Home appliance repairman.

1.2 occupation definition

Personnel who use megohmmeter, multimeter, oscilloscope and other electrical instruments and use corresponding tools, fixtures, measuring instruments and maintenance equipment to maintain, repair and debug household appliances such as household refrigeration appliances, household air-conditioning appliances, household electric heating appliances and household appliances.

1.3 professional level

There are five levels of this profession, namely: primary (national vocational qualification level 5), intermediate (national vocational qualification level 4), advanced (national vocational qualification level 3), technician (national vocational qualification level 2) and senior technician (national vocational qualification level 1).

1.4 occupational environment

Indoor, normal temperature.

1.5 Characteristics of professional ability

Have certain observation, judgment, reasoning and learning ability; Fingers and arms are flexible and coordinated.

1.6 basic education level

Graduated from high school (or equivalent).

1.7 training requirements

1.7. 1 training period

Full-time vocational school education is determined according to its training objectives and teaching plan. Promotion training period: junior students should not be less than 150 standard class hours; The intermediate class is not less than 300 standard hours; Advanced not less than 150 standard hours; Technicians shall not be less than 150 standard hours; Senior technician shall not be less than 150 standard hours.

1.7.2 Training teachers

Teachers who train primary home appliance maintenance workers shall have professional qualification certificates at or above the senior level or professional technical post qualifications at or above the intermediate level in related majors. Teachers who train middle-and senior-level maintenance workers of household appliances shall have the professional qualification certificate of technician or above or the professional technical post qualification of intermediate-level or above in related majors; Teachers who train home appliance maintenance technicians should have the professional qualification certificate of senior technicians in this major or the qualifications for senior professional and technical positions in related majors; Teachers who train senior technicians of household appliances maintenance workers shall have the professional qualification certificate of senior technicians of this major for more than 2 years or the qualifications for senior professional and technical positions in related majors.

1.7.3 training ground equipment

Standard teachers who meet the teaching needs and practice places equipped with necessary instruments and tools for testing and maintaining household appliances.

1.8 identification requirements

1.8. 1 applicable object

A person who is engaged in or ready to engage in this profession.

1.8.2 reporting conditions

-Main (one of the following conditions)

(1) has reached the required standard hours of formal primary training in this profession and obtained the certificate of completion.

(2) Engaged in this vocational training for more than 2 years.

(3) The professional apprenticeship expires.

-Intermediate (one of the following conditions)

(1) After obtaining the primary vocational qualification certificate of this occupation, he has been engaged in this occupation for more than 3 years continuously, and has reached the required standard hours after the formal training of this occupation intermediate, and obtained the certificate of completion.

(2) Having worked in this occupation for more than 5 years after obtaining the primary vocational qualification certificate of this occupation.

(3) have been engaged in this occupation for more than 7 years.

(4) Obtain the vocational (professional) graduation certificate of the secondary vocational school with intermediate skills as the training goal, which is recognized by the administrative department of human resources and social security.

-Advanced (one of the following conditions)

(1) After obtaining the intermediate vocational qualification certificate of this occupation, he has been engaged in this occupation for more than 4 years continuously, and has reached the required standard hours after the advanced formal training of this occupation, and has obtained the certificate of completion.

(2) Having been engaged in this occupation for more than 6 years continuously after obtaining the intermediate vocational qualification certificate of this occupation.

(3) Obtaining the graduation certificate of this occupation (major) from a senior technical school or higher vocational school with the training goal of advanced skills, which is recognized by the administrative department of human resources and social security.

(4) graduates of this major or related majors have obtained the intermediate vocational qualification certificate of this occupation and have been engaged in this occupation for more than 2 years.

-Technician (one of the following conditions)

(1) After obtaining the senior professional qualification certificate of this major, he has been engaged in this major for more than 5 years continuously, and has been trained by this professional technician to reach the required standard hours, and has obtained the certificate of completion.

(2) Having been engaged in this occupation for more than 7 years continuously after obtaining the senior vocational qualification certificate of this occupation.

(3) Graduates of this major (specialty) and graduates of this major or related majors from senior technical schools who have obtained the vocational senior vocational qualification certificate have been engaged in this occupation for more than 2 years.

-Senior technician (meeting one of the following conditions)

(1) After obtaining the professional qualification certificate of the professional technician, he has been engaged in the professional work for more than 3 years continuously, and has been trained by the professional senior technician to reach the required standard hours, and has obtained the certificate of completion.

(2) After obtaining the professional qualification certificate of this professional technician, he has been engaged in this professional work for more than 5 years.

1.8.3 identification method

It is divided into theoretical knowledge test and skill operation test. The theoretical knowledge test adopts the closed-book written test method, and the skill operation test adopts the on-site practical operation method. Both the theoretical knowledge test and the skill operation test adopt a percentage system, and more than 60 points are qualified. Technicians and senior technicians must pass the comprehensive evaluation.

1.8.4 ratio of examiners to candidates

The ratio of examiners to candidates in the theoretical knowledge examination is 1: 15, and there are not less than 2 examiners in each standard classroom; In the skill operation examination, the ratio of examiners to candidates is 1: (3 ~ 5), with no less than 3 examiners; The members of the comprehensive review committee shall not be less than 5.

1.8.5 evaluation time

Theoretical knowledge examination time is not less than 90min；; The skill operation assessment shall be no less than 90 minutes, and the comprehensive assessment time shall be no less than 20 minutes.

1.8.6 Identification of field equipment

The theoretical knowledge test is conducted in standard classrooms, and the skill operation test is conducted in places with necessary equipment, tools, measuring tools and instruments. Equipment requirements can meet 1 set of samples (machines) to be repaired and corresponding maintenance equipment and instruments.

2. Basic requirements

2. 1 professional ethics

2. 1. 1 Basic knowledge of professional ethics

2. 1.2 professional code

(1) Abide by laws, regulations and relevant regulations.

(2) Love their jobs, be loyal to their duties and earnestly perform their duties.

(3) Be serious and responsible, be strict with yourself and work hard.

(4) study hard, delve into business, and strive to improve ideological, scientific and cultural quality.

(5) Modesty and prudence, unity and cooperation, and cooperation between the main associations.

2.2 Basic knowledge

2.2. 1 Basic knowledge of electrical and electronic engineering

(1) Basic knowledge of electricity.

(2) Basic knowledge of circuit.

(3) Basic knowledge of electronic circuits.

(4) Knowledge of electromagnetic induction and alternating current and direct current.

(5) Knowledge of analog circuits and digital circuits.

2.2.2 Basic knowledge of microcomputer and network communication

(1) Basic knowledge of signal transmission.

(2) Single chip microcomputer and microcomputer foundation.

2.2.3 Knowledge of electrical safety regulations, safe operation and environmental protection.

(1) Safety operation procedures for electrical fault diagnosis and elimination.

(2) fire prevention and antifreeze knowledge.

(3) Environmental protection knowledge of refrigerant discharge.

(4) First aid knowledge.

2.2.4 Basic knowledge of thermal engineering

Fundamentals of engineering thermodynamics (1).

(2) Heat transfer basis.

(3) Fluid mechanics and pumps and fans.

2.2.5 Basic knowledge of mechanical manufacturing and design

(1) Basic learning of metal materials.

(2) Mechanical principle and mechanical parts foundation.

(3) Basis of mechanical drawing.

2.2.6 Knowledge of relevant laws and regulations

(1) Related knowledge of People's Republic of China (PRC) Labor Contract Law.

(2) Relevant knowledge of People's Republic of China (PRC) Environmental Protection Law.

(3) Relevant knowledge of People's Republic of China (PRC) Consumer Protection Law.

Supplementary answer:

3. Job requirements

The skill requirements of this standard for junior, intermediate, senior, technician and senior technician are progressive in turn, and the senior covers the lower requirements.

3. 1 primary

Professional function

operating duty

Skill requirements

relevant knowledge

I. Maintenance of domestic refrigeration equipment

(1) Receiving customers

1. can record the customer's information about household appliances that need maintenance.

2. Be able to record the customer's detailed address and agree on the maintenance time.

3. Be able to introduce maintenance and maintenance policies to customers.

1. Working principle of household appliances

2. Model representation of household appliances

3. Household appliances repair and maintenance policy

4. Basic procedures for receiving customers

(2) Electrical system maintenance

It can set parameters for the microprocessor of household refrigeration equipment.

Microprocessor setting knowledge

(3) Maintenance of refrigeration system

1. It can clean the dirt on the inner and outer surfaces of the evaporator.

2. It can clean the dirt on the inner and outer surfaces of the condenser.

3. It can handle the ventilation and heat dissipation of products.

4. The evaporator can be defrosted.

1. Principle of household refrigeration equipment

2. Structure and characteristics of evaporator

3. Structure and characteristics of condenser

4. Clean the dirt on the inner and outer surfaces of the evaporator.

5. Methods and precautions for defrosting operation of evaporator

6. Clean the dirt on the inner and outer surfaces of the condenser.

7. Solutions to product ventilation and heat dissipation problems

(iv) Maintenance of other projects

1. refrigeration appliances can be dredged and drained.

2. The gap between the sealing strip and the door of household refrigeration equipment can be adjusted.

3. It can repair the cracking problem of plastic inner container of refrigerator and the cracking problem of plastic stopper and cabinet mouth of freezer.

4. It can clean the dirt in the household refrigeration appliances box.

5. It can get rid of the odor in the refrigerator.

1. Knowledge of plastics and their adhesives

2. Knowledge of detergents and deodorants

3. The operation method of household refrigeration appliances to dredge drainage

4. Repair methods for cracking of plastic inner container of refrigerator and cracking of plastic stopper and cabinet mouth of freezer.

5. Cleaning method of household refrigeration appliances box dirt

6. The refrigerator odor removing method

(5) Maintenance preparation

1. You can check whether each gear of the multimeter meets the use requirements.

2. You can check whether the range and sensitivity of the ammeter meet the use requirements.

3. You can check whether the megger meets the use requirements.

4. You can check whether the thermometer display is accurate.

5. Be able to prepare maintenance consumables for the corresponding products.

6. Can check the pressure gauge valve and conform to the pressure gauge valve.

1. Use of multimeter

2. The use of watt-hour meter, ammeter and clamp ammeter

3. How to use a megohmmeter

4. How to use a thermometer

5. Calibration method of pressure gauge valve and compound pressure gauge valve

(6) Electrical system maintenance

1. You can check the safety of power sockets, air switches and leakage protectors in refrigeration appliances.

2. Be able to check and replace the electric heating elements of household refrigeration appliances.

3. Be able to check and replace the lighting and indicator lights of household refrigeration appliances.

4. Be able to check and replace the door switch and control switch of household refrigeration appliances.

5. The evaporation fan in refrigeration appliances can be tested and replaced.

6. The defrosting temperature protector, temperature fuse and thermistor of household refrigeration appliances can be detected and replaced.

7. You can check whether the solenoid valve coil is damaged.

8. The solenoid valve coil can be replaced.

1. Symbol recognition of basic electrical appliances

2. Knowledge of power socket, air switch and leakage protector

3. Understand the starting relay, thermal relay and thermostat.

4. Performance characteristics of various temperature control components

5. Common sense of electrical safety performance

6. Operating requirements of evaporation fan for household refrigeration equipment

7. Installation requirements of lighting and indicator lamps for household refrigeration equipment

8. Installation requirements for door switch and control switch of household refrigeration equipment

9. Electromagnetic coil knowledge

(7) Maintenance of refrigeration system

1. Can repair the evaporator in refrigeration appliances.

2. Can repair the condenser in refrigeration appliances.

Operation knowledge of household refrigeration equipment refrigeration system

(8) Delivery for use

1. Explain the maintenance of home refrigeration appliances.

2. You can fill in the maintenance cost of household refrigeration equipment.

3. Be able to explain the precautions and correct use of household refrigeration appliances.

1. Knowledge of household refrigeration equipment maintenance cost accounting

2. Correct use of household refrigeration appliances.

Second, the maintenance of household air conditioners

(1) Electrical system maintenance

Can remove rust and polish electrical contacts and contacts.

Contact arc formation knowledge

(2) Maintenance of refrigeration system

1. It can clean the dirt on the outer surface of condenser and evaporator of household air conditioner.

2. The motor and transmission device can be supplemented with lubricating oil.

3. The insulation layer of household air-conditioning pipeline can be repaired.

1. Principles of household air conditioning

2. Classification, cleaning methods and precautions of condensers and evaporators of household air conditioners.

Method for adding lubricating oil to motor and transmission device of household air conditioner

4. Repair method of insulation layer of household air conditioning pipeline

(iii) Maintenance of other projects

1. It can dredge the condensate drain pipe and fresh air pipe of household air conditioner.

2. You can clean the water tray of the household air conditioner.

3. The filter screen can be disassembled and cleaned.

1. Common sense of condensate drain pipe and fresh air pipe of household air conditioner

2. Cleaning and dredging methods of condensate drain pipe and new air duct of household air conditioner.

3. Method of disassembling and cleaning the filter screen

(4) Maintenance preparation

1. You can check whether the specifications and performance of the tube expander required for household air conditioners meet the requirements.

2. Check whether the performance of the seat belt meets the requirements.

1. The principle of the tube expander

2. Common sense of seat belt use

(5) Electrical system maintenance

1. You can check the status of the connecting wires and terminals of the home air conditioner.

2. The power fuse can be checked and replaced.

1. Matters needing attention in electrical wiring

2. Power fuse inspection method

3. Power fuse replacement method

(6) Maintenance of refrigeration system

1. Can install air conditioning.

2. Be able to check the cold and hot operation of the indoor unit of the household air conditioning refrigeration system.

3. Be able to check the cold and hot operation of the outdoor unit of the household air conditioning refrigeration system.

1. Methods and precautions for installing air conditioners

2. Classification, structure, principle and characteristics of refrigeration compressors, condensers and evaporators of household air conditioners.

3. Normal operation parameters of household air conditioner

(7) Delivery for use

1. can explain the maintenance and repair of household air conditioners.

2. You can fill in the maintenance and repair costs of household air conditioners.

3. Be able to explain the correct use and precautions of household air conditioners.

4. Explain the warranty period of home air conditioner.

1. Maintenance instructions for household air conditioners

2. Calculation method of maintenance cost of household air conditioner

3. The correct use of household air conditioners and precautions.

Third, the maintenance of household electric appliances

(1) Electrical system maintenance

1. The terminals of household electric heating appliances can be fastened.

2. Can debug and run the microprocessor controller of the maintained household electric heating appliance.

Debugging and operating program of microcomputer controller for household electric heating appliances

(2) Maintenance of mechanical parts

1. It can clean the dirt on the surface of household electric heating appliances.

2. Lubricating oil can be added to the running part of household electric heating appliances.

1. Common sense of grease

2. Cleaning method of dirt on the surface of household electric heating appliances

3. Method of adding lubricating oil to the running parts of household electric heating appliances

(3) Maintenance preparation

1. Socket wrench ready to repair household electric heating appliances.

2. Be able to prepare other special tools needed for the maintenance of household electric heating appliances.

1. Common knowledge of using various disassembly and maintenance tools.

2. Common sense of safety performance of household electric heating appliances

(4) Electrical system maintenance

1. Can check and replace the temperature control elements and over-temperature protection elements of household appliances.

2. Be able to check and replace the safety switch of household appliances.

1. Product structure and performance knowledge of household electric heating appliances

2. Knowledge of electric heating tubes, electric heating belts, electric heating plates, electric heating films and electric heating wires.

3. Understand the mechanical, electrical and electronic time controllers.

4. Performance characteristics of temperature control elements

5. Knowledge of safety switch of household electric heating appliances

(5) Mechanical system maintenance

1. Can check and replace the bearings and bearing housings of household appliances.

2. Be able to check and replace the vibration damping parts of household appliances.

1. Working principle of bearings and bearing housings for household appliances

2. The working principle of damping parts and balancing parts of household appliances.

(6) Maintenance of other special parts

You can check and replace the water valve of household electric heating appliances.

Types and working principle of water valve for household electric heating appliances

(7) Delivery for use

1. can explain the situation of household electric heating appliances after maintenance.

2. You can fill in the maintenance cost of household electric heating appliances.

3. Be able to explain the precautions and methods of using household electric heating appliances.

1. Knowledge of maintenance cost accounting of household electric heating appliances

2. The meaning of various identification symbols on household electric heating appliances.

Supplementary answer:

3.2 Intermediate level

Professional function

operating duty

Skill requirements

relevant knowledge

I. Maintenance of domestic refrigeration equipment

(1) Maintenance preparation

1. Can check whether the vacuum pump and vacuum gauge valve meet the use requirements.

2. Can check whether the sensitivity of the leak detector meets the use requirements.

3. Can check whether the system flushing equipment meets the use requirements.

4. Can check whether the status of manual pipe cutter and pipe bender meets the use requirements.

5. Can check whether the pipe caliper and sealing pliers meet the use requirements.

6. Can check whether the gas welding equipment meets the requirements.

7. Can check whether the safety accessories of welding equipment are complete.

8. Can check whether the cylinder meets the requirements.

9. The quantitative liquid supplier can be calibrated.

10. Adjustable electronic scale.

1. Use and requirements of vacuum pump

2. The use method and requirements of leak detector leak lamp

3. Use and requirements of system flushing equipment

4. The use method and requirements of manual pipe cutter

5. Use and requirements of pipe tongs and sealing tongs

6. Use and requirements of gas welding, covered electrode and flux.

7. Common sense of safe use and operation mode of welding instruments

8. Specification for safe use of steel cylinders

9. How to use the quantitative liquid feeder?

10. Common sense of using electronic scales

(2) Electrical system maintenance

1. Can repair the AC power supply circuit in refrigeration appliances.

2. Be able to read the electrical wiring diagram

3. Be able to check the PTC start relay, overheat and overload protector and thermostat of refrigeration appliances.

4. Can repair the starting capacitor and running capacitor.

5. The resistance value and insulation value of the compressor coil can be detected.

6. Can maintain the heavy hammer starter and compound starter.

7. Can repair the defrosting timer

1. Circuit principle of household refrigeration appliances AC power supply.

2. Understand the electrical wiring diagram of household refrigeration equipment.

3. Types, inspection and replacement methods of PTC starting relays, overheating and overload protectors and thermostats in refrigeration appliances.

4. Types, inspection and replacement methods of starting capacitors and working capacitors of household refrigeration equipment.

5. Types, inspection and replacement methods of defrosting timers for household refrigeration equipment

(3) Maintenance of refrigeration system

1. Be able to conduct sewage discharge and air tightness test operation on household refrigeration appliances.

2. Refrigerant can be filled

3. The lubricating oil can be replaced.

4. It can handle common faults such as no refrigeration or blocked refrigeration system in refrigeration appliances.

1. Refrigerant knowledge

2. Safety precautions for refrigerator operation

3. Operating methods and requirements for blowdown and air tightness test of household refrigeration appliances

4. Operating methods and requirements for filling refrigerant and lubricating oil into household refrigeration equipment.

5. The characteristics, analysis and solutions of common faults such as non-refrigeration of household refrigeration appliances or blockage of refrigeration system.

(4) Delivery for use

1. Can explain the maintenance of home refrigeration appliances.

2. You can fill in the maintenance fee of household refrigeration equipment.

3. Can explain the warranty period of home refrigeration appliances.

1. Knowledge of household refrigeration appliances maintenance cost accounting.

2. The meaning of various identification symbols on household refrigeration equipment.

3. The use of household refrigeration appliances and matters needing attention

Second, the maintenance of household air conditioners

(1) Maintenance preparation

1. Can read the wiring diagram of household air conditioner.

2. Be able to wire the power supply for household air conditioners.

3. It can calibrate the precision and range of dry and wet bulb thermometer, impeller anemometer and hot bulb anemometer required by household air conditioner.

4. Be able to check the tightness and action of quick connectors and light pipe joints required by household air conditioners.

1. Knowledge of recognition and use of basic graphic symbols commonly used by air-conditioning electrical appliances and electricians at home and abroad.

2. Selection principles and precautions of conductor and cable section of household air conditioning equipment

3. Wiring diagram of household air conditioner

4. The principle and usage of dry and wet bulb thermometer, impeller anemometer and hot bulb anemometer.

5. The principle and use of quick connector and light connector.

(2) Electrical system maintenance

1. You can check the capacitance, thermal relay, pressure controller and temperature controller of the electric control system of household air conditioner.

2. Capacitors, thermal relays, high and low voltage relays and thermostats of the household air conditioning electronic control system can be replaced.

3. It can deal with common circuit faults such as failure to start and frequent start and stop of household air conditioners.

1. Types, inspection and replacement methods of capacitors, thermal relays, pressure controllers and thermostats in electronic control system of household air conditioners.

2. Analysis and maintenance methods of common circuit faults such as failure to start and frequent start and stop of household air conditioners.

(3) Maintenance of refrigeration system

1. It can carry out sewage discharge and air tightness test operation on household air conditioning refrigeration system.

2. You can charge refrigerant to the household air conditioner.

3. Household air conditioners can be replaced with lubricating oil.

4. You can check whether the action of the four-way reversing valve of the household air conditioner meets the requirements.

5. Can handle common faults such as no cooling and no heating of household air conditioners.

1. Operating methods and requirements for blowdown and air tightness test of household air conditioners.

2. Operating methods and requirements for filling refrigerant and lubricating oil into household air conditioners.

3. Analysis and maintenance methods of common faults such as non-cooling and non-heating of household air conditioners.

(4) Delivery for use

1. can explain the maintenance of household air conditioners.

2. You can fill in the cost of maintenance of household air-conditioning equipment.

3. Be able to explain the usage and precautions of household air conditioners.

4. Can explain the warranty period of the household air conditioner after maintenance.

1. Contents, steps and precautions of maintenance instructions for household air conditioners.

2. Calculation method of various expenses for household air conditioning maintenance.

3. Use and precautions of household air conditioner after maintenance

Third, the maintenance of household electric appliances

(1) Maintenance preparation

1. Be able to prepare the accessories needed for the maintenance of household electric heating appliances.

2. Will prepare tools needed for the maintenance of household electric heating appliances.

Classification and characteristics of common accessories and consumables needed for household electric appliances maintenance

(2) Electrical system maintenance

1. Can check and replace the electric heating elements of household electric heating appliances.

2. Be able to check and replace the microswitch of household electric heating appliances.

3. Can check and replace the water pump of household electric heating appliances.

4. Can check and replace the electrolytic device of household electric heating appliances.

5. The timer of household electric heating appliances can be checked and replaced.

6. Be able to repair various types of special motors.

7. The electromagnetic coil, high-voltage diode and high-voltage capacitor of the induction cooker can be checked and replaced.

8. Be able to check and replace the power equipment of the microwave oven.

9. Be able to check and replace the inductance components of household electric heating appliances.

1. Types, inspection and replacement methods of electric heating elements of household electric heating appliances

2. Types, inspection and replacement methods of microswitches for household electric heating appliances.

3. Types, inspection and replacement methods of water pumps for household electric heating appliances

4. Types, inspection and replacement methods of electrolytic devices for household electric heating appliances

5. Types, inspection and replacement methods of timers for household electric heating appliances

6. Types, inspection and replacement methods of various special motors

7. Inspection and replacement methods of electromagnetic coil, high-voltage diode and high-voltage capacitor of induction cooker

8. Types, inspection and replacement methods of microwave oven power devices

9. Types, inspection and replacement methods of inductive elements of household electric heating appliances

(3) Maintenance of mechanical parts

1. You can check and replace the seals of household electric heating appliances.

2. It can repair the mechanical failure of visible parts such as moving parts and transmission system of household electric heating appliances.

1. Types and characteristics of seals for household electric heating appliances

2. Classification and maintenance methods of mechanical failures of visible parts such as moving parts and transmission systems of household electric heating appliances.

(4) Delivery for use

1. can explain the maintenance of household electric heating appliances.

2. Can explain the warranty period for the maintenance of household electric heating appliances.

1. Accounting knowledge of maintenance cost of household electric heating appliances

2. The meaning of various identification symbols on household electric heating appliances.

3. The use of household electric appliances and matters needing attention