CN216443710U

CN216443710U - Bicycle speed change gear sensor

Info

Publication number: CN216443710U
Application number: CN202122318813.3U
Authority: CN
Inventors: 康献兵
Original assignee: Suzhou Moteng Electronic Technology Co ltd
Current assignee: Suzhou Moteng Electronic Technology Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-05-06
Anticipated expiration: 2031-09-24

Abstract

The utility model discloses a bicycle speed change gear sensor which comprises a speed change gear sensor shell, a magnet and a position sensing element, wherein the magnet is positioned in the speed change gear sensor shell, the position sensing element is used for sensing the displacement of the magnet, the magnet is connected with a speed change inner wire, and the speed change inner wire drives the magnet to generate displacement change relative to the position sensing element. The magnet and the speed changing inner wire synchronously move axially together, and the position sensing element on one side can sense the axial magnetic magnitude of the magnet to sense the axial displacement of the magnet, so that the axial displacement of the speed changing inner wire is sensed, and the speed changing gear can be judged.

Description

Bicycle speed change gear sensor

Technical Field

The utility model relates to the field of speed changers of power-assisted electric vehicles, in particular to a bicycle speed change gear sensor.

Background

Along with people constantly improve to intelligent trip, some traditional variable speed vehicle electric control system can't know current gear of changing speed, just also can't provide more intelligent variable speed helping hand than, can't satisfy high-end customer's of riding demand, especially the helping hand of riding in the conventional highway section of grow flywheel after feels very poor, for example helping hand is intermittent and continuous, discontinuous etc..

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bicycle speed-changing gear sensor.

The utility model realizes the purpose through the following technical scheme: the utility model provides a bicycle variable speed gear sensor, includes variable speed gear sensor shell, is located the inside magnetite of variable speed gear sensor shell and is used for the position sensing element of response magnetite displacement, the magnetite is connected with the variable speed interior line, the variable speed interior line drives the magnetite and produces the displacement change for position sensing element.

Furthermore, the inside inductor moves a shell that is equipped with of variable speed gear sensor shell, and the magnetite moves a shell and is connected with the variable speed interior line through the inductor.

Furthermore, the magnet magnetizes the speed change gear position sensor in the length direction.

Furthermore, the two ends of the shell of the speed change gear sensor are provided with speed change line pipes, and the speed change inner lines penetrate through the speed change line pipes at the two ends.

Further, the inside rubber tube that is equipped with of inductor dynamic component shell, the interior line of changing speed is passed from the rubber tube is inside.

Furthermore, an induction control board is arranged in the shell of the speed change gear sensor, the position induction element is installed on the induction control board, and the induction control board is connected with a signal output line.

Compared with the prior art, the bicycle speed change gear sensor has the advantages that: the magnet and the inner speed-changing line move axially synchronously, and the position sensing element on one side can sense the axial magnetic magnitude of the magnet to sense the axial displacement of the magnet, so that the axial movement of the inner speed-changing line is sensed, and the speed-changing gear can be judged.

Drawings

Fig. 1 is a schematic structural diagram of the external form of the utility model.

Fig. 2 is a schematic cross-sectional structure of the present invention.

Fig. 3 is a schematic diagram of the explosive structure of the present invention.

Fig. 4 is a schematic structural view of the transmission position sensor housing.

Fig. 5 is another angular schematic view of fig. 4.

FIG. 6 is a schematic view of the structure of the outer casing of the inductive movable element.

Fig. 7 is another angular schematic of fig. 6.

Fig. 8 is a schematic structural view of the sensor-side cover.

In the figure, 1, a gear position sensor shell, 101, a gear position sensor PCB groove, 102, a gear position sensor PCB positioning part, 103, a signal wire outlet hole, 104, a wire pipe groove, 105, a gear position inner wire hole, 106, a side cover groove, 107 and a sensor shell inner cavity;

2. the inductor moving part comprises an inductor moving part shell, 201 rubber grooves, 202 inner wire holes, 203 induction magnet grooves;

3. a rubber tube; 4. a magnet; 5. an inductor moving part side cover; 6. a sensor-side cover body; 7. an induction control panel; 8. a position sensing element; 9, a PCB cover plate; 10. a signal output line; 11. a speed change spool; 12. and (4) variable speed inner lines.

Detailed Description

Referring to fig. 1 to 8, a bicycle gear shift sensor includes a gear shift sensor housing 1, a magnet 4 disposed inside the gear shift sensor housing 1, and a position sensing element 8 for sensing a displacement of the magnet 4. The magnet 4 is connected with a variable speed inner wire 12, and the variable speed inner wire 12 drives the magnet 4 to generate displacement change relative to the position sensing element 8. The magnet magnetizes the speed change gear sensor in the length direction. The position sensing element 8 is a hall element.

An inductor moving part shell 2 is arranged in the speed change gear sensor shell 1, and a magnet 4 is connected with a speed change inner wire 12 through the inductor moving part shell 2. The side of the gear position sensor housing 1 is provided with a sensor side cover 6.

The two ends of the gear position sensor housing 1 are provided with gear shift spools 11, and the gear shift inner wires 12 pass through the gear shift spools 11 at the two ends.

The inside rubber tube 3 that is equipped with of inductor moving part shell 2, the interior line 12 of changing speed passes from the inside of rubber tube 3. The rubber tube 3 is sealed by the side cover 5 of the inductor moving piece.

An induction control board 7 is arranged in the speed change gear sensor shell 1, and a position sensing element 8 is arranged on the induction control board 7. The induction control board 7 is sealed by a PCB cover plate 9. The induction control board 7 is connected with a signal output line 10.

The speed change gear sensor housing 1 comprises a speed change gear sensor PCB groove 101 for mounting the induction control plate 7, a speed change gear sensor PCB positioning part 102 for fixing the induction control plate 7, a signal line outlet hole 103 for allowing a signal output line 10 to pass through, a line pipe groove 104 for mounting a speed change line pipe 11, a sensor housing inner cavity 107 for mounting the induction body moving part housing 2, and a side cover groove 106 for mounting the sensor side cover body 6, wherein a speed change line hole 105 for allowing a speed change line 12 to pass through is arranged in the line pipe groove 104.

The inductor actuator housing 2 is provided with a rubber groove 201 for mounting the rubber tube 3, an inner wire hole 202 for passing the speed change inner wire 12, and an inductor magnet groove 203 for mounting the magnet 4.

The sensor-side cover 6 is provided with a wire groove 104 and a speed change inner wire hole 105 on the side.

The magnet and the speed changing inner wire synchronously move axially together, and the position sensing element on one side can sense the axial magnetic magnitude of the magnet to sense the axial displacement of the magnet, so that the axial displacement of the speed changing inner wire is sensed, and the speed changing gear can be judged.

The length of the sensed magnet is long enough and larger than the movement amount of the speed change internal wire, and the position sensing element arranged on one side of the magnet can finely sense the displacement amount of the magnet, so that the displacement amount of the speed change internal wire is sensed to judge different speed change gears, and a speed change gear signal is provided to the corresponding motor controller, so that different power-assisted specific forces are provided by the electric moped at different speed change gears, more intelligent riding comfort is achieved, and the requirements of high-end markets are met.

What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the utility model.

Claims

1. A bicycle speed change gear sensor, characterized by: including speed change gear sensor shell, be located the inside magnetite of speed change gear sensor shell and be used for responding to the position sensing element of magnetite displacement, the magnetite is connected with the variable speed interior line, the variable speed interior line drives the magnetite and produces the displacement change for position sensing element.

2. The bicycle shift position sensor according to claim 1, wherein: the inside inductor moves a shell that is equipped with of variable speed gear sensor shell, and the magnetite moves a shell and is connected with the line in the variable speed through the inductor.

3. The bicycle shift position sensor according to claim 1, wherein: the magnet magnetizes the speed change gear sensor in the length direction.

4. The bicycle shift position sensor according to claim 1, wherein: the both ends of speed change gear sensor shell are equipped with the variable speed spool, the interior line of changing speed passes from the variable speed spool at both ends.

5. The bicycle shift position sensor according to claim 2, wherein: the inside rubber tube that is equipped with of inductor moving part shell, the interior line of changing speed passes from the rubber tube is inside.

6. The bicycle shift position sensor according to claim 1, wherein: the speed change gear sensor is characterized in that an induction control board is arranged in the shell of the speed change gear sensor, the position induction element is arranged on the induction control board, and the induction control board is connected with a signal output line.