CN215418385U - Battery thermal management equipment - Google Patents

Abstract

The utility model provides battery heat management equipment which comprises a box body, a starting device, a liquid pump and a pipeline, wherein the pipeline and the liquid pump are arranged in the box body, cooling liquid is filled in the pipeline, the liquid pump is suitable for driving the cooling liquid to a battery pack, the starting device is arranged on the outer side of the box body, the starting device is electrically connected with the liquid pump, and the starting device is suitable for restarting the liquid pump. Compared with the prior art, the coolant liquid is after the heat of absorption battery package, and the coolant liquid after the heating can produce gas in the pipeline flows, when unable timely exhaust gas causes the liquid pump to take place the gas block and when the stop operation, can directly restart the liquid pump through the starting drive who sets up in the box outside, need not to go from the inside start-up liquid pump of box, convenient and fast.

Description

Battery thermal management equipment

Technical Field

The utility model relates to the technical field of battery heat dissipation equipment, in particular to battery heat management equipment.

Background

Batteries of new energy power vehicles are often in very harsh environments, especially batteries can produce a large amount of heat in the charge-discharge process, and battery overheating easily leads to the battery to break down, even arouses the explosion, and the battery is in the overheated state for a long time simultaneously can influence the life-span of battery, consequently needs battery heat dissipation equipment to cool off the heat dissipation to the battery. Usually, a cooling liquid circulation pipeline is arranged in the battery heat dissipation device, and the cooling liquid circulation pipeline circularly conveys cooling liquid to the battery pack by using a liquid pump, so that heat generated in the battery is continuously taken away. However, after the heat of the battery pack is absorbed by the cooling liquid, the temperature of the cooling liquid is correspondingly increased, so that some gas originally dissolved in the cooling liquid can be released by the cooling liquid in the circulating process, the gas blockage phenomenon of the liquid pump is caused, and the liquid pump even stops running. In order to operate the liquid pump again, the liquid pump needs to be restarted from the inside of the heat dissipation device, so that the operation is inconvenient, and the daily use is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model solves the problem of how to quickly and conveniently restart the liquid pump when the liquid pump stops running due to air blockage.

In order to solve the above problems, the present invention provides a battery thermal management apparatus, which includes a box, a starting device, a liquid pump, and a pipe, wherein the pipe and the liquid pump are disposed in the box, the pipe is filled with a coolant, the liquid pump is adapted to drive the coolant to a battery pack, the starting device is disposed outside the box, the starting device is electrically connected to the liquid pump, and the starting device is adapted to restart the liquid pump.

Compared with the prior art, the utility model has the following beneficial effects: the coolant liquid is after the heat of absorption battery package, and the coolant liquid after the heating can produce gas in the pipeline flows, when unable timely exhaust gas causes the liquid pump to take place the gas block and when the shutdown, can be through the direct restart liquid pump of starting drive that sets up in the box outside, need not to go from the inside liquid pump that starts of box, convenient and fast.

Optionally, the battery heat management device further comprises a bent tube, the bent tube is arranged on the outer side wall of the box body, the starting device is arranged on the bent tube, and the bent tube is suitable for adjusting the position of the starting device. Therefore, the starting device can be adjusted to a proper position by adjusting the bent pipe according to different installation environments.

Optionally, the activation device is a jog switch. Therefore, the liquid pump can be restarted only by pressing down once, and the liquid pump does not need to be communicated all the time, is more convenient and faster, and is convenient to use again next time.

Optionally, the battery heat management device further comprises a refrigerant circulation circuit and a heat exchanger which are arranged in the box body, refrigerant is filled in the refrigerant circulation circuit, the cooling liquid and the refrigerant are suitable for carrying out heat exchange in the heat exchanger, the refrigerant circulation circuit comprises a compressor and a condenser which are connected end to end, and the compressor is suitable for driving the refrigerant to the condenser. From this, can carry out the heat exchange through the refrigerant in the heat exchanger with the coolant liquid, cool down for the coolant liquid, guarantee that the coolant liquid can last for the battery package cooling, set up the condenser and can accelerate the condensation efficiency of refrigerant.

Optionally, the battery heat management apparatus further comprises a fixing sheet, and the condenser is adapted to be fixed on the box body through the fixing sheet. Therefore, the condenser can be fixed on the box body through the fixing pieces, and the structural strength is improved.

Optionally, the stationary blade is equipped with the arcwall face, the arcwall face with the lateral wall laminating of condenser. From this, increase the fastness of condenser connection on the box, avoid producing not hard up or rocking.

Optionally, the battery heat management device further comprises a connecting plate and a shock pad, the compressor is suitable for being fixed on the connecting plate, the shock pad is arranged between the bottom of the connecting plate and the bottom of the box body, and the connecting plate and the shock pad are suitable for being connected through a fastener. From this, can cushion through the shock pad, avoid the vehicle to jolt at the in-process of traveling and cause the damage to the compressor, the fastener can restrict the position of connecting plate, avoids producing the displacement.

Optionally, a protective cover is arranged on the starting device, and the protective cover is suitable for protecting the starting device. Thus, the false touch of the starting device can be avoided.

Optionally, the battery heat management device further comprises a fan, and the fan is arranged on the box body and opposite to the condenser. Therefore, the condenser is swept by the fan, and the fan heat efficiency of the condenser is further accelerated.

Optionally, the battery thermal management device further comprises a protective shell, the protective shell is arranged on the outer side of the box body, and the protective shell is suitable for protecting the fan. From this, can protect the fan, further improve the security simultaneously.

Drawings

FIG. 1 is an overall block diagram of a battery thermal management apparatus in an embodiment of the present invention;

FIG. 2 is a schematic view showing the installation of the stator and the condenser in the embodiment of the present invention;

FIG. 3 is a schematic view of the connection between the shock pad and the connecting plate according to the embodiment of the present invention;

fig. 4 is a schematic structural view of the fan and the protective air guide cover in the embodiment of the utility model.

Description of reference numerals:

1-box, 2-starting device, 3-bent pipe, 4-compressor, 5-condenser, 51-fixing piece, 52-radiating fin, 53-outer frame, 6-connecting plate, 7-shock pad, 8-fan, 9-protective shell, 10-protective wind scooper, 11-liquid inlet, 12-liquid outlet, 13-radiating hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements to be referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. In the drawings of the embodiments of the present invention, a coordinate system XYZ is provided, in which a forward direction of an X axis represents a forward direction, a reverse direction of the X axis represents a backward direction, a forward direction of a Y axis represents a left direction, a reverse direction of the Y axis represents a right direction, a forward direction of a Z axis represents an upward direction, and a reverse direction of the Z axis represents a downward direction.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Referring to fig. 1, the present invention provides a battery heat management apparatus, which includes a box 1, a starting device 2, a liquid pump and a pipeline, wherein the pipeline and the liquid pump are disposed in the box 1, the pipeline is filled with a coolant, the liquid pump is adapted to drive the coolant to a battery pack, the starting device 2 is disposed outside the box 1, the starting device 2 is electrically connected to the liquid pump, and the starting device 2 is adapted to restart the liquid pump.

In this embodiment, a liquid pump and a pipe are provided in the case 1, an outlet end of the liquid pump is connected to an inlet port of the battery pack through the pipe, and an inlet end of the liquid pump is connected to an outlet port of the battery pack through the pipe, thereby constituting a circulation circuit. The cooling liquid is filled in the pipeline, and the liquid pump drives the cooling liquid to circularly flow in the pipeline, so that the heat of the battery pack is continuously taken away. Starting drive 2 sets up in the outside of box 1 to with the liquid pump electric connection in the box 1, when coolant temperature risees and causes the liquid pump to take place the air lock phenomenon and further cause the liquid pump shutdown operation, can directly follow the starting drive 2 direct restart liquid pump that the box 1 outside set up, avoid needing to open box 1 earlier then from the inside restart liquid pump of box 1, it is more convenient. The starting device 2 can directly restart the liquid pump, or can be connected with a controller through the starting device 2, and the controller controls the starting device 2 to start.

As shown in fig. 1, the battery heat management device further includes a bending tube 3, the bending tube 3 can be bent arbitrarily, and the actuating device 2 is disposed at a head of the bending tube 3. When installing battery thermal management equipment to the car, can be according to the installation space of difference, adjust pipe 3 that buckles wantonly to adjust starting drive 2 to suitable position, conveniently press.

In the present embodiment, the bending pipe 3 is preferably a flexible pipe having characteristics of flame resistance, corrosion resistance, and being capable of being bent at will, and the like, and satisfies the use requirements under severe environments, and ensures reliability.

Further, the starting device 2 arranged on the bent pipe 3 is a jog switch, so that when the starting device 2 needs to be used, the liquid pump can be restarted only by pressing once, and the switch does not need to be in a state of being always connected, so that the liquid pump can be restarted by pressing next time.

Be equipped with the protective cover on starting drive 2 for protection starting drive 2, the protective cover can cover the start button on starting drive 2, need open the protective cover earlier when needing to use and just can press starting drive 2, thereby avoid the mistake to touch, further improved the security. Wherein the protective cover can be selected to be a commonly used buckle turnover protective cover.

Referring to fig. 1 to 2, in the present embodiment, the battery heat management apparatus further includes a refrigerant circulation circuit and a heat exchanger installed inside the case 1, the refrigerant circulation circuit is filled with a refrigerant, and both the coolant and the refrigerant in the refrigerant circulation circuit flow through the heat exchanger. The refrigerant circulation loop comprises a compressor 4 and a condenser 5, the compressor 4 is connected with the condenser 5 end to end through a pipeline to form a loop, and the condenser 5 is fixed on the box body 1. The compressor 4 is configured to circulate refrigerant in the circulation circuit, and the compressor 4 compresses low-temperature and low-pressure gas refrigerant into high-temperature and high-pressure gas refrigerant, and drives the refrigerant to flow into the condenser 5. The condenser 5 is used for condensing a refrigerant, the refrigerant forms a medium-temperature high-pressure gaseous refrigerant after flowing through the condenser 5, the medium-temperature high-pressure gaseous refrigerant flowing out of the condenser 5 forms a low-temperature low-pressure liquid refrigerant after passing through an expansion valve, the low-temperature low-pressure liquid refrigerant flows into the heat exchanger to exchange heat with the cooling liquid, the refrigerant forms a low-temperature low-pressure gaseous refrigerant after absorbing heat of the cooling liquid and returns to the compressor 4, and the compressor 4 compresses the low-temperature low-pressure gaseous refrigerator into the high-temperature high-pressure gaseous refrigerant again and transmits the high-temperature high-pressure gaseous refrigerant to the condenser 5. The cooling liquid is cooled by the circulation, so that the heat of the battery pack can be continuously taken away by the cooling liquid.

In the present embodiment, the refrigerant may be selected from dichlorodifluoromethane and tetrafluoroethane, preferably r134a, namely tetrafluoroethane, which has good safety performance, ensures safety in use, and is more environmentally friendly, and the cooling liquid is preferably 50% glycol aqueous solution. The compressor 4 may alternatively be a semi-hermetic electric scroll compressor.

The inside refrigerant pipeline and the coolant liquid pipeline that have parallel arrangement and mutual butt of heat exchanger to the refrigerant can be better carry out the heat exchange with the coolant liquid.

As shown in fig. 2, the battery thermal management apparatus further includes a fixing plate 51, the condenser 5 is mounted on the sidewall of the box 1 through the fixing plate 51, the fixing plate 51 is connected to the sidewall of the box 1 through a fastening member such as a bolt or a screw, and the condenser 5 is pressed against the sidewall of the box 1, so as to ensure the stability of the condenser 5. In this embodiment, the number of the fixing pieces 51 is four, and the fixing pieces are respectively arranged at four corners of the condenser 5, so that the structural strength is further improved, and the fixing pieces are prevented from falling off.

Preferably, the fixing plate 51 is L-shaped, an arc-shaped surface matched with the side wall of the condenser 5 is arranged on one side surface of the L-shaped fixing plate, when the fixing plate 51 fixes the condenser 5 on the side wall of the box body 1, the arc-shaped surface is tightly attached to the side wall of the condenser 5, and the other side wall of the fixing plate 51 is fixedly connected with the side wall of the box body 1 through a screw or a bolt, so that the condenser 5 can be clamped on the side wall of the box body 1 through the arc-shaped surface on the fixing plate 51. Meanwhile, the arc-shaped surface of the fixing plate 51 can prevent the condenser 5 and the fixing plate 51 from having a gap therebetween to affect the fixing effect.

As shown in fig. 3, the battery heat management device further includes two connection plates 6, in this embodiment, the connection plates 6 are arranged oppositely, the connection plates 6 are L-shaped, a set of shock absorbing pad 7 is arranged between the bottom of each connection plate 6 and the bottom of the box body 1, and the compressor 4 is fixed between the two connection plates 6 through a fastening member, so that in the driving process of the vehicle, the shock absorbing pad 7 can buffer the shock caused by bumping, and the damage caused by too large shock of the compressor 4 is avoided. The connecting plate 6 is correspondingly provided with a fastener penetrating through the connecting plate 6 and the shock pad 7, so that the fastener can limit the displacement of the connecting plate 6, and the compressor 4 is prevented from generating displacement and causing collision damage.

Referring to fig. 2, the condenser 5 includes an outer frame 53 and a plurality of heat dissipation fins 52 parallel to each other, the plurality of heat dissipation fins 52 are disposed in the middle of the outer frame 53 in parallel to each other, both ends of the heat dissipation fins 52 are respectively fixed to both sides of the outer frame 53, and the heat dissipation fins 52 are communicated with the inside of the outer frame 53, and the high-temperature and high-pressure gaseous refrigerant respectively and uniformly flows into each heat dissipation fin 52 through the outer frame 53, and transfers heat to the outside by using the outer walls of each heat dissipation fin 52, thereby accelerating the condensation of the high-temperature and high-pressure refrigerant into the medium-temperature and high-pressure refrigerant.

As shown in fig. 4, in order to increase the condensing efficiency of the condenser 5 on the refrigerant, the battery heat management device further includes a fan 8, the fan 8 is disposed on the box 1 and is disposed opposite to the condenser 5, and the fan 8 continuously sweeps the condenser 5, so as to accelerate the heat dissipation of each cooling fin 52, further accelerate the cooling liquefaction of the refrigerant, and improve the condensing efficiency of the condenser 5.

The battery heat management equipment further comprises a protective air guide cover 10, wherein the protective air guide cover 10 is fixedly installed on the side wall of the box body 1 and located on the outer side of the fan 8, the protective air guide cover 10 plays a role in air guide, meanwhile, further protection is provided for the fan 8, and safety is improved.

As shown in fig. 1, preferably, the battery heat management device further comprises a protective shell 9, the protective shell 9 is located on the outer side of the protective air guiding cover 10 and fixedly connected with the outer side of the box body 1, the protective shell 9 can further protect the fan 8 and simultaneously play a role in protecting the protective air guiding cover 10, and the protective air guiding cover 10 can be effectively prevented from being damaged by collision in the vehicle running process.

Referring to fig. 1, in this embodiment, a liquid inlet 11 and a liquid outlet 12 are disposed on a box 1, two ends of the liquid inlet 11 are respectively communicated with an outlet of a battery pack and a heat exchanger through a pipeline, wherein one end of the liquid inlet located outside the box 1 is connected with the outlet of the battery pack, one end of the liquid inlet located inside the box 1 is communicated with the heat exchanger, an inlet end of a liquid pump is communicated with the heat exchanger, and two ends of the liquid outlet 12 are respectively communicated with an inlet of the battery pack and an outlet end of the liquid pump through pipelines, thereby forming a communicated circulation loop. After the heat that the battery package produced is absorbed to the coolant liquid, in the flow outlet from the battery package flowed through inlet 11 gets into the heat exchanger, carry out the heat exchange with the refrigerant in the heat exchanger, thereby cool down the coolant liquid, the entrance point from the liquid pump is again followed to the cryogenic cooling liquid that flows out from the heat exchanger gets into the liquid pump, the liquid pump is carried the coolant liquid again to the battery package through liquid outlet 12, thereby continuously cool down the battery package, make the battery package maintain at stable temperature interval, guarantee the safety in utilization of battery package.

The liquid inlet 11 and the liquid outlet 12 are both provided with temperature sensors, so that the temperature of the cooling liquid after absorbing the heat of the battery pack and the temperature after cooling can be known in real time.

As shown in the combined drawing 3, the bottom and the side wall of the box body 1 are provided with a plurality of heat dissipation holes 13, so that good ventilation inside the box body can be ensured, on one hand, the heat dissipation capability of the inside of the box body 1 can be increased, and on the other hand, the blower 8 can be ensured to suck enough air volume to purge the condenser 5.

In this embodiment, the arrangement and shape of the heat dissipation holes 13 are not limited, the arrangement of the heat dissipation holes 13 may be horizontal, vertical, or staggered, and the shape of the heat dissipation holes 13 may be circular, elliptical, or semi-elliptical.

In the description herein, references to the terms "an embodiment," "one embodiment," and "one implementation," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or implementation is included in at least one embodiment or example implementation of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or implementation. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or implementations.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. The battery heat management equipment is characterized by comprising a box body (1), a starting device (2), a liquid pump and a pipeline, wherein the pipeline and the liquid pump are arranged in the box body (1), the pipeline is filled with cooling liquid, the liquid pump is suitable for driving the cooling liquid to a battery pack, the starting device (2) is arranged on the outer side of the box body (1), the starting device (2) is electrically connected with the liquid pump, and the starting device (2) is suitable for restarting the liquid pump.

2. The battery heat management device according to claim 1, further comprising a bent tube (3), wherein the bent tube (3) is arranged at an outer side wall of the case (1), wherein the activation means (2) is arranged on the bent tube (3), and wherein the bent tube (3) is adapted to adjust the position of the activation means (2).

3. A battery thermal management apparatus according to claim 2, characterized in that the activation means (2) is a jog switch.

4. The battery heat management apparatus according to claim 1, further comprising a refrigerant circulation circuit and a heat exchanger disposed within the tank (1), the refrigerant circulation circuit being filled with a refrigerant, the coolant and the refrigerant being adapted to exchange heat within the heat exchanger, the refrigerant circulation circuit including a compressor (4) and a condenser (5) connected end-to-end, the compressor (4) being adapted to drive the refrigerant to the condenser (5).

5. Battery heat management device according to claim 4, characterized in that it further comprises a fixing plate (51), said condenser (5) being adapted to be fixed on said tank (1) by means of said fixing plate (51).

6. Battery heat management device according to claim 5, characterized in that the fixing plate (51) is provided with an arc-shaped face, which fits against the side wall of the condenser (5).

7. Battery heat management device according to claim 4, characterized in that it further comprises a connection plate (6) and a shock pad (7), said compressor (4) being suitable to be fixed on said connection plate (6), said shock pad (7) being arranged between said connection plate (6) and said tank (1), said connection plate (6) and said shock pad (7) being suitable to be connected by means of a fastener.

8. The battery heat management apparatus according to claim 1, wherein the activation device (2) is provided with a protective cover adapted to protect the activation device (2).

9. The battery heat management device according to claim 4, further comprising a fan (8), the fan (8) being arranged on the tank (1) opposite to the condenser (5).

10. The battery thermal management device according to claim 9, further comprising a protective casing (9), said protective casing (9) being arranged outside said case (1), said protective casing (9) being adapted to protect said fan (8).

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