CN208334592U - Porous membrane security test device - Google Patents
Porous membrane security test device Download PDFInfo
- Publication number
- CN208334592U CN208334592U CN201820849854.0U CN201820849854U CN208334592U CN 208334592 U CN208334592 U CN 208334592U CN 201820849854 U CN201820849854 U CN 201820849854U CN 208334592 U CN208334592 U CN 208334592U
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- cabinet
- porous membrane
- lower platen
- test device
- top board
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Abstract
The utility model provides a kind of porous membrane security test device, comprising: cabinet, for providing test zone and fixed frame;Conductive pressing plate is set in cabinet, top board and lower platen with spaced and parallel setting, and top board and lower platen include opposite polarity collector;Bolt, including screw rod, compass and bearing, screw rod with threaded hole by being cooperatively connected on cabinet;Sheet metal, for puncturing porous membrane;Dial plate is set to outside the cabinet, for the voltage and current in measuring circuit;Power supply is set to outside the cabinet, for providing the operating voltage of test device.By simulating lithium ion battery structure, the security performance of lithium ion battery is tested, tests and does not contain electrolyte in environment, do not pollute the environment;Without using lithium ion battery in kind, do not have it is on fire in addition explosion the phenomenon that, without security risk and non-waste of resource;Test process influence factor is few, and data are reliable, easy to operate.
Description
Technical field
It is porous more particularly to a kind of lithium ion battery the utility model relates to lithium ion battery safety test technical field
Film security test device.
Background technique
Lithium ion battery with we life connection it is more and more closer, it is small arrive smartwatch, arrive electric car greatly, there is lithium
The figure of battery, lithium battery include chargeable lithium electricity and not rechargeable lithium battery.Lithium ion battery is a kind of rechargeable battery, it
Relying primarily on lithium ion, movement carrys out work between a positive electrode and a negative electrode.In charge and discharge process, lithium ion is between two electrodes
Round-trip insertion and deintercalation.When charging, lithium ion is embedded in cathode from positive deintercalation, by electrolyte, and cathode is in lithium-rich state;It puts
It is then opposite when electric.And when internal short-circuit occurs for lithium ion battery, battery can be brought rapidly up to several hundred degrees Celsius, occurred hot
Fried danger, causes the life and property loss of people, on the net also it is commonly reported that electric car is led because the generation of cell safety problem is on fire
Cause car owner by grievous injury, so the safety of lithium ion battery is concerned.
Currently, the method for lithium ion battery safety performance test is numerous, wherein " power accumulator for electric vehicle is wanted safely
Ask and test method " in national standard, there is a lancing test to come inside simulated battery due to lithium deposition, manufacturing defect or other
The safety of short circuit caused by reason will be filled with the lithium ion battery of electricity usually using large size needle stick experimental machine, straight with one
Diameter 3mm~8mm steel needle pierces through battery by specific speed in the middle part of battery, and test condition is severe, since lithium ion battery energy is close
Degree is high, and electrolyte contains numerous flammable organic compounds, and tested lithium ion battery often occurs smoldering, is on fire or even quick-fried
Fried phenomenon, not only waste of resource, more causes the pollution of environment and the health of tester, personal safety.
It is therefore necessary to propose a kind of porous membrane security test device, the safety of lithium ion battery can be characterized indirectly
Property, and test process no pollution to the environment, without security risk, test process influence factor is few, and data are reliable.
Utility model content
In view of the foregoing deficiencies of prior art, the purpose of this utility model is to provide a kind of porous membrane safeties
Test device, for solving the complicated, environmental pollution using the safety operation of lancing test lithium ion battery in the prior art
Greatly, there is a problem of that security risk, test result influence factor are more etc..
In order to achieve the above objects and other related objects, the utility model provides a kind of porous membrane security test dress
It sets, comprising:
Cabinet, for providing test zone and fixed frame, the front of the cabinet is provided with dodge gate, the cabinet
Top surface is provided with threaded hole, and the bottom surface of the cabinet is provided with pillar, and the cabinet is provided with wiring hole, and the wiring hole is used for
Outside line is introduced in the cabinet;
Conductive pressing plate is set in the cabinet, top board and lower platen with spaced and parallel setting, and the upper pressure
Plate and lower platen include opposite polarity collector, wherein the lower platen is connected by the bottom surface of the pillar and the cabinet
It connects, porous membrane is placed in the surface of the lower platen;
Bolt, including screw rod, compass and bearing, the compass are fixedly connected with the upper end of the screw rod, the bearing
It inside encloses and is fixedly connected with the lower end of the screw rod, the periphery of the bearing is fixedly connected with the top board, to guarantee on described
Pressing plate will not be rotated with the screw rod, wherein the screw rod with the threaded hole by being cooperatively connected on the cabinet;
Sheet metal is placed on the porous membrane, described more for puncturing when the top board and lower platen extruding
Hole film;
Dial plate is set to outside the cabinet, and dial plate conducting wire is electrically connected by the wiring hole and the top board and lower platen
It connecing, the dial plate includes voltmeter and ammeter, and the voltmeter is used to test the top board and push the voltage of board ends,
The ammeter is used for the electric current tested between the top board and lower platen;
Power supply is set to outside the cabinet, and power lead is electrically connected by the wiring hole and the top board and lower platen
It connects, the power supply is used to provide the described the operating voltage of test device.
Preferably, the porous membrane security test device further includes air cooling section, intracorporal for reducing the case
Temperature,
Further, the back side of the cabinet is provided with air inlet and air outlet, and the air cooling section includes air blower, institute
It states air blower and is set to the air inlet.
Preferably, it is provided with observation window on the dodge gate, tempered glass is installed on the observation window.
Preferably, the cabinet further includes the limited post extended from the box top to the tank floor, the limit
The free end of position column is lower than the lower platen, for preventing the top board from the screw rod being followed to rotate.
Further, the cabinet includes 2 limited posts, and the limited post includes polyimides limited post.
Preferably, the wiring hole is set to the left side and right side of the cabinet.
Preferably, the dodge gate is flexibly connected by hinge with the cabinet.
Preferably, the lower platen is connect by 5 pillars with the bottom surface of the cabinet, wherein 4 pillars
It is set to the corner of the lower platen, another 1 pillar is set to the middle part of the lower platen.
Preferably, the cabinet includes metal cabinet, and the pillar includes polyimides pillar, and the sheet metal includes nickel
Piece, the opposite polarity collector include positivity collector and negativity collector, and the positivity collector includes aluminium sheet, described
Negativity collector includes copper sheet.
As described above, the porous membrane security test device of the utility model, has the advantages that and passes through simulation
Lithium ion battery structure, the security performance of battery short circuit, test wrapper caused by test lithium ion battery is ruptured due to porous membrane
Electrolyte is not contained in border, so not polluting the environment;Without using lithium ion battery in kind, on fire or even explosion show is not had
As so without security risk and non-waste of resource;Test process influence factor is few, and data are reliable, easy to operate.
Detailed description of the invention
Fig. 1 is shown as the structural schematic diagram of the porous membrane security test device box of the utility model.
Fig. 2 is shown as the structural schematic diagram of the porous membrane security test device bolt of the utility model.
Fig. 3 is shown as the structural schematic diagram of the porous membrane security test device conductive pressing plate of the utility model.
Component label instructions
1 cabinet
11 dodge gates
111 observation windows
12 threaded holes
13 pillars
14 wiring holes
15 air inlets
16 air outlets
17 limited posts
18 hinges
2 conductive pressing plates
21 top boards
22 lower platens
3 porous membranes
4 bolts
41 screw rods
42 compass
43 bearings
5 sheet metals
6 dial plates
Specific embodiment
The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model easily.
Please refer to FIG. 1 to FIG. 3.It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to
Cooperate the revealed content of specification, so that those skilled in the art understands and reads, is not intended to limit the utility model
Enforceable qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or size
Adjustment, in the case where not influencing the effect of the utility model can be generated and the purpose that can reach, should all still fall in the utility model
Revealed technology contents obtain in the range of capable of covering.Meanwhile in this specification it is cited as "upper", "lower", " left side ",
The term on " right side ", " centre " and " one " etc. is merely convenient to being illustrated for narration, rather than enforceable to limit the utility model
Range, relativeness are altered or modified, under the content of no substantial changes in technology, enforceable when being also considered as the utility model
Scope.
As shown in FIG. 1 to 3, the utility model provides a kind of porous membrane security test device, comprising:
Cabinet 1, for providing test zone and fixed frame, the front of the cabinet 1 is provided with dodge gate 11, the case
The top surface of body is provided with threaded hole 12, and the bottom surface of the cabinet 1 is provided with pillar 13, and the cabinet 1 is provided with wiring hole 14, institute
Wiring hole 14 is stated for introducing outside line in the cabinet 1;
Conductive pressing plate 2 is set in the cabinet 1, top board 21 and lower platen 22 with spaced and parallel setting, and institute
It states top board 21 and lower platen 22 includes opposite polarity collector, wherein the lower platen 22 passes through the pillar 13 and institute
The bottom surface connection of cabinet 1 is stated, porous membrane 3 is placed in the surface of the lower platen 22;
Bolt 4, including screw rod 41, compass 42 and bearing 43, the compass 42 are fixedly connected with the upper end of the screw rod 41,
It encloses in the bearing 43 and is fixedly connected with the lower end of the screw rod 41, the periphery of the bearing 43 and the top board 21 are fixed
Connection, to guarantee that the top board 21 will not be rotated with the screw rod 41, wherein the screw rod 41 by with the threaded hole 12
It is cooperatively connected on the cabinet 1;
Sheet metal 5 is placed on the porous membrane 3, when the top board 21 is squeezed with lower platen 22, for puncturing
The porous membrane 3;
Dial plate 6 is set to outside the cabinet 1, and dial plate conducting wire passes through the wiring hole 14 and the top board 21 and pushing
Plate 22 is electrically connected, and the dial plate 6 includes voltmeter and ammeter, and the voltmeter is for testing the top board 21 and lower platen
The voltage at 22 both ends, the ammeter are used for the electric current tested between the top board 21 and lower platen 22;
Power supply is set to outside the cabinet 1, and power lead passes through the wiring hole 14 and the top board 21 and lower platen
22 electrical connections, the power supply are used to provide the described the operating voltage of test device.
Temperature in order to prevent in cabinet 1 described in test process is excessively high to cause security risk, the porous membrane safety
The also settable air cooling section of system safety testing device, for reducing the temperature in the cabinet 1.It preferably, as shown in Figure 1, can be in institute
The back side setting air inlet 15 and air outlet 16 of cabinet 1 are stated, the air cooling section selects air blower, and the air blower is arranged
In the air inlet 15, air blower is opened, the 1 outside air at room temperature of cabinet is sent into institute by the air inlet 15 by air blower
It states in cabinet 1, under gas pressure, the high-temperature gas in cabinet 1 is discharged by the air outlet 16, reduces the cabinet with this
Temperature in 1.When test, after the porous membrane 3 is punctured, i.e., restart the air blast after thering is electric current to pass through in circuit
Machine, to guarantee that the porous membrane does not blow out the lower platen 22 by air-flow.
As an example, being equipped with steel on the observation window as shown in Figure 1, be provided with observation window 111 on the dodge gate 11
Change glass.By the observation window 111, the test case inside cabinet 1 described in observation test process can be convenient.It is preferred that
Ground, the dodge gate 11 are flexibly connected by hinge 18 with the cabinet, and the pick-and-place of 1 internal part of cabinet can be facilitated.
As an example, the wiring hole 14 is set to the left side and right side of the cabinet 1, to facilitate this test device
Conducting wire wiring, for example, the dial plate conducting wire and described power lead etc..
Preferably, the lower platen 22 is connect by 5 pillars 13 with the bottom surface of the cabinet 1, wherein described in 4
Pillar 13 is set to the corner of the lower platen 22, and another 1 pillar 13 is set to the middle part of the lower platen 22.By institute
It is general relatively thin to state lower platen 22, by the way that 4 pillars 13 to be set to the corner of the lower platen 22,1 pillar 13
It is set to the middle part of the lower platen 22, the deformation of the lower platen 22 can be effectively prevent.
In order to further prevent the top board 21 that the screw rod 41 is followed to rotate, as shown in Figure 1, the cabinet 1 also wraps
Include the limited post 17 extended from 1 top surface of cabinet to 1 bottom surface of cabinet, the free end of the limited post 17 is lower than under described
Pressing plate 22.When rotating clockwise or counter-clockwise the compass 42, under the drive of the compass 42, the screw rod 41 cooperates
The threaded hole 12 moves up and down in the cabinet 1, while the top board 21 being connected on the bolt 4 is also described
It is moved up and down in cabinet 1, it, can due to being provided with the limited post 17 when the top board 21 rotates in the horizontal plane
To effectively prevent the rotation of the top board 21.Preferably, the cabinet 1 includes 2 limited posts 17, to guarantee limit effect
The influence to measurement result is reduced while fruit.
Preferably, high-current low-voltage transformer can be used in the power supply, and it is adjustable to convert 0~10V for 220V commercial power
Voltage.
As an example, the upper end of the compass 42 and the screw rod 41 is detachably connected, enclosed in the bearing 43 and institute
The lower end for stating screw rod 41 is detachably connected, and the periphery of the bearing 43 is detachably connected with the top board 21, to facilitate institute
It states bolt 4 to take out from the cabinet 1, and replacement component.In addition, the mode being detachably connected can also be changed to the company of welding
Connect mode, it is firm that the advantages of which is to connect, but is inconvenient to take out and replace component.It can select as the case may be described
It is fixedly connected with mode, herein without limitation.
Preferably, the sheet metal 5 is placed in the center of the porous membrane 3, when the top board 21 and the pushing
When plate 22 squeezes, it is easier to puncture the porous membrane 3.
As an example, the cabinet 1 selects metal cabinet, high temperature resistant simultaneously has good frame support performance;The branch
Column 13 includes polyimides pillar, and the limited post 17 includes polyimides limited post, to guarantee the pillar 13 and limited post
17 insulation and high temperature resistant;The sheet metal 5 includes nickel sheet;The opposite polarity collector includes positivity collector and negativity collection
Fluid, i.e., when the top board 21 is positivity collector, the lower platen 22 is negativity collector, on the contrary then on the contrary, described
Positivity collector includes aluminium sheet, and the negativity collector includes copper sheet, by the way that the top board 21 and lower platen 22 is arranged as collection
Fluid material, to simulate the positive and negative anodes of lithium ion battery, so that the top board 21, porous membrane 3 and lower platen 22 can shapes
At lithium ion battery structure.
Porous membrane security test device based on the utility model, testing procedure include: the cooperation threaded hole 12,
The screw rod 41 is connected on the cabinet 1;The compass 42, bearing 43 and top board 21 are installed;By the porous membrane 3
It is placed in the surface of the lower platen 22;The sheet metal 5 is placed in the center of the porous membrane 3;Close the activity
Door 11;Power supply is opened, the compass 42 is rotated, the top board 21 is mobile simultaneously to the lower platen 22 under the drive of screw rod 41
The sheet metal 5 is squeezed, with the increase of lower pressure, the sheet metal 5 punctures the porous membrane 3, opens at this time
Air blower cools down to the cabinet 1, and when the sheet metal 5 punctures the porous membrane 3, the sheet metal 5 contacts described
Top board 21 and lower platen 22 cause the positive pole and cathode to form closed circuit, reach inside lithium ion cell short circuit
Effect, the electricity between the top board 21 and lower platen 22 is measured by the voltmeter on the dial plate 6 and ammeter
U and electric current I is pressed, the heat of generation can be calculated by voltage U and electric current I, in addition also contraction feelings of porous membrane 3 described in observable
Condition can determine whether the security performance of the porous membrane 3.
In conclusion the utility model provides a kind of porous membrane security test device, comprising: cabinet, for providing
Test zone and fixed frame, the front of the cabinet are provided with dodge gate, and the top surface of the cabinet is provided with threaded hole, described
The bottom surface of cabinet is provided with pillar, and the cabinet is provided with wiring hole, and the wiring hole is used to outside line introducing the case
In vivo;Conductive pressing plate is set in the cabinet, top board and lower platen with spaced and parallel setting, and the top board
And lower platen includes opposite polarity collector, wherein the lower platen is connect by the pillar with the bottom surface of the cabinet,
Porous membrane is placed in the surface of the lower platen;Bolt, including screw rod, compass and bearing, the compass and the screw rod
Upper end is fixedly connected, and is enclosed in the bearing and is fixedly connected with the lower end of the screw rod, periphery and the upper pressure of the bearing
Plate is fixedly connected, to guarantee that the top board will not be rotated with the screw rod, wherein the screw rod with the threaded hole by matching
Conjunction is connected on the cabinet;Sheet metal is placed on the porous membrane, when the top board and lower platen extruding, is used
In puncturing the porous membrane;Dial plate is set to outside the cabinet, dial plate conducting wire by the wiring hole and the top board and
Lower platen electrical connection, the dial plate include voltmeter and ammeter, and the voltmeter is for testing the top board and lower platen
The voltage at both ends, the ammeter are used for the electric current tested between the top board and lower platen;Power supply is set to the cabinet
Outside, power lead is electrically connected by the wiring hole with the top board and lower platen, and the power supply is used to provide the described test
The operating voltage of device.For the utility model by simulation lithium ion battery structure, test lithium ion battery is broken due to porous membrane
The security performance of battery short circuit caused by splitting tests and does not contain electrolyte in environment, so not polluting the environment;Without using material object
Lithium ion battery, do not have it is on fire in addition explosion the phenomenon that, so without security risk and non-waste of resource;Test process influences
Factor is few, and data are reliable, easy to operate.So the utility model effectively overcomes various shortcoming in the prior art and has height
Spend value of industrial utilization.
The above embodiments are only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications or change completed under mind and technical idea, should be covered by the claim of the utility model.
Claims (10)
1. a kind of porous membrane security test device, which is characterized in that the porous membrane security test device includes:
Cabinet, for providing test zone and fixed frame, the front of the cabinet is provided with dodge gate, the top surface of the cabinet
It is provided with threaded hole, the bottom surface of the cabinet is provided with pillar, and the cabinet is provided with wiring hole, and the wiring hole is used for will be outer
Portion's route introduces in the cabinet;
Conductive pressing plate is set in the cabinet, with spaced and parallel setting top board and lower platen, and the top board and
Lower platen includes opposite polarity collector, wherein the lower platen is connect by the pillar with the bottom surface of the cabinet, more
Hole film is placed in the surface of the lower platen;
Bolt, including screw rod, compass and bearing, the compass are fixedly connected with the upper end of the screw rod, are enclosed in the bearing
It is fixedly connected with the lower end of the screw rod, the periphery of the bearing is fixedly connected with the top board, to guarantee the top board
It will not be rotated with the screw rod, wherein the screw rod with the threaded hole by being cooperatively connected on the cabinet;
Sheet metal is placed on the porous membrane, described porous thin for puncturing when the top board and lower platen extruding
Film;
Dial plate is set to outside the cabinet, and dial plate conducting wire is electrically connected by the wiring hole with the top board and lower platen, institute
Stating dial plate includes voltmeter and ammeter, and the voltmeter is used to test the top board and pushes the voltage of board ends, described
Ammeter is used for the electric current tested between the top board and lower platen;
Power supply is set to outside the cabinet, and power lead is electrically connected by the wiring hole with the top board and lower platen, institute
State the operating voltage that power supply is used to provide the described test device.
2. porous membrane security test device according to claim 1, it is characterised in that: the porous membrane safety
Test device further includes air cooling section, for reducing the intracorporal temperature of the case.
3. porous membrane security test device according to claim 2, it is characterised in that: the back side of the cabinet is arranged
There are air inlet and air outlet, the air cooling section includes air blower, and the air blower is set to the air inlet.
4. porous membrane security test device according to claim 1, it is characterised in that: be provided on the dodge gate
Observation window is equipped with tempered glass on the observation window.
5. porous membrane security test device according to claim 1, it is characterised in that: the cabinet further includes from institute
The limited post that box top extends to the tank floor is stated, the free end of the limited post is lower than the lower platen, for preventing
Only the top board follows the screw rod to rotate.
6. porous membrane security test device according to claim 5, it is characterised in that: the cabinet includes 2 institutes
Limited post is stated, the limited post includes polyimides limited post.
7. porous membrane security test device according to claim 1, it is characterised in that: the wiring hole is set to institute
State the left side and right side of cabinet.
8. porous membrane security test device according to claim 1, it is characterised in that: the dodge gate passes through hinge
It is flexibly connected with the cabinet.
9. porous membrane security test device according to claim 1, it is characterised in that: the lower platen passes through 5
The pillar is connect with the bottom surface of the cabinet, wherein 4 pillars are set to the corner of the lower platen, described in another 1
Pillar is set to the middle part of the lower platen.
10. porous membrane security test device according to claim 1, it is characterised in that: the cabinet includes metal
Cabinet, the pillar include polyimides pillar, and the sheet metal includes nickel sheet, and the opposite polarity collector includes positivity
Collector and negativity collector, the positivity collector include aluminium sheet, and the negativity collector includes copper sheet.
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CN201820849854.0U CN208334592U (en) | 2018-06-04 | 2018-06-04 | Porous membrane security test device |
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CN201820849854.0U CN208334592U (en) | 2018-06-04 | 2018-06-04 | Porous membrane security test device |
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CN208334592U true CN208334592U (en) | 2019-01-04 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114397594A (en) * | 2022-01-17 | 2022-04-26 | 苏州清研精准汽车科技有限公司 | Battery pack detection device and application method |
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2018
- 2018-06-04 CN CN201820849854.0U patent/CN208334592U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114397594A (en) * | 2022-01-17 | 2022-04-26 | 苏州清研精准汽车科技有限公司 | Battery pack detection device and application method |
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Address after: 201399 No. 155 South Lu highway, Pudong New Area, Pudong New Area, Shanghai. Patentee after: SHANGHAI ENJIE NEW MATERIAL TECHNOLOGY Co.,Ltd. Address before: 201399 No. 155 South Lu highway, Pudong New Area, Pudong New Area, Shanghai. Patentee before: SHANGHAI ENERGY NEW MATERIALS TECHNOLOGY Co.,Ltd. |