CN219890452U - Signal acquisition circuit of auxiliary force sensor integrating speed and acceleration acquisition - Google Patents
Signal acquisition circuit of auxiliary force sensor integrating speed and acceleration acquisition Download PDFInfo
- Publication number
- CN219890452U CN219890452U CN202223400743.7U CN202223400743U CN219890452U CN 219890452 U CN219890452 U CN 219890452U CN 202223400743 U CN202223400743 U CN 202223400743U CN 219890452 U CN219890452 U CN 219890452U
- Authority
- CN
- China
- Prior art keywords
- speed
- acceleration
- capacitor
- circuit
- terminal
- Prior art date
- 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.)
- Active
Links
- 230000001133 acceleration Effects 0.000 title claims abstract description 35
- 239000003990 capacitor Substances 0.000 claims description 28
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Landscapes
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The utility model discloses a signal acquisition circuit of a power-assisted sensor integrating speed and acceleration acquisition. The circuit comprises a power supply circuit connected with a power supply wire, wherein the power supply circuit is connected with a speed acquisition circuit and an acceleration acquisition module IC1, the speed acquisition circuit comprises two Hall elements connected with the power supply circuit, the Hall elements are connected with one end of a resistor R1, the other end of the resistor R1 is respectively connected with a speed signal output wire and the positive electrode of a light emitting diode LD1, the negative electrode of the light emitting diode LD1 is connected with one end of a resistor R2, and the other end of the resistor R2 is grounded. The utility model can realize the collection and output of the speed signal and the acceleration signal, provide more vehicle motion information to the controller, and facilitate the master controller to control the running of the vehicle according to the vehicle motion information, so that a rider obtains better riding experience.
Description
Technical Field
The utility model relates to the technical field of power-assisted sensors, in particular to a signal acquisition circuit of a power-assisted sensor integrating speed and acceleration acquisition.
Background
Conventional force sensors fall into two categories: speed type and moment type. The speed type magnetic steel and the Hall device detect that the magnetic steel sweeps through the Hall position through mechanical rotation, so that signals with different periods and duty ratios are output. The power assisting device has the characteristics of low cost and the defect that only the starting, stopping and rotating speed of the power assisting device can be detected. The force of foot can not be detected. The moment type sensor has the advantages of being capable of detecting pedal force and integrating a speed type sensor, and being high in cost and complex in manufacturing process.
Disclosure of Invention
The utility model aims to provide a signal acquisition circuit of a power-assisted sensor for integrating speed and acceleration acquisition aiming at the defects in the prior art.
In order to achieve the above purpose, the utility model provides a signal acquisition circuit of a power sensor for integrating speed and acceleration acquisition, which comprises a power circuit connected with a power line, wherein the power circuit is connected with a speed acquisition circuit and an acceleration acquisition module IC1, the speed acquisition circuit comprises two Hall elements connected with the power circuit, the Hall elements are connected with one end of a resistor R1, the other end of the resistor R1 is respectively connected with a speed signal output line and the positive electrode of a light emitting diode LD1, the negative electrode of the light emitting diode LD1 is connected with one end of a resistor R2, and the other end of the resistor R2 is grounded.
Further, the power circuit comprises a capacitor C1 with the positive end connected with the positive power line, the negative electrode of the capacitor C1 is grounded, and the capacitor C1 is reversely connected with a diode D1 in parallel.
Further, the other end of the resistor R1 is connected with the positive electrode end of the capacitor C2, and the negative electrode end of the capacitor C2 is grounded.
Further, the model of the acceleration acquisition module IC1 is SC7A20.
Further, the VDDIO terminal, the second NC terminal and the VDD terminal of the acceleration acquisition module IC1 are respectively connected to the positive output end of the power supply circuit, and are connected to the positive ends of the capacitor C3 and the capacitor C4, the negative ends of the capacitor C3 and the capacitor C4 are grounded, and the GND terminal, the GNDIO terminal and the first NC terminal are all grounded.
Further, the model of the hall sensor is EW732.
Further, the LED LD1 is of the type L-5T34LRC.
Further, the model of the diode D1 is CESD5V0D1.
The beneficial effects are that: the utility model can realize the collection and output of the speed signal and the acceleration signal, provide more vehicle motion information to the controller, and facilitate the master controller to control the running of the vehicle according to the vehicle motion information, so that a rider obtains better riding experience.
Drawings
Fig. 1 is a schematic diagram of a signal acquisition circuit of a speed and acceleration acquisition integrated force sensor according to an embodiment of the present utility model.
Detailed Description
The utility model will be further illustrated by the following drawings and specific examples, which are carried out on the basis of the technical solutions of the utility model, it being understood that these examples are only intended to illustrate the utility model and are not intended to limit the scope of the utility model.
As shown in fig. 1, the embodiment of the utility model provides a signal acquisition circuit of a power sensor integrating speed and acceleration acquisition, which comprises a power circuit, wherein the power circuit is connected with a power line to acquire a working power supply from a controller of an electric bicycle, the power circuit is connected with a speed acquisition circuit and an acceleration acquisition module IC1, the model of the acceleration acquisition module IC1 is preferably SC7a20, and the specific connection mode is as follows: the VDDIO terminal, the second NC terminal and the VDD terminal of the acceleration acquisition module IC1 are respectively connected with the positive output end of the power supply circuit, and in order to stabilize voltage, the VDDIO terminal, the second NC terminal and the VDD terminal of the acceleration acquisition module IC1 are respectively connected with the positive ends of the capacitor C3 and the capacitor C4, the negative ends of the capacitor C3 and the capacitor C4 are grounded, and the GND terminal, the GNDIO terminal and the first NC terminal (pin 4) are grounded. The SCX pin and the SDX pin of the acceleration acquisition module IC1 are used for being connected with a main controller so as to output acceleration signals to the main controller.
The speed acquisition circuit includes a hall element Q1 and a hall element Q2, and the types of the hall element Q1 and the hall element Q2 are each preferably EW732. The Hall element Q1 and the Hall element Q2 can sense the position change of the magnetic steel fixedly arranged on the center axis of the pedal to change the on-off state, the Hall element Q1 and the Hall element Q2 are connected with one end of a resistor R1, the other end of the resistor R1 is respectively connected with a speed signal output line (PWM_OUT) and the positive electrode of a light emitting diode LD1, when the state of the Hall element Q1 and the state of the Hall element Q2 change, a voltage pulse signal can be output to a master controller through the speed signal output line (PWM_OUT), the negative electrode of the light emitting diode LD1 is connected with one end of the resistor R2, the other end of the resistor R2 is grounded, and when the speed signal output line (PWM_OUT) outputs a high level signal, the light emitting diode LD1 emits light, and the model of the light emitting diode LD1 is preferably L-5T34LRC.
The power circuit of the embodiment of the utility model comprises a capacitor C1, wherein the positive electrode end of the capacitor C1 is connected with a positive electrode power line, the negative electrode of the capacitor C1 is grounded to play a role in stabilizing voltage, the capacitor C1 is reversely connected with a diode D1 in parallel, and the model of the diode D1 is preferably CESD5V0D1 to play a role in protection.
The other end of the resistor R1 is preferably connected to the positive electrode of the capacitor C2, and the negative electrode of the capacitor C2 is grounded, so that the radiation intensity of the voltage pulse signal output from the speed signal output line (pwm_out) can be reduced.
In summary, the utility model can realize the collection and output of the speed signal and the acceleration signal, provide more vehicle motion information to the controller, and facilitate the master controller to control the vehicle to run according to the vehicle motion information, so that a rider obtains better riding experience. For example, in a sport mode, the power output can be controlled to obtain larger acceleration. The ECO mode can control small acceleration, start slowly and prolong the service life of the battery.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that other parts not specifically described are within the prior art or common general knowledge to a person of ordinary skill in the art. Modifications and alterations may be made without departing from the principles of this utility model, and such modifications and alterations should also be considered as being within the scope of the utility model.
Claims (8)
1. The utility model provides a signal acquisition circuit of power sensor of integrated speed and acceleration collection, its characterized in that includes the power supply circuit who is connected with the power cord, power supply circuit is connected with speed acquisition circuit and acceleration acquisition module IC1, speed acquisition circuit includes two hall element who is connected with power supply circuit, hall element is connected with resistance R1's one end, resistance R1's the other end is connected respectively with speed signal output line, emitting diode LD 1's positive pole, emitting diode LD 1's negative pole is connected with resistance R2's one end, resistance R2's the other end ground connection.
2. The signal acquisition circuit of a speed and acceleration acquisition aid sensor according to claim 1, wherein the power supply circuit comprises a capacitor C1 with a positive terminal connected with a positive power line, a negative electrode of the capacitor C1 is grounded, and a diode D1 is reversely connected in parallel with the capacitor C1.
3. The signal acquisition circuit of a speed and acceleration acquisition aid sensor according to claim 1, wherein the other end of the resistor R1 is connected to the positive terminal of the capacitor C2, and the negative terminal of the capacitor C2 is grounded.
4. The signal acquisition circuit of a speed and acceleration acquisition aid sensor according to claim 1, wherein the acceleration acquisition module IC1 is of model SC7a20.
5. The signal acquisition circuit of a speed and acceleration acquisition integrated force sensor according to claim 4, wherein the VDDIO terminal, the second NC terminal and the VDD terminal of the acceleration acquisition module IC1 are respectively connected to the positive output terminal of the power supply circuit, and are connected to the positive terminals of the capacitor C3 and the capacitor C4, the negative terminals of the capacitor C3 and the capacitor C4 are grounded, and the GND terminal, the GNDIO terminal and the first NC terminal of the acceleration acquisition module IC1 are all grounded.
6. The signal acquisition circuit of a speed and acceleration acquisition aid sensor of claim 1, wherein the hall element is of the EW732 type.
7. The signal acquisition circuit of a speed and acceleration acquisition aid sensor according to claim 1, wherein the light emitting diode LD1 is L-5T34LRC.
8. A signal acquisition circuit for a speed and acceleration acquisition aid sensor according to claim 2, wherein the diode D1 is of the type CESD5V0D1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223400743.7U CN219890452U (en) | 2022-12-19 | 2022-12-19 | Signal acquisition circuit of auxiliary force sensor integrating speed and acceleration acquisition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223400743.7U CN219890452U (en) | 2022-12-19 | 2022-12-19 | Signal acquisition circuit of auxiliary force sensor integrating speed and acceleration acquisition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219890452U true CN219890452U (en) | 2023-10-24 |
Family
ID=88397904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223400743.7U Active CN219890452U (en) | 2022-12-19 | 2022-12-19 | Signal acquisition circuit of auxiliary force sensor integrating speed and acceleration acquisition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219890452U (en) |
-
2022
- 2022-12-19 CN CN202223400743.7U patent/CN219890452U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9180809B2 (en) | Vehicle LED lighting device | |
| US20040195025A1 (en) | Bicycle power supply with discharge function | |
| CN102353825B (en) | Resistor sampling isolation current detection circuit | |
| CN108982897B (en) | Signal detection circuit, measuring device and gear speed measurement system | |
| CN219890452U (en) | Signal acquisition circuit of auxiliary force sensor integrating speed and acceleration acquisition | |
| CN211642426U (en) | Electric vehicle | |
| CN108944653B (en) | Global type flash drive circuit | |
| CN105539662A (en) | Control system for double-wheel balance vehicle | |
| DE202006008279U1 (en) | Speed measuring device for bicycle, has speedometer with evaluation circuit that decouples speedometer signal, battery for supplying memory module to select memory content e.g. driving related data, that are indicated in indicating device | |
| CN210707790U (en) | Control module of electric bicycle | |
| CN202757029U (en) | Safe driving device capable of automatically adjusting automobile light sensation | |
| CN203372348U (en) | Middle shaft type moment sensing device for electric bicycle | |
| CN220673376U (en) | Power supply voltage protection circuit | |
| CN208223691U (en) | A kind of electric bridge detection expansion of metal torque sensor | |
| CN109484298A (en) | A kind of turn signal working condition and fault monitoring system | |
| CN219799615U (en) | Automobile electric device detection system | |
| CN220948343U (en) | Toppling detection circuit applied to electric pedal vehicle | |
| CN107018601B (en) | A kind of flasher for being applicable in light bulb and turning to lamp load with LED difference | |
| CN210822029U (en) | Controller with driving reminding sound control function and electric vehicle | |
| CN218229271U (en) | Scooter | |
| CN206309521U (en) | A kind of detection circuit of automotive ignition launch state | |
| CN205086831U (en) | Auxiliary power supply system for vehicles | |
| CN216313465U (en) | Control circuit of energy-saving brake lamp of bicycle | |
| CN2533475Y (en) | Accumulator state tester for vehicle | |
| CN108680294A (en) | A kind of electric bridge detection expansion of metal torque sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |