CN214492467U - Electric motor coach air conditioner with waste heat recovery system - Google Patents
Electric motor coach air conditioner with waste heat recovery system Download PDFInfo
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- CN214492467U CN214492467U CN202120613860.8U CN202120613860U CN214492467U CN 214492467 U CN214492467 U CN 214492467U CN 202120613860 U CN202120613860 U CN 202120613860U CN 214492467 U CN214492467 U CN 214492467U
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Abstract
The utility model provides an electric motor coach air conditioner with a waste heat recovery system, which comprises an air conditioner shell and a waste heat recovery module, wherein a first evaporator, a second evaporator, an evaporation fan, a PTC heater condenser and a condensation fan are respectively arranged in the air conditioner shell; the waste heat recovery module comprises a water pump, a motor, a first heat exchange pipeline, a second heat exchange pipeline and a plate heat exchanger; the condenser is communicated with an electronic expansion valve which is respectively communicated with the first evaporator and the second evaporator through two condenser pipelines; a four-way reversing valve is arranged on one path of condenser pipeline and communicated with a compression loop, and a first electromagnetic valve, a gas-liquid separator, a compressor and an oil separator are respectively arranged on the compression loop; two ends of the second heat exchange pipeline are respectively connected to two ends of the first electromagnetic valve, and the second heat exchange pipeline is provided with a second electromagnetic valve. The air conditioner of the electric motor coach can reduce the defrosting frequency and improve the energy efficiency ratio.
Description
Technical Field
The utility model relates to a passenger train air conditioner field, specific theory has related to a take waste heat recovery system's [ electric ] motor coach air conditioner.
Background
When the outdoor temperature is below zero in winter, the heat pump on the traditional pure electric bus air conditioner has poor heating effect, and the heating effect and the energy efficiency ratio of the heat pump cannot meet the requirement of comfort in the bus. The reason that the traditional pure electric bus air conditioner has poor heating performance of the heat pump in winter is mainly that the heat pump type air conditioner utilizes the principle that the air conditioner refrigerates in summer, namely, the air conditioner refrigerates indoors and dissipates heat outdoors in summer; when heating in autumn and winter, the direction is opposite to that in summer, and the purpose of heating is achieved by indoor heating and outdoor cooling in winter. Generally, when the outdoor temperature is below-5 ℃, the outdoor unit of the air conditioner cannot absorb enough heat from the environment in winter, so that the low pressure of the air conditioner is relatively low, the outdoor unit of the air conditioner is frequently in a defrosting mode, and the outdoor unit of the air conditioner cannot normally heat, thereby affecting the heating effect. In addition, the traditional double-return-air conditioner generally needs two electronic expansion valves, and the left and right electronic expansion valves are respectively matched and welded with the evaporator core body, so that the air conditioner needs two sets of controllers and two sets of matched materials, and has the defects of high cost, difficult maintenance and the like.
In order to solve the above problems, people are always seeking an ideal technical solution.
SUMMERY OF THE UTILITY MODEL
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: an electric motor coach air conditioner with a waste heat recovery system comprises an air conditioner shell and a waste heat recovery module;
a first evaporator and a second evaporator are respectively arranged on two sides in the air conditioner shell, and an evaporation fan and a PTC heater are respectively arranged on the inner side of the first evaporator and the inner side of the second evaporator; a condenser and a condensing fan are arranged between the first evaporator and the second evaporator;
the waste heat recovery module comprises a water pump, a motor, a first heat exchange pipeline, a second heat exchange pipeline and a plate heat exchanger arranged between the first heat exchange pipeline and the second heat exchange pipeline;
the condenser is communicated with an electronic expansion valve which is respectively communicated with the first evaporator and the second evaporator through two condenser pipelines;
a four-way reversing valve is arranged on one path of condenser pipeline, two ends of the four-way reversing valve are communicated with a compression loop, and the compression loop is respectively provided with a first electromagnetic valve, a gas-liquid separator, a compressor and an oil separator;
and two ends of the second heat exchange pipeline are respectively connected to two ends of the first electromagnetic valve, and the second heat exchange pipeline is provided with a second electromagnetic valve.
Based on the above, the top of the inner side of the air conditioner shell is provided with an air conditioner controller, an air conditioner frequency converter and an air conditioner high-voltage junction box.
Based on the above, the first heat exchange pipeline comprises an air conditioner water outlet pipe and an air conditioner water inlet pipe.
Based on the above, a liquid storage device, a dryer and a liquid sight glass are arranged on the condenser pipeline.
Based on the above, the bottom of the inner side of the air conditioner shell is also provided with an expansion water tank, and the expansion water tank is connected with an expansion water tank water replenishing pipe.
Based on the above, the outer side of the air conditioner shell is respectively provided with an air conditioner front windshield, a cooling and heating fan fixing plate, an evaporator cover plate and an air conditioner rear end cover; the air conditioner rear end cover is arranged on the outer side of the air conditioner shell through a hinge.
The heat recovery module comprises a waste heat recovery module, a motor, a first heat exchange pipeline, a second heat exchange pipeline and a water pump, wherein the heat exchange pipeline is communicated with the heat dissipation water tank through the water pump.
The utility model discloses relative prior art has substantive characteristics and progress, specific theory, the utility model provides a take waste heat recovery system's [ electric ] motor coach air conditioner retrieves the motor waste heat on the new forms of energy passenger train, can make winter off-premises station secondary absorption heat, has promoted the effect of heating when new forms of energy passenger train air conditioner heat pump heats winter, reduces the frequency of changing the frost, improves the energy efficiency ratio. Furthermore, the air conditioner not only meets the requirement of cooling when improving the waste heat utilization rate of the motor of the new energy bus, but also reduces the heat load of the motor cooling fan. Furthermore, the plate heat exchanger is arranged at the inlet of the compressor and the gas-liquid separator on the lower side of the air conditioner shell, so that no matter winter heat pump heating or summer cooling is performed, as long as the low pressure of the air conditioning system is too low or the superheat degree is insufficient, the superheat degree of the system can be adjusted by the built-in controller of the air conditioner by controlling the on-off states of the electromagnetic valves and the water pump, and the air conditioning system is more stable. Furthermore, the electric motor coach air conditioner with the waste heat recovery system only uses one electronic expansion valve to control the left evaporator core body and the right evaporator core body, and is low in cost and high in control precision.
Drawings
Fig. 1 is the utility model provides a take waste heat recovery system's [ electric ] motor coach air conditioner overall structure schematic diagram.
Fig. 2 is the utility model provides a take waste heat recovery system's [ electric ] motor coach air conditioner outside structure schematic diagram.
Fig. 3 is the utility model provides a take waste heat recovery system's [ electric ] motor coach air conditioner local structure schematic diagram.
Fig. 4 is the utility model provides a take waste heat recovery system's air conditioner mesocar air conditioner in refrigeration mode circulation schematic diagram.
Fig. 5 is a schematic view of the heating mode circulation in the air conditioner of the electric motor coach with the waste heat recovery system.
In the figure: 1. a compressor; 2. a four-way reversing valve; 3. a condenser; 4. a condensing fan; 5. a reservoir; 6. a dryer; 7. a liquid viewing mirror; 8. an electronic expansion valve; 9. a first evaporator; 10. an evaporation fan; 11. a second evaporator; 12. a gas-liquid separator; 13. an air conditioner controller; 14. an air-conditioning inverter; 15. an air conditioner rear end cover; 16. a first solenoid valve; 17. a second solenoid valve; 18. a plate heat exchanger; 19. an expansion tank; 20. a PTC heater; 21. an air conditioner water outlet pipe; 22. an air conditioner water inlet pipe; 23. a water replenishing pipe of the expansion water tank; 24. an air-conditioning high-voltage junction box; 25. a front windshield of the air conditioner; 26. a cold and warm air blower fixing plate; 27. an evaporator cover plate; 28. a water pump; 29. an oil separator; 30. a first heat exchange line; 31. a second heat exchange line; 32. a compression circuit; 33. a condenser line; 34. an electric motor.
Detailed Description
The technical solution of the present invention will be described in further detail through the following embodiments.
Example 1
The embodiment provides an electric motor coach air conditioner with a waste heat recovery system, which comprises an air conditioner shell and a waste heat recovery module, as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5.
And a first evaporator 9 and a second evaporator 11 are respectively arranged on two sides in the air conditioner shell. The inner side of the first evaporator 9 and the inner side of the second evaporator 11 are respectively provided with an evaporation fan 10 and a PTC heater 20. A condenser 3 and a condensing fan 4 are arranged between the first evaporator 9 and the second evaporator 11.
The waste heat recovery module comprises a water pump 28, a motor 34, a first heat exchange pipeline 30, a second heat exchange pipeline 31 and a plate type heat exchanger 18 arranged between the first heat exchange pipeline 30 and the second heat exchange pipeline 31.
The condenser 3 is communicated with an electronic expansion valve 8, and the electronic expansion valve 8 is respectively communicated with the first evaporator 9 and the second evaporator 11 through two condenser pipelines 33.
A four-way reversing valve 2 is arranged on one path of condenser pipeline 33, two ends of the four-way reversing valve 2 are communicated with a compression loop 32, and the compression loop 32 is respectively provided with a first electromagnetic valve 16, a gas-liquid separator 12, a compressor 1 and an oil separator 29.
Two ends of the second heat exchange pipeline 31 are respectively connected to two ends of the first electromagnetic valve 16, and the second heat exchange pipeline 31 is provided with a second electromagnetic valve 17.
Wherein, the top of the inner side of the air-conditioning shell is provided with an air-conditioning controller 13, an air-conditioning frequency converter 14 and an air-conditioning high-voltage junction box 24. The first heat exchange pipeline 30 comprises an air conditioner water outlet pipe 21 and an air conditioner water inlet pipe 22.
The condenser pipeline 33 is provided with a liquid storage device 5, a dryer 6 and a liquid sight glass 7.
An expansion water tank 19 is further arranged at the bottom of the inner side of the air conditioner shell, and an expansion water tank water replenishing pipe 23 is connected to the expansion water tank 19.
The outer side of the air conditioner shell is respectively provided with an air conditioner front windshield 25, a cooling and heating fan fixing plate 26, an evaporator cover plate 27 and an air conditioner rear end cover 15; the air conditioner rear end cover 15 is arranged on the outer side of the air conditioner shell through a hinge.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (6)
1. The utility model provides a take waste heat recovery system's [ electric ] motor coach air conditioner, includes air conditioner casing and waste heat recovery module, its characterized in that:
a first evaporator and a second evaporator are respectively arranged on two sides in the air conditioner shell, and an evaporation fan and a PTC heater are respectively arranged on the inner side of the first evaporator and the inner side of the second evaporator; a condenser and a condensing fan are arranged between the first evaporator and the second evaporator;
the waste heat recovery module comprises a water pump, a motor, a first heat exchange pipeline, a second heat exchange pipeline and a plate heat exchanger arranged between the first heat exchange pipeline and the second heat exchange pipeline;
the condenser is communicated with an electronic expansion valve which is respectively communicated with the first evaporator and the second evaporator through two condenser pipelines;
a four-way reversing valve is arranged on one path of condenser pipeline, two ends of the four-way reversing valve are communicated with a compression loop, and the compression loop is respectively provided with a first electromagnetic valve, a gas-liquid separator, a compressor and an oil separator;
and two ends of the second heat exchange pipeline are respectively connected to two ends of the first electromagnetic valve, and the second heat exchange pipeline is provided with a second electromagnetic valve.
2. The [ electric ] motor coach air conditioner with waste heat recovery system of claim 1, characterized in that: and an air conditioner controller, an air conditioner frequency converter and an air conditioner high-voltage junction box are arranged at the top of the inner side of the air conditioner shell.
3. The [ electric ] motor coach air conditioner with waste heat recovery system of claim 2, characterized in that: the first heat exchange pipeline comprises an air conditioner water outlet pipe and an air conditioner water inlet pipe.
4. The [ electric ] motor coach air conditioner with waste heat recovery system of claim 3, characterized in that: and a liquid storage device, a dryer and a liquid sight glass are arranged on the condenser pipeline.
5. The [ electric ] motor coach air conditioner with waste heat recovery system of claim 4, characterized in that: and an expansion water tank is further arranged at the bottom of the inner side of the air conditioner shell, and an expansion water tank water replenishing pipe is connected to the expansion water tank.
6. The [ electric ] motor coach air conditioner with waste heat recovery system of claim 5, characterized in that: the outer side of the air conditioner shell is respectively provided with an air conditioner front windshield, a cooling and heating fan fixing plate, an evaporator cover plate and an air conditioner rear end cover; the air conditioner rear end cover is arranged on the outer side of the air conditioner shell through a hinge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120613860.8U CN214492467U (en) | 2021-03-26 | 2021-03-26 | Electric motor coach air conditioner with waste heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120613860.8U CN214492467U (en) | 2021-03-26 | 2021-03-26 | Electric motor coach air conditioner with waste heat recovery system |
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| Publication Number | Publication Date |
|---|---|
| CN214492467U true CN214492467U (en) | 2021-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120613860.8U Active CN214492467U (en) | 2021-03-26 | 2021-03-26 | Electric motor coach air conditioner with waste heat recovery system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114322143A (en) * | 2022-01-05 | 2022-04-12 | 郇智博 | Intelligent spinning air conditioning system with waste heat recovery function |
-
2021
- 2021-03-26 CN CN202120613860.8U patent/CN214492467U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114322143A (en) * | 2022-01-05 | 2022-04-12 | 郇智博 | Intelligent spinning air conditioning system with waste heat recovery function |
| CN114322143B (en) * | 2022-01-05 | 2024-03-22 | 福建华平纺织服装实业有限公司 | Intelligent spinning air conditioning system with waste heat recovery function |
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