CN115036642A - Vehicle battery explosion-proof equipment for mine - Google Patents
Vehicle battery explosion-proof equipment for mine Download PDFInfo
- Publication number
- CN115036642A CN115036642A CN202210813107.2A CN202210813107A CN115036642A CN 115036642 A CN115036642 A CN 115036642A CN 202210813107 A CN202210813107 A CN 202210813107A CN 115036642 A CN115036642 A CN 115036642A
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- battery pack
- battery
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- vehicle
- shell
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- 238000004880 explosion Methods 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 8
- 230000002159 abnormal effect Effects 0.000 description 10
- 238000010892 electric spark Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D11/00—Mine cars
- B61D11/02—Body construction
-
- 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
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a vehicle battery explosion-proof device for a mine, which comprises: the battery control system is connected with the battery pack, a first shell is arranged outside the battery control system, a second shell is arranged outside the battery pack, and air outlet holes are formed in the explosion-proof shell, the first shell and the second shell; the battery control system comprises an information acquisition module and a control module, wherein the information acquisition module is connected with the control module, the information acquisition module is used for acquiring the state information of the battery pack, and the control module is used for adjusting the power supply state of the battery pack to the vehicle load according to the state information. The invention can adjust the power supply state of the battery pack to the vehicle load in time so as to avoid explosion of the battery pack.
Description
Technical Field
The specification relates to the technical field of mine equipment, in particular to a vehicle battery explosion-proof device for a mine.
Background
At present, a pure electric vehicle is widely adopted as a transport vehicle in a mine, the pure electric vehicle adopts a battery pack to provide power for the vehicle, and the battery pack is likely to explode due to abnormal conditions when supplying power to a vehicle load, so that people or objects are damaged. The vehicle load here refers to electrical equipment of the vehicle such as an engine and the like.
Disclosure of Invention
In order to solve the above problems, embodiments of the present disclosure provide an explosion-proof device for a vehicle battery for a mine, which can stop power supply to a vehicle load in time when a battery pack is in an abnormal operating state, so as to prevent the battery pack from exploding.
The embodiment of the specification is realized by the following steps:
an explosion-proof device for a vehicle battery for a mine, comprising: the battery control system is connected with the battery pack, a first shell is arranged outside the battery control system, a second shell is arranged outside the battery pack, and air outlet holes are formed in the explosion-proof shell, the first shell and the second shell;
the battery control system comprises an information acquisition module and a control module, wherein the information acquisition module is connected with the control module, the information acquisition module is used for acquiring the state information of the battery pack, and the control module is used for adjusting the power supply state of the battery pack to the vehicle load according to the state information.
The embodiment of the specification adopts at least one technical scheme which can achieve the following beneficial effects: the information acquisition module can acquire the state information of the battery pack and send the state information to the control module. When the battery pack is in spontaneous combustion, short circuit or electric sparks due to discharging, the state information becomes abnormal, and the control module can adjust the power supply state of the battery pack to the vehicle load in time when judging that the state information is abnormal, so that the battery pack is prevented from exploding.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without any creative effort.
Fig. 1 is a schematic diagram of a vehicle battery explosion-proof device for a mine provided in an embodiment of the present disclosure.
Wherein, 1, an explosion-proof shell; 2. a first housing; 3. a second housing; 4. a battery pack; 5. a first fan; 6. a second fan; 7. a first current sensor; 8. a first voltage sensor; 9. a second voltage sensor; 10. a second current sensor; 11. a controller; 12. a switch; 13. a varistor; 14. a timing module; 15. a display screen; 16. an air outlet; 17. a first junction box; 18. a second junction box; 19. a first cable junction box; 20. a second cable junction box; 21. an explosion-proof cable; 22. and a signal line.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, the present invention provides an explosion-proof device for a vehicle battery for a mine, comprising: the explosion-proof shell 1 is provided with a battery control system and a battery pack 4 in the explosion-proof shell 1, and the battery control system is connected with the battery pack 4. The battery control system is externally provided with a first housing 2 and the battery pack 4 is externally provided with a second housing 3, i.e. the battery control system is arranged inside the first housing 2 and the battery pack 4 is arranged inside the second housing 3. The explosion-proof shell 1, the first shell 2 and the second shell 3 are all provided with air outlet holes 16.
The battery control system comprises an information acquisition module and a control module, wherein the information acquisition module is connected with the control module and used for acquiring the state information of the battery pack 4, and the control module is used for adjusting the power supply state of the battery pack 4 to the vehicle load according to the state information. The state information of the battery pack 4 may include voltage information, current information, and the like. The power supply state of the battery pack 4 to the vehicle load may include power supply to the vehicle load, power interruption (power supply stop) to the vehicle load, the magnitude of the total current for power supply to the vehicle load, and the like. The vehicle load refers to electric devices on the vehicle, such as an engine and the like.
The information acquisition module of the present invention can acquire the state information of the battery pack 4, such as voltage and current information. When the battery pack 4 has spontaneous combustion, short circuit or electric spark, the state information becomes abnormal, and the control module can control the battery pack 4 to stop supplying power to the vehicle load in time when judging that the state information is abnormal. The battery pack 4 stops working in time, so that the explosion of the battery pack 4 can be effectively avoided.
Meanwhile, in order to enable the battery control system to effectively control the battery pack 4 more stably, the battery control system is arranged in the first shell 2, and the battery pack 4 is arranged in the second shell 3, so that the battery control system and the battery pack are separated into two spaces, the battery pack 4 is protected by the second shell 3, the battery control system is protected by the first shell 2, when the battery pack 4 discharges and abnormal conditions such as electric sparks and the like occur, the battery control system can be unaffected, the battery pack 4 is effectively controlled, and for example, the total current of power supply is timely reduced or the power supply to vehicle loads is stopped and the like.
Wherein, the explosion-proof shell 1, the first shell 2 and the second shell 3 can be made of an explosion-proof plate with holes. So, do benefit to the ventilation on the one hand, strengthen battery control system and group battery 4's heat dissipation function, on the other hand prevents when group battery 4 explodes, causes the influence to the external world.
Further, a first cooling device for cooling the battery control system is arranged in the first housing 2, and a second cooling device for cooling the battery pack 4 is arranged in the second housing 3. The first heat sink may comprise a first fan 5 and the second heat sink may comprise a second fan 6. So, under the blowing of first fan 5 and second fan 6, can in time release away the heat that the during operation produced battery control system and group battery 4, build microthermal environment, reduce the risk that group battery 4 explodes.
The information acquisition module comprises a first current sensor 7 for detecting the total current of the battery pack 4 for supplying power to the vehicle load, a first voltage sensor 8 for measuring the total voltage of the battery pack 4 and a second voltage sensor 9 for measuring the partial voltage of each single battery of the battery pack 4. When at least one of the total current is not in the first preset range, the total voltage is not in the second preset range and the divided voltage is not in the third preset range, the control module controls the battery pack 4 to stop supplying power to the vehicle load. The first preset range, the second preset range and the third preset range are not specifically limited and can be set according to the actual conditions of all vehicles.
That is, the state information of the battery pack 4 may include the total current, the total voltage, and the divided voltage. And stopping supplying power to the vehicle load when at least one of the total current, the total voltage and the partial voltage is abnormal and is not in the respective preset range. To prevent the battery pack 4 from continuing to operate and exploding. When the short circuit appears in group battery 4, the total current can change, and group battery 4 comprises a plurality of battery cells, and when single battery voltage was unusual or when the total voltage of group battery 4 was unusual, the risk that can explode can take place, and when arbitrary one in these information that control module judged information acquisition module to gather took place unusually, can control group battery 4 in time to stop supplying power to vehicle load.
The information acquisition module further comprises a detection load forming a detection loop with the battery pack 4 and a second current sensor 10 for measuring the current of the detection loop, wherein the detection load can be an electric device such as a resistor. When the current of the detection loop is within a fourth preset range, the total voltage is within a fifth preset range and each partial voltage is within a sixth preset range, the control module controls the battery pack 4 to supply power to the vehicle load. The fourth preset range, the fifth preset range and the sixth preset range are not specifically limited and can be set according to the actual conditions of each vehicle.
The detection circuit is added, and the battery pack 4 can be detected in advance before the battery pack 4 supplies power to the vehicle load. The battery pack 4 and the detection load form a detection loop, the second current sensor 10 is used for detecting the current in the detection loop, and when the current in the detection loop, the total voltage of the battery pack 4 and the partial voltage of each single battery of the battery pack 4 are all within respective preset ranges, the state of the battery pack 4 is normal, and the vehicle load can be supplied with power. After the vehicle load is detected to be qualified in advance, the power supply to the vehicle load is started, so that the possibility of explosion of the battery pack 4 when the power supply to the vehicle load is performed can be further prevented.
The control module comprises a controller 11 and a switch 12 connected between the battery pack 4 and the vehicle load, the controller 11 is connected with the information acquisition module, and the controller 11 controls the working state of the switch 12 according to the state information so as to control the power supply state of the battery pack 4 to the vehicle load.
When the state information of the battery pack 4 is abnormal, the information acquisition module sends the acquired state information to the controller 11, the controller 11 judges that the state information is abnormal, and the control switch 12 is turned off, so that the battery pack 4 is powered off for a vehicle load, that is, the battery pack 4 stops supplying power for the vehicle load, and the battery pack 4 is prevented from continuously working and exploding when a fault occurs. When the controller 11 controls the switch 12 to be closed, the battery pack 4 can be caused to supply power to the vehicle load.
The control module further comprises a rheostat 13, the rheostat 13 is connected with the vehicle load in series, and the controller 11 controls the resistance value of the rheostat 13 according to the state information to adjust the total power supply current of the battery pack 4 to the vehicle load.
For example, when the battery pack 4 is over-current during power supply, the controller 11 may control the resistance of the varistor 13 to increase to reduce the total power supply current, and when under-current occurs during power supply, the resistance of the varistor 13 may be adjusted to decrease to increase the total power supply current.
The battery control system further comprises a timing module 14, the timing module 14 is connected with the controller 11, the timing module 14 is configured to record time information corresponding to the state information, and the time information is used to indicate a time or duration information when the battery pack is in a state indicated by the state information.
The timing module 14 is added to record the time information corresponding to the state information, so that the state information of the battery pack 4 at each moment can be known. The state information of the battery pack 4 may be associated with time, such as the time when the battery pack 4 malfunctions, the time when the battery pack 4 starts supplying power to the vehicle load, and the like. Therefore, the duration of one normal operation of the battery pack 4 can be counted, and a basis is provided for subsequent use and improvement of the battery pack 4. For example, through statistics, when the battery pack 4 is likely to malfunction after the continuous working time is N hours, the user of the vehicle can be reminded to stop using the vehicle when the battery pack 4 reaches the working time, and the vehicle can be used continuously after having a rest for a certain time. Or, a state information change diagram with the abscissa as time and the state information as the ordinate is drawn to analyze the change trend of each state information of the battery pack 4 for a period of time before the battery pack 4 fails, and the change trend is used as a judgment condition for subsequently judging that the battery pack 4 is about to fail.
The vehicle battery explosion-proof device for the mine further comprises an explosion-proof cable 21; the first casing 2 is provided with a first cable junction box 19, the battery control system is connected with the first cable junction box 19, the second casing 3 is provided with a second cable junction box 20, the battery pack 4 is connected with the second cable junction box 20, and the first cable junction box 19 is connected with the second cable junction box 20 through an explosion-proof cable 21.
The first cable junction box 19 and the second cable junction box 20 are connected by the explosion-proof cable 21, so that surrounding flammable and explosive gas cannot be ignited when short circuit or electric spark occurs, safety is improved, and explosion is prevented.
The display screen 15 is arranged outside the explosion-proof shell 1, the display screen 15 is connected with the control module, and the control module controls the display screen 15 to display state information.
In this way, the operator can observe the status information of the battery pack 4 through the display screen 15 and make his/her own judgment based on the status information. So as to take corresponding emergency measures in time.
Finally, an embodiment of the present invention will be described in detail with reference to fig. 1. The mine vehicle battery explosion-proof device comprises an explosion-proof shell 1, wherein a first shell 2 and a second shell 3 are arranged in the explosion-proof shell 1, and the explosion-proof shell 1, the first shell 2 and the second shell 3 are all provided with air outlet holes 16. A battery control system and a first fan 5 are arranged in the first shell 2, and a battery pack 4 and a second fan 6 are arranged in the second shell 3. The battery control system comprises a control module and an information acquisition module. The information acquisition module comprises a first current sensor 7, a first voltage sensor 8, a second voltage sensor 9 and a second current sensor 10, and is used for detecting a load, and the detection load and the battery pack 4 form a detection loop. The control module comprises a controller 11, a switch 12 and a rheostat 13, wherein the switch 12 and the rheostat 13 are connected to a main trunk of a loop formed by the battery pack 4 and the vehicle load so as to control the on-off of the main trunk and regulate the total current, and the rheostat 13 is connected with the vehicle load in series. Specifically, the first current sensor 7, the first voltage sensor 8, the second voltage sensor 9, the second current sensor 10, the detection load, the controller 11, the switch 12, and the varistor 13 may be connected to the first junction box 17 through the signal line 22, so as to achieve the purpose of circuit connection. The first housing 2 is provided with a first cable connection box 19, and the first connection box 17 is connected to the first cable connection box 19 via a signal line 22. A second connection box 18 is arranged in the second housing 3, the battery pack 4 is connected to the second connection box 18 through a signal line 22, the second connection box 18 is connected to a second cable junction box 20 through the signal line 22, and the first cable junction box 19 and the second cable junction box 20 are connected through an explosion-proof cable 21. The first junction box 17 is also connected to a timing module 14 and a display screen 15 through a signal line 22 so that the timing module 14 is connected to the controller 11 and the display screen 15 is connected to the controller 11. The connection of the battery pack 4 to the vehicle load is not shown in the figure.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.
The controller may be implemented in any suitable manner, and may be a PLC, a single chip microcomputer, or the like, and may take the form of, for example, a microprocessor or processor, and a computer-readable medium storing computer-readable program code (e.g., software or firmware) executable by the (micro) processor, logic gates, switches, an Application Specific Integrated Circuit (ASIC), a programmable logic controller, and an embedded microcontroller, examples of which include, but are not limited to, the following microcontrollers: ARC 625D, Atmel AT91SAM, Microchip PIC18F26K20, and Silicone Labs C8051F320, the memory controller may also be implemented as part of the control logic for the memory. Those skilled in the art will also appreciate that, in addition to implementing the controller as pure computer readable program code, the same functionality can be implemented by logically programming method steps such that the controller is in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers and the like. Such a controller may thus be considered a hardware component, and the means included therein for performing the various functions may also be considered as a structure within the hardware component. Or even means for performing the functions may be regarded as being both a software module for performing the method and a structure within a hardware component.
Claims (10)
1. A vehicle battery explosion-proof device for a mine, comprising: the battery pack protection device comprises an explosion-proof shell (1), wherein a battery control system and a battery pack (4) are arranged in the explosion-proof shell (1), the battery control system is connected with the battery pack (4), a first shell (2) is arranged outside the battery control system, a second shell (3) is arranged outside the battery pack (4), and air outlet holes (16) are formed in the explosion-proof shell (1), the first shell (2) and the second shell (3);
the battery control system comprises an information acquisition module and a control module, wherein the information acquisition module is connected with the control module, the information acquisition module is used for acquiring the state information of the battery pack (4), and the control module is used for adjusting the power supply state of the battery pack (4) to the vehicle load according to the state information.
2. The explosion-proof device for the mine vehicle battery according to claim 1, wherein a first cooling device for cooling the battery control system is provided in the first housing (2), and a second cooling device for cooling the battery pack (4) is provided in the second housing (3).
3. The vehicle battery explosion-proof device for mines as set forth in claim 1, wherein the information acquisition module comprises a first current sensor (7) for detecting the total current of the battery pack (4) for supplying power to the vehicle load, a first voltage sensor (8) for measuring the total voltage of the battery pack (4), and a second voltage sensor (9) for measuring the divided voltages of the individual cells of the battery pack (4); when at least one of the total current is not in a first preset range, the total voltage is not in a second preset range and the divided voltage is not in a third preset range, the control module controls the battery pack (4) to stop supplying power to the vehicle load.
4. The mine vehicle battery explosion protection device according to claim 3, wherein the information acquisition module further comprises a detection load forming a detection loop with the battery pack (4) and a second current sensor (10) measuring a current of the detection loop; and when the current of the detection loop is within a fourth preset range, the total voltage is within a fifth preset range and each partial voltage is within a sixth preset range, the control module controls the battery pack (4) to supply power to the vehicle load.
5. The mine vehicle battery explosion protection device according to claim 1, wherein the control module comprises a controller (11) and a switch (12) connected between the battery pack (4) and the vehicle load, and the controller (11) controls the operating state of the switch (12) according to the state information so as to control the power supply state of the battery pack (4) to the vehicle load.
6. The vehicle battery explosion protection device for mines according to claim 5, wherein the control module further comprises a rheostat (13), the rheostat (13) is connected in series with the vehicle load, and the controller (11) controls the resistance value of the rheostat (13) according to the state information to adjust the total current of the battery pack (4) for supplying power to the vehicle load.
7. The mine vehicle battery explosion-proof device according to claim 5, wherein the battery control system further comprises a timing module (14), the timing module (14) is connected with the controller (11), the timing module (14) is configured to record time information corresponding to the state information, and the time information is time or duration information used for representing that the battery pack is in a state represented by the state information.
8. The mine vehicle battery explosion protection apparatus according to claim 1, wherein the mine vehicle battery explosion protection apparatus further comprises an explosion-proof cable (21); the battery control system is characterized in that a first cable junction box (19) is arranged on the first shell (2), the battery control system is connected with the first cable junction box (19), a second cable junction box (20) is arranged on the second shell (3), the battery pack (4) is connected with the second cable junction box (20), and the first cable junction box (19) is connected with the second cable junction box (20) through the explosion-proof cable (21).
9. The vehicle battery explosion-proof device for the mine as recited in claim 1, wherein a display screen (15) is arranged outside the explosion-proof housing (1), the display screen (15) is connected with the control module, and the control module controls the display screen (15) to display the state information.
10. The explosion protection device for vehicle batteries for mines according to claim 2, wherein the first temperature reducing device comprises a first fan (5) and the second temperature reducing device comprises a second fan (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210813107.2A CN115036642A (en) | 2022-07-11 | 2022-07-11 | Vehicle battery explosion-proof equipment for mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210813107.2A CN115036642A (en) | 2022-07-11 | 2022-07-11 | Vehicle battery explosion-proof equipment for mine |
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| Publication Number | Publication Date |
|---|---|
| CN115036642A true CN115036642A (en) | 2022-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210813107.2A Pending CN115036642A (en) | 2022-07-11 | 2022-07-11 | Vehicle battery explosion-proof equipment for mine |
Country Status (1)
| Country | Link |
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| CN (1) | CN115036642A (en) |
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| CN101295776A (en) * | 2007-01-12 | 2008-10-29 | 开利尔辉煌星光有限公司 | Battery pack |
| US20180354375A1 (en) * | 2011-03-31 | 2018-12-13 | Elite Power Solutions, LLC | Golf cart battery system |
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Application publication date: 20220909 |