CN211509396U - Brake lamp control circuit for electric vehicle - Google Patents
Brake lamp control circuit for electric vehicle Download PDFInfo
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- CN211509396U CN211509396U CN201922304507.7U CN201922304507U CN211509396U CN 211509396 U CN211509396 U CN 211509396U CN 201922304507 U CN201922304507 U CN 201922304507U CN 211509396 U CN211509396 U CN 211509396U
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- 239000003990 capacitor Substances 0.000 claims description 6
- 230000000087 stabilizing effect Effects 0.000 description 6
- 239000000306 component Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 239000008358 core component Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013642 negative control Substances 0.000 description 1
- 239000013641 positive control Substances 0.000 description 1
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Abstract
The utility model discloses a brake lamp control circuit for electric motor car. The power supply control circuit, the input signal processing circuit, the output control circuit and the output short circuit feedback protection circuit are all connected with the single chip microcomputer, and the output control circuit is connected with the output short circuit feedback protection circuit. The utility model has the advantages that: through the design of the output short-circuit feedback protection circuit, the short-circuit protection of the brake lamp for the electric vehicle is realized.
Description
Technical Field
The utility model belongs to the technical field of the relevant technique of electric motor car and specifically relates to indicate a brake lamp control circuit for electric motor car.
Background
An electric bicycle is a mechatronic personal transportation tool which takes a storage battery as auxiliary energy and is provided with an electric motor, a controller, the storage battery, a rotating handle brake handle and other operating components and a display instrument system on the basis of a common bicycle.
The controller is a component for controlling the rotating speed of the motor, is also the core of an electric system of the electric vehicle, and has the functions of undervoltage protection, current limiting protection or overcurrent protection. The intelligent controller also has multiple riding modes and a self-checking function of the electric components of the whole vehicle. The controller is a core component for energy management and various control signal processing of the electric vehicle.
The lamp and the meter part are a component combination for providing illumination and displaying the state of the electric vehicle. The instrument generally provides battery voltage display, vehicle speed display, riding state display, lamp state display and the like. The intelligent instrument can also display the fault condition of each electric component of the whole vehicle.
The conventional electric vehicle does not have a short-circuit protection function in the control of the brake lamp.
SUMMERY OF THE UTILITY MODEL
The utility model relates to an overcome and have foretell not enough among the prior art, provide a brake lamp control circuit for electric motor car that can realize short-circuit protection.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an electric motor car is with brake lamp control circuit, includes power control circuit, input signal processing circuit, output control circuit, output short circuit feedback protection circuit and singlechip, power control circuit, input signal processing circuit, output control circuit and output short circuit feedback protection circuit all be connected with the singlechip, output control circuit be connected with output short circuit feedback protection circuit.
According to the scheme, the short-circuit protection of the brake lamp for the electric vehicle is realized through the design of the output short-circuit feedback protection circuit.
Preferably, the power control circuit comprises a diode D1, a resistor R1, a zener diode Z1 and a capacitor C1, wherein the anode of the diode D1 is connected with the positive electrode of the power supply, the cathode of the diode D1 is connected with one end of a resistor R1, the other end of the resistor R1 is connected with the cathode of the zener diode Z1, the anode of the zener diode Z1 is connected with the negative electrode of the power supply, the cathode of the zener diode Z1 is connected with the VDD terminal of the single chip microcomputer, the anode of the zener diode Z1 is connected with the VSS terminal of the single chip microcomputer, and the capacitor C1 is connected with the zener diode Z1 in parallel.
Preferably, the input signal processing circuit comprises a resistor R7 and a resistor R8, one end of the resistor R7 is connected to the positive electrode of the power supply, the other end of the resistor R7 is connected to the input signal and one end of the resistor R8, and the other end of the resistor R8 is connected to the signal input port of the single chip microcomputer.
Preferably, the output control circuit comprises a resistor R4, a transistor Q2, a resistor R9, a resistor R10 and a transistor Q1, one end of the resistor R4 is connected to an output port of the single chip microcomputer, the other end of the resistor R4 is connected to a B pole of the transistor Q2, a C pole of the transistor Q2 is connected to one end of the resistor R9, an E pole of the transistor Q2 is connected to a negative pole of a power supply, the other end of the resistor R9 is connected to a B pole of the transistor Q1 and one end of the resistor R10, a C pole of the transistor Q1 is connected to the signal output terminal, and an E pole of the transistor Q1 and the other end of the resistor R10 are both connected to a positive pole of the power supply.
Preferably, the output short-circuit feedback protection circuit comprises a resistor R5 and a resistor R6, one end of the resistor R5 is connected with the signal output end, the other end of the resistor R5 is connected with the input end of the single chip microcomputer and one end of the resistor R6, and the other end of the resistor R6 is connected with the negative electrode of the power supply.
The utility model has the advantages that: through the design of the output short-circuit feedback protection circuit, the short-circuit protection of the brake lamp for the electric vehicle is realized.
Drawings
Fig. 1 is a circuit block diagram of the present invention;
fig. 2 is a schematic circuit diagram of the present invention.
In the figure: 1. the power supply control circuit 2, the input signal processing circuit 3, the output control circuit 4, the output short circuit feedback protection circuit 5 and the single chip microcomputer.
Detailed Description
The invention is further described with reference to the accompanying drawings and the detailed description.
In the embodiment shown in fig. 1 and 2, the brake lamp control circuit for the electric vehicle comprises a power supply control circuit 1, an input signal processing circuit 2, an output control circuit 3, an output short-circuit feedback protection circuit 4 and a single chip microcomputer 5, wherein the power supply control circuit 1, the input signal processing circuit 2, the output control circuit 3 and the output short-circuit feedback protection circuit 4 are all connected with the single chip microcomputer 5, and the output control circuit 3 is connected with the output short-circuit feedback protection circuit 4.
The power supply control circuit 1 comprises a diode D1, a resistor R1, a voltage stabilizing diode Z1 and a capacitor C1, wherein the anode of the diode D1 is connected with the positive electrode of a power supply, the cathode of a diode D1 is connected with one end of a resistor R1, the other end of the resistor R1 is connected with the cathode of a voltage stabilizing diode Z1, the anode of the voltage stabilizing diode Z1 is connected with the negative electrode of the power supply, the cathode of the voltage stabilizing diode Z1 is connected with the VDD end of the singlechip 5, the anode of the voltage stabilizing diode Z1 is connected with the VSS end of the singlechip 5, and the capacitor C1 is connected with a voltage stabilizing diode Z1 in parallel.
The input signal processing circuit 2 comprises a resistor R7 and a resistor R8, one end of the resistor R7 is connected with the positive electrode of a power supply, the other end of the resistor R7 is connected with an input signal and one end of a resistor R8 respectively, and the other end of the resistor R8 is connected with a signal input port of the singlechip 5.
The output control circuit 3 comprises a resistor R4, a triode Q2, a resistor R9, a resistor R10 and a triode Q1, one end of the resistor R4 is connected with an output port of the singlechip 5, the other end of the resistor R4 is connected with a B pole of the triode Q2, a C pole of the triode Q2 is connected with one end of a resistor R9, an E pole of the triode Q2 is connected with a negative pole of a power supply, the other end of the resistor R9 is respectively connected with a B pole of the triode Q1 and one end of the resistor R10, a C pole of the triode Q1 is connected with a signal output end, and an E pole of the triode Q1 and the other end of the resistor R10 are both connected with a positive pole of the.
The output short-circuit feedback protection circuit 4 comprises a resistor R5 and a resistor R6, one end of the resistor R5 is connected with the signal output end, the other end of the resistor R5 is connected with the input end of the singlechip 5 and one end of the resistor R6 respectively, and the other end of the resistor R6 is connected with the negative electrode of the power supply.
Through the design of the circuit, the negative control signal input by the brake lamp is converted into the positive control signal required by the brake lamp output, and the short-circuit protection function is realized by outputting the short-circuit feedback protection circuit 4.
Claims (5)
1. The utility model provides an electric motor car is with brake lamp control circuit, characterized by, includes power control circuit (1), input signal processing circuit (2), output control circuit (3), output short circuit feedback protection circuit (4) and singlechip (5), power control circuit (1), input signal processing circuit (2), output control circuit (3) and output short circuit feedback protection circuit (4) all be connected with singlechip (5), output control circuit (3) be connected with output short circuit feedback protection circuit (4).
2. The brake lamp control circuit for the electric vehicle as claimed in claim 1, wherein the power control circuit (1) comprises a diode D1, a resistor R1, a zener diode Z1 and a capacitor C1, wherein an anode of the diode D1 is connected to a positive electrode of the power supply, a cathode of the diode D1 is connected to one end of a resistor R1, the other end of the resistor R1 is connected to a cathode of the zener diode Z1, an anode of the zener diode Z1 is connected to a negative electrode of the power supply, a cathode of the zener diode Z1 is connected to a VDD terminal of the single chip microcomputer (5), an anode of the zener diode Z1 is connected to a VSS terminal of the single chip microcomputer (5), and the capacitor C1 is connected to the zener diode Z1 in parallel.
3. The brake lamp control circuit for the electric vehicle as claimed in claim 1, wherein the input signal processing circuit (2) comprises a resistor R7 and a resistor R8, one end of the resistor R7 is connected to the positive electrode of the power supply, the other end of the resistor R7 is connected to the input signal and one end of the resistor R8, and the other end of the resistor R8 is connected to the signal input port of the single chip microcomputer (5).
4. The brake lamp control circuit for the electric vehicle as claimed in claim 1, wherein the output control circuit (3) comprises a resistor R4, a transistor Q2, a resistor R9, a resistor R10 and a transistor Q1, one end of the resistor R4 is connected to the output port of the single chip microcomputer (5), the other end of the resistor R4 is connected to the B pole of the transistor Q2, the C pole of the transistor Q2 is connected to one end of the resistor R9, the E pole of the transistor Q2 is connected to the negative pole of the power supply, the other end of the resistor R9 is connected to the B pole of the transistor Q1 and one end of the resistor R10, the C pole of the transistor Q1 is connected to the signal output terminal, and the E pole of the transistor Q1 and the other end of the resistor R10 are both connected to the positive pole of the power supply.
5. The brake lamp control circuit for the electric vehicle as claimed in claim 1, wherein the output short-circuit feedback protection circuit (4) comprises a resistor R5 and a resistor R6, one end of the resistor R5 is connected to the signal output end, the other end of the resistor R5 is connected to the input end of the single chip microcomputer (5) and one end of the resistor R6, and the other end of the resistor R6 is connected to the negative electrode of the power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922304507.7U CN211509396U (en) | 2019-12-20 | 2019-12-20 | Brake lamp control circuit for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922304507.7U CN211509396U (en) | 2019-12-20 | 2019-12-20 | Brake lamp control circuit for electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211509396U true CN211509396U (en) | 2020-09-15 |
Family
ID=72417493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922304507.7U Expired - Fee Related CN211509396U (en) | 2019-12-20 | 2019-12-20 | Brake lamp control circuit for electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211509396U (en) |
-
2019
- 2019-12-20 CN CN201922304507.7U patent/CN211509396U/en not_active Expired - Fee Related
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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: 20200915 |