A dual-action temperature control system and equipment for power batteries used in new energy rail locomotives

Abstract

The present invention relates to the field of battery temperature control technology, and discloses a dual-acting temperature control system and equipment for power batteries for new energy rail locomotives, the equipment comprising a power battery pack, a cold plate is provided on the outside of the power battery pack, a gas pipeline is connected to one side of the cold plate, and a compressor is connected to the end of the gas pipeline away from the cold plate. The present invention organically combines a compression refrigeration system and a separate heat pipe cooling system to achieve energy saving and heat dissipation performance, protect its dual-acting system structure design, protect its dual-system shared condenser structure, protect its dual-system shared evaporator structure, and protect its dual-system switching control logic. Through the combination of the two systems, the overall weight and volume are small, and automatic deep cleaning of the air-cooled condenser fins and heat conducting plates can be achieved, without the need for manual time-consuming and labor-intensive disassembly for cleaning, saving time and labor, and ensuring the normal use of the air-cooled condenser.

Description

Technical Field

[0001] The present invention belongs to the technical field of battery temperature control, and in particular relates to a dual-acting temperature control system and equipment for a power battery for a new energy rail locomotive. Background Art

[0002] A large amount of heat will be generated during the operation of the power battery pack for new energy rail transit locomotives. At present, the power battery pack for rail transit locomotives still follows the cooling method of conventional energy storage systems, using ethylene glycol aqueous solution as the coolant. The coolant is first used to absorb the heat dissipated during the operation of the power battery. After the coolant absorbs the heat, the temperature rises, and then it is transported to the outside of the vehicle body and the refrigeration system is used to cool the coolant. In this way, the temperature control system requires more than two circulation systems, including a refrigeration circulation system, which absorbs the heat of the coolant and then uses the refrigerant circulation to release the heat to the air. The second cycle is the coolant circulation, which is used to absorb the heat of the power battery and then release the heat to the refrigerant of the refrigeration system. The principle is shown in the attached manual. Fig. 9 .

[0003] Because two circulation systems are required, the weight and volume of the device are very large. In addition, when the locomotive is running in a high-cold area, the refrigerant in the cooling circulation system must be replaced with a more low-temperature resistant formula, otherwise the refrigerant will freeze and cause the pipeline and system to rupture and damage. When the refrigerant uses a formula with a low freezing point, its specific heat capacity will be greatly reduced, so that a larger flow rate is required to transport the same power of heat, which greatly increases the structural weight, structural volume and operating energy consumption. In addition, the fins on the condenser or heat exchanger in the existing system need to be manually deep cleaned regularly, which is time-consuming and labor-intensive and inconvenient to use.

[0004] Therefore, it is necessary to invent a dual-acting temperature control system and equipment for a power battery for a new energy rail locomotive to solve the above problems. Summary of the invention

[0005] In view of the above problems, the present invention provides a dual-acting temperature control system and equipment for a power battery for a new energy rail locomotive to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A double-acting temperature control device for a power battery for a new energy rail locomotive comprises a power battery pack, wherein a cold plate is arranged outside the power battery pack, a gas pipeline is connected to one side of the cold plate, a compressor is connected to one end of the gas pipeline away from the cold plate, an air-cooled condenser is connected to one side of the compressor, a bypass pipe 1 is arranged outside the gas pipeline, an end of the bypass pipe 1 away from the gas pipeline is connected to the air-cooled condenser, a liquid pipeline is connected to the outside of the air-cooled condenser, an end of the liquid pipeline away from the air-cooled condenser is connected to the cold plate, an expansion valve is arranged outside the liquid pipeline, a bypass pipe 2 is connected to the outside of the liquid pipeline, an end of the bypass pipe 2 away from the liquid pipeline is connected to a side of the liquid pipeline close to the cold plate, and solenoid valves are arranged outside the bypass pipe 2 and outside the bypass pipe 1.

[0008] Furthermore, a PTC heater is provided outside the bypass pipe 2.

[0009] Further, the air-cooled condenser includes a frame, a copper tube is provided inside the frame, a plurality of pairs of fins are equidistantly provided inside the frame, the fins are symmetrically arranged outside the copper tube, a socket matching the copper tube is provided on the fin, a heat conductive sheet is provided in the socket, the heat conductive sheet is located between adjacent copper tubes, the heat conductive sheet and the fin are in contact with the copper tube, a limiting component for limiting the position of the heat conductive sheet is provided outside the heat conductive sheet, a cleaning component for cleaning the heat conductive sheet is provided outside the fin, a slide groove corresponding to the fin is provided on the top wall of the frame, a slider is slidably installed in the slide groove, a cavity is provided inside the slider, a rectangular plate is slidably installed in the cavity, a first spring is fixedly installed on the top of the rectangular plate, a connecting rod is fixedly installed on the bottom of the rectangular plate, the bottom end of the connecting rod extends outside the cavity and is fixedly connected to the corresponding fin, a driving component for driving it to move along the slide groove is provided outside the slider, a collecting component for collecting dust is provided outside the frame, and a lifting component for lifting the fin is provided outside the frame.

[0010] Furthermore, the driving assembly includes a pull rope fixedly connected to the side of the slider away from the center of the frame, a second spring is provided on the outside of the pull rope and located in the slide groove, two ends of the second spring are respectively fixedly connected to the slider and the inner wall of the slide groove, a winding rod cooperating with the pull rope is rotatably installed on the outside of the frame, one end of the pull rope away from the slider extends to the outside of the slide groove and is fixedly connected to the winding rod, a motor corresponding to the winding rod is fixedly connected to the outside of the frame, and the output shaft of the motor is transmission-connected to the end of the winding rod.

[0011] Furthermore, the lifting assembly includes a lifting plate symmetrically arranged at the lower outer side of the frame, and a vertical groove corresponding to the end of the lifting plate is opened at the lower outer side of the frame. The two ends of the lifting plate are slidably arranged in the corresponding vertical grooves, and an electromagnet is fixedly installed on the top wall of the vertical groove. The material of the two ends of the lifting plate is iron.

[0012] Furthermore, the limiting assembly includes a limiting strip symmetrically fixedly installed outside the heat conducting plate, and a limiting plate cooperating with the limiting strip is fixedly installed outside the fin. The limiting plate can move downward along the limiting strip, and the cross-section of the limiting plate is a "7" shape. The two sides of the limiting strip are respectively fitted with the inner sides of the fin and the limiting plate.

[0013] Furthermore, the cleaning assembly includes a capillary tube fixedly mounted on the bottom of the limit plate, a suction port facing the heat conducting plate being provided at the bottom of the capillary tube, a plurality of the capillary tubes on the same side are connected to each other via a hard tube, a hose connected to the hard tube is connected to the bottom, a plurality of the hoses on the same side are commonly connected to a transverse tube at the bottom ends, a vacuum cleaner is fixedly mounted on the lower portion of one side of the frame, and a suction end of the vacuum cleaner is fixedly connected to one end of the transverse tube.

[0014] Furthermore, the collecting assembly includes a collecting pipe symmetrically fixedly connected to the lower part of the frame, the outside of the vacuum cleaner is connected to the collecting pipe through a suction pipe, a collecting port is provided at the top of the collecting pipe, and electric control valves are provided in the suction pipe and the cross pipe.

[0015] The present invention also provides a dual-acting temperature control system for a power battery for a new energy rail locomotive, comprising the dual-acting temperature control device for a power battery for a new energy rail locomotive as described above.

[0016] Technical effects and advantages of the present invention:

[0017] 1. The present invention organically combines the compression refrigeration system and the separate heat pipe cooling system to achieve energy saving and heat dissipation performance, protect the dual-action system structure design, protect the dual-system shared air-cooled condenser structure, protect the dual-system shared evaporator structure, protect the dual-system switching control logic, and through the combination of the two systems, the overall weight and volume are small;

[0018] 2. The present invention can realize automatic deep cleaning of the fins and heat conducting plates of the air-cooled condenser, without the need for time-consuming and labor-intensive manual disassembly for cleaning, thus saving time and labor and ensuring the normal use of the air-cooled condenser. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram showing the structure of a dual-acting temperature control system for a power battery for a new energy rail locomotive according to an embodiment of the present invention;

[0020] Figure 2A schematic diagram showing the structure of the interior of a condenser according to an embodiment of the present invention is shown;

[0021] Figure 3 The cross-sectional structure diagram of the condenser of the embodiment of the present invention is shown in FIG. Figure 1 ;

[0022] Figure 4 The embodiment of the present invention is shown Figure 3 The enlarged structural diagram at A in the middle;

[0023] Figure 5 The cross-sectional structure diagram of the condenser of the embodiment of the present invention is shown in FIG. Figure 2 ;

[0024] Figure 6 The embodiment of the present invention is shown Figure 5 The enlarged structural diagram at B in the middle;

[0025] Figure 7 The embodiment of the present invention is shown Figure 2 The enlarged structural diagram at C in the middle;

[0026] Figure 8 A schematic structural diagram of a condenser according to an embodiment of the present invention is shown;

[0027] Fig. 9 A diagram of a battery pack temperature control system in the prior art is shown;

[0028] In the figure: 1. power battery pack; 2. cold plate; 3. gas pipeline; 4. compressor; 5. air-cooled condenser; 6. liquid pipeline; 7. expansion valve; 8. bypass pipeline 2; 9. solenoid valve; 10. bypass pipeline 1; 11. PTC heater; 12. rack; 13. copper tube; 14. fin; 15. heat conductive sheet; 16. slider; 17. connecting rod; 18. rectangular plate; 19. first spring; 20. second spring; 21. winding rod; 22. pull rope; 23. lifting plate; 24. electromagnet; 25. limit strip; 26. limit plate; 27. thin tube; 28. hard tube; 29. ​​hose; 30. horizontal tube; 31. vacuum cleaner; 32. suction tube; 33. collection tube; 34. motor. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the embodiments of the present invention more clear, the technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments.

[0030] The present invention provides a dual-action temperature control device for power batteries used in new energy rail locomotives, such as Figure 1As shown, it includes a power battery pack 1, a cold plate 2 is provided on the outside of the power battery pack 1, a gas pipeline 3 is connected to one side of the cold plate 2, a compressor 4 is connected to one end of the gas pipeline 3 away from the cold plate 2, an air-cooled condenser 5 is connected to one side of the compressor 4, a bypass pipeline 10 is provided on the outside of the gas pipeline 3, an end of the bypass pipeline 10 away from the gas pipeline 3 is connected to the air-cooled condenser 5, a liquid pipeline 6 is connected to the outside of the air-cooled condenser 5, an end of the liquid pipeline 6 away from the air-cooled condenser 5 is connected to the cold plate 2, an expansion valve 7 is provided on the outside of the liquid pipeline 6, a bypass pipeline 2 8 is connected to the outside of the liquid pipeline 6, an end of the bypass pipeline 2 8 away from the liquid pipeline 6 is connected to a side of the liquid pipeline 6 close to the cold plate 2, and solenoid valves 9 are provided on the outside of the bypass pipeline 2 8 and the outside of the bypass pipeline 10.

[0031] When the air temperature exceeds +5°C, the system closes the solenoid valve 9 on the bypass pipe 10 of the compressor 4 and the solenoid valve 9 on the bypass pipe 2 8 of the expansion valve 7. The system operates in compression refrigeration mode. The compression refrigeration mode is a direct cooling system with the cold plate 2 as the evaporator. The compressor 4 presses the refrigerant gas into the air-cooled condenser 5. In the air-cooled condenser 5, the high-temperature and high-pressure refrigerant is cooled by the air outside the air-cooled condenser 5 and condensed into liquid at the same time. The liquid refrigerant is decompressed and sprayed into atomization by the expansion valve 7, and vaporizes and absorbs heat in the cold plate 2 to cool the power battery pack 1. The system controls the cooling temperature of the power battery pack 1 by controlling the pressure in the evaporator, i.e., the cold plate 2.

[0032] When the vehicle is running in the cold winter or in the northern region, and the air temperature drops below 5°C, the system shuts down the compressor 4, opens the solenoid valve 9 on the bypass pipe 10 of the compressor 4, and opens the solenoid valve 9 on the bypass pipe 2 8 of the expansion valve 7, and operates in the heat pipe heat exchange mode. The system works as follows:

[0033] After the solenoid valve 9 is opened, all the liquid refrigerant flows into the cold plate 2, and the air-cooled condenser 5 is emptied. Because the air-cooled condenser 5 is in low-temperature air, the gas inside it is constantly absorbing heat and condensing into cold liquid, which flows back to the evaporator in the cabin, that is, the cold plate 2. The liquid in the cold plate 2 continuously absorbs the heat generated during the operation of the power battery pack 1. The refrigerant liquid evaporates into gas after absorbing heat, and is then transported to the air-cooled condenser 5 on the roof through the gas pipeline 3... This cycle repeats continuously, continuously cooling the cabin air.

[0034] The present invention combines the working principle of the compression refrigeration direct cooling system with the working principle of the separated heat pipe cooling system to achieve energy saving and heat dissipation performance.

[0035] Protect its double-acting system structure design, protect its dual-system shared condenser structure, protect its dual-system shared evaporator structure, and protect its dual-system switching control logic.

[0036] like Figure 1 As shown, a PTC heater 11 is provided outside the bypass pipe 2 8 .

[0037] When the outside temperature is too low, the power battery pack 1 needs to be heated. The power battery pack 1 can be heated by the refrigeration system, or the liquid in the cold plate 2 can be heated by the PTC heater 11 arranged at the bottom. Then the refrigerant will automatically transfer the heat to each cold plate 2 according to the temperature equalization principle.

[0038] like Figures 2 to 8 As shown, the air-cooled condenser 5 includes a frame 12, a copper tube 13 is arranged inside the frame 12, a plurality of pairs of fins 14 are arranged equidistantly inside the frame 12, the fins 14 are symmetrically arranged outside the copper tube 13, a socket matching the copper tube 13 is arranged on the fin 14, a heat conducting sheet 15 is arranged in the socket, the material of the fin 14 and the heat conducting sheet 15 is the same as the material of the fin on the condenser in the prior art, the heat conducting sheet 15 is located between adjacent copper tubes 13, the heat conducting sheet 15 and the fin 14 are both in contact with the copper tube 13, a limiter assembly for limiting the position of the heat conducting sheet 15 is arranged outside the fin 14, and a heat conducting sheet 15 for cleaning is arranged outside the fin 14. 5, the top wall of the frame 12 is provided with a slide groove corresponding to the fin 14, a slider 16 is slidably installed in the slide groove, a cavity is provided inside the slider 16, a rectangular plate 18 is slidably installed in the cavity, a first spring 19 is fixedly installed on the top of the rectangular plate 18, a connecting rod 17 is fixedly installed on the bottom of the rectangular plate 18, the bottom end of the connecting rod 17 extends outside the cavity and is fixedly connected to the corresponding fin 14, a driving component for driving the slider 16 to move along the slide groove is provided on the outside, a collecting component for collecting dust is provided on the outside of the frame 12, and a lifting component for lifting the fin 14 is provided on the outside of the frame 12.

[0039] When the fins 14 and the heat conducting sheet 15 need to be cleaned, the heat conducting sheet 15 is cleaned by the cleaning assembly to make the dust on the surface of the heat conducting sheet 15 leave the heat conducting sheet 15, and then the slider 16 is driven by the driving assembly to move the slider 16 with the rectangular plate 18, the connecting rod 17 and the fin 14, so that the two opposite fins 14 are separated. With the movement of the fins 14, when the fins 14 are separated from the bottom wall of the frame 12, the fins 14 are separated from the copper tube 13 at this time, and the compressed first spring 19 releases the force to bring the rectangular plate 18, the connecting rod 17 and the fin 14 down, so that the rectangular plate 18 hits the inner wall of the cavity to generate vibration, and the vibration is transmitted to the fin 14 to make it vibrate, and then the lifting assembly is used to lift the fin 14. The lifting component drives the fin 14 to rise with the connecting rod 17 and the rectangular plate 18 to compress the first spring 19 to deform it and generate a force. Then the lifting component cancels the lifting of the fin 14. According to the same principle, the fin 14 drops again. By continuously lifting the fin 14 and canceling the lifting of the fin 14 by the lifting component, the fin 14 can be continuously vibrated to shake off the dust on its surface. At the same time, the shaken dust can be collected by the collecting component. After cleaning, the lifting component lifts the fin 14, and then the driving component drives the fin 14 to reset, finally completing the automatic deep cleaning of the heat conducting plate 15 and the fin 14, without the need for time-consuming and labor-intensive manual disassembly for cleaning, saving time and effort.

[0040] like Figure 3 to Figure 4 As shown, the driving assembly includes a pull rope 22 fixedly connected to the side of the slider 16 away from the center of the frame 12, and a second spring 20 is sleeved on the outside of the pull rope 22 and located in the slide groove. The two ends of the second spring 20 are respectively fixedly connected to the slider 16 and the inner wall of the slide groove. A winding rod 21 cooperating with the pull rope 22 is rotatably installed on the outside of the frame 12. The end of the pull rope 22 away from the slider 16 extends to the outside of the slide groove and is fixedly connected to the winding rod 21. A motor 34 corresponding to the winding rod 21 is fixedly connected to the outside of the frame 12, and the output shaft of the motor 34 is transmission-connected to the end of the winding rod 21.

[0041] Starting the motor 34 causes its output shaft to rotate forward with the winding rod 21, so that the pull rope 22 is wound. As the pull rope 22 is wound, the slider 16 is pulled to move the rectangular plate 18, the connecting rod 17, and the fin 14, so that the two opposite fins 14 are separated. As the slider 16 moves, the second spring 20 is compressed to deform and generate a force. Starting the motor 34 causes its output shaft to reverse, so that the pull rope 22 is released. The compressed second spring 20 releases the force to reset the slider 16, so that the fin 14 is reset.

[0042] like Figure 3 As shown, the lifting assembly includes a lifting plate 23 symmetrically arranged at the lower outer part of the frame 12. A vertical groove corresponding to the end of the lifting plate 23 is opened at the lower outer part of the frame 12. The two ends of the lifting plate 23 are slidably arranged in the corresponding vertical grooves. An electromagnet 24 is fixedly installed on the top wall of the vertical groove. The material of the two ends of the lifting plate 23 is iron.

[0043] The electromagnet 24 is energized to make it magnetic, so that it attracts the lifting plate 23 to make it rise. The lifting plate 23 rises and presses against the bottom of the fin 14 to push the fin 14 up. The electromagnet 24 is deenergized to make it lose its magnetism, and the adsorption of the lifting plate 23 is cancelled.

[0044] like Figures 5 and 6 As shown, the limiting assembly includes a limiting strip 25 symmetrically fixedly installed outside the heat conducting plate 15, and a limiting plate 26 cooperating with the limiting strip 25 is fixedly installed outside the fin 14. The limiting plate 26 can move downward along the limiting strip 25. The cross-section of the limiting plate 26 is a "7" shape, and the two sides of the limiting strip 25 are respectively fitted with the inner sides of the fin 14 and the limiting plate 26.

[0045] The heat conducting sheet 15 cannot move due to the restriction of the limiting strip 25 and the limiting plate 26 and is always kept between two adjacent copper tubes 13. The material of the limiting plate 26 and the limiting strip 25 is the same as the material of the fins on the condenser in the prior art.

[0046] like Figure 2 , Figure 5 and Figure 6 As shown, the cleaning assembly includes a thin tube 27 fixedly installed at the bottom of the limit plate 26, and a suction port facing the heat conducting plate 15 is provided at the bottom of the thin tube 27. Multiple thin tubes 27 on the same side are connected by a hard tube 28, and a hose 29 connected to the hard tube 28 is connected to the bottom. The bottom ends of multiple hoses 29 on the same side are commonly connected to a cross tube 30. A vacuum cleaner 31 is fixedly installed on the lower part of one side of the frame 12, and the suction end of the vacuum cleaner 31 is fixedly connected to one end of the cross tube 30.

[0047] The vacuum cleaner 31 is started to cooperate with the transverse pipe 30 , the hose 29 , the hard pipe 28 , the thin pipe 27 and the suction port to suck air, so that the dust on the surface of the heat conducting plate 15 is sucked away, so that the heat conducting plate 15 is cleaned.

[0048] like Figure 2 As shown, the collecting assembly includes a collecting pipe 33 symmetrically fixedly connected to the lower part of the frame 12. The outside of the vacuum cleaner 31 is connected to the collecting pipe 33 through a suction pipe 32. A collecting port is provided on the top of the collecting pipe 33. Both the suction pipe 32 and the cross pipe 30 are provided with an electric control valve which is not shown in the figure.

[0049] When cleaning the heat conducting sheet 15, the electrically controlled valve in the suction pipe 32 is closed, the electrically controlled valve in the transverse pipe 30 is opened, and the vacuum cleaner 31 is started to extract air, and the transverse pipe 30, the hose 29, the hard pipe 28, the thin tube 27 and the suction port are used to suck air, so as to suck away the dust on the surface of the heat conducting sheet 15 and clean the heat conducting sheet 15. After cleaning the heat conducting sheet 15, the electrically controlled valve in the suction pipe 32 is opened, and the electrically controlled valve in the transverse pipe 30 is closed. At this time, the vacuum cleaner 31 collects the fallen dust through the suction pipe 32, the collection pipe 33 and the collection port to prevent the dust from escaping.

[0050] The present invention also provides a dual-acting temperature control device for a power battery for a new energy rail locomotive, including the dual-acting temperature control system for a power battery for a new energy rail locomotive as described above.

[0051] Working principle: When the air temperature exceeds +5°C, the system closes the solenoid valve 9 on the bypass pipe 10 of the compressor 4 and the solenoid valve 9 on the bypass pipe 2 8 of the expansion valve 7. The system operates in compression refrigeration mode. The compression refrigeration mode is a direct cooling system with the cold plate 2 as the evaporator. The compressor 4 presses the refrigerant gas into the air-cooled condenser 5. In the air-cooled condenser 5, the high-temperature and high-pressure refrigerant is cooled by the air outside the air-cooled condenser 5 and condensed into liquid at the same time. The liquid refrigerant is decompressed and sprayed through the liquid pipeline 6 and the expansion valve 7 to be atomized, vaporized and absorbed heat in the cold plate 2, and the power battery pack 1 is cooled. The system controls the cooling temperature of the power battery pack 1 by controlling the pressure in the evaporator, i.e., the cold plate 2.

[0052] When the vehicle is running in the cold winter or in the northern region, and the air temperature drops below 5°C, the system shuts down the compressor 4, opens the solenoid valve 9 on the bypass pipe 10 of the compressor 4, and opens the solenoid valve 9 on the bypass pipe 2 8 of the expansion valve 7, and operates in the heat pipe heat exchange mode. The system works as follows:

[0053] After the solenoid valve 9 is opened, all the liquid refrigerant flows into the cold plate 2, and the air-cooled condenser 5 is emptied. Because the air-cooled condenser 5 is in low-temperature air, the gas inside it is constantly absorbing heat and condensing into cold liquid, which flows back to the evaporator in the cabin, that is, the cold plate 2. The liquid in the cold plate 2 continuously absorbs the heat generated during the operation of the power battery pack 1. The refrigerant liquid evaporates into gas after absorbing heat, and is then transported to the air-cooled condenser 5 on the roof through the gas pipeline 3... This cycle repeats continuously, continuously cooling the cabin air.

[0054] The present invention combines the working principle of the compression refrigeration direct cooling system with the working principle of the separated heat pipe cooling system to achieve energy saving and heat dissipation performance.

[0055] Protect the system structure design of its double-acting work, protect the condenser structure shared by the two systems, protect the evaporator structure shared by the two systems, and protect the switching control logic of the two systems;

[0056] When the outside temperature is too low, the power battery pack 1 needs to be heated. The power battery pack 1 can be heated by the refrigeration system, or the liquid in the cold plate 2 can be heated by the PTC heater 11 arranged at the bottom. Then the refrigerant will automatically transfer the heat to each cold plate 2 according to the temperature equalization principle.

[0057] When it is necessary to clean the fins 14 and the heat conducting sheet 15 on the air-cooled condenser 5, the electric control valve in the suction pipe 32 is closed, the electric control valve in the transverse pipe 30 is opened, and the vacuum cleaner 31 is started to extract air, and the transverse pipe 30, the hose 29, the hard pipe 28, the thin tube 27 and the suction port are used to suck air, so as to suck away the dust on the surface of the heat conducting sheet 15 and clean the heat conducting sheet 15. After cleaning the heat conducting sheet 15, the electric control valve in the suction pipe 32 is opened, and the electric control valve in the transverse pipe 30 is closed. At this time, the vacuum cleaner 31 continues to work, and the suction pipe 32, the collection pipe 33 and the collection port are used to suck air, and the vacuum cleaner 31 is started. The motor 34 causes its output shaft to rotate forward with the winding rod 21, so that the pull rope 22 is wound up. As the pull rope 22 is wound up, the slider 16 is pulled to move with the rectangular plate 18, the connecting rod 17, and the fin 14, so that the two opposite fins 14 are separated. As the slider 16 moves, the second spring 20 is compressed to deform and generate a force. As the fin 14 moves, when the fin 14 is separated from the bottom wall of the frame 12, the fin 14 is separated from the copper tube 13. At this time, the compressed first spring 19 releases the force to bring the rectangular plate 18, the connecting rod 17, and the fin 14 down, so that The rectangular plate 18 hits the inner wall of the cavity to generate vibration, and the vibration is transmitted to the fin 14 to make it vibrate, and the electromagnet 24 is energized to make it magnetic, so that the lifting plate 23 is attracted to make it rise, and the lifting plate 23 rises and presses against the bottom of the fin 14 to push the fin 14 to rise, and the fin 14 rises with the connecting rod 17 and the rectangular plate 18 to compress the first spring 19 to deform it and generate a force, and then the electromagnet 24 is powered off to make it lose its magnetism, cancel the adsorption of the lifting plate 23, and the fin 14 drops again according to the above principle. By energizing and de-energizing the electromagnet 24, the continuous vibration of the fin 14 can be achieved. The dust on its surface must be shaken off, and at the same time, the dust is sucked into the vacuum cleaner 31 through the suction pipe 32, the collection pipe 33, and the collection port to collect the dust and prevent the dust from escaping. After the cleaning is completed, the electromagnet 24 is energized to make the fin 14 rise, and the motor 34 is started to reverse its output shaft, so that the pull rope 22 is released, and the compressed second spring 20 releases the force to reset the slider 16, so that the fin 14 is reset. At this point, the automatic deep cleaning of the fin 14 and the heat conducting sheet 15 is completed, and there is no need for manual time-consuming and labor-intensive disassembly for cleaning, which saves time and effort.

[0058] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them.

Claims

1. A dual-action temperature control device for a power battery for a new energy rail locomotive, comprising a power battery pack (1), characterized in that: The power battery pack (1) is provided with a cold plate (2) on the outside, a gas pipeline (3) is connected to one side of the cold plate (2), a compressor (4) is connected to one end of the gas pipeline (3) away from the cold plate (2), an air-cooled condenser (5) is connected to one side of the compressor (4), a bypass pipeline (10) is provided on the outside of the gas pipeline (3), an end of the bypass pipeline (10) away from the gas pipeline (3) is connected to the air-cooled condenser (5), and the outside of the air-cooled condenser (5) is provided with a bypass pipeline (10) A liquid pipeline (6) is connected, one end of the liquid pipeline (6) away from the air-cooled condenser (5) is connected to the cold plate (2), an expansion valve (7) is provided on the outside of the liquid pipeline (6), a bypass pipeline 2 (8) is connected to the outside of the liquid pipeline (6), one end of the bypass pipeline 2 (8) away from the liquid pipeline (6) is connected to a side of the liquid pipeline (6) close to the cold plate (2), and solenoid valves (9) are provided on the outside of the bypass pipeline 2 (8) and the outside of the bypass pipeline 1 (10); A PTC heater (11) is provided outside the bypass pipe 2 (8); The air-cooled condenser (5) comprises a frame (12), a copper tube (13) is arranged inside the frame (12), a plurality of pairs of fins (14) are arranged at equal intervals inside the frame (12), the fins (14) are symmetrically arranged outside the copper tube (13), the fins (14) are provided with sockets matching the copper tube (13), a heat conducting sheet (15) is arranged inside the sockets, the heat conducting sheet (15) is located between adjacent copper tubes (13), the heat conducting sheet (15) and the fins (14) are both in contact with the copper tube (13), a limiting component for limiting the position of the heat conducting sheet (15) is arranged outside the heat conducting sheet (15), a cleaning component for cleaning the heat conducting sheet (15) is arranged outside the fins (14), and the frame (12) is provided with a plurality of pairs of fins (14) at equal intervals, the fins (14) are symmetrically arranged outside the copper tube (13), a socket matching the copper tube (13) is arranged on the fins (14), a heat conducting sheet (15) is arranged inside the sockets, the heat conducting sheet (15) is located between adjacent copper tubes (13), the heat conducting sheet (15) and the fins (14) are both in contact with the copper tube (13), a limiting component for limiting the position of the heat conducting sheet (15) is arranged outside the fins (14), and a cleaning component for cleaning the heat conducting sheet (15) is arranged outside the frame (12). The top wall of the frame (12) is provided with a slide groove corresponding to the fin (14), a slider (16) is slidably installed in the slide groove, a cavity is provided inside the slider (16), a rectangular plate (18) is slidably installed in the cavity, a first spring (19) is fixedly installed on the top of the rectangular plate (18), a connecting rod (17) is fixedly installed on the bottom of the rectangular plate (18), the bottom end of the connecting rod (17) extends outside the cavity and is fixedly connected to the corresponding fin (14), a driving component for driving the slider (16) to move along the slide groove is provided on the outside, a collecting component for collecting dust is provided on the outside of the frame (12), and a lifting component for lifting the fin (14) is provided on the outside of the frame (12).

2. The dual-action temperature control device for power batteries for new energy rail locomotives according to claim 1 is characterized in that: The driving assembly comprises a pull rope (22) fixedly connected to a side of the slider (16) away from the center of the frame (12); a second spring (20) is sleeved on the outside of the pull rope (22) and located in the slide groove; the two ends of the second spring (20) are respectively fixedly connected to the slider (16) and the inner wall of the slide groove; a winding rod (21) cooperating with the pull rope (22) is rotatably installed on the outside of the frame (12); one end of the pull rope (22) away from the slider (16) extends to the outside of the slide groove and is fixedly connected to the winding rod (21); a motor (34) corresponding to the winding rod (21) is fixedly connected to the outside of the frame (12); and the output shaft of the motor (34) is drivingly connected to the end of the winding rod (21).

3. The dual-action temperature control device for power batteries for new energy rail locomotives according to claim 2 is characterized in that: The lifting assembly comprises a lifting plate (23) symmetrically arranged at the lower outer side of the frame (12); a vertical slot corresponding to the end of the lifting plate (23) is provided at the lower outer side of the frame (12); both ends of the lifting plate (23) are slidably arranged in the corresponding vertical slots; an electromagnet (24) is fixedly mounted on the top wall of the vertical slot; and the material of the two ends of the lifting plate (23) is iron.

4. The dual-action temperature control device for power batteries for new energy rail locomotives according to claim 3 is characterized in that: The limiting assembly comprises a limiting strip (25) symmetrically fixedly mounted outside the heat conducting sheet (15); a limiting plate (26) cooperating with the limiting strip (25) is fixedly mounted outside the fin (14); the limiting plate (26) can move downward along the limiting strip (25); the limiting plate (26) has a "7"-shaped cross section; two sides of the limiting strip (25) are respectively fitted with the inner sides of the fin (14) and the limiting plate (26).

5. The dual-action temperature control device for power batteries for new energy rail locomotives according to claim 4 is characterized in that: The cleaning assembly comprises a thin tube (27) fixedly mounted on the bottom of the limit plate (26); a suction port facing the heat conducting plate (15) is provided at the bottom of the thin tube (27); a plurality of thin tubes (27) on the same side are connected to each other via a hard tube (28); a hose (29) connected to the hard tube (28) is connected to the bottom of the hard tube (28); the bottom ends of the plurality of hoses (29) on the same side are commonly connected to a transverse tube (30); a vacuum cleaner (31) is fixedly mounted on the lower part of one side of the frame (12); the suction end of the vacuum cleaner (31) is fixedly connected to one end of the transverse tube (30).

6. The dual-action temperature control device for power batteries for new energy rail locomotives according to claim 5 is characterized in that: The collecting assembly comprises a collecting pipe (33) symmetrically fixedly connected to the lower part of the frame (12); the outside of the dust collector (31) is connected to the collecting pipe (33) via a suction pipe (32); a collecting port is provided at the top of the collecting pipe (33); and electric control valves are provided in the suction pipe (32) and the transverse pipe (30).

7. A dual-acting temperature control system for a power battery for a new energy rail locomotive, comprising the dual-acting temperature control device for a power battery for a new energy rail locomotive as claimed in claim 6.

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