CN214420328U

CN214420328U - Vehicle-mounted alarm distress device

Info

Publication number: CN214420328U
Application number: CN202120509470.6U
Authority: CN
Inventors: 马中民
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2021-10-19
Anticipated expiration: 2031-03-09

Abstract

The utility model discloses an on-vehicle warning device of calling for help relates to car safety device technical field, including box shell, install power, main control chip, wireless transceiver and the alarm in the box shell, wireless transceiver and alarm are connected with the main control chip electricity respectively, and main control chip, wireless transceiver and alarm all are connected with the power. When the vehicle breaks down and leans on the limit to park at the in-process of traveling, through the utility model discloses the trouble vehicle can in time send the warning or seek help signal to other vehicles on every side, and other vehicles on every side can dodge or the succour to the trouble vehicle after receiving the signal.

Description

Vehicle-mounted alarm distress device

Technical Field

The utility model relates to an automobile safety device technical field particularly, relates to an on-vehicle warning device of calling for help.

Background

The existing vehicle can only turn on the double-flash warning lamp when an emergency happens in the driving process, or a red triangular warning board is placed at a certain distance behind an accident vehicle after the accident happens. However, if the driver is in a region with a large visual blind area such as a curved ramp or in natural weather such as heavy fog, rain, snow and the like with dark sky, the driver in the following vehicle is not easy to see clearly, and secondary accidents are easily caused.

SUMMERY OF THE UTILITY MODEL

In order to overcome above-mentioned problem or solve above-mentioned problem at least partially, the embodiment of the utility model provides a vehicle-mounted alarm distress device to reduce because the vehicle takes place emergency and leans on the limit when parkking in the driving process, the emergence of secondary accident.

When an emergency or an accident happens to a vehicle in driving, a driver presses down the double-flash switch and simultaneously switches on the audio emitter at the rear part of the vehicle roof to send an emergency audio signal backwards, the distance between the audio emitter and the audio emitter is at least two hundred meters, and a vehicle-mounted audio receiver of a rear vehicle reminds the driver of avoiding through audio. The vehicle-mounted audio transmitting and receiving device can be connected with a vehicle-mounted storage battery, has an automatic charging function, and is long in signal duration and stable.

The embodiment of the utility model is realized like this:

the utility model provides a vehicle-mounted alarm distress device, its includes the box shell, installs power, main control chip, wireless transceiver and the alarm in above-mentioned box shell, and above-mentioned wireless transceiver and above-mentioned alarm are connected with above-mentioned main control chip electricity respectively, and above-mentioned main control chip, wireless transceiver and alarm all are connected with above-mentioned power.

In some embodiments of the present invention, the device further comprises a positioning module, wherein the positioning module is electrically connected to the main control chip and connected to the power supply.

In some embodiments of the present invention, the sound outlet hole is disposed at a position of the box casing close to the alarm.

In some embodiments of the present invention, the wireless transceiver includes a wireless transceiver chip NRF 401;

a crystal oscillator is connected between the No. 1 pin XC1 and the No. 20 pin XC2 of the wireless transceiver chip NRF 401;

the No. 3 pin VSS of the wireless transceiver chip NRF401 is grounded, and a capacitor C3, a resistor R2 and a capacitor C4 are connected in series between the No. 3 pin VSS and the No. 4 pin FILT 1;

a peripheral inductor L1 is connected between the No. 5 pin VOC1 and the No. 6 pin VOC2 of the wireless transceiver chip NRF 401;

the pin RF _ PWR No. 11 of the wireless transceiver chip NRF401 is connected in series with the resistor R3 and then grounded;

a differential circuit is connected between the pin ANT1 No. 16 and the pin ANT2 No. 15 of the wireless transceiver chip NRF 401;

the dc power supply access terminal of the wireless transceiver chip NRF 401: the No. 2 pin VDD, the No. 8 pin VDD and the No. 13 pin VDD are all connected with the filter capacitor in series and then grounded.

In some embodiments of the present invention, the crystal oscillator includes a crystal oscillator Y1, a resistor R1, a capacitor C1 and a capacitor C2, the crystal oscillator Y1 and the resistor R1 are connected in parallel between the pin XC1 of the number 1 and the pin XC2 of the number 2, the capacitor C1 and the capacitor C2 are connected in series and then connected in parallel with the crystal oscillator Y1, and the common terminal of the capacitor C1 and the capacitor C2 is grounded.

In some embodiments of the utility model, above-mentioned main control chip is singlechip AT89C51, and above-mentioned singlechip AT89C51 is connected with above-mentioned wireless transceiver chip NRF401 through the extension chip.

In some embodiments of the present invention, the extension chip is an 8155 chip.

The utility model discloses an in some embodiments, above-mentioned alarm includes the LED warning light, and above-mentioned LED warning light is connected with above-mentioned singlechip AT89C51 through above-mentioned 8155 chip.

In some embodiments of the present invention, the alarm further includes a voice alarm prompting circuit, and the voice alarm prompting circuit is connected between one of the power pins VDD and No. 10 pin DOUT of the wireless transceiver chip NRF 401.

The utility model discloses an in some embodiments, still include wireless communication module, mobile terminal passes through above-mentioned wireless communication module and above-mentioned main control chip signal connection.

The embodiment of the utility model provides an at least, have following advantage or beneficial effect:

the utility model discloses in, provide an mountable at the inside or outside on-vehicle warning distress device of automobile body, the device mainly comprises box shell to and parts such as power, main control chip, wireless transceiver and the alarm of installation fixing in the box. The master control chip, the wireless transceiver and the alarm can be respectively powered by a power supply, and can also be powered uniformly by the master control chip. For convenient to use, can all set this product on every car, and can make the use such as mobile phone mobile terminal, the double-flash key car TV in the car of main control chip connection. When a certain vehicle breaks down on a certain road section, the wireless transceiver chip is simultaneously switched on when the double flashes are pressed down, signals are sent to vehicle-mounted alarm and help calling devices in other surrounding vehicles, the wireless transceiver chips in the other vehicles transmit the information to the main control chip after receiving the signals, and then the alarm device gives an alarm. The alarming mode can be presented in a video mode through a vehicle-mounted television or a mobile terminal, and a driver can be reminded of avoiding in a voice broadcasting mode. In addition, the vehicle-mounted alarming and help-calling device can be communicated with a vehicle-mounted storage battery, and has an automatic charging function, so that the endurance time of the device can be ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of an embodiment of a vehicle-mounted alarm distress device of the present invention;

fig. 2 is a connection block diagram of core components of an embodiment of the vehicle-mounted alarm distress device of the present invention;

fig. 3 shows a transceiver chip and a peripheral circuit of an embodiment of the vehicle-mounted alarm distress device of the present invention;

fig. 4 shows the control chip, the transceiver chip and the alarm connection circuit of an embodiment of the vehicle-mounted alarm distress device.

Icon: 1-a housing; 11-sound outlet hole; 2-a power supply; 3-a main control chip; 4-a wireless transceiver; 41-wireless transceiver chip; 5-an alarm; 51-LED warning light; 52-voice alarm prompting circuit; 6-an extended chip; 100-mobile terminal.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the position or positional relationship indicated by the terms "center", "inside", "outside", etc. is based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are conventionally placed when in use, it is only for convenience of description and simplification of the present invention, and it is not intended to indicate or imply that the device or element indicated must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

Referring to fig. 1, 2 and 3, the present embodiment provides a vehicle-mounted alarm and help calling device, including a box housing 1, a power supply 2 installed in the box housing 1, a main control chip 3, a wireless transceiver 4 and an alarm 5, where the wireless transceiver 4 and the alarm 5 are respectively electrically connected to the main control chip 3, and the main control chip 3, the wireless transceiver 4 and the alarm 5 are all connected to the power supply 2.

The embodiment of the utility model provides an in, provide an mountable at the inside or outside on-vehicle warning distress device of automobile body, the device mainly comprises box shell 1 to and parts such as power 2, main control chip 3, wireless transceiver 4 and alarm 5 that the installation was fixed in the box. The main control chip 3, the wireless transceiver 4 and the alarm 5 can be respectively powered by the power supply 2, and can also be powered uniformly by the main control chip 3. For example, in the present embodiment, a connection block diagram of each component inside the box casing 1 is shown in fig. 2 (the arrow direction in the figure indicates the signal transmission direction).

For convenient use, the product can be arranged on each vehicle, and the main control chip 3 can be connected with the mobile phone mobile terminal 100, the vehicle-mounted television with double-flash keys in the vehicle, and the like. When a certain vehicle breaks down on a certain road section, the wireless transceiver chip 41 is simultaneously switched on when double flashes are pressed down, signals are sent to vehicle-mounted alarm and help calling devices in other surrounding vehicles, the wireless transceiver chips 41 in the other vehicles transmit information to the main control chip 3 after receiving the signals, and then the alarm device gives an alarm. The alarming mode can be presented in a video mode through a vehicle-mounted television or the mobile terminal 100, a driver can be reminded of avoiding in a voice broadcasting mode, voice broadcasting contents can be 'accidents happen in the front (a left lane, a middle lane and a right lane), avoidance is requested', 'medical rescue is needed', 'fire rescue is needed', 'obstacles exist on the road surface, avoidance is requested by careful jogging', and the like, can be synthesized or recorded in advance, and can be directly called when needed. In addition, the vehicle-mounted alarming and help-calling device can be communicated with a vehicle-mounted storage battery, and has an automatic charging function, so that the endurance time of the device can be ensured.

Illustratively, the wireless transceiver 4 provided in the present embodiment includes a wireless transceiver chip 41NRF401 and its peripheral circuits. The working frequency range of the wireless transceiver chip 41NRF401 is 433MHz, the FSK modulation and demodulation technology is adopted, the highest working rate can reach 20k, the transmitting power can be adjusted, the integration level is high, the working frequency is stable and reliable, the number of peripheral components is small, and the power consumption is extremely low, so that the wireless transceiver chip is suitable for the design of portable products.

A crystal oscillation circuit is connected between the pin XC1 No. 1 and the pin XC2 No. 20 of the wireless transceiver chip 41NRF401 to provide a basic clock signal for the system. A loop filter is connected between the pin 3 VSS and the pin 4 FILT1 of the NRF401 of the wireless transceiver chip 41NRF401, and the loop filter is configured by a loop formed by connecting the pin 3 VSS to the ground and the pin 4 FILT1 in series with a capacitor C3, a resistor R2, and a capacitor C4. An external voltage controlled oscillation inductor L1 is connected between the pin No. 5 VOC1 and the pin No. 6 VOC2 of the wireless transceiver chip 41NRF 401. The No. 11 pin RF _ PWR of the wireless transceiver chip 41NRF401 is a transmitting power setting terminal, and in this embodiment, a pull-up resistor R3 is connected thereto. An antenna access terminal is provided between the pin ANT 16 1 and the pin ANT 15 2 of the NRF401 of the wireless transceiver chip 41NRF401, and a differential circuit is connected thereto. In addition, the pin VDD No. 2, the pin VDD No. 8, and the pin VDD No. 13 of the NRF401 of the wireless transceiver chip 41NRF401 are all the input ends of the dc power supply 2, and the connected dc power supply needs to be connected in parallel with a filter capacitor, so that the filter capacitors are connected in series between the several pin VDD and the ground in this embodiment.

Illustratively, the crystal oscillation circuit in the present embodiment is mainly composed of a crystal oscillator Y1, a resistor R1, a capacitor C1, and a capacitor C2. The crystal oscillator Y1 and the resistor R1 are connected in parallel between the No. 1 pin XC1 and the No. 2 pin XC2, the capacitor C1 and the capacitor C2 are connected in series and then connected in parallel with the crystal oscillator Y1, and the common end of the capacitor C1 and the capacitor C2 is grounded.

The reception between the pin ANT1 No. 16 and the pin ANT2 receives the input of the LNA and the output of the power amplifier during transmission. Illustratively, the antenna connected nRF401 is differentially connected to nRF 40. When a differential loop antenna is used, VCC must be input through the center of the loop antenna (as shown in fig. 3).

Illustratively, the main control chip 3 provided by this embodiment is a single chip AT89C51, and the single chip AT89C51 is connected to the wireless transceiver chip 41NRF401 through an expansion chip 6.

AT89C51 is a low-power-consumption high-performance 8-bit singlechip, which is provided with a 4 k-byte Flash erasable programmable read-only memory (PEROM), adopts CMOS technology and high-density non-volatile memory (NURAM) technology, and has output pins and an instruction system compatible with MCU-51 series singlechip. On-chip Flash memory allows for reprogramming within the system or programming with a conventional non-volatile memory programmer. The single chip microcomputer has low requirements on development equipment, the development time is greatly shortened, a program written into the single chip microcomputer can be encrypted, and the labor achievement of an owner can be well protected.

In this embodiment, the wireless transceiver chip 41NRF401 is connected to the single chip AT89C51 through the programmable parallel RAM/IO expansion interface chip 8155, and the connection manner is as shown in fig. 4.

Example 2

Referring to fig. 3, in some embodiments of the present invention, the alarm 5 includes an LED indicator 51, and the LED indicator 51 is connected to the single chip AT89C51 through the 8155 chip.

Illustratively, in this embodiment, the alarm 5 includes a common cathode LEDX5 display screen, which is connected to the single chip AT89C51 through an 8155 chip, when a rear vehicle enters a signal coverage area of the vehicle-mounted alarm and help device in a front accident vehicle, the rear vehicle wireless transceiver 4 receives a prompt signal and then transmits the signal to the single chip, and the single chip drives an LED to display through the parallel interface 8155 to send out an alarm.

Example 3

Referring to fig. 3, in some embodiments of the present invention, the alarm 5 further includes a voice alarm prompt circuit 52, and the voice alarm prompt circuit 52 is connected between the pin VDD of 2 and the pin DOUT of 10 of one of the power supplies of the wireless transceiver chip 41NRF 401.

In this embodiment, CH1000 is a bipolar integrated circuit designed for a buzzer, and when NRF401 receives a signal, its output drives external piezoelectric plate HD to sound an alarm. By combining the LED indicator 51 in embodiment 2, the driver of the coming vehicle can be reminded from both visual and audible aspects to prepare in advance, so as to avoid the occurrence of secondary accidents.

Referring to fig. 2, in some embodiments of the present invention, a sound outlet 11 is disposed at a position of the box housing 1 near the alarm 5.

In this embodiment, because voice alarm 5 sets up in box shell 1, for guaranteeing that voice broadcast is more clear, in this embodiment, be equipped with sound hole 11 in box shell 1 near above-mentioned alarm 5 department.

Example 4

In some embodiments of the present invention, the present invention further comprises a positioning module, wherein the positioning module is electrically connected to the main control chip 3 and connected to the power supply 2.

In the above embodiment, if the driver is simply reminded of the existence of the faulty vehicle around in a voice broadcast manner, the situation is still not intuitive, so that a positioning module can be added to access a GPS or beidou satellite system, and a navigation map is presented through a vehicle-mounted television or a mobile terminal 100 video to replace the LED prompt lamp 51 in the above embodiment, so as to avoid danger or provide help for the faulty vehicle. Meanwhile, the driver of the faulty vehicle can share the current position of the vehicle to a unit or an individual for help by using the vehicle-mounted alarm and help device, and the connected mobile terminal 100 can acquire the current position of the vehicle at any time. Thus, if the driver has other emergencies and can leave in advance, the rescuer can rescue according to the position provided by the positioning module, and the driver can also grasp the real-time position change of the vehicle through the mobile terminal 100.

The positioning module can be a GPS positioning chip or a Beidou positioning chip, and the positioning chip is connected with the main control chip 3.

In addition, for convenient to use, communication modules such as bluetooth, WIFI are added to the accessible, make and realize wireless communication between mobile terminal 100 and the warning distress device to make things convenient for the user to know the position condition of vehicle more conveniently, directly perceived.

To sum up, the embodiment of the utility model provides a vehicle-mounted alarm calling device has following beneficial effect:

the utility model discloses in, provide an mountable at the inside or outside on-vehicle warning distress device of automobile body, the device mainly comprises box shell 1 to and parts such as power 2, main control chip 3, wireless transceiver 4 and alarm 5 that the installation was fixed in the box. The main control chip 3, the wireless transceiver 4 and the alarm 5 can be respectively powered by the power supply 2, and can also be powered uniformly by the main control chip 3. For convenient use, the product can be arranged on each vehicle, and the main control chip 3 can be connected with the mobile phone mobile terminal 100, the vehicle-mounted television with double-flash keys in the vehicle, and the like. When a certain vehicle breaks down on a certain road section, the wireless transceiver chip 41 is simultaneously switched on when double flashes are pressed down, signals are sent to vehicle-mounted alarm and help calling devices in other surrounding vehicles, the wireless transceiver chips 41 in the other vehicles transmit information to the main control chip 3 after receiving the signals, and then the alarm device gives an alarm. The alarming mode can be presented in a video mode through the vehicle-mounted television or the mobile terminal 100, and a driver can be reminded of avoiding in a voice broadcasting mode. In addition, the vehicle-mounted alarming and help-calling device can be communicated with a vehicle-mounted storage battery, and has an automatic charging function, so that the endurance time of the device can be ensured.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application 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.

Claims

1. The utility model provides a vehicle-mounted warning distress device, its characterized in that includes the box shell, installs power, main control chip, wireless transceiver and alarm in the box shell, wireless transceiver with the alarm respectively with the main control chip electricity is connected, main control chip, wireless transceiver and alarm all with the power is connected.

2. The vehicle-mounted alarm and help calling device of claim 1, further comprising a positioning module, wherein the positioning module is electrically connected with the main control chip and is connected by the power supply.

3. The vehicle-mounted alarm and help calling device of claim 1, wherein the box body casing is provided with a sound outlet hole near the alarm.

4. The vehicle-mounted alarm distress device according to claim 1, wherein the wireless transceiver comprises a wireless transceiver chip NRF 401;

a crystal oscillation circuit is connected between a No. 1 pin XC1 and a No. 20 pin XC2 of the wireless transceiver chip NRF 401;

a No. 3 pin VSS of the wireless transceiver chip NRF401 is grounded, and a capacitor C3, a resistor R2 and a capacitor C4 are connected in series between the No. 3 pin VSS and a No. 4 pin FILT 1;

the No. 11 pin RF _ PWR of the wireless transceiver chip NRF401 is connected with a resistor R3 in series and then is grounded;

a differential circuit is connected between the No. 16 pin ANT1 and the No. 15 pin ANT2 of the wireless transceiver chip NRF 401;

the direct-current power supply access end of the wireless transceiver chip NRF 401: the No. 2 pin VDD, the No. 8 pin VDD and the No. 13 pin VDD are all connected with the filter capacitor in series and then grounded.

5. The vehicle-mounted alarm and help calling device as claimed in claim 4, wherein the crystal oscillating circuit comprises a crystal oscillator Y1, a resistor R1, a capacitor C1 and a capacitor C2, the crystal oscillator Y1 and the resistor R1 are connected in parallel between the No. 1 pin XC1 and the No. 2 pin XC2, the capacitor C1 and the capacitor C2 are connected in series and then connected in parallel with the crystal oscillator Y1, and the common terminal of the capacitor C1 and the capacitor C2 is grounded.

6. The vehicle-mounted alarm distress device of claim 4, wherein the main control chip is a single chip microcomputer AT89C51, and the single chip microcomputer AT89C51 is connected with the wireless transceiver chip NRF401 through an expansion chip.

7. The vehicle-mounted alarm and help device as claimed in claim 6, wherein the expansion chip is 8155 chip.

8. The vehicle-mounted alarm and help calling device of claim 7, wherein the alarm comprises an LED (light-emitting diode) prompting lamp, and the LED prompting lamp is connected with the single chip microcomputer AT89C51 through the 8155 chip.

9. The vehicle-mounted alarm distress device of claim 7, wherein the alarm further comprises a voice alarm prompting circuit, and the voice alarm prompting circuit is connected between one of the power supply pins VDD and the No. 10 pin DOUT of the wireless transceiver chip NRF 401.

10. The vehicle-mounted alarm and help calling device according to any one of claims 1 to 9, further comprising a wireless communication module, wherein the mobile terminal is in signal connection with the main control chip through the wireless communication module.