Solar cell temperature measuring device
By using a first carrier plate and a second carrier plate to fix the solar cells and the heat insulation box during the solar cell manufacturing process, and combining this with a limiting ring to fix the thermocouple, the problem of unstable position is solved, and high-precision temperature measurement is achieved.
Patent Information
- Application Number
- CN202520385599.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-03-06
AI Technical Summary
During the manufacturing process of solar cells, the placement of the heat insulation box, thermocouple probe, and solar cell is not fixed while the mesh belt or ceramic roller is running. This makes it impossible to guarantee the consistency and accuracy of repeated measurements, and the thermocouple is easily detached from the solar cell due to vibration, resulting in measurement failure.
A solar cell temperature measuring device including a first carrier plate and a second carrier plate is adopted. The solar cells and heat insulation boxes are fixed to their respective carrier plates by the first fixing component and the second fixing component to ensure accurate positioning and prevent relative movement during the operation of the mesh belt or ceramic roller. The thermocouple is fixed to the first carrier plate by the limiting ring to prevent detachment.
This improves the consistency of repeated tests and the accuracy of temperature measurements, prevents the thermocouple from detaching from the battery during vibration, and ensures the stability and accuracy of temperature measurements.
Smart Images
Figure CN223741774U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of solar cell manufacturing, and in particular to a solar cell temperature measuring device. Background Technology
[0002] In the manufacturing process of solar cells, after screen printing, the cells need to be sintered at high temperatures, and the sintering temperature is one of the important factors affecting the cell conversion efficiency. By monitoring the changes in the sintering furnace temperature, fluctuations in temperature can be avoided that cause a decrease in the conversion efficiency of the solar cells.
[0003] The current common method for measuring the temperature profile of a sintering furnace involves placing the measuring instrument directly in an insulation box, which is then placed on the mesh belt or ceramic roller of the sintering furnace. The thermocouple probe is then extended from the insulation box to the surface of the solar cell placed directly on the mesh belt or ceramic roller. However, during the process of the mesh belt or ceramic roller carrying the insulation box, thermocouple probe, and solar cell into the sintering furnace, the mesh belt or ceramic roller is constantly in motion. This results in the placement of the insulation box, thermocouple probe, and solar cell being unreliable, causing the contact point between the thermocouple and the solar cell to be out of place. Consequently, the consistency of repeated measurements and the accuracy of temperature measurements cannot be guaranteed.
[0004] Therefore, there is an urgent need for solar cell temperature measurement devices to solve the above problems. Utility Model Content
[0005] The purpose of this utility model is to provide a solar cell temperature measuring device to solve the problems in related technologies where the mesh belt or ceramic roller is always in operation, and the placement of the heat insulation box, thermocouple probe, and solar cell is not guaranteed, resulting in inconsistent and inaccurate repeated measurements; the mesh belt or ceramic roller itself vibrates during operation, which can easily cause the thermocouple to detach from the solar cell, leading to measurement failure.
[0006] This utility model provides a solar cell temperature measuring device, which includes:
[0007] A first carrier plate and a first fixing component, wherein the first carrier plate is used to support the battery cell and the first fixing component is used to fix the battery cell to the first carrier plate, and the first carrier plate and the first fixing component are high temperature resistant components;
[0008] The second carrier plate and the second fixing component are used to support the heat insulation box and fix the heat insulation box to the second carrier plate. The second carrier plate and the second fixing component are high temperature resistant components, and the first carrier plate and the second carrier plate are fixedly connected.
[0009] As a preferred technical solution for the solar cell temperature measuring device, the first fixing component includes at least two first fixing members, which are spaced apart and used to fix the circumferential edge of the solar cell.
[0010] And / or, the second fixing component includes at least two second fixing members, which are spaced apart and used to fix the circumferential edge of the heat insulation box.
[0011] As a preferred technical solution for the solar cell temperature measuring device, the first carrier plate is provided with at least two first guide blind holes that correspond one-to-one with the first fixing member;
[0012] The first fixing member includes a first pressure plate, a first guide post, and a first elastic member. One end of the first guide post is inserted into the corresponding first guide blind hole, and the other end of the first guide post is fixedly connected to the first pressure plate. The first pressure plate is located on the side of the battery cell away from the first carrier plate and abuts against the battery cell. The first elastic member ensures that the first guide post always has a tendency to extend into the first guide blind hole.
[0013] As a preferred technical solution for the solar cell temperature measuring device, the second carrier plate is provided with at least two second guide blind holes that correspond one-to-one with the second fixing member;
[0014] The second fixing member includes a second pressure plate, a second guide post, and a second elastic member. One end of the second guide post is inserted into the corresponding second guide blind hole, and the other end of the second guide post is fixedly connected to the second pressure plate. The second pressure plate is located on the side of the heat insulation box away from the second carrier plate and abuts against the heat insulation box. The second elastic member ensures that the second guide post always has a tendency to extend into the second guide blind hole.
[0015] As a preferred technical solution for the solar cell temperature measuring device, a first sink is provided on the first carrier plate, and the first sink is used to accommodate the solar cell.
[0016] The second carrier plate is provided with a second recess, which is used to accommodate the heat insulation box.
[0017] As a preferred technical solution for the solar cell temperature measuring device, a limiting ring is also included, which is used to fix the thermocouple and the first carrier plate relative to each other.
[0018] As a preferred technical solution for the solar cell temperature measuring device, the first carrier plate is provided with two insertion holes;
[0019] The limiting ring is a U-shaped ring, with its two free ends inserted into the two insertion holes, and the thermocouple located in the U-shaped groove of the limiting ring.
[0020] As a preferred technical solution for a solar cell temperature measuring device, the first carrier plate includes a first plate body and a heat insulation layer, the heat insulation layer is laid on the first plate body, and the solar cell is located on the heat insulation layer.
[0021] As a preferred technical solution for a solar cell temperature measuring device, the area of the first carrier plate opposite to the solar cell is provided with a hollowed-out portion.
[0022] As a preferred technical solution for solar cell temperature measuring devices, the first carrier plate and the second carrier plate are integrally formed parts.
[0023] The beneficial effects of this utility model are as follows:
[0024] This invention provides a solar cell temperature measuring device, which includes a first carrier plate, a first fixing component, a second carrier plate, and a second fixing component. The first carrier plate carries the solar cells, and the first fixing component fixes the solar cells to the first carrier plate. Both the first carrier plate and the first fixing component are high-temperature resistant components. The second carrier plate carries a heat insulation box, and the second fixing component fixes the heat insulation box to the second carrier plate. Both the second carrier plate and the second fixing component are high-temperature resistant components, and the first and second carrier plates are fixedly connected. When this solar cell temperature measuring device is placed on a conveyor belt or ceramic roller, the first and second carrier plates are fixedly connected. Therefore, the conveyor belt or ceramic roller carries the solar cells, heat insulation box, and thermocouples on the first and second carrier plates into the sintering furnace. Since the heat insulation box and solar cells are pre-set on the first and second carrier plates, their relative positions can be precisely controlled, thereby improving the consistency and accuracy of repeated tests. Furthermore, since the first fixing component fixes the battery cell to the first carrier plate and the second fixing component fixes the heat insulation box to the second carrier plate, the vibration of the mesh belt or ceramic roller during its operation will not cause the battery cell to move relative to the first carrier plate or the heat insulation box to move relative to the second carrier plate, thereby preventing the thermocouple from detaching from the battery cell. Attached Figure Description
[0025] Figure 1 This is a top view of the solar cell temperature measuring device (mounted on a ceramic roller) in an embodiment of this utility model;
[0026] Figure 2 This is a top view of the solar cell temperature measuring device (set on the mesh belt) in an embodiment of this utility model;
[0027] Figure 3 This is a front view of the solar cell temperature measuring device (including the solar cell, thermocouple, and insulation box) in an embodiment of this utility model.
[0028] Figure 4 for Figure 3 A magnified view of a section at point A in the middle;
[0029] Figure 5 for Figure 3 A magnified view of a section at point B in the middle;
[0030] Figure 6 This is a front view of the solar cell temperature measuring device in an embodiment of the present invention (excluding the solar cells, thermocouples, and insulation box).
[0031] In the picture:
[0032] 100. Mesh belt; 200. Ceramic roller; 300. Battery cell; 400. Heat insulation box; 500. Thermocouple;
[0033] 11. First carrier plate; 111. First guide blind hole; 113. First recess; 114. First plate body; 115. Heat insulation layer; 12. First fastener; 121. First pressure plate; 122. First guide post; 123. First elastic element; 13. Limiting ring;
[0034] 21. Second carrier plate; 211. Second guide blind hole; 212. Second recessed groove; 22. Second fastener; 221. Second pressure plate; 222. Second guide post; 223. Second elastic element. Detailed Implementation
[0035] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0036] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The terms "first position" and "second position" refer to two different positions. Moreover, "above," "on top of," and "over" the first feature in relation to the second feature includes the first feature directly above and diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "under," and "below" the first feature in relation to the second feature includes the first feature directly below and diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.
[0037] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0038] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.
[0039] like Figures 1-6 As shown, this embodiment provides a solar cell temperature measuring device, which includes a first carrier plate 11, a first fixing component, a second carrier plate 21, and a second fixing component. The first carrier plate 11 carries the solar cell 300, and the first fixing component fixes the solar cell 300 onto the first carrier plate 11. The first carrier plate 11 and the first fixing component are high-temperature resistant components. The second carrier plate 21 carries the heat insulation box 400, and the second fixing component fixes the heat insulation box 400 onto the second carrier plate 21. The second carrier plate 21 and the second fixing component are high-temperature resistant components, and the first carrier plate 11 and the second carrier plate 21 are fixedly connected. When the solar cell temperature measuring device is set on the mesh belt 100 or the ceramic roller 200, the first carrier plate 11 and the second carrier plate 21 are fixedly connected. Therefore, the mesh belt 100 or the ceramic roller 200 carries the solar cell, the heat insulation box 400, and the thermocouple 500 on the first carrier plate 11 and the second carrier plate 21 into the sintering furnace. Since the heat insulation box 400 and the battery cell 300 are both pre-set on the first carrier plate 11 and the second carrier plate 21, their relative positions can be precisely controlled, thereby improving the consistency and accuracy of repeated tests. Furthermore, since the first fixing component fixes the battery cell 300 to the first carrier plate 11 and the second fixing component fixes the heat insulation box 400 to the second carrier plate 21, the vibrations of the conveyor belt 100 or the ceramic roller 200 during operation will not cause the battery cell 300 to move relative to the first carrier plate 11 or the heat insulation box 400 to move relative to the second carrier plate 21, thus preventing the thermocouple 500 from detaching from the battery cell 300.
[0040] Optionally, the width of the first carrier plate 11 and the second carrier plate 21 is a, and the width of the mesh belt or ceramic roller of the sintering furnace is b, where -2cm ≤ ab ≤ 2cm. Specifically, the length of the first carrier plate 11 and the second carrier plate 21 is 45cm-50cm, and the thickness is 2cm-3cm.
[0041] Optionally, the first fixing component includes at least two first fixing members 12, which are spaced apart circumferentially around the battery cell 300 and used to fix the circumferential edge of the battery cell 300. In this embodiment, this arrangement can improve the stability of fixing the battery cell 300. Specifically, the battery cell 300 is rectangular or square; therefore, four first fixing members 12 are provided, and the four first fixing members 12 respectively fix the four corners of the battery cell 300.
[0042] Optionally, the first carrier plate 11 is provided with at least two first guide blind holes 111 corresponding one-to-one with the first fixing member 12; the first fixing member 12 includes a first pressure plate 121, a first guide post 122 and a first elastic member 123. One end of the first guide post 122 is inserted into the corresponding first guide blind hole 111, and the other end of the first guide post 122 is fixedly connected to the first pressure plate 121. The first pressure plate 121 is located on the side of the battery cell 300 away from the first carrier plate 11 and abuts against the battery cell 300. The first elastic member 123 is disposed in the first guide blind hole 111. One end of the first elastic member 123 is fixedly connected to the bottom wall of the first guide blind hole 111, and the other end of the first elastic member 123 is fixedly connected to the first guide post 122. The first elastic member 123 makes the first guide post 122 always have a tendency to extend into the first guide blind hole 111. In this embodiment, the first guide post 122 slides within the first guide blind hole 111, thereby adjusting the distance between the first pressure plate 121 and the first carrier plate 11. Since the first elastic member 123 makes the first guide post 122 always have a tendency to extend into the first guide blind hole 111, the first elastic member 123 presses the first pressure plate 121 onto the battery cell 300, thereby fixing the battery cell 300 relative to the first carrier plate 11.
[0043] Optionally, before placing the battery cell 300 on the first carrier plate 11, at least two of the first guide posts 122 of the first fixing members 12 need to be rotated so that the first pressure plate 121 is not opposite to the battery cell placement area on the first carrier plate 11 along the axial direction of the first guide post 122. This ensures that when the battery cell 300 is placed in the battery cell placement area, the first pressure plate 121 will not interfere with the battery cell 300. After the battery cell 300 is placed in the battery cell placement area, the first guide post 122 is rotated again so that the first pressure plate 121 is opposite to the battery cell 300 in the battery cell placement area along the axial direction of the first guide post 122. The first elastic member 123 can then make the first pressure plate 121 press the battery cell 300 tightly.
[0044] Optionally, the second fixing component includes at least two second fixing members 22, which are spaced apart circumferentially around the insulation box 400 and used to fix the circumferential edge of the insulation box 400. In this embodiment, this arrangement can improve the stability of fixing the insulation box 400. Specifically, the insulation box 400 is rectangular; therefore, four first fixing members 12 are provided, and the four first fixing members 12 respectively fix the four corners of the insulation box 400.
[0045] Optionally, the second carrier plate 21 is provided with at least two second guide blind holes 211 corresponding one-to-one with the second fixing member 22; the second fixing member 22 includes a second pressure plate 221, a second guide post 222 and a second elastic member 223. One end of the second guide post 222 is inserted into the corresponding second guide blind hole 211, and the other end of the second guide post 222 is fixedly connected to the second pressure plate 221. The second pressure plate 221 is located on the side of the heat insulation box 400 away from the second carrier plate 21 and abuts against the heat insulation box 400. The second elastic member 223 is disposed in the second guide blind hole 211. One end of the second elastic member 223 is fixedly connected to the bottom wall of the second guide blind hole 211, and the other end of the second elastic member 223 is fixedly connected to the second guide post 222. The second elastic member 223 makes the second guide post 222 always have a tendency to extend into the second guide blind hole 211. In this embodiment, the second guide post 222 slides within the second guide blind hole 211, thereby adjusting the distance between the second pressure plate 221 and the second carrier plate 21. Furthermore, since the second elastic member 223 ensures that the second guide post 222 always has a tendency to extend into the second guide blind hole 211, the second elastic member 223 presses the second pressure plate 221 onto the heat insulation box 400, thereby fixing the heat insulation box 400 relative to the second carrier plate 21.
[0046] Optionally, before the insulation box 400 is placed on the second carrier plate 21, the second guide posts 222 of at least two second fixing members 22 need to be rotated so that the second pressure plate 221 is not opposite to the insulation box placement area on the second carrier plate 21 along the axial direction of the second guide posts 222. This prevents the second pressure plate 221 from interfering with the insulation box 400 when it is placed in the insulation box placement area. Then, the second guide posts 222 are rotated again so that the second pressure plate 221 is opposite to the insulation box 400 in the insulation box placement area along the axial direction of the second guide posts 222. The second elastic member 223 can then press the insulation box 400 tightly with the second pressure plate 221.
[0047] Optionally, the first carrier plate 11 is provided with a first recess 113 for accommodating the battery cell 300; the second carrier plate 21 is provided with a second recess 212 for accommodating the heat insulation box 400. In this embodiment, the sidewall of the first recess 113 can restrict the sliding of the battery cell 300 on the first carrier plate 11, and the first fixing component restricts the battery cell 300 within the first recess 113. The sidewall of the second recess 212 can restrict the sliding of the heat insulation box 400 on the second carrier plate 21, and the second fixing component restricts the heat insulation box 400 within the second recess 212.
[0048] One end of the thermocouple 500 is connected to a measuring instrument in the insulation box 400, and the other end of the thermocouple 500 is directly placed on the solar cell 300 to measure the temperature of the solar cell 300. When the conveyor belt 100 or the ceramic roller 200 vibrates, it can easily cause the thermocouple 500 to shake, resulting in the other end of the thermocouple 500 shaking relative to the solar cell 300, causing inaccurate temperature measurements. Optionally, the solar cell temperature measuring device also includes a limiting ring 13, which is used to fix the thermocouple 500 to the first carrier plate 11. In this embodiment, this setting, which fixes the thermocouple 500 to the first carrier plate 11, can improve the accuracy of temperature measurement.
[0049] Optionally, the limiting ring 13 is a U-shaped ring, and the first carrier plate 11 is provided with two insertion holes. The two free ends of the limiting ring 13 are inserted into the two insertion holes, and the thermocouple 500 is located in the U-shaped groove of the limiting ring 13, thereby pressing the thermocouple 500 onto the first carrier plate 11.
[0050] Optionally, the two free ends of the limiting ring 13 are tapered, and the two insertion holes on the first carrier plate 11 are tapered, with the two free ends of the limiting ring 13 and the two insertion holes being interference-fitted.
[0051] Optionally, the first carrier plate 11 includes a first plate body 114 and a heat insulation layer 115, with the heat insulation layer 115 laid on the first plate body 114 and the battery cell 300 located on the heat insulation layer 115. In this embodiment, the heat insulation layer 115 can insulate the heat of the first plate body 114, thereby preventing the heat on the first plate body 114 from being transferred to the battery cell 300, and improving the accuracy of temperature measurement of the battery cell 300.
[0052] Optionally, the area of the first carrier plate 11 opposite to the battery cell 300 is provided with a hollow portion. In this embodiment, the hollow portion can reduce the contact area between the first carrier plate 11 and the battery cell 300, thereby reducing the heat transferred from the first carrier plate 11 to the battery cell 300 and improving the accuracy of temperature measurement of the battery cell 300. Specifically, the hollow portion is a rectangular hole, and multiple hollow portions are provided at intervals.
[0053] Optionally, the first carrier plate 11 and the second carrier plate 21 are integrally molded parts. In this embodiment, this arrangement can improve the connection strength between the first carrier plate 11 and the second carrier plate 21 and reduce production costs. In other embodiments, the first carrier plate 11 and the second carrier plate 21 are detachably connected.
[0054] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.
Claims
1. A solar cell temperature measuring device, characterized by, The application relates to a battery piece fixing device, which comprises the following parts: a first carrier plate (11) for carrying a battery piece (300) and a first fixing assembly for fixing the battery piece (300) on the first carrier plate (11); a second carrier plate (21) for carrying a heat insulation box (400) and a second fixing assembly for fixing the heat insulation box (400) on the second carrier plate (21), and the first carrier plate (11) and the second carrier plate (21) are fixedly connected.
2. The solar cell temperature measuring device according to claim 1, wherein The first fixing assembly comprises at least two first fixing members (12) which are arranged at intervals and used for fixing the circumferential edge of the battery piece (300); The second fixing assembly comprises at least two second fixing members (22) which are arranged at intervals and used for fixing the circumferential edge of the heat insulation box (400).
3. The solar cell temperature measuring device according to claim 2, wherein The first carrier plate (11) is provided with at least two first guide blind holes (111) corresponding to the first fixing members (12); The first fixing member (12) comprises a first pressing plate (121), a first guide column (122) and a first elastic member (123), one end of the first guide column (122) is inserted into the corresponding first guide blind hole (111), the other end of the first guide column (122) is fixedly connected with the first pressing plate (121), the first pressing plate (121) is located on the side of the battery piece (300) away from the first carrier plate (11) and abuts against the battery piece (300), and the first elastic member (123) makes the first guide column (122) always have a movement tendency of extending into the first guide blind hole (111).
4. The solar cell temperature measuring device according to claim 2, wherein The second carrier plate (21) is provided with at least two second guide blind holes (211) corresponding to the second fixing members (22) one by one; The second fixing member (22) comprises a second pressing plate (221), a second guide column (222) and a second elastic member (223), one end of the second guide column (222) is inserted into the corresponding second guide blind hole (211), the other end of the second guide column (222) is fixedly connected with the second pressing plate (221), the second pressing plate (221) is located on the side of the heat insulation box (400) away from the second carrier plate (21) and abuts against the heat insulation box (400), and the second elastic member (223) makes the second guide column (222) always have a movement tendency of extending into the second guide blind hole (211).
5. The solar cell temperature measuring device according to claim 1, wherein The first carrier plate (11) is provided with a first sinking groove (113) for accommodating the battery piece (300); The second carrier plate (21) is provided with a second sinking groove (212) for accommodating the heat insulation box (400).
6. The solar cell temperature measuring device according to claim 1, wherein A limiting ring (13) is further arranged, which is used for relatively fixing a thermocouple (500) and the first carrier plate (11).
7. The solar cell temperature measuring device according to claim 6, wherein The first carrier plate (11) is provided with two insertion holes. The limiting ring (13) is a U-shaped ring, two free ends of the limiting ring (13) are inserted into two insertion holes, and the thermocouple (500) is located in a U-shaped groove of the limiting ring (13).
8. The solar cell temperature measuring device according to claim 1, wherein The first carrier plate (11) comprises a first plate body (114) and a heat insulation layer (115), the heat insulation layer (115) is laid on the first plate body (114), and the battery piece (300) is located on the heat insulation layer (115).
9. The solar cell temperature measuring device according to claim 1, wherein The first carrier plate (11) is provided with a hollow part in a region opposite to the battery piece (300).
10. The solar cell temperature measuring device according to claim 1, wherein The first carrier plate (11) and the second carrier plate (21) are integrally formed.