CN220626888U - Pedestrian reminding device control circuit for vehicle - Google Patents
Pedestrian reminding device control circuit for vehicle Download PDFInfo
- Publication number
- CN220626888U CN220626888U CN202321052001.1U CN202321052001U CN220626888U CN 220626888 U CN220626888 U CN 220626888U CN 202321052001 U CN202321052001 U CN 202321052001U CN 220626888 U CN220626888 U CN 220626888U
- Authority
- CN
- China
- Prior art keywords
- circuit
- chip
- pin
- voice signal
- control circuit
- 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
- 230000003321 amplification Effects 0.000 claims description 17
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 17
- 239000003990 capacitor Substances 0.000 claims description 15
- 238000010248 power generation Methods 0.000 claims description 8
- 238000010615 ring circuit Methods 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The utility model provides a pedestrian reminding device control circuit for a vehicle, which comprises a power supply circuit, an MCU main control circuit, a voice signal receiving circuit, a bell circuit, an LED light circuit and a voice signal transmitting circuit, wherein the output end of the power supply circuit is in power supply connection with the MCU main control circuit, the output end of the voice signal receiving circuit is connected with the input end of the MCU main control circuit, the output end of the MCU main control circuit is connected with the input end of the bell circuit and the input end of the LED light circuit, the output end of the bell circuit is connected with a loudspeaker for playing audio, the output end of the LED light circuit is connected with an LED lamp, and the input end of the voice signal receiving circuit is in wireless connection with the output end of the voice signal transmitting circuit. The beneficial effects of the utility model are as follows: the pedestrian can be reminded, the pedestrian can not be disturbed, the LED lamp can be lightened to emit a flashing light, the pedestrian is reminded more remarkably, and the safety and convenience of automobile driving are improved.
Description
Technical Field
The utility model relates to the technical field of control circuits, in particular to a pedestrian reminding device control circuit for a vehicle.
Background
The horn is an acoustic signal device of an automobile. During the running process of the automobile, a driver sends out necessary sound signals according to the needs and regulations to warn pedestrians and draw attention of other vehicles, so that the traffic safety is ensured, and the automobile is also used for prompting and transmitting signals. The electric horn of the automobile emits sound by vibration of the metal diaphragm. The electric horn consists of iron core, magnetic coil, contact, armature, diaphragm, etc. When a driver presses down the horn switch, current passes through the coil, magnetic force is generated by the coil to attract the armature, the armature moves to disconnect the contact, the current is interrupted, the magnetic force of the coil disappears, the diaphragm and the armature restore to the original position together under the action of the elasticity of the diaphragm and the spring piece, the contact closed circuit is switched on again, and the current passes through the coil to generate magnetic force through the contact, so that the actions are repeated. The diaphragm is repeatedly circulated in this way to vibrate continuously, so that sound is emitted. The soundboard is rigidly connected with the membrane, so that the vibration can make sound more pleasant.
At present, in the running process of an automobile, when the automobile runs to a place where the automobile meets pedestrians, the pedestrians are surprised by the loud speaker according to the loudspeaker, but if the pedestrians do not know that the automobile is behind the pedestrians, the normal running of the automobile can be influenced because the pedestrians do not know that the automobile is behind the pedestrians.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides the pedestrian reminding device control circuit for the vehicle, which can remind pedestrians and prevent the pedestrians from being disturbed due to overlarge sound through the mutually matched power supply circuit, the MCU main control circuit, the voice signal receiving circuit, the bell sound circuit, the LED light circuit and the voice signal transmitting circuit, and can light the LED lamp to send a flashing lamp when playing the bell sound, so that the pedestrians are more prominently reminded, the safety and the convenience of the running of the vehicle are improved, and the problem that the pedestrians are easily disturbed due to the overlarge sound of the horn of the vehicle in the prior art is solved.
The utility model provides a pedestrian reminding device control circuit for a vehicle, which comprises a power supply circuit, an MCU main control circuit, a voice signal receiving circuit, a ringtone circuit, an LED light circuit and a voice signal transmitting circuit, wherein the output end of the power supply circuit is in power supply connection with the MCU main control circuit, the output end of the voice signal receiving circuit is connected with the input end of the MCU main control circuit, the output end of the MCU main control circuit is connected with the input end of the ringtone circuit and the input end of the LED light circuit, the output end of the ringtone circuit is connected with a loudspeaker for playing audio, the output end of the LED light circuit is connected with an LED lamp, the input end of the voice signal receiving circuit is in wireless connection with the output end of the voice signal transmitting circuit, a voice signal transmitting chip U3 capable of converting voice signals into electric signals is arranged in the voice signal transmitting circuit, and the MCU main control circuit ringtone can further control the ringtone circuit to play the LED light which flashes according to the signals received by the voice signal receiving circuit.
The utility model is further improved, the MCU master control circuit is provided with an MCU master control chip U1, wherein the MCU master control chip U1 is provided with 8 pins, the 1 st pin of the MCU master control chip U1 is connected with the output end of the voice signal receiving circuit, the 2 nd pin and the 3 rd pin of the MCU master control chip U1 are connected with the input end of the bell sound circuit, the 4 th pin and the 7 th pin of the MCU master control chip U1 are connected with the input end of the LED light circuit, and the 6 th pin of the MCU master control chip U1 is connected with the output end of the power supply circuit.
The utility model is further improved, the power supply circuit is provided with a power management chip U6, a diode D1, a diode D2, a resistor R9 and a filter capacitor C16, wherein the power management chip U6 is provided with 8 pins, the 1 st pin of the power management chip U6 is connected with the cathode of the diode D1 and the cathode of the diode D2, the anode of the diode D1 and the anode of the diode D2 are connected with a wind power generation unit, the 3 rd pin and the 4 th pin of the power management chip U6 are connected with one end of the resistor R9, the other end of the resistor R9 is connected with a rechargeable battery, the 8 th pin of the power management chip U6 is connected with the 6 th pin of the MCU main control chip U1 and one end of the filter capacitor C16, and the 6 th pin of the power management chip U6 and the other end of the filter capacitor C16 are grounded.
The utility model is further improved, the voice signal transmitting circuit is provided with a voice signal transmitting chip U3, wherein the voice signal transmitting chip U3 is provided with 8 pins, the 2 nd pin and the 3 rd pin of the voice signal transmitting chip U3 are connected with voice recognition sensors, and the 9 th pin of the voice signal transmitting chip U3 is in wireless connection with the 1 st pin of the signal receiving decoding chip U8.
The voice signal transmitting circuit is further improved, the voice signal transmitting circuit is provided with a signal transmitting chip U9, wherein the signal transmitting chip U9 is provided with 8 pins, the 3 rd pin and the 4 th pin of the signal transmitting chip U9 are connected with a signal transmitting control button, and the 5 th pin of the signal transmitting chip U9 is in wireless connection with the 1 st pin of the signal receiving decoding chip U8.
The utility model is further improved, the ring circuit is provided with an audio chip U12, a power amplification chip U10, a capacitor C8 and a resistor R4, wherein the audio chip U12 is provided with 16 pins, the power amplification chip U10 is provided with 8 pins, the 9 th pin of the audio chip U12 is connected with the 4 th pin of the power amplification chip U10 sequentially through the capacitor C8 and the resistor R4, the 6 th pin of the audio chip U12 is connected with the 2 nd pin of the MCU master control chip U1, the 1 st pin of the power amplification chip U10 is connected with the 3 rd pin of the MCU master control chip U1, and the 6 th pin of the power amplification chip U10 is connected with a loudspeaker for playing audio.
According to the utility model, the LED light circuit is further improved, the LED light circuit is provided with the triode Q1 and the resistor R19, the base electrode of the triode Q1 is connected with one end of the resistor R19, the other end of the resistor R19 is connected with the 4 th pin of the MCU main control chip U1, and the emitting electrode of the triode Q1 is connected with an LED lamp.
The utility model is further improved, the model of the MCU main control chip U1 is FT60F121-RB, the model of the voice signal transmitting chip U3 is NDR9112, the model of the signal receiving decoding chip U8 is R4A, and the signal frequency is 433MHZ.
The utility model is further improved, the model of the power management chip U6 is IP5303, the model of the audio chip U12 is WT2003H, and the model of the power amplification chip U10 is WT8871.
According to the utility model, the wind power generation unit, the loudspeaker for playing the audio and the LED lamp are all arranged at the automobile air inlet grid, and the signal emission control button is arranged at the automobile internal control console.
Compared with the prior art, the utility model has the beneficial effects that: the utility model provides a pedestrian reminding device control circuit for vehicle, through mutually supporting power supply circuit, MCU master control circuit, speech signal receiving circuit, ringtone circuit, LED light circuit and speech signal transmitting circuit, MCU master control circuit can be according to speech signal receiving circuit received signal and then control ringtone circuit broadcast ringtone, LED light that LED light circuit sent the scintillation, can enough remind the pedestrian, can not disturb the pedestrian because of the too big surprise of sound again, when broadcasting the ringtone, can lighten the LED lamp and send the flashing light, more striking reminds the pedestrian, the security and the convenience that have improved the car and have travelled, the problem that the car loudspeaker sound is too big and is easy to surprise the pedestrian among the prior art has been solved.
Drawings
For a clearer description of the present application or of the solutions of the prior art, a brief introduction will be given below to the drawings used in the description of the embodiments or of the prior art, it being apparent that the drawings in the description below are some embodiments of the present application, from which other drawings can be obtained, without the inventive effort for a person skilled in the art.
FIG. 1 is a schematic block diagram of an MCU master control circuit of the present utility model;
FIG. 2 is a circuit diagram of the MCU master control circuit of the present utility model;
FIG. 3 is a circuit diagram of the power supply circuit of the present utility model;
FIG. 4 is a circuit diagram of a speech signal receiving circuit according to the present utility model;
FIG. 5 is a circuit diagram of a speech signal transmitting circuit of the present utility model;
fig. 6 is a circuit diagram of a ring signal circuit of the present utility model;
fig. 7 is a circuit diagram of an LED lighting circuit of the present utility model.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
In order to better understand the technical solutions of the present application, the following description will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings.
As shown in fig. 1-7, the control circuit of the pedestrian reminding device for the vehicle provided by the utility model comprises a power supply circuit, an MCU main control circuit, a voice signal receiving circuit, a ring signal circuit, an LED light circuit and a voice signal transmitting circuit, wherein the output end of the power supply circuit is in power supply connection with the MCU main control circuit, the output end of the voice signal receiving circuit is connected with the input end of the MCU main control circuit, the output end of the MCU main control circuit is connected with the input end of the ring signal circuit and the input end of the LED light circuit, the output end of the ring signal circuit is connected with a loudspeaker for playing audio, the output end of the LED light circuit is connected with an LED lamp, the input end of the voice signal receiving circuit is in wireless connection with the output end of the voice signal transmitting circuit, and a voice signal transmitting chip U3 capable of converting voice signals into electric signals and transmitting the electric signals is arranged in the voice signal transmitting circuit. In this embodiment, MCU main control circuit can be according to the signal that voice signal receiving circuit received and then control ring circuit broadcast ring, LED light that LED light circuit sent the scintillation, can enough remind the pedestrian, can not disturb the pedestrian because of the too big surprise of sound again, when broadcasting the ring, can lighten the LED lamp and send the flashing light, more striking warning pedestrian has improved the security and the convenience that the car was driven.
As shown in fig. 2, the MCU master control circuit is provided with an MCU master control chip U1, wherein the MCU master control chip U1 is provided with 8 pins, the 1 st pin of the MCU master control chip U1 is connected with the output end of the voice signal receiving circuit, the 2 nd and 3 rd pins of the MCU master control chip U1 are connected with the input end of the bell circuit, the 4 th and 7 th pins of the MCU master control chip U1 are connected with the input end of the LED light circuit, and the 6 th pin of the MCU master control chip U1 is connected with the output end of the power supply circuit, wherein the model of the MCU master control chip U1 is FT60F121-RB. In this embodiment, the MCU master control circuit is configured to control the ring signal circuit to play a ring signal according to the signal received by the voice signal receiving circuit, and the LED light circuit emits a flashing LED light.
As shown in fig. 3, the power supply circuit is provided with a power management chip U6, a diode D1, a diode D2, a resistor R9 and a filter capacitor C16, wherein the power management chip U6 is provided with 8 pins, the 1 st pin of the power management chip U6 is connected with the cathode of the diode D1 and the cathode of the diode D2, the anode of the diode D1 and the anode of the diode D2 are connected with a wind power generation unit, the 3 rd pin and the 4 th pin of the power management chip U6 are connected with one end of the resistor R9, the other end of the resistor R9 is connected with a rechargeable battery, the 8 th pin of the power management chip U6 is connected with the 6 th pin of the MCU main control chip U1 and one end of the filter capacitor C16, and the 6 th pin of the power management chip U6 and the other end of the filter capacitor C16 are grounded; the power management chip U6 is IP5303, and the wind power generation unit is arranged at an automobile air inlet grid. In this embodiment, the power supply circuit is used to supply power to the MCU master control circuit.
As shown in fig. 4, the voice signal receiving circuit is provided with a signal receiving decoding chip U8, wherein the signal receiving decoding chip U8 is provided with 6 pins, the 1 st pin of the signal receiving decoding chip U8 is wirelessly connected with the output end of the voice signal transmitting circuit, the 5 th pin of the signal receiving decoding chip U8 is connected with the 1 st pin of the MCU master control chip U1, and the 2 nd, 3 rd, 4 th and 6 th pins of the signal receiving decoding chip U8 are grounded; the model of the signal receiving decoding chip U8 is R4A, and the signal frequency is 433MHZ. In this embodiment, the voice signal receiving circuit is configured to receive the 433MHZ command signal and transmit the command signal to the MCU master control circuit.
As shown in fig. 5, the voice signal transmitting circuit is provided with a voice signal transmitting chip U3, wherein the voice signal transmitting chip U3 is provided with 8 pins, pins 2 and 3 of the voice signal transmitting chip U3 are connected with a voice recognition sensor, and pin 9 of the voice signal transmitting chip U3 is in wireless connection with pin 1 of the signal receiving decoding chip U8; the model of the voice signal transmitting chip U3 is NDR9112, the signal frequency is 433MHZ, and the signal transmitting control button is arranged at the control console in the automobile. In this embodiment, the voice signal transmitting circuit is used to send out 433MHZ command signal.
As shown in fig. 6, the ring circuit is provided with an audio chip U12, a power amplification chip U10, a capacitor C8 and a resistor R4, wherein the audio chip U12 is provided with 16 pins, the power amplification chip U10 is provided with 8 pins, the 9 th pin of the audio chip U12 is connected with the 4 th pin of the power amplification chip U10 sequentially through the capacitor C8 and the resistor R4, the 6 th pin of the audio chip U12 is connected with the 2 nd pin of the MCU master control chip U1, the 1 st pin of the power amplification chip U10 is connected with the 3 rd pin of the MCU master control chip U1, and the 6 th pin of the power amplification chip U10 is connected with a loudspeaker for playing audio; the model of the audio chip U12 is WT2003H, and a loudspeaker for playing audio is arranged at the automobile air inlet grid. In this embodiment, the ring circuit is configured to control the loudspeaker to play the specified audio file according to the instruction of the MCU master control circuit.
As shown in fig. 7, the LED light circuit is provided with a triode Q1 and a resistor R19, the base electrode of the triode Q1 is connected with one end of the resistor R19, the other end of the resistor R19 is connected with the 4 th pin of the MCU main control chip U1, and the emitter electrode of the triode Q1 is connected with an LED lamp; the model of the power amplifier chip U10 is WT8871, and the LED lamps are arranged at the automobile air inlet grid. In this embodiment, the LED light circuit is configured to control the LED lamp to emit a flickering LED light according to an instruction of the MCU main control circuit.
Working principle: the voice signal transmitting circuit is triggered by a driver to signal the transmission control button to send 433MHz command signal, the voice signal receiving circuit receives the command signal, the command signal is decoded and then output to the MCU main control circuit, the MCU main control circuit sends a preset audio signal to the bell circuit, the bell circuit amplifies music and plays the music through a 3W loudspeaker, pedestrians can be reminded, the pedestrians cannot be disturbed due to overlarge sound, the LED lamp is lightened to emit a flashing light when the bell is played, and the pedestrians are reminded more prominently. When the voice signal receiving circuit does not receive the instruction signal, the voice signal receiving circuit outputs a low level to enable the MCU main control circuit to be in a standby state, the ring circuit is closed, and the wind power generation unit of the power supply circuit is used for generating current to charge the rechargeable battery until the rechargeable battery is full as long as the vehicle starts to run; the rechargeable battery adopts the rechargeable battery with 500MAH capacity, and under the vehicle stop state, the longest standby time can last 100 hours, and the power supply circuit can turn off the power supply when the rechargeable battery is less than 3.3V, plays the effect of protecting the battery, and the wind power generation unit is more than 3.5V with rechargeable battery again, and the power supply circuit supplies power to MCU main control circuit, and MCU main control circuit works again.
From the above, the utility model provides a pedestrian reminding device control circuit for a vehicle, which is arranged between a power supply and a central processing unit, and through a power supply circuit, an MCU main control circuit, a voice signal receiving circuit, a ringtone circuit, an LED light circuit and a voice signal transmitting circuit which are mutually matched, the MCU main control circuit can further control the ringtone circuit to play ringtone according to signals received by the voice signal receiving circuit, and the LED light circuit to flash LED light, so that pedestrians can be reminded, and the pedestrians cannot be disturbed due to overlarge sound.
The above embodiments are preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, which includes but is not limited to the embodiments, and equivalent modifications according to the present utility model are within the scope of the present utility model.
Claims (10)
1. A pedestrian alert control circuit for a vehicle, characterized by: the LED lamp comprises a power supply circuit, an MCU main control circuit, a voice signal receiving circuit, a ring signal circuit, an LED lamp light circuit and a voice signal transmitting circuit, wherein the output end of the power supply circuit is in power supply connection with the MCU main control circuit, the output end of the voice signal receiving circuit is connected with the input end of the MCU main control circuit, the output end of the MCU main control circuit is connected with the input end of the ring signal circuit and the input end of the LED lamp light circuit, the output end of the ring signal circuit is connected with a loudspeaker for playing audio, the output end of the LED lamp light circuit is connected with an LED lamp, the input end of the voice signal receiving circuit is in wireless connection with the output end of the voice signal transmitting circuit, a voice signal transmitting chip U3 capable of converting voice signals into electric signals to be transmitted is arranged in the voice signal transmitting circuit, and the MCU main control circuit can control the ring signal played by the ring signal circuit according to signals received by the voice signal receiving circuit.
2. The pedestrian reminder control circuit for a vehicle of claim 1, wherein: the MCU master control circuit is provided with an MCU master control chip U1, wherein the MCU master control chip U1 is provided with 8 pins, the 1 st pin of the MCU master control chip U1 is connected with the output end of the voice signal receiving circuit, the 2 nd pin and the 3 rd pin of the MCU master control chip U1 are connected with the input end of the bell sound circuit, the 4 th pin and the 7 th pin of the MCU master control chip U1 are connected with the input end of the LED light circuit, and the 6 th pin of the MCU master control chip U1 is connected with the output end of the power supply circuit.
3. The pedestrian reminder control circuit for a vehicle of claim 2, wherein: the power supply circuit is provided with a power management chip U6, a diode D1, a diode D2, a resistor R9 and a filter capacitor C16, wherein the power management chip U6 is provided with 8 pins, the 1 st pin of the power management chip U6 is connected with the cathode of the diode D1 and the cathode of the diode D2, the anode of the diode D1 and the anode of the diode D2 are connected with a wind power generation unit, the 3 rd pin and the 4 th pin of the power management chip U6 are connected with one end of the resistor R9, the other end of the resistor R9 is connected with a rechargeable battery, the 8 th pin of the power management chip U6 is connected with the 6 th pin of the MCU master control chip U1 and one end of the filter capacitor C16, and the 6 th pin of the power management chip U6 and the other end of the filter capacitor C16 are grounded.
4. The pedestrian reminder control circuit for a vehicle of claim 3, wherein: the voice signal receiving circuit is provided with a signal receiving decoding chip U8, wherein the signal receiving decoding chip U8 is provided with 6 pins, the 1 st pin of the signal receiving decoding chip U8 is in wireless connection with the output end of the voice signal transmitting circuit, the 5 th pin of the signal receiving decoding chip U8 is connected with the 1 st pin of the MCU main control chip U1, and the 2 nd, 3 rd, 4 th and 6 th pins of the signal receiving decoding chip U8 are grounded.
5. The pedestrian reminder control circuit for a vehicle of claim 4, wherein: the voice signal transmitting circuit is provided with a voice signal transmitting chip U3, wherein the voice signal transmitting chip U3 is provided with 8 pins, the 2 nd pin and the 3 rd pin of the voice signal transmitting chip U3 are connected with a voice recognition sensor, and the 9 th pin of the voice signal transmitting chip U3 is in wireless connection with the 1 st pin of the signal receiving decoding chip U8.
6. The pedestrian reminder control circuit for a vehicle of claim 5, wherein: the ring circuit is provided with an audio chip U12, a power amplification chip U10, a capacitor C8 and a resistor R4, wherein the audio chip U12 is provided with 16 pins, the power amplification chip U10 is provided with 8 pins, the 9 th pin of the audio chip U12 is sequentially connected with the 4 th pin of the power amplification chip U10 through the capacitor C8 and the resistor R4, the 6 th pin of the audio chip U12 is connected with the 2 nd pin of the MCU main control chip U1, the 1 st pin of the power amplification chip U10 is connected with the 3 rd pin of the MCU main control chip U1, and the 6 th pin of the power amplification chip U10 is connected with a loudspeaker for playing audio.
7. The pedestrian reminder control circuit for a vehicle of claim 6, wherein: the LED light circuit is provided with a triode Q1 and a resistor R19, the base electrode of the triode Q1 is connected with one end of the resistor R19, the other end of the resistor R19 is connected with the 4 th pin of the MCU main control chip U1, and the emitting electrode of the triode Q1 is connected with an LED lamp.
8. The pedestrian reminder control circuit for a vehicle of claim 7, wherein: the MCU main control chip U1 is FT60F121-RB, the voice signal transmitting chip U3 is NDR9112, the signal receiving and decoding chip U8 is R4A, and the signal frequency is 433MHZ.
9. The pedestrian reminder control circuit for a vehicle of claim 8, wherein: the model of the power management chip U6 is IP5303, the model of the audio chip U12 is WT2003H, and the model of the power amplification chip U10 is WT8871.
10. The pedestrian reminder control circuit for a vehicle of claim 9, wherein: the wind power generation unit, the loudspeaker for playing the audio frequency and the LED lamps are arranged at the automobile air inlet grid, and the signal emission control button is arranged at the automobile internal control console.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321052001.1U CN220626888U (en) | 2023-05-05 | 2023-05-05 | Pedestrian reminding device control circuit for vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321052001.1U CN220626888U (en) | 2023-05-05 | 2023-05-05 | Pedestrian reminding device control circuit for vehicle |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220626888U true CN220626888U (en) | 2024-03-19 |
Family
ID=90224402
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321052001.1U Active CN220626888U (en) | 2023-05-05 | 2023-05-05 | Pedestrian reminding device control circuit for vehicle |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220626888U (en) |
-
2023
- 2023-05-05 CN CN202321052001.1U patent/CN220626888U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101531177A (en) | Anti-theft alarm for vehicles | |
CN220626888U (en) | Pedestrian reminding device control circuit for vehicle | |
CN212685405U (en) | Novel motor vehicle horn device | |
CN219590699U (en) | Pedestrian reminding device control circuit for vehicle | |
KR20240054949A (en) | Automotive wireless horn | |
KR101871598B1 (en) | traffic control sign lamp | |
CN201087868Y (en) | Movable alarm device | |
CN211087525U (en) | Vehicle-mounted driving voice prompt system | |
CN2930173Y (en) | Electric vehicle horn | |
CN202243176U (en) | Back-up buzzer capable of adjusting white noise | |
CN2386998Y (en) | Automobile multifunctional warner | |
US20240094978A1 (en) | Manner knock horn device for vehicle | |
CN211669719U (en) | Automatic alarm | |
CN1966339A (en) | Acoustic generator for electric bicycle | |
CN2654439Y (en) | Recordable remote control indicating device for finding car | |
CN217742711U (en) | Cat ball | |
CN214215612U (en) | Special loudspeaker of ambulance | |
CN201774671U (en) | High frequency multitone reversing horn | |
CN218122981U (en) | Electric motor car horn device | |
CN219601503U (en) | Sound effect system of motorcycle | |
CN213661905U (en) | Can be to filterable audio amplifier of making an uproar that falls of speech signal | |
CN202294502U (en) | Vehicle-mounted getting-off door bell device | |
JP2002023761A (en) | Electronic siren device for vehicle | |
CN204836538U (en) | Electric motor car is with high -pressure loudspeaker driver chip | |
CN202952898U (en) | Volume and tone adjustable automobile horn |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |