CN210862718U

CN210862718U - High-reliability Hall odometer

Info

Publication number: CN210862718U
Application number: CN201922304082.XU
Authority: CN
Inventors: 宋敏; 张珉; 谷庭军; 范源
Original assignee: Hunan Zhihang Joint Test Technology Co ltd
Current assignee: Hunan Zhihang Joint Test Technology Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-06-26
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses a high reliable hall odometer, include: the shell, the electric connecting seat and the elastic support frame; the electric connecting seat is hermetically connected with the opening of the shell through threads, and the elastic supporting frame is arranged inside the shell; the tail part of the elastic support frame is arranged at the top of the electric connection seat, and the bottom of the electric connection seat is provided with an electric connection post connected with the outside; the elastic support frame comprises a central column and an elastic arm; the central column is provided with a sensor, a magnet and a circuit board assembly, the sensor is fixed at one end of the central column, the magnets are uniformly arranged around the central column, the center of the circuit board assembly is provided with a through hole for accommodating the central column, and an elastic gasket is arranged between the circuit board assembly and the central column; the side end of the circuit board assembly is supported on the inner wall of the shell; the sensor, the circuit board assembly and the electric connecting seat are electrically connected through a lead. The designed high-reliability Hall odometer is convenient to disassemble and repair; the device can adapt to high-temperature working environment; the impact on the internal structure can be reduced.

Description

High-reliability Hall odometer

Technical Field

The utility model belongs to the odometer field, concretely relates to high reliable hall odometer.

Background

With the development of the logistics industry, trailers are continuously updated and developed, and trailer accessories are also continuously developed, wherein the odometer is an important small accessory, and the Hall odometer is widely used among the odometers. The Hall odometer is a device which is designed by utilizing a Hall element and can calculate the driving mileage. The method can be used for calculating mileage and accurately navigating, provides a reference for timely maintenance, and improves driving safety. However, the currently used hall odometer has some problems, and for some of the problems, the patent: the invention discloses a waterproof Hall odometer (CN 108801290A) easy to maintain, which is simple in structure, and found in practical use that the internal structure of the waterproof Hall odometer is inconvenient to disassemble, an internal circuit board is easy to heat, and a support of a fixing plate can cause great impact on internal elements to seriously influence measured data.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a highly reliable odometer which is convenient to disassemble and repair; the paint can resist high temperature and water; reducing the impact on the internal structure.

In order to achieve the above object, the utility model provides a following technical scheme: a highly reliable hall odometer comprising: the electric connecting seat is hermetically connected with an opening of the shell through threads, a sealing ring is arranged at the contact part of the shell and the electric connecting seat, and the sealing ring can prevent water and oil; the elastic supporting frame is arranged inside the shell; the tail part of the elastic supporting frame is arranged at the top of the electric connecting seat, the tail part of the elastic supporting frame refers to the part which enters the shell at last when the elastic supporting frame is arranged in the shell, and the top part of the electric connecting seat refers to the part which is arranged at first when the elastic supporting frame is arranged in the shell; the bottom of the electric connection seat is provided with an electric connection post connected with the outside, and the bottom of the electric connection seat is the bottom opposite to the top of the electric connection seat; the elastic support frame is provided with a sensor, a magnet and a circuit board assembly; the sensor, the circuit board assembly and the electric connecting seat are electrically connected through a lead.

As a further improvement of the above technical solution:

the elastic supporting frame comprises a central column and an elastic arm; the sensor is fixed at one end of the central column, and the shape of the central column can be a cylinder or a polygon prism; the magnets are uniformly arranged around the central column and are bonded on the column through glue; the circuit board assembly is fixedly installed on the center column, an elastic gasket is arranged between the circuit board assembly and the center column, the circuit board assembly is elastically supported on the inner wall of the shell, and impact can be reduced through the elastic piece circuit board assembly.

The through hole and the groove for accommodating the conducting wire are formed in the central column, and the conducting wire is arranged in the through hole pipeline, so that the interior of the odometer is tidy, and the chaotic condition of the conducting wire is avoided. The elastic arm comprises a fixed arm, a pulley arm with a first pulley and a first spring; the fixed arm is hinged with the pulley arm, one end of the first spring is fixed on the fixed arm, the other end of the first spring is fixed on the pulley arm, and the first spring is used for limiting the rotation of the pulley arm.

The circuit board assembly comprises a circuit board and a supporting seat; the supporting seat comprises a seat body, radiating fins which are arranged at the bottom of the seat body and are uniformly distributed, and a heat-conducting colloid arranged at the top of the seat body, wherein the circuit board can generate heat in work, or the work of the circuit board is influenced by too high ambient temperature, and the radiating fins are adopted to reduce the temperature of the circuit board. The pulley assembly that the casing supported, the structure of pulley assembly and the contact of shells inner wall are the second pulley, have a holding on the support of second pulley the spout of lug on the pedestal, the inside second spring lug that is provided with of spout can remove in the spout, and the joining of second spring can restrict the removal of lug, nevertheless receives when assaulting at the casing, and the impact that the circuit board received can be slowed down to the spring.

The number of the elastic arms is not less than 3, at least 3 are provided in consideration of the stability of the center post, and the other number of the elastic arms may have different effects but must be uniformly arranged.

The number of the brackets is not less than two, and the number of the brackets can be only two at least because the central column is designed for supporting.

Compared with the prior art, the utility model, following beneficial effect has:

through the design of pulley and screw thread for the speed of odometer dismantlement has improved the facility for the maintenance of odometer. The design of multiple springs and elastic structures makes the internal elements of the odometer difficult to be impacted by the outside, and reduces the loss caused by impact. The circuit board heat dissipation device provides the normal use temperature of the circuit board, ensures the accuracy of data and prolongs the service life of equipment.

Drawings

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

fig. 2 is a schematic structural view of embodiment 2 of the present invention;

fig. 3 is an enlarged view of the elastic support according to embodiment 2 of the present invention;

fig. 4 is an enlarged view of a circuit board assembly according to embodiment 2 of the present invention;

fig. 5 is a plan view of embodiment 2 of the present invention.

1. A housing; 2. an electrical connection socket; 3. an elastic support frame; 4. a sensor; 5. a magnet; 6. a circuit board assembly; 7. a supporting seat; 8. an elastic pad; 9. a wire; 21. connecting a power post; 22. a seal ring; 31. a central column; 32. a resilient arm; 61. a circuit board; 71. a base body; 72. a heat sink; 73. heat conducting glue; 74. a sheave assembly; 75. a support; 76. a second spring; 321. a fixed arm; 322. a pulley arm; 323. a first spring; 711. and (4) a bump.

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.

The utility model discloses the technical scheme of well each embodiment can make up, and technical feature in the embodiment does to make up and forms new technical scheme.

Example 1

As shown in fig. 1, the high-reliability hall odometer of the present embodiment includes: the electric connection seat 2 is hermetically connected with an opening of the shell 1 through threads, a sealing ring 22 is arranged at the contact position of the shell 1 and the electric connection seat 2, and the electric connection seat further comprises an elastic support frame 3; the elastic support frame 3 is arranged inside the shell 1; the tail part of the elastic support frame 3 is arranged at the top of the electric connection seat 2, and the bottom of the electric connection seat 2 is provided with an electric connection post 21 connected with the outside; the sensor 4, the magnet 5 and the circuit board assembly 6 are arranged on the elastic support frame 3; the sensor 4, the circuit board assembly 6 and the electric connection seat 2 are electrically connected through a lead 9. The elastic support frame 3 comprises a central column 31 and an elastic arm 32; the sensor 4 is fixed at one end of the central column 31 through gluing, the magnet 5 is evenly glued on the central column 31, and the circuit board assembly 6 is fixedly arranged on the central column 31 through gluing. The central post 31 has a through hole and a groove therein for receiving the lead wire 9.

Example 2

As shown in fig. 2 to 5, the highly reliable hall odometer of the present embodiment includes: the electric connection seat 2 is hermetically connected with an opening of the shell 1 through threads, a sealing ring 22 is arranged at the contact position of the shell 1 and the electric connection seat 2, and the electric connection seat further comprises an elastic support frame 3; the elastic support frame 3 is arranged inside the shell 1; the tail part of the elastic support frame 3 is arranged at the top of the electric connection seat 2, and the bottom of the electric connection seat 2 is provided with an electric connection post 21 connected with the outside; the sensor 4, the magnet 5 and the circuit board assembly 6 are arranged on the elastic support frame 3; the sensor 4, the circuit board assembly 6 and the electric connection seat 2 are electrically connected through a lead 9. The elastic support frame 3 comprises a central column 31 and an elastic arm 32; the sensor 4 is fixed at one end of the central column 31 by gluing, the magnet 5 is uniformly adhered on the central column 31, the circuit board assembly 6 is fixed on the central column 31 by a through hole at the center, an elastic gasket 8 is arranged between the wall of the through hole of the circuit board assembly 6 and the wall of the central column 31, and a through hole and a groove for accommodating the lead 9 are arranged in the central column 31; the elastic arm 32 includes a fixed arm 321, a pulley arm 322 with a first pulley 324, and a first spring 323; the fixing arm 321 is hinged to the pulley arm 322, and one end of the first spring 323 is fixed to the fixing arm 321, and the other end is fixed to the pulley arm 322. The elastic arm 32 reduces the external impact of the center post 31 by the first spring 323 and the pulley arm 322. The circuit board assembly 6 comprises a circuit board 61 and a supporting seat 7; the supporting seat 7 includes a seat body 71, uniformly distributed heat dissipation fins 72 arranged at the bottom of the seat body 71, and a pulley assembly 74 supported by the housing 1, the supporting seat 7 and the heat dissipation fins 72 are copper sheets, a heat conductive colloid 73 arranged at the top of the seat body 71 transfers the temperature of the circuit board 61 to the base 71 and the heat dissipation fins 72, a second pulley 77 in the pulley assembly 74 contacts with the inner wall of the housing 1, a bracket 75 of the second pulley 77 is provided with a groove for accommodating a convex block 711 on the seat body 71, and a second spring 76 is arranged in the groove. The number of the brackets 75 is not less than two. Two brackets 75 may support the circuit board assembly 6. The number of resilient arms 32 is at least 3. At least 3 resilient arms 32 ensure the stability of the resilient support 3. Because the elastic arms 32 are used for supporting, the number of the brackets 75 is at least 2, the brackets can keep sliding, the friction is reduced, and the disassembly is convenient.

The utility model discloses a theory of operation:

the sensor 4 is welded on the head of the center post 31, then the magnet 5 is bonded on the center post 31, then the circuit board assembly 6 is sleeved on the center post 31 through the elastic washer 8, the elastic support frame 3 is placed in the shell 1, the sealing ring 22 is arranged on the elastic support frame, and the point connecting seat 2 is screwed into the shell 1 through threads. And (5) finishing the installation. The vehicle-mounted wire end is inserted into the electric connecting post 21, the odometer is inserted into the working position, and the odometer starts to work. If the odometer has a fault, the screw thread of the electric connection seat 2 is unscrewed, and the elastic support frame 3 connected with the pulley can be pulled out for detection and maintenance.

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. A highly reliable hall odometer comprising: the electric connector comprises a shell (1) and an electric connecting seat (2), wherein the electric connecting seat (2) is hermetically connected with an opening of the shell (1) through threads, and a sealing ring (22) is arranged at the contact position of the shell (1) and the electric connecting seat (2); the device is characterized by further comprising an elastic supporting frame (3), wherein the elastic supporting frame (3) is arranged inside the shell (1); the tail part of the elastic support frame (3) is arranged at the top of the electric connection seat (2), and the bottom of the electric connection seat (2) is provided with an electric connection post (21) connected with the outside; the elastic support frame (3) is provided with a sensor (4), a magnet (5) and a circuit board assembly (6); the sensor (4), the circuit board assembly (6) and the electric connecting seat (2) are electrically connected through a lead (9).

2. The highly reliable hall odometer of claim 1, wherein: the elastic supporting frame (3) comprises a central column (31) and an elastic arm (32); the sensor (4) is fixed at one end of the center column (31), the magnets (5) are uniformly arranged around the center column (31), the circuit board assembly (6) is fixedly installed on the center column (31), an elastic gasket (8) is arranged between the circuit board assembly (6) and the center column (31), and the circuit board assembly (6) is supported on the inner wall of the shell (1).

3. The highly reliable hall odometer of claim 2, wherein: a through hole and a groove for accommodating the lead (9) are formed in the central column (31); the elastic arm (32) comprises a fixed arm (321), a pulley arm (322) with a first pulley (324) and a first spring (323); the fixed arm (321) is hinged with the pulley arm (322), one end of the first spring (323) is fixed on the fixed arm (321), and the other end of the first spring is fixed on the pulley arm (322).

4. The highly reliable hall odometer of claim 2, wherein: the circuit board assembly (6) comprises a circuit board (61) and a supporting seat (7); the supporting seat (7) comprises a seat body (71), radiating fins (72) which are uniformly distributed at the bottom of the seat body (71), a heat conducting colloid (73) which is arranged at the top of the seat body (71), and a pulley assembly (74) which is supported by the shell (1), wherein a second pulley (77) in the pulley assembly (74) is in contact with the inner wall of the shell (1), a support (75) of the second pulley (77) is provided with a groove for accommodating a convex block (711) on the seat body (71), and a second spring (76) is arranged in the groove.

5. The highly reliable hall odometer of claim 2, wherein: the number of the elastic arms (32) is at least 3.

6. The highly reliable hall odometer of claim 4, wherein: the number of the brackets (75) is at least 2.