CN217522322U

CN217522322U - Hall assembly

Info

Publication number: CN217522322U
Application number: CN202221243649.2U
Authority: CN
Inventors: 彭月婷; 吴晓凤; 冯喆; 吕丽鹏; 崔海颖; 牛锴
Original assignee: Shanxi Fenxi Heavy Industry Co Ltd
Current assignee: Shanxi Fenxi Heavy Industry Co Ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-09-30
Anticipated expiration: 2032-05-23

Abstract

The embodiment of the utility model discloses hall subassembly, include: hall devices and cables; a wiring socket is arranged at the wiring position of the Hall device; one end of the cable is provided with a wiring plug, and the wiring socket is matched with the wiring plug to realize electrical connection. One end of the wiring socket wraps four wires through a vulcanization process to form a vulcanized cable which is welded with a circuit board of the controller correspondingly, so that the quality risk of secondary welding of external wiring terminals of the Hall device is avoided; the Hall device is vulcanized and fixed with the wiring socket, and the wiring socket is fixedly connected with the wiring socket in an inserting mode, so that the Hall device has the reliable characteristic of high-frequency vibration resistance; the plug is connected with the socket in a fastening mode, the influence of external force damage on the connection of the bonding pads inside the Hall device is avoided, and the quality stability of the Hall device is improved.

Description

Hall assembly

Technical Field

The utility model relates to a hall device field especially relates to a hall subassembly.

Background

The Hall device is a magnetoelectric transducer made of semiconductor material, and is made according to Hall effect principle, and is applied to ampere's law, i.e. a magnetic field proportional to the current is generated around the current-carrying conductor, and the Hall device is used for measuring the magnetic field, so that the non-contact measurement of the current becomes possible.

The hall current sensor goods shelf (hereinafter referred to as hall device) used in the motor controller generally has the following structure: the exposed four binding posts are connected with the circuit board bonding pad in the Hall device through vulcanization, and the four binding posts are extremely easy to be collided or broken due to external force in view of the vulcanization fastening characteristic.

The Hall device and the controller are used for carrying out acceleration of 10m/s at the frequency of 1-50 Hz ² The duration of the vibration test is 2h, so that the connection reliability of the four binding posts of the Hall current sensor and the wire is very important.

The end parts of four binding posts of the Hall device are correspondingly welded with four signal leading-out wires through soldering, then a heat-shrinkable tube is sleeved outside a welding point for protection and insulation, and finally the four binding posts (including the welding point) are encapsulated and sealed by using silicon rubber 704. The cured silicon rubber has poor mechanical properties such as tensile strength, tearing strength and the like, and the viscosity of the bottom surface is low, so that when external force is applied to a wiring position, the wiring position is difficult to be absolutely protected, repeated disassembly and assembly and detection lead to loosening of a welding position or breakage of the wiring terminal, and finally a Hall current sensor cannot normally acquire signals, and the controller reports overcurrent and overvoltage protection faults, and the fault rate reaches 10%.

The above problems require process engineering and structure modification to improve yield.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a hall subassembly sets up wiring plug and connection socket with wiring department, has improved the reliability of connecting, appears the pine when avoiding vibrating to realize taking off to solve among the prior art hall device terminal and easily split, hall device is connected not tight real problem with the controller.

In order to achieve the above object, an embodiment of the present invention provides a hall assembly, including: hall devices and cables; a wiring socket is arranged at the wiring position of the Hall device; and one end of the cable is provided with a wiring plug, and the wiring socket is matched with the wiring plug to realize electrical connection.

Further optionally, the connection plug side of the cable is provided with an anti-falling lock catch, and when the connection socket is inserted into the connection plug, the connection socket is fastened through the anti-falling lock catch.

Further optionally, a guide post is arranged on one side of the hall device and used for directional installation.

Further optionally, the hall device is provided with a fixed mounting hole on the same side as the guide post.

Further optionally, the cable includes an integrally formed plug part and a cable part; the plug part and the cable part form an angle of 90 degrees; the end part of the plugging part is provided with a wiring plug, and the tail part cable of the cable part is stripped and is used for being connected with a controller.

Further optionally, a limiting groove is formed in the inner wall of the connection socket; and the outer wall of the wiring plug is provided with a limiting boss corresponding to the limiting groove.

Further optionally, four jacks are arranged inside the connection socket, and the four jacks are evenly distributed in an inner hole of the connection socket in a square shape; the end part of the connection plug is provided with four contact pins corresponding to the four jacks, and the four contact pins are evenly distributed at the end part of the connection plug in a square mode.

Further optionally, the inner diameter of the connection socket is 6 mm.

Further optionally, the inner diameter of the terminal plug is 5.5 mm.

The technical scheme has the following beneficial effects: one end of the wiring socket wraps four wires through a vulcanization process to form a vulcanized cable and is correspondingly welded with a circuit board of the controller, so that the quality risk of a secondary welding of an external wiring terminal of the Hall device is avoided; the Hall device is vulcanized and fixed with the wiring socket, and the wiring socket is fixedly connected with the wiring socket in an inserting mode, so that the Hall device has the reliable characteristic of high-frequency vibration resistance; the plug is connected with the socket in a fastening mode, the influence of external force damage on the connection of the bonding pads inside the Hall device is avoided, and the quality stability of the Hall device is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a connection structure between a hall device and a cable in a hall assembly according to an embodiment of the present invention;

fig. 2 is a schematic view of a connection structure of a hall device and a cable at another angle in a hall assembly according to an embodiment of the present invention.

Reference numerals: 1-Hall device 101-wiring socket 102-guide post 103-fixed mounting hole 2-cable 201-wiring plug

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 efforts all belong to the protection scope of the present invention.

For the easy cracked problem of terminal of solving among the prior art hall device, the embodiment of the utility model provides a hall subassembly, include: a Hall device 1 and a cable 2; a wiring socket 101 is arranged at the wiring position of the Hall device; one end of the cable is provided with a connection plug 201, and the connection plug 201 is matched with the connection socket 101 to realize electrical connection.

Fig. 1 is the connection structure diagram of hall device and cable in the hall subassembly that the embodiment of the utility model provides, as shown in fig. 1, hall device 1's wiring department is connected with cable 2, and the two is for dismantling the connection. Fig. 2 is the embodiment of the utility model provides a connection structure schematic diagram of another angle of hall device and cable among the hall subassembly, as shown in fig. 2, be equipped with connection socket 101 on the

hall device

1, 2 one ends of cable are equipped with wiring plug 201, and the plug parts with the socket, can satisfy hall device 1's normal capability test demand, and can avoid the heart yearn to cause the unusual problem of hall device 1 collection data because of external force is impaired completely. The connection socket 101 and the connection plug 201 can be plugged or pulled out according to the requirement, so as to meet the flexible plugging requirement in the process.

Specifically, the connection socket 101 is cylindrical, hollow, and has a receptacle. The terminal plug 201 is also cylindrical, and the end portion of the terminal plug is provided with four pins for being inserted into the jacks to realize electrical connection.

As an alternative embodiment, the connection plug 201 side of the cable 2 is provided with an anti-release latch, and when the connection plug 201 is inserted into the connection socket 101, the anti-release latch is used for fastening.

Wherein, the cable 2 is a four-core cable 2, and the connection plug 201 is provided with four contact pins respectively corresponding to the four-core cable 2. After the wiring plug 201 of the cable 2 and the wiring socket 101 of the Hall device 1 are installed in place, the anti-falling lock catch is screwed, and the cable at the tail part of the cable 2 is stripped and then welded with the corresponding welding point on the circuit board of the controller, so that the assembly space is saved.

As an alternative embodiment, the Hall device is provided with a guide post on one side for directional installation.

The bottom of the hall device 1 is provided with a guide post 102, and as shown in fig. 2, the bottom is provided with three cylindrical structures, and the three cylindrical structures are distributed in a triangular shape.

Correspondingly, the device connected with the hall device 1 can be correspondingly provided with a guide hole, when the hall device 1 is installed with the device, the guide post 102 is firstly correspondingly inserted into the guide hole, and at the moment, the guide post 102 plays a role in positioning and orienting, so that the installation error can be effectively prevented.

As an alternative embodiment, the hall device installation guide post 102 is provided with a fixed installation hole 103 on the same side.

As shown in fig. 2, a first fixing hole 103 is formed in the bottom of the hall device 1, i.e., on the same side as the guide post 102. When the guiding column 102 of the hall device 1 is inserted into the guiding hole of the corresponding connecting device, it indicates that the hall device 1 has completed the orientation and positioning, and at this time, the fixed mounting hole 103 corresponds to the fixed mounting hole of the corresponding connecting device, and the two can be fastened by the connecting piece.

As an alternative embodiment, the fixing and mounting hole 103 is a screw hole, and is connected with the corresponding connecting device through a screw.

As an alternative embodiment, the cable 2 includes a plug part and a cable part which are integrally formed; the plug part and the cable part form an angle of 90 degrees; the end of the plug part is provided with a wiring plug 201, and the tail part cable of the cable part is stripped for connecting with a controller.

The cable 2 comprises a plugging part and a cable part, and the plugging part and the cable part are in a vertical state, so that the assembly space is greatly saved. The plug part comprises a wiring plug 201, and a tail cable 2 of the cable part is stripped and is used for being connected with a circuit board of the controller in a welding mode. The cable 2 divided into two parts can reduce the occupied space and facilitate the connection of the two ends of the cable 2.

As an optional implementation mode, the inner wall of the wiring plug is provided with a limiting groove; the outer wall of the wiring socket is provided with a limiting boss corresponding to the limiting groove.

As an optional implementation manner, the connection socket 101 and the connection plug 201 are respectively provided with a limiting boss and a limiting groove to perform an alignment function, so as to prevent the pins from being inserted in a wrong manner.

As an alternative embodiment, the anti-release lock catch is connected with the connection plug by screw locking.

The connecting mode of the anti-falling lock catch is adopted, so that the connecting reliability of the cable 2 plugging structure is high, the frequency of 1-50 Hz can be completely met, and the acceleration is 10m/s ² 2h vibration requirement.

As an alternative embodiment, four insertion holes are formed inside the connection socket 101, and the four insertion holes are evenly distributed in the inner hole of the connection socket in a square shape; the end of the connection plug 201 is provided with four contact pins corresponding to the four jacks, and the four contact pins are evenly distributed on the end of the connection plug in a square mode.

As an alternative embodiment, the internal diameter of the connection socket is 6 mm.

As an alternative embodiment, the inner diameter of the connection plug is 5.5 mm.

The connection socket 101 is a socket which is vulcanized and fixed with the bearing surface of the hall device. Having an inner bore diameter of

4 jacks are uniformly distributed in a square shape

In the inner bore.

The connection plug 201 is a 90-degree right-angle plug with an inner diameter of

4 contact pins are evenly distributed in a square shape and are fixed through vulcanization. The connection plug 201 is inserted into the jack of the connection socket 101 and fastened by the anti-drop lock catch to realize electrical connection. The Hall device electrical connection with the above structure designed for specific assembly applicationAnd then the implementation is carried out.

The technical scheme has the following beneficial effects: one end of the wiring socket wraps four wires through a vulcanization process to form a vulcanized cable and is correspondingly welded with a circuit board of the controller, so that the quality risk of a secondary welding of an external wiring terminal of the Hall device is avoided; the Hall device is vulcanized and fixed with the wiring socket, and the wiring socket is inserted and fastened, so that the Hall device has the reliable characteristic of high-frequency vibration resistance; the plug is connected with the socket in a fastening mode, the influence of external force damage on the connection of the bonding pads inside the Hall device is avoided, and the quality stability of the Hall device is improved.

The above embodiments of the present invention have been described in further detail to achieve the objects, technical solutions and advantages of the present invention, and it should be understood that the above embodiments are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A hall assembly, comprising:

hall devices and cables;

a wiring socket is arranged at the wiring position of the Hall device;

and one end of the cable is provided with a wiring plug, and the wiring socket is matched with the wiring plug to realize electrical connection.

2. The hall assembly of claim 1 wherein:

the anti-falling lock catch is arranged on the side of the wiring plug of the cable, and when the wiring plug is inserted into the wiring socket, the anti-falling lock catch is used for fastening.

3. The hall assembly of claim 1 wherein:

and one side of the Hall device is provided with a guide post for directional installation.

4. The hall assembly of claim 1 wherein:

and the Hall device is provided with a fixed mounting hole at the same side of the guide post.

5. The hall assembly of claim 1 wherein:

the cable comprises an integrally formed plug part and a cable part;

the plug part and the cable part form an angle of 90 degrees;

the end part of the plugging part is provided with a wiring plug, and a tail cable of the cable part is stripped and is used for being connected with a controller.

6. The hall assembly of claim 1 wherein:

the inner wall of the wiring socket is provided with a limiting groove;

and the outer wall of the wiring plug is provided with a limiting boss corresponding to the limiting groove.

7. The hall assembly of claim 2 wherein:

the anti-falling lock catch is connected with the wiring socket in a locking mode through threads.

8. The hall assembly of claim 1 wherein:

four jacks are arranged inside the connection socket, and the four jacks are evenly distributed in an inner hole of the connection socket in a square shape;

the end part of the connection plug is provided with four contact pins corresponding to the four jacks, and the four contact pins are evenly distributed at the end part of the connection plug in a square mode.

9. The hall assembly of claim 1 wherein:

the internal diameter of the connection socket is 6 mm.

10. The hall assembly of claim 1 wherein:

the internal diameter of the wiring plug is 5.5 mm.