CN203497121U - Foot power detection device arranged in hub motor - Google Patents
Foot power detection device arranged in hub motor Download PDFInfo
- Publication number
- CN203497121U CN203497121U CN201320631403.7U CN201320631403U CN203497121U CN 203497121 U CN203497121 U CN 203497121U CN 201320631403 U CN201320631403 U CN 201320631403U CN 203497121 U CN203497121 U CN 203497121U
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- CN
- China
- Prior art keywords
- hub motor
- wheel hub
- inductance coil
- detection device
- torque signals
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a foot power detection device arranged in a hub motor. The foot power detection device comprises a torque detection device, a torque signal wireless transmitting device, a torque signal wireless receiving device and a controller. The torque detection device is connected with the torque signal wireless transmitting device. The torque signal wireless receiving device is connected with the controller. The torque detection device and the torque signal wireless transmitting device are arranged at the end, placed inside the hub motor, of a fly wheel seat. The torque signal wireless receiving device is arranged on a stator of the hub motor. The torque detection device, namely a strain gauge is installed at the end, placed inside the hub motor, of the fly wheel seat, and therefore a measurement result is accurate; the strain gauge is good in fatigue resistance, not prone to fatigue deformation and long in service life; signals are output in a wireless mode, so that the transmission speed is high; the installation structure is simple and stable, and manufacturing cost is low.
Description
Technical field
The utility model relates to moment sensor technical field, relates in particular to a kind of force testing device that is applied to establish in electric bicycle hub motor.
Background technology
The installation site of existing bicycle, electric bicycle torque sensor is generally positioned on chain wheel, induction mode is generally the elastic force deformation test moment of torsion that relies on spring, this kind of mounting means is too complicated, the output-response of signal is slower, and spring is after being used a period of time, due to Fatigue Deformation, it is more and more inaccurate that result of a measurement can become.
Utility model content
The purpose of this utility model is as overcoming the defect of prior art, and the force testing device of establishing in a kind of wheel hub motor is provided.
For achieving the above object, the utility model is by the following technical solutions: the force testing device of establishing in a kind of wheel hub motor, described force testing device comprises moment measuring device, torque signals wireless launcher, torque signals radio receiver and controller, moment measuring device is connected with torque signals wireless launcher, torque signals radio receiver is connected with controller, moment measuring device and torque signals wireless launcher are located at free wheel base and are placed on the termination in wheel hub motor, and torque signals radio receiver is located on the stator of wheel hub motor.
Described torque signals wireless launcher comprises the first support and the first inductance coil, and described first is set up in free wheel base and is placed on the termination in wheel hub motor, and the first inductance coil is located in the groove of the first support outer end.
Described torque signals radio receiver comprises the second support and the second inductance coil, and on described second stator that is set up in wheel hub motor, the second inductance coil is located in the groove of the second support outer end.
Described the first support and the second support are tubular, and the first inductance coil and the second inductance coil are annular.
Described the first inductance coil and the second inductance coil are in same plane and with one heart.
Described moment measuring device is strain-gauge, and strain-gauge is affixed on free wheel base and is placed on the termination in wheel hub motor.
The utility model beneficial effect is compared with prior art: 1) moment measuring device both strain-gauge be installed on free wheel base and be placed on the termination in wheel hub motor, result of a measurement is accurate; 2) strain-gauge fatigue durability is good, indefatigability distortion, and life cycle is long; 3) signal output adopts wireless mode, and speed of transmission is fast; 4) mounting structure is simple, firm, low cost of manufacture.
Accompanying drawing explanation
Fig. 1 is that of the present utility model cuing open shown structural representation;
Fig. 2 is principle schematic of the present utility model.
The specific embodiment
In order to more fully understand technology contents of the present utility model, below in conjunction with specific embodiment, the technical solution of the utility model is further introduced and explanation.
As shown in Figure 1, for of the present utility model cuing open shown structural representation, as shown in Figure 2, for principle schematic of the present utility model, the force testing device of establishing in a kind of wheel hub motor, comprise moment measuring device 10, torque signals wireless launcher 20, torque signals radio receiver 30 and controller 40, moment measuring device 10 is connected with torque signals wireless launcher 20, torque signals radio receiver 30 is connected with controller 40, moment measuring device 10 and torque signals wireless launcher 20 are located at free wheel base 50 and are placed on the termination 51 in wheel hub motor 60, torque signals radio receiver 30 is located on the stator 61 of wheel hub motor 60.
Concrete, torque signals wireless launcher 20 comprises that the first support 21 and the first inductance coil 22, the first supports 21 are located at free wheel base 50 and are placed on the termination 51 in wheel hub motor 60, and the first inductance coil 22 is located in the groove of the first support 21 outer ends.
Concrete, torque signals radio receiver 30 comprises that the second support 31 and the second inductance coil 32, the second supports 31 are located on the stator 61 of wheel hub motor 60, and the second inductance coil 32 is located in the groove of the second support 31 outer ends.
Concrete, the first support 21 and the second support 31 are tubular, and the first inductance coil 22 and the second inductance coil 32 are annular.
Concrete, the first inductance coil 22 and the second inductance coil 32 are in same plane and with one heart.
Concrete, moment measuring device 10 is strain-gauge, strain-gauge is affixed on free wheel base 50 and is placed on the termination 51 in wheel hub motor 60.
The torsional deflection of strain measurement free wheel base 50 in transmitting legpower process in the utility model, detection signal is wirelessly transmitted to the second inductance coil 32 by the first inductance coil 22, and the detection signal that controller 40 is received according to the second inductance coil 32 calculates the size of legpower.
The above only further illustrates technology contents of the present utility model with embodiment; so that reader is easier to understand; but do not represent that embodiment of the present utility model only limits to this, any technology of doing according to the utility model is extended or recreation, is all subject to protection of the present utility model.
Claims (6)
1. the force testing device of establishing in a wheel hub motor, it is characterized in that, described force testing device comprises moment measuring device, torque signals wireless launcher, torque signals radio receiver and controller, moment measuring device is connected with torque signals wireless launcher, torque signals radio receiver is connected with controller, moment measuring device and torque signals wireless launcher are located at free wheel base and are placed on the termination in wheel hub motor, and torque signals radio receiver is located on the stator of wheel hub motor.
2. the force testing device of establishing in wheel hub motor according to claim 1, it is characterized in that, described torque signals wireless launcher comprises the first support and the first inductance coil, described first is set up in free wheel base and is placed on the termination in wheel hub motor, and the first inductance coil is located in the groove of the first support outer end.
3. the force testing device of establishing in wheel hub motor according to claim 2, it is characterized in that, described torque signals radio receiver comprises the second support and the second inductance coil, and on described second stator that is set up in wheel hub motor, the second inductance coil is located in the groove of the second support outer end.
4. the force testing device of establishing in wheel hub motor according to claim 3, is characterized in that, described the first support and the second support are tubular, and the first inductance coil and the second inductance coil are annular.
5. the force testing device of establishing in wheel hub motor according to claim 4, is characterized in that, described the first inductance coil and the second inductance coil are in same plane and with one heart.
6. according to the force testing device of establishing in the arbitrary described wheel hub motor of claim 1 to 5, it is characterized in that, described moment measuring device is strain-gauge, and strain-gauge is affixed on free wheel base and is placed on the termination in wheel hub motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320631403.7U CN203497121U (en) | 2013-10-12 | 2013-10-12 | Foot power detection device arranged in hub motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320631403.7U CN203497121U (en) | 2013-10-12 | 2013-10-12 | Foot power detection device arranged in hub motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203497121U true CN203497121U (en) | 2014-03-26 |
Family
ID=50328120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320631403.7U Expired - Fee Related CN203497121U (en) | 2013-10-12 | 2013-10-12 | Foot power detection device arranged in hub motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203497121U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015161545A1 (en) * | 2014-04-22 | 2015-10-29 | 苏州八方电机科技有限公司 | Electric bicycle central axle torque speed sense device |
| WO2017101088A1 (en) * | 2015-12-17 | 2017-06-22 | 深圳一哥智行科技有限公司 | Wheel hub of electric bicycle |
| CN107054545A (en) * | 2017-05-04 | 2017-08-18 | 深圳哥智行科技有限公司 | The trailing wheel of motor wheel hub structure and bicycle |
| WO2018039870A1 (en) * | 2016-08-29 | 2018-03-08 | 深圳一哥智行科技有限公司 | Tread force detection device |
| CN112644633A (en) * | 2021-02-22 | 2021-04-13 | 苏州诺雅电动车有限公司 | Stator rotary hub motor for electric bicycle |
| WO2021136524A1 (en) * | 2019-12-31 | 2021-07-08 | 许源芳 | Pedaling force detection mechanism, driving device, hub device and power-assisted bicycle |
-
2013
- 2013-10-12 CN CN201320631403.7U patent/CN203497121U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015161545A1 (en) * | 2014-04-22 | 2015-10-29 | 苏州八方电机科技有限公司 | Electric bicycle central axle torque speed sense device |
| WO2017101088A1 (en) * | 2015-12-17 | 2017-06-22 | 深圳一哥智行科技有限公司 | Wheel hub of electric bicycle |
| WO2018039870A1 (en) * | 2016-08-29 | 2018-03-08 | 深圳一哥智行科技有限公司 | Tread force detection device |
| CN107054545A (en) * | 2017-05-04 | 2017-08-18 | 深圳哥智行科技有限公司 | The trailing wheel of motor wheel hub structure and bicycle |
| WO2021136524A1 (en) * | 2019-12-31 | 2021-07-08 | 许源芳 | Pedaling force detection mechanism, driving device, hub device and power-assisted bicycle |
| CN112644633A (en) * | 2021-02-22 | 2021-04-13 | 苏州诺雅电动车有限公司 | Stator rotary hub motor for electric bicycle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20181012 |
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| CF01 | Termination of patent right due to non-payment of annual fee |