Intelligent storage battery sensor

Abstract

The utility model relates to an intelligent storage battery sensor which comprises a sensor shell and an upper cover, a cavity is formed in the sensor shell, a diverter is arranged in the cavity, a sunk screw is arranged on the diverter and used for fixing the diverter in the cavity, a circuit board is arranged in the cavity, and the upper cover is connected with the circuit board. The sensor shell is provided with a copper support, the copper support is provided with a bending hole, one end of the diverter penetrates through the bending hole and extends to the outside of the sensor shell, the contact part of the diverter and the copper support can be hidden in the sensor shell, and miniaturization of the overall size of the sensor is achieved. The requirements of modern automobiles for small and light parts are met, and optimization of layout and design of the automobiles is facilitated. The fixing mode between the sensor shell and the copper support and the fixing mode between the sensor shell and the diverter ensure the stability and reliability of the sensor in the working process.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of sensors, in particular to an intelligent storage battery sensor. BACKGROUND

[0002] With the rapid development of intelligent automobile technology, the demand for intelligent storage battery sensors in modern automobiles is increasing. These sensors not only need to monitor various parameters of the battery, such as voltage, current and temperature, but also need to have higher precision and stability to support the intelligent functions of the automobile, such as the battery management system, the energy recovery system and the start-stop system, etc.

[0003] However, with the increasing functions of the sensor, the number of electronic components on the circuit board also increases, which leads to the continuous increase in the size of the sensor, bringing challenges to the layout and design of the automobile. Especially under the current development trend of miniaturization and light weight of automobiles, how to realize the miniaturization of the sensor while maintaining its high performance has become a problem to be solved.

[0004] In view of the above problems, an intelligent storage battery sensor is designed. CONTENT OF THE INVENTION

[0005] The embodiments of the application provide an intelligent storage battery sensor to solve the problem that the functions of the sensor are continuously increasing, the number of electronic components on the circuit board also increases, and the size of the sensor continuously increases in the related art.

[0006] In a first aspect, an intelligent storage battery sensor is provided, comprising:

[0007] A sensor shell and an upper cover, the sensor shell has a cavity inside, a shunt is arranged inside the cavity, a countersunk screw is arranged on the shunt, the countersunk screw is used to fix the shunt in the cavity, a circuit board is arranged inside the cavity, a copper support is arranged on the sensor shell, a bending hole is formed in the copper support, one end of the shunt penetrates through the bending hole and extends to the outside of the sensor shell, and a rivet screw is arranged on one end of the shunt extending to the outside of the sensor shell.

[0008] In some embodiments, a pin is arranged inside the cavity, a plurality of insertion holes matched with the pin are formed in the circuit board, and the pin is used to position the circuit board.

[0009] In some embodiments, the copper support comprises a connecting portion and a bending portion connected with each other, the bending portion covers the bottom and one side of the sensor shell, and the bending hole is formed in the part of the bending portion arranged on one side of the sensor shell.

[0010] In some embodiments, the connecting part comprises a fixed block and two connecting pieces connected to each other, and a bolt is arranged between the two connecting pieces, one end of the bolt is threadedly connected with a nut.

[0011] In some embodiments, two burrs are oppositely arranged on the connecting piece, one end of the burr is bent towards the side close to the bolt and is used to prevent the bolt and the nut from falling off.

[0012] In some embodiments, the sensor shell, the shunt and the pin are integrally injection molded, and the shunt is a conductive metal.

[0013] In some embodiments, a convex groove is arranged on the sensor shell, a concave groove is arranged on the bottom of the upper cover and is matched with the convex groove, and the convex groove on the sensor shell is matched with the concave groove on the upper cover and is welded by laser.

[0014] The embodiments of the present application provide a kind of intelligent battery sensor, by hiding the contact part of shunt and copper support inside sensor shell, the sensor realizes the miniaturization of overall size.This meets the demand of modern automobile to miniaturization, light weight component, helps to optimize the layout and design of automobile.

[0015] The fixing mode between sensor shell and copper support and the fixing mode of shunt ensure the stability and reliability of sensor in working process.At the same time, the bending hole on copper support also ensures the insulation between shunt and copper support, avoids the risk of current leakage or short circuit.

[0016] As a key component for measuring current, shunt, by using high-quality shunt and accurate fixing mode, the sensor can realize accurate measurement of battery current, and provide accurate and reliable battery state information for automobile system. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0018] Figure 1 The three-dimensional structure schematic diagram provided by the embodiments of the present application is provided.

[0019] Figure 2 The assembly schematic diagram provided by the embodiments of the present application is provided.

[0020] Figure 3 The three-dimensional structure schematic diagram of sensor shell provided by the embodiments of the present application is provided.

[0021] Figure 4 The sensor shell and upper cover assembly schematic diagram provided for the embodiment of the present application;

[0022] Figure 5 The three-dimensional schematic diagram of the copper support connection structure provided for the embodiment of the present application.

[0023] In the figure: 1, sensor shell; 1a, cavity; 2, upper cover; 3, pin; 4, shunt; 5, countersunk screw; 6, rivet screw; 7, circuit board; 8, copper support; 8a, bending hole; 81, connecting part; 811, U-shaped fixing block; 812, connecting sheet; 82, bending part; 9, bolt; 10, nut; 11, flash; 12, convex groove; 121, concave groove. DETAILED DESCRIPTION

[0024] To make the purpose, technical scheme and advantages of the embodiment of the present application clearer, the technical scheme in the embodiment of the present application will be described clearly and completely below in combination with the drawings in the embodiment of the present application. Obviously, the described embodiment is a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiment in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0025] The embodiment of the present application provides an intelligent storage battery sensor, which can solve the problem of continuous increase of sensor function in the related art, continuous increase of the number of electronic components on the circuit board, and continuous increase of the volume of the sensor.

[0026] Please refer to Figures 1-3 An intelligent storage battery sensor comprises a sensor shell 1 and an upper cover 2. The sensor shell 1 has a cavity 1a inside. A shunt 4 is arranged inside the cavity 1a. The shunt 4 is fixed in the cavity 1a by a countersunk screw 5. A circuit board 7 is arranged inside the cavity 1a. A copper support 8 is arranged on the sensor shell 1. A bending hole 8a is formed in the copper support 8. One end of the shunt 4 penetrates through the bending hole 8a and extends to the outside of the sensor shell 1. A rivet screw 6 is arranged on the end of the shunt 4 extending to the outside of the sensor shell 1.

[0027] The bottom end of the countersunk screw 5 extends downward and is connected with the copper support 8.

[0028] Firstly, the sensor shell 1 serves as the main structure of the entire sensor, providing a protective environment to ensure that the internal components are not disturbed and damaged by the external environment. In the cavity 1a inside the sensor shell 1, key components such as the shunt 4 and the circuit board 7 are arranged.

[0029] The shunt 4 is a device for measuring current by dividing it into two parts. In this sensor, one end of the shunt 4 is fixed in the cavity 1a by a grub screw 5 to ensure its stability and reliability during operation. The other end passes through the bent hole 8a on the copper bracket 8 and extends to the outside of the sensor housing 1, connecting with the external circuit or battery.

[0030] The copper bracket 8 serves as an important bridge connecting the sensor housing 1 and the external circuit, and its bent hole 8a not only provides a passage for the shunt 4 to pass through, but also ensures the insulation between the shunt 4 and the copper bracket 8 through its design. At the same time, the bent design of the copper bracket 8 also enhances its fixation reliability with the sensor housing 1, preventing the sensor from loosening or falling off during operation.

[0031] The circuit board 7 is arranged with multiple electronic components for processing the current signal from the shunt 4 and converting it into digital or analog signals that can be read by the automotive system. These signals are then used to monitor the state of the battery, control the charging and discharging process, etc.

[0032] When the current passes through the shunt 4, a voltage drop proportional to the current size is generated. This voltage drop is captured and processed by the electronic components on the circuit board 7, ultimately generating a signal reflecting the state of the battery.

[0033] By hiding the contact parts of the shunt 4 and the copper bracket 8 inside the sensor housing 1, the overall size of the sensor is miniaturized. This meets the demand of modern cars for miniaturized and lightweight components, helping to optimize the layout and design of the car.

[0034] The fixation method between the sensor housing 1 and the copper bracket 8, as well as the fixation method of the shunt 4, ensures the stability and reliability of the sensor during operation. At the same time, the bent hole 8a on the copper bracket 8 also ensures the insulation between the shunt 4 and the copper bracket 8, avoiding the risk of current leakage or short circuit.

[0035] As the key component for measuring current, the shunt 4, by using high-quality shunts 4 and precise fixation methods, enables the sensor to accurately measure the battery current and provide accurate and reliable battery state information to the automotive system.

[0036] Specifically, the cavity 1a in the embodiment is provided with a pin 3, and the circuit board 7 is provided with a plurality of insertion holes matched with the pin 3, and the pin 3 is used to position the circuit board 7.

[0037] The pins 3 inside the cavity 1a correspond to the pre-set sockets on the circuit board 7. When the circuit board 7 is installed into the cavity 1a, the pins 3 will accurately insert into the corresponding sockets, achieving precise positioning of the circuit board 7. This ensures the stability and accuracy of the circuit board 7 during installation, and also helps to improve the assembly efficiency and reliability of the entire sensor.

[0038] Through the cooperation of the pins 3 and the sockets, the precise positioning of the circuit board 7 is achieved, avoiding deviation or misplacement during installation. This not only improves the assembly accuracy of the sensor, but also ensures the reliability of electrical connections between its internal components.

[0039] The design of the pins 3 and the sockets simplifies the assembly process of the sensor, allowing the circuit board 7 to be quickly and accurately installed into the cavity 1a. This helps to improve production efficiency and reduce production costs.

[0040] In one embodiment, the copper bracket 8 includes a connecting part 81 and a bent part 82 connected to each other, the bent part 82 covers the bottom and one side of the sensor housing 1, and the bent hole 8a is arranged on the part of the bent part 82 arranged on one side of the sensor housing 1. The bottom end of the countersunk screw 5 extends downward and is connected with the bent part 82.

[0041] The connecting part 81 is responsible for firmly connecting the copper bracket to the sensor housing 1.

[0042] The bent part 82 is bent to cover the bottom and one side of the sensor housing 1, not only increasing the contact area between the copper bracket 8 and the sensor housing 1, improving the stability of the connection, but also providing a through channel for the shunt 4 through the bent hole 8a on the bent part 82. The precise position and size design of the bent hole 8a ensures that the shunt 4 can smoothly pass through and connect with the external circuit, while maintaining insulation between the copper bracket 8.

[0043] By connecting the connecting part 81 and the bent part 82 to each other, the copper bracket 8 forms a stable and flexible structure. The connecting part 81 ensures reliable connection of the sensor housing 1, while the bent part 82 provides a through channel for the shunt 4 and additional support, optimizing the internal structure layout of the sensor and improving its overall stability and durability.

[0044] Further, the connecting part 81 includes a U-shaped fixing block 811 and two connecting pieces 812 connected to each other, a bolt 9 is arranged between the two connecting pieces 812, and one end of the bolt 9 is threadedly connected with a nut 10.

[0045] Through the U-shaped fixing block 811, the copper bracket 8 can obtain stable connection with the sensor housing, thereby preventing the sensor from loosening or falling off during operation.

[0046] The sensor housing 1 is conveniently fixed by the combination of the connecting piece 812 and the bolt 9 / nut 10.

[0047] The bolt 9 and the nut 10 are used to achieve fastening in the connecting part 81. The nut 10 is screwed onto the end of the bolt 9 to generate sufficient clamping force to fix the sensor housing 1.

[0048] Further, the connecting piece 812 is oppositely provided with two burrs 11, one end of which is bent towards the side close to the bolt 9 and used to prevent the bolt 9 and the nut 10 from falling off.

[0049] The burrs 11 on the connecting piece 812 are designed to further enhance the stability of the connection between the bolt 9 and the nut 10, preventing them from falling off under vibration or impact conditions.

[0050] The burrs 11 are two additional parts oppositely provided on the connecting piece 812, which are usually located at the position of the connecting piece close to the bolt 9 and the nut 10. One end of the burr 11 is bent towards the side close to the bolt 9, forming a structure similar to a hook, so that the burr 11 can tightly wrap around the head of the bolt 9 and the nut 10, thereby increasing the stability of the connection.

[0051] During the operation of the sensor, especially in a vibrating environment such as a car, the bolt 9 and the nut 10 may gradually loosen or even fall off due to vibration. The burr 11 is designed to solve this problem. When the bolt 9 and the nut 10 are tightened, the burr 11 tightly wraps around them, forming an additional barrier to prevent them from loosening or falling off under vibration conditions. This design not only improves the stability of the connection, but also prolongs the service life of the sensor.

[0052] The sensor housing 1, the shunt 4 and the pin 3 in the present embodiment are integrally injection molded, the shunt 4 is made of conductive metal, and the sensor housing 1 and the pin 3 are made of plastic material.

[0053] The sensor housing 1, the shunt 4 and the pin 3 are combined together by plastic-metal injection molding technology, which ensures the overall performance and durability of the sensor.

[0054] Plastic-metal injection molding technology is a manufacturing process that allows metal inserts (such as the shunt 4) to be combined with plastic (such as the material of the sensor housing 1 and the pin 3) during injection molding. The key to this technology is to ensure that the metal insert is accurately positioned during plastic injection molding and tightly combined with the plastic material to form a solid and functional component, which not only simplifies the assembly process, but also improves the connection strength and consistency between components.

[0055] By integrally injection molding, there is no gap or additional fastener between the connection of the sensor shell 1, the shunt 4 and the pin 3, thereby reducing potential failure points. In addition, this design also makes the sensor more compact and lightweight, meeting the demand of modern cars and other electronic devices for small and light components.

[0056] The shunt 4, as a key conductive component in the sensor, is made of conductive metal material to ensure stable transmission of current in the sensor and withstand certain mechanical stress.

[0057] The sensor shell 1 and the pin 3 are made of plastic material, which has the advantages of light weight, low cost, easy processing and molding, etc., which makes the sensor shell 1 and the pin 3 can realize complex shape and structure at low cost. In addition, the plastic material also has certain insulation performance and corrosion resistance, which can protect the electronic components inside the sensor from damage by external environment.

[0058] In one embodiment, the sensor shell 1 is provided with a convex groove 12, and the bottom of the upper cover 2 is provided with a concave groove 121 matched with the convex groove 12. The convex groove 12 on the sensor shell 1 matches the concave groove 121 on the upper cover 2 and is fixed by laser welding.

[0059] The sensor shell 1 is provided with a convex groove 12, and the bottom of the upper cover 2 is provided with a concave groove 121 matched with the convex groove 12. When the sensor shell 1 and the upper cover 2 are assembled together, the convex groove 12 and the concave groove 121 match each other and are fixed by laser welding.

[0060] Laser welding can realize high-precision welding and ensure the tight connection between the sensor shell 1 and the upper cover 2. The weld formed by laser welding has high strength and can withstand large tension and pressure.

[0061] Laser welding can ensure that the connection between the sensor shell 1 and the upper cover 2 has good sealing performance to prevent external moisture, dust and other impurities from entering the inside of the sensor.

[0062] The weld formed by laser welding is smooth and flat, and will not damage the surface beauty of the sensor shell 1 and the upper cover 2.

[0063] In the description of the present application, it should be noted that the terms "upper", "lower", and the like are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do 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 present application. Unless otherwise expressly specified and limited, the terms "mounting", "connecting", "connecting" should be interpreted broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0064] It should be noted that in the present application, relational terms such as "first" and "second" and the like are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or device including the element.

[0065] The above is only a specific embodiment of the present application, which enables those skilled in the art to understand or implement the present application. Various modifications of these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features applied herein.

Claims

1. An intelligent battery sensor, characterized by The utility model relates to a kind of intelligent battery sensor, including: sensor shell (1) and upper cover (2), the sensor shell (1) inside has cavity (1a), the cavity (1a) inside is provided with shunt (4), the shunt (4) is provided with countersunk screw (5), the countersunk screw (5) is used to fix the shunt (4) in cavity (1a), the cavity (1a) inside is provided with circuit board (7), the sensor shell (1) is provided with copper support (8), the copper support (8) is opened with bending hole (8a), one end of the shunt (4) is threaded through bending hole (8a) and extends to the outside of sensor shell (1), the shunt (4) extends to the outside of sensor shell (1) one end and is provided with rivet screw (6). 2.The intelligent battery sensor of claim 1, wherein: the cavity (1a) is provided with a pin (3), the circuit board (7) is provided with a plurality of insertion holes matched with the pin (3), and the pin (3) is used for positioning the circuit board (7). 3.The intelligent battery sensor of claim 1, wherein: the copper support (8) comprises a connecting portion (81) and a bending portion (82) connected with each other, the bending portion (82) covers the bottom and one side of the sensor shell (1), and the bending hole (8a) is arranged on the part of the bending portion (82) arranged on the side of the sensor shell (1). 4.The intelligent battery sensor of claim 3, wherein: the connecting portion (81) comprises a U-shaped fixing block (811) and two connecting pieces (812) connected with each other, a bolt (9) is arranged between the two connecting pieces (812), and one end of the bolt (9) is threadedly connected with a nut (10). 5.The intelligent battery sensor of claim 4, wherein: two flashings (11) are oppositely arranged on the connecting piece (812), and one end of the flashing (11) is bent towards the side close to the bolt (9) and is used for preventing the bolt (9) and the nut (10) from falling off. 6.The intelligent battery sensor of claim 1, wherein: the sensor shell (1), the shunt (4) and the pin (3) are integrally injection molded, and the shunt (4) is made of conductive metal. 7.The intelligent battery sensor of claim 1, wherein: a convex groove (12) is arranged on the sensor shell (1), a concave groove (121) matched with the convex groove (12) is arranged on the bottom of the upper cover (2), and the convex groove (12) on the sensor shell (1) is matched with the concave groove (121) on the upper cover (2) and is welded by laser. ​ ​ ​ ​ ​ ​ ​

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