CN214795164U

CN214795164U - Novel three PIN hall sensor

Info

Publication number: CN214795164U
Application number: CN202120979992.2U
Authority: CN
Inventors: 黄文娟; 蔡玲珑; 韩中国
Original assignee: Shanghai Yunlian Electrical Technology Co ltd
Current assignee: Shanghai Yunlian Electrical Technology Co ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-11-19
Anticipated expiration: 2031-05-10

Abstract

The utility model belongs to the technical field of Hall sensors, and discloses a novel three-PIN Hall sensor, which comprises a Hall sensor body, wherein a cavity is arranged inside the Hall sensor body, a PCB is arranged inside the cavity, an inner cavity is arranged at the bottom end of the cavity, a Hall element is pasted inside the inner cavity through silica gel, PINs are connected on the Hall element, a heat shrink tube is sleeved outside the PINs, a first fixing plate is arranged at the bottom inside the cavity, the Hall element can be ensured to be independent in space by arranging a single inner cavity for installing the Hall element, other elements are prevented from being touched, secondly, the Hall element can be prevented from short circuit by sleeving the heat shrink tube outside the PINs, in addition, the Hall element can be further resisted and pressed by additionally arranging a second fixing plate and an insulating support column, and the Hall element is prevented from being separated from the inner cavity, the stability of hall element installation has been improved.

Description

Novel three PIN hall sensor

Technical Field

The utility model belongs to the technical field of hall sensor, concretely relates to novel three PIN hall sensor.

Background

The magnetic induction sensor is a device for converting a magnetic signal into an electric signal, the hall sensor is one of a plurality of rapid magnetic induction control sensors, the hall sensor is a magnetic field sensor manufactured according to the hall effect, the hall effect is one of the magnetoelectric effects, the hall sensor is widely applied to the aspects of industrial automation technology, detection technology, information processing and the like, and the hall effect is a basic method for researching the performance of a semiconductor material.

But present current hall sensor has certain defect, and the stability of hall element installation is relatively poor in traditional hall sensor, and takes place the short circuit easily, and in addition, hall element's pin does not set up effectual limit structure in traditional hall sensor, and the skew takes place easily for the pin, and then causes contact failure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel three PIN hall sensor to propose the relatively poor problem of hall element installation stability in traditional hall sensor in solving above-mentioned background art, in addition, do not set up effectual limit structure, so that the PIN takes place the problem of skew easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel three PIN hall sensor, includes the hall sensor body, the cavity has been seted up to the inside of hall sensor body, the inside of cavity is equipped with the PCB board, and the bottom of cavity has seted up the inner chamber, the inside of inner chamber is pasted through silica gel and is had hall element, the last PIN that is connected with of hall element, the outside cover of PIN is equipped with the pyrocondensation pipe, first fixed plate is installed to the inside bottom of cavity, the spacing groove has been seted up to the exterior wall of first fixed plate, the second fixed plate is installed to the inside upper end of inner chamber, the last wall of second fixed plate is close to intermediate position department symmetry and has seted up the perforation, the PIN runs through the perforation, the last wall of second fixed plate is close to border position department and is fixed with insulating support post by the annular array.

Preferably, a rubber pad is fixed inside the limiting groove, and anti-skid grains are formed in the outer wall of the rubber pad.

Preferably, the hall sensor body is provided with three needle terminals, and the three needle terminals are distributed in a triangular shape.

Preferably, the inner cavity is of a circular structure, and the inner diameter of the inner cavity is 4-6 mm.

Preferably, lugs are integrally formed on two side portions of the Hall sensor body, and mounting holes are formed in the outer wall of each lug.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a setting up an independent inner chamber and being used for installing hall element, can guaranteeing that hall element's space is independent, avoid touching other components, secondly, establish the pyrocondensation pipe through the pin overcoat, can avoid hall element to take place the short circuit, in addition, through addding the second fixed plate and insulating support post, can further support and press hall element, avoid hall element to break away from the inner chamber, improved the stability of hall element installation.

(2) The utility model discloses an add perforation, first fixed plate and spacing groove, when the pin is connected with the PCB board, can make the pin pass earlier the perforation and carry out tentatively spacing, then will be close to the one end of PCB board and imbed spacing inslot and carry out spacing once more, can prevent effectively that the pin from taking place the skew, avoided the emergence of contact failure phenomenon.

Drawings

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

fig. 2 is a front view of the present invention;

fig. 3 is a top view of a second fixing plate of the present invention;

fig. 4 is a top view of the first fixing plate of the present invention;

FIG. 5 is an enlarged view of portion A of FIG. 1;

in the figure: 1. a Hall sensor body; 2. a pin-type terminal; 3. a cavity; 4. a PCB board; 5. an inner cavity; 6. a Hall element; 7. a first fixing plate; 8. a pin; 9. heat shrink tubing; 10. a second fixing plate; 11. perforating; 12. an insulating support pillar; 13. a limiting groove; 14. a rubber pad; 15. a lug.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: a novel three-PIN Hall sensor comprises a Hall sensor body 1, a cavity 3 is arranged in the Hall sensor body 1, a PCB 4 is arranged in the cavity 3, an inner cavity 5 is arranged at the bottom end of the cavity 3, a Hall element 6 is adhered in the inner cavity 5 through silica gel, PINs 8 are connected on the Hall element 6, a heat shrink tube 9 is sleeved outside the PINs 8, a first fixing plate 7 is arranged at the bottom of the inner part of the cavity 3, a limiting groove 13 is arranged on the outer wall of the first fixing plate 7, a second fixing plate 10 is arranged at the upper end of the inner part of the inner cavity 5, through holes 11 are symmetrically arranged on the upper surface wall of the second fixing plate 10 close to the middle position, the PINs 8 penetrate through the through holes 11, insulating support posts 12 are fixed on the upper surface wall of the second fixing plate 10 close to the edge position in an annular array manner, the inner cavity 5 is used for installing the Hall element 6, and the space independence of the Hall element 6 can be ensured, avoid touching other components, secondly, establish pyrocondensation pipe 9 through at pin 8 overcoat, can avoid hall element 6 to take place the short circuit, in addition, support post 12 through addding second fixed plate 10 and insulation, can further support and press hall element 6, avoid hall element 6 to break away from inner chamber 5, the stability of hall element 6 installation has been improved, in addition, when pin 8 is connected with PCB board 4, can make pin 8 pass earlier perforation 11 and tentatively spacing, then will be close to PCB board 4 one end embedding to spacing inslot 13 spacing once more, can prevent effectively that pin 8 from taking place the skew, the emergence of contact failure phenomenon has been avoided.

Further, a rubber pad 14 is fixed inside the limiting groove 13, anti-skid grains are formed on the outer wall of the rubber pad 14, and the rubber pad with the anti-skid grains is in contact with the pins 8, so that the embedding stability of the pins 8 can be improved.

Further, install three needle type terminal 2 on the hall sensor body 1, three needle type terminal 2 is triangular distribution, and the mounting hole size and the terminal interference fit of wearing out needle type terminal 2 on the hall sensor body 1.

Further, the inner cavity 5 is of a circular structure, the inner diameter of the inner cavity 5 is 4-6 mm, and the inner cavity is matched with the Hall element 6.

Further, both sides of the hall sensor body 1 are integrally formed with lugs 15, mounting holes are formed in the outer wall of the lugs 15, and the sensor can be stably mounted and fixed by the lugs 15 with the mounting holes.

The utility model discloses a theory of operation and use flow: the utility model discloses a when using, install hall element 6 through utilizing solitary inner chamber 5, can guarantee that hall element 6's space is independent, avoid touching other components, wherein, through establishing pyrocondensation pipe 9 at pin 8 overcoat, can avoid hall element 6 to take place the short circuit, in addition, support post 12 through addding second fixed plate 10 and insulation, can further support and press hall element 6, avoid hall element 6 to break away from in inner chamber 5, the stability of hall element 6 installation has been improved, in addition, when pin 8 is connected with PCB board 4, can make pin 8 pass earlier perforation 11 and tentatively spacing, then it is spacing once more in embedding the spacing groove 13 of seting up on first fixed plate 7 with the one end that is close to PCB board 4 again, can prevent effectively that pin 8 from taking place the skew, the emergence of contact failure phenomenon has been avoided.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel three PIN hall sensor which characterized in that: including hall sensor body (1), cavity (3) have been seted up to the inside of hall sensor body (1), the inside of cavity (3) is equipped with PCB board (4), and cavity (3) bottom has seted up inner chamber (5), the inside of inner chamber (5) is pasted through silica gel has hall element (6), be connected with pin (8) on hall element (6), the outside cover of pin (8) is equipped with pyrocondensation pipe (9), first fixed plate (7) are installed to the inside bottom of cavity (3), spacing groove (13) have been seted up to the exterior wall of first fixed plate (7), second fixed plate (10) are installed to the inside upper end of inner chamber (5), the last wall of second fixed plate (10) is close to intermediate position department symmetry and has seted up perforation (11), pin (8) run through perforation (11), the last wall of second fixed plate (10) is close to border position department and is the annular array and is fixed with insulating support post (12).

2. The novel three-PIN hall sensor of claim 1 wherein: a rubber pad (14) is fixed inside the limiting groove (13), and anti-skid grains are formed in the outer wall of the rubber pad (14).

3. The novel three-PIN hall sensor of claim 1 wherein: the Hall sensor is characterized in that three needle-shaped terminals (2) are mounted on the Hall sensor body (1), and the three needle-shaped terminals (2) are distributed in a triangular shape.

4. The novel three-PIN hall sensor of claim 1 wherein: the inner cavity (5) is of a circular structure, and the inner diameter of the inner cavity (5) is 4-6 mm.

5. The novel three-PIN hall sensor of claim 1 wherein: both sides of the Hall sensor body (1) are integrally formed with lugs (15), and mounting holes are formed in the outer wall of each lug (15).