CN217786788U - Testing device for battery piece - Google Patents

Testing device for battery piece Download PDF

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Publication number
CN217786788U
CN217786788U CN202221971286.4U CN202221971286U CN217786788U CN 217786788 U CN217786788 U CN 217786788U CN 202221971286 U CN202221971286 U CN 202221971286U CN 217786788 U CN217786788 U CN 217786788U
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China
Prior art keywords
base
pressure head
heating device
lamp box
along
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Active
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CN202221971286.4U
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Chinese (zh)
Inventor
戚培东
陶武松
李婷婷
杨晨召
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Jinko Solar Co Ltd
Jinko Solar Haining Co Ltd
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Jinko Solar Co Ltd
Jinko Solar Haining Co Ltd
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Priority to CN202221971286.4U priority Critical patent/CN217786788U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

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Abstract

The utility model discloses a testing device for battery plates, which comprises a base, wherein at least two supports are arranged on the base; the base is further provided with a support frame, the support frame comprises a vertical rod extending along the third direction and a cross rod connected with the vertical rod, and the cross rod extends along the second direction; the vertical rod is provided with at least one heating device; the support is in contact fit with the bottom surface of the element to be tested and keeps the element to be tested parallel to the first direction; the device comprises a base, a pressure head and a heating device, wherein the heating device is used for heating an element to be tested, the pressure head is used for pressing down the central position of the element to be tested and can vertically move and extend along a third direction, the pressure head penetrates through the heating device along the third direction, and the orthographic projection of the pressure head on the base is not overlapped with the orthographic projection of the heating device on the base; at least one support is provided with a temperature sensor, and the temperature sensor is electrically connected with the heating device through a controller. The mechanical stress expression of the element to be measured in the welding process is reflected by simulating the welding environment of the element to be measured in the welding process by utilizing the mutual matching of the heating device and the temperature sensor.

Description

Testing device for battery piece
Technical Field
The utility model relates to an electronic component tests technical field, more specifically relates to a testing arrangement for battery piece.
Background
At present, the solar cells are various in types, and the structures of the same cell are also different, for example, the thickness of an antireflection film layer, the thickness of polycrystalline silicon (poly), the difference of a screen printing plate and the like, and the process performance is different in the welding process, because the thermal expansion coefficients of different structures in the solar cells are different in the heating and warming process, the hidden crack risk of the cells with different structures is different under the high-temperature condition due to the fact that the cells with different structures are subjected to external force, and the existing material testing machine can only test the bending stress of the solar cells at normal temperature, and the solar cells are difficult to test at the welding temperature.
Therefore, it is desirable to provide a device for testing a battery piece, which can simulate a welding environment of a device under test during a welding process to represent a mechanical stress behavior of the device under test during the welding process.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a testing arrangement for battery piece, including the base, be provided with at least two supports on the base, the support is arranged along first direction and/or second direction, and extends along the third direction, the first direction is the length direction of base, the third direction and the second direction respectively with the first direction crossing;
the base is further provided with a support frame, the support frame comprises a vertical rod extending along a third direction and a cross rod connected with the vertical rod, and the cross rod extends along a second direction;
the vertical rod is provided with at least one heating device;
the support is in contact fit with the bottom surface of the element to be tested and keeps the element to be tested parallel to the first direction;
the device comprises a base, a pressure head, a heating device and a power supply, wherein the pressure head is used for pressing down the central position of an element to be tested and can vertically move and extend along the third direction, the pressure head penetrates through the heating device along the third direction, and the orthographic projection of the pressure head on the base is not overlapped with the orthographic projection of the heating device on the base;
and at least one support is provided with a temperature sensor, and the temperature sensor is electrically connected with the heating device through a controller.
Optionally, the at least one heating device comprises a first lamp box and a second lamp box, the first lamp box and the second lamp box are oppositely arranged along the first direction, a space is arranged between the first lamp box and the second lamp box, the pressure head is followed third direction wears to locate the interval, the orthographic projection at the base of first lamp house and second lamp house with the orthographic projection of pressure head at the base is all non-overlapping.
Optionally, at least one lamp tube is respectively installed in the first lamp box and the second lamp box.
Optionally, at least one first heat sink is respectively disposed on top of the first light box and the second light box.
Optionally, the heating device is an integrally formed structure.
Optionally, the heating device includes a lamp box, a through hole extending along the third direction is formed in the lamp box, and the pressure head penetrates through the through hole along the third direction.
Optionally, at least one second heat sink is disposed on the top of the light box.
Optionally, the temperature sensor is located on a side of the support away from the base.
Optionally, the horizontal pole is kept away from montant one end is provided with the pressure head frame, the pressure head frame with the pressure head is connected.
Optionally, the horizontal pole is kept away from montant one end is provided with along the recess of third direction extension, pressure head frame joint in the recess.
Compared with the prior art, the utility model provides a testing arrangement for battery piece has realized following beneficial effect at least:
through the pressure head in this scheme, heating device, mutually supporting of temperature sensor and controller, can simulate the element that awaits measuring and reflect the mechanical stress performance of the element that awaits measuring in welding process's welding environment, can realize the element that awaits measuring bending stress test under specific temperature, realize the intensification and the heat preservation of the element that awaits measuring through heating device, accurately predict the processing procedure performance of the element that awaits measuring in welding process when promoting work efficiency to and discover the problem that the element that awaits measuring exists in the production process in advance.
Of course, it is not necessary for any product of the present invention to achieve all of the above-described technical effects simultaneously.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a side view of a testing device for a battery plate according to an embodiment of the present invention;
fig. 2 is a top view of a testing device for a battery cell provided by an embodiment of the present invention;
fig. 3 is a side view of another testing device for battery plates according to an embodiment of the present invention;
FIG. 4 is a temperature-heating time graph of the DUT;
fig. 5 is a schematic structural diagram of a lamp box according to an embodiment of the present invention;
fig. 6 is a top view of another testing device for battery plates according to an embodiment of the present invention;
fig. 7 is a top view of another testing device for battery plates according to an embodiment of the present invention.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Referring to fig. 1 to 4, the present embodiment provides a testing apparatus for a battery piece, including a base 1, where the base 1 is provided with at least two supports 10, the supports 10 are arranged along a first direction X and/or a second direction Y, and extend along a third direction Z, the first direction X is a length direction of the base 1, and the third direction Z and the second direction Y intersect with the first direction X respectively;
the base 1 further comprises a support frame 11, the support frame 11 comprises a vertical rod 110 extending along the third direction Z and a cross rod 111 connected with the vertical rod 110, and the cross rod 111 extends along the second direction Y;
at least one heating device 2 is arranged on the vertical rod 110;
the support 10 is in contact fit with the bottom surface of the element to be tested 3 and keeps the element to be tested 3 parallel to the first direction X;
the device also comprises a pressure head 4 which is used for pressing down the central position of the element to be tested 3 and can vertically move and extend along a third direction Z, wherein the pressure head 4 penetrates through the heating device 2 along the third direction Z, and the orthographic projection of the pressure head 4 on the base 1 is not overlapped with the orthographic projection of the heating device 2 on the base 1;
at least one support 10 is provided with a temperature sensor 12, and the temperature sensor 12 is electrically connected with the heating device 2 through the controller 5.
Specifically, the testing device for the battery piece comprises a base 1, wherein at least two supports 10 are vertically installed on the base 1, the supports 10 are used for bearing an element to be tested 3, the supports 10 are arranged along a first direction X and/or a second direction Y and extend along a third direction Z, the first direction X is the length direction of the base 1, the third direction Z and the second direction Y are respectively intersected with the first direction X, if 2 supports 10,2 are arranged on the base 1 along the first direction X, the element to be tested 3 can be placed on the 2 supports 10, or the 2 supports 10 can also be arranged along the second direction Y, and the element to be tested 3 is placed on the 2 supports 10; 4 vertical supports 10 can also be installed on the base 1, wherein 2 supports 10 are arranged along the first direction X, and the other 2 supports 10 are arranged along the second direction Y, although more supports 10 can be provided according to actual conditions, as long as the element to be tested 3 can be placed on the supports 10 for testing the element to be tested 3;
the base 1 is further provided with a support frame 11, the support frame 11 comprises a vertical rod 110 and a cross rod 111, the vertical rod 110 is used for fixing the heating device 2, the cross rod 111 is used for fixing the pressure head base 40, the vertical rod 110 extends along the third direction Z, one end, far away from the base 1, of the vertical rod 110 is connected with the cross rod 111, the cross rod 111 extends along the second direction Y, and the orthographic projection of the support frame 11 on the base 1 is not overlapped with the orthographic projection of the support 10 on the base 1;
the vertical rod 110 is provided with at least one heating device 2, and the heating device 2 is used for providing heat radiation for the element 3 to be detected and realizing the temperature rise and heat preservation of the element 3 to be detected;
the support 10 is in contact fit with the bottom surface of the element to be measured 3 and keeps the element to be measured 3 parallel to the first direction X, that is, the element to be measured 3 is placed on the support 10, the top surface of the support 10 is in contact with the bottom surface of the element to be measured 3, the element to be measured 3 is kept in a horizontal state, and the element to be measured 3 can be a cell sample;
the device is characterized by further comprising a pressure head 4 capable of moving vertically and used for pressing down the center of the element to be detected 3, wherein the pressure head 4 is pressed down at a constant speed and gradually abuts against the center of the top surface of the element to be detected 3 until the stress data of the element to be detected 3 is detected, the pressure head 4 extends along a third direction Z and penetrates through the heating device 2 along the third direction Z, the orthographic projection of the pressure head 4 on the base 1 is not overlapped with the orthographic projection of the heating device 2 on the base 1, namely, the arrangement of the heating device 2 does not interfere the pressure head 4 to move vertically; it should be noted that: the pressure head 4 is an existing product, and detailed description is omitted;
at least one support 10 is provided with a temperature sensor 12, the temperature sensor 12 can be installed on one support 10 or some supports 10 according to the number of the supports 10, of course, according to the actual situation, the temperature sensor 12 can also be installed on each support 10, the temperature sensor 12 includes but is not limited to an infrared temperature sensor 12, a thermocouple and a digital temperature sensor 12, the temperature sensor 12 is used for monitoring the temperature of the element 3 to be measured, and can meet the requirements that the measured temperature range is 0-500 ℃, the precision is 1 ℃, and the volume is less than 5 multiplied by 10mm; when the temperature sensor 12 is arranged on each support 10, the temperature of the element to be tested 3 is ensured to reach a set value and be uniform, and the temperature condition of the test is ensured; in order to accurately feed back the element to be measured 3 to the controller 5 in time, the temperature sensor 12 may be arranged on the side of the support 10 away from the base 1;
the temperature sensor 12 is electrically connected with the heating device 2 through a controller 5, the controller 5 can be a KT4R type temperature controller 5, and is used for assisting in adjusting the temperature, if the temperature of the element to be tested 3 is tested to be T1, the temperature determination set value is T0, and when T1 is equal to T0, the current of the heating device 2 does not need to be changed; when T1 is greater than T0, the current of the heating device 2 is reduced; when T1 is smaller than T0, the current of the heating device 2 is increased; the temperature of the element to be measured 3 can be adjusted under all three conditions; the controller 5 can be installed on a frame 6 below the base 1, the frame 6 is used for bearing the base, so as to ensure the stability of the whole testing device for the battery piece, and the connection between the temperature sensor 12 and the controller 5, and the connection between the heating device 2 and the controller 5 can be 51.
When the device is used specifically, firstly, the element to be measured 3 is placed on the support 10; secondly, starting the heating device 2 to heat until the element 3 to be measured is heated to a temperature set value of about 220 ℃, wherein the time required for heating the element 3 to be measured to 220 ℃ from room temperature (25 ℃) is less than 2s, as shown in fig. 4; and finally, pressing the pressure head 4 downwards to start testing, keeping a constant temperature state (automatically adjusting the heating power of the heating device 2) during testing until the element to be tested 3 is crushed under pressure, closing the heating device 2, and reading and recording a stress data result.
It should be noted that: the testing device for the cell can be suitable for most solar cells, such as polycrystalline cells, single crystal PERC cells, heterojunction cells (HJT) and back Contact cells (IBC), and N-type Topcon (Tunnel Oxide Passivated Contact) cells.
According to the embodiment, the testing device for the battery piece provided by the embodiment at least has the following beneficial effects:
the testing device for the battery piece in the embodiment comprises a base 1, wherein a support 10 and a support frame 11 are installed on the base 1, the support frame 11 comprises a vertical rod 110 extending along a third direction Z and a cross rod 111 connected with the vertical rod 110, and the cross rod 111 extends along a second direction Y; the vertical rod 110 is provided with at least one heating device 2; the support 10 is in contact fit with the bottom surface of the element to be tested 3 and keeps the element to be tested 3 parallel to the first direction X; the device also comprises a pressure head 4 which is used for pressing down the central position of the element to be tested 3 and can vertically move and extend along a third direction Z, wherein the pressure head 4 penetrates through the heating device 2 along the third direction Z, and the orthographic projection of the pressure head 4 on the base 1 is not overlapped with the orthographic projection of the heating device 2 on the base 1; the temperature sensor 12 is installed on at least one support 10, the temperature sensor 12 is electrically connected with the heating device 2 through the controller 5, in the scheme, the pressure head 4, the heating device 2, the temperature sensor 12 and the controller 5 are matched with each other, the mechanical stress performance of the element 3 to be detected in the welding process can be reflected by simulating the welding environment of the element 3 to be detected in the welding process, specifically, the bending stress test of the element 3 to be detected at a specific temperature (15-300 ℃) of the element 3 to be detected is realized, the heating and heat preservation of the element 3 to be detected are realized by using the heating device 2, the process performance of the element 3 to be detected in the welding process is accurately estimated while the working efficiency is improved, and the problem of the element 3 to be detected in the production process is found in advance.
In an embodiment, fig. 6 is a top view of another testing device for a battery plate according to an embodiment of the present invention; fig. 7 is a top view of another testing device for battery plates provided by the embodiment of the present invention; referring to fig. 6 to 6, in the present embodiment, at least one heating device 2 includes a first lamp box 21 and a second lamp box 22, the first lamp box 21 and the second lamp box 22 are oppositely disposed along a first direction X, a space 27 is provided between the first lamp box 21 and the second lamp box 22, the pressure head 4 penetrates through the space 27 along a third direction Z, and orthographic projections of the first lamp box 21 and the second lamp box 22 on the base 1 and orthographic projections of the pressure head 4 on the base 1 are not overlapped.
Specifically, the number of the heating devices 2 is two, the two heating devices are respectively a first lamp box 21 and a second lamp box 22, the first lamp box 21 and the second lamp box 22 are arranged oppositely, a space 27 is formed between the first lamp box 21 and the second lamp box 22, the pressure head 4 penetrates through the space 27 along the third direction Z, the orthographic projection of the first lamp box 21 and the orthographic projection of the second lamp box 22 on the base 1 are not overlapped with the orthographic projection of the pressure head 4 on the base 1, that is, the design of the first lamp box 21 and the second lamp box 22 does not influence the downward vertical movement of the pressure head 4, it can be understood that the first lamp box 21 and the second lamp box 22 are not interfered with each other with the pressure head 4, usually, at least one lamp tube 210 is respectively installed in the first lamp box 21 and the second lamp box 22, the lamp tube 210 can be an infrared heating lamp tube 210, and is a heating main body of the element 3 to be tested, infrared radiation is generated after being electrified, the element 3 to be tested absorbs infrared radiation (thermal radiation), then is heated, and the power of the infrared heating lamp tube 210 can be adjusted, and the temperature required by testing can be maintained; if 2 infrared heating lamp tubes 210 are respectively installed in the first lamp box 21 and the second lamp box 22, and 4 infrared heating lamp tubes 210 are respectively installed in the first lamp box 21 and the second lamp box 22, the number of the lamp tubes 210 in the first lamp box 21 and the second lamp box 22 can be adjusted according to actual situations, and the lamp tubes 210 and the temperature sensor 12 can be electrically connected through the controller 5; if the temperature of the device to be tested 3 is T1, the temperature determination setting value is T0, and when T1 is equal to T0, the current of the lamp 210 does not need to be changed; when T1 is greater than T0, the current of lamp 210 is reduced (the power of lamp 210 is reduced); when T1 is less than T0, the current of lamp 210 is increased (the power of lamp 210 is increased); the temperature of the device under test 3 can be adjusted in all of the above three cases. In specific use, the element to be measured 3 is placed on the support 10; secondly, starting the lamp tube 210 to start heating until the element 3 to be measured is heated to a temperature set value of about 220 ℃; and finally, the pressure head 4 is pressed down to start testing, the lamp tube 210 is kept in a constant temperature state during testing until the element to be tested 3 is crushed under pressure, the lamp tube 210 is closed, and the stress data result is read and recorded. The first lamp box 21 and the second lamp box 22 are used for heating the element 3 to be tested, and the practicability is high.
In one embodiment, as shown with continued reference to fig. 6-6, at least one first heat sink 23 is disposed on top of each of the first and second light boxes 21 and 22.
Specifically, a plurality of first radiators 23 are respectively installed on the tops of the first lamp box 21 and the second lamp box 22, the first radiators 23 may be heat dissipation fans, the heat dissipation fans may be 9 × 9mm industrial standard fans, the number of the first radiators 23 may be 2-4, of course, the number of the first radiators 23 to be installed is determined according to the areas of the first lamp box 21 and the second lamp box 22, the excess heat generated by the lamp tube 210 is discharged through the first radiators 23, the air flow is maintained, the temperature unevenness caused by heat accumulation is prevented, and the test result of the device to be tested 3 is affected.
In one embodiment, and with continued reference to fig. 1-3, the heating device 2 is a one-piece structure, which is sturdy and strong to install.
Optionally, fig. 5 is a schematic structural diagram of a light box provided in an embodiment of the present invention; with reference to fig. 1-3 and fig. 5, in the present embodiment, the heating device 2 includes a lamp box 24, a through hole 25 is formed in the lamp box 24 and extends along the third direction Z, the pressing head 4 penetrates through the through hole 25 along the third direction Z, that is, the through hole 25 is formed in the lamp box 24 and extends along the third direction Z, so that the pressing head 4 penetrates through the through hole 25 along the third direction Z, at least one lamp 240 is usually disposed in the lamp box 24, the lamp 240 is an infrared heating lamp 240 and is a heating body of the device to be tested 3, and generates infrared radiation after being powered on, the device to be tested 3 absorbs the infrared radiation (thermal radiation) and then is heated, the power of the infrared heating lamp 240 is adjustable to reach and maintain the temperature required by the device to be tested 3, 2 to 4 lamps 240 are disposed in the lamp box 24, and the lamp 240 in the lamp box 24 provides thermal radiation for the device to be tested 3, so as to achieve temperature rise and temperature preservation of the device to be tested 3 to be tested, and, for the time required for heating from room temperature (25 ℃) to 220 ℃) is less than 2S, and the device to be tested 3 to be tested during the welding process accurately represented in the welding process.
Optionally, as shown by continuing to refer to fig. 2-6, at least one second heat sink 26 is disposed on the top of the light box 24, the second heat sink 26 may be a heat dissipation fan, the heat dissipation fan may be a 9 × 9mm industry standard fan, and the number of the second heat sinks 26 may be 2-4, of course, the number of the second heat sinks 26 to be installed is determined according to the areas of the first light box 2421 and the second light box 2422, and the excess heat generated by the lamp 240 is discharged through the second heat sink 26, so as to keep the air flowing, prevent the heat accumulation from causing temperature unevenness, and influence the test result of the device under test 3.
Optionally, as shown in fig. 6, the end of the cross rod 111 away from the vertical rod 110 is provided with a press head base 40, and the press head base 40 is connected to the press head 4, in this case, the press head base 40 is installed on the cross rod 111, the press head 4 is directly installed on the press head base 40, and the press head base 40 is used for fixing the press head 4, which is more beneficial for the press head 4 to make reciprocating vertical movement.
Optionally, as shown in fig. 3, a groove 113 extending along the third direction Z is provided at an end of the cross bar 111 away from the vertical bar 110, and the indenter base 40 is clamped in the groove 113, specifically, the groove 113 is provided at an end of the cross bar 111 away from the vertical bar 110, and the indenter base 40 is conveniently clamped by using the groove 113, so as to fix the indenter base 40.
According to the above embodiment, the utility model provides a testing arrangement for battery piece has realized following beneficial effect at least:
the utility model discloses a testing device for battery plates, which comprises a base, wherein a support and a support frame are arranged on the base, the support frame comprises a vertical rod extending along a third direction and a horizontal rod connected with the vertical rod, and the horizontal rod extends along a second direction; the vertical rod is provided with at least one heating device; the support is in contact fit with the bottom surface of the element to be tested and keeps the element to be tested parallel to the first direction; the device comprises a base, a pressure head and a heating device, wherein the heating device is used for heating an element to be tested, the pressure head is used for pressing down the central position of the element to be tested and can vertically move and extend along a third direction, the pressure head penetrates through the heating device along the third direction, and the orthographic projection of the pressure head on the base is not overlapped with the orthographic projection of the heating device on the base; install temperature sensor on at least one support, be connected through the controller electricity between temperature sensor and the heating device, through the pressure head in the above-mentioned scheme, heating device, mutually supporting of temperature sensor and controller, can simulate the element that awaits measuring and reflect the mechanical stress performance of the element that awaits measuring in welding process in the welding environment of welding process, can realize the element that awaits measuring bending stress test of the element that awaits measuring under specific temperature, realize the intensification and the heat preservation of the element that awaits measuring through heating device, the process performance of the element that awaits measuring in welding process is accurately estimated when promoting work efficiency, and discover the problem that the element that awaits measuring exists in the production process in advance.
Although certain specific embodiments of the present invention have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims (10)

1. The testing device for the battery piece is characterized by comprising a base, wherein at least two supports are arranged on the base, the supports are arranged along a first direction and/or a second direction and extend along a third direction, the first direction is the length direction of the base, and the third direction and the second direction are respectively intersected with the first direction;
the base is further provided with a support frame, the support frame comprises a vertical rod extending along a third direction and a cross rod connected with the vertical rod, and the cross rod extends along a second direction;
the vertical rod is provided with at least one heating device;
the support is in contact fit with the bottom surface of the element to be tested and keeps the element to be tested parallel to the first direction;
the device comprises a base, a pressure head, a heating device and a power supply, wherein the pressure head is used for pressing down the central position of an element to be tested and can vertically move and extend along the third direction, the pressure head penetrates through the heating device along the third direction, and the orthographic projection of the pressure head on the base is not overlapped with the orthographic projection of the heating device on the base;
at least one support is provided with a temperature sensor, and the temperature sensor is electrically connected with the heating device through a controller.
2. The device of claim 1, wherein the at least one heating device comprises a first lamp box and a second lamp box, the first lamp box and the second lamp box are oppositely arranged along the first direction, a space is formed between the first lamp box and the second lamp box, the pressure head penetrates through the space along the third direction, and the orthographic projections of the first lamp box and the second lamp box on the base are not overlapped with the orthographic projection of the pressure head on the base.
3. The device as claimed in claim 2, wherein at least one lamp is installed in each of the first and second lamp boxes.
4. The testing device for the battery piece according to claim 2, wherein the first light box and the second light box are respectively provided with at least one first heat sink on the top.
5. The testing device for the battery piece as claimed in claim 1, wherein the heating device is an integrally formed structure.
6. The device as claimed in claim 5, wherein the heating device comprises a lamp housing, the lamp housing is provided with a through hole extending along the third direction, and the pressure head penetrates through the through hole along the third direction.
7. The device for testing battery plates as claimed in claim 6, wherein the top of the lamp box is provided with at least one second heat sink.
8. The device as claimed in claim 1, wherein the temperature sensor is located on a side of the support away from the base.
9. The device for testing battery plates as claimed in claim 1, wherein a pressure head base is arranged at one end of the cross bar, which is far away from the vertical bar, and the pressure head base is connected with the pressure head.
10. The device for testing the battery piece as claimed in any one of claims 1 to 9, wherein a groove extending in a third direction is formed at one end of the cross bar, which is far away from the vertical bar, and the pressing head base is clamped in the groove.
CN202221971286.4U 2022-07-28 2022-07-28 Testing device for battery piece Active CN217786788U (en)

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CN202221971286.4U CN217786788U (en) 2022-07-28 2022-07-28 Testing device for battery piece

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116973245A (en) * 2023-09-22 2023-10-31 江苏创生源智能装备股份有限公司 Photovoltaic cell bending strength detection device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116973245A (en) * 2023-09-22 2023-10-31 江苏创生源智能装备股份有限公司 Photovoltaic cell bending strength detection device
CN116973245B (en) * 2023-09-22 2023-12-01 江苏创生源智能装备股份有限公司 Photovoltaic cell bending strength detection device

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