CN203881914U - Battery safety failure simulation test tool - Google Patents
Battery safety failure simulation test tool Download PDFInfo
- Publication number
- CN203881914U CN203881914U CN201420299844.6U CN201420299844U CN203881914U CN 203881914 U CN203881914 U CN 203881914U CN 201420299844 U CN201420299844 U CN 201420299844U CN 203881914 U CN203881914 U CN 203881914U
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- CN
- China
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- battery
- bottom baffle
- poly
- methyl methacrylate
- battery safety
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Abstract
The utility model relates to a battery safety test fixture, and especially relates to a battery safety failure simulation test tool. The battery safety failure simulation test tool comprises a bottom baffle plate, an infrared camera, a pressure rod, guide rails, a stepping motor, a tool control end, and organic glass plates. The bottom baffle plate, the stepping motor and the two organic glass plates are fixed on the tool control end. One ends of the four guide rails are fixed to the side of the bottom baffle plate, and the other ends of the four guide rails pass through one organic glass plate and then are fixed to the side of the other organic glass plate. The infrared camera is embedded into the inner side of one organic glass plate. The rear end of the pressure rod is fixed on a driving shaft of the stepping motor, and the front end of the pressure rod passes through the two organic glass plates. A pricking pin hole is arranged in the center position corresponding to the side of the bottom baffle plate. The battery safety failure simulation test tool has the advantages of simple structure, convenient operation, and visual and effective data, and is of great practical significance to battery safety grade research and evaluation.
Description
Technical field
The utility model relates to cell safety test fixture, relates in particular to a kind of cell safety crash simulation test fixture.
Background technology
In Civil battery, there are zinc-manganse dioxide dry cell, alkaline dry battery, silver oxide cell, lead accumulator and nickel-cadmium chargeable battery etc.20th century, the mid-80 started, due to portability, the miniaturization of the devices such as Voice & Video, promoted the transition from dry cell to rechargeable battery of battery as power supply, promoted exploitation and the development of fuel cell, lithium ion battery simultaneously.Under such background, nineteen ninety is developed the lithium ion chargeable battery (hereinafter referred to as lithium ion battery) of novel high-performance rechargeable battery-business.Lithium ion battery is widely used on the products such as home video tape recording, camera, notebook computer, mobile phone, simultaneously along with battery capacity is increasing, the safety issue of battery highlights gradually, therefore lithium ion battery is carried out security study and evaluates just very important, be badly in need of one and can carry out security performance quantification test tool, research cell safety rank becomes more meticulous.
Summary of the invention
The purpose of this utility model is a kind of brand-new cell safety crash simulation test fixture of design, it is a kind of new lithium ion battery safety test fixture, by the functional design to fixture, realize lithium ion battery safety performance test, assessment battery security, cell safety failure mechanism is studied, lithium ion battery is designed to improvement, promote the security performance of battery.This frock can be pushed, safety of acupuncture project testing, can carry out consumer electronics product, electrokinetic cell, energy-storage battery, Ni-MH battery, fuel cell, lead-acid battery simultaneously and simulate abuse test.
The technical scheme that the utility model is taked is: a kind of cell safety crash simulation test fixture, it is characterized in that: comprise bottom baffle, thermal camera, press rods, guide rail, stepper motor, frock control end and poly (methyl methacrylate) plate, wherein bottom baffle, stepper motor and two poly (methyl methacrylate) plates are separately fixed on frock control end, one end of four guide rails is separately fixed at the side of bottom baffle, the other end of four guide rails is respectively through the side that is fixed on another piece poly (methyl methacrylate) plate after a poly (methyl methacrylate) plate wherein, thermal camera is embedded in the medial surface of a poly (methyl methacrylate) plate, the rear end of press rods is arranged on the driving shaft of stepper motor, the front end of press rods is through two poly (methyl methacrylate) plates, center in corresponding bottom baffle side is provided with thorn pin hole.
The beneficial effects of the utility model are: use this test fixture, can carry out security performance assessment to the consumption electronic product batteries such as zinc-manganse dioxide dry cell, alkaline dry battery, silver oxide cell, lead accumulator, nickel-cadmium chargeable battery, lithium ion battery and electrokinetic cell, energy-storage battery, carry out safe failure Mechanism, particularly carry out electrokinetic cell and the model study of energy-storage battery thermal failure, find out the thermal failure pattern of large battery, for battery material, structural design, technological design is optimized, and promotes battery design rationality and cell safety grade.This test fixture adopts infrared thermal imaging technique, and the amount of Real-Time Monitoring battery failure process heat generation is calculated by battery failure heat production is theoretical, for the research of cell safety theory of failure provides direct Data support.This test fixture is simple in structure, easy and simple to handle, and data are intuitively effective, in to the research of cell safety grade and assessment, has very large Practical significance.
Brief description of the drawings
Fig. 1 is that the utility model master looks schematic diagram;
Fig. 2 is the utility model schematic side view;
Fig. 3 is the utility model schematic top plan view.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
With reference to Fig. 1, Fig. 2 and Fig. 3, a kind of cell safety crash simulation test fixture comprises bottom baffle 1, thermal camera 2, press rods 3, guide rail 4, stepper motor 5, frock control end 6, with poly (methyl methacrylate) plate 8, wherein bottom baffle 1, stepper motor 5 and two poly (methyl methacrylate) plates 8 are separately fixed on frock control end 6, one end of four guide rails 4 is separately fixed at the side of bottom baffle 1, the other end of four guide rails 4 is respectively through the side that is fixed on another piece poly (methyl methacrylate) plate 8 after a poly (methyl methacrylate) plate 8 wherein, thermal camera 2 is embedded in the medial surface of a poly (methyl methacrylate) plate 8, the rear end of press rods 3 is arranged on the driving shaft of stepper motor 5, the front end of press rods 3 is through two poly (methyl methacrylate) plates 8, be provided with thorn pin hole 7 in the center of corresponding bottom baffle 1 side.
Cell safety crash simulation test fixture design concept: the side of the side of bottom baffle 1 and two poly (methyl methacrylate) plates 8 is respectively equipped with the preformed hole of four guide rails 4 and press rods 3.The long 350mm of bottom baffle 1 size, wide 350mm, four guide rail 4 diameters are 20mm.The two ends of four guide rails 4 are connected and fixed by bottom baffle 1 and two poly (methyl methacrylate) plates 8.The bottom of bottom baffle 1 and two poly (methyl methacrylate) plates 8 and stepper motor 5 are all fixed on frock control end 6.On a poly (methyl methacrylate) plate, 8 side embeds a thermal camera 2.A press rods 3 is installed on stepper motor 5, and press rods 3 is through two poly (methyl methacrylate) plates 8.Tested battery is fixed on the battery testing region 9 of bottom baffle 1 side.3, four guide rails of stepper motor 5 driving pressure bar, 4 controlled pressure bars 3 move to battery testing region 9 along fixed-direction, and bottom baffle 1, for catering to press rods 3, engages mineralization pressure, the pressure when travelling speed of stepper motor 5 controlled pressure bars 3 and engagement.Frock control end 6 has a computer control, maximum pressure during by the travelling speed of special programmed control stepper motor and engagement, and thermal camera monitoring battery is in the temperature variation of test process, real time record inside battery thermal change.Carry out parameter adjusting by frock control end, controlled pressure pole pair target object applied pressure and the speed of advancing.
Embodiment: as shown in Figure 1, Figure 2 and Figure 3, this device is a kind of cell safety test fixture, is used for assessing the security feature of battery carries out simulation test to battery under the condition of abuse, is used for analyzing battery thermal failure reason under battery abuse conditions simultaneously.The present embodiment illustrates as follows with the operating process of lancing test:
Tested battery is fixed on battery testing region with adhesive tape, it is the pricker of 3 millimeters at the front end installation diameter of press rods, by frock control end, stepper motor operational factor is set, it is 12m/min that travelling speed is set, open thermal camera, adjust thermal camera position, fix poly (methyl methacrylate) plate, be used for protecting thermal camera, the voltage of signal Ah guest testing apparatus Real-Time Monitoring battery, start frock control end in operation, frock control end adopts PLC to control, PLC sends instruction, stepper motor runs to and limits position according to the parameter of setting, speed can regulate (1-15 m/min), stop moving forward.By Ah guest's monitoring of equipment cell voltage, find that cell voltage is full electricity before test, voltage is in 4.2V left and right, when acupuncture enters after battery, cell voltage drops to suddenly 0 V, also finds that thermal camera records battery and do the inside battery thermal change process of the whole process of lancing test, in battery acupuncture points, be shown as maroon, the color that leaves is ringwise thin out gradually, and this explanation acupuncture causes the internal resistance of cell in acupuncture points short circuit, and heavy-current discharge produces large calorimetric.Acupuncture enters battery and keeps 6 hours, and in the time that battery surface temperature drops to room temperature, test finishes, and stepper motor drives press rods to be returned to initial position.
Above-mentionedly with reference to embodiment, battery lancing test process being described in detail, is illustrative instead of determinate, and this safety test frock, in the time changing in press rods that pin be flat board, can be pushed test, the same embodiment of mode of operation.
Claims (1)
1. a cell safety crash simulation test fixture, it is characterized in that: comprise bottom baffle (1), thermal camera (2), press rods (3), guide rail (4), stepper motor (5), frock control end (6) and poly (methyl methacrylate) plate (8), wherein bottom baffle (1), stepper motor (5) and two poly (methyl methacrylate) plates (8) are separately fixed on frock control end (6), one end of four guide rails (4) is separately fixed at the side of bottom baffle (1), the other end of four guide rails (4) is respectively through the side that is fixed on another piece poly (methyl methacrylate) plate (8) after a poly (methyl methacrylate) plate (8) wherein, thermal camera (2) is embedded in the medial surface of a poly (methyl methacrylate) plate (8), the rear end of press rods (3) is arranged on the driving shaft of stepper motor (5), the front end of press rods (3) is through two poly (methyl methacrylate) plates (8), be provided with thorn pin hole (7) in the center of corresponding bottom baffle (1) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420299844.6U CN203881914U (en) | 2014-06-06 | 2014-06-06 | Battery safety failure simulation test tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420299844.6U CN203881914U (en) | 2014-06-06 | 2014-06-06 | Battery safety failure simulation test tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203881914U true CN203881914U (en) | 2014-10-15 |
Family
ID=51682398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420299844.6U Expired - Fee Related CN203881914U (en) | 2014-06-06 | 2014-06-06 | Battery safety failure simulation test tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203881914U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105423979A (en) * | 2015-12-17 | 2016-03-23 | 佛山市南海区欣源电子有限公司 | Soft-packaged lithium battery thickness measuring device |
| CN107132487A (en) * | 2017-06-22 | 2017-09-05 | 广州中国科学院工业技术研究院 | Secondary cell thermal runaway propagates test system |
-
2014
- 2014-06-06 CN CN201420299844.6U patent/CN203881914U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105423979A (en) * | 2015-12-17 | 2016-03-23 | 佛山市南海区欣源电子有限公司 | Soft-packaged lithium battery thickness measuring device |
| CN107132487A (en) * | 2017-06-22 | 2017-09-05 | 广州中国科学院工业技术研究院 | Secondary cell thermal runaway propagates test system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 Termination date: 20160606 |