CN110082581B

CN110082581B - Hall current sensor framework

Info

Publication number: CN110082581B
Application number: CN201910401342.7A
Authority: CN
Inventors: 许涛; 王阳; 刘强; 赵旭; 钟贻兵; 吕春艳; 牟宏杰
Original assignee: Shandong Institute of Space Electronic Technology
Current assignee: Shandong Institute of Space Electronic Technology
Priority date: 2019-05-15
Filing date: 2019-05-15
Publication date: 2021-04-30
Anticipated expiration: 2039-05-15
Also published as: CN110082581A

Abstract

The invention discloses a Hall current sensor framework, which comprises a framework shell, a framework cover plate, a hollow cross beam and a plugging cap, wherein the framework shell is connected with the framework cover plate through the hollow cross beam, a trapezoidal clamping table is arranged at the rear lower end of the plugging cap, grooves I are respectively arranged on the left side surface and the right side surface of the front upper end of the plugging cap, an embedding groove which is embedded with the trapezoidal clamping table is arranged at the top of the framework shell, the trapezoidal clamping table is embedded into the embedding groove, an installation groove for installing a Hall element is arranged at the bottom of the framework shell, and the framework cover plate is movably connected with the hollow cross beam. The framework shell and the framework cover plate can be disassembled and assembled, so that the current coil is convenient to install and replace; the framework shell and the blocking cap can be disassembled and assembled, so that the Hall element can be conveniently installed and replaced, and the manufacturing efficiency is improved.

Description

Hall current sensor framework

Technical Field

The invention relates to a sensor framework, in particular to a Hall current sensor framework.

Background

The Hall sensor framework mainly plays a role in positioning the Hall element and supporting the current coil. The existing Hall current sensor framework adopts an integrated structure, the installation operation of a current coil is to wind and form an enameled wire on a framework cross beam, and the replacement operation of the current coil is to take off the enameled wire by restoring the enameled wire from the framework cross beam to be a straight line. In addition, the replacement operation of the hall element requires the entire frame to be removed from the printed board. This integrated structure does not facilitate the installation and replacement of the current coil and the hall element.

Disclosure of Invention

The invention provides a detachable Hall current sensor framework, which aims to solve the technical problems that an existing Hall current sensor framework integrated structure is inconvenient for installation and replacement of a current coil and a Hall element and the like.

In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a hall current sensor skeleton, includes skeleton casing, skeleton apron and hollow beam, connect through the hollow beam between skeleton casing and the skeleton apron, skeleton casing bottom and skeleton apron bottom all are equipped with several support columns and welding pin, support column and welding pin interval distribution, its characterized in that: still include stifled cap, the lower extreme is equipped with trapezoidal ka tai behind the stifled cap, upper end left surface and right flank all are equipped with recess I before the stifled cap, skeleton casing up end is equipped with rectangle recess II, skeleton casing top is equipped with the gomphosis groove with the trapezoidal ka tai looks gomphosis of stifled cap, gomphosis groove top side is equipped with the dogtooth with I block of stifled cap recess, the trapezoidal ka tai embedding gomphosis inslot of stifled cap, in the dogtooth embedding recess I, skeleton casing bottom is equipped with the mounting groove that is used for installing hall element, the mounting groove link up with the centre bore of gomphosis groove and hollow cross beam respectively and link up

The framework shell and the hollow cross beam are integrally formed, the framework cover plate is movably connected with the hollow cross beam, the hollow cross beam is provided with a U-shaped buckle at the connecting end with the framework cover plate, the end part of the buckle is provided with a wedge-shaped clamping hook, the center of the framework cover plate is provided with a square hole, the side wall of the square hole is provided with a clamping groove of the clamping hook, and the clamping hook is clamped on the clamping groove after the buckle passes through the square hole.

Further, the method comprises the following steps of; the frame apron is equipped with two tenons towards frame shell one side, two tenons are established respectively in the quad slit both sides, cavity crossbeam outer wall cup joints annular baffle, annular baffle is close to the buckle end, the last two mortises that are equipped with of annular baffle, after the buckle passed the quad slit, two tenons imbed annular baffle's two mortises respectively in the mortise.

Further, the method comprises the following steps of; the bottom of the framework shell and the bottom of the framework cover plate are respectively provided with three support columns and two welding needles.

Further, the method comprises the following steps of; the framework material is polyester resin.

Compared with the Hall current sensor framework in the prior art, the technical scheme provided by the invention has the following beneficial effects: the framework cover plate and the hollow beam can be disassembled and assembled, so that the current coil is convenient to install and replace. The current coil can be installed after being molded, and the current coil can be directly taken down from the framework for replacement. And (II) the framework shell and the blocking cap can be disassembled and assembled, so that the Hall element is convenient to install and replace, and the manufacturing efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a connection structure of a framework shell and a hollow cross beam provided by the present invention;

FIG. 3 is a schematic view of a connection structure of the framework shell and the hollow beam provided by the present invention;

FIG. 4 is a left side view of the skeletal cover provided by the present invention;

FIG. 5 is a right side view of the skeletal cover provided by the present invention;

FIG. 6 is a front view of the blanking cap provided by the present invention;

FIG. 7 is a left side view of the blanking cap provided by the present invention;

FIG. 8 is a schematic structural view of a blanking cap provided by the present invention;

FIG. 9 is an exploded view of the present invention provided prior to assembly;

FIG. 10 is a schematic view of the assembled structure provided by the present invention.

Wherein: a framework shell; 2. a framework cover plate; 3. a plugging cap; 4. a hollow cross beam; 5 a Hall element; 6. a current coil; 11. a groove II; 12. a baffle plate; 13. buckling; 14. b, mortise drilling; 15. a fitting groove; 16. a convex tooth; 17. mounting grooves; 18. a hook is clamped; 21. a square hole; 22. a tenon; 23. a card slot; 24. a support pillar; 25. welding pins; 31. a groove I; 32. a trapezoidal clamping table.

Detailed Description

Example (b):

as shown in fig. 1 to 10, the hall current sensor framework comprises a framework shell 1, a framework cover plate 2, a hollow cross beam 4 and a plugging cap 3, wherein the sensor framework is made of polyester resin PBT (G30), the framework shell 1 and the framework cover plate 2 are connected through the hollow cross beam 4, three support columns 24 and two welding pins 25 are respectively arranged at the bottom of the framework shell 1 and the bottom of the framework cover plate 2, and the support columns 24 and the welding pins 25 are distributed at intervals.

The lower extreme is equipped with trapezoidal ka tai 32 behind stifled cap 3, upper end left surface and right flank all are equipped with recess I31 before stifled

cap

3, 1 top up end of skeleton casing is equipped with rectangle recess II 11, 1 top of skeleton casing is equipped with the gomphosis groove 15 with the trapezoidal ka tai 32 looks gomphosis of stifled

cap

3, 15 top sides of gomphosis groove are equipped with the dogtooth 16 with the I31 block of stifled cap recess, trapezoidal ka tai 32 embedding gomphosis inslot 15, 16 gomphosis grooves I31 of dogtooth, the design of dogtooth 16 can prevent that stifled cap 3 is not hard up. The bottom of the framework shell 1 is provided with an installation groove 17 for installing the Hall element 5, and the installation groove 17 is respectively communicated with the embedding groove 15 and the central hole of the hollow cross beam 4.

Skeleton casing 1 and hollow beam 4 are integrated into one piece, be swing joint between skeleton apron 2 and the hollow beam 4, hollow beam 4 is equipped with U type buckle 13 at the link with skeleton apron 2, the buckle 13 tip is equipped with wedge trip 18, skeleton apron 2 center is equipped with quad slit 21, quad slit 21 lateral wall is equipped with the draw-in groove 23 of joint trip 18.

Skeleton apron 2 is equipped with two tenons 22 towards 1 one side of skeleton casing, two tenons 22 are established respectively in quad slit 21 both sides, 4 outer walls of cavity crossbeam cup joint annular baffle 12, annular baffle 12 is close to buckle 13 end, be equipped with two mortises 14 on the annular baffle 12, buckle 13 passes after quad slit 21, and trip 18 card is on draw-in groove 23, and two tenons 22 imbed respectively in two mortises 14 of annular baffle 12.

The assembly and use process of the sensor framework is as follows:

(1) sleeving a wound current coil 6 on a hollow beam 4 of the framework shell 1;

(2) the framework cover plate 2 is assembled with the hollow beam 4 with the welding pins 25 facing the same side. The buckle 13 of the framework shell 1 penetrates through the square hole 21 to be clamped with the framework cover plate 2, and meanwhile, the tenon 22 of the framework cover plate 2 is embedded into the mortise 14 of the circular baffle plate 12;

(3) mounting the Hall element 5 from top to bottom, and enabling the Hall element 5 to penetrate through the embedding groove 15 above the framework shell 1 and enter the mounting groove 17 below;

(4) the trapezoidal clamping table 32 is embedded into the embedding groove 15 and the convex tooth 16 is embedded into the groove I31 by pressing the plugging cap 3.

(5) If the current coil 6 needs to be replaced, the buckle 13 of the framework shell 1 is pressed, the framework cover plate 2 is separated from the hollow cross beam 4, the replaced current coil 6 is taken out, the coil to be replaced is prepared, and the step (1) and the step (2) are repeated.

(6) If the Hall element 5 needs to be replaced, the plugging cap 3 is pulled out upwards to be separated from the framework shell 2, and then the Hall element 5 passes through the embedding groove 15 upwards from the mounting groove 17 and is taken out; and (5) preparing the Hall element 5 to be replaced, and repeating the step (3) and the step (4).

After the sensor framework is integrally assembled, the magnetic core is clamped and connected through the framework shell 1 and the framework cover plate 2, penetrates through the framework cover plate 2, is inserted into a center hole of the hollow cross beam 4, is supported on a printed board through the support column 24, and is welded on the printed board through the welding pin 25.

The above-described embodiments are merely preferred embodiments of the present invention, which is not intended to be limiting in any way, and other variations and modifications are possible without departing from the scope of the invention as set forth in the appended claims.

In the description of the present invention, it is to be understood that the terms indicating an orientation or positional relationship are based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Claims

1. The utility model provides a hall current sensor skeleton, includes skeleton casing, skeleton apron and hollow beam, connect through the hollow beam between skeleton casing and the skeleton apron, skeleton casing bottom and skeleton apron bottom all are equipped with several support columns and welding pin, support column and welding pin interval distribution, its characterized in that: the plug cap is characterized by further comprising a plug cap, a trapezoidal clamping table is arranged at the rear lower end of the plug cap, grooves I are formed in the left side face and the right side face of the front upper end of the plug cap, a rectangular groove II is formed in the upper end face of the framework shell, an embedding groove which is embedded with the trapezoidal clamping table of the plug cap is formed in the top of the framework shell, a convex tooth which is clamped with the groove I of the plug cap is arranged on the side face of the top of the embedding groove, the trapezoidal clamping table of the plug cap is embedded into the embedding groove, the convex tooth is embedded into the groove I, a mounting groove for mounting a Hall element is formed in the bottom of the framework shell, and the mounting groove is communicated;

the framework shell and the hollow cross beam are integrally formed, the framework cover plate is movably connected with the hollow cross beam, a U-shaped buckle is arranged at the connecting end of the hollow cross beam and the framework cover plate, a wedge-shaped clamping hook is arranged at the end part of the buckle, a square hole is formed in the center of the framework cover plate, a clamping groove for clamping the clamping hook is formed in the side wall of the square hole, and the clamping hook is clamped on the clamping groove after the buckle passes through the square hole;

the frame apron is equipped with two tenons towards frame shell one side, two tenons are established respectively in the quad slit both sides, cavity crossbeam outer wall cup joints annular baffle, annular baffle is close to the buckle end, the last two mortises that are equipped with of annular baffle, after the buckle passed the quad slit, two tenons imbed annular baffle's two mortises respectively in the mortise.

2. The hall current sensor skeleton of claim 1, wherein: the bottom of the framework shell and the bottom of the framework cover plate are respectively provided with three support columns and two welding needles.

3. The hall current sensor skeleton of claim 1, wherein: the framework material is polyester resin.