CN212099228U - Strain torque meter and differential sensor integrated module - Google Patents
Strain torque meter and differential sensor integrated module Download PDFInfo
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- CN212099228U CN212099228U CN202020298246.2U CN202020298246U CN212099228U CN 212099228 U CN212099228 U CN 212099228U CN 202020298246 U CN202020298246 U CN 202020298246U CN 212099228 U CN212099228 U CN 212099228U
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Abstract
The utility model discloses a torquemeter and differential sensor collection moulding piece meet an emergency, including holder, torque plate, differential tooth, speed sensor, flexible circuit board, 6 needle connectors, torque sensor is installed to the torque plate, and torque sensor meets an emergency passes through the connecting wire to be connected with flexible circuit board, speed sensor passes through the connecting wire to be connected with flexible circuit board, 6 needle connectors are connected with flexible circuit board, and torque plate, speed sensor install on the holder. The running parameters of the electric power-assisted bicycle are obtained by integrating the variable torque sensor and the rotating speed sensor, and the electric power-assisted bicycle is compact in overall structure, low in cost and high in reliability.
Description
Technical Field
The utility model relates to a controlling means, especially a strain torque meter and differential sensor collection moulding piece.
Background
At present, high-end electric power-assisted bicycles usually adopt a continuously variable transmission similar to the one disclosed by the publication number CN207034119U to realize speed change. In the use, electric bicycle has two kinds of power, one kind is come from the people pedal, another kind is from battery power, manpower and electric power are difficult to coordinate unified in the use, ride and experience poorly, need collect corresponding trampling information, can respond to the state that the user trampled the power to and electric bicycle's speed information, motor torque rotational speed is controlled to final control current's size, reaches good riding experience.
Disclosure of Invention
The purpose of the invention is as follows: in view of the above problems, an integrated module of a strain torque meter and a differential sensor is provided for collecting the pedaling force of a user of an electric power-assisted bicycle and the running speed signal of the bicycle.
The technical scheme is as follows: the utility model provides a strain torque meter and differential sensor collection moulding piece, includes holder, torque plate, speed sensor, flexible circuit board, 6 needle connectors, differential tooth, strain torque sensor is installed to the torque plate, and strain torque sensor is used for measuring electric bicycle continuously variable transmission's input torque, and strain torque sensor passes through the connecting wire and is connected with the flexible circuit board, speed sensor passes through the connecting wire and is connected with the flexible circuit board, 6 needle connectors are connected with the flexible circuit board, and torque plate, speed sensor install on the holder, and the differential tooth is installed in electric bicycle continuously variable transmission's input pivot, rotates along with the input pivot, and speed sensor measures the rotational speed of differential tooth.
Further, the rotating speed sensor is a Hall rotating speed sensor.
Furthermore, the material of the retainer is engineering plastics.
Further, the torque plate is fixedly installed on the retainer through a buckle on the retainer.
Further, the torque plate is made of aluminum alloy.
The strain torque meter and the differential sensor integrated module are arranged on the electric power-assisted bicycle continuously variable transmission, the retainer is fixed at the input end of the electric power-assisted bicycle continuously variable transmission for one time, the differential teeth are arranged on an input rotating shaft of the electric power-assisted bicycle continuously variable transmission and rotate along with the input rotating shaft, and the rotating speed sensor measures the rotating speed of the differential teeth and transmits signals to the flexible circuit board through the connecting wire. When a person treads on a pedal of the electric power-assisted bicycle, force is transmitted to the input end of a continuously variable transmission of the electric power-assisted bicycle through chain transmission, the input torque of the continuously variable transmission of the electric power-assisted bicycle is measured through a strain torque sensor arranged on a torque plate, and signals are transmitted to a flexible circuit board. Finally, the flexible circuit board outputs current increasing or decreasing signals after being processed by the flexible circuit board, and the signals are transmitted to the PBC board for controlling the battery system through the 6-pin connector, so that the coordination of the electric quantity supply and demand of the electric power-assisted bicycle is finally realized.
The utility model discloses the principle: the torque of the continuously variable transmission of the electric power-assisted bicycle is measured by a strain torque sensor mounted on a torque plate, and a signal is transmitted to a flexible circuit board. Simultaneously, the rotating speed of the differential gear is read through the rotating speed sensor, signals are transmitted to the flexible circuit board through the connecting wire, the two signals are processed and compared through the flexible circuit board, finally the flexible circuit board outputs signals to the PBC board for controlling the power system of the electric power-assisted bicycle, the current of the battery is controlled, and finally coordination of electric quantity supply and demand of the electric power-assisted bicycle is achieved.
Has the advantages that: compared with the prior art, the utility model has the advantages that: the utility model discloses integrated strain torque sensor and speed sensor obtain electric bicycle operating parameter, and overall structure is compact, with low costs, the reliability is high.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view of a differential tooth.
Detailed Description
The following is a specific example to further illustrate the present invention.
As shown in fig. 1, a strain torque meter and differential sensor integrated module includes a holder 1, a torque plate 2, a rotation speed sensor 3, a flexible circuit board 4, a 6-pin connector 5, and a differential gear 6, wherein the holder 1 is made of engineering plastics, the torque plate 2 is provided with the strain torque sensor, the strain torque sensor is connected with the flexible circuit board 4 through a connecting wire, the rotation speed sensor 3 is connected with the flexible circuit board 4 through a connecting wire, the 6-pin connector 5 is connected with the flexible circuit board 4, and the torque plate 2 and the rotation speed sensor 3 are installed on the holder 1. The differential gear 6 is arranged on an input rotating shaft of the stepless speed changer of the electric power-assisted bicycle and rotates along with the input rotating shaft, and the rotating speed sensor measures the rotating speed of the differential gear.
Claims (5)
1. A strain torque meter and differential sensor integrated module comprises a retainer (1), a torque plate (2), a rotating speed sensor (3), a flexible circuit board (4), a 6-pin connector (5) and differential teeth (6), and is characterized in that the torque plate (2) is provided with a strain torque sensor which is connected with the flexible circuit board (4) through a connecting wire; the rotating speed sensor (3) is connected with the flexible circuit board (4) through a connecting wire; the 6-pin connector (5) is connected with the flexible circuit board (4); the torque plate (2) and the rotating speed sensor (3) are arranged on the retainer (1), and the rotating speed sensor (3) is used for measuring the rotating speed of the differential gear (6).
2. The integrated strain-torquemeter and differential sensor module of claim 1, wherein: the rotating speed sensor (3) is a Hall rotating speed sensor.
3. The integrated strain-torque meter and differential sensor module according to claim 1 or 2, wherein: the retainer (1) is made of engineering plastics.
4. The integrated strain-torque meter and differential sensor module of claim 3, wherein: the torque plate (2) is fixedly arranged on the retainer (1) through a buckle on the retainer (1).
5. The integrated strain-torque meter and differential sensor module of claim 4, wherein: the torque plate (2) is made of aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020298246.2U CN212099228U (en) | 2020-03-12 | 2020-03-12 | Strain torque meter and differential sensor integrated module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020298246.2U CN212099228U (en) | 2020-03-12 | 2020-03-12 | Strain torque meter and differential sensor integrated module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212099228U true CN212099228U (en) | 2020-12-08 |
Family
ID=73635409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020298246.2U Active CN212099228U (en) | 2020-03-12 | 2020-03-12 | Strain torque meter and differential sensor integrated module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212099228U (en) |
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2020
- 2020-03-12 CN CN202020298246.2U patent/CN212099228U/en active Active
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