CN205365173U - Refrigeration unit suitable for complete electronic refrigeration transport cart - Google Patents
Refrigeration unit suitable for complete electronic refrigeration transport cart Download PDFInfo
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- CN205365173U CN205365173U CN201620071097.XU CN201620071097U CN205365173U CN 205365173 U CN205365173 U CN 205365173U CN 201620071097 U CN201620071097 U CN 201620071097U CN 205365173 U CN205365173 U CN 205365173U
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Abstract
The utility model discloses a refrigeration unit suitable for complete electronic refrigeration transport cart, including high -voltage battery bank, this group battery power output end changes DC power module with DC respectively and power supply of a frequency converter input electricity is connected, the power supply of a frequency converter output is connected with motor supply input electricity, and motor power output shaft links with the compressor drive, and compressor medium export intercommunication has two way pipelines, and first pipeline communicates with each other through ooff valve, condenser, reservoir, drier -filter, sight glass and expansion valve and the import of fridge evaporimeter medium, the second pipeline is linked together with the import of fridge evaporimeter medium through changing white valve, the export of fridge evaporimeter medium is linked together through third pipeline and the import of compressor medium, DC changes the DC power module power output end respectively with condenser, fridge evaporimeter with change white valve power input end electricity and be connected, converter and DC change DC power module power input end and are connected with rectifier module power output end electricity respectively.
Description
Technical field
This utility model relates to refrigerating machine of refrigerated truck group, especially relates to a kind of cold preservation unit suitable in all-electric refrigerating transport vehicle.
Background technology
Refrigerator car is widely used in that frozen food, milk product, vegetable and fruit, vaccine medicine etc. are freezing or the highway transportation of fresh-keeping goods.Vehicle is closed van, has independent refrigeration unit.All reducing energy consumption and reducing atmospheric pollution and adopt new-energy automobile in country and global range at present, particularly electric automobile.The battery capacity that electric automobile configures is to ensure that vehicle travels normally and agree to the greatest extent the reduction power consumption of energy, particularly at night stopping for charging time, if cold preservation unit also uses the power work that on-vehicle battery provides, battery fills while exporting, and the capacity so not only affecting battery also can affect the service life of battery.
Summary of the invention
The cold preservation unit being applicable to all-electric refrigerating transport vehicle that this utility model purpose can use external AC power supplies to work while being in that to provide a kind of normal operation under steam when stopping.
For achieving the above object, this utility model can take following technical proposals:
Cold preservation unit suitable in all-electric refrigerating transport vehicle described in the utility model, including Vehicular direct-current high-tension battery group；The power output end of described Vehicular direct-current high-tension battery group turns the power input of DC power module and converter respectively and electrically connects with DC；The power output end of described converter electrically connects with the power input of motor, the power output shaft of described motor is linked with driven compressor by actuating device, the media outlet of described compressor is communicated with two-way pipeline, and wherein the first pipeline is connected with the medium entrance of refrigerating container evaporator by being sequentially communicated the switch valve of setting, condenser, reservoir, device for drying and filtering, liquid-sighting glass and expansion valve；Second pipe is connected with the medium entrance of described refrigerating container evaporator by connecting the defrost valve arranged；The media outlet of refrigerating container evaporator is connected with the medium entrance of compressor by the 3rd pipeline；Described DC turns the power output end of DC power module and electrically connects with the power input of described condenser, refrigerating container evaporator and defrost valve respectively；Described converter and DC turn the power input of DC power module and electrically connect with the power output end of rectification module respectively.
This utility model advantage is in that to ensure that cold preservation unit can also use external AC power supplies to work when stopping charged while normal operation in transport vehicle driving process, it is ensured that the efficiency of Vehicular charging and the service life of battery.
Accompanying drawing explanation
Fig. 1 is pipeline of the present utility model and electrical connection schematic diagram.
Detailed description of the invention
As it is shown in figure 1, the cold preservation unit suitable in all-electric refrigerating transport vehicle described in the utility model, including Vehicular direct-current high-tension battery group 1；The power output end of described Vehicular direct-current high-tension battery group 1 turns the power input of DC power module 2 and converter 3 respectively and electrically connects with DC；The power output end of described converter 3 electrically connects with the power input of motor 4, the power output shaft of described motor 4 is linked with compressor 5 driving by actuating device, the media outlet of described compressor 5 is communicated with two-way pipeline, and wherein the first pipeline 6 is connected by being sequentially communicated the medium entrance of the switch valve 7 of setting, condenser 8, reservoir 9, device for drying and filtering 10, liquid-sighting glass 11 and expansion valve 12 with refrigerating container evaporator 13；Second pipe 14 is connected with the medium entrance of described refrigerating container evaporator 13 by connecting the defrost valve 15 arranged；The media outlet of refrigerating container evaporator 13 is connected with the medium entrance of compressor 5 by the 3rd pipeline 16；Described DC turns the power output end of DC power module 2 and electrically connects with the power input of described condenser 8, refrigerating container evaporator 13 and defrost valve 15 respectively；Described converter 3 and DC turn the power input of DC power module 2 and electrically connect with the power output end of rectification module 17 respectively.
Driving mode of operation
The power output end of Vehicular direct-current high-tension battery group 1 turns the power input of DC power module 2 and converter 3 respectively and electrically connects with DC, and the alternating current power supply of converter 3 outfan output is supplied to compressor 5 and uses；Another part DC turns DC power module 2 and exports DC24V or DC12V power supply and directly feed the fan 18 of condenser 8, the fan 19 of refrigerating container evaporator 13 and defrost valve 15 electricity consumption.
Parking mode of operation
External AC power supplies is connected with the power input of rectification module 17, and after a rectification module 17 outfan part is connected with converter 3 input, the alternating current power supply of converter 3 outfan output is supplied to compressor 5 and uses；Another part power supply is supplied to after DC turns DC power module 2, and DC turns DC power module 2 and exports DC24V or DC12V power supply and directly feed the fan 18 of condenser 8, the fan 19 of refrigerating container evaporator 13 and defrost valve 15 electricity consumption.
Refrigeration mode
Refrigeration compressor 5 media outlet gases at high pressure out, first pipeline 6 is closed through switch valve 7(now defrost valve 15) by after condenser 8 heat radiation, gas-liquid mixed refrigerant exports drying filter 10 and liquid-sighting glass 11 inlet communication through reservoir 9, described liquid-sighting glass 11 is exported and is connected by the medium entrance of expansion valve 12 with refrigerating container evaporator 13, and refrigerating carriage vaporizer 13 media outlet is connected with the medium entrance of compressor 5 by the 3rd pipeline 16.
Hot gas defrosting pattern
Serious in order to ensure refrigeration refrigerating carriage vaporizer 13 meeting frosting after equipment freezes for a long time, and then cause that refrigeration is deteriorated, at this moment defrosting is needed: compressor 5 media outlet gases at high pressure out, second pipe 14 is connected (now switch valve 7 is closed) through the medium entrance of defrost valve 15 with refrigerating container evaporator 13, and the media outlet of refrigerating carriage vaporizer 13 is connected with the medium entrance of compressor 5 by the 3rd pipeline 16.
Claims (1)
1. it is applicable to a cold preservation unit for all-electric refrigerating transport vehicle, including Vehicular direct-current high-tension battery group (1)；It is characterized in that: the power output end of described Vehicular direct-current high-tension battery group (1) turns the power input of DC power module (2) and converter (3) respectively and electrically connects with DC；The power output end of described converter (3) electrically connects with the power input of motor (4), the power output shaft of described motor (4) is linked with compressor (5) driving by actuating device, the media outlet of described compressor (5) is communicated with two-way pipeline, and wherein the first pipeline (6) is connected by being sequentially communicated the medium entrance of the switch valve (7) of setting, condenser (8), reservoir (9), device for drying and filtering (10), liquid-sighting glass (11) and expansion valve (12) with refrigerating container evaporator (13)；Second pipe (14) is connected with the medium entrance of described refrigerating container evaporator (13) by connecting the defrost valve (15) arranged；The media outlet of refrigerating container evaporator (13) is connected with the medium entrance of compressor (5) by the 3rd pipeline (16)；Described DC turns the power output end of DC power module (2) and electrically connects with the power input of described condenser (8), refrigerating container evaporator (13) and defrost valve (15) respectively；Described converter (3) and DC turn the power input of DC power module (2) and electrically connect with the power output end of rectification module (17) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620071097.XU CN205365173U (en) | 2016-01-26 | 2016-01-26 | Refrigeration unit suitable for complete electronic refrigeration transport cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620071097.XU CN205365173U (en) | 2016-01-26 | 2016-01-26 | Refrigeration unit suitable for complete electronic refrigeration transport cart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205365173U true CN205365173U (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620071097.XU Active CN205365173U (en) | 2016-01-26 | 2016-01-26 | Refrigeration unit suitable for complete electronic refrigeration transport cart |
Country Status (1)
| Country | Link |
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| CN (1) | CN205365173U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763912A (en) * | 2017-11-16 | 2018-03-06 | 浙江盈佳制冷设备有限公司 | A kind of electronic refrigeration unit of constant temperature and humidity |
| CN109539660A (en) * | 2018-12-26 | 2019-03-29 | 荆州市楚泰新能源科技有限公司 | A kind of double power mode pure electric vehicle freezing and refrigeration units |
-
2016
- 2016-01-26 CN CN201620071097.XU patent/CN205365173U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763912A (en) * | 2017-11-16 | 2018-03-06 | 浙江盈佳制冷设备有限公司 | A kind of electronic refrigeration unit of constant temperature and humidity |
| CN109539660A (en) * | 2018-12-26 | 2019-03-29 | 荆州市楚泰新能源科技有限公司 | A kind of double power mode pure electric vehicle freezing and refrigeration units |
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Legal Events
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |