CN218920653U - Automobile blind area lamp circuit - Google Patents
Automobile blind area lamp circuit Download PDFInfo
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- CN218920653U CN218920653U CN202222694453.1U CN202222694453U CN218920653U CN 218920653 U CN218920653 U CN 218920653U CN 202222694453 U CN202222694453 U CN 202222694453U CN 218920653 U CN218920653 U CN 218920653U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model discloses an automobile blind zone lamp circuit, which relates to the technical field of illumination and comprises an ultrasonic receiving and processing module, a power supply module and a power supply module, wherein the ultrasonic receiving and processing module is used for receiving ultrasonic signals and processing the signals; the prompt module is used for signal wireless prompt control; the signal conversion module is used for detecting, processing and outputting a direct current signal; the strong light control module is used for controlling the access of the first resistance circuit; the weak light control module is used for controlling the connection of the second resistance circuit in an opposite phase; the ambient light detection control module is used for detecting ambient light illuminance; and the pulse adjusting module is used for adjusting the pulse signal and adjusting the brightness of the lighting lamp module. The automobile blind area lamp circuit provided by the utility model is used for detecting the distance between an automobile and a contact object in an automobile blind area region, and performing weak light control and photosensitive control when the dangerous distance is out, so that energy-saving illumination control is realized, blind area illumination is provided in real time, strong light control is performed when the automobile blind area lamp circuit is in the dangerous distance, and meanwhile, wireless prompt is performed by matching with a prompt module, so that the blind area prompt is effectively performed.
Description
Technical Field
The utility model relates to the technical field of illumination, in particular to an automobile blind area lamp circuit.
Background
Along with economic development, the automobile is driven into thousands of households, becomes a common transportation tool for people to travel, and the driving safety is also a primary problem for automobile use, the driving safety is closely related to automobile blind areas, many accidents of large-sized vehicles are caused by visual field blind areas, most of the existing automobiles are provided with cameras and illuminating lamps in the visual field blind areas, blind area illumination and blind area shooting can be carried out in real time, manual operation of drivers is needed, the operation is troublesome, and if the cameras and the illuminating lamps are opened for a long time, the energy waste is easily caused, the service life of equipment is reduced, and therefore, the improvement is needed.
Disclosure of Invention
The embodiment of the utility model provides an automobile blind area lamp circuit for solving the problems in the background technology.
According to an embodiment of the present utility model, there is provided an automobile blind spot lamp circuit including: the device comprises an ultrasonic receiving and processing module, a prompting module, a signal conversion module, a strong light control module, a weak light control module, an ambient light detection control module, a pulse adjusting module and an illuminating lamp module;
the ultrasonic receiving and processing module is used for receiving the ultrasonic signal sent by the ultrasonic sending device and performing signal conversion, amplification and filtering processing on the ultrasonic signal;
the prompting module is connected with the ultrasonic receiving and processing module and is used for receiving the signal output by the ultrasonic receiving and processing module and carrying out wireless transmission;
the signal conversion module is connected with the ultrasonic receiving and processing module and is used for receiving the signal output by the ultrasonic receiving and processing module, performing detection processing on the signal and outputting a direct current signal;
the strong light control module is connected with the signal conversion module and is used for receiving the direct current signal and controlling the first resistance circuit to be connected with the pulse adjusting module;
the weak light control module is connected with the signal conversion module and is used for receiving the direct current signal and controlling the direct current signal to be connected with the pulse adjusting module in an opposite-phase manner through a second resistance circuit;
the environment light detection control module is used for detecting the environment illumination intensity and outputting illumination control signals and is used for manually controlling the transmission of the illumination control signals;
the pulse adjusting module is connected with the strong light control module, the weak light control module and the ambient light detection control module, and is used for adjusting the duty ratio of the output pulse signals according to the accessed first resistance circuit and second resistance circuit, and is used for receiving the illumination control signals and controlling the work of the pulse generating circuit;
and the lighting lamp module is connected with the pulse adjusting module and is used for receiving the pulse signal output by the pulse adjusting module and controlling the work of the lighting lamp circuit.
Compared with the prior art, the utility model has the beneficial effects that: the automobile blind area lamp circuit adopts the ultrasonic wave receiving and processing module to realize the distance detection of the automobile and the contact object in the automobile blind area, and when the dangerous distance is outside, the weak light control module and the environment light detection control module continuously control the work of the pulse adjusting module, so that the energy-saving control of the lighting module is realized, the blind area illumination is provided for a driver in real time, when the automobile blind area lamp circuit is within the dangerous distance, the strong light control module controls the work of the pulse adjusting module, and meanwhile, the wireless prompt is carried out by matching with the prompting module, so that the blind area condition of the driver can be effectively prompted, the approaching object can be warned, the safety of the automobile is greatly improved, and the service life of the circuit is prolonged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments of the present utility model will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic block diagram of an automotive blind spot lamp circuit according to an embodiment of the present utility model.
Fig. 2 is a circuit diagram of an automobile blind spot lamp circuit provided by the embodiment of the utility model.
Fig. 3 is a connection circuit diagram of a prompt module provided in an embodiment of the present utility model.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
specifically, the ultrasonic receiving and processing module 1 is configured to receive an ultrasonic signal sent by the ultrasonic sending device and perform signal conversion, amplification and filtering processing on the ultrasonic signal;
the prompting module 2 is connected with the ultrasonic receiving and processing module 1 and is used for receiving signals output by the ultrasonic receiving and processing module 1 and carrying out wireless transmission;
the signal conversion module 3 is connected with the ultrasonic wave receiving and processing module 1 and is used for receiving the signal output by the ultrasonic wave receiving and processing module 1, performing detection processing and outputting a direct current signal;
the strong light control module 4 is connected with the signal conversion module 3 and is used for receiving the direct current signal and controlling the first resistance circuit to be connected with the pulse adjusting module 7;
the weak light control module 5 is connected with the signal conversion module 3 and is used for receiving the direct current signal and controlling a second resistance circuit for reversely controlling the direct current signal to be connected with the pulse adjusting module 7;
the ambient light detection control module 6 is used for detecting the ambient light intensity and outputting an illumination control signal, and is used for manually controlling the transmission of the illumination control signal;
the pulse adjusting module 7 is connected with the strong light control module 4, the weak light control module 5 and the environment light detection control module 6, and is used for adjusting the duty ratio of the output pulse signals according to the connected and second resistance circuits, and is used for receiving the illumination control signals and controlling the work of the pulse generating circuit;
and the lighting lamp module 8 is connected with the pulse adjusting module 7 and is used for receiving the pulse signal output by the pulse adjusting module 7 and controlling the work of a lighting lamp circuit.
In a specific embodiment, the ultrasonic receiving processing module 1 can use an ultrasonic receiving circuit and a signal amplifying and filtering circuit to complete the receiving, converting, amplifying and filtering processing of ultrasonic signals; the prompt module 2 can adopt a wireless radio frequency circuit to realize wireless transmission of signals; the signal conversion module 3 may convert an input ultrasonic signal into a direct current signal by using a rectifying circuit; the strong light control module 4 adopts a switch circuit to control the access of the first resistance circuit; the weak light control module 5 can adopt an inverse switch control circuit to control the access of the second resistance circuit; the ambient light detection control module 6 may be, but is not limited to, an illuminance detection circuit composed of a photoresistor and a phototransistor; the pulse adjusting module 7 can adopt a pulse generating circuit with adjustable duty ratio; the lamp module 8 may employ an LED lighting circuit.
In embodiment 2, referring to fig. 2 and 3, based on embodiment 1, the ultrasonic receiving processing module 1 includes a receiving end, a first resistor R1, a first capacitor C1, a second resistor R2, a first operational amplifier OP1, a third resistor R3, a third capacitor C3, a second capacitor C2, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a second operational amplifier OP2, a seventh resistor R7, and a fourth capacitor C4;
specifically, the receiving end is connected to one end of the first resistor R1 and sequentially passes through the first capacitor C1 and the second resistor R2 to be connected to an inverting end of the first operational amplifier OP1 and one end of the third resistor R3, the other end of the third resistor R3 is connected to an output end of the first operational amplifier OP1 and sequentially passes through the third capacitor C3 and the sixth resistor R6 to be connected to an inverting end of the second operational amplifier OP2 and one end of the seventh resistor R7, the non-inverting end of the first operational amplifier OP1 is connected to the non-inverting end of the second operational amplifier OP2, one end of the fifth resistor R5 is connected to one end of the fourth resistor R4 and is connected to a ground end through the second capacitor C2, the other end of the fourth resistor R4 is grounded, the other end of the fifth resistor R5 is connected to the first power supply, the other end of the seventh resistor R7 is connected to the output end of the second operational amplifier OP2 and the first end of the fourth capacitor C4, and the second end of the fourth capacitor C4 is connected to the signal conversion module 3.
In a specific embodiment, the receiving end may use an electret pickup for receiving the reflected ultrasonic signal and converting the reflected ultrasonic signal into a processable ultrasonic signal; the first operational amplifier OP1 and the second operational amplifier can both use an AD642 operational amplifier to form a second-stage amplifying circuit for signal amplification treatment, and form a frequency-selecting filter circuit by matching with a first capacitor C1, a second capacitor C2 and a third capacitor C3,
it should be noted that, the ultrasonic signal received by the receiving end is sent by an ultrasonic transmitter (not shown), and the ultrasonic returns after contacting the obstacle in a certain direction, which is not described herein.
Further, the signal conversion module 3 includes a first diode D1, a first voltage regulator VD1, and a fifth capacitor C5;
specifically, the anode of the first diode D1 and the cathode of the first voltage stabilizing tube VD1 are both connected to the second end of the fourth capacitor C4, the cathode of the first diode D1 is connected to one end of the fifth capacitor C5, the strong light control module 4 and the weak light control module 5, and the anode of the first voltage stabilizing tube VD1 and the other end of the fifth capacitor C5 are both grounded.
In a specific embodiment, the first voltage stabilizing tube VD1 is configured to perform voltage stabilizing processing on an input signal; the first diode is used for converting an input signal into a direct current signal.
Further, the pulse adjusting module 7 includes a second diode D2, a third diode D3, a sixteenth resistor R16, a first regulator U1, a seventh capacitor C7, a nineteenth resistor R19, a fourth switching tube VT4, and a fourth diode D4; the illuminating lamp module 8 comprises an LED module;
specifically, the anode of the fourth diode D4 and the first end of the LED module are connected to the power module, the cathode of the fourth diode D4 is connected to the cathode of the second diode D2, the anode of the third diode D3 and the seventh end of the first regulator U1 through a sixteenth resistor R16, the anode of the second diode D2, the cathode of the third diode D3 and one end of the sixth capacitor are connected to the strong light control module 4 and the weak light control module 5, the fourth end of the first regulator U1 is connected to the ambient light detection control module 6, the fifth end of the first regulator U1 is connected to the other end of the sixth capacitor through a seventh capacitor C7, the first end of the first regulator U1, the emitter and the ground end of the fourth switch tube VT4 are connected to the third end of the first regulator U1 through a nineteenth resistor R19, and the collector of the fourth switch tube VT4 is connected to the base of the fourth switch tube VT 4.
In a specific embodiment, the first regulator U1 may be an NE555 integrated circuit, where a pulse generating circuit is formed; the fourth switching transistor VT4 may be an NPN transistor.
Further, the strong light control module 4 comprises a first switch tube VT1, an eighth resistor R8, and a ninth resistor R9;
specifically, the collector of the first switching tube VT1 is connected to one end of the eighth resistor R8 and one end of the ninth resistor R9, the other end of the eighth resistor R8 and the other end of the ninth resistor R9 are respectively connected to the anode of the second diode D2 and the cathode of the third diode D3, the emitter of the first switching tube VT1 is connected to the second end of the first regulator U1, and the base of the first switching tube VT1 is connected to the cathode of the first diode D1.
In a specific embodiment, the first switching transistor VT1 may be an NPN transistor; the eighth resistor R8 and the ninth resistor R9 regulate the pulse signal output by the first regulator U1 according to the input resistance value, so as to realize strong light control.
Further, the low light control module 5 includes a tenth resistor R10, an eleventh resistor R11, a second switching tube VT2, a twelfth resistor R12, a thirteenth resistor R13, a fourteenth resistor R14, a fifteenth resistor R15, and a third switching tube VT3;
specifically, one end of the tenth resistor R10 and one end of the eleventh resistor R11 are respectively connected to the anode of the second diode D2 and the cathode of the third diode D3, the other end of the eleventh resistor R11 and the other end of the tenth resistor R10 are both connected to the emitter of the second switching tube VT2, the collector of the second switching tube VT2 is connected to the second end of the first regulator U1, the base of the second switching tube VT2 is connected to the emitter of the third switching tube VT3 and one end of the thirteenth resistor R13 and is connected to the cathode of the second diode D2 and one end of the fifteenth resistor R15 through the twelfth resistor R12, the other end of the fifteenth resistor R15 is connected to the collector of the third switching tube VT3, and the base of the third switching tube VT3 is connected to the cathode of the first diode D1 and is connected to the other end of the thirteenth resistor R13 and the ground through the fourteenth resistor R14.
In a specific embodiment, the second switching tube VT2 may be a PNP type triode, the third switching tube VT3 may be an NPN type triode, and the inverter circuit is formed by matching with surrounding components; the tenth resistor R10 and the eleventh resistor R11 regulate the pulse signal output by the first regulator U1 according to the input resistance value, thereby realizing weak light control.
Further, the prompt module 2 includes a signal transmitter U2, an eighth capacitor C8, an antenna, a ninth capacitor C9, and a first coil L1;
specifically, the fifth end of the signal transmitter U2 is connected to the anode of the first diode D1, the first end of the signal transmitter U2 is connected to the power module, the eighth end of the signal transmitter U2 is connected to the antenna through the eighth capacitor C8, the sixth end of the signal transmitter U2 is connected to the seventh end of the signal transmitter U2 through the first coil L1, the third end of the signal transmitter U2 is connected to the fourth end of the signal transmitter U2 through the ninth capacitor C9, and the second end of the signal transmitter U2 is grounded.
In a specific embodiment, the signal transmitter U2 may be an FDD400 chip, and is configured to wirelessly transmit an ultrasonic signal.
It should be noted that a signal receiver (not shown) is required to be adopted in the terminal to realize the wireless prompt function, and the JDD400 chip may be adopted to wirelessly receive the signal sent by the signal transmitter U2, which is not described in detail herein.
Further, the ambient light detection control module 6 includes a first key switch S1, a seventeenth resistor R17, an eighteenth resistor R18, a fifth switching transistor VT5, and a phototransistor U3;
specifically, one end of the first key switch S1, one end of the seventeenth resistor R17 and one end of the eighteenth resistor R18 are all connected to the cathode of the fourth diode D4, the other end of the first key switch S1 is connected to the other end of the seventeenth resistor R17, the collector of the fifth switching tube VT5 and the fourth end of the first regulator U1, the base of the fifth switching tube VT5 is connected to the first end of the phototransistor U3, the second end of the phototransistor U3 is connected to the other end of the eighteenth resistor R18, and the emitter of the fifth switching tube VT5 is connected to the ground.
In a specific embodiment, the first key switch S1 is used to control whether the first regulator U1 needs to perform photosensitive control; the fifth switching tube VT5 can be an NPN triode; the phototransistor U3 may be 3UD series, and specific types are not limited.
According to the automobile blind zone lamp circuit, a receiving end receives a returned ultrasonic signal and converts the ultrasonic signal into an electric signal, amplification and filtering processing are carried out by the first operational amplifier OP1 and the second operational amplifier OP2 so as to be output by the fourth capacitor C4, the output signal is converted into a direct current signal through the first diode D1, when an object is detected in a range, the first switch tube VT1 and the third switch tube VT3 are conducted, the second switch tube VT2 is cut off, the eighth resistor R8 and the ninth resistor R9 are connected, the first regulator U1 outputs a pulse signal to control the conduction of the fourth switch tube VT4, the LED module is controlled to carry out strong light illumination, when the object is not detected in the range, the first switch tube VT1 and the third switch tube VT3 are cut off, the second switch tube VT2 is conducted, the tenth resistor R10 and the eleventh resistor R11 are connected, the first regulator U1 outputs the pulse signal to control the LED module to carry out weak light illumination, and the environment light detection control module 6 can control whether the first key switch S1 is used for detecting the object or not, the first resistor U1 is required to send the dark signal to the range, the first resistor U2 is required to be simultaneously, the light sensor module is required to send the dark signal to the light signal to the second switch U2, and the light sensor module is required to be controlled to send the dark current signal to the light to the LED module to the second resistor, and the light signal is required to be cut off in the range, the light sensor module is required to be controlled to send the dark, and the light to the light signal is required to be the light controlled, and the light to the LED module is controlled.
This car blind area lamp circuit adopts ultrasonic wave to receive processing module 1 to realize carrying out distance detection to car and contact object in car blind area region, when dangerous distance is outside, by the work of weak light control module 5 and environmental light detection control module 6 continuous control pulse adjustment module 7, realize the energy-saving control of illumination lamp module 8, provide the blind area illumination for the driver in real time, when being in dangerous distance, by the work of strong light control module 4 control pulse adjustment module 7, cooperate prompt module 2 to carry out wireless suggestion simultaneously, not only can effectively prompt driver's blind area condition, can also warn the object that is close to, improve the security of car greatly, and the life of extension circuit.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. A dead zone lamp circuit of an automobile is characterized in that,
this car blind area lamp circuit includes: the device comprises an ultrasonic receiving and processing module, a prompting module, a signal conversion module, a strong light control module, a weak light control module, an ambient light detection control module, a pulse adjusting module and an illuminating lamp module;
the ultrasonic receiving and processing module is used for receiving the ultrasonic signal sent by the ultrasonic sending device and performing signal conversion, amplification and filtering processing on the ultrasonic signal;
the prompting module is connected with the ultrasonic receiving and processing module and is used for receiving the signal output by the ultrasonic receiving and processing module and carrying out wireless transmission;
the signal conversion module is connected with the ultrasonic receiving and processing module and is used for receiving the signal output by the ultrasonic receiving and processing module, performing detection processing on the signal and outputting a direct current signal;
the strong light control module is connected with the signal conversion module and is used for receiving the direct current signal and controlling the first resistance circuit to be connected with the pulse adjusting module;
the weak light control module is connected with the signal conversion module and is used for receiving the direct current signal and controlling the direct current signal to be connected with the pulse adjusting module in an opposite-phase manner through a second resistance circuit;
the environment light detection control module is used for detecting the environment illumination intensity and outputting illumination control signals and is used for manually controlling the transmission of the illumination control signals;
the pulse adjusting module is connected with the strong light control module, the weak light control module and the ambient light detection control module, and is used for adjusting the duty ratio of the output pulse signals according to the accessed first resistance circuit and second resistance circuit, and is used for receiving the illumination control signals and controlling the work of the pulse generating circuit;
and the lighting lamp module is connected with the pulse adjusting module and is used for receiving the pulse signal output by the pulse adjusting module and controlling the work of the lighting lamp circuit.
2. The automobile blind spot lamp circuit according to claim 1, wherein the ultrasonic receiving and processing module comprises a receiving end, a first resistor, a first capacitor, a second resistor, a first operational amplifier, a third resistor, a third capacitor, a second capacitor, a fourth resistor, a fifth resistor, a sixth resistor, a second operational amplifier, a seventh resistor and a fourth capacitor;
the receiving end is connected with one end of the first resistor and sequentially passes through the first capacitor and the second resistor to be connected with the inverting end of the first operational amplifier and one end of the third resistor, the other end of the third resistor is connected with the output end of the first operational amplifier and sequentially passes through the third capacitor and the sixth resistor to be connected with the inverting end of the second operational amplifier and one end of the seventh resistor, the in-phase end of the first operational amplifier is connected with the in-phase end of the second operational amplifier, one end of the fifth resistor is connected with one end of the fourth resistor and is connected with the ground end through the second capacitor, the other end of the fourth resistor is grounded, the other end of the fifth resistor is connected with the first power supply, the other end of the seventh resistor is connected with the output end of the second operational amplifier and the first end of the fourth capacitor, and the second end of the fourth capacitor is connected with the signal conversion module.
3. The automobile blind spot lamp circuit according to claim 2, wherein the signal conversion module comprises a first diode, a first voltage regulator tube and a fifth capacitor;
the anode of the first diode and the cathode of the first voltage stabilizing tube are both connected with the second end of the fourth capacitor, the cathode of the first diode is connected with one end of the fifth capacitor, the strong light control module and the weak light control module, and the anode of the first voltage stabilizing tube and the other end of the fifth capacitor are both grounded.
4. The automobile blind spot lamp circuit according to claim 3, wherein the pulse adjusting module comprises a second diode, a third diode, a sixteenth resistor, a first regulator, a seventh capacitor, a nineteenth resistor, a fourth switching tube and a fourth diode; the illuminating lamp module comprises an LED module;
the anode of the fourth diode and the first end of the LED module are connected with the power supply module, the cathode of the fourth diode is connected with the cathode of the second diode, the anode of the third diode and the seventh end of the first regulator through a sixteenth resistor, the anode of the second diode, the cathode of the third diode and one end of the sixth capacitor are connected with the strong light control module and the weak light control module, the fourth end of the first regulator is connected with the ambient light detection control module, the fifth end of the first regulator is connected with the other end of the sixth capacitor through a seventh capacitor, the first end of the first regulator, the emitter of the fourth switch tube and the ground end of the first regulator, the third end of the first regulator is connected with the base of the fourth switch tube through a nineteenth resistor, and the collector of the fourth switch tube is connected with the second end of the LED module.
5. The automobile blind spot lamp circuit according to claim 4, wherein the strong light control module comprises a first switch tube, an eighth resistor and a ninth resistor;
the collector of the first switching tube is connected with one end of the eighth resistor and one end of the ninth resistor, the other end of the eighth resistor and the other end of the ninth resistor are respectively connected with the anode of the second diode and the cathode of the third diode, the emitter of the first switching tube is connected with the second end of the first regulator, and the base of the first switching tube is connected with the cathode of the first diode.
6. The automobile blind spot lamp circuit according to claim 4, wherein the weak light control module comprises a tenth resistor, an eleventh resistor, a second switching tube, a twelfth resistor, a thirteenth resistor, a fourteenth resistor, a fifteenth resistor, and a third switching tube;
one end of the tenth resistor and one end of the eleventh resistor are respectively connected with the anode of the second diode and the cathode of the third diode, the other end of the eleventh resistor and the other end of the tenth resistor are both connected with the emitter of the second switching tube, the collector of the second switching tube is connected with the second end of the first regulator, the base of the second switching tube is connected with the emitter of the third switching tube and one end of the thirteenth resistor and is connected with the cathode of the second diode and one end of the fifteenth resistor through the twelfth resistor, the other end of the fifteenth resistor is connected with the collector of the third switching tube, and the base of the third switching tube is connected with the cathode of the first diode and is connected with the other end of the thirteenth resistor and the ground through the fourteenth resistor.
7. The automobile blind spot lamp circuit according to claim 4, wherein the prompting module comprises a signal emitter, an eighth capacitor, an antenna, a ninth capacitor and a first coil;
the fifth end of the signal transmitter is connected with the anode of the first diode, the first end of the signal transmitter is connected with the power module, the eighth end of the signal transmitter is connected with the antenna through an eighth capacitor, the sixth end of the signal transmitter is connected with the seventh end of the signal transmitter through the first coil, the third end of the signal transmitter is connected with the fourth end of the signal transmitter through a ninth capacitor, and the second end of the signal transmitter is grounded.
8. The automobile blind spot lamp circuit according to claim 4, wherein the ambient light detection control module comprises a first key switch, a seventeenth resistor, an eighteenth resistor, a fifth switching tube and a phototransistor;
one end of the first key switch, one end of the seventeenth resistor and one end of the eighteenth resistor are all connected with the cathode of the fourth diode, the other end of the first key switch is connected with the other end of the seventeenth resistor, the collector of the fifth switch tube and the fourth end of the first regulator, the base of the fifth switch tube is connected with the first end of the phototriode, the second end of the phototriode is connected with the other end of the eighteenth resistor, and the emitter of the fifth switch tube is connected with the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222694453.1U CN218920653U (en) | 2022-10-13 | 2022-10-13 | Automobile blind area lamp circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222694453.1U CN218920653U (en) | 2022-10-13 | 2022-10-13 | Automobile blind area lamp circuit |
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| Publication Number | Publication Date |
|---|---|
| CN218920653U true CN218920653U (en) | 2023-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222694453.1U Active CN218920653U (en) | 2022-10-13 | 2022-10-13 | Automobile blind area lamp circuit |
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| CN (1) | CN218920653U (en) |
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- 2022-10-13 CN CN202222694453.1U patent/CN218920653U/en active Active
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