CN110887770A - Smoke detection device and method for energy storage battery module - Google Patents
Smoke detection device and method for energy storage battery module Download PDFInfo
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- CN110887770A CN110887770A CN201911360868.1A CN201911360868A CN110887770A CN 110887770 A CN110887770 A CN 110887770A CN 201911360868 A CN201911360868 A CN 201911360868A CN 110887770 A CN110887770 A CN 110887770A
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- optical fiber
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- module
- energy storage
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- 238000001514 detection method Methods 0.000 title claims abstract description 31
- 239000000779 smoke Substances 0.000 title claims abstract description 27
- 238000004146 energy storage Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title abstract description 5
- 239000013307 optical fiber Substances 0.000 claims abstract description 62
- 238000012544 monitoring process Methods 0.000 claims abstract description 22
- 239000000835 fiber Substances 0.000 claims abstract description 4
- 238000005192 partition Methods 0.000 claims description 14
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 230000005622 photoelectricity Effects 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 231100000331 toxic Toxicity 0.000 abstract description 2
- 230000002588 toxic effect Effects 0.000 abstract description 2
- 239000011257 shell material Substances 0.000 description 27
- 239000007789 gas Substances 0.000 description 12
- 238000010586 diagram Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012983 electrochemical energy storage Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/38—Investigating fluid-tightness of structures by using light
-
- G01N15/075—
Abstract
The invention discloses a smoke detection device for an energy storage battery module and a detection method thereof. The invention has the beneficial effects that: and monitoring the independent energy storage battery module in real time. Directly carry out integrated design in battery module inside, utilize optic fibre smoke transducer to monitor the air current near electric core explosion-proof valve. The optical fiber has strong signal interference resistance and good durability, can be used in severe environments such as high temperature, high voltage and the like during optical fiber measurement, and has a sensitive and accurate monitoring function. The method not only increases the monitoring scale of the energy storage battery module, but also improves the monitoring efficiency of gas leakage, and greatly reduces safety accidents caused by toxic and harmful gas leakage.
Description
Technical Field
The invention relates to a smoke monitoring method, in particular to a smoke detection device for an energy storage battery module and a detection method thereof, and belongs to the technical field of power equipment monitoring.
Background
At present in energy storage container field, to the smog monitoring scheme that energy storage battery module provided, mainly be in the space between battery module outside and container inside, monitor whole container internal environment through installing the smoke transducer of a certain quantity.
In the prior art, the lithium iron phosphate battery has the advantages of high energy density, multiple cycle times, light weight, high performance and the like, so that the lithium iron phosphate battery becomes an indispensable important component in the electrochemical energy storage industry gradually, and is also widely applied to energy storage projects in various industries. However, when the lithium iron phosphate battery works normally, a lot of gases are generated due to internal chemical reaction, wherein the gases include flammable and explosive gases such as methane and toxic gases such as carbon monoxide.
In the prior art, the smoke sensors are few, so that the large-scale monitoring function cannot be realized; because the sensor itself is far away from the battery module, and its monitoring signal also receives electromagnetic environment's interference easily, leads to unable real-time, effectual degree of revealing of detecting corresponding gas.
Disclosure of Invention
The invention aims to solve the problems and provide a smoke detection device for an energy storage battery module and a detection method thereof.
The invention realizes the purpose through the following technical scheme: a smoke detection device for an energy storage battery module comprises a smoke detection device; the smoke detection device comprises an upper module shell, a lower module shell, an optical fiber demodulator, an insulating plate, an upper baffle bracket, a top baffle, an optical fiber sensor, an electric core explosion-proof valve, an electric core positive and negative pole, an electric core connecting block, a bottom tray and a mechanical screw, wherein the upper module shell and the lower module shell form a shell structure of the smoke detection device, the upper module shell is fixedly assembled with the lower module shell through the mechanical screw, the outer side wall of the lower module shell is fixedly connected with the optical fiber demodulator, the electric core is arranged in the lower module shell and is arranged on the bottom tray, the bottom tray is fixedly connected with the lower module shell through a bolt, the top baffle is arranged above the electric core, the upper end of the electric core is connected with the electric core explosion-proof valve and the electric core positive and negative pole, the optical fiber sensor is embedded in the top baffle, the optical fiber sensor is in photoelectric connection with the optical fiber demodulator, the positive pole and the negative pole of the battery cell are connected through a battery cell connecting block, the upper shell of the module is fixedly connected with an upper clapboard support through bolts, an insulating plate is arranged between the upper shell of the module and the upper clapboard support, and the upper clapboard support is positioned right above the optical fiber sensor;
the detection method comprises the following steps:
firstly, fixing a bottom tray with a lower shell of a battery module in a bolt connection mode;
secondly, placing the lithium iron phosphate cells into the grooves of the bottom tray one by one, and then placing a top clapboard above the cells, wherein the top clapboard is mainly used for finishing the relative fixation of the cells so as to ensure that adjacent cells are not contacted with each other;
designing slotted holes according to the corresponding cell sizes to completely expose the cell positive and negative poles of the cell and the cell explosion-proof valve, and fixing the cell connecting block and the cell positive and negative poles in a welding mode to realize series-parallel connection between the cells;
fourthly, placing the optical fiber part of the optical fiber sensor on the top partition plate in an embedded mode, corresponding to the positions of the anti-explosion valves of the battery cells, and when the gas leakage condition occurs to the battery cells, monitoring the leaked gas nearby the anti-explosion valves of the battery cells firstly;
fixing the upper clapboard support and the upper module shell in a bolt connection mode, wherein the upper clapboard support is just above the optical fiber, so that the optical fiber can be relatively fixed;
fixing the optical fiber demodulator and the lower module shell in a bolt connection mode, and then connecting the optical fiber to the optical fiber demodulator to complete communication connection of corresponding electrical parts;
fixing the upper module shell and the lower module shell in a bolt connection mode, and fixing and connecting all structural parts and electrical components;
and step eight, when the battery core works, light beams incident from a light source near the battery core explosion-proof valve are sent to the optical fiber demodulator through the optical fiber, the light beams interact with external measured parameters in the optical fiber demodulator to change the optical properties of the light to form modulated light signals, the modulated light signals are sent to the photoelectric device through the optical fiber and the measured parameters are obtained through the demodulator, and whether the gas leakage occurs in the battery core can be known through comparing the parameters, so that the smoke monitoring function in the energy storage battery module is realized.
As a still further scheme of the invention: the bottom tray is made of plastic parts.
As a still further scheme of the invention: the shell material is the sheet metal component under the module.
The invention has the beneficial effects that: the smoke detection device for the energy storage battery module and the detection method thereof are reasonable in design, and can be used for monitoring the independent energy storage battery module in real time. Directly carry out integrated design in battery module inside, utilize optic fibre smoke transducer to monitor the air current near electric core explosion-proof valve. The optical fiber has strong signal interference resistance and good durability, the optical fiber can be used in severe environments such as high temperature and high voltage during measurement, and has a sensitive and accurate monitoring function.
Drawings
FIG. 1 is an exploded view of the components of the apparatus of the present invention;
FIG. 2 is a schematic view of a monitoring structure of the optical fiber sensor according to the present invention;
FIG. 3 is a schematic perspective view of the present invention;
fig. 4 is a schematic diagram of a cell installation three-dimensional structure according to the present invention;
fig. 5 is a schematic diagram of a cell installation plan view structure according to the present invention.
In the figure: 1. the module upper housing, 2, module lower housing, 3, optical fiber demodulator, 4, insulation board, 5, upper baffle support, 6, top baffle, 7, optical fiber sensor, 8, electric core, 9, electric core explosion-proof valve, 10, electric core positive and negative poles, 11, electric core connecting block, 12, bottom tray and 13, machine screw.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1 to 5, a smoke detection device for an energy storage battery module is composed of an upper module housing 1, a lower module housing 2, an optical fiber demodulator 3, an insulating plate 4, an upper partition support 5, a top partition 6, an optical fiber sensor 7, a battery cell 8, a battery cell explosion-proof valve 9, battery cell positive and negative poles 10, a battery cell connecting block 11, a bottom tray 12 and a mechanical screw 13, wherein the upper module housing 1 and the lower module housing 2 form a housing structure of the smoke detection device, the upper module housing 1 is assembled and fixed with the lower module housing 2 through the mechanical screw 13, the outer side wall of the lower module housing 2 is fixedly connected with the optical fiber demodulator 3, the battery cell 8 is arranged in the lower module housing 2, the battery cell 8 is mounted on the bottom tray 12, and the bottom tray 12 is fixedly connected with the lower module housing 2 through a bolt, a top partition plate 6 is placed above the battery cell 8, the upper end of the battery cell 8 is connected with a battery cell explosion-proof valve 9 and battery cell positive and negative poles 10, an optical fiber sensor 7 is embedded on the top partition plate 6, the optical fiber sensor 7 is in photoelectric connection with an optical fiber demodulator 3, the battery cell positive and negative poles 10 are connected through a battery cell connecting block 11, the module upper shell 1 is fixedly connected with an upper partition plate bracket 5 through bolts, an insulating plate 4 is arranged between the module upper shell 1 and the upper partition plate bracket 5, and the upper partition plate bracket 5 is positioned right above the optical fiber sensor 7;
the detection method comprises the following steps:
firstly, fixing a bottom tray 12 with a lower shell of a battery module in a bolt connection mode;
secondly, placing the lithium iron phosphate cells into the grooves of the bottom tray 12 one by one, and then placing the top partition plate 6 above the cells 8, wherein the top partition plate 6 is mainly used for finishing the relative fixation of the cells 8 so as to ensure that adjacent cells 8 are not contacted with each other;
designing slotted holes according to the corresponding sizes of the electric cores 8 to enable the electric core positive and negative poles 10 and the electric core explosion-proof valve 9 of the electric cores 8 to be completely exposed, and fixing the electric core connecting block 11 and the electric core positive and negative poles 10 in a welding mode to realize series-parallel connection between the electric cores 8;
fourthly, placing the optical fiber part of the optical fiber sensor 7 on the top partition plate 6 in an embedded mode, corresponding to the positions of the battery cell explosion-proof valves, and when the battery cell 8 generates a gas leakage condition, monitoring the leaked gas near the battery cell explosion-proof valve 9 firstly;
step five, fixing the upper clapboard support 5 and the module upper shell 1 in a bolt connection mode, wherein the upper clapboard support 5 is just above the optical fiber, and the relative fixation of the optical fiber position can also be realized;
step six, fixing the optical fiber demodulator 3 and the module lower shell 2 in a bolt connection mode, and then connecting the optical fiber to the optical fiber demodulator 3 to complete communication connection of corresponding electrical parts;
seventhly, fixing the upper module shell 1 and the lower module shell 2 in a bolt connection mode, and fixing and connecting all structural parts and electrical components;
step eight, when the battery cell 8 works, light beams incident from a light source near the battery cell explosion-proof valve 9 are sent to the optical fiber demodulator 3 through the optical fiber, the optical properties of the light are changed through the interaction with external measured parameters in the optical fiber demodulator 3 to form modulated light signals, the modulated light signals are sent to the photoelectric device through the optical fiber and the measured parameters are obtained through the demodulator, whether the gas leakage occurs in the battery cell can be known through comparing the parameters, and therefore the smoke monitoring function in the energy storage battery module is achieved.
Further, in the embodiment of the present invention, the bottom tray 12 is made of a plastic material, and can bear and separate the battery cells 8.
Further, in the embodiment of the invention, the module lower shell 2 is made of a sheet metal part and serves as a shell of the battery module, and can bear various components.
The working principle is as follows: when the smoke detection device for the energy storage battery module and the detection method thereof are used, real-time monitoring is carried out on the independent energy storage battery module. Directly carry out integrated design in battery module inside, utilize optic fibre smoke transducer to monitor the air current near electric core explosion-proof valve. The optical fiber has strong signal interference resistance and good durability, can be used in severe environments such as high temperature, high voltage and the like during optical fiber measurement, and has a sensitive and accurate monitoring function. The method not only increases the monitoring scale of the energy storage battery module, but also improves the monitoring efficiency of gas leakage, and can greatly reduce safety accidents caused by toxic and harmful gas leakage.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. The utility model provides a smog detection device for energy storage battery module which characterized in that: the smoke detection device comprises an upper module shell (1), a lower module shell (2), an optical fiber demodulator (3), an insulating plate (4), an upper partition plate support (5), a top partition plate (6), an optical fiber sensor (7), an electric core (8), an electric core explosion-proof valve (9), positive and negative electric core poles (10), an electric core connecting block (11), a bottom tray (12) and mechanical screws (13), wherein the upper module shell (1) and the lower module shell (2) form a shell structure of the smoke detection device, the upper module shell (1) is fixedly assembled with the lower module shell (2) through the mechanical screws (13), the outer side wall of the lower module shell (2) is fixedly connected with the optical fiber demodulator (3), the electric core (8) is arranged in the lower module shell (2), and the electric core (8) is arranged on the bottom tray (12), bottom tray (12) carry out fixed connection through shell (2) under bolt and the module, top baffle (6) have been placed to the top of electric core (8), the upper end of electric core (8) is connected with electric core explosion-proof valve (9) and electric core positive and negative utmost point post (10), optical fiber sensor (7) have been inlayed on top baffle (6), just optical fiber sensor (7) carry out the photoelectricity with optic fibre demodulator (3) and are connected, connect through electric core connecting block (11) between electric core positive and negative utmost point post (10), shell (1) goes up baffle support (5) through bolt fixedly connected with on the module, just be equipped with insulation board (4) between shell (1) and last baffle support (5) on the module, just go up baffle support (5) and be located optical fiber sensor (7) directly over.
2. The smoke detection device and the detection method for the energy storage battery module as claimed in claim 1, wherein: the bottom tray (12) is made of plastic parts.
3. The smoke detection device and the detection method for the energy storage battery module as claimed in claim 1, wherein: the material of the lower shell (2) of the module is a sheet metal part.
4. A detection method of the smoke detection device for the energy storage battery module according to any one of claims 1 to 3, wherein the detection method comprises the following steps:
the detection method comprises the following steps of,
firstly, fixing a bottom tray (12) with a lower shell of a battery module in a bolt connection mode;
secondly, placing the lithium iron phosphate cells into grooves of a bottom tray (12) one by one, and then placing a top clapboard (6) above the cells (8), wherein the top clapboard 6 is mainly used for finishing the relative fixation of the cells 8 so as to ensure that adjacent cells 8 are not contacted with each other;
designing slotted holes according to the corresponding sizes of the electric cores 8 to enable the positive and negative electric core poles (10) and the explosion-proof electric core valve (9) of the electric cores 8 to be completely exposed, and fixing the electric core connecting blocks (11) and the positive and negative electric core poles (10) in a welding mode to realize series-parallel connection between the electric cores 8;
fourthly, placing the optical fiber part of the optical fiber sensor (7) on the top partition plate (6) in an embedded mode, corresponding to the positions of the battery cell explosion-proof valves, and when the battery cell (8) has a gas leakage condition, monitoring the leaked gas nearby the battery cell explosion-proof valve (9) firstly;
fixing the upper clapboard support (5) and the module upper shell (1) in a bolt connection mode, wherein the upper clapboard support (5) is just above the optical fiber, and the relative fixation of the position of the optical fiber can also be realized;
sixthly, fixing the optical fiber demodulator (3) and the lower module shell (2) in a bolt connection mode, and then connecting the optical fiber to the optical fiber demodulator (3) to complete communication connection of corresponding electrical parts;
seventhly, fixing the upper module shell (1) and the lower module shell (2) in a bolt connection mode, and fixing and connecting all structural parts and electrical components;
step eight, when the battery cell (8) works, light beams incident from a light source near the battery cell explosion-proof valve (9) are sent into the optical fiber demodulator (3) through the optical fiber, and are interacted with external measured parameters in the optical fiber demodulator (3), so that the optical properties of the light are changed to form modulated light signals, the modulated light signals are sent into the photoelectric device through the optical fiber, the measured parameters are obtained through the demodulator, whether the gas leakage of the battery cell occurs or not can be known through comparing the parameters, and therefore the smoke monitoring function inside the energy storage battery module is achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911360868.1A CN110887770A (en) | 2019-12-25 | 2019-12-25 | Smoke detection device and method for energy storage battery module |
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| CN201911360868.1A CN110887770A (en) | 2019-12-25 | 2019-12-25 | Smoke detection device and method for energy storage battery module |
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| CN201911360868.1A Pending CN110887770A (en) | 2019-12-25 | 2019-12-25 | Smoke detection device and method for energy storage battery module |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111430618A (en) * | 2020-04-08 | 2020-07-17 | 上海豫源电力科技有限公司 | Soft package battery module and manufacturing method thereof |
| CN111463510A (en) * | 2020-04-14 | 2020-07-28 | 上海豫源电力科技有限公司 | Soft package battery module and manufacturing method thereof |
| CN111463516A (en) * | 2020-04-14 | 2020-07-28 | 上海豫源电力科技有限公司 | Soft package battery module and manufacturing method thereof |
| CN111896134A (en) * | 2020-07-22 | 2020-11-06 | 傲普(上海)新能源有限公司 | Distributed temperature measurement method for battery pack |
-
2019
- 2019-12-25 CN CN201911360868.1A patent/CN110887770A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111430618A (en) * | 2020-04-08 | 2020-07-17 | 上海豫源电力科技有限公司 | Soft package battery module and manufacturing method thereof |
| CN111430618B (en) * | 2020-04-08 | 2021-03-12 | 傲普(上海)新能源有限公司 | Soft package battery module and manufacturing method thereof |
| CN111463510A (en) * | 2020-04-14 | 2020-07-28 | 上海豫源电力科技有限公司 | Soft package battery module and manufacturing method thereof |
| CN111463516A (en) * | 2020-04-14 | 2020-07-28 | 上海豫源电力科技有限公司 | Soft package battery module and manufacturing method thereof |
| CN111463510B (en) * | 2020-04-14 | 2021-05-11 | 傲普(上海)新能源有限公司 | Soft package battery module and manufacturing method thereof |
| CN111896134A (en) * | 2020-07-22 | 2020-11-06 | 傲普(上海)新能源有限公司 | Distributed temperature measurement method for battery pack |
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