Detection module, device, battery module, energy storage device and vehicle

Abstract

The application belongs to the field of detection, and particularly relates to a detection module, a device, a battery module, an energy storage device and a vehicle. The detection module comprises a transmission assembly, a collector and a sensing assembly. The sensing assembly comprises a flexible film sensing sheet, the flexible film sensing sheet is provided with a sensing sheet docking port and at least two sensing areas electrically connected with the sensing sheet docking port, and the at least two sensing areas are arranged on two opposite sides of the sensing sheet docking port. The transmission assembly comprises a collector docking port and at least two docking ends electrically connected with the collector docking port, the collector is electrically connected with the collector docking port, and each docking end is electrically connected with a different sensing sheet docking port. In the detection module, each sensing assembly is connected with the same transmission assembly, and the signal collection of multiple sensing assemblies can be realized through only one collector, and multiple collectors do not need to be arranged.

Description

Technical Field

[0001] This application relates to the field of testing technology, and in particular to a testing module, equipment, battery module, energy storage device, and vehicle. Background Technology

[0002] Sensing components are widely used in industrial fields due to their advantages of being thin, light, and flexible. Taking thin-film pressure sensors as an example, common thin-film pressure sensors generate changes in electrical signals based on changes in the magnitude of the pressure they are subjected to. The data acquisition unit obtains the changed electrical signals and converts them into pressure information, thereby acquiring the pressure information of the thin-film pressure sensor.

[0003] Currently, common detection modules generally include sensing components and matching data acquisition devices. When multiple discontinuous objects need to be detected and analyzed simultaneously, multiple detection modules are usually required, which is inconvenient for users. For example, when detecting individual cells in a battery module, multiple separate detection modules are needed to detect each cell individually. This setup inevitably increases the installation space of the battery module and is also inconvenient for users. Summary of the Invention

[0004] This application provides a detection module, device, battery module, energy storage device, and vehicle to solve the technical problem that when detecting multiple discontinuous objects simultaneously, multiple detection modules are usually required, which is inconvenient for users to operate.

[0005] Therefore, according to one aspect of this application, a detection module is provided, the detection module including a transmission component, a collector, and a sensing component; the sensing component includes a flexible thin-film sensing sheet, the flexible thin-film sensing sheet having a sensing sheet docking port and at least two sensing areas electrically connected to the sensing sheet docking port, the at least two sensing areas being respectively disposed on two opposite sides of the sensing sheet docking port; the transmission component includes a collector docking port and at least two docking ends electrically connected to the collector docking port, the collector being electrically connected to the collector docking port, and each of the docking ends being electrically connected to a different sensing sheet docking port.

[0006] Optionally, the sensing chip docking port includes a plurality of sensing chip pins and transmission wires, each of the transmission wires being connected to the corresponding sensing area and the sensing chip pin to enable electrical conduction between the sensing chip pin and the sensing area; the docking end is directly connected to the sensing chip pin to enable electrical conduction between the docking end and the sensing area.

[0007] Optionally, the sensing pad docking port includes a plurality of sensing pad pins and transmission wires, each of the transmission wires being connected to the corresponding sensing area and the sensing pad pins to enable electrical conduction between the sensing pad pins and the sensing area; the sensing component includes a connector, the connector being fixed on the flexible thin film sensing pad, the connector having a plurality of connector pins, one end of the connector pins being connected to the sensing pad pins, and the other end being connected to the docking end to achieve electrical conduction between the docking end and the sensing area.

[0008] Optionally, the connector is fixedly connected to the flexible thin-film sensing sheet, and the connector is detachably connected to the mating end.

[0009] Optionally, the transmission component includes a signal transmission device and a substrate, the collector docking port is disposed on the substrate, the docking end is disposed on the signal transmission device, and the signal transmission device is connected to the substrate to make the collector docking port and the docking end electrically connected.

[0010] Optionally, the signal transmission device is a flexible, bendable electrical connector.

[0011] Optionally, the transmission component includes at least two signal transmission devices, each of which is electrically connected to the same substrate, and one or more of the mating terminals are provided on the signal transmission devices.

[0012] Optionally, the transmission component includes a signal transmission device electrically connected to the substrate, and the signal transmission device is provided with a plurality of the mating terminals.

[0013] Optionally, the sensing area disposed on the flexible thin-film sensing sheet includes a single-point sensing area.

[0014] Optionally, the sensing area disposed on the flexible thin-film sensing sheet includes a surface sensing area.

[0015] Optionally, the sensing area is a pressure sensing area; or, the sensing area is a temperature sensing area; or, the sensing area is a combination of a temperature sensing area and a pressure sensing area.

[0016] According to another aspect of this application, a detection device is provided, the detection device including an electronic device with display function and the above-described detection module, the data collector being communicatively connected to the electronic device, the electronic device being used to display the detection results of the detection module.

[0017] According to another aspect of this application, a battery module is provided, the battery module including at least one battery cell and the above-described detection module, the battery cell including a plurality of cells, the detection module being configured to detect at least pressure information, the detection module being used to detect at least the expansion force of the cells.

[0018] Optionally, the battery cells in the battery unit are arranged in an array, each cell having two opposing surfaces along the array direction and a side surface adjacent to the two opposing surfaces, and at least one flexible thin-film sensing sheet is fixed on one of the cells; when the flexible thin-film sensing sheet is fixed on the cell, the sensing areas on the two opposing sides of the sensing sheet docking port are respectively arranged corresponding to the two opposing surfaces of the same cell so that the sensing sheet docking port is positioned on the side surface of the cell; wherein, the sensing area of ​​the flexible thin-film sensing sheet includes at least a pressure sensing area.

[0019] Optionally, the sensing component corresponds to the position of only one of the battery cells, and each of the sensing components in the same battery cell is connected to a signal transmission device.

[0020] Optionally, when the sensing component is provided with the connector, after the detection module is installed on the battery cell, the connector is fixedly connected to the flexible thin film sensing sheet, and the connector is fixedly connected to the mating end.

[0021] Optionally, in the battery cell, at least one of the sensing components is provided between any three adjacent cells, so that a sensing area is provided between any two cells.

[0022] Optionally, the battery module is provided with a plurality of battery cells and a plurality of detection modules, and the plurality of detection modules are respectively configured to detect the expansion force information of the cells in the corresponding battery cells.

[0023] Optionally, the battery module is provided with a plurality of battery cells and a detection module. The detection module includes a plurality of sensing components and a transmission component. The plurality of sensing components are respectively positioned on each of the battery cells and are all electrically connected to the transmission component.

[0024] Optionally, the transmission component includes a plurality of signal transmission devices and a substrate, each of the signal transmission devices being electrically connected to the same substrate and respectively disposed for different battery cells, and the plurality of sensing components being respectively positioned on the battery cells disposed of the signal transmission devices and electrically connected to the corresponding signal transmission devices.

[0025] Optionally, one of the sensing components corresponds to the position of only one of the battery cells, and each of the sensing components in the same battery cell is electrically connected to the same signal transmission device.

[0026] According to another aspect of this application, an energy storage device is provided, the energy storage device including a rechargeable battery pack and a main control system, the rechargeable battery pack including at least one of the above-described battery modules, and the main control system being communicatively connected to the battery modules to at least acquire detection information from the detection modules.

[0027] According to another aspect of this application, a vehicle is provided, the vehicle including a control module, a drive unit and the aforementioned battery module providing kinetic energy to the drive unit, wherein the detection module in the battery module is communicatively connected to the control module, and the detection module provides the control module with detection information for detecting the battery module.

[0028] The beneficial effects of the detection module provided in this application are as follows: Compared with the prior art, in the detection module of this application, each sensing component is connected to the same transmission component, and the signals of multiple sensing components can be acquired by only one acquisition device, eliminating the need for multiple acquisition devices. Furthermore, when multiple objects need to be detected, only one transmission component needs to be fixed to initially locate the position of each sensing component, making installation and use simpler and more convenient. In addition, it is understood that since the detection module in this embodiment only needs one acquisition device to acquire signals of multiple sensing components, eliminating the need for multiple acquisition devices, the number of acquisition devices is reduced, thus lowering the cost of the detection module. It is also understood that the flexible thin-film sensing sheet has sensing areas on both opposite sides of the sensing sheet docking port. By bending the flexible thin-film sensing sheet, the relative positions of the sensing areas on both opposite sides of the sensing sheet docking port can be adjusted to adapt to the detection positions of the same object or different surfaces of different objects. In other words, when detecting two adjacent or close surfaces of the same or different objects, only one flexible thin-film sensing sheet is needed. By adjusting the position of the sensing areas on both sides of the docking port, the two surfaces to be detected can be equipped with corresponding sensing areas. This eliminates the need for multiple flexible thin-film sensing sheets, further reducing the number of flexible thin-film sensing sheets required.

[0029] The testing equipment, battery module, energy storage device, and vehicle, having adopted the testing module described in this application, also possess the aforementioned advantages. Attached Figure Description

[0030] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0031] in:

[0032] Figure 1 This is a schematic diagram of the overall structure of a detection module shown in one embodiment of this application. Figure 1 ;

[0033] Figure 2 This is a schematic diagram of the overall structure of a detection module shown in one embodiment of this application. Figure 2 ;

[0034] Figure 3 This is a schematic diagram illustrating the usage state of the detection module according to an embodiment of this application;

[0035] Figure 4 This is an exploded view of a detection module shown in one embodiment of this application;

[0036] Figure 5 This is a schematic diagram of the sensing area type of a flexible thin-film sensing sheet shown in one embodiment of this application. Figure 1 ;

[0037] Figure 6 This is a schematic diagram of the sensing area type of a flexible thin-film sensing sheet shown in one embodiment of this application. Figure 2 ;

[0038] Figure 7 This is a schematic diagram of the sensing area type of a flexible thin-film sensing sheet shown in one embodiment of this application. Figure 3 ;

[0039] Figure 8 yes Figure 2 Enlarged diagram of B in the middle;

[0040] Figure 9 yes Figure 1 Enlarged diagram of A in the middle;

[0041] Figure 10 This is a schematic diagram of the overall structure of a detection module shown in one embodiment of this application. Figure 3 ;

[0042] Figure 11 This is a schematic diagram of the overall structure of a detection module shown in one embodiment of this application. Figure 4 ;

[0043] Figure 12This is a schematic diagram of the structure of a testing device shown in one embodiment of this application;

[0044] Figure 13 This is a schematic diagram of the structure of a battery module shown in one embodiment of this application. Figure 1 ;

[0045] Figure 14 This is a schematic diagram illustrating the separation of the battery cell and the flexible thin-film sensing sheet according to an embodiment of this application;

[0046] Figure 15 This is a schematic diagram illustrating the installation of a flexible thin-film sensor sheet positioned on a battery cell according to an embodiment of this application;

[0047] Figure 16 This is a schematic diagram illustrating the separation between the detection module and the battery cell in one embodiment of this application;

[0048] Figure 17 This is a schematic diagram of the installation between the detection module and the battery cell shown in one embodiment of this application. Figure 1 ;

[0049] Figure 18 This is a schematic diagram of the installation between the detection module and the battery cell shown in one embodiment of this application. Figure 2 ;

[0050] Figure 19 This is a schematic diagram of the structure of a battery module shown in one embodiment of this application. Figure 2 ;

[0051] Figure 20 This is a schematic diagram of the structure of a battery module shown in one embodiment of this application. Figure 3 ;

[0052] Figure 21 This is a schematic diagram of the structure of an energy storage device shown in one embodiment of this application;

[0053] Figure 22 This is a schematic diagram of the structure of a vehicle shown in one embodiment of this application.

[0054] Explanation of key component symbols:

[0055] 100. Testing module; 200. Testing equipment; 300. Battery module; 400. Energy storage device;

[0056] 500. Vehicles;

[0057] 110. Sensing component; 111. Flexible thin-film sensing sheet; 112. Sensing sheet docking port; 113. Sensing area; 114. Connector; 120. Transmission component; 121. Data acquisition device docking port; 122. Dating end; 123. Signal transmission device; 124. Substrate; 130. Data acquisition device; 210. Electronic device;

[0058] 310. Battery unit; 311. Battery cell; 410. Rechargeable battery pack; 420. Main control system; 510. Control module. Detailed Implementation

[0059] To facilitate understanding of this application, a more complete description will be provided below with reference to the accompanying drawings. Preferred embodiments of this application are shown in the drawings. However, this application can be implemented in many other different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a thorough and complete understanding of the disclosure of this application.

[0060] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0061] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and 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 application.

[0062] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0063] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the specification of this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0064] It should also be noted that in the embodiments of this application, the same reference numerals are used to represent the same component or part. For the same part in the embodiments of this application, the reference numerals may only be used to mark one part or component as an example. It should be understood that the reference numerals are also applicable to other identical parts or components.

[0065] As described in the background section, common detection modules typically include sensing components and associated data acquisition units. When it is necessary to perform pressure analysis on multiple discontinuous objects simultaneously, multiple detection modules are usually required, which is inconvenient for users.

[0066] To address the aforementioned problems, according to one aspect of this application, please refer to... Figures 1-5 This application provides a detection module 100, which includes a transmission component 120, a data acquisition unit 130, and a sensing component 110. The sensing component 110 includes a flexible thin-film sensing sheet 111, which has a sensing sheet docking port 112 and at least two sensing areas 113 electrically connected to the sensing sheet docking port 112. The at least two sensing areas 113 are located on opposite sides of the sensing sheet docking port 112. The transmission component 120 includes a data acquisition docking port 121 and at least two docking terminals 122 electrically connected to the data acquisition docking port 121. The data acquisition unit 130 is electrically connected to the data acquisition docking port 121, and each docking terminal 122 is electrically connected to a different sensing sheet docking port 112.

[0067] In one implementation, the detection module 100 is provided with at least two sensing components 110.

[0068] In this embodiment, each sensing component 110 in the detection module 100 is connected to the same transmission component 120. Only one data acquisition unit 130 is needed to acquire signals from multiple sensing components 110, eliminating the need for multiple data acquisition units 130. Furthermore, when multiple objects need to be detected, only one transmission component 120 needs to be fixed to initially locate the positions of each sensing component 110, making installation and use simpler and more convenient. Moreover, it is understood that since the detection module 100 in this embodiment only requires one data acquisition unit 130 to acquire signals from multiple sensing components 110, the number of data acquisition units 130 is reduced, thus lowering the cost of the detection module 100.

[0069] Understandably, the flexible thin-film sensing sheet 111 has sensing areas 113 on both opposite sides of its sensing sheet docking port 112. This allows the relative positions of the sensing areas 113 on both opposite sides of the sensing sheet docking port 112 to be adjusted by bending the flexible thin-film sensing sheet 111, thereby adapting to the detection positions of the same object or different surfaces of different objects (e.g., ...). Figure 3(As shown). In other words, when detecting two adjacent or close surfaces of the same or different objects, only one flexible thin-film sensing sheet 111 is needed. By adjusting the position of the sensing areas 113 on the two opposite sides of the docking port 120, the two surfaces to be detected can be provided with corresponding sensing areas 113. This eliminates the need for multiple flexible thin-film sensing sheets 111, further reducing the number of flexible thin-film sensing sheets 111.

[0070] This invention does not specifically limit the sensing type of the sensing area 113 on the flexible thin-film sensing sheet 111. The sensing type of the sensing area 113 can be set according to the physical or chemical information to be detected. As one implementation, the sensing area 113 can be any one or a combination of two of the pressure sensing area and the temperature sensing area. It is understood that when the sensing area 113 is a pressure sensing area, the flexible thin-film sensing sheet 111 is a thin-film pressure sensing sheet; when the sensing area 113 is a temperature sensing area, the flexible thin-film sensing sheet 111 is a thin-film temperature sensing sheet; when the sensing area 113 is a combination of a pressure sensing area and a temperature sensing area, the flexible thin-film sensing sheet 111 is a thin-film integrated temperature and pressure sensing sheet. Of course, the flexible thin-film sensing sheet 111 can also be a sensing sheet for detecting other information, which will not be exhaustively listed here.

[0071] Taking the flexible thin-film sensing pad 111 as an example of a thin-film pressure sensing pad, the detection principle of the detection module 100 is explained as follows: The flexible thin-film sensing pad 111 is configured to change its electrical signal based on the magnitude of the applied pressure. When the detection module 100 is working, the acquisition unit 130 sends an excitation signal to the transmission component 120. The transmission component 120 transmits the excitation signal to the sensing area 113 of the flexible thin-film sensing pad 111 through the sensing pad docking port 112. Then, the acquisition unit 130 acquires the electrical signal fed back after passing through the sensing area 113. It can be understood that the acquisition unit 130 can directly or indirectly obtain the pressure magnitude of the sensing area 113 through the feedback electrical signal. In this way, signal acquisition from different sensing areas 113 of multiple flexible thin-film sensing pads 111 can be achieved using only one acquisition unit 130, realizing pressure detection of multiple objects to be detected or pressure detection of different surfaces of a single object to be detected.

[0072] This invention does not impose specific limitations on the arrangement of the sensing areas 113 on the flexible thin-film sensing sheet 111. The arrangement of the sensing areas 113 can be set according to the actual detection requirements of the area to be detected. In one embodiment, all sensing areas 113 on the flexible thin-film sensing sheet 111 can be single-point sensing areas; in another embodiment, all sensing areas 113 on the flexible thin-film sensing sheet 111 can be surface sensing areas; and in yet another embodiment, some sensing areas 113 on the flexible thin-film sensing sheet 111 are single-point sensing areas, while others are surface sensing areas.

[0073] Please continue reading. Figure 5 In one implementation, the flexible thin-film sensing sheet 111 is provided with two sensing areas 113, both of which are surface sensing areas, and are respectively located on two opposite sides of the sensing sheet docking port 112. In this invention, the surface sensing area is a sensing area with a certain continuous area. The surface sensing area can be composed of multiple continuous single-point sensing areas, or it can be a complete full-surface sensing area. Taking the sensing area 113 as a pressure-type surface sensing area as an example, the detection result obtained by the pressure-type surface sensing area is the total pressure magnitude and surface pressure distribution of the corresponding detection surface. It can be understood that by using the surface sensing area, the detection result distribution and corresponding numerical magnitude of the object's corresponding surface can be obtained, which is more conducive to the user's analysis and research of the object, and also more conducive to the user's analysis and judgment of the changes on the object's surface during the detection process, thus having high practicality.

[0074] Please see Figure 6 In another implementation, the flexible thin-film sensing sheet 111 is provided with multiple sensing areas 113, each of which is a single-point sensing area, and the multiple sensing areas 113 are respectively located on two opposite sides of the sensing sheet docking port 112. In this invention, the single-point sensing area is an individual sensing area, and the single-point sensing areas are not continuously arranged. Taking the sensing area 113 as a pressure-type single-point sensing area as an example, the detection result obtained by the pressure-type single-point sensing area is the pressure magnitude at the corresponding detection point. It can be understood that when it is necessary to detect a specific position of an object, it is only necessary to set the sensing area 113 at the specific position of the object. In this embodiment, the sensing areas 113 are all single-point sensing areas. In this way, according to the position of the object to be detected, the corresponding sensing area 113 can be set, without setting too many sensing areas 113, further reducing the manufacturing cost of the flexible thin-film sensing sheet 111, and also reducing the overall acquisition time of the collector 130 in acquiring relevant detection information.

[0075] Please see Figure 7In another embodiment, the flexible thin-film sensing sheet 111 is provided with multiple sensing areas 113 of different types, some of which are single-point sensing areas and others are surface sensing areas. The two opposite sides of the sensing sheet docking port 112 can have both single-point sensing areas and surface sensing areas; alternatively, the two opposite sides of the sensing sheet docking port 112 can have a single-point sensing area on one side and a surface sensing area on the other side. The explanations regarding single-point sensing areas and surface sensing areas have already been described above and will not be repeated here.

[0076] The present invention does not impose specific restrictions on the connection method between the sensing chip docking port 112 and the docking end 122, as long as the docking end 122 can be electrically connected to the sensing area 113 through the sensing chip docking port 112.

[0077] Please combine Figure 2 and Figure 8 In one embodiment, the sensor chip docking port 112 includes a plurality of sensor chip pins and transmission wires. Each transmission wire is connected to the corresponding sensing area 113 and the sensor chip pin to make the sensor chip pin and the sensing area 113 electrically connected. The docking end 122 is directly connected to the sensor chip pin to make the docking end 122 and the sensing area 113 electrically connected.

[0078] Please combine Figure 1 and Figure 9 In another embodiment, the sensing component 110 further includes a connector 114, which is fixed to the flexible thin-film sensing sheet 111. The connector 114 has a plurality of connector pins, one end of which is connected to a corresponding sensing sheet pin, and the other end is connected to a mating end, thereby achieving electrical connection between the mating end 122 and the sensing area 113. It is understood that in this embodiment, since the flexible thin-film sensing sheet 111 and the mating end 122 are electrically connected through the connector 114, the connector 114 and the mating end 122 can be electrically connected through a fixed or detachable connection method, and the connector 114 and the flexible thin-film sensing sheet 111 can also be electrically connected through a fixed or detachable connection method.

[0079] In one implementation, connector 114 is fixedly connected to flexible thin-film sensing sheet 111, and connector 114 is detachably connected to mating end 122. It is understood that the fixed connection between connector 114 and flexible thin-film sensing sheet 111 ensures the stability of electrical conduction between them and prevents detachment during use. Furthermore, by pre-fixing connector 114 to flexible thin-film sensing sheet 111, the number of components is reduced, making installation and use easier for users and further reducing the risk of component loss. The connector 114 and the mating end 122 are connected in a detachable manner. When any flexible thin film sensing sheet 111 is damaged, the entire detection device 1 does not need to be replaced; only the corresponding sensing component 110 needs to be replaced, which further improves the practicality of the detection device 1. At the same time, when different types of sensing components 110 (different arrangement types of sensing areas 113 or different detection types) correspond to the same type of connector 114, different sensing components 110 can be replaced on the same mating end 122, which further improves the versatility of the detection module 100. Since the mating end 122 is set on the transmission component 120, the sensing component 110 and the transmission component 120 can be disassembled into separate units, which is more convenient for storage and transportation.

[0080] As a feasible implementation, when the connector 114 is fixedly connected to the flexible thin-film sensing sheet 111, the connector 114 can be fixed to the flexible thin-film sensing sheet 111 by adhesive bonding. The connector pins of the connector 114 are aligned with the corresponding sensing sheet pins and fixed by welding or bonding to achieve electrical conductivity. Furthermore, to improve the safety of the conductivity point, the connector pins and the corresponding sensing sheet pins can be encapsulated with glue for protection.

[0081] As a feasible implementation, when the connector 114 and the mating end 122 are detachably connected, the connector 114 is provided with a movable pressure plate. The movable pressure plate is positioned at the end of the connector pin away from the sensing element pin and can rotate relative to the connector pin. When the mating end 122 is electrically connected to the connector pin, the movable pressure plate is rotated to clamp the mating end 122 between the movable pressure plate and the connector pin, so that the mating end 122 and the connector pin maintain electrical continuity.

[0082] More specifically, the connector pins of connector 114 and the sensing pins of flexible thin-film sensing sheet 111 are both ribbon cable structures, and these pins include signal input pins and signal output pins. Connector 114 can be a flip-type FFC / FPC connector.

[0083] Of course, in other embodiments, the connector 114 and the mating end 122 can first adopt the above-mentioned detachable connection method, and then fix the connector pins and the mating end 122 by welding or glue injection, so as to keep the mating end 122 and the connector pins electrically connected.

[0084] Please continue reading. Figures 1 to 4 In one embodiment, the transmission component 120 further includes a signal transmission device 123 and a substrate 124. The collector docking port 121 is disposed on the substrate 124, and the docking end 122 is disposed on the signal transmission device 123. The signal transmission device 123 is connected to the substrate 124 to make the collector docking port 121 and the docking end 122 electrically connected.

[0085] In one specific embodiment, the signal transmission device 123 is a flexible, bendable electrical connector, allowing the relative position between the sensing component 110 and the substrate 124 to be directly adapted by bending the signal transmission device 123. It is understood that when the detection module 100 detects an object, the sensing component 110 and the substrate 124 may be on different surfaces or in different spaces. If the substrate 124 or the sensing component 110 is bent to adapt to the installation method of the detection module 100, it will have a significant impact on the sensing component 110 or the substrate 124. In this embodiment, the signal transmission device 123 is a flexible, bendable electrical connector; therefore, bending the signal transmission device 123 can adapt to different installation positions between the sensing component 110 and the substrate 124, further improving the practicality of the detection module 100.

[0086] As one possible implementation, the signal transmission device 123 includes a flexible and bendable film, and the docking end 122 includes a transmission wire for connecting the sensing component 110 and the collector docking port 121. The transmission wire of the docking end 122 is formed or disposed on the film.

[0087] In some more specific embodiments, the transmission wire of the docking end 122 is a ribbon cable structure, and the signal transmission device 123 can be an FPC (Flexible Printed Circuit Board) or an FFC (Flexible Flat Cable).

[0088] In some specific embodiments, the substrate 124 can be a PCB (Printed Circuit Board); or an FPC; or an FPC (Flexible Printed Circuit Board) with a reinforcing plate; or an FFC (Flexible Flat Cable).

[0089] The present invention does not impose a specific limitation on the number of signal transmission devices 123. The transmission component 120 may be provided with multiple signal transmission devices 123, all of which are electrically connected to the same substrate 124; the transmission component 120 may also be provided with only one signal transmission device 123.

[0090] The present invention does not impose a specific limit on the number of docking terminals 122 provided on the signal transmission device 123. The signal transmission device 123 may be provided with multiple docking terminals 122, or it may be provided with only one docking terminal 122.

[0091] Please see Figure 10 In one implementation, the transmission component 120 includes at least two signal transmission devices 123, each of which is electrically connected to the same substrate 124. One or more mating terminals 122 are provided on each signal transmission device 123. It is understood that when multiple surfaces in different spaces need to be detected, the sensing component 110 will also be located in different spaces to adapt to the corresponding surfaces to be measured. Since multiple signal transmission devices 123 are provided, they can be positioned at different locations on the substrate 124. By adjusting the mounting position of the signal transmission devices 123 on the substrate 124, the sensing component 110 can adapt to the corresponding surfaces to be measured.

[0092] Please see Figure 11 In another embodiment, the transmission component 120 includes a signal transmission device 123 electrically connected to the substrate 124, and a plurality of docking terminals 122 are provided on the signal transmission device 123. It is understood that when multiple parallel array surfaces need to be detected, the sensing components 110 are also arranged in an array. In this case, multiple docking terminals 122 can be provided on one signal transmission device 123 so that each sensing component 110 is connected to one signal transmission device 123, resulting in a simpler and more compact overall structure.

[0093] Understandably, by adjusting the number and type of signal transmission devices 123, different types of detection modules 100 can be obtained to adapt to different types of objects to be detected.

[0094] Furthermore, it is understood that the types of the sensing components 110 on the detection module 100 can be the same or different. That is, the types of flexible thin-film sensing sheets 111 of the sensing components 110 in the detection module 100 can be the same or different, as long as the excitation signal sent by the collector 130 can be transmitted to the corresponding flexible thin-film sensing sheet 111 and the collector 130 can acquire the electrical signal fed back after passing through the sensing area 113. For example, all sensing components 110 on the detection module 100 can be pressure sensing components, all sensing components 110 on the detection module 100 can be temperature sensing components, and all sensing components 110 on the detection module 100 can be a combination of pressure sensing components and temperature sensing components.

[0095] like Figure 12 As shown, according to another aspect of this application, an embodiment of this application also provides a detection device 200, which includes an electronic device 210 with display function and a detection module 100 from any of the above embodiments. The data collector 130 is communicatively connected to the electronic device 210, which is used to display the detection results of the detection module 100. The structure, function, and beneficial effects of the detection module 100 have been described above and will not be repeated here.

[0096] Specifically, taking the flexible thin-film sensing pad 111 as an example of a thin-film pressure sensing pad, the data acquisition unit 130 is communicatively connected to the electronic device 210 to send electrical parameter information to the electronic device 210. The electronic device 210 converts the electrical parameter information into pressure information and displays the pressure distribution data. By pre-positioning the thin-film pressure sensing pads at different locations, the pressure distribution data acquired by the electronic device 210 can be correlated with each thin-film pressure sensing pad.

[0097] Among them, the electronic device 210 can be a host computer, a computer, etc.; the electronic device 210 and the data collector 130 can be connected by wired communication or wireless communication.

[0098] Please see Figure 13 According to another aspect of this application, embodiments of this application also provide a battery module 300, which includes at least one battery cell 310 and a detection module 100 as described in any of the above embodiments. The battery cell 310 includes a plurality of battery cells 311. The detection module 100 is configured to detect at least pressure information and is used to detect at least the expansion force of the battery cells 311. The structure, function, and beneficial effects of the detection module 100 have been described in the above embodiments and will not be repeated here.

[0099] Please combine Figures 13 to 18In one implementation, the battery cells 311 in the battery cell 310 are arranged in an array, and each cell 311 has two opposing surfaces along the array direction (e.g., Figure 14 The surfaces indicated by c and d) and the side surfaces adjacent to the two opposing surfaces (such as Figure 14 At least one flexible thin-film sensing sheet 111 is fixed to a battery cell 311 (the surface indicated by e in the diagram). When the flexible thin-film sensing sheet 111 is fixed to the battery cell 311, the sensing areas 113 on both opposite sides of the sensing sheet mating port 112 are respectively disposed on the two opposite surfaces of the same battery cell 311 so that the sensing sheet mating port 112 is positioned on the side of the battery cell 311. The sensing area 113 of the flexible thin-film sensing sheet 111 includes at least a pressure sensing area.

[0100] In this invention, the flexible thin-film sensing sheet 111 is a flexible and bendable film. By bending the flexible thin-film sensing sheet 111, the sensing sheet docking port 112 and the sensing area 113 can be placed on different surfaces. When the sensing sheet docking port 112 is located on the side of the battery cell 311, the flexible thin-film sensing sheet 111 is bent so that the sensing areas 113 located on the two opposite sides of the sensing sheet docking port 112 are respectively located on the two opposite surfaces of the battery cell 311. In this structure, there is no need to bend the sensing area 113 or the sensing sheet docking port 112, avoiding the adverse effects of bending on the sensing area 113 or the sensing sheet docking port 112, further improving the service life of the flexible thin-film sensing sheet 111, and at the same time facilitating actual use by the user. Since the side of cell 311 is not obstructed by other cells 311, fixing the sensing plate docking port 112 to the side of cell 311 facilitates the docking between sensing component 110 and transmission component 120. This arrangement allows for the efficient integration of sensing component 110 and transmission component 120 into battery unit 310, resulting in a simpler and more compact overall structure without requiring additional space to accommodate detection module 100. In other words, the mounting and mating method between detection module 100 and battery unit 310 in battery module 300 allows battery module 300 to meet the requirements of cell 311 expansion force detection without requiring additional installation space.

[0101] Understandably, in this embodiment, when detecting the two opposing surfaces of the same battery cell 311, only one flexible thin-film sensing sheet 111 is needed. By adjusting the positions of the sensing areas 113 on the two opposing sides of the docking port 120, both opposing surfaces of the battery cell 311 can be provided with corresponding sensing areas 113. When the battery cells 311 are arranged in an array, since the two opposing surfaces of the battery cell 311 with sensing areas 113 are arranged along the array direction of the battery cells 311, between any three adjacent battery cells 311, only the flexible thin-film sensing sheet 111 needs to be provided on the battery cell 311 located in the middle position to ensure that a sensing area 113 is provided between any two battery cells 311. Understandably, the sensing area 113 provided between two battery cells 311 can obtain the expansion force between the two battery cells 311, thus eliminating the need to provide multiple flexible thin-film sensing sheets 111, further reducing the number of flexible thin-film sensing sheets 111.

[0102] Furthermore, since the detection module 100 is used to detect the cells 311 in the battery unit 310, a sensing area 113 can be set between any two cells 311 in the battery unit 310 to detect all cells 311 in the battery unit 310. Of course, the sensing area 113 can also be selectively set between any two cells 311 to detect some cells 311 in the battery unit 310. Regardless of the setting method, the sensing component 110 set in the same battery unit 310 can be connected to a substrate assembly 200 through a corresponding signal transmission device 123. In this way, only one collector 130 is needed to obtain the expansion force of cells 311 at different positions, eliminating the need for multiple collectors 130. This makes the overall structure of the battery module 300 simpler and more compact. At the same time, external devices only need to communicate with one collector 130 to obtain the detection information of the corresponding battery unit 310, further reducing the number of communications between external devices and the collector 130.

[0103] Understandably, in order to better detect the expansion force of the battery cell 311, the sensing area 113 for expansion force detection should be set to correspond to the easily expandable surface of the battery cell 311. In the battery module 300 provided in this embodiment, a plurality of battery cells 311 are arranged in an array, and the two opposite surfaces of the battery cell 311 are the easily expandable surfaces of the battery cell 311. Therefore, setting the sensing area 113 for expansion force detection to correspond to the two opposite surfaces of the battery cell 311 can better detect the expansion force of the battery cell 311.

[0104] Of course, in other embodiments, the detection module 100 can also be configured to detect at least pressure and temperature information. The detection module 100 is used to detect at least the expansion force and temperature of the battery cell 311. That is, the sensing area 113 in the detection module 100 includes a temperature sensing area for detecting temperature and a pressure sensing area for detecting pressure. These sensing areas 113 can be single-point sensing areas or area sensing areas. As one embodiment, the flexible thin-film sensing sheet 111 in the sensing component 110 is a thin-film pressure sensing sheet. The thin-film pressure sensing sheet is used to obtain the expansion force and / or expansion force distribution information of the battery cell 311. The collector 130 obtains this information or sends this information to an external device. As another embodiment, the flexible thin-film sensing sheet 111 in the sensing component 110 is a thin-film integrated temperature and pressure sensing sheet. The thin-film integrated temperature and pressure sensing sheet is used to obtain the expansion force information and surface temperature of the battery cell 311. The collector 130 obtains this information or sends this information to an external device.

[0105] In one implementation, when the sensing component 110 is equipped with a connector 114, after the detection module 100 is installed on the battery cell 310, the connector 114 is fixedly connected to the flexible thin-film sensing sheet 111 and the mating end 122. It is understood that bumps are inevitable during the movement or handling of the battery module 300, and these bumps will be transmitted to the detection module 100. In this embodiment, the connector 114 is fixedly connected to the flexible thin-film sensing sheet 111 and the mating end 122. This fixed connection ensures the stability of the electrical conduction between the flexible thin-film sensing sheet 111 and the mating end 122, preventing the flexible thin-film sensing sheet 111 and the connector 114 from separating during use, or the mating end 122 and the connector 114 from separating, thereby ensuring the stability of the expansion force detection of the battery cell 311. The fixed connection methods between the flexible thin-film sensing sheet 111 and the connector 114, and between the mating end 122 and the connector 114, have been described in the above embodiments and will not be repeated here.

[0106] Of course, in other embodiments, the sensing component 110 may not have a connector 114, and the flexible thin film sensing sheet 111 may be directly connected to the docking end 122.

[0107] The present invention does not specifically limit the number of sensing components 110 disposed in the battery cell 310. Multiple sensing components 110 can be disposed in the battery cell 310 so that multiple sensing components 110 correspond to different battery cells 311.

[0108] Please see Figure 16 and Figure 17As a preferred embodiment, in the battery cell 310, at least one sensing component 110 is provided between any three adjacent cells 311, so that a sensing area 113 is provided between any two cells 311. In this way, the expansion force of each cell 311 in the battery cell 310 can be obtained through each sensing area 113.

[0109] This invention does not specifically limit the number of battery cells 310 in the battery module 300 or the number of detection modules 100. In one embodiment, when multiple battery cells 310 are provided in the battery module 300, multiple detection modules 100 can be provided. These multiple detection modules 100 can be configured to correspond to different battery cells 310 to detect the expansion force information of the cells 311 in the corresponding battery cells 310. In another embodiment, when multiple battery cells 310 are provided in the battery module 300, only one detection module 100 can be provided to obtain the expansion force information of the cells 311 in different battery cells 310.

[0110] Please see Figure 19 In one implementation, the battery module 300 includes multiple battery cells 310 and multiple detection modules 100. Each detection module 100 corresponds to a different battery cell 310 to detect the expansion force information of the cell 311 within that battery cell 310. For example, when the battery module 300 includes six battery cells 310, three detection modules 100 can be used, each corresponding to one of the three battery cells 310 to detect the expansion force information of the cell 311 within that battery cell 310; alternatively, six detection modules 100 can be used, each corresponding to one of the six battery cells 310 to detect the expansion force information of the cell 311 within that battery cell 310.

[0111] Please see Figure 20 In another implementation, the battery module 300 is provided with a plurality of battery cells 310 and a detection module 100. The detection module 100 includes a plurality of sensing components 110 and a transmission component 120. The plurality of sensing components 110 are respectively positioned on each battery cell 310 and are all electrically connected to the transmission component 120. The expansion force information of each battery cell 310 is obtained through the detection module 100.

[0112] Specifically, the transmission component 120 includes a substrate 124 and multiple signal transmission devices 123. Each signal transmission device 123 is electrically connected to the same substrate 124 and is respectively configured for a different battery cell 310. Multiple sensing components 110 are respectively positioned on the battery cell 310 with the signal transmission device 123 and electrically connected to the corresponding signal transmission device 123. In this way, the expansion force information of the cell 311 in each battery cell 310 can be obtained by a single data acquisition device 130, further reducing the number of data acquisition devices 130. The overall structure is simpler and more compact, and no additional space is needed to accommodate the detection module 100.

[0113] In one implementation, to locate the detection status of the battery cell 311, each sensing component 110 should correspond to the position of only one battery cell 311, and each sensing component 110 in the same battery cell 310 is connected to a signal transmission device 123. It is understood that in this embodiment, since each sensing component 110 in the same battery cell 310 is connected to a signal transmission device 123, when installing the detection module 100, it is only necessary to determine the correspondence between each sensing component 110 and each battery cell 311 in the battery cell 310 to simultaneously locate the installation position of the signal transmission device 123 on the battery cell 310, making the overall installation method simpler and more convenient. At the same time, since each sensing component 110 in the same battery cell 310 is connected to a signal transmission device 123, there is no need to set up multiple signal transmission devices 123, making the overall structure of the battery module 300 more compact.

[0114] like Figure 21 As shown, according to another aspect of this application, embodiments of this application also provide an energy storage device 400, which includes a rechargeable battery pack 410 and a main control system 420. The rechargeable battery pack 410 includes at least one battery module 300 as described in any of the above embodiments. The main control system 420 is communicatively connected to the battery module 300 to at least acquire detection information from the detection module 100. The structure, function, and beneficial effects of the detection module 100 have been described in the above embodiments and will not be repeated here.

[0115] Understandably, in this invention, the detection information includes at least the expansion force information of the battery cell 311. The main control system 420 can monitor the health of the battery module 300 by acquiring the expansion force information of the battery cell 311. In this way, the user can adjust or replace the battery cells 311 in the rechargeable battery pack 410 according to the health of the battery module 300, further improving the practicality and safety of the energy storage device 400.

[0116] Furthermore, the main control system 420 can determine the operating status of the battery module 300 based on this information, and execute relevant functions accordingly. For example, the main control system 420 can perform safety checks on the battery module 300 using the detection information from the detection module 100; the main control system 420 can also perform charging and discharging control on the battery module 300 using the detection information from the detection module 100, etc.

[0117] In one implementation, the main control system 420 can be a BMS (Battery Management System) control system. The BMS control system is communicatively connected to the data acquisition unit 130 to obtain at least the expansion force information of the battery cell 311. The main control system 420 and the data acquisition unit 130 can communicate via wired or wireless means.

[0118] It is understandable that the number of rechargeable battery packs 410 in the energy storage device 400 can be adjusted according to actual needs, and the present invention does not impose specific limitations.

[0119] like Figure 22 As shown, according to another aspect of this application, an embodiment of this application also provides a vehicle 500, which includes a control module 510, a drive unit (not shown), and a battery module 300 from any of the above embodiments that provides kinetic energy to the drive unit. A detection module 100 in the battery module 300 is communicatively connected to the control module 510, and the detection module 100 provides the control module 510 with detection information for detecting the battery module 300. The structure, function, and beneficial effects of the battery module 300 have been described above and will not be repeated here.

[0120] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0121] The above embodiments are merely illustrative of several implementation methods of this application, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this application should be determined by the appended claims.

Claims

1. A detection module, characterized in that, The detection module includes a transmission component, a data acquisition unit, and a sensing component; The sensing component includes a flexible thin-film sensing sheet. The flexible thin-film sensing sheet has a sensing sheet docking port and two sensing areas electrically connected to the sensing sheet docking port. The two sensing areas are respectively disposed on two opposite sides of the sensing sheet docking port. When the flexible thin-film sensing sheet is fixed on the battery cell, the sensing areas on the two opposite sides of the sensing sheet docking port are respectively disposed on two opposite surfaces of the same battery cell so that the sensing sheet docking port is positioned on the side of the battery cell. The flexible thin-film sensing sheet is disposed on the battery cell located in the middle position among any three adjacent battery cells so that the sensing area is disposed between any two battery cells. The transmission component includes a collector docking port and at least two docking terminals electrically connected to the collector docking port. The collector is electrically connected to the collector docking port, and each docking terminal is electrically connected to a different sensor chip docking port. The sensor chip interface includes a plurality of sensor chip pins and transmission wires, and each of the transmission wires is connected to the corresponding sensing area and the sensor chip pins to make the sensor chip pins and the sensing area electrically connected; The sensing component includes a connector fixed on the flexible thin-film sensing sheet. The connector has a plurality of connector pins, one end of which is connected to the pins of the sensing sheet, and the other end is connected to the mating end to achieve electrical conduction between the mating end and the sensing area. The connector and the mating end are detachably connected.

2. The detection module according to claim 1, characterized in that, The sensor chip docking port includes a plurality of sensor chip pins and transmission wires. Each transmission wire is connected to the corresponding sensing area and the sensor chip pin to make the sensor chip pin and the sensing area electrically connected. The docking end is directly connected to the sensor chip pin to make the docking end and the sensing area electrically connected.

3. The detection module according to claim 1, characterized in that, The transmission component includes a signal transmission device and a substrate. The collector docking port is disposed on the substrate, and the docking end is disposed on the signal transmission device. The signal transmission device is connected to the substrate to make the collector docking port and the docking end electrically connected.

4. The detection module according to claim 3, characterized in that, The signal transmission device is a flexible, bendable electrical connector.

5. The detection module according to claim 3, characterized in that, The transmission component includes at least two signal transmission devices, each of which is electrically connected to the same substrate, and one or more of the docking terminals are provided on the signal transmission devices.

6. The detection module according to claim 3, characterized in that, The transmission component includes a signal transmission device electrically connected to the substrate, and the signal transmission device is provided with a plurality of docking terminals.

7. The detection module according to any one of claims 1-6, characterized in that, The sensing area provided on the flexible thin-film sensing sheet includes a single-point sensing area.

8. The detection module according to any one of claims 1-6, characterized in that, The sensing area provided on the flexible thin-film sensing sheet includes a surface sensing area.

9. The detection module according to any one of claims 1-6, characterized in that, The sensing area is a pressure sensing area; or, the sensing area is a temperature sensing area; or, the sensing area is a combination of a temperature sensing area and a pressure sensing area.

10. A testing device, characterized in that, The detection device includes an electronic device with a display function and a detection module as described in any one of claims 1-9. The data collector is communicatively connected to the electronic device, and the electronic device is used to display the detection results of the detection module.

11. A battery module, characterized in that, The battery module includes at least one battery cell and a detection module as described in any one of claims 1-9. The battery cell includes a plurality of cells, and the detection module is configured to detect at least pressure information. The detection module is used to detect at least the expansion force of the cells.

12. The battery module according to claim 11, characterized in that, The battery cell array is arranged in the battery cell, and the cell has two opposing surfaces along the array direction and a side surface adjacent to the two opposing surfaces. At least one flexible thin film sensing sheet is fixed on one of the cells. When the flexible thin-film sensing sheet is fixed on the battery cell, the sensing areas on both opposite sides of the sensing sheet docking port are respectively arranged to correspond to the two opposite surfaces of the same battery cell so that the sensing sheet docking port is positioned on the side of the battery cell. The sensing area of ​​the flexible thin-film sensing sheet includes at least a pressure sensing area.

13. The battery module according to claim 11, characterized in that, When the sensing component is equipped with the connector, after the detection module is installed on the battery cell, the connector is fixedly connected to the flexible thin film sensing sheet, and the connector is fixedly connected to the mating end.

14. The battery module according to claim 11, characterized in that, In the battery cell, at least one of the sensing components is provided between any three adjacent cells, so that a sensing area is provided between any two cells.

15. The battery module according to any one of claims 11-14, characterized in that, The battery module is provided with a plurality of battery cells and a plurality of detection modules. The plurality of detection modules are respectively configured to detect the expansion force information of the cells in the corresponding battery cells.

16. The battery module according to any one of claims 11-14, characterized in that, The battery module includes multiple battery cells and a detection module. The detection module includes multiple sensing components and a transmission component. The multiple sensing components are respectively positioned on each of the battery cells and are all electrically connected to the transmission component.

17. The battery module according to claim 16, characterized in that, The transmission component includes multiple signal transmission devices and a substrate. Each signal transmission device is electrically connected to the same substrate and is respectively disposed for different battery cells. Multiple sensing components are respectively positioned on the battery cells on which the signal transmission devices are disposed and are electrically connected to the corresponding signal transmission devices.

18. The battery module according to claim 17, characterized in that, Each of the aforementioned sensing components corresponds to the position of only one of the aforementioned battery cells, and each of the aforementioned sensing components in the same battery cell is electrically connected to the same aforementioned signal transmission device.

19. An energy storage device, characterized in that, The energy storage device includes a rechargeable battery pack and a main control system. The rechargeable battery pack includes at least one battery module as described in any one of claims 11-18. The main control system is communicatively connected to the battery module to at least acquire detection information from the detection module.

20. A vehicle, characterized in that, The vehicle includes a control module, a drive unit, and a battery module as described in any one of claims 11-18 that provides kinetic energy to the drive unit. The detection module in the battery module is communicatively connected to the control module, and the detection module provides the control module with detection information for detecting the battery module.

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