CN116353646A - Locomotive air conditioner leakage protection device and air conditioner control system using same - Google Patents
Locomotive air conditioner leakage protection device and air conditioner control system using same Download PDFInfo
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- CN116353646A CN116353646A CN202310119355.1A CN202310119355A CN116353646A CN 116353646 A CN116353646 A CN 116353646A CN 202310119355 A CN202310119355 A CN 202310119355A CN 116353646 A CN116353646 A CN 116353646A
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- 230000003137 locomotive effect Effects 0.000 title claims abstract description 66
- 230000001012 protector Effects 0.000 claims abstract description 51
- 238000001514 detection method Methods 0.000 claims description 15
- 238000000746 purification Methods 0.000 claims description 15
- 230000001954 sterilising effect Effects 0.000 claims description 15
- 238000005070 sampling Methods 0.000 claims description 12
- 238000004659 sterilization and disinfection Methods 0.000 claims description 12
- 238000004378 air conditioning Methods 0.000 claims description 10
- 230000000249 desinfective effect Effects 0.000 claims description 10
- 238000004887 air purification Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 9
- 238000005057 refrigeration Methods 0.000 claims description 9
- 238000005485 electric heating Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000013598 vector Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
- B61D27/0018—Air-conditioning means, i.e. combining at least two of the following ways of treating or supplying air, namely heating, cooling or ventilating
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/12—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to undesired approach to, or touching of, live parts by living beings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention particularly relates to a locomotive air conditioner leakage protection device and an air conditioner control system applied by the same, the locomotive air conditioner leakage protection device comprises an electric box, one end of the electric box is provided with an input connector, the other end of the electric box is provided with an output connector, a residual current protector is arranged in the electric box and is electrically connected with a circuit breaker, a contact is arranged on the circuit breaker, an operation indicator lamp and a fault indicator lamp which are electrically connected with the residual current protector are also arranged on the electric box, a primary coil of the residual current protector is connected with a locomotive power supply, and a secondary coil of the residual current protector is connected with the leakage protection device in a tripping way.
Description
Technical Field
The invention belongs to devices in the field of air conditioner production, and particularly relates to a locomotive air conditioner leakage protection device and an air conditioner control system applied to the locomotive air conditioner leakage protection device.
Background
At present, the locomotive air conditioner power supply and the locomotive air conditioner set have the problems of long service life and high failure rate. After the locomotive is in the middle and overhauled, because locomotive overhauling rules do not clearly determine the operation requirements of the air conditioning components, most of the locomotive overhauling rules only mainly use cleaning and overhauling and do not update, so that the air conditioning problems are accumulated and aggravated in the summer use period. The problem exposed in the operation process of the locomotive is that the locomotive is broken most seriously due to the fact that the locomotive is jumped and disconnected caused by the grounding of an air conditioner. The main reason for the grounding of the air conditioner through analysis is that the internal circuit is aged, and loads (such as a power supply, a compressor, an evaporation fan and a condensation fan) are not regularly maintained and updated and are used for an overage period. The protection measures are taken for the hidden ground trouble of each load in the air conditioner, the leakage current protector is added on the circuit, the connection between the air conditioner and the power supply is automatically disconnected after the air conditioner is grounded, and the protection of the power supply due to the grounding of the air conditioner during the operation of the locomotive is prevented.
Disclosure of Invention
The invention aims to provide a locomotive air conditioner leakage protection device and a control system applied to the locomotive air conditioner leakage protection device, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides a locomotive air conditioner earth leakage protection device, includes the electrical apparatus box, the one end of electrical apparatus box is equipped with input connector, the other end of electrical apparatus box is equipped with output connector, the inside of electrical apparatus box is equipped with residual current protector, a circuit breaker is connected to residual current protector electricity, be equipped with the contact on the circuit breaker, still be equipped with operation pilot lamp and the fault indication lamp of being connected with residual current protector electricity on the electrical apparatus box, residual current protector's primary coil is connected with locomotive power, residual current protector's secondary coil and earth leakage protection device tripping connection.
Further, the input connector is electrically connected with an original air conditioner power supply input line, and the output connector is connected with an air conditioner power supply x1 interface.
The air conditioner control system applying the locomotive air conditioner leakage protection device comprises a main control board of a central microprocessor locomotive air conditioner control purification system, wherein an input control power port is arranged on the main control board of the central microprocessor locomotive air conditioner control purification system, the input end of the locomotive air conditioner leakage protection device is electrically connected with a locomotive power supply, and the output end of the locomotive air conditioner leakage protection device is electrically connected with the input control power port of the main control board of the central microprocessor locomotive air conditioner control purification system.
Further, the main control board of the locomotive air conditioning control purification system of the central microprocessor also comprises an input and output control port of a condensing fan, an input and output control port of a ventilator, an input and output control port of a compressor, an input and output control port of an electric heater, and an air purification, disinfection and sterilization control port; the condensing fan input and output control ports are electrically connected with the condensing fan after being coupled with the condensing fan control and the current protector, the fan input and output control ports are electrically connected with the ventilator after being coupled with the fan control and the current protector, the compressor input and output control ports are electrically connected with the electric heater after being coupled with the compressor control and the current protector, the electric heater input and output control ports are electrically connected with the electric heater after being coupled with the electric heating control and the temperature protector, and the air purifying, sterilizing and disinfecting control ports are electrically connected with the purifier and the sterilizing and disinfecting equipment after being coupled with the intelligent air purifying, sterilizing and disinfecting control system.
Further, the output end of the locomotive air conditioner leakage protection device is also electrically connected with a condensing fan control and current protector, a ventilator control and current protector, a compressor control and current protector, an electric heating control and temperature protector and an intelligent air purification, disinfection and sterilization control system respectively.
Further, the main control board of the locomotive air conditioning control purification system of the central microprocessor also comprises a wind valve control port, a network communication port, an outdoor temperature AD sampling end, an indoor temperature AD sampling end, a temperature regulation input end, a refrigeration, heating and stopping mode selection input end, a high-voltage protection input end, a low-voltage protection input end and an air detection input end; the air valve control port is electrically connected with the fresh air valve, the network communication port is electrically connected with the man-machine control operation and the interface display screen through network communication, the outdoor temperature AD sampling end is electrically connected with the outdoor temperature detection equipment, the indoor temperature AD sampling end is electrically connected with the indoor temperature detection equipment, the temperature regulation input end is electrically connected with the temperature regulation switch, the refrigeration, heating and stopping mode selection input end is electrically connected with the mode control switch, the high-voltage protection input end is electrically connected with the high-voltage protection switch, the low-voltage protection input end is electrically connected with the low-voltage protection switch, and the air detection input end is electrically connected with the PM10 and PM2.5 mass concentration detection equipment.
Advantageous effects
The leakage protector can protect the air conditioner power supply from being grounded and the air conditioner unit from being grounded caused by load, and the action response time of the device is faster than the main breaking action of a locomotive; the leakage protector is arranged in a circuit of a locomotive power supply and an air conditioner power supply, a primary coil is connected with the locomotive power supply, a secondary coil is connected with a leakage protection device in a tripping way, when the air conditioner power supply and a unit work normally, current in the circuit is in a balanced state, the sum of current vectors in a mutual inductor is zero, no residual current exists in the primary coil, so the secondary coil cannot be induced, a switching device of the leakage protector is in a closed state to operate, an operation indicator lamp is normal, when equipment loads leak electricity to a shell and a human body touch, current is shunted at a fault point, the leakage current passes through the human body, the vehicle body is grounded and returns to a neutral point of the transformer, so that the mutual inductor flows in, unbalance occurs to the current flowing out, the primary coil generates residual current, therefore, when the current value reaches a current value limited by the leakage device, the device is automatically disconnected, the power supply is disconnected, and the fault point is closed after the response time of the device is faster than the main disconnection response time, so the protection is achieved, the fault indicator lamp is on, and the fault point is closed after the fault point is released. The air conditioner control system also has the functions of air conditioner return air, air conditioner refrigeration, air purification, sterilization and disinfection, and is environment-friendly.
Drawings
FIG. 1 is a schematic diagram of an overall structure of a leakage protection device for an air conditioner of a locomotive in an embodiment of the present invention;
FIG. 2 is a schematic diagram of an overall structure of a leakage protection device for an air conditioner of a locomotive according to an embodiment of the present invention;
FIG. 3 is an internal wiring diagram of a locomotive air conditioner leakage protection device in accordance with an embodiment of the present invention;
FIG. 4 is a system connection block diagram of a locomotive air conditioning air purification system in an embodiment of the present invention;
FIG. 5 is a block diagram of a hollow modulator control system according to an embodiment of the present invention.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The utility model provides a locomotive air conditioner earth leakage protection device, as shown in fig. 1-2, including electrical apparatus box A, electrical apparatus box A's one end is equipped with input connector a, electrical apparatus box A's the other end is equipped with output connector g, electrical apparatus box A's inside is equipped with residual current protector c, theThe residual current protector c is electrically connected with a circuit breaker d, a contact e is arranged on the circuit breaker d, an operation indicator lamp b and a fault indicator lamp f which are electrically connected with the residual current protector c are also arranged on the electrical box A, a primary coil of the residual current protector c is connected with a locomotive power supply, and a secondary coil of the residual current protector c is connected with a leakage protection device in a tripping way. In an embodiment, an external dimension (length, width, height) of a leakage protection device for an air conditioner of a locomotive is: 270mm by 130mm by 70mm; brand of electrical connector: avionics, 4-core, main circuit wire diameter 10mm 2 The method comprises the steps of carrying out a first treatment on the surface of the Control Circuit wire diameter 1.5mm 2 The method comprises the steps of carrying out a first treatment on the surface of the Rated voltage: AC220V; leakage protection value: 30mA; overload protection current: 63A; the leakage protector provided by the application can play a role in protecting the grounding caused by the grounding of an air conditioner power supply and the load of an air conditioner unit, and the action response time of the device is faster than that of the main breaking action of a locomotive. The leakage protector is installed in the circuit of locomotive power supply and air conditioner power supply, its circuit schematic diagram is shown in figure 3, primary coil is connected with locomotive power supply, secondary coil is connected with leakage protector tripping connection, when air conditioner power supply and machine set normally work, the current in the circuit is in balance state, the sum of current vectors in mutual inductor is zero, because there is no residual current in primary coil, so secondary coil can not be induced, the switching device of leakage protector is in closed state operation, operation indicator lamp b is normal, when equipment load is leaked to the shell and has human touch, then shunt is produced at fault point, this leakage current is passed through human body, car body working ground, return transformer neutral point, so that transformer inflow has occurred, primary coil is producing residual current, therefore, secondary coil can be induced, when this current value reaches the current value limited by leakage device, automatic disconnection device cuts off power supply, because the response time of device is faster than main off response time, so that protection is achieved, fault indicator lamp f is on, after the fault point is released, leakage device can only be closed.
In the embodiment, the locomotive air conditioner leakage protection device is applied to an air conditioner control system and can be installed according to the use habit of a customer. Because the leakage protection device is independent of the air conditioner power supply and the air conditioner unit, is not limited by the internal installation size, is suggested to be installed on the lower side of the cab operation table, and is convenient to observe, maintain and use through the combination screw fixation of 4M 5 times 10.
As shown in fig. 4, an embodiment of a locomotive air conditioning air purification system, size specification: 1800 (L) 1000 (W) 1600 (H); the device comprises a compressor 1, a condenser 34, a dry filter 2, an evaporator 4 and an oil-liquid separator 14 which are connected into a circulation loop through a pipeline 13, wherein the compressor 1 is a totally-enclosed scroll compressor, an exhaust port 12 of the compressor 1 is connected with an air inlet of the condenser 34, an air outlet of the condenser 34 is connected with the air inlet of the evaporator 4 through the dry filter 2 and a capillary tube 31 in sequence, and a refrigeration electromagnetic valve 33 is arranged between the dry filter 2 and the capillary tube 31; the refrigerating capacity of the condenser 34 is more than or equal to 62.5KW, a ventilator 5 is arranged on the outer side of the condenser 34, the cold ventilator 5 is an axial flow fan, the condensation air quantity is more than or equal to 15000m3/h, the cooling air quantity is more than or equal to 5000m3/h, and the wind pressure is as follows: 800Pa, wind speed: 11-17 m/s, the air outlet of the evaporator 4 is connected with the air suction port 11 of the compressor 1, the air outlet of the evaporator 4 is provided with a return air pipe 41, and a purifying device 42 and a return air fan 43 are respectively arranged in the return air pipe 41; a ventilator 5 is provided outside the evaporator 4.
As shown in fig. 5, the air conditioner control system applying the locomotive air conditioner leakage protection device comprises a main control board of a central microprocessor locomotive air conditioner control purification system, wherein an input control power port is arranged on the main control board of the central microprocessor locomotive air conditioner control purification system, the input end of the locomotive air conditioner leakage protection device is electrically connected with a locomotive power supply, and the output end is electrically connected with the input control power port of the main control board of the central microprocessor locomotive air conditioner control purification system. The main control board of the locomotive air conditioning control purification system of the central microprocessor also comprises an input and output control port of a condensing fan, an input and output control port of a ventilator, an input and output control port of a compressor, an input and output control port of an electric heater, and an air purification, disinfection and sterilization control port; the condensing fan input and output control ports are electrically connected with the condensing fan after being coupled with the condensing fan control and the current protector, the fan input and output control ports are electrically connected with the ventilator after being coupled with the fan control and the current protector, the compressor input and output control ports are electrically connected with the electric heater after being coupled with the compressor control and the current protector, the electric heater input and output control ports are electrically connected with the electric heater after being coupled with the electric heating control and the temperature protector, and the air purifying, sterilizing and disinfecting control ports are electrically connected with the purifier and the sterilizing and disinfecting equipment after being coupled with the intelligent air purifying, sterilizing and disinfecting control system. The output end of the locomotive air conditioner leakage protection device is also electrically connected with a condensing fan control and current protector, a ventilator control and current protector, a compressor control and current protector, an electric heating control and temperature protector and an intelligent air purification, disinfection and sterilization control system respectively. The main control board of the locomotive air conditioning control purification system of the central microprocessor also comprises an air valve control port, a network communication port, an outdoor temperature AD sampling end, an indoor temperature AD sampling end, a temperature regulation input end, a refrigeration, heating and stopping mode selection input end, a high-voltage protection input end, a low-voltage protection input end and an air detection input end; the air valve control port is electrically connected with the fresh air valve, the network communication port is electrically connected with the man-machine control operation and the interface display screen through network communication, the outdoor temperature AD sampling end is electrically connected with the outdoor temperature detection equipment, the indoor temperature AD sampling end is electrically connected with the indoor temperature detection equipment, the temperature regulation input end is electrically connected with the temperature regulation switch, the refrigeration, heating and stopping mode selection input end is electrically connected with the mode control switch, the high-voltage protection input end is electrically connected with the high-voltage protection switch, the low-voltage protection input end is electrically connected with the low-voltage protection switch, and the air detection input end is electrically connected with the PM10 and PM2.5 mass concentration detection equipment.
The air conditioner control system also has the functions of air conditioner return air, air conditioner refrigeration, air purification, sterilization and disinfection, and is environment-friendly.
Claims (6)
1. The utility model provides a locomotive air conditioner earth leakage protection device, its characterized in that, includes the electrical apparatus box, the one end of electrical apparatus box is equipped with input connector, the other end of electrical apparatus box is equipped with output connector, the inside of electrical apparatus box is equipped with residual current protector, a circuit breaker is connected to residual current protector electricity, be equipped with the contact on the circuit breaker, still be equipped with operation pilot lamp and the fault indication lamp that are connected with residual current protector electricity on the electrical apparatus box, residual current protector's primary coil is connected with locomotive power, residual current protector's secondary coil is connected with earth leakage protection device tripping.
2. The leakage protection device for locomotive air conditioner according to claim 1, wherein the input connector is electrically connected with an original air conditioner power supply input line, and the output connector is connected with an air conditioner power supply x1 interface.
3. An air conditioner control system using the locomotive air conditioner leakage protection device according to claims 1-2 is characterized by comprising a main control board of a central microprocessor locomotive air conditioner control purification system, wherein an input control power port is arranged on the main control board of the central microprocessor locomotive air conditioner control purification system, the input end of the locomotive air conditioner leakage protection device is electrically connected with a locomotive power supply, and the output end is electrically connected with the input control power port of the main control board of the central microprocessor locomotive air conditioner control purification system.
4. The air conditioning control system according to claim 3, wherein the central microprocessor locomotive air conditioning control purification system main control board further comprises condensing fan input and output control ports, ventilator input and output control ports, compressor input and output control ports, electric heater input and output control ports, air purification, disinfection and sterilization control ports; the condensing fan input and output control ports are electrically connected with the condensing fan after being coupled with the condensing fan control and the current protector, the fan input and output control ports are electrically connected with the ventilator after being coupled with the fan control and the current protector, the compressor input and output control ports are electrically connected with the electric heater after being coupled with the compressor control and the current protector, the electric heater input and output control ports are electrically connected with the electric heater after being coupled with the electric heating control and the temperature protector, and the air purifying, sterilizing and disinfecting control ports are electrically connected with the purifier and the sterilizing and disinfecting equipment after being coupled with the intelligent air purifying, sterilizing and disinfecting control system.
5. The air conditioner control system of claim 4, wherein the output end of the locomotive air conditioner leakage protection device is further electrically connected with a condensing fan control and current protector, a ventilator control and current protector, a compressor control and current protector, an electric heating control and temperature protector, and an intelligent air purifying, disinfecting and sterilizing control system respectively.
6. The air conditioner control system according to claim 5, wherein the central microprocessor locomotive air conditioner control purification system main control board further comprises a damper control port, a network communication port, an outdoor temperature AD sampling end, an indoor temperature AD sampling end, a temperature regulation input end, a refrigeration, heating and stopping mode selection input end, a high-voltage protection input end, a low-voltage protection input end and an air detection input end; the air valve control port is electrically connected with the fresh air valve, the network communication port is electrically connected with the man-machine control operation and the interface display screen through network communication, the outdoor temperature AD sampling end is electrically connected with the outdoor temperature detection equipment, the indoor temperature AD sampling end is electrically connected with the indoor temperature detection equipment, the temperature regulation input end is electrically connected with the temperature regulation switch, the refrigeration, heating and stopping mode selection input end is electrically connected with the mode control switch, the high-voltage protection input end is electrically connected with the high-voltage protection switch, the low-voltage protection input end is electrically connected with the low-voltage protection switch, and the air detection input end is electrically connected with the PM10 and PM2.5 mass concentration detection equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310119355.1A CN116353646A (en) | 2023-02-15 | 2023-02-15 | Locomotive air conditioner leakage protection device and air conditioner control system using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310119355.1A CN116353646A (en) | 2023-02-15 | 2023-02-15 | Locomotive air conditioner leakage protection device and air conditioner control system using same |
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| CN116353646A true CN116353646A (en) | 2023-06-30 |
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| CN202310119355.1A Pending CN116353646A (en) | 2023-02-15 | 2023-02-15 | Locomotive air conditioner leakage protection device and air conditioner control system using same |
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| CN206397652U (en) * | 2017-01-04 | 2017-08-11 | 云南蓝天重工有限公司 | A kind of wind-power electricity generation high-cooling property control rack |
| KR20190057883A (en) * | 2017-11-21 | 2019-05-29 | 현대자동차주식회사 | Junction Block |
| CN107910232A (en) * | 2017-12-18 | 2018-04-13 | 淄博职业学院 | A kind of Intelligent leakage protection switch |
| CN110745155A (en) * | 2019-12-10 | 2020-02-04 | 株洲桓基电气股份有限公司 | Locomotive air conditioner control system |
| CN211308570U (en) * | 2019-12-10 | 2020-08-21 | 株洲桓基电气股份有限公司 | Locomotive air conditioner control system |
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