CN218957837U

CN218957837U - Liquid cooling energy storage cabinet

Info

Publication number: CN218957837U
Application number: CN202222805652.5U
Authority: CN
Inventors: 李德胜; 冯守旺; 刘博�; 梅若愚
Original assignee: Qing'an Energy Storage Technology Chongqing Co ltd
Current assignee: Qing'an Energy Storage Technology Chongqing Co ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-05-02
Anticipated expiration: 2032-10-24

Abstract

The utility model discloses a liquid cooling energy storage cabinet which comprises a cabinet body, a current collecting and monitoring assembly and a plurality of current collecting plates, wherein a plurality of battery modules are arranged in the cabinet body, the current collecting and monitoring assembly is arranged at the rear side of the cabinet body, a plurality of current collecting holes penetrating through the current collecting and monitoring assembly are arranged in the cabinet body, the current collecting plates are respectively arranged at the lower sides of the battery modules, and the current guiding parts are respectively arranged on the current collecting plates and are connected with the current collecting holes one by one so as to guide leakage to the current collecting and monitoring assembly. According to the technical scheme provided by the utility model, through the battery module and the current collecting plate which are arranged at intervals, after leakage occurs, the leakage can be timely isolated from the battery module, so that the problem that the leakage is continuously contacted with the battery module to soak the battery and the electric contact piece is avoided, the dropped leakage can be guided to the current collecting monitoring assembly through the flow guiding part, and after the leakage occurs, the current collecting monitoring assembly can rapidly monitor and guide the leakage, and the leakage is prevented from penetrating and flowing downwards in the cabinet body to further generate damage.

Description

Liquid cooling energy storage cabinet

Technical Field

The utility model relates to the field of liquid cooling energy storage equipment, in particular to a liquid cooling energy storage cabinet.

Background

The liquid cooling energy storage system is an energy storage technology which is newly developed in recent years, is a temperature control technology for temperature management of batteries, and can accurately manage the temperature of each battery cell through convection heat exchange of cooling liquid cooling heat dissipation, and has the characteristics of high temperature consistency, high integration level, high volume energy density, convenience in maintenance and the like. Generally, liquid-cooled energy storage systems include a large number of batteries and require a large amount of heat dissipation, and therefore require a large number of liquid-cooled pipes, pipe joints, and the like. When the pipeline is installed, the liquid cooling pipeline is tested and the liquid cooling system is maintained, the risk of liquid leakage exists. Due to the complexity of the on-site process arrangement of the liquid cooling circulation system and the conventional use loss of the system itself, liquid leakage is one of the most common problems of the liquid cooling circulation system. After the coolant in the pipeline leaks, if enter into the battery, will cause the battery to soak, short circuit fault appears, and the battery also will scrap, and when the liquid submerges the electrical contact piece, also can cause serious short circuit fault, finally leads to equipment to shut down, influences the use of energy storage equipment. Therefore, protection design is necessary for leakage occurring in the liquid-cooled energy storage system.

At present, most liquid cooling energy storage cabinets are usually at cabinet body bottom place a plurality of water logging sensor and detect the weeping condition, belong to liquid cooling energy storage equipment trouble and take place the back detection, seriously the loss to equipment has not been recovered or resumes, do not have the mechanism that can derive the weeping fast after taking place the weeping simultaneously, the weeping easily flows to next floor, gets into in battery or the electrical contact spare that does not take place the weeping, damage scope enlarges.

Disclosure of Invention

The utility model mainly aims to provide a liquid cooling energy storage cabinet, which aims to solve the problem that the existing liquid cooling energy storage cabinet lacks a liquid leakage protection design.

In order to achieve the above object, the present utility model provides a liquid cooling energy storage cabinet, wherein the liquid cooling energy storage cabinet includes:

a cabinet body in which a plurality of battery modules are installed;

the collecting and monitoring assembly is arranged at the rear side of the cabinet body, and a plurality of collecting holes penetrating and connected to the collecting and monitoring assembly are arranged in the cabinet body; the method comprises the steps of,

the plurality of current collecting plates are respectively arranged at the lower sides of the plurality of battery modules and are arranged at intervals up and down with the battery modules so as to bear leakage of the battery modules, so as to isolate the battery modules from the leakage, the plurality of current collecting plates are respectively provided with a flow guiding part, and the plurality of flow guiding parts are connected with the plurality of current collecting holes one by one so as to guide the leakage to the current collecting monitoring assembly, so that the leakage is monitored and dredged by the current collecting monitoring assembly.

Optionally, the flow guiding part is a flow guiding surface formed by a plurality of inclined planes, and the inclined planes incline towards the collecting hole.

Optionally, the flow guiding part is a concave curved flow guiding surface inclined to the flow collecting hole.

Optionally, the water-proof coating is coated on the flow guiding surface.

Optionally, the current collection monitoring component comprises a guide plate and a liquid leakage sensor, the guide plate is arranged at the rear side of the cabinet body and extends along the up-down direction, a plurality of guide grooves connected with the current collection holes are arranged in the guide plate, and the liquid leakage sensor is arranged in the guide grooves.

Optionally, the current collecting monitoring assembly further comprises a current collector arranged at the lower side of the flow guide plate, and a current collecting groove connected with the flow guide groove is penetrated at the upper side of the container.

Optionally, compartments are arranged on two lateral sides of the cabinet body, wherein one of the compartments is internally provided with a liquid inlet pipeline, and the other compartment is internally provided with a liquid outlet pipeline;

the guide plate is internally provided with a cavity, and two lateral sides of the cavity are respectively connected to the liquid inlet pipeline and the liquid outlet pipeline.

Optionally, a plurality of flow channels extending along the front-back direction are arranged in the cavity.

Optionally, the battery module includes liquid cooling structure and battery core group, the feed liquor pipeline with the drain pipe is connected to the liquid cooling structure, the liquid cooling structure with be equipped with the interlayer between the battery core group, the interlayer is equipped with the water conservancy diversion extremely the mass flow passageway of current collecting plate.

Optionally, a plurality of battery frames extending along the transverse direction are arranged in the cabinet body, and a plurality of battery modules are respectively arranged on a plurality of battery frames.

According to the technical scheme provided by the utility model, through the battery module and the current collecting plate which are arranged at intervals, after leakage occurs, the leakage can be timely isolated from the battery module, so that the problem that the leakage is continuously contacted with the battery module to soak the battery and the electric contact piece is avoided, the current collecting plate is provided with the flow guiding part, the dropped leakage can be guided to the current collecting monitoring assembly through the flow guiding part, and after the leakage occurs, the current collecting monitoring assembly can rapidly monitor and guide the leakage, so that the leakage is prevented from penetrating and flowing downwards in the cabinet body and further being damaged.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of an embodiment of a liquid-cooled energy storage cabinet provided by the utility model;

FIG. 2 is a schematic perspective view of the liquid-cooled energy storage cabinet of FIG. 1 in another direction;

FIG. 3 is a schematic cross-sectional view of the liquid-cooled energy storage cabinet of FIG. 1;

FIG. 4 is a schematic cross-sectional view of the liquid-cooled energy storage cabinet of FIG. 1;

FIG. 5 is a schematic partial cross-sectional view of the liquid-cooled energy storage cabinet of FIG. 1;

FIG. 6 is a schematic view of the concave curved flow guiding surface in FIG. 1;

fig. 7 is a schematic view of the inclined flow guiding surface in fig. 1.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				100	Liquid cooling energy storage cabinet	21	Deflector plate
1	Cabinet body	22	Liquid leakage sensor
				2	Current collecting monitoring assembly	23	Current collector
3	Current collecting plate	211	Diversion trench
				11	Battery module	231	Flow collecting groove
12	Collecting hole	31	Flow guiding part
				13	Liquid inlet pipeline	32	Flow guiding surface
14	Liquid outlet pipeline	33	Cavity body
				15	Battery rack	331	Flow passage
16	Compartment

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

At present, a plurality of water logging sensors are placed at the bottom of a cabinet body to detect the leakage condition, the detection is carried out after the failure of liquid cooling energy storage equipment occurs, the loss of the equipment is serious, the equipment cannot be recovered or recovered, a mechanism capable of rapidly leading out the leakage is not provided after the leakage occurs, the leakage easily flows to the next layer, the leakage enters a battery or an electric contact piece which is not subjected to the leakage, the damage range is enlarged, and the problem is high.

In order to solve the above-mentioned problems, the present utility model provides a liquid-cooled energy storage cabinet 100, and fig. 1 to 7 are specific embodiments of the liquid-cooled energy storage cabinet provided by the present utility model.

Referring to fig. 1 to 2, the liquid-cooled energy storage cabinet 100 includes a cabinet body 1, a current collecting and monitoring assembly 2 and a plurality of current collecting plates 3, a plurality of battery modules 11 are installed in the cabinet body 1, the current collecting and monitoring assembly 2 is disposed at the rear side of the cabinet body 1, a plurality of current collecting holes 12 penetrating through and connected to the current collecting and monitoring assembly 2 are disposed in the cabinet body 1, a plurality of current collecting plates 3 are disposed at the lower sides of the plurality of battery modules 11 and are vertically spaced from the battery modules 11 to receive the leakage of the battery modules 11 so as to isolate the battery modules 11 from the leakage, a plurality of current collecting plates 3 are respectively provided with a plurality of current guiding portions 31, and a plurality of current collecting holes 12 are connected to the current guiding portions 31 one by one so as to guide the leakage to the current collecting and monitoring assembly 2, so as to monitor and drain the leakage through the current collecting and monitoring assembly 2.

One or more battery modules 11 may be disposed on the current collecting plate 3, when a plurality of battery modules 11 are disposed, the flow guiding portion 31 may be a plurality of funnel-shaped liquid receiving funnels disposed on the lower sides of the battery modules 11, the lower outlets of the plurality of liquid receiving funnels are all provided with a pipeline guiding to the current collecting hole 12, meanwhile, the flow guiding portion 31 may also be disposed as an inclined plane inclined to the current collecting hole 12 on the upper side of the current collecting plate 3, and the current collecting monitoring assembly 2 may be connected to an alarm, and when liquid leakage occurs, the alarm signal is timely monitored, and prompt a manager to respond rapidly.

According to the technical scheme provided by the utility model, through the battery module 11 and the current collecting plate 3 which are arranged at intervals, after leakage occurs, the leakage can be timely isolated from the battery module 11, the problem that the leakage continuously contacts with the battery module 11 and soaks the battery and the electric contact piece is avoided, the current collecting plate 3 is provided with the flow guiding part 31, the dropped leakage can be guided to the current collecting monitoring assembly 2 through the flow guiding part 31, and after the leakage occurs, the current collecting monitoring assembly 2 can rapidly monitor and guide the leakage, so that the leakage is prevented from penetrating and flowing downwards in the cabinet body 1 and further generating damage.

Referring to fig. 7, the flow guiding portion 31 is a flow guiding surface 32 formed by a plurality of inclined planes, the inclined planes incline toward the collecting hole 12, and the flow guiding portion 31 is an inclined plane, which is suitable for the situation that one battery module 11 or a plurality of battery modules 11 are arranged on the collecting plate 3, when leakage occurs, the leakage drops to the flow guiding surface 32 formed by a plurality of inclined planes, and the leakage flows along the inclined planes toward the collecting hole 12 under the action of gravity, so that the collecting and monitoring assembly 2 can timely monitor and guide the leakage.

Further, referring to fig. 6, in addition to the flow guiding surface 32 formed by a plurality of inclined surfaces, that is, the inclined surface type flow guiding surface 32, the flow guiding portion 31 may be a concave curved surface type flow guiding surface 32 inclined to the collecting hole 12, and the concave curved surface type flow guiding surface 32 is opposite to the inclined surface type flow guiding surface 32, so that the splashing of the leaked liquid when the leaked liquid drops on the guide surface can be reduced, the outward splashing of the leaked liquid can be avoided, and the risk of damage to other components can be reduced.

When the leaked liquid falls on the current collecting plate 3, part of the leaked liquid can be adsorbed on the current collecting plate 3, and the temperature in the liquid cooling energy storage cabinet 100 is higher, so that the leaked liquid adsorbed on the current collecting plate 3 is evaporated into water vapor, the humidity in the liquid cooling energy storage cabinet 100 is overlarge, in order to avoid the problem, the water-proof coating is coated on the flow guiding surface 32, the current collecting plate 3 has a self-cleaning effect similar to that of lotus leaves, and the adsorption of the leaked liquid is greatly reduced.

Further, referring to fig. 3, the current collecting and monitoring assembly 2 includes a baffle 21 and a leakage sensor 22, the baffle 21 is disposed at the rear side of the cabinet body 1 and extends along the vertical direction, a plurality of current collecting grooves 211 connected with the current collecting holes 12 are disposed in the baffle 21, the leakage sensor 22 is disposed in the current collecting grooves 211, the current guiding portion 31 guides the leakage to the current collecting holes 12, the leakage enters the current collecting grooves 211, the leakage sensor 22 is monitored after flowing through the current collecting grooves 22, the leakage sensor 22 is disposed at the lowest part of the current collecting grooves 211, the leakage sensor 22 senses when any layer leaks, and when each layer needs to be monitored, a channel for guiding the current is separately provided for each current collecting hole 12, and the leakage sensor 22 is disposed in each channel.

The collecting and monitoring assembly 2 further comprises a collector 23 arranged at the lower side of the guide plate 21, a collecting tank 231 connected with the guide groove 211 is arranged at the upper side of the container in a penetrating manner, the collecting tank 231 is arranged to collect the leaked liquid, the leaked liquid can be prevented from leaking out of the cabinet body 1, dirt and pollution are caused, and meanwhile the leaked liquid can be recycled.

Further, referring to fig. 4 and 5, compartments 16 are disposed on two lateral sides of the cabinet body 1, a liquid inlet pipe 13 is disposed in one of the compartments 16, a liquid outlet pipe 14 is disposed in the other compartment, a cavity 33 is disposed in the baffle 21, two lateral sides of the cavity 33 are respectively connected to the liquid inlet pipe 13 and the liquid outlet pipe 14, the liquid inlet pipe 13 is used for cooling liquid to enter the cavity 33, and the liquid outlet pipe 14 is used for cooling liquid to be discharged from the cavity 33, so that the cooling liquid circulates in the cavity 33, heat dissipation can be performed in the liquid cooling energy storage cabinet 100, and the temperature of the liquid cooling energy storage cabinet is reduced.

The cavity 33 is provided with a plurality of flow channels 331 extending along the front-rear direction, and the cooling liquid flows in the flow channels 331 after entering the cavity 33, so that the cooling liquid can fully flow in the cavity 33, the heat exchange efficiency is improved, and the heat dissipation of the inside of the liquid cooling energy storage cabinet 100 is fully achieved.

Further, the battery module 11 includes a liquid cooling structure and a battery core set, the liquid inlet pipe 13 and the liquid outlet pipe 14 are connected to the liquid cooling structure, an interlayer is disposed between the liquid cooling structure and the battery core set, the interlayer is provided with a current collecting channel for guiding the cooling liquid to the current collecting plate 3, the liquid inlet pipe 13 is used for allowing the cooling liquid to enter the liquid cooling structure, the liquid outlet pipe 14 is used for allowing the cooling liquid to be discharged from the liquid cooling structure, so that the cooling liquid circulates in the liquid cooling structure, and the battery core set can be cooled, the liquid inlet pipe 13, the liquid outlet pipe 14 and the liquid cooling structure are all communicated through the liquid cooling pipe, the interlayer can be semi-wrapped, the liquid cooling pipe and the battery core set are isolated, leakage liquid generated at an interface of the liquid cooling pipe and the liquid cooling structure is prevented from entering the battery core set, and the interlayer can be completely separated from the liquid cooling structure and the battery core set when the interlayer can also be completely wrapped, so that the liquid cooling structure and the battery core set can be completely wrapped, and the heat transfer material can be provided with high heat transfer efficiency, and the heat transfer efficiency can be realized, and the heat transfer efficiency can be improved; the separation layer of the semi-package type or the separation layer of the full package type is provided with a current collecting channel, the current collecting channel can be provided with an opening arranged on the separation layer, the opening is downwards arranged towards the current collecting plate 3, a pipeline connected with the separation layer can also be arranged, and an outlet of the pipeline is arranged towards the current collecting plate 3.

Referring to fig. 5, a plurality of battery frames 15 extending in a transverse direction are disposed in the cabinet body 1, a plurality of battery modules 11 are respectively mounted on the plurality of battery frames 15, and a plurality of battery modules 11 are mounted on the plurality of battery frames 15 one by one.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the specification and drawings of the present utility model or direct/indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. The utility model provides a liquid cooling energy storage cabinet which characterized in that includes:

a cabinet body in which a plurality of battery modules are installed;

2. The liquid-cooled energy storage cabinet of claim 1, wherein the flow guiding portion is a flow guiding surface comprising a plurality of inclined surfaces, and the plurality of inclined surfaces are inclined toward the collecting hole.

3. The liquid-cooled energy storage cabinet of claim 1, wherein the flow guide portion is a concave curved flow guide surface inclined toward the flow collecting hole.

4. A liquid-cooled energy storage cabinet according to claim 2 or 3, wherein the flow-guiding surface is coated with a water-resistant coating.

5. The liquid-cooled energy storage cabinet of claim 1, wherein the current collecting and monitoring assembly comprises a guide plate and a liquid leakage sensor, the guide plate is arranged at the rear side of the cabinet body and extends along the up-down direction, a guide groove connected with a plurality of current collecting holes is arranged in the guide plate, and the liquid leakage sensor is arranged in the guide groove.

6. The liquid-cooled energy storage cabinet of claim 5, wherein the current collection monitoring assembly further comprises a current collector arranged on the lower side of the guide plate, and a current collection groove connected with the current guide groove is formed on the upper side of the current collector in a penetrating manner.

7. The liquid-cooled energy storage cabinet of claim 5, wherein compartments are arranged on two lateral sides of the cabinet body, wherein one of the compartments is internally provided with a liquid inlet pipeline, and the other compartment is internally provided with a liquid outlet pipeline;

8. The liquid-cooled energy storage cabinet of claim 7, wherein a plurality of flow channels extending in a front-to-back direction are provided in the cavity.

9. The liquid-cooled energy storage cabinet of claim 7, wherein the battery module comprises a liquid-cooled structure and a battery core group, the liquid inlet pipeline and the liquid outlet pipeline are connected to the liquid-cooled structure, an interlayer is arranged between the liquid-cooled structure and the battery core group, and a flow collecting channel for guiding flow to the flow collecting plate is arranged on the interlayer.

10. The liquid-cooled energy storage cabinet of claim 1, wherein a plurality of battery frames extending in a transverse direction are arranged in the cabinet body, and a plurality of battery modules are respectively arranged on a plurality of battery frames.