CN217060438U - Battery testing device and battery production equipment - Google Patents
Battery testing device and battery production equipment Download PDFInfo
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- CN217060438U CN217060438U CN202220296483.4U CN202220296483U CN217060438U CN 217060438 U CN217060438 U CN 217060438U CN 202220296483 U CN202220296483 U CN 202220296483U CN 217060438 U CN217060438 U CN 217060438U
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Abstract
The utility model relates to a battery test technical field especially relates to a battery testing arrangement and battery production facility. The battery testing device includes: the frame body comprises a top part, a bottom part and supporting legs supported between the top part and the bottom part; the thickness testing device comprises a linear driving mechanism, a supporting plate and a data acquisition module, wherein the supporting plate is connected with the driving end of the linear driving mechanism and is used for bearing a battery to be tested; the OCV testing device is arranged on the frame body, and a probe of the OCV testing device can be electrically connected with the battery to be tested in a state that the battery to be tested is pressed between the supporting plate and the top. The utility model provides a battery testing arrangement and battery production facility, its occupation space is less, and efficiency of software testing is higher moreover.
Description
Technical Field
The utility model relates to a battery test technical field especially relates to a battery testing arrangement and battery production facility.
Background
In the production process of the battery, an OCV (open circuit voltage) test and a thickness test are two important test links, and the electrical performance parameters of the battery can be obtained through the OCV test, so that the performance and the quality of the battery are ensured. The thickness parameter of the battery can be obtained through the thickness test, and the uniformity and subsequent assembly of the battery are guaranteed.
In the prior art, the OCV test and the thickness test of the battery belong to two different procedures, and step-by-step test is needed. Therefore, the battery testing mode in the battery production process in the prior art occupies a large space and has low testing efficiency.
Therefore, how to solve the problems of low efficiency of the battery test mode and large occupied space of the test device in the prior art becomes an important technical problem to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model provides a battery testing arrangement and battery production facility, its occupation space is less, and efficiency of software testing is higher moreover.
A first aspect of the present invention provides a battery testing device, including:
a frame body comprising a top portion, a bottom portion, and legs supported between the top portion and the bottom portion;
the thickness testing device comprises a linear driving mechanism, a supporting plate and a data acquisition module, wherein the linear driving mechanism is arranged at the bottom, the supporting plate is connected with the driving end of the linear driving mechanism, the supporting plate is used for bearing a battery to be tested, the linear driving mechanism is used for driving the supporting plate to move between the top and the bottom, the linear driving mechanism can drive the supporting plate to tightly press the battery to be tested between the supporting plate and the top, and the data acquisition module is used for acquiring thickness data of the battery to be tested;
the OCV testing device is arranged on the frame body, the to-be-tested battery is pressed on the supporting plate and in the state between the tops, and a probe of the OCV testing device can be electrically connected with the to-be-tested battery.
According to the utility model provides a battery testing device, linear driving mechanism includes motor and electric jar, the input of electric jar with motor drive connects, the output of electric jar with the layer board is connected.
According to the utility model provides a battery testing arrangement, data acquisition module includes:
the encoder is used for acquiring the angular displacement of the motor;
and the calculator is used for calculating the thickness of the battery to be tested according to the angular displacement of the motor.
According to the utility model provides a battery testing arrangement still includes:
the torque detection module is used for detecting the output torque of the motor;
and the start-stop control module is electrically connected with the torque detection module and is used for controlling the motor to stop rotating when the output torque of the motor reaches a preset value.
According to the utility model provides a battery testing arrangement still includes the conveying mechanism who is used for carrying the examination battery that awaits measuring, conveying mechanism's middle part position is provided with the clearance, the layer board set up in the clearance.
According to the utility model provides a battery testing arrangement, conveying mechanism is provided with the locating piece that is used for the location examination battery that awaits measuring, the examination battery that awaits measuring can be fixed a position between the last locating piece of conveying mechanism.
According to the utility model provides a battery testing arrangement, the layer board with be provided with the location arch that at least a pair of interval set up on the corresponding face at top, the examination battery that awaits measuring can be fixed a position between the arch of location.
According to the utility model provides a battery testing device, the bottom is provided with the guiding hole, the layer board is provided with the guide post, the guide post with cooperate with guiding hole slidable.
According to the utility model provides a battery testing arrangement, OCV testing arrangement includes probe actuating mechanism, probe actuating mechanism is used for working as the examination of awaiting measuring battery is compressed tightly the layer board with when between the top, the drive the probe with the examination of awaiting measuring battery electricity is connected.
A second aspect of the present invention provides a battery production apparatus, including the battery testing device according to any one of the above aspects.
The utility model provides a battery testing arrangement, when testing the battery that awaits measuring, at first through thickness testing arrangement's sharp actuating mechanism drive layer board to the top direction displacement of being close to the support body, make the examination battery that awaits measuring pressed from both sides tightly between layer board and top. The data acquisition module can indirectly calculate the thickness of the battery to be tested according to the driving quantity of the linear driving mechanism. When the battery to be tested is clamped between the supporting plate and the top, the probe of the OCV testing device can be electrically connected with the battery to be tested, and further the OCV test on the battery to be tested is realized. According to the arrangement, the thickness test and the OCV test of the battery to be tested can be realized through the same test device, the test efficiency is effectively improved, and the occupied space of the test device is reduced.
The utility model provides a battery production facility, include as above arbitrary battery testing arrangement. According to the configuration, the utility model provides a battery production facility can effectively improve battery test efficiency, reduces the space that testing arrangement occupy. The derivation process of the beneficial effect is substantially similar to the derivation process of the beneficial effect brought by the battery testing device, and is not repeated here.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a thickness testing device of a battery testing device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an OCV testing device of the battery testing device according to an embodiment of the present invention;
fig. 3 is a schematic view of a partial structure of a battery production apparatus according to an embodiment of the present invention;
fig. 4 is an enlarged schematic view of a portion a of fig. 3.
Reference numerals:
11: a frame body; 12: a top portion; 13: a bottom; 14: a support leg; 15: a support plate; 16: a motor; 17: an electric cylinder; 18: a guide post; 19: positioning the projection; 20: a cylinder; 21: a probe; 22: a battery to be tested; 23: a conveying mechanism; 24: positioning a block; 25: and an OCV testing device.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
A battery test apparatus and a battery production apparatus provided in an embodiment of the present invention will be described below with reference to fig. 1 to 4. The battery test apparatus includes a frame body 11, a thickness test apparatus, and an OCV test apparatus 25.
As shown in fig. 1, the frame 11 includes a top 12, a bottom 13, and legs 14 supported between the top 12 and the bottom 13. In some embodiments, the top 12 and the bottom 13 of the frame 11 may be respectively configured as a top plate and a bottom plate, which are correspondingly configured, and both may be configured as a rectangular plate-like structure. The legs 14 may be embodied in four pieces, which are connected to the top and bottom plates at four corner positions, respectively.
The thickness testing device comprises a linear driving mechanism, a supporting plate 15 and a data acquisition module, wherein the linear driving mechanism is arranged at the bottom 13 of the frame body 11. The support plate 15 is connected with a driving end of the linear driving mechanism, the support plate 15 is used for bearing the battery 22 to be tested, the linear driving mechanism is used for driving the support plate 15 to move between the top portion 12 and the bottom portion 13 of the frame body 11, the linear driving mechanism can drive the support plate 15 to tightly press the battery 22 to be tested between the support plate 15 and the top portion 12, and the data acquisition module is used for acquiring thickness data of the battery 22 to be tested.
In some embodiments, the linear driving mechanism is disposed below the bottom 13 of the frame body 11, the support plate 15 is disposed above the bottom 13 of the frame body 11, the bottom 13 of the frame body 11 is provided with a through hole for the linear driving mechanism to pass through, and a driving end of the linear driving mechanism passes through the through hole to be connected with the support plate 15. When the linear driving mechanism drives the supporting plate 15 to move upwards, the supporting plate 15 gradually moves towards the direction close to the top 12 of the rack body 11, and then the battery 22 to be tested can be gradually clamped between the supporting plate 15 and the top 12 of the rack body 11.
The data collecting module is used for collecting thickness data of the battery 22 to be tested, and in some embodiments, when the supporting plate 15 is in an initial state, that is, when the driving end of the linear driving mechanism does not act, an initial distance between the upper surface of the supporting plate 15 and the lower surface of the top 12 of the frame body 11 is L 1 The data acquisition module can prestore an initial distance L 1 . The data acquisition module can acquire the displacement L of the supporting plate 15 from the initial state to the time of pressing the battery 22 to be tested 2 And according to the formula L 3 ＝L 1 －L 2 And calculating the thickness L of the battery 22 to be tested 3 。
Alternatively, in other embodiments, the data acquisition module may also use a distance sensor, and when the battery 22 to be tested is clamped between the support plate 15 and the top 12 of the frame body 11, the distance sensor senses the distance between the support plate 15 and the top 12 of the frame body 11, that is, the thickness of the battery 22 to be tested.
The OCV testing device 25 is provided on the rack 11, and the probe 21 of the OCV testing device 25 can be electrically connected with the battery 22 to be tested in a state where the battery 22 to be tested is pressed between the tray 15 and the top 12 of the rack 11.
In some embodiments, the OCV testing device 25 is fixedly disposed at a lower surface of the top 12 of the housing 11, and when the battery to be tested is held by the tray 15, the OCV testing device 25 is located at a lateral position of the battery 22 to be tested. And the probe 21 of the OCV testing device 25 is a retractable probe, and when the battery 22 to be tested is clamped, the probe 21 of the OCV testing device 25 extends out to abut against an electrode pole of the battery 22 to be tested, thereby realizing the electrical connection between the probe 21 and the battery 22 to be tested.
With such an arrangement, when testing the battery 22 to be tested, the battery testing apparatus provided in this embodiment drives the supporting plate 15 to move toward the top 12 of the frame body 11 by the linear driving mechanism of the thickness testing apparatus, so that the battery 22 to be tested is clamped between the supporting plate 15 and the top 12. The data acquisition module can indirectly calculate the thickness of the battery 22 to be tested according to the driving amount of the linear driving mechanism. When the battery 22 to be tested is clamped between the supporting plate 15 and the top 12, the probe 21 of the OCV testing device 25 can be electrically connected with the battery 22 to be tested, so as to perform OCV test on the battery to be tested. The testing device provided by the embodiment can realize the thickness test and the OCV test of the battery 22 to be tested only by the same testing device, so that the testing efficiency is effectively improved, and the occupied space of the testing device is reduced.
In some embodiments, the linear driving mechanism includes a motor 16 and an electric cylinder 17, an input end of the electric cylinder 17 is in transmission connection with the motor 16, an output end of the electric cylinder 17 is connected with the supporting plate 15, the electric cylinder 17 is used for converting the rotation of the motor 16 into a linear motion, and the supporting plate 15 is driven by the electric cylinder 17 to realize up-and-down displacement.
In some embodiments, the data acquisition module includes an encoder and a calculator. The encoder is used to acquire the angular displacement of the motor 16. The calculator is used for calculating the thickness of the battery 22 to be tested according to the angular displacement of the motor 16.
The angular displacement of the motor 16 is in direct proportion to the displacement of the output end of the electric cylinder 17, and the displacement of the output end of the electric cylinder 17 can be calculated from the angular displacement of the motor 16. According to the angular displacement from the start to the stop of the motor 16, the linear displacement of the output end of the electric cylinder 17 can be calculated, and the linear displacement of the output end of the electric cylinder 17 is the displacement L from the initial state to the time of pressing the battery 22 to be tested on the supporting plate 15 2 。
In a further embodiment, the battery testing device further comprises a torque detection module and a start-stop control module. The torque detection module is used for detecting the output torque of the motor 16. The start-stop control module is electrically connected with the torque detection module and is used for controlling the motor 16 to stop rotating when the output torque of the motor 16 reaches a preset value.
It should be noted that, when the motor 16 drives the supporting plate 15 to move upward, so that the battery 22 to be tested contacts the top 12 of the rack 11, the motor 16 continues to rotate, and as the battery 22 to be tested gradually abuts against the top 12 of the rack 11, the resistance applied to the motor 16 gradually increases, and then the output torque of the motor 16 gradually increases until the output torque of the motor 16 reaches a preset value, which indicates that the battery 22 to be tested and the top 12 of the rack 11 are already in an abutting state, at this time, the start-stop control module controls the motor 16 to stop rotating, so that the position of the battery 22 to be tested is in a state of being unchanged. So set up, avoided because of having the measuring error problem that the clearance leads to between the top 12 of examination battery 22 and support body 11 of awaiting measuring, the standard of thickness test is unanimous moreover at every turn, has guaranteed the uniformity of battery.
In a further embodiment, the battery testing apparatus further includes a conveying mechanism 23 for conveying the battery 22 to be tested, a gap is provided in a middle position of the conveying mechanism 23, and the support plate is disposed in the gap.
Conveying mechanism 23 can be conveying mechanism 23 in the battery production link, and after the battery production is accomplished, need not carry out the transfer of rolling off the production line, can carry out thickness test and OCV test, has effectively improved production efficiency.
In some embodiments, the conveying mechanism 23 may be a pair of conveyor belt mechanisms, the pair of conveyor belt mechanisms are arranged in parallel, and the pair of conveyor belt mechanisms are arranged at intervals to form the gap, and both side positions of the bottom surface of the battery 22 to be tested on the production line are overlapped on the pair of conveyor belt mechanisms. And a pair of conveyor belt mechanisms pass through the space between the supporting legs 14 of the rack body 11 and the space between the top 12 and the bottom 13, the supporting plate 15 is positioned between the pair of conveyor belt mechanisms, when the battery 22 to be tested is conveyed to a position above the supporting plate 15 by the pair of conveyor belt mechanisms, the motor 16 is started, and the supporting plate 15 is driven to move upwards to support the battery 22 to be tested and press the battery 22 to be tested at the position of the top 12 of the rack body 11. After the test is finished, the motor 16 is started to drive the supporting plate 15 to reset, so that the battery which is finished to test falls on the pair of conveying belt mechanisms again and is conveyed to the next production link through the pair of conveying belt mechanisms.
In order to improve the stability of the batteries to be tested 22 during the transportation of the batteries to be tested 22 by the transportation mechanism 23, in a further embodiment, the transportation mechanism 23 is provided with positioning blocks 24 for positioning the batteries to be tested 22, and the batteries to be tested 22 can be positioned between the positioning blocks 24 on the transportation mechanism 23.
In some embodiments, there may be four positioning blocks 24 in each set, and four positioning blocks 24 correspond to four corner positions of the battery 22 to be tested. Each locating block 24 may be provided with an L-shaped groove that mates with a corner of the battery 22 to be tested. The four corner positions of the battery 22 to be tested are respectively positioned by the four positioning blocks 24, so that the stability of the battery 22 to be tested on the conveying mechanism 23 is effectively improved.
In addition, in order to improve the stability when the support plate 15 holds the battery 22 to be tested, at least one pair of positioning protrusions 19 arranged at intervals is arranged on the corresponding surface of the support plate 15 and the top 12, and the battery 22 to be tested can be positioned between the positioning protrusions 19.
When the battery 22 to be tested is supported by the supporting plate 15, the battery 22 to be tested is restrained by the pair of positioning bulges 19, so that the problems that the position of the battery 22 to be tested is deviated when the battery 22 to be tested is pressed, and the probe 21 of the OCV testing device 25 cannot effectively contact the electrode column of the battery 22 to be tested are avoided.
In a further embodiment, the bottom 13 of the frame 11 is provided with guide holes, and the pallet 15 is provided with guide posts 18, the guide posts 18 being slidably engaged with the guide holes. In some embodiments, the supporting plate 15 may be provided with a plurality of guiding posts 18, and correspondingly, the bottom 13 of the frame body 11 is provided with a plurality of guiding holes, and the guiding posts 18 are in one-to-one sliding fit with the guiding holes.
When the electric cylinder 17 drives the supporting plate 15 to ascend or descend, under the matching of the guide posts 18 and the guide holes, an effective constraint effect can be formed on the supporting plate 15, and the problem that the supporting plate 15 deflects is avoided.
In a further embodiment, the OCV testing device 25 includes a probe driving mechanism for electrically connecting the driving probe 21 with the battery 22 to be tested when the battery 22 to be tested is pressed between the tray 15 and the top 12.
The probe driving mechanism can be specifically configured as an air cylinder 20, the probe 21 is configured at the driving end of the air cylinder 20, and when the battery 22 to be tested is pressed between the supporting plate 15 and the top portion 12, the driving end of the air cylinder 20 extends out, so that the probe 21 is in contact with the electrode column of the battery 22 to be tested, and the electrical connection between the probe 21 and the electrode column is realized. Of course, in other embodiments, the probe drive mechanism may be configured as an electric cylinder, a hydraulic cylinder, or the like.
The embodiment of the utility model provides an in still provide a battery production facility, include as above arbitrary embodiment battery testing arrangement. So set up, the battery production facility that this embodiment provided can effectively improve battery efficiency of software testing, reduces the space that testing arrangement occupy. The derivation process of the beneficial effect is substantially similar to the derivation process of the beneficial effect brought by the battery testing device, and is not repeated here.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A battery testing apparatus, comprising:
a frame body comprising a top portion, a bottom portion and legs supported between the top portion and the bottom portion;
the thickness testing device comprises a linear driving mechanism, a supporting plate and a data acquisition module, wherein the linear driving mechanism is arranged at the bottom, the supporting plate is connected with the driving end of the linear driving mechanism, the supporting plate is used for bearing a battery to be tested, the linear driving mechanism is used for driving the supporting plate to move between the top and the bottom, the linear driving mechanism can drive the supporting plate to tightly press the battery to be tested between the supporting plate and the top, and the data acquisition module is used for acquiring the thickness data of the battery to be tested;
the OCV testing device is arranged on the frame body, the to-be-tested battery is pressed on the supporting plate and in the state between the tops, and a probe of the OCV testing device can be electrically connected with the to-be-tested battery.
2. The battery testing device of claim 1, wherein the linear driving mechanism comprises a motor and an electric cylinder, an input end of the electric cylinder is in transmission connection with the motor, and an output end of the electric cylinder is connected with the supporting plate.
3. The battery testing device of claim 2, wherein the data acquisition module comprises:
the encoder is used for acquiring the angular displacement of the motor;
and the calculator is used for calculating the thickness of the battery to be tested according to the angular displacement of the motor.
4. The battery test apparatus according to claim 2 or 3, further comprising:
the torque detection module is used for detecting the output torque of the motor;
and the start-stop control module is electrically connected with the torque detection module and is used for controlling the motor to stop rotating when the output torque of the motor reaches a preset value.
5. The battery testing device according to claim 1, further comprising a conveying mechanism for conveying the battery to be tested, wherein a gap is provided at a middle position of the conveying mechanism, and the supporting plate is disposed in the gap.
6. The battery testing device according to claim 5, wherein the conveying mechanism is provided with positioning blocks for positioning the battery to be tested, and the battery to be tested can be positioned between the positioning blocks on the conveying mechanism.
7. The battery testing device of claim 1, wherein at least one pair of positioning protrusions are disposed on the corresponding surface of the supporting plate and the top, and a battery to be tested can be positioned between the positioning protrusions.
8. The battery testing device of claim 1, wherein the bottom portion is provided with guide holes, and the support plate is provided with guide posts slidably engaged with the guide holes.
9. The battery testing apparatus of claim 1, wherein the OCV testing apparatus includes a probe driving mechanism for driving the probe into electrical connection with the battery to be tested when the battery to be tested is compressed between the tray and the top.
10. A battery production apparatus characterized by comprising the battery test device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220296483.4U CN217060438U (en) | 2022-02-14 | 2022-02-14 | Battery testing device and battery production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220296483.4U CN217060438U (en) | 2022-02-14 | 2022-02-14 | Battery testing device and battery production equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217060438U true CN217060438U (en) | 2022-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220296483.4U Active CN217060438U (en) | 2022-02-14 | 2022-02-14 | Battery testing device and battery production equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217060438U (en) |
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2022
- 2022-02-14 CN CN202220296483.4U patent/CN217060438U/en active Active
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