CN110222958A - A kind of lithium battery fire risk assessment system and method - Google Patents
A kind of lithium battery fire risk assessment system and method Download PDFInfo
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- CN110222958A CN110222958A CN201910431105.5A CN201910431105A CN110222958A CN 110222958 A CN110222958 A CN 110222958A CN 201910431105 A CN201910431105 A CN 201910431105A CN 110222958 A CN110222958 A CN 110222958A
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 134
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 134
- 238000012502 risk assessment Methods 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000006243 chemical reaction Methods 0.000 claims abstract description 41
- 238000003860 storage Methods 0.000 claims abstract description 28
- 238000012360 testing method Methods 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 238000011156 evaluation Methods 0.000 claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 claims abstract description 21
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims description 28
- 238000012546 transfer Methods 0.000 claims description 21
- 239000000084 colloidal system Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000011835 investigation Methods 0.000 claims description 6
- 230000002265 prevention Effects 0.000 claims description 5
- 230000000153 supplemental effect Effects 0.000 claims description 5
- 238000012372 quality testing Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000003032 molecular docking Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 238000002485 combustion reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 230000002269 spontaneous effect Effects 0.000 description 5
- 240000002853 Nelumbo nucifera Species 0.000 description 3
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 3
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 230000019771 cognition Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000002463 transducing effect Effects 0.000 description 2
- 238000009825 accumulation Methods 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
- 210000004556 brain Anatomy 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 230000001550 time effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/367—Software therefor, e.g. for battery testing using modelling or look-up tables
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0635—Risk analysis of enterprise or organisation activities
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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- G06Q10/0639—Performance analysis of employees; Performance analysis of enterprise or organisation operations
- G06Q10/06395—Quality analysis or management
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/06—Energy or water supply
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Abstract
The invention discloses a kind of lithium battery fire risk assessment system and method, including test device and evaluation scheme, test device includes cabinet, and cover, front interlocking front panel is arranged in top；Trough is opened up in cabinet, and chamber door is set outside trough；Trough is embedded in reaction warehouse, and perforation setting plug tube head in reaction warehouse lower end fills in tube head lower end fixed pedestal, air cavity, plug tube head and air cavity intercommunication are arranged in pedestal, air cavity is connect by pipeline with gas tank, and sensor is arranged in gas tank；Trough is embedded in host, host inside PLC system, and host input terminal is electrically connected with front panel, sensor respectively, and output end is electrically connected with transmission box, electric cylinder respectively, and interface board is rabbeted on the right side of transmission box, and data-interface is arranged in interface plate surface；Power supply box is rabbeted at the cabinet back side, and power supply box is electrically connected with host, sensor, transmission box respectively；Evaluation scheme includes that production risk assessment, transport and storage risk assessment, site of deployment observation, live fire-fighting capability evaluation, lithium battery are tested.
Description
Technical field
The present invention relates to fire risk assessment technical fields, and more specifically, it relates to a kind of lithium battery fire risks to comment
Estimate system and method.
Background technique
For lithium battery when suitable for energy storage industry, electronic new energy field, there is following fire hazards:
With being skyrocketed through for lithium battery applications, fire risk is also full of in its whole life cycle, from manufacture, object
Stream, arrives end user at storage, and lithium battery is because of the chemical property of structure process and elemental lithium, and in application process, battery is vulnerable to outer
Boundary's impact, long-term high load capacity use, super-charge super-discharge influences, and lead to the internal Li dendrite accumulation generated, cause the positive negative electricity of lithium battery
The short circuit of pole, thus make lithium electrode exposed to air generate heat spontaneous combustion, it is related arround electric equipment generate explosion etc. accidents, risk compared with
Greatly；
Based on the above several points there are the problem of, need to study current era be suitble to assess lithium battery fire risk assessment system
System and method, lithium battery cause battery dieseling occur, cause fire vulnerable to many external factor influences in application process,
Its properties of fire is special rapidly, it is difficult to which control in time, hidden danger is larger, if groundless formulation fire prevention measure will be so that lithium battery be applicable in
Range is limited to, and limits the practicability of lithium battery to a certain extent.
Summary of the invention
Purpose of the invention is to overcome the shortcomings in the prior art, proposes a kind of lithium battery fire risk assessment system
And method, the assessment of systematization is carried out mainly in combination with the stage each in the lithium battery applications period, is embodied in lithium battery quality, lotus
Carry the check and evaluation of critical value, the assessment to application environment, scene, and according to the detection device being arranged in system to lithium battery into
The multinomial quality testing of row, to export lithium battery quality report and assessment report, with multidirectional assessment accurate, reliable, after refinement
Data guarantee the feasibility and reliability of lithium battery fire assessment system, so that application user carries out fire-fighting portion according to report
The optimization of administration, precautionary measures.
The purpose of the present invention can be achieved through the following technical solutions.
Lithium battery fire risk assessment system of the present invention, including test device and evaluation scheme,
The test device includes cabinet, and the chassis bottom is provided with bottom plate, and top is provided with cover, the cover one
Side is hinged by transfer roller and cabinet, and the transfer roller is embedded in cabinet top-rear side, and the transfer roller lower end is socketed with axis support, the axis
Support is fixedly connected with cabinet, and the transfer roller left and right sides is symmetrically arranged with slide-bar, the slide-bar upper and lower ends respectively with cover and
Cabinet is fixedly connected；The cabinet front upper interlocking has front panel, and the front panel is provided with power knob；In the cabinet
Trough is offered, the trough mouth is provided with chamber door, the chamber door and cabinet through the positive Middle face of cabinet, the trough outside
Hingedly；The trough has been embedded in reaction warehouse, and the reaction warehouse upper end offers Hatch Opening, and Hatch Opening perforation is set to table on cabinet
Face, the reaction warehouse lower end perforation are provided with plug tube head, and plug tube head lower end is fixed with pedestal, and pedestal internal recessing is provided with air cavity,
Tube head and air cavity intercommunication are filled in, the air cavity is connect by pipeline with gas tank, and electric cylinder, the gas tank are provided in the gas tank
It is fixed on the left of air cavity, the gas tank back side is provided with sensor, and the sensor is fixedly connected with cabinet inner wall；The trough
It is embedded in host, and host is fixed on front panel lower end, the host is built-in with PLC system, the host input terminal difference
It is electrically connected with front panel output end, sensor output, the host output end electrically connects with transmission box, electric cylinder respectively
It connects, the transmission box is fixed on the right side of air cavity, and interlocking has interface board, the interface plate surface aperture setting on the right side of the transmission box
There is a data-interface, the interface board is through case side wall；The cabinet back side interlocking has power supply box, and the power supply box is located at axis
Lower end is held in the palm, the power supply box is electrically connected with host, sensor, transmission box respectively；
The evaluation scheme includes production risk assessment, transport and storage risk assessment, site of deployment observation, live fire-fighting
Capability evaluation, lithium battery test；The production risk assessment is by behavior standard system, producers' safety in lithium battery factory
Consciousness is formed with fire fighting device sophistication assessment in factory, and behavior standard system is specifically by administrative staff according to factory in the factory
Interior each operation behavior standard of equipment is assessed；The transport and storage risk assessment are held comprising lithium battery in transportational process
By outer impact capacity and lithium battery external packing structure intensity, the transport is with storage risk in storage risk assessment with specific reference to life
It produces factory warehouse, transport storage condition humidity judgement in transfer house and transportation terminal warehousing storage；The site of deployment observation
Refer mainly to the concrete application scene of lithium battery, including lithium battery applications are present in communication apparatus, electric carrier, the electrical equipment
It is hit, short circuit, super-charge super-discharge, water inlet hidden danger；Newest fire-fighting of the scene fire-fighting capability evaluation mainly in accordance with country's publication
Specification examines and determine site of deployment；The lithium battery test includes overcharging/putting detection, waterproof detection, the inspection of encapsulating structure intensity
It surveys.
Interlocking has a circle colloid seal circle on the inside of the cover, colloid seal circle and reaction warehouse Hatch Opening when the cover lid closes
It is bonded at each seamed edge.
The sensor includes smoke sensor device and temperature sensor.
Both sides are symmetrically arranged with a pair of of camera in the reaction warehouse, and the cam lens are through reaction warehouse side
Wall, and cam lens intersect focusing and are electrically connected in reaction warehouse middle inside, the camera input terminal and host output end,
The camera output end and transmission box input terminal are electrically connected.
The purpose of the present invention can be also achieved through the following technical solutions
The present invention is based on the appraisal procedures of lithium battery fire risk assessment system, comprising the following steps:
(1) evaluation stage is examined and determine, fire risk measurement is carried out to links locating in lithium battery applications, successively with life
It produces link, transit link, link of storing in a warehouse, be measured using link；
(2) preparation stage is specifically applicable in scene according to lithium battery using test device, carries out quality testing, will specifically survey
Trial assembly sets middle power supply box and is connected with power supply, and docking using data cable and interface board, to connect transmission box and host computer,
Then battery is put into reaction warehouse and carries out pressure break, charge and discharge, waterproof detection, it can bearing load according to lithium battery outer package intensity
Power size, charge and discharge load and waterproof performance obtain lithium battery specifically in the safety index of where applicable；
(3) in production link, appraiser examines according to production equipment each in lithium battery manufacturer, security risk
It examines, and spot-check producers to lithium battery fire degree of understanding, awareness of the importance of fire prevention, while providing lithium battery items according to producer and referring to
Mark, supplemental characteristic and its sample quality report are assessed, and are arranged to data are investigated；
(4) in transit link, assessment is compared according to the report of provided sample quality and specific traffic program；
(5) in link of storing in a warehouse, the investigation of storage space environment is carried out to shipping point of origin, transfer, terminal warehouse；
(6) using in link, according to lithium battery, specifically applicable place is assessed, and is in particular in applicable scene fire-fighting
The investigation of facility, fire bill ability, assesses hidden fire-fighting danger existing for scene；Lotus can be born to applicable electrical equipment
Carry, absorb impact risk, battery installation, connecting portion exposes to the open air, hidden danger of intaking is assessed；According to application place, scene, equipment
Difference, investigator's traffic flow, by fire propagation range；
(7) adjustment report of the receipts of freight and miscellany, can bearing load power size, charge and discharge load and anti-according to lithium battery outer package intensity
It is aqueous manufacturer's quality report, supplemental characteristic to carry out arrangement assessment therewith, and combine production link, transit link, storage
Link is counted using link fire hazard each in link and degree of susceptibility, show that lithium battery fire risk assessment is reported.
Compared with prior art, the beneficial effects brought by the technical solution of the present invention are as follows:
(1) lithium battery fire risk assessment system and method for the present invention is full of using the evaluation scheme of systematization in lithium electricity
Each stage in the life cycle of pond, alignment production storage, transport, carry out Evaluation by Stages using each process, thus according to commenting
Estimate the fire risk that data more specifically show lithium battery, ensure that assessment obtains the reliability of report.
(2) lithium battery fire risk assessment system and method for the present invention can basis according to the detection device provided in system
The difference of lithium battery applications scene selects different detection schemes, to utilize lithium battery external structure load intensity, waterproofness
Resulting specific data are detected in energy and charge and discharge load, verifying is compared with lithium battery specification, quality standard etc., for
Testing staff obtains the actually detected report in lithium battery fire risk assessment by comparing, further ensures fire wind
The reliability and practicability of dangerous assessment system.
(3) invention lithium battery fire risk assessment system and method, the detection device provided in system are lithium battery inspection
It surveys and fire prevention scene is provided, be based primarily upon sensor sensing fire-fighting principle to be convenient for testing staff to detect the volume of lithium battery parameters
Definite value and critical value measure the lithium battery obtained and face while guaranteeing that detection process is safe and stable reliable using fire extinguishing component
The suitability of lithium battery during dividing value data can just confirm, lithium battery fire risk assessment is reported.
Detailed description of the invention
Fig. 1 is lithium battery fire risk assessment overall system architecture schematic diagram of the present invention.
Fig. 2 is lithium battery fire risk assessment internal system structural schematic diagram of the present invention.
Fig. 3 is lithium battery fire risk assessment system side view schematic diagram of internal structure of the present invention.
Fig. 4 is that lithium battery fire risk assessment system of the present invention faces schematic diagram of internal structure.
Fig. 5 is lithium battery fire risk assessment system electrical connection configuration diagram of the present invention.
Fig. 6 is lithium battery fire risk assessment system flow schematic diagram of the present invention.
Appended drawing reference: 1 cabinet, 2 axis supports, 3 covers, 4 front panels, 5 power knobs, 6 chamber doors, 7 slide-bars, 8 transfer rollers, 9 reactions
Storehouse, 10 troughs, 11 hosts, 12 cameras, 13 power supply boxs, 14 bottom plates, 15 sensors, 16 pipelines, 17 gas tanks, 18 plug tube heads, 19
Air cavity, 20 transmission box, 21 interface boards.
Specific embodiment
The invention will be further described with reference to the accompanying drawing.
As shown in Figures 1 to 5, lithium battery fire risk assessment system of the present invention, including test device and evaluation scheme, institute
Stating test device includes cabinet 1, and 1 bottom of cabinet is fixedly connected with bottom plate 14, and bottom plate 14 is insulation micarta, the cabinet
1 top is provided with cover 3, and 3 side of cover is hinged by transfer roller 8 and cabinet 1, and the transfer roller 8 is embedded in 1 back side of cabinet top
End, 8 lower end of transfer roller are socketed with axis support 2, and the axis support 2 is fixedly connected with cabinet 1, and 8 left and right sides of transfer roller is symmetrically set
It is equipped with slide-bar 7,7 upper and lower ends of slide-bar are fixedly connected with cover 3 and cabinet 1 respectively.1 front upper of the cabinet interlocking has
Front panel 4, the front panel 4 are provided with power knob 5.Offer trough 10 in the cabinet 1, trough mouth is through cabinet 1
Positive Middle face, chamber door 6 is provided on the outside of the trough 10, and the chamber door 6 and cabinet 1 are hinged.The trough 10 has been embedded in instead
Storehouse 9 is answered, 9 upper end of reaction warehouse offers Hatch Opening, and Hatch Opening perforation is set to 1 upper surface of cabinet, 9 lower end of the reaction warehouse perforation
It is provided with plug tube head 18, plug 18 lower end of tube head is fixed with pedestal, and pedestal internal recessing is provided with air cavity 19, plug tube head 18 and air cavity 19
Intercommunication, the air cavity 19 are connect by pipeline 16 with gas tank 17, and electric cylinder is provided in the gas tank 17, and the gas tank 17 is solid
Due to 19 left side of air cavity, 17 back side of gas tank is provided with sensor 15, and the sensor 15 is fixedly connected with 1 inner wall of cabinet.
The trough 10 has been embedded in host 11, and host 11 is fixed on 4 lower end of front panel, and the host 11 is built-in with PLC system, institute
It states 11 input terminal of host to be electrically connected with 4 output end of front panel, 15 output end of sensor respectively, 11 output end of the host difference
It is electrically connected with transmission box 20, electric cylinder, the transmission box 20 is fixed on 19 right side of air cavity, rabbets on the right side of the transmission box 20
There is an interface board 21, the 21 surface aperture of interface board is provided with data-interface, and the interface board 21 is through 1 side wall of cabinet.Institute
Stating the interlocking of 1 back side of cabinet has a power supply box 13, and the power supply box 13 is located at 2 lower end of axis support, the power supply box respectively with host 11, biography
Sensor 15, transmission box 20 are electrically connected.
Wherein, interlocking has a circle colloid seal circle on the inside of the cover 3, colloid seal circle and anti-when the lid of cover 3 closes
It answers and is bonded at each seamed edge of 9 Hatch Opening of storehouse, guarantee the air-tightness of reaction warehouse 9 when the lid of cover 3 closes by colloid seal circle, avoid the external world
The real reaction of lithium battery in such environmental effects reaction warehouse 9.
Wherein, the sensor 15 includes smoke sensor device and temperature sensor, incudes lithium battery by sensor 15
The thermal energy and flue gas generated when reaction, the transducing signal that Lai Liyong sensor 15 generates is exported to host 11, and is driven by host 11
It takes offence electric cylinder in tank 17, by gas in electric cylinder compression gas tank 17, to pass through pipeline 16, air cavity 19, plug tube head
18 export nitrogen to reaction warehouse 9.
Wherein, both sides are symmetrically arranged with a pair of of camera 12 in the reaction warehouse 9, and 12 camera lens of camera runs through
In 9 side wall of reaction warehouse, and 12 camera lens of camera intersects focusing in 9 middle inside of reaction warehouse, 12 input terminal of camera and master
11 output end of machine is electrically connected, and 12 output end of camera and 20 input terminal of transmission box are electrically connected, and passes through transmission in device
When case 20, interface board 21 access host computer, Real Time Effect in reaction warehouse 9 can be obtained by camera 12, for testing staff's sight
Examine process, the state when lithium battery reaction.
9 space of reaction warehouse, which is mainly used for detecting for lithium battery, provides reaction compartment, can specifically in lithium battery detection process
By power supply box 13, field power supply is connected therewith, after testing staff passes through 5 device for opening of power knob, opens cover 3 upwards,
The articulated structure of the axis support 2 that is provided with, slide-bar 7 and 8 principal security cover 3 of transfer roller and cabinet 1 is firm and to open process smooth,
So that cover 3 can carry out opening operation along the circular-rotation of axis support 2 by transfer roller 8, then by lithium battery sample, together with inspection
Equipment needed for survey scheme is thrown in reaction warehouse, is then closed cover 3, specific detection scheme is mainly by record pressure value
Hydraulic cutter head and lithium battery sample complete lithium battery outer package intensity can bearing load power size detection, the vessel that are filled with water lithium therewith
Battery sample is completed waterproof performance detection, is short-circuited with the completion charge and discharge of lithium battery sample positive and negative electrode both ends using electricity pincers and cable
Load detection, in the detection process, is continuously increased by hydraulic cutter head and is caused stress to lithium battery sample, lithium battery sample
Deformation process, the lithium battery sample of product are placed in time in the vessel for filling with water, cable ends input, output electric current to lithium battery
Influenced caused by sample, when in items test lithium battery occur smoldering, dieseling when, record hydraulic cutter head and apply number pressure
According to, the time data that are placed in water, charge and discharge charge data, complete detection, for avoid in the detection process lithium battery reacting
Spontaneous combustion in storehouse 9, explosion can be incuded temperature change in reaction warehouse 9 and flue gas by the sensor 15 that 9 lower end of reaction warehouse is arranged
It generates, the transmission transducing signal of Lai Liyong sensor 15 to 11 end of host, and electric cylinder in gas tank 17 is driven by host 11, wherein
Nitrogen is filled in gas tank 17, to be exported by pipeline 16 to air cavity 19, gas then passes through by the nitrogen filled in gas tank 17
It fills in tube head 18 to spray into reaction warehouse 9, dilution oxygen avoids lithium battery sustained combustion during nitrogen is filled with, while using nitrogen
Chemistry property cools down environment in reaction warehouse 9, so that lithium battery be avoided to explode.
As shown in fig. 6, the evaluation scheme includes that production risk assessment, transport and storage risk assessment, site of deployment are seen
It surveys, live fire-fighting capability evaluation, lithium battery test.Production risk assessment by behavior standard system in lithium battery factory,
The assessment of fire fighting device sophistication forms in producers' awareness of safety and factory, and behavior standard system is specifically by administrator in the factory
Member is assessed according to production each operation behavior standard of in-plant equipment.The transport includes in transportational process with storage risk assessment
Lithium battery bears outer impact capacity and lithium battery external packing structure intensity, stores wind in the transport and storage risk assessment
Danger judges with specific reference to storage condition humidity in factory warehouse, transport transfer house and transportation terminal warehousing storage.It is described
Site of deployment, which is observed, refers mainly to the concrete application scene of lithium battery, including lithium battery applications are in communication apparatus, electric carrier, electrical
It is hit present in equipment, short circuit, super-charge super-discharge, water inlet hidden danger.The scene fire-fighting capability evaluation is sent out mainly in accordance with country
The newest fire protection rule of cloth examines and determine site of deployment.The lithium battery test includes to present in lithium battery applications scene
Security risk, is specifically tested by above-mentioned test device, mainly includes discharge/charge detection, waterproof detection, encapsulating structure
Intensity detection.
Wherein, producers' awareness of safety is embodied as the cognition journey to lithium battery reason of fire in production risk assessment
Degree, to the cognition of live fire fighting device whether assess.Transport and storage risk assessment principal security are in battery transportational process, lithium
Weight bearing power when battery packages are shaken by means of transport, impact is influenced avoids leading to lithium battery phase when way is shaken in transit
It mutually squeezes and causes electric pole short circuit, and the case where extensive spontaneous combustion occur, store the storage rings of risk assessment principal security lithium battery
Border is not easy to cause to corrode to lithium battery itself, and aqueous vapor erosion gently then causes lithium battery to fail, heavy then will make elemental lithium in lithium battery
It is reacted with water and generates big calorimetric, extensive spontaneous combustion occur.
The present invention is based on the appraisal procedures of lithium battery fire risk assessment system, comprising the following steps:
(1) evaluation stage is examined and determine, fire risk measurement is carried out to links locating in lithium battery applications, successively with life
It produces link, transit link, link of storing in a warehouse, be measured using link；
(2) preparation stage is specifically applicable in scene according to lithium battery using test device, carries out quality testing, will specifically survey
Trial assembly sets middle power supply box 13 and is connected with power supply, and docking using data cable and interface board 21, come connect transmission box 20 with it is electric
Battery is then put into the detection that the various ways such as pressure break, charge and discharge, waterproof are carried out in reaction warehouse 9, according to lithium battery by brain server
Outer package intensity can bearing load power size, charge and discharge load and waterproof performance, obtain lithium battery specifically in where applicable
Safety index；
(3) in production link, appraiser examines according to production equipment each in lithium battery manufacturer, security risk
It examines, and spot-check producers to lithium battery fire degree of understanding, awareness of the importance of fire prevention, while providing lithium battery items according to producer and referring to
Mark, supplemental characteristic and its sample quality report are assessed, and are arranged to data are investigated；
(4) in transit link, assessment is compared according to the report of provided sample quality and specific traffic program；
(5) in link of storing in a warehouse, the investigation of storage space environment is carried out to shipping point of origin, transfer, terminal warehouse；
(6) using in link, according to lithium battery, specifically applicable place is assessed, and is in particular in applicable scene fire-fighting
The investigation of facility, fire bill ability, assesses hidden fire-fighting danger existing for scene；Lotus can be born to applicable electrical equipment
Carry, absorb impact risk, battery installation, connecting portion exposes to the open air, hidden danger of intaking is assessed；According to application place, scene, equipment
Difference, investigator's traffic flow, by fire propagation range；
(7) adjustment report of the receipts of freight and miscellany, can bearing load power size, charge and discharge load and anti-according to lithium battery outer package intensity
It is aqueous manufacturer's quality report, supplemental characteristic to carry out arrangement assessment therewith, and combine production link, transit link, storage
Link is counted using link fire hazard each in link and degree of susceptibility, show that lithium battery fire risk assessment is reported.
Lithium battery fire risk assessment system of the present invention, including test device and evaluation scheme, both tool is indivisible,
Test device is mainly by the separate space being arranged based on reaction warehouse 9, to calculate every spontaneous combustion hidden danger of detection lithium battery, device
It may not only facilitate the sensor that testing staff is arranged according to practical application place using different detection schemes, reaction warehouse 9 outside
15, extinguishing by cooling component, it is ensured that safety in the detection process, to guarantee that testing staff can detect lithium battery by device
Indices load critical value, ensure that the applicability of device, evaluation scheme according to lithium battery from production, outbound, transport,
It each stage such as uses to carry out fire assessment, and carries out comparing according to detection device institute's determination data, facilitate detection
Personnel carry out report arrangement by Data Integration, than Peer, show lithium battery fire wind with apparent, refinement data
Danger, for fire bill, the optimization of lithium battery quality.
Although function and the course of work of the invention are described above in conjunction with attached drawing, the invention is not limited to
Above-mentioned concrete function and the course of work, the above mentioned embodiment is only schematical, rather than restrictive, ability
The those of ordinary skill in domain under the inspiration of the present invention, is not departing from present inventive concept and scope of the claimed protection situation
Under, many forms can also be made, all of these belong to the protection of the present invention.
Claims (5)
1. a kind of lithium battery fire risk assessment system, including test device and evaluation scheme, which is characterized in that
The test device includes cabinet (1), and cabinet (1) bottom is provided with bottom plate (14), and top is provided with cover (3),
Hingedly by transfer roller (8) and cabinet (1), the transfer roller (8) is embedded in cabinet (1) top-rear side, described for cover (3) side
Transfer roller (8) lower end is socketed with axis support (2), and the axis support (2) is fixedly connected with cabinet (1), symmetrical at left and right sides of the transfer roller (8)
It is provided with slide-bar (7), slide-bar (7) upper and lower ends are fixedly connected with cover (3) and cabinet (1) respectively；The cabinet (1) is just
The interlocking of face top has front panel (4), and the front panel (4) is provided with power knob (5)；Trough is offered in the cabinet (1)
(10), trough mouth is provided with chamber door (6) through cabinet (1) positive Middle face on the outside of the trough (10), the chamber door (6) with
Cabinet (1) is hinged；The trough (10) has been embedded in reaction warehouse (9), and reaction warehouse (9) upper end offers Hatch Opening, and Hatch Opening passes through
Logical to be set to cabinet (1) upper surface, reaction warehouse (9) the lower end perforation is provided with plug tube head (18), and plug tube head (18) lower end is solid
Surely there is pedestal, pedestal internal recessing is provided with air cavity (19), and plug tube head (18) and air cavity (19) intercommunication, the air cavity (19) pass through pipe
Road (16) is connect with gas tank (17), is provided with electric cylinder in the gas tank (17), the gas tank (17) is fixed on air cavity (19)
Left side, gas tank (17) back side are provided with sensor (15), and the sensor (15) is fixedly connected with cabinet (1) inner wall；Institute
It states trough (10) to be embedded in host (11), and host (11) is fixed on front panel (4) lower end, the host (11) is built-in with
PLC system, host (11) input terminal is electrically connected with front panel (4) output end, sensor (15) output end respectively, described
Host (11) output end is electrically connected with transmission box (20), electric cylinder respectively, and the transmission box (20) is fixed on air cavity (19)
Right side, transmission box (20) right side interlocking have interface board (21), and interface board (21) the surface aperture is provided with data-interface,
The interface board (21) is through cabinet (1) side wall；Cabinet (1) back side interlocking has power supply box (13), the power supply box
(13) it is located at axis support (2) lower end, the power supply box (13) electrically connects with host (11), sensor (15), transmission box (20) respectively
It connects；
The evaluation scheme includes production risk assessment, transport and storage risk assessment, site of deployment observation, live fire-fighting ability
Assessment, lithium battery test；The production risk assessment is by behavior standard system, producers' awareness of safety in lithium battery factory
It is formed with fire fighting device sophistication assessment in factory, behavior standard system in factory specifically by administrative staff according to setting in the factory
Standby each operation behavior standard is assessed；The transport and storage risk assessment include in transportational process lithium battery bear it is outer
Impact capacity and lithium battery external packing structure intensity, the transport is with storage risk in storage risk assessment with specific reference to factory
Storage condition humidity judges in warehouse, transport transfer house and transportation terminal warehousing storage；The site of deployment observation is main
Refer to that the concrete application scene of lithium battery, including lithium battery applications are rushed present in communication apparatus, electric carrier, the electrical equipment
It hits, short circuit, super-charge super-discharge, water inlet hidden danger；Newest fire protection rule of the scene fire-fighting capability evaluation mainly in accordance with country's publication
Site of deployment is examined and determine；The lithium battery test includes overcharging/putting detection, waterproof detection, encapsulating structure intensity detection.
2. lithium battery fire risk assessment system according to claim 1, which is characterized in that embedding on the inside of the cover (3)
It is connected to a circle colloid seal circle, is bonded at colloid seal circle and each seamed edge of reaction warehouse (9) Hatch Opening when cover (3) lid closes.
3. lithium battery fire risk assessment system according to claim 1, which is characterized in that the sensor (15) includes
There are smoke sensor device and temperature sensor.
4. lithium battery fire risk assessment system according to claim 1, which is characterized in that in the reaction warehouse (9) just
Back two sides is symmetrically arranged with a pair of of camera (12), and camera (12) camera lens is through reaction warehouse (9) side wall, and camera
(12) camera lens intersects focusing in reaction warehouse (9) middle inside, and camera (12) input terminal and host (11) output end are electrical
Connection, camera (12) output end and transmission box (20) input terminal are electrically connected.
5. a kind of assessment side based on lithium battery fire risk assessment system described in any one of the claims 1 to 4
Method, which comprises the following steps:
(a) evaluation stage is examined and determine, fire risk measurement is carried out to links locating in lithium battery applications, successively to produce ring
Section, transit link, link of storing in a warehouse are measured using link；
(b) preparation stage is specifically applicable in scene according to lithium battery, carries out quality testing, specifically fill test using test device
Set middle power supply box (13) to be connected with power supply, and docking using data cable and interface board (21), come connect transmission box (20) and
Battery is then put into reaction warehouse (9) and carries out pressure break, charge and discharge, waterproof detection by host computer, strong according to lithium battery outer package
Degree can bearing load power size, charge and discharge load and waterproof performance, obtain lithium battery specifically refer in the safety of where applicable
Number；
(c) in production link, appraiser investigates according to production equipment each in lithium battery manufacturer, security risk, and
Producers are spot-check to lithium battery fire degree of understanding, awareness of the importance of fire prevention, while providing lithium battery indices, parameter according to producer
Data and its sample quality report are assessed, and are arranged to data are investigated；
(d) in transit link, assessment is compared according to the report of provided sample quality and specific traffic program；
(e) in link of storing in a warehouse, the investigation of storage space environment is carried out to shipping point of origin, transfer, terminal warehouse；
(f) using in link, according to lithium battery, specifically applicable place is assessed, and is in particular in and is set to applicable scene fire-fighting
It applies, the investigation of fire bill ability, hidden fire-fighting danger existing for scene is assessed；To applicable electrical equipment can bearing load,
Absorb impact risk, battery installation, connecting portion exposes to the open air, hidden danger of intaking is assessed；According to application place, scene, equipment
Difference, investigator's traffic flow, by fire propagation range；
(g) adjustment report of the receipts of freight and miscellany, can bearing load power size, charge and discharge load and waterproofness according to lithium battery outer package intensity
Manufacturer's quality report, supplemental characteristic can carry out arrangement assessment therewith, and combine production link, transit link, storage link,
It is counted using link fire hazard each in link and degree of susceptibility, show that lithium battery fire risk assessment is reported.
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| CN201910431105.5A CN110222958A (en) | 2019-05-22 | 2019-05-22 | A kind of lithium battery fire risk assessment system and method |
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| CN116452084A (en) * | 2023-04-03 | 2023-07-18 | 南京工业大学 | Lithium battery transportation risk assessment method |
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