Shell and Hall magnetic current sensor with same

Abstract

The utility model belongs to the technical field of Hall magnetic current sensors, particularly relates to a shell and a Hall magnetic current sensor with the shell, and aims to solve the problems that the anti-electromagnetic interference performance, the heat dissipation performance, the structural strength and the like of the conventional sensor shell are not good enough, the maintenance is not convenient enough, additional tools are needed for assistance and the like. According to the scheme, the shell comprises a shell body, a detection through hole is formed in the shell body, and a side plate is arranged on one side of the shell body and used for closing the shell body; the Hall magnetic current sensor shell is compact in design and simple in structure, the sensor can be conveniently maintained through the side plates installed in a buckling mode, tools are not needed in the maintenance process, operation is convenient and fast, magnetic shielding is enhanced through the design of the inner cavity of the Hall magnetic current sensor shell, and the Hall magnetic current sensor shell is convenient to maintain. The design of the heat dissipation holes and the reinforcing ribs optimizes the heat dissipation, improves the toughness of the housing, and can prolong the service life of the sensor.

Description

Technical Field

[0001] The utility model relates to the technical field of Hall magnetic current sensors, in particular to a housing and a Hall magnetic current sensor with the housing. Background Art

[0002] In the fields of power electronics, industrial automation, automotive electronics, etc., Hall magnetic current sensors are widely used due to their advantages such as non-contact measurement, high precision, and high linearity. However, when traditional sensor housings are used, the following problems still exist:

[0003] Traditional sensor housings are insufficient in terms of electromagnetic interference resistance, heat dissipation performance, and structural strength, which easily affect the stability and reliability of sensors; and traditional sensor housings are fixed and encapsulated through fasteners such as fixing screws. When maintenance is required, they are inconvenient to disassemble and also require corresponding tools for assistance, making them not very convenient to use.

[0004] In view of the above problems, the present utility model document proposes a housing and a Hall magnetic current sensor with the housing. Summary of the Utility Model

[0005] The purpose of the present utility model is to solve the disadvantages in the prior art that traditional sensor housings are not good enough in aspects such as electromagnetic interference resistance, heat dissipation performance, and structural strength, and are not convenient enough during maintenance and require additional tool assistance, and to propose a housing and a Hall magnetic current sensor with the housing.

[0006] In order to achieve the above purpose, the present utility model adopts the following technical solutions:

[0007] A housing, comprising:

[0008] A housing main body, a detection through hole is opened inside the housing main body, a side plate is arranged on one side of the housing main body, and the side plate is used to complete the enclosure of the housing main body; a partition is fixedly installed inside the housing main body, and the partition divides the interior of the housing main body into a first placement groove and a cavity. A second placement groove is opened inside the first placement groove, an installation cavity is opened inside the partition, the installation cavity is located below the first placement groove, a circuit interface is opened on one side of the installation cavity, and the circuit interface penetrates through one side of the housing main body. The first placement groove, the second placement groove, and the installation cavity are all used for installing and placing electrical components, and the cavity is used to enhance the magnetic shielding ability of the housing;

[0009] It further includes two groups of fixing components, and the two groups of fixing components are used to complete the fixation of the side plate.

[0010] In a possible design, the fixing component includes a fixing block fixedly installed on the inner wall of one side of the housing body. A push plate is provided on one side of the housing body. A clamping block is fixedly installed on one side of the push plate. One end of the clamping block penetrates through one side of the housing body and is slidably connected to the housing body through a chute. The clamping block is located below the fixing block. A limiting rod is fixedly installed at the top end of the clamping block. The top end of the limiting rod slidably penetrates through the fixing block. A spring is sleeved on the outer wall of the limiting rod. One end of the spring is fixedly connected to the top of the clamping block, and the other end of the spring is fixedly connected to the bottom of the fixing block. Two limiting plates are fixedly installed on one side of the side plate. Both of the two limiting plates are slidably matched with the inner wall of the adjacent housing body. Card slots are formed at the tops of the two limiting plates. The card slots are respectively engaged with the adjacent clamping blocks to complete the installation and fixation of the side plate.

[0011] In a possible design, pushing blocks are fixedly installed at the top and bottom of the side plate. Installation grooves are formed at the top and bottom of the housing body. The two pushing blocks are respectively matched with the corresponding installation grooves. Anti-slip protrusions are provided on the sides of the two pushing blocks away from the housing body. The two pushing blocks are used to facilitate the disassembly of the side plate.

[0012] In a possible design, first fixing plates and second fixing plates are fixedly installed on both sides of the housing body. The two first fixing plates are vertically arranged with the adjacent second fixing plates, and are fixedly connected between the adjacent first fixing plates and second fixing plates. Fixing through holes are formed inside the first fixing plates and the second fixing plates. The multiple fixing through holes are used to complete the fixation of the housing body.

[0013] In a possible design, multiple reinforcing ribs are fixedly installed on the inner wall of the cavity. The multiple reinforcing ribs are used to enhance the toughness of the housing body.

[0014] In a possible design, multiple heat dissipation holes are formed in the side plate. The multiple heat dissipation holes penetrate through one side of the housing body. The multiple heat dissipation holes are used to accelerate the discharge of heat inside the housing body.

[0015] In a possible design, a second pressing block and multiple first pressing blocks are fixedly installed on one side of the side plate. The second pressing block and the multiple first pressing blocks are matched to press and fix the electrical components installed in the housing body.

[0016] In a possible design, wire grooves are formed on the multiple inner walls of the second placement groove. The multiple wire grooves are used to communicate the first placement groove, the second placement groove and the installation cavity to facilitate the passage of wires.

[0017] A Hall magnetic current sensor includes:

[0018] A housing as described in any one of the above;

[0019] It also includes a magnetic core, a Hall element, and a circuit board. The magnetic core is arranged in a first placement groove, the Hall element is arranged in a second placement groove, and the circuit board is fixedly arranged in the installation cavity. The magnetic core, the Hall element, and the circuit board cooperate with each other to realize the normal operation of the Hall magnetic current sensor.

[0020] In the present application, when assembling the Hall magnetic current sensor, the magnetic core is placed in the first placement slot of the shell body to ensure that the position is accurate and there is no offset. Then the Hall element is installed in the second placement slot, and attention is paid to alignment and fixation to prevent movement. Then the circuit board is connected and fixed in the installation cavity inside the shell body through the circuit interface, and it is ensured that the circuit board is correctly connected to the Hall element and possible external connections such as power supply and signal lines; then the side panel can be aligned with the opening of the shell body and pushed in through two pushing blocks to ensure that the limit plate slides with the inner wall of the shell body; at the same time, the user needs to push the two push plates at the same time so that the card block will not block the movement of the limit plate, and the card block is aligned with the card slot. At this time, release the push plate, and the card block can be inserted into the card slot under the action of the spring to complete the fixation of the side plate. ; When disassembly is required, just perform the above operation in reverse for easy use; Before use, the user may place the shell body on a stable workbench to ensure that it does not shake, and then fix the shell body in a suitable position through the fixing through holes on the first fixing plate or the second fixing plate using appropriate fastening screws; After that, the power is turned on to start the sensor to complete the corresponding detection; When the Hall magnetic current sensor is working, the heat dissipation holes can improve the heat dissipation effect inside the sensor, so as to ensure that the internal electrical components will not be damaged due to overheating; A cavity is arranged inside the Hall magnetic current sensor, and the cavity can improve the magnetic shielding effect of the sensor. At the same time, a plurality of reinforcing ribs are also arranged on the inner wall of the cavity, which can ensure that the shell body is relatively strong and convenient for long-term use.

[0021] Beneficial effects:

[0022] In the utility model, the housing and the Hall magnetic current sensor having the housing have an optimized structural design, which reduces unnecessary components, making the overall structure more compact and simple. At the same time, the side panels are installed by fixing components, and the snap-on design is used, so that installation and disassembly can be easily completed without additional tools, which greatly improves work efficiency.

[0023] In the utility model, the housing and the Hall magnetic current sensor having the housing, the cavity structure arranged inside the housing can effectively isolate the external magnetic field interference, improve the magnetic shielding ability of the sensor, ensure the accuracy of the measurement result, and at the same time, combined with the design of the internal reinforcing ribs, effectively enhance the toughness of the housing, which is conducive to extending the service life of the sensor;

[0024] In the present utility model, for the described housing and the Hall magnetic current sensor having the housing, by providing a plurality of heat dissipation holes on the side plate and the housing body, the heat dissipation efficiency is significantly improved, and the service life of the electrical components is extended.

[0025] In the present utility model, the housing of the Hall magnetic current sensor is designed to be compact and has a simple structure. The side plate installed by a snap-fit method facilitates the maintenance of the sensor. No tools are required during maintenance, and the operation is convenient. Moreover, the internal cavity design enhances magnetic shielding to ensure accurate measurement. The design of the heat dissipation holes and the reinforcing ribs optimizes heat dissipation, improves the toughness of the housing, and can extend the life of the sensor, overall enhancing the stability, reliability, and usability of the Hall magnetic current sensor. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a three-dimensional structural schematic diagram of a housing and a Hall magnetic current sensor having the housing proposed by the present utility model;

[0027] Figure 2 is an internal structural schematic diagram of a housing and a Hall magnetic current sensor having the housing proposed by the present utility model;

[0028] Figure 3 is a structural schematic diagram of the side plate of a housing and a Hall magnetic current sensor having the housing proposed by the present utility model;

[0029] Figure 4 is a sectional structural schematic diagram of the housing body of a housing and a Hall magnetic current sensor having the housing proposed by the present utility model;

[0030] Figure 5 is a structural schematic diagram of the fixing component of a housing and a Hall magnetic current sensor having the housing proposed by the present utility model.

[0031] In the figure: 1. Housing body; 2. Detection through hole; 3. First fixing plate; 4. Second fixing plate; 5. Fixing through hole; 6. Side plate; 7. Heat dissipation hole; 8. Magnetic core; 9. Hall element; 10. Circuit board; 11. Installation groove; 12. Pushing block; 13. Limiting plate; 14. First extrusion block; 15. Second extrusion block; 16. Partition board; 17. First placement groove; 18. Cavity; 19. Installation cavity; 20. Reinforcing rib; 21. Second placement groove; 22. Wire slot; 23. Fixed block; 24. Card slot; 25. Push plate; 26. Block; 27. Limiting rod; 28. Spring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0032] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0033] Example 1

[0034] Referring to FIGS. 1-5, a housing includes:

[0035] A housing main body 1, a detection through hole 2 is provided inside the housing main body 1, and a side plate 6 is arranged on one side of the housing main body 1, and the side plate 6 is used to close the housing main body 1 to ensure the safety and protection of internal components;

[0036] A partition 16 is fixedly installed inside the housing main body 1, which divides the interior of the housing main body 1 into two independent spaces: a first placement groove 17 and a cavity 18; a second placement groove 21 is further provided in the first placement groove 17 to provide additional installation space, and an installation cavity 19 is also provided inside the partition 16. It is located below the first placement groove 17 and is equipped with a circuit interface, and the interface penetrates through one side of the housing main body 1 for easy connection with an external circuit.

[0037] To fix the side plate 6, this embodiment provides two sets of fixing components. Each set of fixing components includes a fixing block 23, which is fixedly installed on the inner wall of one side of the housing main body 1. A push plate 25 is also arranged on the same side of the housing main body 1. The push plate 25 is located outside the housing main body 1. A clamping block 26 is fixedly installed on one side of the push plate 25. One end of the clamping block 26 is slidably connected to the housing main body 1 through a chute and is located below the fixing block 23. A limiting rod 27 is fixedly installed at the top of the clamping block 26, and the top of the limiting rod 27 slidably penetrates through the fixing block 23. To keep the clamping block 26 in a fixed position, a spring 28 is sleeved on the outer wall of the limiting rod 27, and both ends of the spring 28 are fixedly connected to the top of the clamping block 26 and the bottom of the fixing block 23 respectively;

[0038] Furthermore, two limiting plates 13 are fixedly installed on one side of the side plate 6, and both of these limiting plates 13 are slidably matched with the inner wall of the adjacent housing main body 1. A clamping groove 24 is provided at the top of each limiting plate 13, and the clamping groove 24 is engaged with the adjacent clamping block 26 to complete the installation and fixation of the side plate 6.

[0039] To facilitate the disassembly of the side plate 6, pushing blocks 12 are fixedly installed at the top and bottom of the side plate 6; correspondingly, installation grooves 11 are provided at the top and bottom of the housing main body 1, and both pushing blocks 12 are matched with the corresponding installation grooves 11. Anti-slip protrusions are provided on the side of the pushing block 12 away from the housing main body 1, enabling users to more conveniently complete the disassembly of the side plate 6.

[0040] To enhance the fixing stability of the housing, the first fixing plates 3 and the second fixing plates 4 are fixedly installed on both sides of the housing body 1. Each first fixing plate 3 is vertically arranged with the adjacent second fixing plate 4 and fixedly connected between them. Fixing through holes 5 are provided inside the first fixing plates 3 and the second fixing plates 4, and multiple fixing through holes 5 are used to complete the fixing of the housing body 1.

[0041] To strengthen the toughness of the housing body 1, multiple reinforcing ribs 20 are fixedly installed on the inner wall of the cavity 18. These reinforcing ribs 20 not only improve the structural strength of the housing but also help improve the magnetic shielding ability.

[0042] To improve the heat dissipation performance of the housing, multiple heat dissipation holes 7 are provided in the side plate 6. These heat dissipation holes 7 penetrate one side of the housing body 1, which helps to accelerate the heat discharge inside the housing body 1, thereby maintaining the stable operation of the internal electrical components.

[0043] A second extrusion block 15 and multiple first extrusion blocks 14 are also fixedly installed on one side of the side plate 6. The second extrusion block 15 and the multiple first extrusion blocks 14 cooperate to press and fix the electrical components installed in the housing body 1 to ensure that they do not loosen or shift during operation.

[0044] To facilitate the arrangement and connection of wires, wire grooves 22 are provided on the multiple inner walls of the second placement groove 21. These wire grooves 22 connect the first placement groove 17, the second placement groove 21, and the installation cavity 19 to facilitate the connection and layout of wires through these channels.

[0045] This application can be used in the technical field of Hall magnetic current sensors and can also be used in other fields applicable to this application.

[0046] Embodiment 2

[0047] Reference Figure 1 、 2 On the basis of Embodiment 1, an improvement is made: a housing and a Hall magnetic current sensor having the housing, which are applied to the technical field of Hall magnetic current sensors;

[0048] In this embodiment, a Hall magnetic current sensor is also provided, which adopts the above housing structure. Specifically, the Hall magnetic current sensor includes a magnetic core 8, a Hall element 9, and a circuit board 10; the magnetic core 8 is arranged in the first placement groove 17, the Hall element 9 is arranged in the second placement groove 21, and the circuit board 10 is fixedly arranged in the installation cavity 19. The magnetic core 8, the Hall element 9, and the circuit board 10 cooperate with each other to jointly realize the normal operation of the Hall magnetic current sensor.

[0049] However, as is well known to those skilled in the art, the working principles and wiring methods of the magnetic core 8, Hall element 9, and circuit board 10 are common knowledge and fall within the scope of conventional means or well-known common sense. Therefore, they will not be elaborated here. Those skilled in the art can make arbitrary selections according to their needs or convenience.

[0050] The working principle and usage process of this technical solution are as follows: When assembling the Hall magnetic current sensor, place the magnetic core 8 into the first placement groove 17 of the housing main body 1 to ensure accurate positioning without deviation. Then, install the Hall element 9 into the second placement groove 21, paying attention to alignment and fixation to prevent movement. Next, connect the circuit board 10 through the circuit interface and fix it in the installation cavity 19 inside the housing main body 1, and ensure that the circuit board 10 is correctly connected to the Hall element 9 and possible external connections such as power supply and signal lines. After that, the side plate 6 can be aligned with the opening of the housing main body 1 and pushed in through the two push blocks 12 to ensure that the limiting plate 13 slides smoothly with the inner wall of the housing main body 1. At the same time, the user needs to push the two push plates 25 simultaneously to prevent the locking block 26 from blocking the movement of the limiting plate 13. Align the locking block 26 with the card slot 24, and then release the push plates 25. The locking block 26 can be snapped into the card slot 24 under the action of the spring 28 to complete the fixation of the side plate 6. When disassembly is required, reverse the above operations for convenient use. Before use, the user may place the housing main body 1 on a stable workbench to ensure that it does not shake. Then, through the fixing through holes 5 on the first fixing plate 3 or the second fixing plate 4, use appropriate fastening screws to fix the housing main body 1 in the appropriate position. After that, turn on the power supply to start the sensor to complete the corresponding detection. When the Hall magnetic current sensor is working, the heat dissipation holes 7 can improve the heat dissipation effect inside the sensor, facilitating the protection of internal electrical components from damage due to overheating. The interior of the Hall magnetic current sensor is provided with a cavity 18, which can improve the magnetic shielding effect of the sensor. At the same time, the inner wall of the cavity 18 is provided with multiple reinforcing ribs 20 to ensure that the housing main body 1 has good firmness for long-term use.

[0051] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, making equivalent substitutions or changes should be covered by the protection scope of the present invention.

Claims

1. A housing, characterized in that: include: A shell body (1), wherein a detection through hole (2) is provided inside the shell body (1), and a side plate (6) is provided on one side of the shell body (1), and the side plate (6) is used to complete the sealing of the shell body (1); a partition plate (16) is fixedly installed inside the shell body (1), and the partition plate (16) divides the inside of the shell body (1) into a first placement groove (17) and a cavity (18); a second placement groove (21) is provided inside the first placement groove (17); an installation cavity (19) is provided inside the partition plate (16), and the installation cavity (19) is located below the first placement groove (17); a circuit interface is provided on one side of the installation cavity (19), and the circuit interface runs through one side of the shell body (1); the first placement groove (17), the second placement groove (21), and the installation cavity (19) are all used for installing and placing electrical components, and the cavity (18) is used to enhance the magnetic shielding capability of the shell; It also comprises two groups of fixing components, and the two groups of fixing components are used to complete the fixing of the side panels (6).

2. A housing according to claim 1, characterized in that: The fixing assembly comprises a fixing block (23) fixedly mounted on an inner wall of one side of the shell body (1); a push plate (25) is provided on one side of the shell body (1); a clamping block (26) is fixedly mounted on one side of the push plate (25); one end of the clamping block (26) passes through one side of the shell body (1) and is slidably connected to the shell body (1) through a slide groove; the clamping block (26) is located below the fixing block (23); a limiting rod (27) is fixedly mounted on the top end of the clamping block (26); the top end of the limiting rod (27) slides through the fixing block (23); the limiting rod (27) The outer wall of the rod (27) is sleeved with a spring (28), one end of the spring (28) is fixedly connected to the top of the clamping block (26), and the other end of the spring (28) is fixedly connected to the bottom of the fixing block (23); two limit plates (13) are fixedly installed on one side of the side plate (6), and the two limit plates (13) are slidably matched with the inner walls of the adjacent shell body (1), and the tops of the two limit plates (13) are provided with a clamping groove (24), and the clamping groove (24) is clamped and matched with the adjacent clamping block (26) to complete the installation and fixation of the side plate (6).

3. A housing according to claim 2, characterized in that: Push blocks (12) are fixedly mounted on the top and bottom of the side panel (6); mounting grooves (11) are provided on the top and bottom of the shell body (1); the two push blocks (12) are matched with the corresponding mounting grooves (11); the two push blocks (12) are provided with anti-slip protrusions on the sides away from the shell body (1); the two push blocks (12) are used to facilitate the disassembly of the side panel (6).

4. A housing according to claim 1, characterized in that: A first fixing plate (3) and a second fixing plate (4) are fixedly mounted on both sides of the shell body (1); the two first fixing plates (3) are vertically arranged with adjacent second fixing plates (4); and adjacent first fixing plates (3) and second fixing plates (4) are fixedly connected; the first fixing plates (3) and the second fixing plates (4) are each provided with fixing through holes (5) inside; and the plurality of fixing through holes (5) are used to complete the fixing of the shell body (1).

5. A housing according to claim 1, characterized in that: A plurality of reinforcing ribs (20) are fixedly mounted on the inner wall of the cavity (18), and the plurality of reinforcing ribs (20) are used to enhance the toughness of the shell body (1).

6. A housing according to claim 1, characterized in that: A plurality of heat dissipation holes (7) are provided in the side plate (6), and the plurality of heat dissipation holes (7) penetrate one side of the shell body (1). The plurality of heat dissipation holes (7) are used to accelerate the discharge of heat from the inside of the shell body (1).

7. A housing according to claim 1, characterized in that: A second extrusion block (15) and a plurality of first extrusion blocks (14) are fixedly mounted on one side of the side plate (6); the second extrusion block (15) and the plurality of first extrusion blocks (14) cooperate with each other to press and fix the electrical components installed in the housing body (1).

8. A housing according to claim 1, characterized in that: A plurality of inner walls of the second placement groove (21) are provided with wire passage grooves (22), and the plurality of wire passage grooves (22) are used to connect the first placement groove (17), the second placement groove (21), and the installation cavity (19) to facilitate the passage of wires.

9. A Hall magnetic current sensor, characterized in that: include: A housing as claimed in any one of claims 1 to 8; It also includes a magnetic core (8), a Hall element (9), and a circuit board (10); the magnetic core (8) is arranged in a first placement groove (17), the Hall element (9) is arranged in a second placement groove (21), and the circuit board (10) is fixedly arranged in a mounting cavity (19); the magnetic core (8), the Hall element (9), and the circuit board (10) cooperate with each other to realize the normal operation of the Hall magnetic current sensor.

Images