CN216350829U

CN216350829U - Detachable hall current sensor's mounting structure

Info

Publication number: CN216350829U
Application number: CN202122792489.9U
Authority: CN
Inventors: 王文生
Original assignee: Beijing Senshe Electronics Co ltd
Current assignee: Beijing Senshe Electronics Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-04-19
Anticipated expiration: 2031-11-15

Abstract

The application relates to a detachable Hall current sensor mounting structure, which comprises a mounting seat, a bracket and a clamping plate; a clamping groove is formed in the mounting seat, a mounting opening is formed in the side wall, close to the bottom of the clamping groove, of the mounting seat, and the mounting opening is communicated with the clamping groove; the bracket is fixedly arranged on the inner wall of the notch of the clamping groove, and the projection of the bracket to the surface of the mounting seat where the mounting opening is located completely falls into the mounting opening; the clamping plate is located the support with between the installing port, the clamping plate can be dismantled with the support and be connected, offers the joint hole that is used for placing hall element on the clamping plate. This application has the effect that improves hall element's change work efficiency.

Description

Detachable hall current sensor's mounting structure

Technical Field

The application relates to the field of Hall current sensor technology, in particular to a detachable Hall current sensor mounting structure.

Background

The Hall current sensor measures Hall potential through the magnetic induction characteristic of the Hall element according to Hall effect and ampere law, and therefore the current value of the cable to be measured is measured indirectly. Thus, the hall current sensor makes non-contact measurement of the current possible.

The Hall current sensor comprises a shell, a mutual inductance mechanism, a PCB and a Hall element, wherein in order to prevent the Hall current sensor from being in electric contact with a tested circuit, namely, the power of a cable is not consumed, the mutual inductance mechanism, the PCB and the Hall element are required to be installed and then injected into the shell, but after the injection molding, the mutual inductance mechanism, the PCB and the Hall element in the shell are fixed, when the Hall element is required to be replaced, plastic covering the surface of the Hall element needs to be pulled out, and the Hall current sensor can be damaged in the plastic pulling-out process.

With respect to the related art in the above, the inventors consider that the difficulty of replacing the hall element is large.

SUMMERY OF THE UTILITY MODEL

In order to replace the Hall element conveniently, the application provides a detachable Hall current sensor's mounting structure.

The application provides a pair of detachable hall current sensor's mounting structure adopts following technical scheme:

a mounting structure of a detachable Hall current sensor comprises a mounting seat, a bracket and a clamping plate; a clamping groove is formed in the mounting seat, a mounting opening is formed in the side wall, close to the bottom of the clamping groove, of the mounting seat, and the mounting opening is communicated with the clamping groove; the bracket is fixedly arranged on the inner wall of the notch of the clamping groove, and the projection of the bracket to the surface of the mounting seat where the mounting opening is located completely falls into the mounting opening; the clamping plate is located the support with between the installing port, the clamping plate with the support can be dismantled and be connected, offer the joint hole that is used for placing hall element on the clamping plate.

Through adopting above-mentioned technical scheme, during the installation, at first install hall element in the joint downthehole, then stretch into the joint inslot with the joint board through the installing port, until joint board and the support chucking that is located the joint inslot. When changing hall element, because the support falls into in the installing port to the surperficial projection of installing port place mount pad completely for there is the distance in the inner wall in joint board and joint groove, is convenient for extract the joint groove with the joint board, takes out the downthehole hall element of joint again. Above-mentioned easy operation when installation or the taking out joint board, and joint board and hall element can dismantle, so reduced the degree of difficulty of changing hall element.

Optionally, a plurality of welding pins are arranged on the side wall of the clamping plate facing the mounting opening, and the welding pins are connected with the hall element located in the clamping hole through a wire.

By adopting the technical scheme, the welding pins are used for connecting the Hall element and the PCB, so that the information transmission between the Hall element and the PCB is realized.

Optionally, a plurality of wiring grooves are formed in the clamping plate, the wiring grooves correspond to the welding pins one to one, and the wires are located in the wiring grooves.

Through adopting above-mentioned technical scheme for the wire passes through the joint board under the guide effect of trough, avoids many wires winding to tie a knot, thereby is convenient for manage and maintain the wire.

Optionally, the clamping holes are multiple.

By adopting the technical scheme, the installation positions of the Hall elements can be determined according to the actual environment through the plurality of clamping holes, and then the installation positions of the Hall elements are more flexible.

Optionally, the support includes baffle, first butt board and second butt board, the baffle is located the notch department in joint groove, baffle one end and first butt board one end fixed connection, the other end with the one end fixed connection of second butt board, the free end of first butt board and second butt board all faces the installing port, one side that first butt board and second butt board deviate from each other all with the inside wall fixed connection in joint groove.

Through adopting above-mentioned technical scheme, the baffle is used for supporting the joint board, and first butt joint board and second butt joint board are used for connecing with the joint integrated circuit board, have improved the steadiness of joint board.

Optionally, the partition plate, the first abutting plate and the second abutting plate are integrally formed.

Through adopting above-mentioned technical scheme, baffle, first butt plate and second butt plate integrated into one piece have improved the intensity of support.

Optionally, a first threaded hole is formed in the mounting seat, and the mounting seat is fixedly connected with the casing of the hall current sensor through a screw matched with the first threaded hole.

Through adopting above-mentioned technical scheme, mount pad and casing pass through the screw connection, have improved the connection steadiness between mount pad and the casing.

Optionally, a second threaded hole is formed in the mounting seat, and the mounting seat is connected with the PCB of the hall current sensor through a screw matched with the second threaded hole.

Through adopting above-mentioned technical scheme, the mount pad passes through the screw to be connected with the PCB board, has strengthened the connection steadiness between mount pad and the PCB board.

In summary, the present application includes at least one of the following beneficial technical effects:

1. during the installation, at first press hall element to joint downthehole for the inner wall joint in hall element and joint hole, then stretch into the joint inslot with the joint board through the installing port, until joint board and the support chucking that is located the joint inslot. When the Hall element is replaced, the clamping plate is firstly pulled out of the clamping groove, and then the Hall element in the clamping hole is taken out. Above-mentioned easy operation when installation or the taking out joint board, and joint board and hall element can dismantle, so reduced the degree of difficulty of changing hall element.

Drawings

Fig. 1 is a schematic view of the overall structure of the present application.

Fig. 2 is an exploded view of the mount of the present application.

Fig. 3 is a cross-sectional view of the mount of the present application.

FIG. 4 is a schematic diagram of the structure of the clamping plate of the present application.

Description of reference numerals: 1. a mounting seat; 11. a clamping groove; 12. An installation port; 13. a first threaded hole; 14. a second threaded hole; 2. a support; 21. a partition plate; 22. a first butt joint plate; 23. a second butt joint plate; 3. a clamping and connecting plate; 31. a clamping hole; 32. welding pins; 33. a wiring groove; 4. a Hall element; 41. a stitch; 5. a housing; 51. a base plate; 52. a first baffle plate; 53. a second baffle; 54. a third baffle plate; 55. a fourth baffle; 56. the circular ring abutting plate; 57. an output port; 6. a toroidal core; 7. a sleeve; 8. a first PCB daughter board; 9. a second PCB daughter board.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.

The embodiment of the application discloses detachable hall current sensor's mounting structure. Referring to fig. 1 and 2, a detachable hall current sensor's mounting structure, includes casing 5, mutual inductance mechanism, PCB board, mount pad 1, joint board 3 and hall element 4, and mutual inductance mechanism, PCB board and mount pad 1 are all installed in casing 5, and casing 5 cladding is on the lateral wall of the cable that awaits measuring, and mutual inductance mechanism is the ring form around the periphery of the cable that awaits measuring. Clamping plate 3 is installed in mount pad 1, and clamping plate 3 can be dismantled with mount pad 1 and be connected, and hall element 4 is installed in clamping plate 3, and

hall element

4 and 3 joints of clamping plate. When changing hall element 4, with joint board 3 and the separation of mount pad 1, then take out hall element 4 from joint board 3 in, hall element 4 and joint board 3's separation mode is simple, easily operation to the degree of difficulty of changing hall element 4 has been reduced.

Referring to fig. 1, the housing 5 includes a bottom plate 51 and a baffle, the baffle includes a first baffle 52, a second baffle 53, a third baffle 54 and a fourth baffle 55, the first baffle 52, the second baffle 53, the third baffle 54 and the fourth baffle 55 enclose a rectangular frame structure together, the bottom plate 51 is located in the rectangular frame structure, a through hole adapted to a cable to be tested is provided at a circle center of the bottom plate 51, so that the cable to be tested can penetrate through the hall current sensor.

Referring to fig. 1, the housing 5 further includes a circular ring abutting plate 56, the circular ring abutting plate 56 is fixedly connected to the side wall of the axial lead and the inner side wall of the through hole, the circular ring abutting plate 56 is abutted to the side wall of the axial lead and the outer side wall of the cable to be tested, and therefore the direct abutting of the inner side wall of the through hole and the cable to be tested are avoided, and the hall current sensor is electrically contacted with the cable to be tested.

Referring to fig. 1, the mutual inductance mechanism includes a toroidal core 6, a sleeve 7, and a coil. Ring core 6 is fixed to be set up on bottom plate 51 through insulating claw nail, and is located between ring butt joint board 56 and the baffle, and ring core 6 comprises multistage arc iron core jointly, and in this example, arc iron core has four, has the clearance between two adjacent arc iron cores for mount pad 1 can be installed between two adjacent arc iron cores, and the hall element 4 of being convenient for measures the magnetic field between two adjacent arc iron cores. The cladding of sleeve 7 is on arc iron core's lateral wall, and sleeve 7 is provided with one in every section arc iron core's one end respectively, and the coil cover is established on the lateral wall that sleeve 7 deviates from arc iron core.

Referring to fig. 3, a first screw hole 13 and a second screw hole 14 are formed in the mount base 1. The opening of the first threaded hole 13 is located on the side wall of the mounting seat 1 facing the bottom plate 51, and the mounting seat 1 is connected with the bottom plate 51 through a screw matched with the first threaded hole 13. The opening of the second threaded hole 14 is located on the side wall of the mounting seat 1 far away from the bottom plate 51, and the mounting seat 1 is connected with the PCB board through a screw matched with the second threaded hole 14.

Referring to fig. 2, a clamping groove 11 is further formed in the mounting seat 1, a notch of the clamping groove 11 is arranged towards the bottom plate 51, a mounting opening 12 is formed in the side wall of the mounting seat 1 towards the bottom of the clamping groove 11, the mounting opening 12 is communicated with the clamping groove 11, a support 2 is arranged in the clamping groove 11, and the support 2 is used for fixing the clamping plate 3. During installation, an operator holds the clamping plate 3 and stretches into the clamping groove 11 through the installation opening 12 until the clamping plate 3 is connected and clamped with the support 2.

Referring to fig. 2, the bracket 2 includes a partition plate 21, a first abutting plate 22 and a second abutting plate 23, and the partition plate 21, the first abutting plate 22 and the second abutting plate 23 are integrally formed. One end of the partition plate 21 is fixedly connected with one end of the first abutting plate 22, the other end of the partition plate is fixedly connected with one end of the second abutting plate 23, the partition plate 21 is in contact with the clamping plate 3 towards the side wall of the mounting opening 12, the partition plate 21 is located at the notch of the clamping groove 11, and meanwhile, the partition plate 21 is also located at the gap between two adjacent arc iron cores, so that the partition plate 21 is used for supporting the clamping plate 3 and also used for isolating two adjacent arc iron cores, so that the clamping plate 3 is located between two adjacent arc iron cores, and further, the Hall element 4 installed in the clamping plate 3 is located between two adjacent arc iron cores. The free end of first butt joint board 22 and second butt joint board 23 all faces mounting opening 12, and one side that first butt joint board 22 and second butt joint board 23 deviate from each other all with the inside wall fixed connection of joint groove 11, first butt joint board 22 and second butt joint board 23 all with 3 joints of joint plate. The projection of the distance between the first abutting plate 22 and the second abutting plate 23 to the surface of the mounting seat 1 where the mounting opening 12 is located completely falls into the mounting opening 12, so that the distance exists between the clamping plate 3 and the inner wall of the mounting opening 12, and the clamping plate 3 is convenient for an operator to take out.

Referring to fig. 4, a clamping hole 31 for clamping the hall element 4 is formed in the clamping plate 3, and the distances from the circle center of the clamping hole 31 to the first abutting plate 22 and the second abutting plate 23 are equal, so that the magnetic flux passing through the hall element 4 is balanced, and the reliability of the measuring result is improved. In order to flexibly set the position of the hall element 4, a plurality of clamping holes 31 are arranged, in this example, two clamping holes 31 are arranged, the two clamping holes 31 are communicated with each other, and when two adjacent arc iron cores are thick, the hall element 4 is installed in the clamping holes 31 close to the installation port 12; when two adjacent arc iron cores are thin, the Hall element 4 is installed in the clamping hole 31 close to the bottom plate 51, so that the Hall element 4 can better measure the magnetic field between the two adjacent arc iron cores.

Referring to fig. 4, hall element 4 is a chip hall, the outer side wall of the chip hall is clamped with the inner side wall of clamping hole 31, and four pins 41 of the chip hall face installation opening 12. The clamping plate 3 is provided with welding pins 32 corresponding to the four pins 41 one by one, the welding pins 32 are positioned on the outer side wall of the clamping plate 3 close to the mounting opening 12, and each pair of the welding pins 32 is connected with the pins 41 through a wire. Offer the trough 33 that corresponds with welding pin 32 on the joint board 3, the wire is located trough 33 to prevent that the wire from knoing each other, be favorable to later stage management and maintenance.

Referring to fig. 1, the PCB includes a first PCB sub-board 8 and a second PCB sub-board 9, the first PCB sub-board 8 is fixedly connected to the bottom plate 51, one end of the second PCB sub-board 9 is connected to the first PCB sub-board 8 through a pin header, the other end of the second PCB sub-board is connected to the mounting base 1, and one end of the second PCB sub-board 9 close to the mounting base 1 is in contact with the welding pins 32, so that the hall element 4 is connected to the second PCB sub-board 9 through the welding pins 32.

Referring to fig. 1, an output port 57 is provided on a side wall of the first baffle 52 facing away from the third baffle 54, one end of the output port 57 is connected to the first PCB daughter board 8, and the other end is connected to an external device, so that the hall element 4 is connected to the external device through the PCB board, and information interaction between the hall current sensor and the external device is enhanced.

The implementation principle of the mounting structure of the detachable hall current sensor in the embodiment of the application is as follows: during the installation, at first with the cladding of casing 5 on the lateral wall of the cable that awaits measuring, press hall element 4 to joint hole 31 in again, stretch into joint board 3 through installing port 12 at last until joint board 3 and support 2 chucking in the joint groove 11. When the hall element 4 is to be replaced, the part of the clamping plate 3, which is positioned outside the clamping groove 11, is held by a hand, the clamping plate 3 is pulled out, the hall element 4 positioned in the clamping hole 31 is pressed towards one of the openings of the clamping hole 31, and the hall element 4 is separated from the clamping plate 3, so that the taking-out work of the hall element 4 is completed. The operation is simple and convenient when the Hall element 4 is installed or replaced, so that the difficulty of replacing the Hall element 4 is reduced.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the disclosure as referred to in the present application is not limited to the solution described above with a particular combination of features.

Claims

1. The utility model provides a detachable hall current sensor's mounting structure which characterized in that: comprises a mounting seat (1), a bracket (2) and a clamping plate (3);

a clamping groove (11) is formed in the mounting seat (1), a mounting opening (12) is formed in the side wall, close to the bottom of the clamping groove (11), of the mounting seat (1), and the mounting opening (12) is communicated with the clamping groove (11);

the support (2) is fixedly arranged on the inner wall of the notch of the clamping groove (11), and the projection of the support (2) to the surface of the mounting seat (1) where the mounting opening (12) is located completely falls into the mounting opening (12);

the clamping plate (3) is located between the support (2) and the mounting port (12), the clamping plate (3) is detachably connected with the support (2), and a clamping hole (31) for placing the Hall element (4) is formed in the clamping plate (3).

2. The detachable hall current sensor mounting structure according to claim 1, wherein: the side wall of the clamping plate (3) facing the mounting opening (12) is provided with a plurality of welding pins (32), and the welding pins (32) are connected with the Hall element (4) located in the clamping holes (31) through wires.

3. The detachable hall current sensor mounting structure according to claim 2, wherein: a plurality of wiring grooves (33) are formed in the clamping plate (3), the wiring grooves (33) correspond to the welding pins (32) one to one, and the wires are located in the wiring grooves (33).

4. The detachable hall current sensor mounting structure according to claim 1, wherein: the clamping holes (31) are multiple.

5. The detachable hall current sensor mounting structure according to claim 1, wherein: support (2) are including baffle (21), first butt joint board (22) and second butt joint board (23), baffle (21) are located the notch department of joint groove (11), baffle (21) one end and first butt joint board (22) one end fixed connection, the other end with the one end fixed connection of second butt joint board (23), the free end of first butt joint board (22) and second butt joint board (23) all faces mounting opening (12), one side that first butt joint board (22) and second butt joint board (23) deviate from each other all with the inside wall fixed connection of joint groove (11).

6. The detachable hall current sensor mounting structure according to claim 5, wherein: the partition plate (21), the first abutting plate (22) and the second abutting plate (23) are integrally formed.

7. The detachable hall current sensor mounting structure according to claim 1, wherein: a first threaded hole (13) is formed in the mounting seat (1), and the mounting seat (1) is fixedly connected with a shell (5) of the Hall current sensor through a screw matched with the first threaded hole (13).

8. The detachable hall current sensor mounting structure according to claim 1, wherein: and a second threaded hole (14) is formed in the mounting seat (1), and the mounting seat (1) is connected with a PCB of the Hall current sensor through a screw matched with the second threaded hole (14).