CN111879489A - Battery detection device - Google Patents
Battery detection device Download PDFInfo
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- CN111879489A CN111879489A CN202010517611.9A CN202010517611A CN111879489A CN 111879489 A CN111879489 A CN 111879489A CN 202010517611 A CN202010517611 A CN 202010517611A CN 111879489 A CN111879489 A CN 111879489A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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Abstract
The invention provides a battery detection device, which relates to the field of batteries and comprises a base and a first motor; the first motor output shaft is fixedly connected with the rotating disc and the plurality of fixed blocks, the plurality of fixed blocks are fixed on the rotating disc, and the fixed blocks are provided with placing grooves with upward openings; the device comprises a bracket and a cylinder, wherein the cylinder is internally provided with an impact hole, the upper part of the bracket is provided with an extending end vertical to the bracket, and the side surface of the cylinder is fixed at the extending end; the impact block is positioned in the impact hole and used for impacting the battery cell after the impact block performs free-falling body motion along the impact hole when one of the placing grooves for placing the battery cell rotates to a position right below the impact hole; the promotion portion for after striking the piece and striking battery electric core, promote the piece that strikes to initial position, and before placing the piece and rotate under striking hole, keep striking the piece unchangeable at initial position, through this device, do not need the frequent test with the heavy object or even enough height of staff, reduced experimenter's work load.
Description
Technical Field
The invention relates to the field of batteries, in particular to a battery detection device.
Background
After the production of the battery, especially the lithium battery, samples in a certain proportion need to be extracted to carry out various tests for judging whether the battery is qualified or not and ensuring the use experience of a user, wherein, a heavy object impact test is used for simulating the situation when a battery cell is impacted, if the battery cell deforms after the test, and if the battery cell does not catch fire or explode, the battery is qualified.
The application finds that: when carrying out the heavy object impact experiment to a plurality of battery samples, need the frequent test with the heavy object even enough height of staff, increased the experimenter's work load.
Disclosure of Invention
In view of this, an object of one or more embodiments of the present disclosure is to provide a battery testing apparatus, so as to solve the technical problem in the prior art that when a weight impact test is performed on a plurality of battery samples, a worker needs to frequently test a weight even at a sufficient height, which increases the workload of the worker.
In view of the above objects, one or more embodiments of the present specification provide a battery test apparatus including:
the motor comprises a base and a first motor fixed in the base;
the center of the lower end face is fixedly connected with the first motor output shaft, and the plurality of fixing blocks are fixed on the upper end face of the rotary table and are uniformly distributed on the periphery of the central axis of the rotary table;
the bottom of the bracket is fixed on the upper end surface of the base, the cylinder is internally provided with a collision hole, the upper part of the bracket is provided with an extension end vertical to the bracket, the side surface of the cylinder is fixed on the end part of the extension end, and the opening of the collision hole is positioned on the lower end surface of the cylinder;
the impact block is positioned in the impact hole and used for impacting the battery cell after the impact block performs free-falling body motion along the impact hole when one placing groove for placing the battery cell rotates to a position right below the impact hole;
and the lifting part is used for lifting the impact block to an initial position after the impact block impacts the battery cell, and keeping the impact block unchanged at the initial position before the placing block rotates to a position right below the impact hole.
Further, including the horizontal bar and with standing groove assorted placing the piece, it is equipped with the ascending striking groove of opening to place the piece, after placing battery electricity core in the striking groove, will the horizontal bar is placed at the top of battery electricity core.
Furthermore, the height of the placing block is greater than the depth of the placing groove, after the placing block is combined with the placing groove, the vertical distance from the upper end face of the placing block to the upper end face of the rotary table is equal to the vertical distance from the lower end face of the cylinder to the upper end face of the rotary table, the cross section of the impact hole and the cross section of the impact groove are both rectangular, and the cross section and the impact groove are equal in size.
Further, the lifting portion includes:
the side groove is arranged on the side surface of the cylinder and is communicated with the impact hole, and the side hole faces the side groove;
the end block is fixed at the top of the cylinder at one side, and the second motor is fixed on the end block and is positioned at one side of the cylinder;
the side surface of the moving block facing the side groove is internally provided with an inner hole;
the electromagnet is fixed at the bottom of the inner hole, the spring with one end fixedly connected with the bottom of the inner hole and the connecting block, one end of the connecting block is positioned in the inner hole, and the end surface of the end is fixedly connected with the other end of the spring; the other end of the connecting block penetrates through the side groove, and when the connecting block is used for lifting the impact block or keeping the position of the impact block unchanged, the end part of the connecting block coincides with the side hole;
and one end of the straight rod is fixed on the lower end face of the end block, and the straight rod is in sliding connection with a through hole arranged in the moving block.
Furthermore, the device comprises a rotating block and a limit switch fixed on the lower end face of the rotating block, wherein the rotating block is positioned above the moving block and is in threaded connection with the straight rod.
Further, the method also comprises the following steps:
the winding wheel is fixedly connected with an output shaft of the third motor;
and the movable end of the pull rope wound on the winding wheel penetrates through the end block and the cylinder, extends into the impact hole and is fixedly connected with the upper end face of the impact block, and the length of the pull rope in the impact hole is greater than the distance from the top of the impact hole to the upper end face of the rotary disc.
The support block is positioned between the upper end face of the base and the lower end face of the rotary table, is fixed on the upper end face of the base, and is positioned under the cylinder.
The invention has the beneficial effects that: by adopting the battery detection device, before detection, the battery cell is placed in the placing grooves, then the first motor is started to rotate, and when one of the placing grooves rotates to a position right below the impact hole, the lifting part is separated from the impact block, so that the impact block does free-falling motion along the impact hole and impacts the battery cell; after the striking piece carries out the striking to battery electricity core, the lifting unit promotes the striking piece to initial position to before placing the piece and rotating under the striking hole, keep striking piece unchangeable at initial position, through this device, do not need the frequent test with the heavy object or even enough height of staff, reduced experimenter's work load.
Drawings
In order to more clearly illustrate one or more embodiments or prior art solutions of the present specification, the drawings that are needed in the description of the embodiments or prior art will be briefly described below, and it is obvious that the drawings in the following description are only one or more embodiments of the present specification, and that other drawings may be obtained by those skilled in the art without inventive effort from these drawings.
FIG. 1 is a front cross-sectional view of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a combination of a fixing block and a placement block in the embodiment of the present invention;
FIG. 3 is a first schematic structural diagram of a lifting portion according to an embodiment of the present invention;
FIG. 4 is a second schematic structural diagram of a lifting portion in an embodiment of the present invention;
fig. 5 is a top view of a turntable in an embodiment of the present invention.
Wherein, 1, a base; 2. a first motor; 3. a turntable; 4. a fixed block; 5. a support; 6. a cylinder; 7. a support block; 8. a placement groove; 9. an impact groove; 10. a horizontal bar; 11. a strike aperture; 12. a side groove; 13. an impact block; 14. a side hole; 15. an end-block; 16. connecting blocks; 17. a second motor; 18. a screw; 19. a moving block; 20. a straight rod; 21. perforating; 22. an inner bore; 23. a spring; 24. an electromagnet; 25. rotating the block; 26. a limit switch; 27. placing the blocks; 28. pulling a rope; 29. a third motor; 30. and (7) winding the wheel.
Detailed Description
For the purposes of this disclosure; technical solutions and advantages will be more clearly understood from the following detailed description of the present disclosure with reference to specific embodiments.
It is to be noted that unless otherwise defined, technical or scientific terms used in one or more embodiments of the present specification should have the ordinary meaning as understood by those of ordinary skill in the art to which this disclosure belongs. "first" as used in one or more embodiments of the present specification; "second" and similar words do not denote any order; quantity or importance, but merely to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up"; "Down"; "left"; "right" and the like are used only to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may also be changed accordingly.
In view of the above object, a first aspect of the present invention provides an embodiment of a battery test apparatus, as shown in fig. 1, 3 and 5, including:
the device comprises a base 1 and a first motor 2 fixed in the base 1;
the center of the lower end face is fixedly connected with a rotating disc 3 and a plurality of fixed blocks 4 of the output shaft of the first motor 2, the fixed blocks 4 are fixed on the upper end face of the rotating disc 3 and are uniformly distributed on the periphery of the central axis of the rotating disc 3, and the fixed blocks 4 are provided with placing grooves 8 with upward openings;
the bottom of the bracket is fixed on the support 5 of the upper end surface of the base 1, the cylinder 6 is internally provided with a striking hole 11, the upper part of the bracket 5 is provided with an extending end vertical to the bracket 5, the side surface of the cylinder 6 is fixed on the end part of the extending end, and the opening of the striking hole 11 is positioned on the lower end surface of the cylinder 6;
the impact block 13 is positioned in the impact hole 11 and is used for impacting the battery cell after the impact block 13 makes free-falling body motion along the impact hole 11 when one placing groove 8 for placing the battery cell rotates to a position right below the impact hole 11;
and a lifting part for lifting the impact block 13 to an initial position after the impact block 13 impacts the battery cell, and keeping the impact block 13 at the initial position before the placing block 27 rotates to a position right below the impact hole 11.
In the embodiment, before detection, the battery cells are placed in the placing grooves 8, then the first motor 2 is started to rotate, when one of the placing grooves 8 rotates to a position right below the impact hole 11, the first motor 2 stops rotating, and at this time, the lifting part is separated from the impact block 13, so that the impact block 13 makes free-falling body movement along the impact hole 11 and impacts the battery cells; after striking piece 13 strikes battery electricity core, first motor 2 resumes to rotate, and the portion of promoting simultaneously promotes striking piece 13 to initial position to place piece 27 and rotate to striking hole 11 under before, keep striking piece 13 unchangeable in initial position, through this device, do not need frequent test with the heavy object even enough height of staff, reduced experimenter's work load.
As an embodiment, as shown in fig. 2, the battery pack includes a horizontal rod 10 and a placing block 27 matched with the placing groove 8, the placing block 27 is provided with an impact groove 9 with an upward opening, and after a battery cell is placed in the impact groove 9, the horizontal rod 10 is placed on the top of the battery cell.
In this embodiment, place the piece 27 and place in standing groove 8, therefore after the experiment was done, can conveniently take out and place piece 27, if there is the explosion in battery cell, then the piece after the explosion has a major part to remain in striking groove 9, take off like this and place piece 27, can conveniently wash striking groove 9, increase horizontal stick 10, be in order when the striking, avoid striking piece 13 and battery cell to carry out direct collision, prevent that the material in the battery cell from being infected with striking piece 13.
As an embodiment, as shown in fig. 1 and 2, the height of the placing block 27 is greater than the depth of the placing groove 8, after the placing block 27 is combined with the placing groove 8, the vertical distance from the upper end surface of the placing block 27 to the upper end surface of the rotating disc 3 is equal to the vertical distance from the lower end surface of the cylinder 6 to the upper end surface of the rotating disc 3, and the cross section of the striking hole 11 and the cross section of the striking groove 9 are both rectangular and equal in size.
In this embodiment, can guarantee to place the piece 27 and combine the back with standing groove 8, it has the up end of a part protrusion fixed block 4 to place the piece 27, after experimental like this, the experimenter more conveniently takes out and places the piece 27, in addition because the perpendicular distance of placing piece 27 up end to carousel 3 up end equals with the perpendicular distance of carousel 3 up end under drum 6 terminal surface, like this after striking block 13 striking, even battery electric core explodes and catches fire, also can be with its control in striking groove 9, prevent that some residues from splashing.
In the present embodiment, as shown in fig. 3, the lifting portion includes:
a side groove 12 arranged on the side surface of the cylinder 6 and a side hole 14 arranged on the side surface of the impact block 13, wherein the side groove 12 is communicated with the impact hole 11, and the side hole 14 faces the side groove 12;
an end block 15 with one side fixed on the top of the cylinder 6 and a second motor 17 fixed on the end block 15, wherein the second motor 17 is positioned on one side of the cylinder 6;
a screw 18 with one end connected with the output shaft of the second motor 17 through a coupler and a moving block 19 in threaded connection with the screw 18, wherein an inner hole 22 is arranged in the side surface of the moving block 19 facing the side groove 12;
the electromagnetic valve comprises an electromagnet 24 fixed at the bottom of an inner hole 22, a spring 23 with one end fixedly connected with the bottom of the inner hole 22 and a connecting block 16, wherein one end of the connecting block 16 is positioned in the inner hole 22, and the end surface of the end is fixedly connected with the other end of the spring 23; the other end of the connecting block 16 passes through the side groove 12, and the end of the other end coincides with the side hole 14 when the connecting block is used for lifting the impact block 13 or keeping the position of the impact block 13 unchanged;
a straight rod 20 with one end fixed on the lower end surface of the end block 15, wherein the straight rod 20 is connected with a through hole 21 arranged on the moving block 19 in a sliding way.
In this embodiment, when the rotary disc 3 rotates, and no impact groove 9 rotates to the position below the impact hole 11, the connecting block 16 is under the elastic force of the spring 23, so that one end of the connecting block 16 is in the side hole 14, thereby ensuring that the impact block 13 is always kept at the initial position, when one of the impact grooves 9 rotates to the position right below the impact hole 11, the rotary disc 3 stops rotating, the electromagnet 24 is powered to generate magnetic force to the connecting block 16, so that the connecting block 16 moves in the direction of the electromagnet 24 against the elastic force of the spring 23, and after the end of the connecting block 16 is separated from the side hole 14, the impact block 13 falls freely; after the impact block 13 impacts the battery core, the second motor 17 is started, so that the screw rod 18 drives the moving block 19 to move downwards along the straight rod 20, when the moving block 19 moves to the position where the connecting block 16 is opposite to the side hole 14, the electromagnet 24 loses power, so that the center of the end part of the connecting block 16 is overlapped with the side hole 14, and then the second motor 17 rotates reversely, so that the moving block 19 is restored to the original position.
As an embodiment, as shown in fig. 3, the device comprises a rotating block 25 and a limit switch 26 fixed on the lower end surface of the rotating block 25, wherein the rotating block 25 is positioned above the moving block 19 and is in threaded connection with the straight rod 20. Here, when the moving block 19 touches the limit switch 26, the second electric motor 17 stops rotating, and at this time, the moving block 19 moves to a height sufficient for testing, and if the test heights of some battery cells are different, the test height can be adjusted by the rotating block 25.
As an embodiment, as shown in fig. 4, the method further includes:
a third motor 29 fixed on the upper end surface of the end block 15 and a winding wheel 30 fixedly connected with an output shaft of the third motor 29;
the movable end of the pull rope 28 wound on the winding wheel 30 penetrates through the end block 15 and the cylinder 6, extends into the impact hole 11 and is fixedly connected with the upper end face of the impact block 13, and the length of the pull rope 28 in the impact hole 11 is larger than the distance between the top of the impact hole 11 and the upper end face of the rotary disc 3.
Here, when the battery cell is impacted to generate explosion, the impact block 13 may completely enter the impact groove 9, and the moving block 19 cannot drive the connecting block 16 to enter the impact groove 9, so that the third motor 29 is started at this time, and the impact block 13 is pulled into the impact hole 11 again through the pull rope 28, so that the moving block 19 can move to the position of the impact block 13, and after the impact block 13 is overlapped with the connecting block 16, the third motor 29 rotates reversely, so that the length of the pull rope 28 in the impact hole 11 is again greater than the distance from the top of the impact hole 11 to the upper end face of the turntable 3.
As an embodiment, as shown in fig. 1, a supporting block 7 is included, the supporting block 7 is located between the upper end surface of the base 1 and the lower end surface of the rotary table 3, and is fixed on the upper end surface of the base 1, and the supporting block 7 is right below the cylinder 6. Through supporting shoe 7, during the experiment, play the effect of offsetting the striking power, avoid carousel 3 to suffer too much striking power and produce the slope.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the spirit of the present disclosure, features from the above embodiments or from different embodiments may also be combined, steps may be implemented in any order, and there are many other variations of different aspects of one or more embodiments of the present description as described above, which are not provided in detail for the sake of brevity.
It is intended that the embodiment or embodiments of this specification cover all such alternatives as fall within the broad scope of the appended claims; modifications and variations. Accordingly, any omissions may be made that are within the spirit and principles of one or more embodiments of the present description; modifying; equivalents are substituted; modifications, etc. are intended to be included within the scope of the present disclosure.
Claims (7)
1. A battery test apparatus, comprising:
the motor comprises a base and a first motor fixed in the base;
the center of the lower end face is fixedly connected with the first motor output shaft, and the plurality of fixing blocks are fixed on the upper end face of the rotary table and are uniformly distributed on the periphery of the central axis of the rotary table;
the bottom of the bracket is fixed on the upper end surface of the base, the cylinder is internally provided with a collision hole, the upper part of the bracket is provided with an extension end vertical to the bracket, the side surface of the cylinder is fixed on the end part of the extension end, and the opening of the collision hole is positioned on the lower end surface of the cylinder;
the impact block is positioned in the impact hole and used for impacting the battery cell after the impact block performs free-falling body motion along the impact hole when one placing groove for placing the battery cell rotates to a position right below the impact hole;
and the lifting part is used for lifting the impact block to an initial position after the impact block impacts the battery cell, and keeping the impact block unchanged at the initial position before the placing block rotates to a position right below the impact hole.
2. The battery detection device according to claim 1, comprising a horizontal rod and a placement block matched with the placement groove, wherein the placement block is provided with an impact groove with an upward opening, and after the battery cell is placed in the impact groove, the horizontal rod is placed on the top of the battery cell.
3. The battery testing device of claim 2, wherein the height of the placement block is greater than the depth of the placement groove, after the placement block is combined with the placement groove, the vertical distance from the upper end surface of the placement block to the upper end surface of the turntable is equal to the vertical distance from the lower end surface of the cylinder to the upper end surface of the turntable, and the cross section of the striking hole and the cross section of the striking groove are both rectangular and equal in size.
4. The battery detection apparatus according to claim 3, wherein the lift portion includes:
the side groove is arranged on the side surface of the cylinder and is communicated with the impact hole, and the side hole faces the side groove;
the end block is fixed at the top of the cylinder at one side, and the second motor is fixed on the end block and is positioned at one side of the cylinder;
the side surface of the moving block facing the side groove is internally provided with an inner hole;
the electromagnet is fixed at the bottom of the inner hole, the spring with one end fixedly connected with the bottom of the inner hole and the connecting block, one end of the connecting block is positioned in the inner hole, and the end surface of the end is fixedly connected with the other end of the spring; the other end of the connecting block penetrates through the side groove, and when the connecting block is used for lifting the impact block or keeping the position of the impact block unchanged, the end part of the connecting block coincides with the side hole;
and one end of the straight rod is fixed on the lower end face of the end block, and the straight rod is in sliding connection with a through hole arranged in the moving block.
5. The battery detection device according to claim 4, comprising a rotation block and a limit switch fixed on the lower end surface of the rotation block, wherein the rotation block is positioned above the moving block and is in threaded connection with the straight rod.
6. The battery test apparatus of claim 4, further comprising:
the winding wheel is fixedly connected with an output shaft of the third motor;
and the movable end of the pull rope wound on the winding wheel penetrates through the end block and the cylinder, extends into the impact hole and is fixedly connected with the upper end face of the impact block, and the length of the pull rope in the impact hole is greater than the distance from the top of the impact hole to the upper end face of the rotary disc.
7. The battery detection device according to claim 1, comprising a support block, wherein the support block is located between the upper end surface of the base and the lower end surface of the turntable and fixed on the upper end surface of the base, and the support block is located right below the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010517611.9A CN111879489A (en) | 2020-06-09 | 2020-06-09 | Battery detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010517611.9A CN111879489A (en) | 2020-06-09 | 2020-06-09 | Battery detection device |
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| CN111879489A true CN111879489A (en) | 2020-11-03 |
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Application publication date: 20201103 |