CN211454402U - Electronic accelerator pedal circuit capable of working at wide voltage - Google Patents
Electronic accelerator pedal circuit capable of working at wide voltage Download PDFInfo
- Publication number
- CN211454402U CN211454402U CN202020636699.1U CN202020636699U CN211454402U CN 211454402 U CN211454402 U CN 211454402U CN 202020636699 U CN202020636699 U CN 202020636699U CN 211454402 U CN211454402 U CN 211454402U
- Authority
- CN
- China
- Prior art keywords
- capacitor
- voltage
- port
- hall sensor
- circuit module
- 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
Images
Landscapes
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
The utility model discloses an electronic accelerator pedal circuit capable of working at wide voltage, which comprises a wide voltage stabilizing circuit module, a Hall sensor detection circuit module and a reverse voltage protection circuit module; the wide voltage stabilizing circuit module comprises a low-dropout linear voltage stabilizing unit U1, a bidirectional TVS tube D1, a capacitor C1 and a capacitor C2 which are arranged between a power supply voltage and a circuit ground GND in parallel, and a magnetic bead FB1 is arranged between the capacitor C1 and the capacitor C2; the BYP port of the low-dropout linear regulator unit U1 is connected with the Hall sensor detection circuit module through a capacitor C3. The utility model discloses can normally work under 5V to 36V's direct current voltage, reduce the unusual work that the electronic accelerator footboard appears when the electrical environment is abominable, improve the job stabilization nature of electronic accelerator footboard.
Description
Technical Field
The utility model relates to an electronic accelerator pedal circuit especially relates to an electronic accelerator pedal circuit that can work at wide voltage.
Background
The electronic accelerator pedal is a key electronic device in an automobile, and the normal work of the electronic accelerator pedal can ensure the safety of the automobile in running. At present, an electronic accelerator pedal of a commercial vehicle with a 24V power supply system is directly powered by 5V direct current voltage, so that the electronic accelerator pedal on the market directly connects the 5V direct current voltage with a Hall sensor, and a voltage reduction module is not connected in the middle. However, because the commercial vehicle itself has a severe electric environment, 24V voltage is directly applied to the electronic accelerator pedal, which causes the electronic accelerator pedal to work abnormally or burn out the electronic accelerator pedal circuit, which can seriously hinder the commercial vehicle from running normally, increase the occurrence of traffic accidents, and cause unavoidable property loss and personal safety threats. Therefore, an electronic accelerator pedal capable of operating at a wide voltage is important.
Disclosure of Invention
The utility model provides a technical problem provide a can be at the electronic accelerator pedal circuit of wide voltage work, can normally work under 5V to 36V's direct current voltage, reduce the unusual work that electronic accelerator pedal appears when the electrical environment is abominable, improve electronic accelerator pedal's job stabilization nature.
The utility model discloses a realize through following technical scheme:
an electronic accelerator pedal circuit capable of working at wide voltage comprises a wide voltage stabilizing circuit module, a Hall sensor detection circuit module and a reverse voltage protection circuit module;
the wide voltage stabilizing circuit module comprises a low-dropout linear voltage stabilizing unit U1, a bidirectional TVS tube D1, a capacitor C1 and a capacitor C2 which are arranged between a power supply voltage and a circuit ground GND in parallel, and a magnetic bead FB1 is arranged between the capacitor C1 and the capacitor C2; the IN port and the EN port of the low-dropout linear voltage regulation unit U1 are both connected with a power supply voltage; a GND port of the low-dropout linear regulator unit U1 is connected with a circuit ground GND through a magnetic bead FB 2; the OUT port of the low-dropout linear voltage-stabilizing unit U1 is connected with the Hall sensor detection circuit module; the BYP port of the low-dropout linear regulator unit U1 is connected with the Hall sensor detection circuit module through a capacitor C3.
Further, the hall sensor detection circuit module comprises a hall sensor U2, a capacitor C4, a capacitor C5 and a resistor R1 which are connected in parallel, wherein the capacitor C4 is arranged between a Vin port of the hall sensor U2 and a circuit ground VSS in parallel; the capacitor C5 and the resistor R1 are arranged between the Vout port of the Hall sensor U2 and the circuit ground VSS in parallel; the Vin port of the Hall sensor U2 is connected with the OUT port of the wide voltage stabilizing circuit module; an AGND port of the Hall sensor U2 is connected with a circuit ground VSS; the Vout port of Hall sensor U2 is connected to the circuit APS output through resistor R2.
Further, the reverse voltage protection circuit module comprises a diode D2, the anode of the diode D2 is connected to the output terminal of the APS circuit, and the cathode of the diode D2 is connected to the supply voltage.
Further, the withstand voltage value of the bidirectional TVS tube D1 is 36V.
Further, the input voltage of the low dropout linear regulator unit U1 is 5V to 36V, and the output voltage is 5V.
Further, the capacitor C1, the capacitor C2 and the capacitor C5 are all patch capacitors of 100 nF.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model discloses an electronic accelerator pedal circuit capable of working at wide voltage, which comprises a wide voltage stabilizing circuit module, a Hall sensor detection circuit module and a reverse voltage protection circuit module; the low-dropout linear regulator unit U1, bidirectional TVS tube D1, capacitor C1 and capacitor C2 are arranged in parallel between a power supply voltage and a circuit ground GND, and a magnetic bead FB1 is arranged between the capacitor C1 and the capacitor C2. The utility model discloses by the power supply voltage to the linear voltage stabilizing unit U1 power supply of low dropout, the operating voltage of hall sensor detection circuit module is provided by the linear voltage stabilizing unit U1 of low dropout, and the linear voltage stabilizing unit U1 of low dropout can be in DC voltage 5V to 36V work, output DC 5V voltage. Carry out voltage stabilization modulation output direct current 5V voltage to mains operated voltage through the linear voltage regulator unit U1 of low dropout and give hall sensor detection circuit module use, with this realization the utility model discloses stable work under wide voltage. The utility model discloses not only can work under normal 5V direct current voltage, can also work under 5V to 36V direct current voltage, reduce the unusual work that electronic accelerator pedal appears when the electrical environment is abominable, improve electronic accelerator pedal's job stabilization nature, guarantee the normal driving of commercial car, reduce the emergence of traffic accident.
Drawings
Fig. 1 is a schematic circuit block diagram of an electronic accelerator pedal circuit capable of operating at a wide voltage according to the present invention;
fig. 2 is a circuit diagram of the electronic accelerator pedal circuit of the present invention capable of operating at a wide voltage.
The circuit comprises a wide voltage stabilizing circuit module 1, a Hall sensor detection circuit module 2 and a reverse voltage protection circuit module 3.
Detailed Description
The present invention will now be described in further detail with reference to the attached drawings, which are provided for purposes of illustration and not limitation.
Referring to fig. 1 and 2, an electronic accelerator pedal circuit capable of working at a wide voltage includes a wide voltage stabilizing circuit module 1, a hall sensor detection circuit module 2, and a reverse voltage protection circuit module 3;
the wide voltage stabilizing circuit module 1 comprises a low-dropout linear voltage stabilizing unit U1, a bidirectional TVS tube D1, a capacitor C1 and a capacitor C2 which are arranged between a power supply voltage and a circuit ground GND in parallel, wherein a magnetic bead FB1 is arranged between the capacitor C1 and the capacitor C2; the IN port and the EN port of the low-dropout linear voltage regulation unit U1 are both connected with a power supply voltage; a GND port of the low-dropout linear regulator unit U1 is connected with a circuit ground GND through a magnetic bead FB 2; the OUT port of the low-dropout linear voltage regulation unit U1 is connected with the Hall sensor detection circuit module 2; the BYP port of the low-dropout linear regulator unit U1 is connected to the hall sensor detection circuit module 2 via a capacitor C3.
Specifically, the wide voltage stabilizing circuit module 1 includes a low dropout linear regulator unit U1, a bidirectional TVS tube D1, a magnetic bead FB1, a magnetic bead FB2, a capacitor C1, a capacitor C2, and a capacitor C3; one port of the bidirectional TVS tube D1 is connected with a supply voltage, and the other port is connected with a circuit ground GND; the capacitor C1 is connected with the bidirectional TVS tube D1 in parallel; one port of the magnetic bead FB1 is connected with one port of the capacitor C1 connected with the power supply voltage, the other port of the magnetic bead FB1 is connected with one port of the capacitor C2, and the other port of the capacitor C2 is connected with the circuit ground GND; one port of the magnetic bead FB2 is connected with one port of the capacitor C2, which is connected with the circuit ground GND, and the other port is connected with the GND port of the low-dropout linear voltage regulation unit U1; one port of the capacitor C3 is connected with a BYP port of the low dropout linear regulator unit U1, and the other port is connected with a GND port of the low dropout linear regulator unit U1; the port IN of the low dropout linear regulator unit U1 is connected to its port EN and to a port at which the magnetic bead FB1 and the capacitor C2 are connected.
Further, the hall sensor detection circuit module 2 comprises a hall sensor U2, a capacitor C4, a capacitor C5 and a resistor R1 which are connected in parallel, wherein the capacitor C4 is arranged between a Vin port of the hall sensor U2 and a circuit ground VSS in parallel; the capacitor C5 and the resistor R1 are arranged between the Vout port of the Hall sensor U2 and the circuit ground VSS in parallel; the Vin port of the Hall sensor U2 is connected with the OUT port of the wide voltage stabilizing circuit module 1; an AGND port of the Hall sensor U2 is connected with a circuit ground VSS; the Vout port of Hall sensor U2 is connected to the circuit APS output through resistor R2.
Specifically, the hall sensor detection circuit module 2 includes a hall sensor U2, a capacitor C4, a capacitor C5, a resistor R1, and a resistor R2, wherein a port of the capacitor C4 is respectively connected to an OUT port of the low dropout linear regulator unit U1 and a Vin port of the hall sensor U2, and another port of the capacitor C3 is connected to a port of the circuit ground GND; the AGND port of the Hall sensor U2 is connected with the circuit ground GND; one port of the capacitor C5 is connected with the Vout port of the Hall sensor U2, and the other port is connected with the AGND port of the Hall sensor U2; the resistor R1 is connected with the capacitor C5 in parallel; one port of the resistor R2 is connected with the output end of the APS circuit, and the other port is connected with the Vout port of the Hall sensor U2.
Specifically, when the magnetic bead FB1 and the magnetic bead FB2 work at 100MHz, the inductive reactance is 600 Ω, and the inductive reactance is used for isolating a high-frequency signal generated outside a power supply and ensuring the stability of a rear port circuit. The magnetic field measurement range of the Hall sensor U2 is +/-30 to +/-150 mT, the working voltage is 4.5V to 5.5V, and meanwhile, the Hall sensor U2 is a programmable linear Hall sensor and can adjust voltage output according to requirements; the resistor R1 is a resistor with the resistance value of 6.2k omega and is used for pulling down the ground, so that the output voltage of the Hall sensor U2 is stable; the resistor R2 is a resistor with a resistance of 10 omega and mainly used for limiting the output current.
Further, the reverse voltage protection circuit module 3 includes a diode D2, an anode of the diode D2 is connected to the output terminal of the APS circuit, and a cathode of the diode D2 is connected to the supply voltage. The diode D2 has high conduction current and reverse breakdown voltage, and is mainly used for preventing the large voltage at the output end of the APS circuit from being connected in series and avoiding burning the circuit.
Further, the withstand voltage value of the bidirectional TVS tube D1 is 36V.
Further, the input voltage of the low dropout linear regulator unit U1 is 5V to 36V, and the output voltage is 5V. The voltage drop of the low dropout linear voltage regulator unit U1 is only 7mV when the voltage is 5V, and the output of the Vout port of the low dropout linear voltage regulator unit U1 is 4.993V when the power supply voltage is 5V, which does not affect the normal work of the rear port circuit; when the power supply voltage is greater than 5V to 36V, the output voltage of the Vout port of the low dropout linear regulator unit U1 is 5V, and the rear port circuit can be ensured to be in a normal working state.
Further, the capacitor C1, the capacitor C2 and the capacitor C5 are all 100nF chip capacitors, which are used to solve abnormal interference in the circuit and ensure that the circuit works in a stable state. The capacitance values of the capacitor C3 and the capacitor C4 are selected according to the specific requirements of the low dropout linear regulator unit U1.
By the technical scheme, the utility model provides an electronic accelerator pedal circuit capable of working at wide voltage, which comprises a wide voltage stabilizing circuit module 1, a Hall sensor detection circuit module 2 and a reverse voltage protection circuit module 3; the wide voltage stabilizing circuit module 1 comprises a low-dropout linear voltage stabilizing unit U1, a bidirectional TVS tube D1, a capacitor C1 and a capacitor C2 which are arranged between a power supply voltage and a circuit ground GND in parallel, and a magnetic bead FB1 is arranged between the capacitor C1 and the capacitor C2. The utility model provides direct current supply voltage by supplying power to the low-voltage difference linear voltage stabilizing unit U1 through the supply voltage, and the working voltage of the Hall sensor U2 is provided by the low-voltage difference linear voltage stabilizing unit U1; the low-dropout linear voltage regulator unit U1 can work at a direct current voltage of 5V to 36V, outputs a direct current voltage of 5V, and regulates the voltage of the power supply voltage to 5V through the low-dropout linear voltage regulator unit U1 to supply the voltage to the Hall sensor U2; when the external magnetic field changes, the Hall sensor U2 outputs a corresponding voltage value according to the change of the magnetic field, and the stability of the circuit is ensured. The utility model discloses not only can work under normal 5V direct current voltage, can also work normally under 5V to 36V direct current voltage, reduce the unusual work that electronic accelerator pedal appears when the electrical environment is abominable, improve electronic accelerator pedal's job stabilization nature, guarantee the normal driving of commercial car, reduce the emergence of traffic accident.
The embodiments given above are preferred examples for implementing the present invention, and the present invention is not limited to the above-described embodiments. Any non-essential addition and replacement made by the technical features of the technical solution of the present invention by those skilled in the art all belong to the protection scope of the present invention.
Claims (6)
1. An electronic accelerator pedal circuit capable of working at wide voltage is characterized by comprising a wide voltage stabilizing circuit module (1), a Hall sensor detection circuit module (2) and a reverse voltage protection circuit module (3);
the wide voltage stabilizing circuit module (1) comprises a low-dropout linear voltage stabilizing unit U1, a bidirectional TVS tube D1, a capacitor C1 and a capacitor C2 which are arranged between a power supply voltage and a circuit ground GND in parallel, wherein a magnetic bead FB1 is arranged between the capacitor C1 and the capacitor C2; the IN port and the EN port of the low-dropout linear voltage regulation unit U1 are both connected with a power supply voltage; a GND port of the low-dropout linear regulator unit U1 is connected with a circuit ground GND through a magnetic bead FB 2; the OUT port of the low-dropout linear voltage-stabilizing unit U1 is connected with the Hall sensor detection circuit module (2); the BYP port of the low-dropout linear voltage stabilizing unit U1 is connected with the Hall sensor detection circuit module (2) through a capacitor C3.
2. The electronic accelerator pedal circuit capable of working at wide voltage according to claim 1, wherein the hall sensor detection circuit module (2) comprises a hall sensor U2, a capacitor C4, a capacitor C5 and a resistor R1 which are connected in parallel, wherein the capacitor C4 is arranged between a Vin port of the hall sensor U2 and a circuit ground VSS in parallel; the capacitor C5 and the resistor R1 are arranged between the Vout port of the Hall sensor U2 and the circuit ground VSS in parallel; a Vin port of the Hall sensor U2 is connected with an OUT port of the wide voltage stabilizing circuit module (1); an AGND port of the Hall sensor U2 is connected with a circuit ground VSS; the Vout port of Hall sensor U2 is connected to the circuit APS output through resistor R2.
3. The electronic accelerator pedal circuit operable over a wide voltage range according to claim 1, wherein the reverse voltage protection circuit module (3) comprises a diode D2, the anode of the diode D2 being connected to the APS output of the circuit, and the cathode of the diode D2 being connected to the supply voltage.
4. The wide voltage operating electronic accelerator pedal circuit according to claim 1 wherein the withstand voltage of the bidirectional TVS tube D1 is 36V.
5. The wide voltage range electronic accelerator pedal circuit of claim 1 wherein the low dropout linear regulator U1 has an input voltage of 5V to 36V and an output voltage of 5V.
6. The wide voltage operating electronic accelerator pedal circuit of claim 2 wherein the capacitor C1, the capacitor C2 and the capacitor C5 are all 100nF patch capacitors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020636699.1U CN211454402U (en) | 2020-04-24 | 2020-04-24 | Electronic accelerator pedal circuit capable of working at wide voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020636699.1U CN211454402U (en) | 2020-04-24 | 2020-04-24 | Electronic accelerator pedal circuit capable of working at wide voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211454402U true CN211454402U (en) | 2020-09-08 |
Family
ID=72300211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020636699.1U Active CN211454402U (en) | 2020-04-24 | 2020-04-24 | Electronic accelerator pedal circuit capable of working at wide voltage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211454402U (en) |
-
2020
- 2020-04-24 CN CN202020636699.1U patent/CN211454402U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104679087A (en) | Vehicle-mounted low-dropout linear voltage stabilizer circuit and low-voltage compensating circuit thereof | |
| CN103474965A (en) | Low-cost alternating-current input overvoltage protection circuit and switching power supply | |
| CN102801310B (en) | Direct-current switch power supply circuit | |
| CN113163554B (en) | LED lamp driving circuit, control method and electronic equipment | |
| CN211454402U (en) | Electronic accelerator pedal circuit capable of working at wide voltage | |
| CN210246609U (en) | Vehicle-mounted power supply output circuit and vehicle-mounted power supply | |
| CN211880080U (en) | Intrinsic safety type power supply circuit and intrinsic safety type communication network equipment | |
| CN212627683U (en) | Ammeter safety power supply maintenance device | |
| CN108574274B (en) | Power supply protection circuit applied to vehicle-mounted tracker | |
| CN111277136A (en) | Power conversion circuit, circuit board and power conversion device applied to AGV | |
| CN213279526U (en) | Power supply control circuit and circuit board of brushless direct current motor | |
| CN216530539U (en) | Input overvoltage protection circuit and DC-DC switching power supply module | |
| CN212137970U (en) | High-grid-voltage LED drive circuit | |
| CN220210639U (en) | Light source protection circuit, LED light source and lamp | |
| CN211107280U (en) | Automobile safety power supply and automobile system | |
| CN215452787U (en) | Human body sensing module direct current power supply adaptive circuit and power supply device | |
| CN217563531U (en) | Be applied to car rainfall solar sensor's second grade step-down circuit | |
| CN216848530U (en) | Car light fault detection system and vehicle | |
| CN216565656U (en) | Driving circuit applied to dynamic daytime running light | |
| CN219740030U (en) | Vehicle-mounted redundant power supply and electric automobile | |
| CN211047299U (en) | Non-inductive lighting driving circuit system | |
| CN218633321U (en) | Output voltage dicyclo steady voltage protection circuit | |
| CN113271698B (en) | Single-ended power supply 1-10V T8 LED dimming lamp tube | |
| CN220822612U (en) | DC reclosing power supply circuit and DC reclosing | |
| CN220570337U (en) | Power supply switching circuit, power consumption adjusting circuit and electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |