CN116434464A - Suction type monitoring and early warning device, system and method for lithium ion battery energy storage power station - Google Patents
Suction type monitoring and early warning device, system and method for lithium ion battery energy storage power station Download PDFInfo
- Publication number
- CN116434464A CN116434464A CN202310433460.2A CN202310433460A CN116434464A CN 116434464 A CN116434464 A CN 116434464A CN 202310433460 A CN202310433460 A CN 202310433460A CN 116434464 A CN116434464 A CN 116434464A
- Authority
- CN
- China
- Prior art keywords
- early warning
- lithium ion
- alarm
- ion battery
- energy storage
- 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.)
- Pending
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 33
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 31
- 238000004146 energy storage Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 42
- 239000002131 composite material Substances 0.000 claims abstract description 33
- 238000004891 communication Methods 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims description 26
- 230000000007 visual effect Effects 0.000 claims description 16
- 239000000779 smoke Substances 0.000 claims description 15
- 239000001257 hydrogen Substances 0.000 claims description 10
- 229910052739 hydrogen Inorganic materials 0.000 claims description 10
- 230000007613 environmental effect Effects 0.000 claims description 8
- 150000002431 hydrogen Chemical class 0.000 claims description 7
- 230000000977 initiatory effect Effects 0.000 claims description 7
- 230000002159 abnormal effect Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 230000000881 depressing effect Effects 0.000 claims description 2
- 238000011065 in-situ storage Methods 0.000 claims description 2
- 230000009471 action Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004200 deflagration Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000012983 electrochemical energy storage Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/16—Combustible gas alarms
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Secondary Cells (AREA)
- Fire Alarms (AREA)
Abstract
The invention discloses an inhalation type monitoring and early warning device, system and method for a lithium ion battery energy storage power station, wherein the device comprises a shell, an air suction pump, a composite type detection module, a processor module, an alarm unit and a communication module, wherein an air inlet and an air outlet are arranged on the shell, the air suction pump is arranged in an inner cavity of the shell, an air suction end of the air suction pump is communicated with the air inlet, an air outlet end of the air suction pump is communicated with an air channel arranged in the inner cavity of the shell, the composite type detection module is arranged in the air channel, the air channel is communicated with the air outlet, and the air suction pump, the composite type detection module, the alarm unit and the communication module are respectively and electrically connected with the processor module. The invention greatly improves the detection timeliness and the detection accuracy through the active inhalation type safety detection, and greatly increases the safety due to the full-period scheme from the early risk to the later treatment of the hierarchical alarm treatment.
Description
Technical Field
The invention relates to the technical field of fire disaster early warning of lithium ion battery energy storage power stations, in particular to a suction type monitoring early warning device, a suction type monitoring early warning system and a suction type monitoring early warning method of a lithium ion battery energy storage power station.
Background
The lithium ion electrochemical energy storage system mainly uses lithium iron phosphate, but a lithium ion battery core can generate thermal runaway phenomena such as overcharge, overdischarge or mechanical abuse due to manufacturing process defects and improper use, when the battery core is in thermal runaway, a large amount of combustible toxic gas can be generated by a battery core cathode material, and when the internal pressure of the battery core reaches the action pressure value of a single battery core safety valve, the safety valve safety diaphragm of the single battery core is torn. The combustible steam and the internal decomposed combustible gas generated by the battery core at the high temperature of thermal runaway overflow from the safety valve port to cause tearing or explosion of the battery box, and a large amount of oxygen participates in combustion to cause the aggravation of thermal runaway diffusion, so that a large-area fire disaster is formed, the fire disaster is difficult to inhibit, and the hazard is extremely large.
The detection device in the prior art generally adopts passive gas and temperature detection, is greatly influenced by environment and use conditions, is extremely easy to report by mistake, and is difficult to timely monitor various characteristic parameter changes when the battery cell is out of control, so that the serious fire condition cannot be timely and accurately judged.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a suction type monitoring and early warning device, a suction type monitoring and early warning system and a suction type monitoring and early warning method for a lithium ion battery energy storage power station.
The invention provides a suction type monitoring and early warning device of a lithium ion battery energy storage power station, which comprises the following components: the device comprises a shell, a suction pump, a composite detection module, a processor module, an alarm unit and a communication module; wherein:
the shell is provided with an air inlet and an air outlet, the suction pump is arranged in the inner cavity of the shell, the suction end of the suction pump is communicated with the air inlet, the air outlet end of the suction pump is communicated with an air channel arranged in the inner cavity of the shell, the composite detection module is arranged in the air channel, and the air channel is communicated with the air outlet;
the suction pump, the composite detection module, the alarm unit and the communication module are respectively and electrically connected with the processor module.
Preferably, the composite detection module includes a VOC sensor, a CO sensor, a smoke sensor, a temperature sensor, and a hydrogen sensor.
Preferably, the processor module includes a power conversion circuit to which the switch and the connector are connected, the connector and the switch being mounted on the housing.
Preferably, the alarm unit includes a buzzer alarm and an indicator light.
Preferably, the device further comprises a display control unit electrically connected with the processor module.
The invention provides a suction type monitoring and early warning system of a lithium ion battery energy storage power station, which comprises the following components:
the suction pump is used for collecting and acquiring an environmental gas sample in a suction mode;
the composite detection module is used for detecting various characteristic parameters of the acquired environmental gas sample;
the processor module is used for receiving various characteristic parameter signals detected by the composite detection module, judging whether the characteristic parameters exceed a threshold value or not, and sending out corresponding alarm signals according to a judging result;
the communication module is electrically connected with the processor module and is used for communicating with the fire-fighting system so as to send an alarm signal sent by the processor module to the fire-fighting system;
and the alarm unit is electrically connected with the processor module and is used for giving out an audible and visual alarm when receiving the alarm signal sent by the processor module.
Preferably, the composite detection module includes a VOC sensor, a CO sensor, a smoke sensor, a temperature sensor, and a hydrogen sensor, and various characteristic parameters of the ambient gas sample detected by the composite detection module include: VOC, carbon monoxide, smoke, temperature, hydrogen.
The invention provides a suction type monitoring and early warning method for a lithium ion battery energy storage power station, which comprises the following steps:
s1, a composite detection module, a processor module and a switch perform self-checking whether the fault is abnormal, if the fault is normal, the next step is performed, if the fault is abnormal, a display control unit displays fault content, and manual field checking processing is performed;
s2, acquiring an ambient gas sample by suction, detecting various characteristic parameters of the ambient gas sample, and displaying the various characteristic parameters by a display control unit;
s3, judging whether the various characteristic parameters exceed a threshold value, if not, returning to the previous step, and if so, entering the next step;
s4, if the VOC concentration gradient and the smoke concentration gradient exceed the standards, starting a first-level early warning, returning to the previous step,
if the content of CO exceeds the threshold value, starting secondary early warning, then entering the next step,
if the temperature, the pressure, the CO and the VOC content exceed the threshold value, starting three-level early warning, and then entering the next step;
s5, after the fire is restrained, pressing a stop switch.
Preferably, initiating the primary alert comprises: the alarm unit sends out an audible and visual alarm, the display control unit displays relevant out-of-standard parameters in an emphasized mode, and the relay module is linked to start the electric fan to ventilate and ventilate.
Preferably, initiating the secondary alarm comprises: the alarm unit gives out an audible and visual alarm, the relay module controls the electric fan, the air conditioner and the control cabinet in a linkage way to conduct power-off treatment, the fire-fighting equipment cuts off the commercial power, and the fire-fighting standby power supply is started to enter a manual control state.
Preferably, initiating the three-level pre-warning includes: the alarm unit gives out an audible and visual alarm, the relay module controls the electric fan, the air conditioner and the control cabinet in a linkage way to conduct power-off treatment, the linkage pressure release window is opened, the fire-fighting equipment cuts off the mains supply, the fire-fighting equipment is started to enter an automatic control state, countdown is started, and after the countdown is finished, the fire-fighting host is started to conduct program-controlled spraying fire extinguishing.
Preferably, after the step of displaying the fault content by the display control unit, a manual field inspection process is performed.
Preferably, after the step of depressing the stop switch, the process is checked manually in situ.
The invention has the beneficial effects that: compared with the traditional fire fighting device which adopts passive gas and temperature detection, the invention is greatly influenced by environment and use conditions, false alarm is easy to occur, the invention greatly improves the detection timeliness and the accuracy through the active inhalation type safety detection, and the full-period scheme from early risk to later treatment of graded alarm treatment greatly increases the safety.
Drawings
Fig. 1 is a schematic structural diagram of a suction type monitoring and early warning device of a lithium ion battery energy storage power station according to an embodiment of the present invention;
fig. 2 is a schematic block diagram of a suction type monitoring and early warning system of a lithium ion battery energy storage power station according to an embodiment of the present invention;
fig. 3 is a flowchart of a method for inhalation monitoring and early warning of a lithium ion battery energy storage power station according to an embodiment of the invention 。
Detailed Description
Referring to fig. 1, an embodiment of the invention provides a suction type monitoring and early warning device of a lithium ion battery energy storage power station, which comprises a housing 1, and a composite type detection module, a suction pump 2, a processor module 3, an alarm unit and a communication module which are arranged in the housing 1, wherein the suction pump 2, the composite type detection module, the alarm unit and the communication module are respectively and electrically connected with the processor module 3.
The inside of the shell 1 is provided with an air duct 13, the composite detection module is arranged in the air duct 13, the shell 1 is provided with an air inlet 11 communicated with the air suction end of the air suction pump 2, the air outlet end of the air suction pump 2 is communicated with the air duct 13, the shell 1 is also provided with an air outlet 12 communicated with the air duct 13, and the air suction pump 2 sucks external air from the air inlet 11 into the air duct 13 through the composite detection module for data acquisition and detection.
Specifically, the composite detection module includes a VOC sensor 4, a CO sensor 5, a smoke sensor 6, a temperature sensor 7, and a hydrogen sensor 8, and the VOC sensor 4, the CO sensor 5, the smoke sensor 6, the temperature sensor 7, and the hydrogen sensor 8 are electrically connected with the processor module 3, respectively.
The processor module 3 comprises a power conversion circuit to which a switch and a connector 9 are connected, the connector 9 and the switch being mounted on the housing 1. The processor module 3 is also electrically connected with a display control unit.
The alarm unit comprises a buzzer alarm and an indicator lamp, and the buzzer alarm and the indicator lamp are respectively and electrically connected with the processor module 3.
According to the monitoring and early warning device, as shown in fig. 2, the embodiment of the invention further provides a suction type monitoring and early warning system of a lithium ion battery energy storage power station, which comprises:
the suction pump is used for collecting and acquiring an environmental gas sample in a suction mode;
the composite detection module is used for detecting various characteristic parameters of the acquired environmental gas sample;
the processor module is used for receiving various characteristic parameter signals detected by the composite detection module, judging whether the characteristic parameters exceed a threshold value or not, and sending out corresponding alarm signals according to a judging result;
the communication module is electrically connected with the processor module and is used for communicating with the fire-fighting system so as to send an alarm signal sent by the processor module to the fire-fighting system;
and the alarm unit is electrically connected with the processor module and is used for giving out an audible and visual alarm when receiving the alarm signal sent by the processor module.
The composite detection module comprises a VOC sensor, a CO sensor, a smoke sensor, a temperature sensor and a hydrogen sensor, and various characteristic parameters of the environmental gas sample detected by the composite detection module comprise: VOC, carbon monoxide, smoke, temperature, hydrogen.
With the monitoring and early warning device and the monitoring and early warning system of the embodiment, as shown in fig. 3, the embodiment of the invention also provides a suction type monitoring and early warning method of a lithium ion battery energy storage power station, which comprises the following steps:
s1, a composite detection module, a processor module and a switch perform self-checking whether the fault is abnormal, if the fault is normal, the next step is performed, if the fault is abnormal, a display control unit displays fault content, and then manual field checking processing is performed;
s2, acquiring an ambient gas sample by suction, detecting various characteristic parameters of the ambient gas sample, and displaying the various characteristic parameters by a display control unit;
s3, judging whether the various characteristic parameters exceed a threshold value, if not, returning to the previous step, and if so, entering the next step;
s4, if the VOC concentration gradient and the smoke concentration gradient exceed the standard, starting a first-stage early warning: the alarm unit sends out an audible and visual alarm, the display control unit displays relevant out-of-standard parameters in an emphasized way, the relay module is linked to start the electric fan to perform ventilation and air exchange, and then the last step is returned,
if the CO content exceeds the threshold value, starting secondary early warning: the alarm unit gives out an audible and visual alarm, the relay module controls the electric fan, the air conditioner and the control cabinet in a linkage way to perform power-off treatment, the fire-fighting equipment cuts off the commercial power, starts the fire-fighting standby power supply to enter a manual control state, and then enters the next step,
if the temperature, the pressure, the CO and the VOC content exceed the threshold value, starting three-level early warning: the alarm unit gives out an audible and visual alarm, the relay module controls the electric fan, the air conditioner and the control cabinet in a linkage way to perform power-off treatment, the linkage pressure release window is opened, the fire-fighting equipment cuts off the mains supply, the fire-fighting equipment is started to enter an automatic control state, countdown is started, and after the countdown is finished, the fire-fighting host starts to perform program-controlled spraying fire extinguishing, and then the next step is performed;
s5, after the fire is restrained, pressing a stop switch, and then manually checking on site.
According to the inhalation type monitoring and early warning device, system and method for the lithium ion battery energy storage power station, provided by the invention, the fire condition or VOC gas concentration is judged in advance by detecting the necessary conditions of battery thermal runaway, namely, characteristic gases such as temperature, CO, VOC, smoke and the like. The lithium ion battery core can naturally volatilize certain VOC or the battery can lead to VOC gas leakage because of battery bulge extrusion, mechanical abuse and the like caused by the charging and discharging process, the opening of a pressure release valve and the like, and when VOC organic volatile matters reach a certain concentration, the generated toxic and corrosive gas can cause damage to the entered staff and internal related equipment. The VOC organic volatile contains combustible gas. The generation of an electric spark involves the risk of deflagration and the initiation of a fire.
When the system detects that the VOC organic volatile matter reaches a certain concentration, the ventilation device and the audible and visual alarm equipment are controlled in a linkage way, and ventilation actions and primary audible and visual alarm are carried out on the electrochemical system. The system has the advantages of reducing the concentration of VOC organic volatile matters in the system and prompting workers to carry out related inspection, thereby achieving the purpose of preventing fire and personal injury risks of the workers in advance.
The system is used for compositely detecting the relevant characteristic gas of the battery cell through the composite detection module which is arranged in the battery box. When the VOC, CO and smoke thresholds are detected to exceed the alarm thresholds, a secondary alarm is started, an audible and visual alarm prompt is sent, the electric fan, the air conditioner and the control cabinet are controlled in a linkage mode to conduct power-off treatment, and the fire-fighting equipment cuts off the mains supply input and starts the fire-fighting equipment to enter a manual control state.
The working condition temperature of the battery box is between minus 40 ℃ and plus 65 ℃, the lithium ion battery is in thermal runaway along with the temperature and the rising of the sign gas, the internal pressure is increased due to the temperature rising, at the moment, the sensor can rapidly capture the CO and the temperature change value, and when the CO value exceeds 140PPM and the temperature value exceeds 65 ℃, the composite determination can determine that the lithium ion battery core is in thermal runaway. And starting three-level alarm to send out audible and visual alarm prompt, controlling the electric fan, the air conditioner and the control cabinet to perform power-off treatment in a linkage way, starting the linkage pressure release window, cutting off the mains supply input by the fire-fighting equipment, and starting the fire-fighting equipment to enter an automatic control state. Countdown 30S gives and prompts the evacuation of personnel in the station. And starting the fire-fighting host to conduct fire-extinguishing treatment after the countdown is finished.
Therefore, the invention can timely, accurately and efficiently detect fire situations through the suction type active safety detection, can realize full-period monitoring from early risk early warning to later fire treatment through the grading alarm treatment, is suitable for detecting A-class (solid), B-class (liquid), C-class (gas), D-class (electrified) and E-class (electric) fires, and is applicable to places such as an electric room, a battery room, a monitoring room and the like in a lithium ion electrochemical system.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. Suction type monitoring and early warning device of lithium ion battery energy storage power station, its characterized in that includes: the device comprises a shell (1), a suction pump (2), a composite detection module, a processor module (3), an alarm unit and a communication module; wherein:
an air inlet (11) and an air outlet (12) are arranged on the shell (1), the suction pump (2) is arranged in the inner cavity of the shell (1), the suction end of the suction pump (2) is communicated with the air inlet (11), the air outlet end of the suction pump (2) is communicated with an air duct (13) arranged in the inner cavity of the shell (1), the composite detection module is arranged in the air duct (13), and the air duct (13) is communicated with the air outlet (12);
the suction pump (2), the composite detection module, the alarm unit and the communication module are respectively and electrically connected with the processor module (3).
2. The lithium ion battery energy storage power station suction type monitoring and early warning device according to claim 1, wherein the composite detection module comprises a VOC sensor (4), a CO sensor (5), a smoke sensor (6), a temperature sensor (7) and a hydrogen sensor (8).
3. The lithium ion battery energy storage power station suction type monitoring and early warning device according to claim 1, wherein the processor module (3) comprises a power conversion circuit, the power conversion circuit is connected with a switch and a connector (9), and the connector (9) and the switch are mounted on the shell (1).
4. The lithium ion battery energy storage power station suction type monitoring and early warning device according to claim 1, wherein the warning unit comprises a buzzer alarm and an indicator lamp.
5. The lithium ion battery energy storage power station suction type monitoring and early warning device according to claim 1, further comprising a display control unit electrically connected with the processor module (3).
6. The lithium ion battery energy storage power station inhalation monitoring and early warning system of the device according to any one of claims 1 to 5, comprising:
the suction pump is used for collecting and acquiring an environmental gas sample in a suction mode;
the composite detection module is used for detecting various characteristic parameters of the acquired environmental gas sample;
the processor module is used for receiving various characteristic parameter signals detected by the composite detection module, judging whether the characteristic parameters exceed a threshold value or not, and sending out corresponding alarm signals according to a judging result;
the communication module is electrically connected with the processor module and is used for communicating with the fire-fighting system so as to send an alarm signal sent by the processor module to the fire-fighting system;
and the alarm unit is electrically connected with the processor module and is used for giving out an audible and visual alarm when receiving the alarm signal sent by the processor module.
7. The lithium ion battery energy storage power station inhalation monitoring and early warning system according to claim 6, wherein the composite detection module comprises a VOC sensor, a CO sensor, a smoke sensor, a temperature sensor and a hydrogen sensor, and various characteristic parameters of the environmental gas sample detected by the composite detection module comprise: VOC, carbon monoxide, smoke, temperature, hydrogen.
8. The inhalation type monitoring and early warning method for the lithium ion battery energy storage power station is characterized by comprising the following steps of:
s1, a composite detection module, a processor module and a switch perform self-checking whether the fault is abnormal, if the fault is normal, the next step is performed, and if the fault is abnormal, the fault content is displayed;
s2, acquiring an ambient gas sample by suction, detecting various characteristic parameters of the ambient gas sample, and displaying the various characteristic parameters;
s3, judging whether the various characteristic parameters exceed a threshold value, if not, returning to the previous step, and if so, entering the next step;
s4, if the VOC concentration gradient and the smoke concentration gradient exceed the standard, starting a first-stage early warning, returning to the previous step, if the CO content exceeds a threshold value, starting a second-stage early warning, then entering the next step, and if the temperature, the pressure, the CO content and the VOC content exceed the threshold value, starting a third-stage early warning, and then entering the next step;
s5, after the fire is restrained, pressing a stop switch.
9. The method of claim 8, wherein initiating a primary alert comprises: the alarm unit sends out an audible and visual alarm, and the display control unit highlights relevant out-of-standard parameters, and the electric fan is started in a linkage way to perform ventilation;
preferably, initiating the secondary alarm comprises: the alarm unit sends out an audible and visual alarm, and the electric fan, the air conditioner and the control cabinet are controlled in a linkage way to perform power-off treatment, the fire-fighting equipment cuts off the commercial power, and the fire-fighting standby power supply is started to enter a manual control state;
preferably, initiating the three-level pre-warning includes: the alarm unit gives out an audible and visual alarm, the electric fan, the air conditioner and the control cabinet are controlled in a linkage mode to conduct power-off treatment, the linkage pressure relief window is opened, the fire-fighting equipment cuts off the mains supply, the fire-fighting equipment is started to enter an automatic control state, countdown is started, and after the countdown is finished, the fire-fighting main machine starts program-controlled spraying fire extinguishing.
10. The method for monitoring and early warning of the lithium ion battery energy storage power station suction type according to claim 1, wherein after the step of displaying the fault content by the display control unit, manual field inspection processing is performed;
preferably, after the step of depressing the stop switch, the process is checked manually in situ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310433460.2A CN116434464A (en) | 2023-04-19 | 2023-04-19 | Suction type monitoring and early warning device, system and method for lithium ion battery energy storage power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310433460.2A CN116434464A (en) | 2023-04-19 | 2023-04-19 | Suction type monitoring and early warning device, system and method for lithium ion battery energy storage power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116434464A true CN116434464A (en) | 2023-07-14 |
Family
ID=87087069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310433460.2A Pending CN116434464A (en) | 2023-04-19 | 2023-04-19 | Suction type monitoring and early warning device, system and method for lithium ion battery energy storage power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116434464A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116973542A (en) * | 2023-09-21 | 2023-10-31 | 山东道成泰和智能科技有限公司 | High-precision five-in-one gas detector with closable probe area |
-
2023
- 2023-04-19 CN CN202310433460.2A patent/CN116434464A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116973542A (en) * | 2023-09-21 | 2023-10-31 | 山东道成泰和智能科技有限公司 | High-precision five-in-one gas detector with closable probe area |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112316332A (en) | Multistage early warning fire fighting device and method for lithium ion battery cabinet | |
| CN110634262A (en) | Fire early warning method for battery prefabricated cabin of lithium iron phosphate energy storage power station | |
| CN111060821A (en) | Battery management system and method with early warning function of lithium battery fault | |
| CN113230560A (en) | Fire extinguishing and explosion preventing method for lithium ion electrochemical energy storage system | |
| CN213724537U (en) | Lithium ion battery water-packaging base fire prevention and control device | |
| CN114839555A (en) | Early warning method and device for battery energy storage system, electronic equipment and storage medium | |
| CN106512259A (en) | Ship accumulator cabin ventilation and automatic extinguishing method and system based on fuzzy control | |
| CN207779987U (en) | Lithium ion battery thermal runaway gas detection and automatic alarm | |
| CN116434464A (en) | Suction type monitoring and early warning device, system and method for lithium ion battery energy storage power station | |
| CN213884820U (en) | A multistage early warning fire control unit for lithium ion battery cabinet | |
| CN212593613U (en) | Energy storage battery cabin fire extinguishing system | |
| CN114824537A (en) | Lithium iron phosphate battery thermal runaway monitoring system based on information fusion | |
| CN212725410U (en) | Full life cycle lithium cell hypoxemia accuse temperature protection system based on equipment room | |
| CN112947268A (en) | Power battery test safety protection system, method and monitoring system | |
| CN114712758A (en) | Fire detection and automatic fire extinguishing method for whole process of lithium battery energy storage station | |
| CN117437738A (en) | Intelligent safety early warning protection method for energy storage power station | |
| CN115842183A (en) | Thermal runaway early warning system and early warning method for lithium ion battery energy storage cabin | |
| CN112637809B (en) | Gas safety monitoring system based on NBIoT | |
| CN212756898U (en) | Automatic fire-fighting system with high-low temperature box | |
| CN212522788U (en) | Fire extinguishing device of battery pack | |
| CN117198008A (en) | Battery thermal runaway early warning method and device thereof | |
| CN215771260U (en) | Thermal runaway detector for electrochemical cell in energy storage cabinet | |
| CN214344062U (en) | Automatic fire-fighting device for wind turbine generator system | |
| CN221130794U (en) | Fire alarm control system for energy storage power station | |
| CN113690497A (en) | Safety maintenance method of battery and battery system |
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 |