CN109813755A - A kind of pressurized tank measuring lithium battery blast characteristics parameter - Google Patents
A kind of pressurized tank measuring lithium battery blast characteristics parameter Download PDFInfo
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- CN109813755A CN109813755A CN201910234861.9A CN201910234861A CN109813755A CN 109813755 A CN109813755 A CN 109813755A CN 201910234861 A CN201910234861 A CN 201910234861A CN 109813755 A CN109813755 A CN 109813755A
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- Prior art keywords
- lithium battery
- tank body
- rod
- grip block
- bracket
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 62
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 230000006835 compression Effects 0.000 claims abstract description 12
- 238000007906 compression Methods 0.000 claims abstract description 12
- 239000000523 sample Substances 0.000 claims abstract description 12
- 230000000712 assembly Effects 0.000 claims description 25
- 238000000429 assembly Methods 0.000 claims description 25
- 238000004891 communication Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000001464 adherent effect Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 7
- 238000012360 testing method Methods 0.000 abstract description 7
- 239000002360 explosive Substances 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 12
- 238000002474 experimental method Methods 0.000 description 5
- 230000009466 transformation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 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 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Secondary Cells (AREA)
Abstract
The present invention relates to a kind of pressurized tanks for measuring lithium battery blast characteristics parameter, including pressurized vessel and data acquisition equipment, pressurized vessel includes cover and tank body, cover and tank body are tightly connected, it is equipped with pressure gauge, safety valve, exhaust valve above cover, pressure probe and gas detecting instrument are fixed with below cover, the inner sidewall of tank body is equipped with resistance to compression camera, the inner bottom wall of tank body is equipped with the lithium battery bracket for fixing lithium battery, is additionally provided with several heating rods and several thermocouples on lithium battery bracket；Pressure probe, resistance to compression camera, gas detecting instrument and several thermocouples and data acquisition equipment communicate to connect, several heating rods and power electric connection.The present invention realizes the measurement to lithium battery blast characteristics parameter under various circumstances, including temperature, pressure and gas composition transfer, and observes equipped with video camera explosive event in tank.Meanwhile lithium battery bracket of the invention can cooperate a variety of lithium battery tests to use, and improve test efficiency.
Description
Technical field
The present invention relates to the technical fields of lithium battery blast characteristics test, and it is quick-fried to particularly relate to a kind of measurement lithium battery
The pressurized tank of fried characterisitic parameter.
Background technique
Lithium battery has the characteristics that power density height, good cycle, does not have memory effect, is now widely used for each
In class of electronic devices.However, since itself composition material has risk, lithium battery and its dresses such as strong, the structure rapid wear of oxidisability
Burning and explosion accident caused by setting take place frequently.The burning and blast process theory and experiment for carrying out single and multiple lithium batteries are ground
Study carefully, there is important economy and society meaning.
In the relevant blast characteristics research of lithium battery, had no at present for 18650 type lithium battery blast characteristics of measurement
Special pressure tank, existing pressurized tank are chiefly used in chemical field or field of food, and it is several quick-fried to be not used to lithium battery in transformation environment
The measurement of fried parameter.So how to measure the blast characteristics of single and multiple lithium batteries under various circumstances, it is one and urgently solves
Certainly the problem of.In existing research, the open space in Plain measures research to researcher mostly, but since lithium battery explodes
Than relatively hazardous, the experiment of open space is easy to damage personnel's property.In recent years, as Civil Aviation Industry lithium battery is caused danger
Event increases, the blast characteristics that lithium battery is studied under transformation environment are urgently carried out.The pressure of blast characteristics for lithium battery
Tank needs good leakproofness, and experimental study can be made to carry out under the conditions of transformation.
In view of the above problems, the invention proposes a kind of lithium battery explosion test special pressure tank, it can be achieved that in transformation ring
The measurement of lithium battery blast characteristics parameter under border.
Summary of the invention
In order to solve the above-mentioned problems in the prior art, the purpose of the present invention is to provide a kind of measurement lithium battery is quick-fried
The pressurized tank of fried characterisitic parameter.
To achieve the above object, the technical solution adopted by the present invention are as follows:
A kind of pressurized tank measuring lithium battery blast characteristics parameter, including pressurized vessel and data acquisition equipment, the pressurized tank
Body includes cover and tank body, and the cover and tank body are tightly connected, and pressure gauge, safety valve, exhaust valve are equipped with above the cover,
Pressure probe and gas detecting instrument are fixed with below the cover, the inner sidewall of the tank body is equipped with resistance to compression camera, described
The inner bottom wall of tank body is equipped with lithium battery bracket for fixing lithium battery, if the lithium battery bracket be equipped with several heating rods and
Xeothermic galvanic couple；
The pressure probe, resistance to compression camera, gas detecting instrument and several thermocouples are communicated to connect with data acquisition equipment, if
The heating rod is done to be electrically connected to a power source.
In above-mentioned technical proposal, the lithium battery bracket includes bracket and clamping piece, and the pedestal lower end is fixed on tank body
In inner bottom wall, the frame upper is equipped with the clamping piece, and the clamping piece includes two folder rods disposed in parallel, each folder
The both ends of rod are provided with a link block, and the link block being oppositely arranged between two folder rods by two Duis connects, each pair of
It is bolted between the link block being oppositely arranged；
It is also equipped at intervals with several first clamp assemblies and several second clamp assemblies on each folder rod, and is disposed therein a folder
The first clamp assemblies on rod press from both sides the second clamp assemblies relative engagement on rod with another is arranged in.
In above-mentioned technical proposal, each first clamp assemblies include the first grip block and two the first fixed blocks, institute
It states and is equipped with heating rod in the first grip block, first grip block bottom is threaded through on corresponding folder rod, and described first
The two sides of grip block bottom respectively correspond the one end being embedded into two first fixed blocks, two first fixed blocks it is another
One end is socketed on corresponding folder rod；
Each second clamp assemblies include the second grip block and two the second fixed blocks, are equipped with heat in second grip block
Galvanic couple, second grip block bottom are threaded through on corresponding folder rod, the two sides difference of second grip block bottom
Correspondence is embedded one end into two second fixed blocks, and the other end of two second fixed blocks is socketed in contrast
On the folder rod answered.
In above-mentioned technical proposal, the cover and tank body are all made of high strength heat resistant steel, and the cover and tank body it
Between be equipped with sealing ring.
In above-mentioned technical proposal, the adherent arrangement of wire rod of communication connection and electrical connection in the pressurized vessel, and it is described
Wire rod is the high temperature resistant wire rod of insulation.
Compared with prior art, the beneficial effects of the present invention are:
1, the present invention realize the measurement to lithium battery blast characteristics parameter under various circumstances, including temperature, pressure and gas at
Divide variation, and explosive event in tank is observed equipped with video camera.
2, multiple first clamp assemblies being equipped at intervals on rod are pressed from both sides and multiple second clamp assemblies spacing are adjustable；Correspondence sets up separately
The first clamp assemblies and the second clamp assemblies on folder rod can be pressed from both sides for clamping lithium battery by adjusting the distance of two folder rods
The lithium battery of different size specification is held, to realize that a lithium battery bracket can cooperate a variety of lithium battery tests to use, improves examination
Test efficiency.
3, tank body can high temperature resistant, resistance to blast impulse, arrangement can be insulated so that acquisition lithium battery data more refine.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of lithium battery bracket 6 in the present invention；
Fig. 3 is the cross-sectional view in Fig. 2 on the direction A-A；
Fig. 4 is the front view of the first clamp assemblies；
Fig. 5 is the cross-sectional view in Fig. 4 on the direction B-B；
Fig. 6 is the cross-sectional view in Fig. 4 on the direction C-C；
Fig. 7 is the front view of the second clamp assemblies；
Fig. 8 is the cross-sectional view in Fig. 7 on the direction D-D；
Fig. 9 is the schematic diagram of data acquisition of the present invention；
Drawing reference numeral explanation:
1, pressurized vessel；1a, cover；1b, tank body；2, pressure gauge；3, safety valve；4, exhaust valve；5, pressure probe；6, lithium battery
Bracket；6a, lithium battery；6b, heating rod；6c, thermocouple；7, resistance to compression camera；8, gas detecting instrument；9, data acquisition equipment；
10, power supply；
6-1, bracket；6-2, clamping piece；6-3, folder rod；6-4, link block；6-5, the first clamp assemblies；6-5a, the first grip block；
6-5b, the first fixed block；6-6, the second clamp assemblies；6-6a, the second grip block；6-6b, the second fixed block.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
The drawings and specific embodiments, how the present invention is further explained implements.
As shown in Fig. 1 and Fig. 9, a kind of pressurized tank measuring lithium battery blast characteristics parameter, including pressurized vessel 1 and data
Equipment 9 is acquired, pressurized vessel 1 is tightly connected including cover 1a and tank body 1b, cover 1a and tank body 1b, and pressure is equipped with above cover 1a
Power table 2, safety valve 3, exhaust valve 4 are fixed with pressure probe 5 and gas detecting instrument 8 below cover 11,
The inner sidewall of tank body 1b is equipped with resistance to compression camera 7, and the inner bottom wall of tank body 1b is equipped with the lithium electricity for fixing lithium battery 6a
Pond bracket 6, lithium battery bracket 6 are equipped with several heating rod 6b and several thermocouple 6c；
Pressure probe 5, resistance to compression camera 7, gas detecting instrument 8 and several thermocouple 6c are communicated to connect with data acquisition equipment 9,
Several heating rod 6b are electrically connected with power supply 10.
As shown in Fig. 2, lithium battery bracket 6 includes bracket 6-1 and clamping piece 6-2, the lower end bracket 6-1 is fixed in tank body 1b
On bottom wall, the top bracket 6-1 is equipped with clamping piece 6-2；Clamping piece 6-2 includes two folder rod 6-3 disposed in parallel, each folder rod
The both ends of 6-3 are provided with the link block 6-4 being oppositely arranged between link block a 6-4, two folder rod 6-3 by two Duis and connect
It connects, is bolted between each pair of link block 6-4 being oppositely arranged；Specifically, two folder rod 6-3 disposed in parallel are both passed through
The through slot that the top bracket 6-1 is equipped with, and each folder rod passes through bolt and is fixedly connected with bracket 6-1.
Several first clamp assemblies 6-5 and several second clamp assemblies 6-6 are also equipped at intervals on each folder rod 6-3, and are set
The the second clamp assemblies 6- for setting the first clamp assemblies 6-5 pressed from both sides on rod 6-3 at wherein one and being arranged on another folder rod 6-3
6 relative engagements.
As shown in Figures 3 to 6, each first clamp assemblies 6-5 includes the first grip block 6-5a and two the first fixed blocks
Heating rod 6b is equipped in 6-5b, the first grip block 6-5a, the first bottom grip block 6-5a is threaded through corresponding folder rod 6-3
On, the two sides of the first bottom grip block 6-5a respectively correspond the one end being embedded into two the first fixed block 6-5b, and two first are solid
The other end for determining block 6-5b is socketed on corresponding folder rod 6-3.
As shown in Figure 7 and Figure 8, each second clamp assemblies 6-6 includes the second grip block 6-6a and two the second fixed blocks
Thermocouple 6c is equipped in 6-6b, the second grip block 6-6a, the second bottom grip block 6-6a is threaded through corresponding folder rod 6-3
On, the two sides of the second bottom grip block 6-6a respectively correspond the one end being embedded into two the second fixed block 6-6b, and two second are solid
The other end for determining block 6-6b is socketed on corresponding folder rod 6-3；
In the present invention, cover 1a and tank body 1b are all made of high strength heat resistant steel, such as 0Cr25Ni20 heat-resistance stainless steel, cover 1a
Sealing ring is equipped between tank body 1b.
In the present invention, the adherent arrangement of wire rod of communication connection and electrical connection in pressurized vessel 1, and wire rod is the resistance to height of insulation
Warm wire rod, such as UL3135-12AWG electric wire.
In the present invention, pressure gauge 2 is common pressure gauge in the market, such as Y-200BF pressure gauge, for showing pressurized vessel
Interior pressure；
Heating rod 6b provides the condition of lithium battery explosion for heating to lithium battery 6a；
Thermocouple 6c, for recording the temperature of lithium battery local environment in pressurized vessel 1 in real time, such as K-type thermocouple；
Pressure probe 5 is used for the intracorporal pressure of detection pressure tank, such as PT124B-215 pressure transmitter；
Resistance to compression camera 7 is used to acquire the video image of lithium battery 6a explosive event in pressurized vessel, such as happy outstanding camera；
Gas detecting instrument 8, for detecting pressurized vessel composition of gases within, such as optima7 gas detecting instrument；
Data acquisition equipment 9, for acquiring the pressure probe 5 in pressure can 1, resistance to compression camera 7, gas detecting instrument 8 and heat
The information of galvanic couple 6c, such as SIN-R200D recording instrument without paper.
The working principle of the invention:
Cover 1a is opened, according to the requirement of lithium battery blast characteristics testing experiment, adjusts clamping piece 6- on setting lithium battery bracket 6
Lithium battery 6a is fixed between the upper first grip block 6-5a of clamping piece 6-2 and the second grip block 6-6a by 2 spacing, clamping
Folder rod 6-3 on part 6-2 is tightened by bolt and nut, so that lithium battery 6a fixation be stepped up；Connection pressure probe 5, resistance to compression are taken the photograph
As 10 line of communication line and heating rod 6b and power supply of first 7, gas detecting instrument 8 and thermocouple 6c and data acquisition equipment 9
Road；Close cover 1a, when experiment starts heating rod 6b, so that lithium battery is exploded, and pass through the collection pressure of data acquisition equipment 9
The video image of explosive event in temperature, pressure, gas componant change information and tank in tank body 1, and record experiment number
According to.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (5)
1. a kind of pressurized tank for measuring lithium battery blast characteristics parameter, including pressurized vessel (1) and data acquisition equipment (9), institute
Stating pressurized vessel (1) includes the cover (1a) and tank body (1b) being tightly connected, which is characterized in that is equipped with above the cover (1a)
Pressure gauge (2), safety valve (3), exhaust valve (4), cover (11) lower section are fixed with pressure probe (5) and gas detecting instrument
(8), the inner sidewall of the tank body (1b) is equipped with resistance to compression camera (7), and the inner bottom wall of the tank body (1b) is equipped with for fixing
The lithium battery bracket (6) of lithium battery (6a) is additionally provided with several heating rods (6b) and several thermocouples on the lithium battery bracket (6)
(6c)；The pressure probe (5), resistance to compression camera (7), gas detecting instrument (8) and several thermocouples (6c) are acquired with data
Equipment (9) communication connection, several heating rods (6b) are electrically connected with power supply (10).
2. a kind of pressurized tank for measuring lithium battery blast characteristics parameter according to claim 1, which is characterized in that the lithium
Battery bracket (6) includes bracket (6-1) and clamping piece (6-2), and bracket (6-1) lower end is fixed on tank body (1b) inner bottom wall
On, bracket (6-1) top is equipped with the clamping piece (6-2), and the clamping piece (6-2) includes two folders disposed in parallel
Rod (6-3), the both ends of each folder rod (6-3) are provided with a link block (6-4), pass through two pairs between two folder rods (6-3)
The link block (6-4) being oppositely arranged connects, and is bolted between each pair of opposite link block (6-4) being equipped with；Each folder rod
It is also equipped at intervals with several first clamp assemblies (6-5) and several second clamp assemblies (6-6) on (6-3), and is disposed therein one
The second clamp assemblies (6-6) phase of the first clamp assemblies 6-5 with setting on another folder rod (6-3) on a folder rod (6-3)
To cooperation.
3. a kind of pressurized tank for measuring lithium battery blast characteristics parameter according to claim 2, which is characterized in that Mei Gesuo
Stating the first clamp assemblies (6-5) includes the first grip block (6-5a) and two the first fixed blocks (6-5b), first grip block
It is equipped with heating rod (6b) in (6-5a), the first grip block (6-5a) bottom is threaded through on corresponding folder rod (6-3),
The two sides of first grip block (6-5a) bottom respectively correspond the one end being embedded into two first fixed blocks (6-5b), and two
The other end of a first fixed block (6-5b) is socketed on corresponding folder rod (6-3)；Each second folder
Holding component (6-6) includes the second grip block (6-6a) and two the second fixed blocks (6-6b), and second grip block (6-6a) is interior
Equipped with thermocouple (6c), the second grip block (6-6a) bottom is threaded through on corresponding folder rod (6-3), and described second
The two sides of the bottom grip block (6-6a) respectively correspond the one end being embedded into two second fixed blocks (6-6b), and two described
The other end of two fixed blocks (6-6b) is socketed on corresponding folder rod (6-3).
4. a kind of pressurized tank for measuring lithium battery blast characteristics parameter according to claim 1, which is characterized in that the tank
Lid (1a) and tank body (1b) are all made of high strength heat resistant steel, and sealing ring is equipped between the cover (1a) and tank body (1b).
5. a kind of pressurized tank for measuring lithium battery blast characteristics parameter according to claim 1, which is characterized in that the pressure
The adherent arrangement of wire rod of communication connection and electrical connection in power tank body (1), and the wire rod is the high temperature resistant wire rod of insulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910234861.9A CN109813755A (en) | 2019-03-26 | 2019-03-26 | A kind of pressurized tank measuring lithium battery blast characteristics parameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910234861.9A CN109813755A (en) | 2019-03-26 | 2019-03-26 | A kind of pressurized tank measuring lithium battery blast characteristics parameter |
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| Publication Number | Publication Date |
|---|---|
| CN109813755A true CN109813755A (en) | 2019-05-28 |
Family
ID=66610516
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910234861.9A Pending CN109813755A (en) | 2019-03-26 | 2019-03-26 | A kind of pressurized tank measuring lithium battery blast characteristics parameter |
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| Country | Link |
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| CN (1) | CN109813755A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020232677A1 (en) * | 2019-05-22 | 2020-11-26 | 上海观流智能科技有限公司 | Ion-selective electrode, ion detection sensor and ion detection system |
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| CN109374680A (en) * | 2018-10-30 | 2019-02-22 | 中国民用航空飞行学院 | 18650 type lithium ion battery explosive characteristic research methods |
| CN209745856U (en) * | 2019-03-26 | 2019-12-06 | 中国民用航空飞行学院 | pressure tank for measuring explosion characteristic parameters of lithium battery |
-
2019
- 2019-03-26 CN CN201910234861.9A patent/CN109813755A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208013388U (en) * | 2018-02-08 | 2018-10-26 | 公安部四川消防研究所 | A kind of battery fire explosion chamber |
| CN207967193U (en) * | 2018-04-12 | 2018-10-12 | 中国民用航空飞行学院 | A kind of cylindrical lithium battery fires experiment special fixture |
| CN109374680A (en) * | 2018-10-30 | 2019-02-22 | 中国民用航空飞行学院 | 18650 type lithium ion battery explosive characteristic research methods |
| CN209745856U (en) * | 2019-03-26 | 2019-12-06 | 中国民用航空飞行学院 | pressure tank for measuring explosion characteristic parameters of lithium battery |
Non-Patent Citations (1)
| Title |
|---|
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| WO2020232677A1 (en) * | 2019-05-22 | 2020-11-26 | 上海观流智能科技有限公司 | Ion-selective electrode, ion detection sensor and ion detection system |
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Application publication date: 20190528 |