CN210881595U - Thermal management system and vehicle - Google Patents

Abstract

The utility model provides a heat management system and a vehicle, belonging to the technical field of automobile heat exchange and comprising a motor heat dissipation system and a passenger cabin heating system; the motor heat dissipation system comprises a heat dissipation unit; the passenger compartment heating system comprises a first heat exchange unit and a second heat exchange unit which are communicated in series; a heat conduction assembly is arranged between the heat dissipation unit and the first heat exchange unit and used for transferring heat of the heat dissipation unit to the first heat exchange unit. A vehicle using the thermal management system is also provided. The utility model provides a pair of thermal management system compares with the mode that only relies on outdoor and indoor heat exchanger to carry out the heat exchange among the prior art, the utility model discloses make full use of the heat of heat dissipation unit, also in time transmit the heat of heat dissipation unit to second heat transfer unit through first heat transfer unit, improved the heat transfer rate.

Description

Thermal management system and vehicle

Technical Field

The utility model belongs to the technical field of the car heat transfer, more specifically say, relate to a thermal management system and use this thermal management system's vehicle.

Background

When the electric automobile is warmed in winter, the conventional warming mode is mostly a mode of direct heat exchange, namely, heat exchange is carried out through outdoor and indoor heat exchangers, and heating of a cab is provided. However, this direct heat exchange method has a low heat transfer rate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat management system aims at solving the present direct mode of carrying out the heat exchange through outdoor and indoor heat exchanger, has the lower problem of heat transfer rate.

In order to achieve the above object, the utility model adopts the following technical scheme: a thermal management system is provided that includes a motor heat dissipation system and a passenger compartment heating system;

the motor heat dissipation system comprises a heat dissipation unit;

the passenger compartment heating system comprises a first heat exchange unit and a second heat exchange unit which are communicated in series;

the heat dissipation unit is used for dissipating heat of the heat dissipation unit, and the first heat exchange unit is used for transferring heat of the heat dissipation unit to the second heat exchange unit.

Further, the heat dissipation unit is a low-temperature radiator, the first heat exchange unit is an outdoor heat exchanger, the second heat exchange unit is an indoor heat exchanger, and the heat conduction assembly is at least one fin.

Furthermore, a plurality of heat exchange flat tubes are arranged in the outdoor heat exchanger, a plurality of heat dissipation flat tubes are arranged in the low-temperature radiator, and the plurality of fins are respectively inserted between the corresponding adjacent heat exchange flat tubes and the adjacent heat dissipation flat tubes and are used for carrying out heat exchange on the heat exchange flat tubes and the heat dissipation flat tubes.

Furthermore, the fins extend in a wave shape, and the height of the fins, the distance between every two adjacent heat exchange flat tubes and the distance between every two adjacent heat dissipation flat tubes are the same.

Further, one end of each fin is flush with the outer side of the heat exchange flat tube, and the other end of each fin is flush with the outer side of the heat dissipation flat tube.

Further, the fin is a metal part.

Furthermore, a fan is arranged on one side, away from the outdoor heat exchanger, of the low-temperature radiator, and the fan is used for accelerating the gas flow between the low-temperature radiator and the outdoor heat exchanger.

Furthermore, a plurality of clamping plates are arranged on two sides of the outdoor heat exchanger, a plurality of mounting frames are arranged on two sides of the low-temperature radiator, the mounting frames correspond to the clamping plates one by one, and clamping grooves used for being in clamping fit with the clamping plates are formed in the mounting frames; the fixed plates are arranged on two sides of the outdoor heat exchanger, the fixing frames are arranged on two sides of the low-temperature radiator, and the fixed plates and the fixing frames are used for fixing the outdoor heat exchanger and the low-temperature radiator on the vehicle body.

The utility model provides a pair of thermal management system's beneficial effect lies in: motor cooling system and passenger cabin heating system are solitary circulation system, motor cooling system includes the heat dissipation unit, passenger cabin heating system is including first heat transfer unit and the second heat transfer unit of series connection intercommunication, first heat transfer unit is located the cabin of vehicle front end, the second heat transfer unit is located the passenger cabin, heat conduction subassembly between heat dissipation unit and the first heat transfer unit is with the heat transfer of heat dissipation unit to first heat transfer unit, the heat that makes the heat dissipation unit transmits to second heat transfer unit through first heat transfer unit, compare with the mode that only relies on outdoor and indoor heat exchanger to carry out the heat exchange among the prior art, the utility model discloses make full use of the heat of heat dissipation unit, also in time transmit to second heat transfer unit through first heat transfer unit with the heat of heat dissipation unit, improved the heat transfer rate.

The utility model relates to a heat management system, include a heat management system.

Further, the vehicle still includes:

and the active air inlet grille is arranged at the front end of the vehicle, is positioned outside the thermal management system and is used for responding to a control unit of the vehicle to regulate and control the external air flow entering the front end of the vehicle.

The utility model provides a pair of beneficial effect of vehicle lies in: the utility model relates to a thermal management system owing to used this thermal management system, can reach the beneficial effect the same with a thermal management system, reduces calorific loss, improves the heat transfer rate, no longer gives unnecessary details here one by one.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic diagram of a thermal management system according to an embodiment of the present invention;

fig. 2 is a schematic view of an assembly structure of an outdoor heat exchanger, a low-temperature radiator and fins in a thermal management system according to an embodiment of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is an exploded view of FIG. 2;

FIG. 5 is a front view of FIG. 2 with the fan installed;

FIG. 6 is an enlarged view at B in FIG. 5;

FIG. 7 is a cross-sectional view taken along line C-C of FIG. 5;

fig. 8 is an enlarged view at D in fig. 7.

In the figure: 1. an outdoor heat exchanger; 101. heat exchange flat tubes; 2. a low temperature heat sink; 201. flat heat-dissipating tubes; 3. A fan; 4. a fin; 5. clamping a plate; 6. a mounting frame; 7. a card slot; 8. a fixing plate; 9. a fixed mount; 10. A drying cylinder; 11. a refrigeration pipe; 12. an air overflow pipe; 13. a liquid inlet pipe; 14. a liquid outlet pipe; 15. a compressor; 16. an indoor heat exchanger; 17. an expansion valve; 18. a blower; 19. a motor; 20. a grid; e: a cab area; f: a cockpit area; 100. a motor heat dissipation system; 200. a passenger compartment heating system.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, a thermal management system according to the present invention is now described. A thermal management system includes a motor heat dissipation system 100 and a passenger compartment heating system 200;

the motor heat dissipation system 100 includes a heat dissipation unit; the passenger compartment heating system 200 includes a first heat exchange unit and a second heat exchange unit in series communication; the heat conduction assembly is arranged between the heat dissipation unit and the first heat exchange unit and used for transferring heat of the heat dissipation unit to the first heat exchange unit, so that the heat of the heat dissipation unit is transferred to the second heat exchange unit through the first heat exchange unit.

The utility model provides a pair of thermal management system, compared with the prior art, motor cooling system 100 and passenger cabin heating system 200 are solitary circulation system, motor cooling system 100 includes the heat dissipation unit, passenger cabin heating system 200 is including the first heat transfer unit and the second heat transfer unit of series connection intercommunication, first heat transfer unit is located the inboard of vehicle front end, second heat transfer unit is located the passenger cabin, heat conduction assembly between heat dissipation unit and the first heat transfer unit is with the heat transfer of heat dissipation unit to first heat transfer unit, the heat that makes the heat dissipation unit transmits to second heat transfer unit through first heat transfer unit, heat loss has been reduced, the heat transfer rate has been improved.

As a specific embodiment of the pair of thermal management system, the heat dissipation unit is low temperature radiator 2, and first heat transfer unit is outdoor heat exchanger 1, and the second heat transfer unit is indoor heat exchanger 16, and heat-conduction component is an at least fin 4.

As a specific implementation manner of the pair of heat management system, please refer to fig. 2 to fig. 8, be equipped with many flat heat transfer pipes 101 in the outdoor heat exchanger 1, be equipped with many flat heat dissipation pipes 201 in the low temperature radiator 2, fin 4 is many, pegs graft respectively between the flat heat transfer pipe 101 that corresponds adjacent and the flat heat dissipation pipe 201 for carry out the heat exchange to flat heat transfer pipe 101 and the flat heat dissipation pipe 201. In this embodiment, outdoor heat exchanger 1 and low temperature radiator 2 install in proper order, many heat transfer flat pipe 101 transversely arrange in outdoor heat exchanger 1, and communicate each other, many heat dissipation flat pipe 201 transversely arrange in low temperature radiator 2, and communicate each other, there is the clearance between the adjacent heat transfer flat pipe 101, also there is the same clearance between the adjacent heat dissipation flat pipe 201, the part of a plurality of fins 4 both sides, peg graft respectively in two clearances that correspond, connect heat transfer flat pipe 101 and heat dissipation flat pipe 201, be used for carrying out the heat exchange to heat transfer flat pipe 101 and heat dissipation flat pipe 201, the heat loss has been reduced, the efficiency of heat exchange has been improved.

As a specific implementation manner of the present invention, please refer to fig. 6, the fins 4 are extended in a wave shape, and the height of the fins 4, the distance between the adjacent flat heat exchange tubes 101 and the distance between the adjacent flat heat dissipation tubes 201 are the same. In this embodiment, crest and trough end of wave fin 4 lean on respectively on the outer wall in flat heat transfer pipe 101 and flat heat dissipation pipe 201, can make fin 4 fully contact with flat heat transfer pipe 101 and flat heat dissipation pipe 201, can improve fin 4 and flat heat transfer pipe 101 and the flat heat dissipation pipe 201's rate of heat transfer.

As a specific implementation manner of the present invention, please refer to fig. 8, one end of the fin 4 is flush with the outer side of the flat heat exchange tube 101, and the other end of the fin 4 is flush with the outer side of the flat heat dissipation tube 201. In this embodiment, after outdoor heat exchanger 1 and low temperature radiator 2 installation are accomplished, can have certain interval between flat heat transfer pipe 101 and the flat pipe 201 that dispels the heat, the clearance of adjacent flat heat transfer pipe 101 and the clearance of adjacent flat pipe 201 that dispels the heat correspond the setting, fin 4 inserts in two clearances that correspond, fin 4's both ends respectively with the equal parallel and level in the outside of flat pipe 101 of heat transfer and the outside of flat pipe 201 that dispels the heat, make fin 4 and flat pipe 101 of heat transfer and the flat pipe 201 of dispelling the heat fully contact, can improve fin 4 and the heat transfer rate of flat pipe 101 of heat transfer and flat pipe 201 that dispels.

As a specific implementation manner of the heat management system provided by the present invention, the fin 4 is a metal part. In this embodiment, the fins 4 may be made of carbon steel or stainless steel, or may be made of copper alloy or aluminum alloy, so as to improve the heat transfer rate.

As a specific implementation manner of the heat management system provided in the present invention, please refer to fig. 1, one side of the low temperature heat sink 2 away from the outdoor heat exchanger 1 is provided with a fan 3, and the fan 3 is used for accelerating the gas flow between the low temperature heat sink 2 and the outdoor heat exchanger 1. In this embodiment, the fan 3 can accelerate the air flow between the low-temperature radiator 2 and the outdoor heat exchanger 1, thereby improving the heat exchange effect.

As a specific embodiment of the heat management system provided by the present invention, please refer to fig. 1 to 4, two sides of the outdoor heat exchanger 1 are provided with a plurality of clamping plates 5, two sides of the low temperature radiator 2 are provided with a plurality of mounting frames 6, the mounting frames 6 correspond to the clamping plates 5 one by one, and the mounting frames 6 are provided with clamping grooves 7 for clamping and matching with the clamping plates 5; both sides of the outdoor heat exchanger 1 are provided with fixing plates 8, both sides of the low-temperature radiator 2 are provided with fixing frames 9, and the fixing plates 8 and the fixing frames 9 are used for fixing the outdoor heat exchanger 1 and the low-temperature radiator 2 on a vehicle body. In this embodiment, 5 top-down of a plurality of cardboards install in the both sides of outdoor heat exchanger 1, and the both sides at low temperature radiator 2 of installing in a plurality of 6 one-to-ones of mounting bracket are equipped with the ascending draw-in groove 7 of opening on the mounting bracket 6, and 5 top-down of a plurality of cardboards insert in draw-in groove 7 to the joint is in draw-in groove 7, makes outdoor heat exchanger 1 pass through the joint cooperation of cardboard 5 and draw-in groove 7 and installs with low temperature radiator 2, makes the two keep the stability of installation. The fixing frame 9 on the low-temperature radiator 2 extends towards one side of the outdoor heat exchanger 1, mounting holes are formed in the tail end of the fixing frame 9 and the fixing plate 8, the fixing frame 9 and the fixing plate 8 are fixed with a vehicle body through bolts, and stability of the fixing frame 9 and the fixing plate 8 is guaranteed.

A drying cylinder 10 and a refrigerating pipe 11 are respectively arranged at two sides of the outdoor heat exchanger 1; an air overflow pipe 12, a liquid inlet pipe 13 and a liquid outlet pipe 14 are arranged on one side of the low-temperature radiator 2 from top to bottom. The fixing plate 8 and the clamping plate 5 are respectively fixed on the outer wall of the drying cylinder 10, the opening at the upper part of the refrigerating pipe 11 is used for filling a refrigerant, the liquid inside the low-temperature radiator 2 is circulated in the flat radiating pipe 201 through the liquid inlet pipe 13 and the liquid outlet pipe 14, and the gas in the flat radiating pipe 201 can be discharged through the gas overflow pipe 12.

The utility model also provides a vehicle, including foretell a thermal management system and initiative air-inlet grille 20, the vehicle front end is located to initiative air-inlet grille 20, and is located thermal management system's the outside for seal thermal management system and admit air for the driver's cabin. In this embodiment, the active grille shutter 20 is installed at the front end of the vehicle, when the active grille shutter 20 is closed, the refrigerant passes through the expansion valve 17, expands into a low-pressure low-temperature gas-liquid mixed state, and enters the outdoor heat exchanger 1, and at this time, the active grille shutter 20 is closed, so that the motor cooling system 100 and the passenger compartment heating system 200 can be better sealed, and thus the effect of quickly heating the vehicle is achieved, the engine enters an optimal working state in the shortest time, and especially in cold winter, the quicker vehicle heating means that passengers in the vehicle can blow hot air earlier. The temperature greatly influences the running of the engine, and the engine saves the most oil in the optimal working state, so that the fuel economy is indirectly improved by accelerating the engine to enter the optimal working temperature in the cold state. The area E is a cab, and the area F is a cab. The temperature of the cockpit is low in winter, and when heating is needed, heating is carried out through the heat pump system. The compressor 15 is driven by the motor 19 to operate, so that the refrigerant does work, the temperature and the pressure of the refrigerant are increased, high-temperature and high-pressure refrigerant gas enters the indoor heat exchanger 16 from the compressor 15, the air blower 18 conducts heat exchange between cold air in the cab and the refrigerant through the indoor heat exchanger 16, the refrigerant is cooled to be changed into liquid after the temperature of the cold air is reduced, and meanwhile, the air in the cab is heated to be heated, so that the temperature of the cab is increased. The refrigerant passes through the expansion valve 17, expands into a low-pressure low-temperature gas-liquid mixed state, enters the outdoor heat exchanger 1, the active air inlet grille 20 is closed at the moment, the fan 3 blows air to enable air with relatively high temperature in the cab to pass through the low-temperature radiator 2 for further heating, heat exchange is carried out on the refrigerant in the indoor heat exchanger 16, the refrigerant is heated to enable the refrigerant to become low-pressure low-temperature gas, and then the low-pressure low-temperature gas enters the compressor 15.

The utility model provides a pair of thermal management system, compared with the prior art, owing to used above-mentioned thermal management system, motor cooling system 100 and passenger cabin heating system 200 are solitary circulation system, motor cooling system 100 includes the radiating unit, passenger cabin heating system 200 is including the first heat transfer unit and the second heat transfer unit of series connection intercommunication, first heat transfer unit is located the cabin of vehicle front end, the second heat transfer unit is located the passenger cabin, heat conduction subassembly between radiating unit and the first heat transfer unit transmits the heat transfer of radiating unit to first heat transfer unit, the heat that makes radiating unit transmits to second heat transfer unit through first heat transfer unit, heat loss has been reduced, the heat transfer rate has been improved.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A thermal management system comprising a motor heat dissipation system and a passenger compartment heating system;

the motor heat dissipation system comprises a heat dissipation unit;

the passenger compartment heating system comprises a first heat exchange unit and a second heat exchange unit which are communicated in series;

the heat dissipation unit is used for dissipating heat of the heat dissipation unit, and the first heat exchange unit is used for transferring heat of the heat dissipation unit to the second heat exchange unit.

2. The thermal management system of claim 1, wherein said heat dissipation unit is a cryogenic heat sink, said first heat exchange unit is an outdoor heat exchanger, said second heat exchange unit is an indoor heat exchanger, and said heat transfer element is at least one fin.

3. The heat management system according to claim 2, wherein a plurality of heat exchange flat tubes are disposed in the outdoor heat exchanger, a plurality of heat dissipation flat tubes are disposed in the low-temperature heat sink, and a plurality of fins are respectively inserted between corresponding adjacent heat exchange flat tubes and adjacent heat dissipation flat tubes for heat exchange between the heat exchange flat tubes and the heat dissipation flat tubes.

4. The thermal management system of claim 3, wherein said fins extend in a wave-like manner, and the height of said fins, the spacing between adjacent heat exchanger flat tubes, and the spacing between adjacent heat exchanger flat tubes are the same.

5. A thermal management system according to claim 3, wherein one end of said fin is flush with the outside of said heat exchanger flat tubes and the other end of said fin is flush with the outside of said heat exchanger flat tubes.

6. A thermal management system according to claim 3, wherein said fins are of metal.

7. A thermal management system according to any of claims 2 to 6, wherein a fan is provided on the side of the low temperature heat sink remote from the outdoor heat exchanger, the fan being arranged to increase the flow of air between the low temperature heat sink and the outdoor heat exchanger.

8. The heat management system according to any one of claims 2 to 6, wherein a plurality of clamping plates are arranged on two sides of the outdoor heat exchanger, a plurality of mounting frames are arranged on two sides of the low-temperature radiator, the mounting frames correspond to the clamping plates one by one, and clamping grooves for clamping and matching with the clamping plates are arranged on the mounting frames; the fixed plates are arranged on two sides of the outdoor heat exchanger, the fixing frames are arranged on two sides of the low-temperature radiator, and the fixed plates and the fixing frames are used for fixing the outdoor heat exchanger and the low-temperature radiator on the vehicle body.

9. A vehicle comprising a thermal management system according to any of claims 1 to 8.

10. The vehicle of claim 9, further comprising:

and the active air inlet grille is arranged at the front end of the vehicle, is positioned outside the thermal management system and is used for responding to a control unit of the vehicle to regulate and control the external air flow entering the front end of the vehicle.

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