CN108956718B - Combustible gas detection device, power supply device and electric automobile - Google Patents
Combustible gas detection device, power supply device and electric automobile Download PDFInfo
- Publication number
- CN108956718B CN108956718B CN201811033181.2A CN201811033181A CN108956718B CN 108956718 B CN108956718 B CN 108956718B CN 201811033181 A CN201811033181 A CN 201811033181A CN 108956718 B CN108956718 B CN 108956718B
- Authority
- CN
- China
- Prior art keywords
- combustible gas
- air pressure
- heat conduction
- gas detection
- detection device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 67
- 239000007789 gas Substances 0.000 claims abstract description 126
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 27
- 239000003054 catalyst Substances 0.000 claims abstract description 25
- 230000003647 oxidation Effects 0.000 claims abstract description 24
- 230000003197 catalytic effect Effects 0.000 claims abstract description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000001301 oxygen Substances 0.000 claims abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 5
- 238000006243 chemical reaction Methods 0.000 claims abstract description 4
- 230000008859 change Effects 0.000 claims abstract description 3
- 238000004891 communication Methods 0.000 claims description 10
- 239000003570 air Substances 0.000 description 33
- 238000010586 diagram Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
- G01N27/16—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by burning or catalytic oxidation of surrounding material to be tested, e.g. of gas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4228—Leak testing of cells or batteries
-
- 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
Abstract
The invention provides a combustible gas detection device, a power supply device and an electric automobile, wherein the combustible gas detection device comprises: a heat conducting shell with a closed accommodating space inside, wherein the closed accommodating space is provided with gas; the oxidation catalytic layer is arranged on the outer surface of the heat conduction shell and comprises a catalyst, and the catalyst is used for catalyzing the reaction of the combustible gas and oxygen around the heat conduction shell to generate heat when the combustible gas exists around the heat conduction shell so as to change the air pressure of the gas in the closed accommodating space; the air pressure detector is arranged on the heat conduction shell and communicated with the airtight accommodating space of the heat conduction shell, and the air pressure detector detects the air pressure value of air in the heat conduction shell; and the processor is connected with the air pressure detector and judges whether combustible gas exists around the heat conducting shell according to the detected air pressure value of the air pressure detector. Through the arrangement, the combustible gas is reliably and effectively detected.
Description
Technical Field
The invention relates to the technical field of batteries, in particular to a combustible gas detection device, a power supply device and an electric automobile.
Background
In electric vehicles, a power battery is generally used as a source of power for the vehicle. The power battery may include a plurality of battery packs, and the battery packs may have a problem of leakage during use. If the battery pack cannot be detected in time for maintenance when the battery pack leaks, the battery pack may malfunction, or even cause explosion of the power battery and the electric vehicle.
Therefore, it is an urgent need to provide a device capable of effectively and reliably detecting leakage of a battery pack.
Disclosure of Invention
In view of the above, the present invention provides a combustible gas detection device, a power supply device and an electric vehicle, so as to effectively solve the above technical problems.
The technical scheme provided by the invention is as follows:
a combustible gas detection device comprising:
the heat conduction device comprises a heat conduction shell, a heat conduction cover and a heat conduction cover, wherein a closed accommodating space is formed in the heat conduction shell, and gas is arranged in the closed accommodating space;
the oxidation catalytic layer is arranged on the outer surface of the heat conduction shell and comprises a catalyst, and the catalyst is used for catalyzing the reaction of the combustible gas and oxygen around the heat conduction shell to generate heat when the combustible gas exists around the heat conduction shell so as to change the air pressure of the gas in the closed accommodating space;
the air pressure detector is arranged on the heat conduction shell and communicated with the closed accommodating space of the heat conduction shell, and the air pressure detector detects the air pressure value of air in the heat conduction shell; and
and the processor is connected with the air pressure detector and judges whether combustible gas exists around the heat conducting shell according to the detected air pressure value of the air pressure detector.
Optionally, in the above combustible gas detection device, the combustible gas detection device further includes a first humidity sensor for detecting a first humidity value of the surface of the oxidation catalytic layer, the first humidity sensor is electrically connected to the processor, and the processor is further configured to determine whether a combustible gas exists around the heat conducting shell according to the first humidity value and the air pressure value.
Optionally, in the above combustible gas detection device, the combustible gas detection device further includes a second humidity sensor that detects a second humidity value of an ambient environment of the heat conducting housing, the second humidity sensor is electrically connected to the processor, and the processor is further configured to determine whether a combustible gas exists around the heat conducting housing according to the first humidity value, the second humidity value, and the air pressure value.
Optionally, in the above combustible gas detection device, the combustible gas detection device further includes a first temperature sensor for detecting a first temperature value of a surface of the oxidation catalytic layer, and a second temperature sensor for detecting a second temperature value of an ambient environment of the heat conducting shell, where the first temperature sensor and the second temperature sensor are electrically connected to the processor, and the processor is further configured to determine whether the combustible gas exists in the heat conducting shell according to the first temperature value, the second temperature value, and the air pressure value.
Optionally, in the above combustible gas detection device, the heat conducting housing includes a bottom wall, a top wall, and a side wall, the oxidation catalyst layer is disposed on the bottom wall and the side wall, and the gas pressure detector is disposed on the top wall and is communicated with the accommodating space.
Optionally, in the above combustible gas detection device, the combustible gas detection device further includes an alarm, and the alarm is electrically connected to the processor.
Optionally, in the above combustible gas detection device, the combustible gas detection device further includes a communication module associated with an upper computer, and the communication module is electrically connected with the processor.
The invention also provides a power supply device which comprises a battery pack, a packaging shell and the combustible gas detection device, wherein the battery pack and the combustible gas detection device are respectively arranged in the battery pack.
Optionally, in the above power supply device, the number of the battery packs is plural, the plural battery packs are arranged in the package case in an array manner, the number of the combustible gas detection devices is plural, and each of the combustible gas detection devices is respectively disposed at different positions of the package case.
The invention also provides an electric automobile, which comprises electric equipment and the power supply device, wherein the power supply device is electrically connected with the electric equipment to supply power to the electric equipment.
According to the combustible gas detection device, the power supply device and the electric automobile, the heat conduction shell is arranged, the oxidation catalytic layer is arranged on the outer surface of the heat conduction shell, the air pressure detector and the processor which are communicated with the airtight accommodating space of the heat conduction shell are arranged on the heat conduction shell, so that whether combustible gas exists around the heat conduction shell or not can be effectively and reliably detected, and safety of the power supply device and the electric automobile can be effectively guaranteed when the heat conduction shell is applied to the power supply device and the electric automobile.
In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a combustible gas detection device according to an embodiment of the present invention.
Fig. 2 is a connection block diagram of a combustible gas detection device provided by an embodiment of the invention.
Fig. 3 is a schematic structural diagram of a power supply device according to an embodiment of the present invention.
Fig. 4 is an application schematic diagram of a power supply device according to an embodiment of the present invention.
Icon: 10-a power supply device; 20-electric equipment; 100-combustible gas detection device; 110-a thermally conductive housing; a 120-oxidation catalytic layer; 130-an air pressure detector; 140-a processor; 150-a first humidity sensor; 160-a second humidity sensor; 170-a first temperature sensor; 180-a second temperature sensor; 190-an alarm; 210-a communication module; 300-battery pack; 500-packaging the shell.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only to distinguish the description, and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 and fig. 2, an embodiment of the present application provides a flammable gas detection device
100, the combustible gas detection device 100 comprises a heat conductive housing 110, an oxidation catalyst layer 120, a gas pressure detector 130, and a processor 140.
The heat conductive housing 110 has a sealed accommodating space therein, and a gas is contained in the sealed accommodating space. The oxidation catalyst layer 120 is disposed on an outer surface of the heat-conducting housing 110, and the oxidation catalyst layer 120 includes a catalyst for catalyzing, when a combustible gas exists around the heat-conducting housing 110, a reaction between the combustible gas and oxygen around the heat-conducting housing 110 to generate heat, so that a gas pressure of the gas in the closed accommodating space changes. The air pressure detector 130 is disposed in the heat-conducting housing 110 and is in communication with the sealed accommodating space of the heat-conducting housing 110, so as to detect the air pressure value of the air in the heat-conducting housing 110. The processor 140 is electrically connected to the air pressure detector 130, and is configured to determine whether a combustible gas exists around the heat conductive housing 110 according to the detected air pressure value of the air pressure detector 130.
Through the above arrangement, when the combustible gas is detected in the environment by using the combustible gas detection device 100, the combustible gas reacts with oxygen under the action of the catalyst to generate heat, and the heat is conducted to the gas in the closed accommodating space through the heat conducting shell 110, so that the gas in the accommodating space is heated, and the gas pressure in the accommodating space is increased, the gas pressure detector 130 detects the gas pressure value in the closed accommodating space in real time and sends the detected gas pressure value to the processor 140, and the processor 140 can determine that the combustible gas exists around the combustible gas detection device 100 when the gas pressure value detected by the gas pressure detector 130 is increased, so that the combustible gas is reliably and effectively detected.
The shape of the heat conducting housing 110 may be a regular shape such as a cuboid, a cube, a cylinder, or any irregular shape, which is not specifically limited herein, and may be set according to actual needs, and the heat conducting housing 110 may be made of a metal material, or any material with good heat conducting performance, which is not specifically limited herein.
Optionally, in this embodiment, the thermally conductive housing 110 includes a bottom wall, a top wall, and side walls.
The oxidation catalyst layer 120 may be completely coated on the heat conductive housing 110, or may be coated on a portion of the heat conductive housing 110, which is not particularly limited herein.
Alternatively, in the present embodiment, the oxidation catalyst layer 120 is disposed on the bottom wall and the side wall, and the air pressure detector 130 is disposed on the top wall and communicates with the accommodating space.
The types of the catalysts provided on the oxidation catalyst layer 120 may be one or more. To achieve oxidation catalysis of different combustible gases, in this embodiment,
the oxidizing agent disposed on the oxidation catalyst layer 120 is various, and may be, for example, but not limited to, manganese dioxide, platinum, copper, and/or potassium permanganate, and is not particularly limited herein.
The air pressure detector 130 may be disposed on the top wall, the bottom wall or the side wall of the heat conducting housing 110, which is not limited herein, and may be disposed according to actual requirements. Alternatively, in the present embodiment, the air pressure detector 130 is disposed on the top wall of the heat conductive housing 110.
The type of the air pressure detector 130 may be, but not limited to, an air pressure measuring tester, an air pressure detecting sensor, or an air pressure pump, which are not particularly limited herein, and may be set according to actual needs.
The processor 140 may be an integrated circuit chip with data processing capabilities, and the processor 140 may be a general-purpose processor including a central processing unit (Central Processing Unit, CPU), a network processor (Network Processor, NP), etc., a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, etc. The setting is not particularly limited here, and may be performed according to actual needs.
In general, water is generated during the oxidation process of the combustible gas, so as to ensure the reliability of detecting the combustible gas, in this embodiment, the combustible gas detecting apparatus 100 further includes a first humidity sensor 150 for detecting a first humidity value on the surface of the oxidation catalyst layer 120, where the first humidity sensor 150 is electrically connected to the processor 140, and the processor 140 is further configured to determine whether the combustible gas exists around the heat conductive housing 110 according to the first humidity value and the air pressure value.
Specifically, the processor 140 may store a preset humidity value, and when the first humidity value is greater than the preset humidity value, a combustible gas may exist, that is, the processor 140 may determine whether the combustible gas exists according to the first humidity value, the preset humidity value, and the air pressure value. The size of the set value is not particularly limited herein, and may be set according to actual requirements.
In order to further ensure the accuracy of the detection result of the combustible gas and avoid the influence of the humidity of the ambient air on the detection result of the humidity, optionally, in this embodiment, the combustible gas detection device 100 further includes a second humidity sensor 160 for detecting a second humidity value of the surrounding environment of the heat conducting housing 110, where the second humidity sensor 160 is electrically connected to the processor 140, and the processor 140 is further configured to determine whether the combustible gas exists around the heat conducting housing 110 according to the first humidity value, the second humidity value and the air pressure value.
Specifically, when the difference between the first humidity value and the second humidity value exceeds a preset value, it may be determined that the combustible gas has undergone an oxidation reaction at the position of the oxidation catalyst layer 120 to generate water, i.e. the combustible gas is present. The magnitude of the preset value is not particularly limited herein, and may be set according to actual requirements.
To further ensure the accuracy of the detection result of the combustible gas, in this embodiment, the combustible gas detection device 100 further includes a first temperature sensor 170 for detecting a first temperature value of the surface of the oxidation catalyst layer 120, and a second temperature sensor 180 for detecting a second temperature value of the surrounding environment of the heat-conducting housing 110. The first temperature sensor 170 and the second temperature sensor 180 are electrically connected to the processor 140, respectively, and the processor 140 is further configured to determine whether the combustible gas exists in the heat conductive housing 110 according to the first temperature value, the second temperature value, and the air pressure value.
Specifically, when the first temperature value is greater than the second temperature value, it may be determined that the combustible gas and the oxygen gas are present at the position of the oxidation catalyst layer 120 to perform the oxidation reaction, that is, the combustible gas is present around the combustible gas detection apparatus 100.
In order to realize that an effective and reliable prompt effect can be provided for a user when there is a leak of gas in the combustible gas detection device 100. In this embodiment, the combustible gas detection device 100 includes an alarm 190, where the alarm 190 is electrically connected to the processor 140, and the processor 140 controls the alarm 190 to send an alarm signal when the air pressure value detected by the air pressure detector 130 increases.
The alarm 190 may be an audible alarm, an optical alarm, an audible and visual alarm, or a short message alarm, which is not specifically limited herein, and may be set according to actual needs, which is not specifically limited herein.
In order to further play an effective and reliable role in prompting the user when there is a leak in the gas in the combustible gas detection device 100, in this embodiment, the combustible gas detection device 100 further includes a communication module 210 associated with a host computer, and the communication module 210 is electrically connected to the processor 140.
On the basis of the above, referring to fig. 3, the present invention further provides a power supply device 10, where the power supply device 10 includes a package case 500, a battery pack 300, and the above-mentioned combustible gas detection device 100, and the battery pack 300 and the combustible gas detection device 100 are respectively disposed in the battery pack 300.
When the battery pack 300 leaks, the reducing agent in the battery pack 300 may volatilize into the package case 500, and the combustible gas is generally present in the reducing agent, so that the battery pack 300 in the package case 500 can be detected by disposing the above-described combustible gas detection device 100 in the package case 500, that is, when the battery pack 300 leaks, the above-described combustible gas detection device 100 can be used to reliably and effectively detect the power supply device 10.
Since the power supply device 10 includes the combustible gas detection device 100, the power supply device 10 has the same or corresponding technical features as the combustible gas detection device 100 described above, and the detailed description of the combustible gas detection device 100 may refer to the detailed description of the combustible gas detection device 100 described above, which is not repeated herein.
The number of the battery packs 300 included in the power supply device 10 may be one or more, and optionally, in this embodiment, the number of the battery packs 300 included in the power supply device 10 is more than one, and the plurality of battery packs 300 are arranged in an array.
The number of the combustible gas detection devices 100 included in the power supply device 10 may be one or more, and is not particularly limited herein, in order to reliably and effectively detect the leakage condition of the battery pack 300 in the power supply device 10, in this embodiment, the number of the combustible gas detection devices 100 included in the power supply device 10 is more than one, and each of the combustible gas detection devices 100 is disposed at a different position of the package case 500.
The shape of the package housing 500 may be a square or column shape, or may be any irregular shape, which is not particularly limited herein, and may be set according to actual needs.
On the basis of the above, please refer to fig. 4, the present invention further provides an electric vehicle, which includes the electric device 20 and the power supply device 10, wherein the power supply device 10 is electrically connected with the electric device 20 to supply power to the electric device 20.
The electric device 20 may be, but is not limited to, a driving device, a central control device, a car light, etc., which is not particularly limited herein.
Since the electric vehicle includes the power supply device 10, the electric vehicle has the same or corresponding technical features as the power supply device 10, and detailed description of the power supply device 10 may be referred to as the detailed description of the electric vehicle.
In summary, according to the combustible gas detection device 100, the power supply device 10 and the electric vehicle provided by the invention, the heat conduction housing 110, the oxidation catalyst layer 120, the air pressure detector 130 and the processor 140 are provided in the combustible gas detection device 100 to reliably and effectively detect the combustible gas, so as to effectively ensure that when the combustible gas detection device 100 is applied to the power supply device 10 and the electric vehicle, the battery pack 300 in the power supply device 10 is effectively and reliably detected to effectively avoid the battery module failure caused by the leakage in the battery pack 300, and further to avoid the explosion of the power supply device 10 and the electric vehicle caused by the leakage of the battery pack 300. In addition, the accuracy of the detection result of the combustible gas is further ensured by providing the first humidity sensor 150, the second humidity sensor 160, the first temperature sensor 170 and the second temperature sensor 180, so that the accuracy of the detection result of the leakage of the battery pack 300 is further ensured. By providing the alarm 190 and the communication module 210, the user is effectively prompted when the combustible gas exists or the battery pack 300 leaks.
The above description is only of the specific embodiments of the invention, but the scope of the invention is not limited thereto, and those skilled in the art will appreciate that the present invention is not limited to the specific embodiments
It is intended that all such variations and modifications are within the scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A combustible gas detection device, comprising:
the heat conduction device comprises a heat conduction shell, a heat conduction cover and a heat conduction cover, wherein a closed accommodating space is formed in the heat conduction shell, and gas is arranged in the closed accommodating space;
the oxidation catalytic layer is arranged on the outer surface of the heat conduction shell and comprises a catalyst, and the catalyst is used for catalyzing the reaction of the combustible gas and oxygen around the heat conduction shell to generate heat when the combustible gas exists around the heat conduction shell so as to change the air pressure of the gas in the closed accommodating space;
the air pressure detector is arranged on the heat conduction shell and communicated with the closed accommodating space of the heat conduction shell, and the air pressure detector detects the air pressure value of air in the heat conduction shell; and
and the processor is connected with the air pressure detector and judges whether combustible gas exists around the heat conducting shell according to the detected air pressure value of the air pressure detector.
2. The combustible gas detection device of claim 1 further comprising a first humidity sensor that detects a first humidity value of a surface of the oxidation catalyst layer, the first humidity sensor being electrically connected to the processor, the processor further configured to determine whether combustible gas is present around the thermally conductive housing based on the first humidity value and the air pressure value.
3. The combustible gas detection device of claim 2 further comprising a second humidity sensor that detects a second humidity value of an environment surrounding the thermally conductive housing, the second humidity sensor being electrically connected to the processor, the processor further configured to determine whether combustible gas is present around the thermally conductive housing based on the first humidity value, the second humidity value, and the air pressure value.
4. The combustible gas detection device of claim 1 further comprising a first temperature sensor that detects a first temperature value of a surface of the oxidation catalyst layer and a second temperature sensor that detects a second temperature value of an ambient environment surrounding the thermally conductive housing, the first and second temperature sensors being respectively electrically connected to the processor, the processor further configured to determine whether the thermally conductive housing is combustible gas based on the first temperature value, the second temperature value, and the air pressure value.
5. The combustible gas detection device of claim 1 wherein the thermally conductive housing comprises a bottom wall, a top wall, and a side wall, the oxidation catalyst layer being disposed in the bottom wall and the side wall, the gas pressure detector being disposed in the top wall and in communication with the receiving space.
6. The combustible gas detection device of claim 1 further comprising an alarm, the alarm being electrically connected to the processor.
7. The combustible gas detection device of claim 1 further comprising a communication module associated with a host computer, the communication module being electrically connected to the processor.
8. A power supply device, comprising a battery pack, a package case, and the combustible gas detection device according to any one of claims 1 to 7, wherein the battery pack and the combustible gas detection device are respectively disposed in the package case.
9. The power supply device according to claim 8, wherein the number of the battery packs is plural, the plural battery packs are arranged in the package case in an array, the number of the combustible gas detection devices is plural, and each of the combustible gas detection devices is respectively provided at a different position of the package case.
10. An electric vehicle, characterized by comprising electric equipment and the power supply device according to claim 8 or 9, wherein the power supply device is electrically connected with the electric equipment to supply power to the electric equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811033181.2A CN108956718B (en) | 2018-09-05 | 2018-09-05 | Combustible gas detection device, power supply device and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811033181.2A CN108956718B (en) | 2018-09-05 | 2018-09-05 | Combustible gas detection device, power supply device and electric automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108956718A CN108956718A (en) | 2018-12-07 |
| CN108956718B true CN108956718B (en) | 2024-02-09 |
Family
ID=64476022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811033181.2A Active CN108956718B (en) | 2018-09-05 | 2018-09-05 | Combustible gas detection device, power supply device and electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108956718B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112270812B (en) * | 2020-10-28 | 2022-04-05 | 广州研测安全技术有限公司 | Alarm for detecting combustible gas |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1175690A (en) * | 1996-08-31 | 1998-03-11 | Lg电子株式会社 | Combustible gas sensor and method for fabricating the same |
| CN107331911A (en) * | 2017-05-18 | 2017-11-07 | 华霆（合肥）动力技术有限公司 | Thermal management device of battery and electrokinetic cell |
| CN107681067A (en) * | 2017-11-06 | 2018-02-09 | 公安部四川消防研究所 | A kind of lithium ion battery fireproof anti-explosion device |
| CN107878204A (en) * | 2016-09-30 | 2018-04-06 | 长城汽车股份有限公司 | Hermetization testing method, system and the vehicle of battery bag |
| CN207541766U (en) * | 2017-10-25 | 2018-06-26 | 北京科力强电子有限公司 | A kind of combustible gas probe |
| CN208672555U (en) * | 2018-09-05 | 2019-03-29 | 华霆（合肥）动力技术有限公司 | Combustible gas detecting device, power supply device and electric car |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5230127B2 (en) * | 2007-06-06 | 2013-07-10 | キヤノン株式会社 | Fuel cell system and control method of fuel cell system |
-
2018
- 2018-09-05 CN CN201811033181.2A patent/CN108956718B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1175690A (en) * | 1996-08-31 | 1998-03-11 | Lg电子株式会社 | Combustible gas sensor and method for fabricating the same |
| CN107878204A (en) * | 2016-09-30 | 2018-04-06 | 长城汽车股份有限公司 | Hermetization testing method, system and the vehicle of battery bag |
| CN107331911A (en) * | 2017-05-18 | 2017-11-07 | 华霆（合肥）动力技术有限公司 | Thermal management device of battery and electrokinetic cell |
| CN207541766U (en) * | 2017-10-25 | 2018-06-26 | 北京科力强电子有限公司 | A kind of combustible gas probe |
| CN107681067A (en) * | 2017-11-06 | 2018-02-09 | 公安部四川消防研究所 | A kind of lithium ion battery fireproof anti-explosion device |
| CN208672555U (en) * | 2018-09-05 | 2019-03-29 | 华霆（合肥）动力技术有限公司 | Combustible gas detecting device, power supply device and electric car |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108956718A (en) | 2018-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101988745B1 (en) | Abnormality detecting apparatus | |
| US10877011B2 (en) | Systems and methods for monitoring for a gas analyte | |
| US9793581B2 (en) | Encasing film for a galvanic element, electrochemical store, electrochemical storage system, flexible film for an encasing of a galvanic element, and method for determining a state variable of an electrochemical store | |
| US11450918B2 (en) | Battery module gas sensor for battery cell monitoring | |
| JP4035848B2 (en) | Hydrogen gas leak warning system | |
| US20220085436A1 (en) | Thermal runaway detection systems for batteries within enclosures and methods of use thereof | |
| US11588192B2 (en) | Thermal runaway detection system for batteries within enclosures | |
| US20130073234A1 (en) | Response to Low Voltage Electrolysis in a Battery Pack | |
| JP2014512004A5 (en) | Electrochemical energy accumulator leak inspection apparatus and method | |
| US8910651B2 (en) | Thermal pressure relief devices and related systems and methods | |
| CN110418962B (en) | System and method for monitoring for gas analytes | |
| JP2023545632A (en) | Thermal runaway detection system for batteries inside the housing and how to use it | |
| US20140077816A1 (en) | Sensor device and method for producing a sensor device for accommodation in a galvanic cell | |
| CN108956718B (en) | Combustible gas detection device, power supply device and electric automobile | |
| US20170092993A1 (en) | Battery damage indicator | |
| JP2022512119A (en) | A system that improves the safety and reliability of lithium-ion (Li-ion) battery packs | |
| US20180254470A1 (en) | Response to High Voltage Electrolysis of Coolant in a Battery Pack | |
| US11719675B2 (en) | Gas detection device for lithium-ion battery storage system | |
| CN208672555U (en) | Combustible gas detecting device, power supply device and electric car | |
| EP4224597A2 (en) | Battery thermal runway detection/prevention | |
| CN115931239A (en) | Battery, leakage detection method and device thereof, battery management system and electronic equipment | |
| CN107403972B (en) | Leakage detecting device and power supply device | |
| CN116569438A (en) | Thermal runaway detection system for battery within enclosure and method of using same | |
| US20230253643A1 (en) | Battery thermal runway detection/prevention | |
| CN220652098U (en) | Battery package weeping on-line measuring device and electric automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |