CN219350393U - Cooling liquid leakage protection device for battery cluster - Google Patents

Abstract

The utility model provides a cooling liquid leakage protection device for a battery cluster, which comprises a support frame, a refrigerating assembly and a drainage assembly, wherein the refrigerating assembly and the drainage assembly are arranged on the support frame, the support frame is provided with a plurality of accommodating cavities for accommodating an inserting box, the refrigerating assembly comprises a plurality of liquid cooling plates and communication pipelines, the liquid cooling plates are in one-to-one correspondence with the accommodating cavities, each liquid cooling plate is respectively arranged in the corresponding accommodating cavity, the drainage assembly comprises a plurality of water receiving plates, the water receiving plates are in one-to-one correspondence with the liquid cooling plates, and each water receiving plate is arranged on the support frame and is positioned below each liquid cooling plate and a corresponding communication pipeline connecting point. According to the cooling liquid leakage protection device for the battery cluster, the cooling assembly is arranged on the supporting frame, so that the plug box can be cooled conveniently, meanwhile, the water receiving disc is arranged on the supporting frame and below the connecting point of the liquid cooling plate and the communication pipeline, so that the cooling liquid leaked from the connecting point can be received conveniently, and the cooling liquid is prevented from contacting other high-pressure plug boxes effectively, and potential safety hazards are generated.

Description

Cooling liquid leakage protection device for battery cluster

Technical Field

The utility model relates to the technical field of battery packs, in particular to a cooling liquid leakage protection device for a battery cluster.

Background

Aiming at the problem of condensed water, a small part of factories can add a dehumidifying air conditioner to reduce the relative humidity of air so as to solve the problem of condensed water from the source. However, the container space is large, solid barriers are large, and the air humidity far away from the dehumidifying air conditioner or part of corner positions cannot be effectively reduced. The general countermeasure is to reinforce the waterproof of the high-pressure tank connector, which cannot completely avoid the problem; or the high-pressure tank is placed on the top layer, but the placement mode is inconvenient for the installation operation of staff.

The method aims at the problem of leakage of the cooling liquid at the position of the quick connector, no corresponding countermeasure exists at present, the precision of the quick connector is improved only through the plugging test of a reinforced pipeline provider, but the risk problem is quite high because the field device has no protective measure and the cooling liquid leaks in the test process.

Disclosure of Invention

In view of the above, the present utility model is directed to a protection device for leakage of cooling liquid for battery clusters, so as to reduce potential safety hazards caused by leakage of cooling liquid in a battery pack.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

the utility model provides a coolant liquid leakage protection device for battery cluster, includes the support frame, locates the refrigeration subassembly on the support frame, and locates the drainage subassembly on the support frame;

the support frame is provided with a plurality of accommodating cavities for accommodating the plug boxes, the refrigerating assembly comprises a plurality of liquid cooling plates and communication pipelines for communicating the liquid cooling plates with external liquid supply equipment, the liquid cooling plates are in one-to-one correspondence with the accommodating cavities, and each liquid cooling plate is respectively arranged in the corresponding accommodating cavity and can support the plug boxes in the accommodating cavity;

the drainage assembly comprises a plurality of water receiving discs, the water receiving discs are in one-to-one correspondence with the liquid cooling plates, each water receiving disc is arranged on the support frame and located below each liquid cooling plate and the corresponding connecting point of the communication pipeline.

Further, the support frame comprises a plurality of support columns and a plurality of partition plates connected between the support columns;

the partition plates are arranged at intervals in the height direction of the supporting upright post, and the accommodating cavity is formed between every two adjacent partition plates.

Further, the communication pipeline comprises a communication main pipe and a plurality of groups of communication branch pipes connected with the communication main pipe, the communication main pipe is arranged on one side of the support frame, and the plurality of groups of communication branch pipes are respectively in one-to-one correspondence with the plurality of liquid cooling plates.

Further, the communicating branch pipe comprises a water inlet pipe and a water return pipe, the water inlet pipe is connected with the water inlet of the liquid cooling plate, and the water return pipe is connected with the water outlet of the liquid cooling plate.

Further, each water receiving disc is provided with a drain hole, and the drain holes are used for guiding the cooling medium in the water receiving disc to drain.

Further, a drain pipe is arranged on the support frame, and is communicated with each drain hole and can guide the cooling medium in the water receiving disc to be discharged.

Further, the drain pipe comprises a drain main pipe and a plurality of drain branch pipes communicated with the drain main pipe, wherein the drain main pipe is arranged on the support frame, and each drain branch pipe is respectively communicated with each drain hole.

Further, the water receiving disc is detachably connected with the supporting frame, and/or the drainage main pipe is detachably connected with the supporting frame.

Further, a flow sensor is arranged on the supporting frame and used for monitoring the flow of the cooling medium in the drainage main pipe.

Compared with the prior art, the utility model has the following advantages:

according to the cooling liquid leakage protection device for the battery cluster, the cooling assembly is arranged on the supporting frame, so that the plug boxes can be cooled conveniently, meanwhile, the water receiving disc is arranged on the supporting frame and below the connecting point of the liquid cooling plate and the communication pipeline, so that the cooling liquid leaked from the connecting point can be received conveniently, and the cooling liquid is prevented from contacting other high-pressure plug boxes effectively, and potential safety hazards are generated.

In addition, the support frame includes a plurality of support posts and division board, forms between support post and the division board and holds the chamber, is convenient for hold a plurality of subracks, the range upon range of setting of subracks of being convenient for. One side of the support frame is provided with a communication main pipe, and the communication main pipe is communicated with a plurality of communication branch pipes connected with the liquid cooling plates, so that cooling mediums can be conveniently filled into the liquid cooling plates at the same time.

In addition, the drain hole is arranged on the water receiving disc, so that the drainage of the cooling medium and the condensed water in the water receiving disc is conveniently guided. And be equipped with the drain pipe on the support frame, drain pipe and each wash port intercommunication can be convenient for collect the liquid in the water collector, effectively avoid the drainage in-process, liquid splashes and causes the potential safety hazard on the high-pressure subrack. The water pan is detachably connected with the support frame, so that the water pan can be conveniently replaced. And set up flow sensor on the support frame for flow in the monitoring drainage is responsible for, can be convenient for give staff alarm information in time, reduce subsequent risk.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 is a schematic view showing the overall structure of a coolant leakage protection device for a battery pack according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a drain assembly according to an embodiment of the present utility model;

fig. 3 is a schematic view of a drain assembly according to another embodiment of the utility model.

Reference numerals illustrate:

1. a support frame; 101. a support column; 102. a partition plate; 2. a refrigeration assembly; 201. a liquid cooling plate; 202. a communicating main pipe; 203. a communicating branch pipe; 2031. a water inlet pipe; 2032. a water return pipe; 3. a water receiving tray; 301. a drain hole; 4. a drain pipe; 401. a drainage main pipe; 402. drainage branch pipes; 5. an inserting box; 6. a flow sensor.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "inner", "back", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, in the description of the present utility model, the terms "mounted," "connected," and "connected," are to be construed broadly, unless otherwise specifically defined. For example, the connection can be fixed connection, detachable connection or integrated connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in combination with specific cases.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

The present embodiment relates to a coolant leakage protection device for a battery pack, which includes, in its entire configuration, a support frame 1, a refrigeration unit 2 provided on the support frame 1, and a drainage unit provided on the support frame 1, as shown in fig. 1.

Wherein, support frame 1 has a plurality of holding chambers that are used for holding subrack 5, and refrigeration subassembly 2 includes a plurality of liquid cooling boards 201 to and the intercommunication pipeline that communicates liquid cooling board 201 and outside liquid supply equipment, liquid cooling board 201 and holding the chamber one-to-one, and each liquid cooling board 201 locates the holding intracavity that corresponds respectively, and can support and hold the subrack 5 that holds the intracavity.

In addition, the drainage assembly comprises a plurality of water receiving discs 3, the water receiving discs 3 are in one-to-one correspondence with the liquid cooling plates 201, and each water receiving disc 3 is arranged on the support frame 1 and is positioned below each liquid cooling plate 201 and a corresponding connecting point of the communication pipeline.

The coolant leakage protection device for the battery cluster of the embodiment can be convenient for cool the plug box 5 by arranging the refrigeration component 2 on the support frame 1, meanwhile, the water pan 3 is arranged on the support frame 1, the water pan 3 is arranged below the connection point of the liquid cooling plate 201 and the communication pipeline, can be convenient for receiving the coolant leaked from the connection point, and effectively avoids the coolant from contacting other high-pressure plug boxes 5 to generate potential safety hazards.

Based on the overall description of the above structure, an exemplary structure of the coolant leakage prevention device for a battery cluster of the present embodiment is shown in fig. 1, the support frame 1 includes four support posts 101 and a plurality of partition plates 102 connected between the four support posts 101, and the plurality of partition plates 102 are arranged at intervals in the height direction of the support posts 101, and a receiving chamber is formed between adjacent partition plates 102. The number of the partition plates 102 may be determined according to the number of the insert boxes 5 in actual situations.

It should be noted that, generally, the high-voltage plug-in box 5 is arranged at the bottom of the battery cluster, and the conventional plug-in box 5 is arranged in other accommodating spaces, wherein the high-voltage plug-in box 5 is arranged at the bottommost part, so that the installation operation can be facilitated, and meanwhile, when an emergency occurs, the maintenance operation is timely performed.

The refrigeration unit 2 includes a liquid cooling plate 201 provided at the bottom of each of the cassettes 5, and a communication line for communicating the liquid cooling plate 201 with external liquid supply equipment. As a preferred embodiment, the communication line includes a communication main pipe 202 and a plurality of sets of communication branch pipes 203 connected to the communication main pipe 202. Wherein, two communicating main pipes 202 are arranged at one side of the supporting frame 1, and a plurality of communicating branch pipes 203 are respectively in one-to-one correspondence with a plurality of liquid cooling plates 201.

Referring to fig. 1, the communication main pipe 202 is provided on the right side of the support frame 1 and extends in the height direction of the support column 101. Wherein, corresponding to the position of each accommodating cavity, a plurality of groups of communicating branch pipes 203 are respectively arranged on the communicating main pipe 202, and the end part of the communicating main pipe 202 is connected with external liquid supply equipment. The cooling medium in the liquid supply device enters different communicating branch pipes 203 through the communicating main pipe 202 respectively, and finally enters the liquid cooling plate 201 to perform a heat exchange process.

And preferably, the communicating sub-pipe 203 comprises a water inlet pipe 2031 and a water return pipe 2032, wherein the water inlet pipe 2031 is connected with the water inlet of the liquid cooling plate 201, and the water return pipe 2032 is connected with the water outlet of the liquid cooling plate 201. The cooling medium in the communication main pipe 202 enters the liquid cooling plate 201 through the water inlet pipe 2031 to complete heat exchange, and finally returns to the other communication main pipe 202 through the water outlet pipe to flow to the liquid supply device.

The water inlet pipe 2031 and the water outlet pipe are connected with the liquid cooling plate 201 through quick connectors, so that the structure is simple, the connection mode is convenient, but the connection precision of the quick connectors is low due to the installation error of installation personnel, and the problem of leakage of cooling medium is caused. Or the quick connector is used for a long time, and the self structure of the quick connector is worn, so that the problem of leakage of cooling medium is caused.

In addition, during the use of the insert box 5, heat is generated by the insert box 5, at this time, the liquid cooling plate 201 is filled with a cooling medium to exchange heat with the insert box 5, and during the heat exchange, if the air humidity near the insert box 5 is high, the air reaches a saturated state when encountering the cooling medium with low temperature, so that condensed water is precipitated near the communicating pipe and the quick connector.

To avoid leakage of the cooling medium or dripping of condensed water in the upper-side tank 5, normal use of the other tanks 5 below is affected. In this embodiment, a water pan 3 is provided on the support plate for receiving the leaked cooling medium. Referring specifically to fig. 1 and 2, a water tray 3 is provided on each partition plate 102, and the position of the water tray 3 is located below the quick connector. The middle part of the water receiving disc 3 is concave to form a groove shape so as to be convenient for receiving cooling medium.

In addition, in order to facilitate the discharge of the cooling medium or condensed water in the water receiving trays 3, as a preferred embodiment, each water receiving tray 3 is provided with a drain hole 301, and the drain holes 301 are used for guiding the discharge of the cooling medium in the water receiving tray 3. Referring to fig. 3, a drain hole 301 is provided at a position near an end of one side of the drip tray 3, so as to guide the liquid in the drip tray 3 to drain from the side of the drip tray 3. It can be understood that in this embodiment, the position of the drain hole 301 may be further disposed at other positions of the water receiving tray 3, and may be selectively disposed according to practical situations.

In this embodiment, as a preferred embodiment, the water-receiving tray 3 is detachably connected to the support frame 1, so that the water-receiving tray 3 is convenient to disassemble, assemble and replace. Specifically, the water pan 3 and the support frame 1 can be in threaded connection, so that a high connection effect is achieved. Of course, other connection modes such as clamping and the like can also be adopted.

Or, in this embodiment, the water pan 3 may be welded on the support frame 1, so as to further ensure the connection stability between the two.

It should be noted that, the length of the water receiving tray 3 is set to be greater than the distance L1 between the water inlet pipe 2031 and the water inlet and the water return pipe 2032 and the water outlet, so as to ensure that the liquid can completely enter the water receiving tray 3. And, the thickness of the water pan 3 is smaller than the interval L2 between the partition plate 102 and the insert box 5 at the lower side thereof, so as to avoid interference of the water pan 3 to the insert box 5.

In the present embodiment, the drain pipe 4 is provided in the support frame 1, and the drain pipe 4 communicates with each drain hole 301 and can guide the discharge of the cooling medium in the water pan 3. As a specific preferred embodiment, the drain pipe 4 includes a drain main pipe 401 and a plurality of drain branch pipes 402 communicating with the drain main pipe 401, the drain main pipe 401 is provided on the support frame 1, and each drain branch pipe 402 communicates with each drain hole 301. Referring to fig. 1 and 2, the main drainage pipe 401 is disposed at the left side of the support column 101, and a plurality of branch drainage pipes 402 are connected between the main drainage pipe 401 and the drainage holes 301, and the liquid on the water pan 3 enters the main drainage pipe 401 through the drainage holes 301 and is guided and transferred to the outside, so that the contact between the liquid and the plug box 5 can be effectively avoided, and potential safety hazards are generated.

Wherein, as a preference, the drainage main pipe 401 and the support frame 1 are arranged to be detachably connected, thereby facilitating the arrangement of the drainage main pipe 401 on the support frame 1. For example, the main drainage pipe 401 in this embodiment may be fixed to the support column 101 by a clip structure. It will be appreciated that other arrangements besides the provision of clips are possible and are not specifically limited herein.

In this example, as a preferred embodiment, the support frame 1 is provided with a flow sensor 6, and the flow sensor 6 is used to monitor the flow rate of the cooling medium in the drain main pipe 401. Referring to fig. 2, the flow sensor 6 is disposed at a position on the lower side of the left support column 101, and the drain main 401 at this position gathers all the liquid in the drain branch 402, and the flow sensor 6 is disposed at this position with high monitoring accuracy.

It should be noted that, because the amount of condensed water is generally small, the continuous water flow is not maintained, and the leakage of the cooling liquid is a continuous process, when the flow sensor 6 monitors that there is continuous water flow in the drainage main pipe 401, an alarm message is sent, so that a maintainer can be timely reminded to perform advanced maintenance, and the subsequent risk is reduced.

The coolant leakage protection device for a battery pack according to the present embodiment can guide the coolant from the start point of the coolant leakage to other places, thereby protecting the safe operation of electrical equipment such as the plug box 5. Meanwhile, a flow detector is arranged on the drain pipe 4, so that the liquid flow in the drain main pipe 401 can be detected, and the alarm information is given to maintenance personnel in time, so that maintenance is performed in time, and the generation of larger potential safety hazards is avoided.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (9)

1. A coolant leakage protection device for a battery cluster is characterized in that:

the device comprises a support frame, a refrigerating assembly arranged on the support frame and a drainage assembly arranged on the support frame;

the support frame is provided with a plurality of accommodating cavities for accommodating the plug boxes, the refrigerating assembly comprises a plurality of liquid cooling plates and communication pipelines for communicating the liquid cooling plates with external liquid supply equipment, the liquid cooling plates are in one-to-one correspondence with the accommodating cavities, and each liquid cooling plate is respectively arranged in the corresponding accommodating cavity and can support the plug boxes in the accommodating cavity;

the drainage assembly comprises a plurality of water receiving discs, the water receiving discs are in one-to-one correspondence with the liquid cooling plates, each water receiving disc is arranged on the support frame and located below each liquid cooling plate and the corresponding connecting point of the communication pipeline.

2. The coolant leakage protection device for a battery cluster according to claim 1, wherein:

the support frame comprises a plurality of support columns and a plurality of partition plates connected between the support columns;

the partition plates are arranged at intervals in the height direction of the supporting upright post, and the accommodating cavity is formed between every two adjacent partition plates.

3. The coolant leakage protection device for a battery cluster according to claim 1, wherein:

the communication pipeline comprises a communication main pipe and a plurality of groups of communication branch pipes connected with the communication main pipe, wherein the communication main pipe is arranged on one side of the support frame, and the plurality of groups of communication branch pipes are respectively in one-to-one correspondence with the plurality of liquid cooling plates.

4. The coolant leakage protection device for a battery cluster according to claim 3, wherein:

the communicating branch pipe comprises a water inlet pipe and a water return pipe, the water inlet pipe is connected with the water inlet of the liquid cooling plate, and the water return pipe is connected with the water outlet of the liquid cooling plate.

5. The coolant leakage protection device for a battery cluster according to claim 1, wherein:

and each water receiving disc is provided with a drain hole which is used for guiding the cooling medium in the water receiving disc to be discharged.

6. The coolant leakage protection device for a battery cluster according to claim 5, wherein:

the support frame is provided with a drain pipe which is communicated with each drain hole and can guide the cooling medium in the water receiving disc to be discharged.

7. The coolant leakage protection device for a battery cluster according to claim 6, wherein:

the drainage pipe comprises a drainage main pipe and a plurality of drainage branch pipes communicated with the drainage main pipe, the drainage main pipe is arranged on the support frame, and each drainage branch pipe is respectively communicated with each drainage hole.

8. The coolant leakage protection device for a battery cluster according to claim 7, wherein:

the water receiving disc is detachably connected with the supporting frame, and/or the drainage main pipe is detachably connected with the supporting frame.

9. The coolant leakage protection device for a battery cluster according to claim 7, wherein:

the support frame is provided with a flow sensor which is used for monitoring the flow of the cooling medium in the drainage main pipe.

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