CN219077358U - Automatic control device for high beam and low beam of two-wheeled electric vehicle - Google Patents
Automatic control device for high beam and low beam of two-wheeled electric vehicle Download PDFInfo
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- CN219077358U CN219077358U CN202222768573.1U CN202222768573U CN219077358U CN 219077358 U CN219077358 U CN 219077358U CN 202222768573 U CN202222768573 U CN 202222768573U CN 219077358 U CN219077358 U CN 219077358U
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 33
- 239000013078 crystal Substances 0.000 claims abstract description 19
- 238000005286 illumination Methods 0.000 claims abstract description 12
- 239000003990 capacitor Substances 0.000 claims description 78
- 230000000087 stabilizing effect Effects 0.000 claims description 26
- 206010039203 Road traffic accident Diseases 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
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Abstract
The utility model discloses a far-near light automatic control device of a two-wheeled electric vehicle, which comprises a control circuit, wherein the control circuit comprises a power supply circuit and a main control circuit, the power supply circuit comprises a first power supply conversion chip and a second power supply conversion chip, the first power supply conversion chip is connected with 12V voltage provided by the electric vehicle power supply and then outputs 5V voltage, and the second power supply conversion chip is connected with the first power supply conversion chip and then outputs 3.3V voltage; the main control circuit comprises a singlechip, a transceiver and a crystal oscillator circuit, wherein the singlechip is connected with the 3.3V output end of the second power conversion chip, the crystal oscillator circuit and the illumination intensity sensor on the electric vehicle are respectively connected to corresponding pins of the singlechip, and the light control unit of the electric vehicle is connected with the singlechip through the transceiver. The control circuit of the device utilizes the illumination intensity sensor to sense the light intensity of the vehicle in front, and can realize automatic switching control of the far and near lights of the electric vehicle, thereby improving the vehicle meeting safety of drivers.
Description
Technical Field
The utility model belongs to the field of electric vehicle lamp illumination, and particularly relates to a high-low beam automatic control device of a two-wheeled electric vehicle.
Background
Many riders have the habit of driving the high beam when driving at night, so that a better visual field is obtained, but the high beam is not turned off by oneself before meeting, and the high brightness of the high beam often causes poor sight and dazzling to vehicle personnel, and even causes traffic accidents. The far and near light switching of the existing two-wheel electric vehicle is manually controlled and does not have the automatic switching function of meeting, so that the automatic far and near light control device of the two-wheel electric vehicle is urgently needed.
Disclosure of Invention
In order to solve the defects of the prior art, the utility model aims to provide the far and near light automatic control device for the two-wheeled electric vehicle, and the control circuit of the device senses the light intensity of the front vehicle by utilizing the illumination intensity sensor and can realize the automatic switching control of the far and near lights of the electric vehicle, so that the vehicle meeting safety of drivers is improved.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the automatic control device for the high-low beam of the two-wheeled electric vehicle comprises a control circuit, wherein the control circuit comprises a power supply circuit and a main control circuit, the power supply circuit comprises a first power supply conversion chip and a second power supply conversion chip, the first power supply conversion chip is connected with 12V voltage provided by a power supply of the electric vehicle and then outputs 5V voltage, and the second power supply conversion chip is connected with the first power supply conversion chip and then outputs 3.3V voltage; the first power conversion chip is connected with a first filter circuit, and the second power conversion chip is connected with a second filter circuit; the main control circuit comprises a singlechip, a transceiver and a crystal oscillator circuit, wherein the singlechip is connected with the 3.3V output end of the second power conversion chip, the crystal oscillator circuit and the illumination intensity sensor on the electric vehicle are respectively connected to corresponding pins of the singlechip, and the light control unit of the electric vehicle is connected with the singlechip through the transceiver.
Preferably, the first power conversion chip is a first voltage stabilizing tube, the first filter circuit comprises a seventh capacitor, an eighth capacitor, a ninth capacitor and a diode, the input end of the first voltage stabilizing tube is respectively connected with one end of an eleventh resistor and one end of the seventh capacitor, the other end of the eleventh resistor is connected with 12V voltage provided by an electric vehicle power supply, and the other end of the seventh capacitor is grounded; the output end of the first voltage stabilizing tube outputs 5V voltage and is connected with one end of the eighth capacitor and one end of the ninth capacitor and the cathode of the diode, and the other ends of the eighth capacitor and the ninth capacitor and the anode of the diode are grounded.
Preferably, the second power conversion chip is a second voltage stabilizing tube, and the second filter circuit comprises a fourth capacitor, a fifth capacitor and a sixth capacitor; the input end of the second voltage stabilizing tube is connected with the 5V output end of the first voltage stabilizing tube, and the output end of the second voltage stabilizing tube outputs 3.3V voltage and is grounded through a fourth capacitor, a fifth capacitor and a sixth capacitor which are arranged in parallel.
Preferably, the crystal oscillator circuit comprises a first capacitor, a second capacitor and a crystal, wherein a first hundred and forty feet of the single chip microcomputer are respectively connected with one end of the crystal and one end of the second capacitor, the other end of the crystal is respectively connected with the first hundred and forty feet of the single chip microcomputer and one end of the first capacitor, and the other end of the first capacitor is connected with the other end of the second capacitor and then grounded.
Preferably, the transceiver is connected with the light control unit through the output interface, the first pin and the seventh pin of the transceiver are respectively connected to sixty-six and sixty-five pins of the singlechip, and the second pin and the third pin of the transceiver are grounded; the first and the third pins of the output interface are connected to the fourth pin of the transceiver, and the second and the fourth pins of the output interface are connected to the sixth pin of the transceiver.
The utility model has the beneficial effects that:
1. the utility model replaces the traditional manual switching mode, the light intensity sensor receives the light intensity change of the opposite vehicle, so that the light signal is converted into the electric signal, the electric signal is sent to the main control circuit for processing, the singlechip analyzes the light intensity information and judges whether to turn on the far-reaching headlamp or not, and the electric signal is sent to the light control unit to control the automatic switching of the far-reaching headlamp, thereby avoiding the problem that a rider turns off the far-reaching headlamp untimely or unconsciously to cause visual defects to other vehicles or personnel and even traffic accidents.
2. The first filter circuit can enable the output power supply to fluctuate less and more stable by setting the seventh capacitor, the eighth capacitor, the ninth capacitor, the diode and other filters.
3. The second filter circuit can provide more stable voltage for the singlechip by utilizing the filtering action of the fourth capacitor, the fifth capacitor and the sixth capacitor, so that the utility model has stronger anti-interference and impact capabilities.
Drawings
FIG. 1 is a circuit diagram of a power supply circuit of the present utility model;
fig. 2 is a circuit diagram of a master circuit according to the present utility model.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are provided for illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1-2, the utility model provides a far-near light automatic control device of a two-wheeled electric vehicle, which comprises a control circuit, wherein the control circuit comprises a power supply circuit and a main control circuit, the power supply circuit comprises a first power supply conversion chip and a second power supply conversion chip, the first power supply conversion chip is connected with 12V voltage provided by an electric vehicle power supply and outputs 5V voltage, and the second power supply conversion chip is connected with the first power supply conversion chip and outputs 3.3V voltage, so that the power supply circuit provides stable 3.3V voltage for a singlechip U1 and ensures that the main control circuit works normally.
The first power conversion chip is a first voltage stabilizing tube U3, and the first voltage stabilizing tube U3 is a three-terminal voltage stabilizing tube with the model of 78m 05. The first filter circuit connected to the first voltage stabilizing tube U3 comprises a seventh capacitor C7 (model number is 104), an eighth capacitor C8 (model number is 470U), a ninth capacitor C9 (model number is 226) and a diode D1 (model number is TVS6 diode), the input end of the first voltage stabilizing tube U3 is connected with one end of an eleventh resistor R11 (model number is 5R 1) and one end of the seventh capacitor C7 respectively, the other end of the eleventh resistor R11 is connected with 12V voltage provided by an electric vehicle power supply, and the other end of the seventh capacitor C7 is grounded. After the 12V voltage provided by the electric vehicle battery is limited by an eleventh resistor R11, the 12V voltage is filtered by a seventh capacitor C7 and is sent to a first voltage stabilizing tube U3 to be changed into 5V voltage. The output end of the first voltage stabilizing tube U3 outputs 5V voltage and is connected with one ends of the eighth capacitor C8 and the ninth capacitor C9 and the cathode of the diode D1, and the other ends of the eighth capacitor C8 and the ninth capacitor C9 and the anode of the diode D1 are grounded. The voltage of 5V is filtered by the eighth capacitor C8 and the ninth capacitor C9, and then is energy-absorbed and filtered by the diode D1 and then is sent to the second voltage stabilizing tube U4. The utility model can make the output power supply fluctuation smaller and more stable by arranging the seventh capacitor C7, the eighth capacitor C8, the ninth capacitor C9, the diode D1 and the like for filtering.
The second power conversion chip adopts a second voltage-stabilizing tube U4, and the second voltage-stabilizing tube U4 adopts a three-terminal voltage-stabilizing tube with the model of AMS117-3V 3. The second filter circuit connected to the second voltage regulator U4 includes a fourth capacitor C4 (model number 47 UF), a fifth capacitor C5 (model number 104) and a sixth capacitor C6 (model number 104) which are arranged in parallel. The input end of the second voltage stabilizing tube U4 is connected with the 5V output end of the first voltage stabilizing tube U3, and the output end of the second voltage stabilizing tube U4 outputs standard stable 3.3V voltage and is grounded through a fourth capacitor C4, a fifth capacitor C5 and a sixth capacitor C6 which are arranged in parallel. According to the utility model, through the filtering action of the fourth capacitor C4, the fifth capacitor C5 and the sixth capacitor C6, more stable voltage can be provided for the singlechip U1, so that the utility model has stronger anti-interference and impact capabilities.
The main control circuit comprises a singlechip U1, a transceiver and a crystal oscillator circuit. The model of the singlechip U1 is STM32A, and is mainly responsible for reading information acquired by the illumination intensity sensor, judging whether to turn on the high beam and the low beam after analyzing the illumination intensity information, and if the condition is met, the singlechip U1 sends a CAN instruction for turning on the high beam and the low beam through a built-in CAN controller and a transceiver.
The seventh pin of the singlechip U1 is connected with the 3.3V output end of the second voltage stabilizing tube U4, and the illumination intensity sensor on the electric vehicle is connected to the fifth pin of the singlechip U1. The illumination intensity sensor is arranged in front of the electric vehicle and is used for sensing the light intensity of the vehicle in front, the working of the illumination intensity sensor mainly works according to the photoelectric effect, the incident light intensity is reduced, the resistance is reduced, the incident light intensity is weak, and the resistance is increased.
The crystal oscillator circuit comprises a first capacitor C1 (the model is marked as 30 PF), a second capacitor C2 (the model is marked as 30 PF) and a crystal Y1 (the model is marked as SMHz), wherein a first hundred and forty feet of the single chip microcomputer U1 are respectively connected with one end of the crystal Y1 and one end of the second capacitor C2, the other end of the crystal Y1 is respectively connected with a first hundred and forty feet of the single chip microcomputer U1 and one end of the first capacitor C1, and the other end of the first capacitor C1 is connected with the other end of the second capacitor C2 and then grounded.
The transceiver U8 is connected to the light control unit via an output interface J11. Specifically, the first pin and the seventh pin of the transceiver U8 are respectively connected to sixty-six and sixty-five pins of the singlechip U1, and the second pin and the third pin of the transceiver U8 are grounded; the first and third pins of the output interface J11 are connected to the fourth pin of the transceiver U8, and the second and fourth pins of the output interface J11 are connected to the sixth pin of the transceiver U8. The control signal sent by the singlechip U1 is transmitted to the light control unit through the transceiver U8 and the output interface J11, so that the effective control of the high-beam and low-beam light of the electric vehicle is realized.
When the utility model is used, the illumination intensity sensor U10 arranged on the two-wheeled electric vehicle is used for collecting the light intensity irradiated by the light of the opposite vehicle, the singlechip U1 is used for measuring the light brightness of the opposite vehicle by sending a CAN data frame, the distance between the opposite vehicle and the vehicle CAN be estimated through analysis, when the light intensity is higher than a set value (145/cd), an electric signal is sent out through the transceiver J1, the CAN data instruction for closing the high beam and opening the low beam is received by the vehicle light control module, and the actions of closing the high beam and opening the low beam are executed; below this value (145/cd) the high beam is maintained or switched from low beam to high beam, thus achieving automatic switching of the high beam to low beam. The utility model can replace the traditional manual switching mode, avoid the visual bad effect of the riders on the other vehicles or people caused by untimely or unconscious turning off of the high beam, even cause traffic accidents, and effectively ensure the safety of meeting vehicles during night driving.
It is apparent that the embodiments described above are only some embodiments of the present application, but not all embodiments, the preferred embodiments of the present application are given in the drawings, but not limiting the patent scope of the present application. This application may be embodied in many different forms, but rather, embodiments are provided in order to provide a more thorough understanding of the present disclosure. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing, or equivalents may be substituted for elements thereof. All equivalent structures made by the specification and the drawings of the application are directly or indirectly applied to other related technical fields, and are also within the protection scope of the application.
Claims (5)
1. The utility model provides a two-wheeled electric motor car far and near light automatic control device, includes control circuit, its characterized in that: the control circuit comprises a power circuit and a main control circuit, wherein the power circuit comprises a first power conversion chip and a second power conversion chip, the first power conversion chip is connected with 12V voltage provided by the electric vehicle power supply and then outputs 5V voltage, and the second power conversion chip is connected with the first power conversion chip and then outputs 3.3V voltage; the first power conversion chip is connected with a first filter circuit, and the second power conversion chip is connected with a second filter circuit; the main control circuit comprises a singlechip, a transceiver and a crystal oscillator circuit, wherein the singlechip is connected with the 3.3V output end of the second power conversion chip, the crystal oscillator circuit and the illumination intensity sensor on the electric vehicle are respectively connected to corresponding pins of the singlechip, and the light control unit of the electric vehicle is connected with the singlechip through the transceiver.
2. The automatic control device for high and low beam of two-wheeled electric vehicle according to claim 1, wherein: the first power conversion chip is a first voltage stabilizing tube, the first filter circuit comprises a seventh capacitor, an eighth capacitor, a ninth capacitor and a diode, the input end of the first voltage stabilizing tube is respectively connected with one end of an eleventh resistor and one end of the seventh capacitor, the other end of the eleventh resistor is connected with 12V voltage provided by a power supply of the electric vehicle, and the other end of the seventh capacitor is grounded; the output end of the first voltage stabilizing tube outputs 5V voltage and is connected with one end of the eighth capacitor and one end of the ninth capacitor and the cathode of the diode, and the other ends of the eighth capacitor and the ninth capacitor and the anode of the diode are grounded.
3. The automatic control device for high and low beam of two-wheeled electric vehicle according to claim 2, wherein: the second power conversion chip is a second voltage stabilizing tube, and the second filter circuit comprises a fourth capacitor, a fifth capacitor and a sixth capacitor; the input end of the second voltage stabilizing tube is connected with the 5V output end of the first voltage stabilizing tube, and the output end of the second voltage stabilizing tube outputs 3.3V voltage and is grounded through a fourth capacitor, a fifth capacitor and a sixth capacitor which are arranged in parallel.
4. The automatic control device for high and low beam of two-wheeled electric vehicle according to claim 3, wherein: the crystal oscillator circuit comprises a first capacitor, a second capacitor and a crystal, wherein a first hundred and forty pins of the single chip microcomputer are respectively connected with one end of the crystal and one end of the second capacitor, the other end of the crystal is respectively connected with the first hundred and forty pins of the single chip microcomputer and one end of the first capacitor, and the other end of the first capacitor is connected with the other end of the second capacitor and then grounded.
5. The automatic control device for high and low beam of two-wheeled electric vehicle according to claim 1, wherein: the transceiver is connected with the light control unit through an output interface; the first pin and the seventh pin of the transceiver are respectively connected to sixty-six and sixty-five pins of the singlechip, and the second pin and the third pin of the transceiver are grounded; the first and the third pins of the output interface are connected to the fourth pin of the transceiver, and the second and the fourth pins of the output interface are connected to the sixth pin of the transceiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222768573.1U CN219077358U (en) | 2022-10-20 | 2022-10-20 | Automatic control device for high beam and low beam of two-wheeled electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222768573.1U CN219077358U (en) | 2022-10-20 | 2022-10-20 | Automatic control device for high beam and low beam of two-wheeled electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219077358U true CN219077358U (en) | 2023-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222768573.1U Expired - Fee Related CN219077358U (en) | 2022-10-20 | 2022-10-20 | Automatic control device for high beam and low beam of two-wheeled electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219077358U (en) |
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2022
- 2022-10-20 CN CN202222768573.1U patent/CN219077358U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20230526 |