CN212206893U - Lithium cell resistance to compression experimental apparatus - Google Patents
Lithium cell resistance to compression experimental apparatus Download PDFInfo
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- CN212206893U CN212206893U CN202021115537.XU CN202021115537U CN212206893U CN 212206893 U CN212206893 U CN 212206893U CN 202021115537 U CN202021115537 U CN 202021115537U CN 212206893 U CN212206893 U CN 212206893U
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- electric cylinder
- lithium battery
- compression
- shell
- displacement sensor
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Abstract
The utility model discloses a lithium cell resistance to compression experimental apparatus relates to the technical field of lithium cell resistance to compression test, include: the test platform comprises a shell and a test board, and the test board is arranged on the lower side in the shell; the pressure device comprises a mounting seat, a servo electric cylinder and a pressure plate, the mounting seat is fixed on the upper side in the shell, and the pressure plate is connected with an electric cylinder rod of the servo electric cylinder; the displacement sensor of the grating ruler comprises a main ruler, a reading head and a push-pull plate, and an electric cylinder rod of the servo electric cylinder is connected with the main ruler through the push-pull plate; the servo electric cylinder and the grating ruler displacement sensor are electrically connected with the PLC control system. The utility model discloses servo electronic jar is connected with the PLC control system who sets for, controls displacement speed through servo electronic jar, and PLC control system receives the displacement state that grating chi displacement sensor surveyed, can effective control clamp plate speed and pressure, realizes the resistance to compression and the shock resistance test to the lithium cell.
Description
Technical Field
The utility model relates to a technical field of lithium cell test especially relates to a lithium cell resistance to compression test.
Background
Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high, and corresponding safety tests can be performed on the lithium battery in order to ensure the use safety of the lithium battery.
Current application number is 201820880076.1's patent, discloses lithium cell accredited testing organization, nevertheless installs the camera on the pressure plate to observe the scale through the camera and obtain the degree of pushing down of pressure plate, know the resistance to compression degree of lithium cell, this kind is observed the scale and is acquireed the degree of compression inaccuracy, has reading error, consequently there is obvious technical problem in this patent.
In conclusion, the conventional lithium battery compression resistance experiment is difficult to meet the accurate requirement of the compression resistance degree test.
SUMMERY OF THE UTILITY MODEL
To the problem that above-mentioned exists, the problem to above-mentioned production now, the utility model aims to provide a lithium cell resistance to compression experimental apparatus.
The specific technical scheme is as follows:
the utility model provides a lithium cell resistance to compression experimental apparatus which characterized in that includes:
the test platform comprises a shell and a test board, an experiment cavity is formed in the shell, the test board is installed on the lower side of the inside of the shell, and a lithium battery seat is arranged on the test board;
the pressure device comprises a mounting seat, a servo electric cylinder and a pressure plate, the mounting seat is fixed on the upper side inside the shell, the servo electric cylinder is arranged in the mounting seat, and the pressure plate is connected with an electric cylinder rod of the servo electric cylinder;
the displacement sensor of the grating ruler comprises a main ruler, a reading head and a push-pull plate, wherein an electric cylinder rod of the servo electric cylinder is connected with the main ruler through the push-pull plate, and the reading head is fixed in the shell;
and the servo electric cylinder and the grating ruler displacement sensor are electrically connected with the PLC control system.
The compression-resistant experimental device for the lithium battery is characterized in that the grating ruler displacement sensor adopts YH series of 200mm gratings and is vertically arranged.
The above lithium battery compression-resistant experimental device is characterized in that a control cabinet is arranged on the outer side of the shell, and the PLC control system is arranged in the control cabinet.
The lithium battery compression resistance experiment device is characterized in that the shell is provided with the movable door, and the movable door is movably connected with the shell through a hinge.
The lithium battery compression resistance experiment device is characterized in that an observation window is arranged on one side face of the shell.
The lithium battery compression resistance experiment device is characterized in that the shell is provided with two through hole holes on the side surface of the observation window.
The lithium battery compression-resistant experimental device is characterized in that the pressing plate is located right above the lithium battery seat.
The anti-compression experimental device for the lithium battery is characterized in that the corrugated anti-slip groove is formed in the surface of the lithium battery seat, and the lithium battery seat is used for placing the lithium battery.
Compared with the prior art, the technical scheme has the positive effects that:
the utility model discloses a servo electronic jar turns into accurate linear motion with the rotary motion of motor, has realized the high accuracy linear motion of clamp plate, and servo electronic jar is connected with the PLC control system who sets for, controls displacement speed through servo electronic jar, and PLC control system receives the displacement state that grating chi displacement sensor surveyed, can effective control clamp plate speed and pressure, realizes resistance to compression and the shock resistance test to the lithium cell.
Drawings
Fig. 1 is the utility model discloses a lithium cell resistance to compression experimental apparatus's schematic diagram.
Fig. 2 is the installation schematic diagram of the pressure device and the grating ruler displacement sensor of the present invention.
Reference numerals: 1. a test platform; 11. a housing; 111. a movable door; 112. a door handle; 113. an observation window; 114. a through hole; 12. a test bench; 13. a lithium battery holder; 131. a corrugated anti-slip groove; 2. a pressure device; 21. a mounting seat; 22. a servo electric cylinder; 23. pressing a plate; 3. a grating scale displacement sensor; 31. a main scale; 32. a push-pull plate.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
Fig. 1 is a schematic diagram of a lithium battery anti-compression experimental device of the present invention; fig. 2 is the installation schematic diagram of the pressure device and the grating ruler displacement sensor of the present invention.
As shown in fig. 1 and fig. 2, the present embodiment provides a lithium battery compression-resistance experimental apparatus, including: the device comprises a test platform 1, a pressure device 2, a grating ruler displacement sensor 3 and a PLC control system (not shown in the figure).
The grating ruler displacement sensor 3 comprises a main ruler 31, a reading head (not shown in the figure) and a push-pull plate 32, an electric cylinder rod of the servo electric cylinder 22 is connected with the main ruler 31 through the push-pull plate 32, the main ruler 31 is driven by the electric cylinder rod of the servo electric cylinder 22 to move up and down, the reading head is fixed on the inner wall of the middle part of the shell 11, the main ruler 31 is vertically arranged, the accuracy of the value of the measured displacement is ensured, the grating ruler displacement sensor 3 can accurately measure the displacement of the pressing plate 23 and the moving speed of the pressing plate 23, and the pressure value applied to the lithium battery by the pressing plate 23 is obtained through the displacement of the.
Servo electronic jar 22 and grating chi displacement sensor 3 all carry out the electricity with PLC control system and are connected, and servo electronic jar 22's rectilinear motion's speed can be regulated and control by PLC control system, and grating chi displacement sensor 3 is connected with PLC control system, in time transmits displacement data to PLC control system, and PLC control system can calculate the displacement volume and the rate of motion of clamp plate 23 from this, can make things convenient for the tester to know the resistance to compression degree of lithium cell.
The above is merely an example of the preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.
Further, in a preferred embodiment, a control cabinet is disposed outside the housing 11, the PLC control system is disposed in the control cabinet, and the PLC control system is connected to an external display screen, so that a tester can observe the compressive strength test of the lithium battery in real time.
Further, in a preferred embodiment, a movable door 111 is mounted on the housing 11, the movable door 111 is movably connected to the housing 11 by a hinge, a door handle 112 is disposed on an outer side of the movable door 111, and the movable door 111 can be opened by pulling the door handle 112.
Further, in a preferred embodiment, an observation window 113 is disposed on a side surface of the housing 11, and a tester can observe the test state of the lithium battery from the observation window 113 in real time.
Further, in a preferred embodiment, two through holes 114 are provided on the side of the housing 11 where the observation window 113 is provided, and the wires of the servo electric cylinder 22 and the grating ruler displacement sensor 3 respectively pass through the two through holes 114 to be electrically connected with the PLC control system.
Further, in a preferred embodiment, the pressing plate 23 is located right above the lithium battery holder 13, and the pressing plate 23 moves downward to press the lithium battery in the lithium battery holder 13.
Further, in a preferred embodiment, the surface of the lithium battery seat 13 is provided with a corrugated anti-slip groove 131 to prevent the lithium battery from slipping.
The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.
Claims (7)
1. The utility model provides a lithium cell resistance to compression experimental apparatus which characterized in that includes:
the test platform (1) comprises a shell (11) and a test platform (12), wherein the test platform (1) is arranged on the lower side in the shell (11), and a lithium battery seat (13) is arranged on the test platform (12);
the pressure device (2) comprises a mounting seat (21), a servo electric cylinder (22) and a pressure plate (23), the mounting seat (21) is fixed on the upper side inside the shell (11), the servo electric cylinder (22) is arranged in the mounting seat (21), and the pressure plate (23) is connected with an electric cylinder rod of the servo electric cylinder (22);
the displacement sensor (3) comprises a grating ruler displacement sensor (3), the grating ruler displacement sensor (3) comprises a main ruler (31), a reading head and a push-pull plate (32), an electric cylinder rod of the servo electric cylinder (22) is connected with the main ruler (31) through the push-pull plate (32), and the reading head is fixed in the shell (11);
and the servo electric cylinder (22) and the grating ruler displacement sensor (3) are electrically connected with the PLC control system.
2. The lithium battery compression-resistant experimental device as claimed in claim 1, wherein a control cabinet is arranged outside the housing (11), and the PLC control system is arranged in the control cabinet.
3. The lithium battery compression-resistant experimental device as claimed in claim 1, wherein a movable door (111) is installed on the housing (11), and the movable door (111) is movably connected with the housing (11) through a hinge.
4. The lithium battery compression-resistant experimental device as claimed in claim 1, wherein a viewing window (113) is arranged on one side surface of the housing (11).
5. The lithium battery compression-resistant experimental device as claimed in claim 4, wherein the side of the casing (11) provided with the observation window (113) is provided with two through-line holes (114).
6. The lithium battery compression-resistant experimental device as claimed in claim 1, wherein the pressure plate (23) is located right above the lithium battery holder (13).
7. The lithium battery compression-resistant experimental device as claimed in claim 1, wherein the surface of the lithium battery holder (13) is provided with a corrugated anti-slip groove (131).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021115537.XU CN212206893U (en) | 2020-06-17 | 2020-06-17 | Lithium cell resistance to compression experimental apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021115537.XU CN212206893U (en) | 2020-06-17 | 2020-06-17 | Lithium cell resistance to compression experimental apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212206893U true CN212206893U (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021115537.XU Active CN212206893U (en) | 2020-06-17 | 2020-06-17 | Lithium cell resistance to compression experimental apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212206893U (en) |
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2020
- 2020-06-17 CN CN202021115537.XU patent/CN212206893U/en active Active
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