CN217846236U - Gas detection device and battery energy storage system - Google Patents
Gas detection device and battery energy storage system Download PDFInfo
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- CN217846236U CN217846236U CN202221291834.9U CN202221291834U CN217846236U CN 217846236 U CN217846236 U CN 217846236U CN 202221291834 U CN202221291834 U CN 202221291834U CN 217846236 U CN217846236 U CN 217846236U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a gaseous detection device and battery energy storage system, gaseous detection device includes the support, gas circulation subassembly and determine module, the support is located to the gas circulation subassembly, the gas circulation subassembly is equipped with many branch pipes, a branch pipe is used for and a battery package intercommunication, and many branch pipe negative pressure settings to extract the gas in the battery package, determine module includes controller and a plurality of detector, the support is located to the controller, a plurality of detectors all with controller communication connection, a detector correspondence is located in a branch pipe, in order to detect the gas through the branch pipe. When the detector detects that the combustible gas passes through the branch pipe, the detector sends a signal to the controller, and the controller receives the signal and then calculates the signal, namely, the battery pack which generates the combustible gas can be positioned according to a preset mapping relation. The technical scheme of this application conveniently checks to play the early warning effect to a certain extent, provide the reference for subsequent fire control action.
Description
Technical Field
The utility model relates to an energy storage system technical field, in particular to gaseous detection device and battery energy storage system.
Background
At present, the safety problem becomes a key factor for selecting a battery energy storage system, and when liquid cooling is used as a heat management method, most manufacturers on the market design the protection level of a battery pack to be higher, and the space inside the battery pack is relatively closed. If combustible gas is generated inside the battery pack and cannot escape in time, the combustible gas is accumulated in the battery pack, and great potential safety hazard exists.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a gaseous detection device aims at in time detecting the inside combustible gas who produces of battery package to in time fix a position the battery package that corresponds.
In order to achieve the above object, the utility model provides a gas detection device, gas detection device is used for being connected with the group battery, gas detection device includes:
a support;
the gas circulation assembly is arranged on the bracket and provided with a plurality of branch pipes, one branch pipe is used for being communicated with a battery pack, and the plurality of branch pipes are arranged at negative pressure so as to extract gas in the battery pack; and
the detection assembly comprises a controller and a plurality of detectors, the controller is arranged on the support, the detectors are in communication connection with the controller, one of the detectors is correspondingly arranged in the branch pipe, and the gas passing through the branch pipe is detected.
In one embodiment, the gas circulation assembly further comprises:
a main gas pipe which is communicated with the branch pipes; and
the air pump is arranged on the support and electrically connected with the controller, and the air pump is connected with the main air pipe and used for pumping air in the main air pipe.
In one embodiment, each branch pipe is provided with a pipeline switch, and the pipeline switch is arranged between the battery pack and the detector.
In one embodiment, the pipeline switch is a ball valve.
In one embodiment, the main gas pipe and the branch pipe are both PVC pipes;
and/or, the gas detection device further comprises a power supply, the power supply is arranged on the bracket and electrically linked with the air pump and the controller;
and/or the branch pipes are horizontally arranged.
In one embodiment, the gas detection device further comprises a warning component, and the warning component is arranged on the bracket and electrically connected with the controller.
In one embodiment, the warning assembly includes a plurality of warning lamps, the warning lamps are all electrically connected to the controller, and one of the warning lamps is correspondingly disposed on one of the branch pipes.
In an embodiment, the warning component further includes a buzzer, and the buzzer is disposed on the bracket and electrically connected to the controller.
The utility model discloses still provide a battery energy storage system, battery energy storage system includes:
a battery pack including a plurality of battery packs; and
a gas detection device according to any one of the above;
the battery pack is provided with an accommodating cavity, a first opening and a second opening, the first opening and the second opening are communicated with the accommodating cavity, the branch pipe is communicated with the accommodating cavity through the first opening, and the accommodating cavity is communicated with the outside through the second opening.
In one embodiment, the battery energy storage system comprises a plurality of battery packs, the gas detection device is provided with a plurality of groups of branch pipes, one group of branch pipes is correspondingly connected with one battery pack, and the plurality of groups of branch pipes are communicated and arranged in a negative pressure mode;
and/or a plurality of battery packs are longitudinally overlapped or horizontally laid;
and/or a dustproof net is arranged at the second opening.
The technical scheme of this application is connected through a plurality of branch pipes and a plurality of battery package one-to-one, gas in the battery package is constantly discharged through the branch pipe, establish a detector in each branch pipe, a plurality of detectors and the controller communication connection who locates the support, when the detector detects in the branch pipe when combustible gas, send signal to the controller, the controller is resolved after receiving the signal, can be according to the battery package that preset mapping relation location produced combustible gas, convenient investigation, and play the early warning effect to a certain extent, provide the reference for subsequent fire control action.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a battery energy storage system of the present invention;
fig. 2 is a schematic structural diagram of another embodiment of the battery energy storage system of the present invention;
FIG. 3 is a schematic structural diagram of an embodiment of the gas detecting device of the present invention;
fig. 4 is a schematic structural diagram of an embodiment of the battery pack of the present invention.
The reference numbers indicate:
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, back, 8230; \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
Furthermore, the descriptions in the present application related to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or to imply that the number of technical features indicated are implicitly being indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
For the realization in time detect the combustible gas of the inside production of battery package 210 to the purpose of the battery package 210 that in time fix a position the correspondence, the utility model provides a gaseous detection device 100, this gaseous detection device 100 is used for being connected with group battery 200.
Referring to fig. 1 to 4, in some embodiments of the present disclosure, the gas detecting apparatus 100 includes a support 10, a gas circulation assembly 30 and a detecting assembly 50, the gas circulation assembly 30 is disposed on the support 10, the gas circulation assembly 30 is provided with a plurality of branch pipes 35, one branch pipe 35 is used for communicating with a battery pack 210, the plurality of branch pipes 35 are under negative pressure to extract gas in the battery pack 210, the detecting assembly 50 includes a controller 51 and a plurality of detectors 53, the controller 51 is disposed on the support 10, the plurality of detectors 53 are all in communication with the controller 51, and one detector 53 is correspondingly disposed in one branch pipe 35 to detect gas passing through the branch pipe 35.
In one embodiment, the battery pack 200 is disposed in a suitable energy storage space, and the gas detection device 100 is disposed adjacent to the battery pack 200 and connected to the battery pack 200. Optionally, the support frame 10 stands in the energy storage space and has a mounting plate on one side surface, on which at least part of the structure of the gas circulation assembly 30 and the controller 51 are located. The bracket 10 is disposed at one side of the battery pack 200, and a plurality of branch pipes 35 are connected to the battery pack 200 from one side of the battery pack 200, and specifically, the branch pipes 35 correspond to the battery packs 210 one to one. An end of the branch pipe 35 remote from the battery pack 210 may be connected to the air pump 31 or the negative pressure chamber so that the gas generated in the battery pack 210 is discharged through the branch pipe 35, and the detector 53 is provided in the branch pipe 35. When the detector 53 detects that the combustible gas passes through the branch pipe 35, a signal is sent to the controller 51, and it can be understood that the detectors 53 have a plurality of different signals, and the controller 51 receives the signals and then performs calculation, that is, the corresponding detector 53 can be positioned according to a preset mapping relationship, so as to position the battery pack 210 generating the combustible gas.
Of course, the controller 51 may receive multiple signals simultaneously and resolve the locations one by one.
From this, the technical scheme of this application is connected through a plurality of branch pipes 35 and a plurality of battery package 210 one-to-one, gaseous through branch pipe 35 constantly discharge in the battery package 210, establish a detector 53 in each branch pipe 35, a plurality of detectors 53 and the controller 51 communication connection who locates support 10, when detector 53 detects in the branch pipe 35 through combustible gas, send the signal to controller 51, controller 51 resolves after receiving the signal, can fix a position the battery package 210 that produces combustible gas according to the mapping relation that predetermines, convenient investigation, and play the early warning effect to a certain extent, provide the reference for subsequent fire control action.
Referring to fig. 2 and 3, in an embodiment, the air circulation assembly 30 further includes a main air pipe 33 and an air pump 31, the main air pipe 33 is connected to the plurality of branch pipes 35, the air pump 31 is disposed on the support frame 10 and electrically connected to the controller 51, and the air pump 31 is connected to the main air pipe 33 and is used for pumping air in the main air pipe 33.
In this embodiment, the air pump 31 continuously pumps the air in the main air pipe 33 and discharges the air to the outside, so that the air of the battery pack 210 can continuously flow through the branch pipe 35 into the main air pipe 33. The controller 51 can control the on/off and power of the air pump 31, so as to conveniently control the circulation of the air in the air circulation assembly 30 and the circulation rate, so as to adapt to different detection conditions.
Optionally, the controller 51 is integrally packaged with the air pump 31 to improve integration and save space.
In one embodiment, each branch 35 is provided with a line switch, which is disposed between the battery pack 210 and the detector 53. In this embodiment, the pipeline switch is disposed in front of the detector 53, and when a certain branch pipe 35 is not connected to the battery pack 210, the pipeline switch can be turned off, so as to avoid the influence of the outside air on the detector 53 and protect the internal structure of the pipeline.
Further, the gas detection device 100 may be standardized, and when the gas detection device is connected to different battery packs 200, and the number of the battery packs 210 is less than that of the branch pipes 35 according to the number of the battery packs 210 in the battery pack 200, the pipeline switches of the redundant branch pipes 35 may be closed, so as to ensure that the remaining branch pipes 35 correspond to the battery packs 210 one-to-one, and reduce external influences.
Optionally, in an embodiment, the pipeline switch is a ball valve, and the pipeline switch is simple and reliable in structure and convenient to install. Of course, the arrangement form of the pipeline switch is not limited to this, and it may be a stop valve in other forms as long as the function is ensured.
In one embodiment, the main gas pipe 33 and the branch pipe 35 are both PVC pipes, which are light in weight, good in air tightness and convenient to install. Alternatively, the main air pipe 33 and the branch pipe 35 may also be made of metal, composite material, etc., which is not limited herein, and only needs to ensure smooth circulation of air.
The gas detecting device 100 further comprises a power source 70, wherein the power source 70 is disposed on the bracket 10 and electrically connected to the air pump 31 and the controller 51. In this embodiment, the controller 51 and the detector 53 of each branch pipe 35 are connected by a wire inside thereof.
Further, the branch pipes 35 are horizontally disposed to ensure smooth air flow.
In one embodiment, the gas detection apparatus 100 further comprises a warning component, which is disposed on the bracket 10 and electrically connected to the controller 51. When the detector 53 detects that combustible gas passes through the branch pipe 35, the signal is sent to the controller 51, the controller 51 receives the signal and then calculates the signal, and the warning component is controlled to warn so as to prompt related personnel to process in time and avoid potential safety hazards.
Optionally, in an embodiment, the warning assembly includes a plurality of warning lamps, each of the warning lamps is electrically connected to the controller 51, and one warning lamp is correspondingly disposed on one of the branch pipes 35. In this embodiment, the warning light may be disposed near the detector 53 or near the battery pack 210, when the detector 53 detects that combustible gas passes through the branch pipe 35, a signal is sent to the controller 51, the detectors 53 have a plurality of different signals, the controller 51 receives the signal and then calculates, that is, the corresponding detector 53 is positioned according to a preset mapping relationship, and then the controller 51 sends out an assignment to the warning light corresponding to the branch of the detector 53, controls the light or the flash thereof, so that the related personnel can quickly position the battery pack 210 generating combustible gas.
Alternatively, the warning light may be yellow or red in color, with a longer wavelength and penetration.
In one embodiment, the warning component further includes a buzzer disposed on the bracket 10 and electrically connected to the controller 51. The controller 51 can control the matching of the buzzer and the warning lamp, so that the buzzer and the warning lamp are more easily noticed. In addition, the buzzer and the warning light can be combined to generate a plurality of warning conditions, so that relevant personnel can more carefully master the current state of the system, for example:
in the first case, the warning light is on and the buzzer does not sound, in which case the concentration of the combustible gas is not high or there are fewer battery packs 210 that generate the combustible gas;
in the second case, the warning lamp blinks and the buzzer sounds, and in this case, the concentration of the combustible gas is high or the number of the battery packs 210 generating the combustible gas is large.
Related personnel can quickly make corresponding countermeasures according to different conditions.
Referring to fig. 1 to 4, the present invention further provides a battery energy storage system 1000, the battery energy storage system 1000 includes a battery pack 200 and a gas detection device 100, the battery pack 200 includes a plurality of battery packs 210, and the specific structure of the gas detection device 100 refers to the above-mentioned embodiments; referring to fig. 4, a receiving chamber and a first opening 210a and a second opening 210b communicating with the receiving chamber are formed in the battery pack 210, the branch pipe 35 communicates with the receiving chamber through the first opening 210a, and the receiving chamber communicates with the outside through the second opening 210 b. Since the battery energy storage system 1000 adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and details are not repeated here.
In one embodiment, the battery energy storage system 1000 includes a plurality of battery packs 200, the gas detection device 100 is provided with a plurality of sets of branch pipes 35, one set of branch pipes 35 is correspondingly connected to one battery pack 200, and the plurality of sets of branch pipes 35 are communicated and set under negative pressure.
Further, the plurality of battery packs 210 are stacked longitudinally or laid horizontally, i.e., the arrangement of the battery packs 210 is not limited.
The second opening 210b is provided with a dust screen, optionally, to improve the protection capability, the sealing grade of the battery pack 210 often needs IP65 grade and above, and the second opening 210b can allow gas to pass through in two directions to form a circulation with the gas circulation assembly 30.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A gas detection device for connection to a battery pack, the gas detection device comprising:
a support;
the gas circulation assembly is arranged on the bracket and provided with a plurality of branch pipes, one branch pipe is used for being communicated with a battery pack, and the plurality of branch pipes are arranged at negative pressure so as to extract gas in the battery pack; and
the detection assembly comprises a controller and a plurality of detectors, the controller is arranged on the support, the detectors are in communication connection with the controller, one of the detectors is correspondingly arranged in the branch pipe, and the gas passing through the branch pipe is detected.
2. The gas detection apparatus of claim 1, wherein the gas circulation assembly further comprises:
a main gas pipe which is communicated with the branch pipes; and
the air pump is arranged on the support and electrically connected with the controller, and the air pump is connected with the main air pipe and used for pumping air in the main air pipe.
3. The gas detection apparatus of claim 2, wherein each of the branch pipes is provided with a pipe switch, and the pipe switch is provided between the battery pack and the detector.
4. The gas detection apparatus of claim 3, wherein the line switch is a ball valve.
5. The gas detection apparatus of claim 2, wherein the main gas pipe and the branch pipe are both PVC pipes;
and/or, the gas detection device further comprises a power supply, the power supply is arranged on the bracket and is electrically connected with the air pump and the controller;
and/or the branch pipes are horizontally arranged.
6. The gas detection apparatus of claim 1, further comprising a warning assembly disposed on the bracket and electrically connected to the controller.
7. The gas detection device as claimed in claim 6, wherein the warning assembly comprises a plurality of warning lamps, each of the warning lamps is electrically connected to the controller, and one of the warning lamps is correspondingly disposed on one of the branch pipes.
8. The gas detection device of claim 7, wherein the warning assembly further comprises a buzzer disposed on the support and electrically connected to the controller.
9. A battery energy storage system, comprising:
a battery pack including a plurality of battery packs; and
a gas detection device according to any one of claims 1 to 8;
the battery pack is provided with an accommodating cavity, a first opening and a second opening, the first opening and the second opening are communicated with the accommodating cavity, the branch pipe is communicated with the accommodating cavity through the first opening, and the accommodating cavity is communicated with the outside through the second opening.
10. The battery energy storage system of claim 9, wherein the battery energy storage system comprises a plurality of battery packs, the gas detection device is provided with a plurality of groups of branch pipes, one group of branch pipes is correspondingly connected with one battery pack, and the plurality of groups of branch pipes are communicated and arranged in a negative pressure mode;
and/or a plurality of battery packs are longitudinally overlapped or horizontally laid;
and/or a dust screen is arranged at the second opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221291834.9U CN217846236U (en) | 2022-05-26 | 2022-05-26 | Gas detection device and battery energy storage system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221291834.9U CN217846236U (en) | 2022-05-26 | 2022-05-26 | Gas detection device and battery energy storage system |
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| CN217846236U true CN217846236U (en) | 2022-11-18 |
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| CN202221291834.9U Active CN217846236U (en) | 2022-05-26 | 2022-05-26 | Gas detection device and battery energy storage system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116840423A (en) * | 2023-08-29 | 2023-10-03 | 宁德时代新能源科技股份有限公司 | Energy storage device and gas concentration detection method thereof |
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2022
- 2022-05-26 CN CN202221291834.9U patent/CN217846236U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116840423A (en) * | 2023-08-29 | 2023-10-03 | 宁德时代新能源科技股份有限公司 | Energy storage device and gas concentration detection method thereof |
| CN116840423B (en) * | 2023-08-29 | 2024-02-20 | 宁德时代新能源科技股份有限公司 | Energy storage device and gas concentration detection method thereof |
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