Pressure detection device for battery

Abstract

The utility model discloses a pressure detection device for a battery, and the device comprises the components of two mounting supports which are respectively arranged at two sides of the thickness direction of the battery; the two detection units are arranged corresponding to the mounting bracket, and a pressure sensor extending towards the surface of the battery is formed on each detection unit; the two sides of the pressure conduction plate abut against the surface of the battery and the pressure sensor respectively; and the clamping device is arranged on the mounting bracket and is provided with a plurality of clamping parts, and the plurality of clamping parts can selectively move towards or away from the pressure conduction plate to abut against the edge of the pressure conduction plate so as to fix the pressure conduction plate. The pressure detection device provided by the utility model can carry out pressure test on two sides of the battery, the test precision is improved, and the test stability is improved through the clamping device.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery detection technical field especially is related to a pressure detection device for battery. BACKGROUND

[0002] In the related art, when the tool for detecting the expansion pressure of the battery detects the pressure of the battery, the detection device moves when the battery expands and deforms, which affects the detection accuracy. Therefore, how to optimize the structure of the detection device to ensure the test stability and accuracy of the detection device has become a problem to be solved in the field. SUMMARY

[0003] The utility model discloses at least one of the technical problems existing in the prior art. To this end, one purpose of the utility model is to provide a pressure detection device for battery. The pressure detection device provided by the utility model can test the pressure on both sides of the battery, improve the accuracy of the test, and improve the stability of the test through the clamping device.

[0004] The pressure detection device for battery according to the utility model comprises: a mounting bracket, which is configured as two and arranged on both sides of the thickness direction of the battery; a detection unit, which is configured as two corresponding to the mounting bracket, and a pressure sensor extending towards the surface of the battery is formed on each detection unit; a pressure conducting plate, which is in abutment with the surface of the battery and the pressure sensor on both sides; and a clamping device, which is arranged on the mounting bracket and has a plurality of clamping parts, and the plurality of clamping parts can be selectively moved towards or away from the pressure conducting plate to abut the edge of the pressure conducting plate to fix the pressure conducting plate.

[0005] The pressure detection device for battery according to the utility model detects the pressure on both sides of the battery by arranging detection units on two mounting brackets, which improves the detection accuracy, and clamps the pressure conducting plate by arranging a clamping device on the mounting bracket, which ensures the stability of the pressure detection.

[0006] According to some embodiments of the utility model, the detection unit comprises: a detection bracket connected with the mounting bracket, and a first mounting hole is formed on the detection bracket; a pressure adjusting device arranged in the first mounting hole, and the end of the pressure adjusting device is provided with the pressure sensor; and the pressure adjusting device can selectively adjust the pressure applied to the pressure sensor.

[0007] According to some embodiments of the utility model, the pressure adjusting device is threadedly connected with the first mounting hole.

[0008] According to some embodiments of the present application, the detection support is configured as a plurality of, and the pressure adjusting device and the pressure sensor are respectively arranged on each detection support.

[0009] According to some embodiments of the present application, two first extending parts extending along the length direction and arranged at intervals in the width direction are formed on the mounting support, and two second extending parts extending in the width direction and arranged at intervals in the length direction are arranged on the pressure conducting plate, and the second extending parts are adapted to be overlapped with the first extending parts and are selectively movable along the extending direction of the first extending parts.

[0010] According to some embodiments of the present application, the clamping device comprises: a first sliding block arranged on the first extending part and adapted to abut against both sides of the pressure conducting plate in the width direction; and a second sliding block arranged on the second extending part and adapted to abut against both sides of the pressure conducting plate in the length direction, and the first sliding block and the second sliding block are respectively configured as the clamping part.

[0011] According to some embodiments of the present application, a first overlapping groove is formed on the first sliding block and adapted to abut against both sides of the pressure conducting plate in the width direction, and a second overlapping groove is formed on the second sliding block and adapted to abut against both sides of the pressure conducting plate in the length direction.

[0012] According to some embodiments of the present application, the clamping device further comprises: a first adjusting part arranged on the detection support and in transmission connection with the first sliding block, and adapted to control the first sliding block to move towards or away from both sides of the pressure conducting plate in the width direction; and a second adjusting part arranged on the detection support and in transmission connection with the second sliding block, and adapted to control the second sliding block and the second extending part to move towards or away from the pressure conducting plate along the first extending part.

[0013] According to some embodiments of the present application, the first adjusting part and the second adjusting part are respectively rotatably connected with the detection support.

[0014] According to some embodiments of the present application, a sensor mounting groove is formed on the side of the pressure conducting plate away from the battery, and at least part of the pressure sensor is accommodated in the sensor mounting groove.

[0015] Additional aspects and advantages of the present application will be given in part in the following description, become apparent from the following description, or be understood through practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0016] The above and / or additional aspects and advantages of the present utility model will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the references to the following drawings of which:

[0017] Figure 1 is the overall structure diagram of the detection device according to some embodiments of the present utility model;

[0018] Figure 2 is the structural schematic diagram of the mounting bracket and detection unit of the detection device according to some embodiments of the present utility model;

[0019] Figure 3 is the exploded view of the detection device according to some embodiments of the present utility model;

[0020] Figure 4 is the structural diagram of the pressure regulating device of the detection device according to some embodiments of the present utility model;

[0021] Figure 5 is the cooperation schematic diagram of the mounting bracket and detection bracket of the detection device according to some embodiments of the present utility model;

[0022] Figure 6 is the structural schematic diagram of the first extension part and the second extension part according to some embodiments of the present utility model.

[0023] Reference signs:

[0024] Pressure detection device 1;

[0025] Mounting bracket 11, first extension part 111, second extension part 112;

[0026] Detection unit 12, detection bracket 121, pressure regulating device 122, pressure sensor 123, first mounting hole 124;

[0027] Pressure conduction plate 13, sensor mounting groove 131;

[0028] Clamping device 14;First adjusting part 151, second adjusting part 152;

[0029] First sliding block 161, first lap joint groove 1611, second sliding block 162, second lap joint groove 1621. DETAILED DESCRIPTION

[0030] The embodiments of the present utility model will be described in detail below, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the present utility model, and cannot be understood as limiting the present utility model.

[0031] In the related art, when the tool for detecting the swelling pressure of the battery detects the pressure of the battery, the detection device moves when the battery swells and deforms, affecting the detection accuracy. Therefore, how to optimize the structure of the detection device to ensure the test stability and test accuracy of the detection device has become a problem to be solved in the field.

[0032] Reference will be made below Figures 1-6 A pressure detection device for a battery according to an embodiment of the present application is described.

[0033] The pressure detection device 1 for a battery according to the present application comprises: a mounting bracket 11, the mounting bracket 11 is configured as two and is respectively arranged on both sides in the thickness direction of the battery; a detection unit 12, the detection unit 12 is configured as two corresponding to the mounting bracket 11, and a pressure sensor 123 extending towards the surface of the battery is respectively formed on each detection unit 12; a pressure conducting plate 13, the pressure conducting plate 13 is respectively abutted with the surface of the battery and the pressure sensor 123 on both sides; a clamping device 14, the clamping device 14 is arranged on the mounting bracket 11 and has a plurality of clamping portions, and the plurality of clamping portions can be selectively moved towards or away from the pressure conducting plate 13 to abut the edge of the pressure conducting plate 13 to fix the pressure conducting plate 13.

[0034] Specifically, the mounting bracket 11 is configured as two and is respectively arranged on both sides in the thickness direction of the battery (i.e. the front and back surfaces of the battery), and the mounting bracket 11 provides a stable mounting basis for the detection unit 12 and the pressure conducting plate 13, ensuring that the entire detection device can be firmly fixed on the battery. The detection unit 12 is arranged corresponding to the mounting bracket 11, and a pressure sensor 123 is arranged on each detection unit 12, which extends towards the surface of the battery for directly detecting the pressure change of the surface of the battery. By arranging the detection unit 12 on the mounting bracket 11, pressure detection is realized on both sides of the battery respectively, improving the test accuracy. The pressure conducting plate 13 is configured as a flat plate structure between the surface of the battery and the pressure sensor 123, and the pressure conducting plate 13 is tightly abutted with the surface of the battery and the pressure sensor 123 on both sides, ensuring that the pressure of the surface of the battery can be accurately transmitted to the pressure sensor 123, so that the pressure sensor 123 can more accurately detect the pressure change of the surface of the battery. The clamping device 14 is arranged on the mounting bracket 11, and a plurality of clamping portions are arranged on the clamping device 14, which can be respectively moved towards or away from the pressure conducting plate 13 to tightly abut the edge of the pressure conducting plate 13. The clamping portions fix the pressure conducting plate 13, ensuring the stability and reliability of the entire detection device on the battery, and ensuring the stability of the pressure test. At the same time, the flexibility of the clamping portions also enables the device to adapt to batteries of different sizes and shapes.

[0035] The pressure detection device 1 for the battery according to the utility model improves the detection precision by setting the detection unit 12 on the two mounting brackets 11 to detect the pressure on both sides of the battery, and ensures the stability of the pressure detection by setting the clamping device 14 on the mounting bracket 11 to clamp the pressure transmission plate 13.

[0036] According to some embodiments of the utility model, the detection unit 12 comprises: a detection bracket 121 connected with the mounting bracket 11, a first mounting hole 124 is formed on the detection bracket 121; a pressure adjusting device 122 is arranged in the first mounting hole 124, a pressure sensor 123 is arranged at the end of the pressure adjusting device 122, and the pressure adjusting device 122 can selectively adjust the pressure applied to the pressure sensor 123.

[0037] Specifically, the detection bracket 121 is connected with the mounting bracket 11, providing a reliable mounting platform for the pressure adjusting device 122 and the pressure sensor 123. The first mounting hole 124 is designed on the detection bracket 121, and the pressure adjusting device 122 is connected with the first mounting hole 124 to ensure that it can be firmly installed on the detection bracket 121. The pressure sensor 123 is arranged at the end of the pressure adjusting device 122, and the pressure adjusting device 122 has an adjusting function, which can selectively adjust the pressure applied to the pressure sensor 123 according to needs. The pressure sensor 123 is electrically connected with the external testing instrument, and the inflation pressure is monitored in real time during the testing process to ensure the accuracy of the test results. Through the pressure adjusting device 122, we can more accurately control the pressure detected by the pressure sensor 123, thereby realizing more accurate measurement of the internal pressure of the battery.

[0038] According to some embodiments of the utility model, the pressure adjusting device 122 is threadedly connected with the first mounting hole 124.

[0039] Specifically, the pressure adjusting device 122 is threadedly connected with the first mounting hole 124, which is not only simple and reliable, but also easy to realize and adjust. The threaded connection can ensure the stability of the pressure adjusting device 122 in the mounting hole, preventing it from loosening or shifting during operation, thereby ensuring the accuracy and stability of the detection. By rotating the pressure adjusting device 122, we can easily adjust its position in the first mounting hole 124, thereby realizing accurate control of the pressure applied to the pressure sensor 123. This adjustment method is not only simple and fast, but also can ensure the accuracy of each adjustment. The threaded connection makes the installation and disassembly of the pressure adjusting device 122 very simple. When it is necessary to replace or repair the pressure adjusting device 122, it can be simply rotated and removed without the need for complex tools or equipment.

[0040] According to some embodiments of the present application, the detection support 121 is configured as multiple, and the pressure adjusting device 122 and the pressure sensor 123 are respectively arranged on each detection support 121.

[0041] Specifically, the detection support 121 can be configured as multiple, each detection support 121 is an independent unit, which can independently complete pressure detection, and the pressure adjusting device 122 and the pressure sensor 123 are respectively arranged on each detection support 121, so that each detection unit 12 can independently adjust the pressure and accurately measure, thereby providing more comprehensive and more accurate pressure distribution data. The design of multiple detection supports 121 enables us to more comprehensively cover the battery surface and capture more details of pressure changes, which helps to improve the detection accuracy and ensures that we can more accurately understand the pressure conditions inside the battery.

[0042] According to some embodiments of the present application, the mounting support 11 is formed with two first extensions 111 extending in the length direction and spaced apart in the width direction, and the pressure conducting plate 13 is provided with two second extensions 112 extending in the width direction and spaced apart in the length direction, and the second extension 112 is adapted to be lapped with the first extension 111 and can be selectively moved along the extension direction of the first extension 111.

[0043] Specifically, two first extensions 111 extending in the length direction and spaced apart in the width direction are formed on the mounting support 11, and two second extensions 112 extending in the width direction and spaced apart in the length direction are arranged on the pressure conducting plate 13, and the second extension 112 matches the first extension 111 of the mounting support 11, which can realize stable and flexible connection of the pressure conducting plate 13 and the mounting support 11. The second extension 112 is lapped on the first extension 111 and can be selectively moved along the extension direction of the first extension 111, which ensures that the pressure conducting plate 13 can be firmly mounted on the mounting support 11, and also provides adjustment space, so that the pressure conducting plate 13 can better adapt to the shape and pressure distribution of the battery surface and be matched with various pressure conducting plates 13. The installation and adjustment of the pressure conducting plate 13 become very simple and convenient, which reduces the installation difficulty of the pressure conducting plate 13 and improves the work efficiency.

[0044] According to some embodiments of the present application, the clamping device 14 comprises: a first sliding block 161, the first sliding block 161 is arranged on the first extension 111 and is adapted to abut against both sides of the pressure conducting plate 13 in the width direction; a second sliding block 162, the second sliding block 162 is arranged on the second extension 112 and can move along the extension direction of the first extension 111 with the second extension 112 and abut against both sides of the pressure conducting plate 13 in the length direction, and the first sliding block 161 and the second sliding block 162 are respectively configured as clamping portions.

[0045] Specifically, the first sliding block 161 is arranged on the first extension part 111 of the mounting bracket 11, and is adapted to be tightly abutted with both sides of the pressure conducting plate 13 in the width direction, thereby ensuring the stability of the pressure conducting plate 13 in the width direction and preventing the pressure conducting plate 13 from shaking during operation. The second sliding block 162 corresponds to the first sliding block 161, and is arranged on the second extension part 112 of the pressure conducting plate 13. The second sliding block 162 can move along the extension direction of the first extension part 111 and is adapted to be tightly abutted with both sides of the pressure conducting plate 13 in the length direction, thereby enhancing the stability of the pressure conducting plate 13 in the length direction and enabling the clamping device 14 to flexibly adapt to pressure conducting plates 13 of different sizes and shapes. The first sliding block 161 and the second sliding block 162 are respectively configured as clamping parts, and tightly abut both sides of the pressure conducting plate 13, thereby achieving firm clamping of the pressure conducting plate 13 and improving the stability of the entire detection device, thereby ensuring the accuracy and reliability of detection.

[0046] According to some embodiments of the present application, the first sliding block 161 is formed with a first lap joint groove 1611 adapted to be abutted with the edges of both sides of the pressure conducting plate 13 in the width direction; and the second sliding block 162 is formed with a second lap joint groove 1621 adapted to be abutted with the edges of both sides of the pressure conducting plate 13 in the length direction.

[0047] Specifically, the first sliding block 161 is formed with a first lap joint groove 1611 adapted to be abutted with the edges of both sides of the pressure conducting plate 13 in the width direction, thereby improving the stability of the first sliding block 161 in clamping the pressure conducting plate 13; and the second sliding block 162 is formed with a second lap joint groove 1621 adapted to be tightly fitted with the edges of both sides of the pressure conducting plate 13 in the length direction, thereby ensuring the stability of the pressure conducting plate 13 in the length direction. Since the second sliding block 162 can move along the second extension part 112, the second lap joint groove 1621 can also flexibly adapt to pressure conducting plates 13 of different sizes and shapes.

[0048] According to some embodiments of the present application, the clamping device 14 further comprises: a first adjusting part 151 arranged on the detection bracket 121 and in transmission connection with the first sliding block 161, the first adjusting part 151 being adapted to control the first sliding block 161 to move towards or away from both sides of the pressure conducting plate 13 in the width direction; and a second adjusting part 152 arranged on the detection bracket 121 and in transmission connection with the second sliding block 162, the second adjusting part 152 being adapted to control the second sliding block 162 and the second extension part 112 to move towards or away from the pressure conducting plate 13 along the first extension part 111.

[0049] Specifically, the first adjusting part 151 is arranged on the detection bracket 121 and is in transmission connection with the first sliding block 161, so as to control the movement of the first sliding block 161 towards or away from both sides of the pressure conducting plate 13 in the width direction, and by adjusting the first adjusting part 151, the contact pressure and tightness between the first sliding block 161 and the pressure conducting plate 13 can be easily changed, so as to ensure the stability and accuracy of clamping. The second adjusting part 152 is arranged on the detection bracket 121 and is in transmission connection with the second sliding block 162, so as to control the movement of the second sliding block 162 along the first extending part 111, so as to control the movement of the second sliding block 162 and the second extending part 112 towards or away from the pressure conducting plate 13, so that the clamping device 14 can flexibly adapt to pressure conducting plates 13 of different sizes and shapes, ensure stable contact between the pressure conducting plate 13 and the surface of the battery, and improve the test stability and test precision.

[0050] According to some embodiments of the present application, the first adjusting part 151 and the second adjusting part 152 are respectively rotatably connected with the detection bracket 121.

[0051] Specifically, the first adjusting part 151 and the second adjusting part 152 are respectively rotatably connected with the detection bracket 121 and are respectively in transmission connection with the first sliding block 161 and the second sliding block 162, and by rotating the first adjusting part 151 and the second adjusting part 152, the control of the first sliding block 161 and the second sliding block 162 can be realized, and the operation convenience and installation convenience are improved.

[0052] According to some embodiments of the present application, the side of the pressure conducting plate 13 away from the battery is formed with a sensor mounting groove 131, and at least part of the pressure sensor 123 is accommodated in the sensor mounting groove 131.

[0053] Specifically, the side of the pressure conducting plate 13 away from the battery is provided with a sensor mounting groove 131, and at least part of the pressure sensor 123 can be accommodated in the sensor mounting groove 131, effectively preventing the sensor from shaking and moving during work, improving the installation stability of the pressure sensor 123, and reducing the influence of external factors on the sensor measurement, so as to ensure the accuracy and reliability of the measurement.

[0054] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0055] In the description of the utility model, "first feature" and "second feature" can include one or more features.

[0056] In the description of the utility model, "multiple" means two or more.

[0057] In the description of the utility model, "above" or "below" the first feature in the second feature can include that the first and second features are in direct contact, or can include that the first and second features are not in direct contact but are in contact through another feature between them.

[0058] In the description of the utility model, "above", "above" and "above" of the first feature in the second feature include that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature.

[0059] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the exemplary description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0060] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A pressure detecting device for a battery, characterized by comprising: The application relates to a battery pressure detection device. The device comprises: mounting brackets (11) configured as two and arranged on both sides of the thickness direction of the battery; detection units (12) configured as two and arranged correspondingly to the mounting brackets (11), each of the detection units (12) is formed with a pressure sensor (123) extending towards the surface of the battery; pressure conducting plates (13) arranged on both sides of the surface of the battery and the pressure sensor (123); 2. The pressure detection device for a battery according to claim 1, characterized by, clamping devices (14) arranged on the mounting brackets (11) and provided with a plurality of clamping portions, the clamping portions can be selectively moved towards or away from the pressure conducting plates (13) to abut against the edges of the pressure conducting plates (13) to fix the pressure conducting plates (13). The detection unit (12) comprises: detection brackets (121) connected to the mounting brackets (11) and formed with first mounting holes (124); 3. The pressure detection device for a battery according to claim 2, characterized by, pressure adjusting devices (122) arranged in the first mounting holes (124), the pressure adjusting devices (122) are provided with the pressure sensors (123) at the ends, and the pressure adjusting devices (122) can selectively adjust the pressure applied to the pressure sensors (123).

4. The pressure detection device for a battery according to claim 3, characterized by The pressure adjusting devices (122) are screwed with the first mounting holes (124).

5. The pressure detecting device for a battery according to claim 2, wherein The detection brackets (121) are configured as a plurality of detection brackets (121), each of the detection brackets (121) is provided with the pressure adjusting devices (122) and the pressure sensors (123).

6. The pressure detection device for a battery according to claim 5, wherein The mounting brackets (11) are formed with two first extending portions (111) extending along the length direction and arranged at intervals in the width direction, the pressure conducting plates (13) are provided with two second extending portions (112) extending in the width direction and arranged at intervals in the length direction, and the second extending portions (112) are adapted to overlap the first extending portions (111) and can be selectively moved along the extending direction of the first extending portions (111). The clamping devices (14) comprise: first sliding blocks (161) arranged on the first extending portions (111) and adapted to abut against both sides of the width direction of the pressure conducting plates (13); 7. The pressure detection device for a battery according to claim 6, wherein second sliding blocks (162) arranged on the second extending portions (112) and adapted to move along the extending direction of the first extending portions (111) and abut against both sides of the length direction of the pressure conducting plates (13), and the first sliding blocks (161) and the second sliding blocks (162) are respectively configured as the clamping portions. The first sliding blocks (161) are formed with first overlapping grooves (1611) adapted to abut against the edges of both sides of the width direction of the pressure conducting plates (13). A second lap joint groove (1621) is formed on the second sliding block (162), and is adapted to abut against the two side edges of the pressure conducting plate (13) in the length direction.

8. The pressure detection device for a battery according to claim 6, wherein The clamping device (14) further comprises: A first adjusting part (151) is arranged on the detection support (121) and is in driving connection with the first sliding block (161), and is adapted to control the first sliding block (161) to move towards or away from the two sides of the pressure conducting plate (13) in the width direction; A second adjusting part (152) is arranged on the detection support (121) and is in driving connection with the second sliding block (162), and is adapted to control the second sliding block (162) and the second extending part (112) to move along the first extending part (111) towards or away from the pressure conducting plate (13).

9. The pressure detection device for a battery according to claim 8, wherein The first adjusting part (151) and the second adjusting part (152) are respectively rotatably connected with the detection support (121).

10. The pressure detection device for a battery according to claim 8, wherein A sensor mounting groove (131) is formed on the side of the pressure conducting plate (13) away from the battery, and at least part of the pressure sensor (123) is accommodated in the sensor mounting groove (131).

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