CN218661453U - Heat exchanger and thermal management system of vehicle - Google Patents

Abstract

The utility model discloses a heat management system of heat exchanger and vehicle, heat exchanger includes: a base; a main body disposed on the base, the main body including: the cooling system comprises a heat exchange loop and at least two cooling loops, wherein the at least two cooling loops are arranged at intervals, and at least part of the heat exchange loop is clamped between the at least two cooling loops. So, establish heat transfer circuit between two at least cooling circuit, can reduce the temperature difference between cooling circuit's the temperature and the battery system, improve the cooling effect to battery system to can prolong battery system's life and battery performance. In addition, the structure of the heat exchanger can be made compact, the space utilization of the vehicle layout can be improved, and the cost can be saved.

Description

Heat exchanger and thermal management system of vehicle

Technical Field

The utility model belongs to the technical field of the heat exchanger technique and specifically relates to a heat management system of heat exchanger and vehicle is related to.

Background

With the development of new energy automobiles, the requirements of the heat management system of the whole automobile are continuously changed, the principle of the heat management system is more and more complex, the AC-chiller heat exchanger is used as an important part of the heat management system of the whole automobile, the AC-chiller heat exchanger is single in function and use at present, and the functions of the AC-chiller heat exchanger are diversified and small-sized integrated, so that the heat management requirement trend of the whole automobile is met.

In the related technology, along with the increase of the endurance mileage of the whole vehicle, the electric quantity of a power battery is increased, the size of a shell is relatively increased, the length of a water channel of a cooling pipe is increased, and the temperature difference between the water inlet temperature and the water outlet temperature is large; moreover, with the development of the rapid charging technology, the temperature difference is more prominent due to the increasing charging multiplying power, the service life of the battery and the performance of the battery are influenced, and higher requirements are provided for the thermal management of the battery.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a heat exchanger establishes heat transfer loop between two at least cooling circuit, can reduce power battery cooling circuit difference in temperature and battery temperature difference in temperature, prolongs battery life and battery performance, improves space utilization and has saved the cost simultaneously.

The utility model also provides a thermal management system of vehicle.

According to the utility model discloses heat exchanger of first aspect embodiment includes: a base; a main body disposed on the base, the main body including: the cooling system comprises a heat exchange loop and at least two cooling loops, wherein the at least two cooling loops are arranged at intervals, and at least part of the heat exchange loop is clamped between the at least two cooling loops.

According to the heat exchanger provided by the embodiment of the utility model, the heat exchange loop is arranged between at least two cooling loops, so that the temperature difference of the cooling loop of the power battery and the temperature difference of the battery can be reduced, and the service life and the performance of the battery can be prolonged; the space utilization rate is improved and the cost is saved.

According to some embodiments of the utility model, the heat transfer circuit includes: the heat exchange device comprises a heat exchange water inlet pipe, a heat exchange water outlet pipe and a heat exchange pipeline, wherein the heat exchange water inlet pipe is arranged at one end of the heat exchange pipeline, the heat exchange water outlet pipe is arranged at the other end of the heat exchange pipeline, the heat exchange pipeline is arranged in the main body, the heat exchange water inlet pipe and the heat exchange water outlet pipe are arranged outside the main body, and at least part of the heat exchange pipeline is clamped between at least two cooling loops.

According to some embodiments of the utility model, the heat transfer pipeline includes: the two straight sections are arranged at two ends of the bent section, the bent section is clamped between at least two cooling loops, and the two straight sections are respectively communicated with the heat exchange water inlet pipe and the heat exchange water outlet pipe.

According to some embodiments of the invention, the cooling circuit comprises: cooling inlet tube, cooling outlet pipe and cooling pipeline, the cooling inlet tube set up in the one end of cooling pipeline just the cooling outlet pipe set up in the other end of cooling pipeline, the cooling pipeline set up in just in the main part the cooling inlet tube with the cooling outlet pipe set up in outside the main part, the cooling pipeline is in the setting of buckling in the main part.

According to some embodiments of the invention, the body comprises: the cooling device comprises at least two seat bodies, wherein the at least two seat bodies are mutually separated and are arranged on the base, at least two cooling loops are respectively arranged on the at least two seat bodies, and the cooling pipeline is arranged in the seat bodies.

According to some embodiments of the invention, the heat exchanger further comprises: the first electromagnetic valve is arranged on the heat exchange loop to control the flow of the refrigerant in the heat exchange loop.

According to the utility model discloses thermal management system of vehicle of second aspect embodiment includes: a battery system; an air conditioning system; the heat exchanger, the heat exchange loop and the air conditioning system are communicated, and at least two cooling loops are communicated with the battery system.

According to some embodiments of the invention, the battery system is one, and at least two of the cooling circuits are connected at different positions of the battery system; or at least two battery systems are provided, and the at least two cooling loops are respectively communicated with the at least two battery systems.

According to some embodiments of the present invention, the thermal management system of the vehicle further comprises: at least two water pumps, at least two the water pump sets up respectively between at least two cooling circuit and the battery system.

According to the utility model discloses a some embodiments, air conditioning system includes: compressor, condenser, second solenoid valve and pressure switch, the compressor the condenser the second solenoid valve pressure switch with heat exchanger is established ties each other, pressure switch set up in heat exchanger with between the compressor, the second solenoid valve set up in heat exchanger with between the condenser.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a perspective view of a heat exchanger according to an embodiment of the present invention;

fig. 2 is a top view of a heat exchanger according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a cooling circuit and a heat exchange circuit of a heat exchanger according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a cooling circuit of a heat exchanger according to an embodiment of the present invention;

fig. 5 is a schematic view of a heat exchange line of a heat exchanger according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a thermal management system of a vehicle according to a first embodiment of the present invention;

fig. 7 is a schematic structural diagram of a thermal management system of a vehicle according to a second embodiment of the present invention.

Reference numerals:

s, a thermal management system of the vehicle;

s1, a heat exchanger;

10. a base;

20. a main body; 21. a base body;

30. a heat exchange loop; 31. a heat exchange water inlet pipe; 32. a heat exchange water outlet pipe; 33. a heat exchange line; 34. a straight section; 35. bending the section;

40. a cooling circuit; 41. cooling the water inlet pipe; 42. cooling the water outlet pipe; 43. a cooling pipeline;

50. a first solenoid valve;

s2, a battery system;

s3, an air conditioning system; 60. a compressor; 70. a condenser; 80. a second solenoid valve; 90. a pressure switch;

and S4, a water pump.

Detailed Description

Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.

The heat exchanger S1 according to an embodiment of the present invention is described below with reference to fig. 1 to 7, and the present invention also proposes a thermal management system S of a vehicle having the heat exchanger S1 described above.

As shown in fig. 1 to 3, the heat exchanger S1 includes: a base 10 and a main body 20, the main body 20 is provided on the base 10.

Wherein, the main body 20 includes: the cooling system comprises a heat exchange loop 30 and at least two cooling loops 40, wherein the at least two cooling loops 40 are arranged at intervals, and at least part of the heat exchange loop 30 is clamped between the at least two cooling loops 40. With this arrangement, the cooling circuit 40 is configured to circularly cool the power battery, and after the cooling circuit 40 brings the heat generated by the power battery back to the heat exchanger S1, the heat exchange circuit 30 can sequentially pass through the at least two cooling circuits 40, so that heat exchange is performed between the heat exchange circuit 30 and the at least two cooling circuits 40, that is, the heat in the cooling circuit 40 is transferred to the heat exchange circuit 30 in a heat conduction manner, and finally the heat is discharged by the refrigerant in the heat exchange circuit 30.

At least part of the heat exchange loop 30 is clamped between the at least two cooling loops 40, so that the structure of the heat exchanger S1 is compact, the heat exchanger S1 is favorably arranged in a power battery compartment, and the space utilization rate of the vehicle is improved.

In addition, the heat conduction can be understood as indirect contact between the cooling circuit 40 and the heat exchange circuit 30, so that heat transfer is realized, and the quality and performance of the cooling liquid in the cooling circuit 40 and the refrigerant in the heat exchange circuit 30 are not affected.

From this, establish heat transfer circuit 30 between at least two cooling circuit 40 for heat exchange circuit 30 and cooling circuit 40 carry out the heat exchange, can reduce the difference in temperature between the cooling circuit 40 in the power battery and the power battery, improve the cooling effect to the power battery, thereby can prolong power battery life and battery performance, and heat exchanger S1' S compact structure can improve the space utilization who arranges the vehicle and saved the cost simultaneously.

As shown in connection with fig. 5, the heat exchange circuit 30 includes: heat exchange inlet tube 31, heat exchange outlet pipe 32 and heat exchange pipeline 33, heat exchange inlet tube 31 sets up in the one end of heat exchange pipeline 33 to heat exchange outlet pipe 32 sets up in the other end of heat exchange pipeline 33, and heat exchange pipeline 33 sets up in main part 20, and heat exchange inlet tube 31 and heat exchange outlet pipe 32 set up outside main part 20, and at least part clamp of heat exchange pipeline 33 is established between at least two cooling circuit 40.

That is to say, the refrigerant enters the heat exchange pipeline 33 from the heat exchange water inlet pipe 31, and can sequentially pass through the at least two cooling circuits 40, so that heat conduction is performed between the cooling circuits 40 and the heat exchange pipeline 33, heat of the cooling circuits 40 is transferred to the heat exchange pipeline 33, the temperature of the cooling circuits 40 and the temperature of the heat exchange pipeline 33 are balanced, the power battery can be continuously cooled by the cooling circuits 40, the temperature difference between the cooling circuits 40 and the power battery is reduced, and the cooling effect on the power battery is improved. In addition, the heat exchange water inlet pipe 31 and the heat exchange water outlet pipe 32 are arranged outside the main body 20, so that the heat exchange water inlet pipe 31 and the heat exchange water outlet pipe 32 are conveniently connected with a heat exchange pipe, and the sealing property and the installation convenience of the heat exchange loop 30 are ensured.

Wherein, heat exchange line 33 includes: two straight sections 34 and kinked section 35, two straight sections 34 set up the both ends at kinked section 35, and kinked section 35 presss from both sides and establishes between at least two cooling circuit 40, and two straight sections 34 communicate with heat transfer inlet tube 31 and heat transfer outlet pipe 32 respectively. By the arrangement, the bending section 35 is clamped between the at least two cooling loops 40, so that the bending section 35 can be in contact with or close to the cooling loops 40 as much as possible, the heat exchange area between the heat exchange pipeline 33 and the cooling loops 40 is increased, the temperature difference between the cooling loops 40 and the power battery can be reduced more efficiently, and the cooling effect on the power battery is effectively improved. And, two straight sections 34 communicate with heat transfer inlet tube 31 and heat transfer outlet pipe 32 respectively, are favorable to the refrigerant to flow into the kink 35 from straight section 34 fast, can make the refrigerant fully carry out the heat exchange with two at least cooling circuit 40 in kink 35 department simultaneously to improve heat exchange efficiency.

As shown in connection with fig. 4, the cooling circuit 40 includes: cooling inlet tube 41, cooling outlet pipe 42 and cooling pipeline 43, cooling inlet tube 41 sets up in the one end of cooling pipeline 43 to cooling outlet pipe 42 sets up in the other end of cooling pipeline 43, and cooling pipeline 43 sets up in main part 20, and cooling inlet tube 41 and cooling outlet pipe 42 set up outside main part 20, and cooling pipeline 43 sets up in main part 20 inside the bending. So set up, after the coolant liquid got into cooling pipeline 43 from cooling inlet tube 41, can make cooling pipeline 43 carry out the heat exchange with between the adjacent heat transfer pipeline 33 in main part 20 for heat transfer pipeline 33 can take away the heat of cooling pipeline 43, thereby reduces the temperature difference between cooling circuit 40 and the power battery, with the realization to the quick refrigerated effect of power battery.

The cooling pipeline 43 is arranged in the main body 20 in a bending mode, and the bending section 35 in the heat exchange pipeline 33 is arranged in the main body 20 in a bending mode, so that the heat exchange pipeline 33 is matched with the cooling pipeline 43, and the heat exchange area between the heat exchange pipeline 33 and the cooling pipeline 43 can be effectively increased. Moreover, the heat in the cooling pipeline 43 can be transferred to the main body 20 by the heat conduction between the cooling pipeline 43 and the heat exchange pipeline 33, and when the refrigerant in the heat exchange pipeline 33 passes through the main body 20, the heat can be exchanged between the main body 20 and the heat exchange pipeline 33, so that the heat in the cooling pipeline 43 can be taken away. Alternatively, the cooling line 43 and the heat exchange line 33 are in contact with each other, so that heat in the cooling line 43 is directly transferred to the heat exchange line 33, and the temperature difference between the cooling circuit 40 and the power battery can also be effectively reduced.

As shown in fig. 1 and 2, the main body 20 includes: at least two stand bodies 21, at least two stand bodies 21 are separated from each other and are all disposed on the base 10, at least two cooling circuits 40 are respectively disposed on at least two stand bodies 21, and the cooling pipeline 43 is disposed in the stand bodies 21. So set up, be equipped with two at least spaced pedestal 21 on base 10, two at least pedestal 21 and two at least cooling circuit 40 one-to-one can improve cooling circuit 40 to power battery's cooling efficiency. At least two seat bodies 21 are fixed on the base 10, and a plurality of mounting holes are provided on the base 10, and a fastener can be used to pass through the mounting holes and be fixed on a power battery or other components, thereby realizing the fixed mounting of the heat exchanger S1. And, the cooling pipelines 43 are arranged in the base bodies 21, so that at least part of the heat exchange pipeline 33 is clamped in at least two base bodies 21, and heat exchange can be carried out between the heat exchange pipeline 33 and at least two cooling pipelines 43.

Further, the heat exchanger S1 further includes: the first electromagnetic valve 50 is disposed in the heat exchange circuit 30, and the first electromagnetic valve 50 controls a flow rate of the refrigerant in the heat exchange circuit 30. With such a configuration, the first electromagnetic valve 50 can change the medium-temperature high-pressure refrigerant into low-temperature low-pressure wet steam by adjusting the flow rate of the refrigerant entering the heat exchange pipeline 33, so that the refrigerant absorbs heat in the heat exchange pipeline 33, thereby achieving an efficient refrigeration effect on the power battery.

According to the utility model discloses thermal management system S of vehicle of second aspect embodiment includes: the battery system S2, the air conditioning system S3 and the heat exchanger S1, the heat exchange loop 30 is communicated with the air conditioning system S3, and the at least two cooling loops 40 are communicated with the battery system S2. So configured, at least two cooling circuits 40 are communicated with the battery system S2 to form a circuit, which can be used for circularly cooling the battery system S2 (i.e. the power battery described above); the heat exchange loop 30 is communicated with the air conditioning system S3 to form another loop, and the heat exchange loop 30 is indirectly contacted with the cooling loop 40, on one hand, the heat exchange loop 30 and the air conditioning system can work together to achieve the cooling and heating effects in the vehicle, and on the other hand, the heat exchange loop 30 and the cooling loop 40 can exchange heat to reduce the temperature of the cooling liquid in the cooling loop 40, so that the battery system S2 can be effectively cooled continuously, and the temperature of the battery system S2 reaches the optimum working temperature.

As shown in fig. 6, in an embodiment of the present invention, the battery system S2 may be one, and at least two cooling circuits 40 are connected to different positions of the battery system S2. With this arrangement, at least two cooling circuits 40 are connected to different positions of the battery system S2, that is, one cooling circuit 40 of the at least two cooling circuits can be enclosed in one part of the battery system S2, and the other cooling circuit 40 can be enclosed in the other part of the battery system S2, so that an efficient and rapid cooling effect can be achieved on the battery system S2.

In another embodiment of the present invention, the number of the battery systems S2 may be at least two, and the at least two cooling circuits 40 and the at least two battery systems S2 are respectively connected. So set up, two at least cooling circuit 40 enclose respectively and locate two at least battery system S2 on, promptly, two at least cooling circuit 40 and two at least battery system S2 one-to-one set up, can realize the cooling effect to two battery system S2. Of course, like the above-mentioned one embodiment, at least two cooling circuits 40 may be provided on each of the at least two battery systems S2, so that the cooling effect of the battery systems S2 can be improved better.

Wherein, the thermal management system further comprises: at least two water pumps S4, the at least two water pumps S4 being respectively provided between the at least two cooling circuits 40 and the battery system S2. So set up, the pump output of coolant liquid in cooling circuit 40 can be adjusted between at least two cooling circuit 40 and battery system S2 to water pump S4 to realize battery system S2' S rapid cooling or heating effect.

Further, the air conditioning system S3 includes: the compressor 60, the condenser 70, the second solenoid valve 80 and the pressure switch 90 are connected in series, the compressor 60, the condenser 70, the second solenoid valve 80, the pressure switch 90 and the heat exchanger S1 are connected in series, the pressure switch 90 is arranged between the heat exchanger S1 and the compressor 60, and the second solenoid valve 80 is arranged between the heat exchanger S1 and the condenser 70. With such an arrangement, in the air conditioning system S3, the high-temperature and high-pressure refrigerant compressed by the compressor 60 enters the condenser 70 to be condensed into a medium-temperature and medium-pressure liquid refrigerant, is throttled and reduced in pressure by the second electromagnetic valve 80 to become a low-temperature and low-pressure liquid droplet refrigerant, and then enters the heat exchanger S1 to exchange heat with the cooling circuit 40, so that the heat of the battery system S2 can be taken away, and the temperature of the battery system S2 is effectively reduced. The pressure switch 90 is disposed between the heat exchanger S1 and the compressor 60, and is configured to monitor whether a pressure of a pipeline, through which the compressor 60 is communicated with the heat exchanger S1, is at a rated pressure, and if the measured pressure is higher than the rated pressure, the pressure switch 90 closes communication between the heat exchanger S1 and the air conditioning system S3, otherwise, the pressure switch 90 conducts communication between the heat exchanger S1 and the air conditioning system S3. In addition, one of the first solenoid valve 50 and the second solenoid valve 80 can be omitted, so that the flow rate of the refrigerant can be adjusted, and the cost can be saved.

Therefore, by providing the heat exchange circuit 30 between at least two cooling circuits 40, the temperature difference between the temperature of the cooling circuit 40 and the temperature difference between the battery systems S2 can be reduced, the cooling effect on the battery systems S2 can be improved, and the service life and the battery performance of the battery systems S2 can be prolonged. In addition, the heat exchanger S1 is compact, and can improve the space utilization rate of vehicle arrangement and save the cost.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A heat exchanger (S1), characterized in that it comprises:

a base (10);

a main body (20), the main body (20) being disposed on the base (10), the main body (20) including: the cooling system comprises a heat exchange loop (30) and at least two cooling loops (40), wherein the at least two cooling loops (40) are arranged at intervals, and at least part of the heat exchange loop (30) is clamped between the at least two cooling loops (40).

2. Heat exchanger (S1) according to claim 1, characterized in that said heat exchange circuit (30) comprises: heat transfer inlet tube (31), heat transfer outlet pipe (32) and heat transfer pipeline (33), heat transfer inlet tube (31) set up in the one end of heat transfer pipeline (33) just heat transfer outlet pipe (32) set up in the other end of heat transfer pipeline (33), heat transfer pipeline (33) set up in main part (20) just heat transfer inlet tube (31) with heat transfer outlet pipe (32) set up in outside main part (20), at least part clamp of heat transfer pipeline (33) is established at least two between cooling circuit (40).

3. Heat exchanger (S1) according to claim 2, characterized in that said heat exchange circuit (33) comprises: the cooling device comprises two straight sections (34) and a bent section (35), wherein the straight sections (34) are arranged at two ends of the bent section (35), the bent section (35) is clamped between at least two cooling loops (40), and the straight sections (34) are respectively communicated with a heat exchange water inlet pipe (31) and a heat exchange water outlet pipe (32).

4. The heat exchanger (S1) according to claim 1, characterized in that said cooling circuit (40) comprises: cooling inlet tube (41), cooling outlet pipe (42) and cooling pipeline (43), cooling inlet tube (41) set up in the one end of cooling pipeline (43) just cooling outlet pipe (42) set up in the other end of cooling pipeline (43), cooling pipeline (43) set up in main part (20) just cooling inlet tube (41) with cooling outlet pipe (42) set up in outside main part (20), cooling pipeline (43) are in the setting of buckling in main part (20).

5. The heat exchanger (S1) according to claim 4, characterized in that said main body (20) comprises: the cooling device comprises at least two seat bodies (21), wherein the at least two seat bodies (21) are mutually separated and are arranged on the base (10), at least two cooling circuits (40) are respectively arranged on the at least two seat bodies (21), and the cooling pipeline (43) is arranged in the seat bodies (21).

6. The heat exchanger (S1) according to claim 1, further comprising: the first electromagnetic valve (50) is arranged on the heat exchange loop (30) to control the flow of the refrigerant in the heat exchange loop (30).

7. A thermal management system (S) of a vehicle, characterized in that it comprises:

a battery system (S2);

an air conditioning system (S3);

the heat exchanger (S1) according to any one of claims 1 to 6, the heat exchange circuit (30) being in communication with the air conditioning system (S3), at least two of the cooling circuits (40) being in communication with the battery system (S2).

8. The thermal management system (S) of the vehicle according to claim 7, characterized in that the battery system (S2) is one, at least two of the cooling circuits (40) being connected at different locations of the battery system (S2); or the like, or, alternatively,

the number of the battery systems (S2) is at least two, and the at least two cooling circuits (40) and the at least two battery systems (S2) are respectively communicated.

9. The thermal management system (S) of a vehicle according to claim 7, further comprising: at least two water pumps (S4), at least two of the water pumps (S4) being respectively arranged between at least two of the cooling circuits (40) and the battery system (S2).

10. The thermal management system (S) of a vehicle according to claim 7, characterized in that said air conditioning system (S3) comprises: compressor (60), condenser (70), second solenoid valve (80) and pressure switch (90), compressor (60) condenser (70) second solenoid valve (80) pressure switch (90) with heat exchanger (S1) is established ties each other, pressure switch (90) set up in heat exchanger (S1) with between compressor (60), second solenoid valve (80) set up in heat exchanger (S1) with between condenser (70).

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