CN200959032Y - Badging-holde-fixed supersonic range-finding wireless device - Google Patents
Badging-holde-fixed supersonic range-finding wireless device Download PDFInfo
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- CN200959032Y CN200959032Y CN 200620059965 CN200620059965U CN200959032Y CN 200959032 Y CN200959032 Y CN 200959032Y CN 200620059965 CN200620059965 CN 200620059965 CN 200620059965 U CN200620059965 U CN 200620059965U CN 200959032 Y CN200959032 Y CN 200959032Y
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Abstract
The utility model relates to a fixed type ultrasonic distance measurement wireless equipment of auto plate and pertains to the field of alarm. The utility model comprises a sending module, and a receiving module. The sending module circuit board is arranged in the bracket of the auto plate; the receiving module comprises a power supply circuit, an R F receiving circuit, a display circuit, a speech circuit, an L E D digitron and a single chip. The single chip processor of the sending module sends out ultrasonic pulse signal regularly, the receiving module receives the signals of distance and orientation that is sent by the sending module through the R F receiving circuit to realize digital R F sending and receiving communication function. The utility model has the advantages of a simple structure, novel formation, as well as convenient and rapid installation. And the position and effect of installation are closer to actual distance making the reverse safer.
Description
Technical field
The fixed ultrasonic ranging wireless device of the utility model car plate frame belongs to the alarm apparatus field, particularly relates to the reversing automobile warning system.
Background technology
The radar for backing car that uses on the automobile is to adopt sensor as inductor at present, radar for backing car all is installed on the car by professional equipment by the professional, requirement to personnel and equipment is very high, need on vehicle body, hole, relocate fixing, install inconvenient, have influence on the installation of radar for backing car, also have and adopt outer subsides mode to install, but be exposed to the outside, the external environment influence is big, and radar for backing car has been mounted to very big problem, installation site and effect directly have influence on the safety of reversing automobile.Installing, connecting line will be leaned in signal processing and display part, be connected to car behind the car before, give to install and also bring difficulty.
Summary of the invention
The purpose of this utility model is to avoid the deficiencies in the prior art part and provides a kind of simple and convenient, and assembly cost is low, and installation requirement is not high, can conveniently solve the fixed ultrasonic ranging wireless device of car plate frame of installation question.
The purpose of this utility model reaches by following measure, form by transmitter module and receiver module, transmitter module is by ultrasonic transmit circuit, ultrasound wave received signal circuit, power circuit, radio frequency transtation mission circuit and processor of single chip computer are formed, receiver module is by power circuit, radio-frequency (RF) receiving circuit, display circuit, sound circuit, LED charactron and processor of single chip computer are formed, the processor of single chip computer timed sending ultrasonic pulse signal of transmitter module, send to more than one ultrasonic probe the ultrasonic pulse signal cycle assignment through channel selecting, ultrasound wave received signal circuit receives ultrasonic pulse signal and meets the signal that barrier reflects, through operational amplification circuit, transmit signal to processor of single chip computer, processor of single chip computer calculates the signal that receives, compare the distance between each ultrasonic probe and the barrier, draw the nearest distance of barrier and ultrasonic probe, the orientation, send distance by the radio frequency transtation mission circuit, bearing signal, receiver module receives the distance of sending from transmitter module by radio-frequency (RF) receiving circuit, bearing signal, processor of single chip computer is exported the corresponding instruction signal to display circuit according to signal, the LED charactron shows corresponding information, auditory tone cues electric circuit drives hummer and sends alarm sound, by a rack shell, inductor and transmitter module are formed, two ends are provided with the installing and locating hole on support, the installing and locating hole is corresponding with the fixed bit of automotive license plate, support is provided with the inductor mounting hole, fixedly mount inductor in the inductor mounting hole, the transmitter module circuit is rack-mount.The transmitter module circuit board is installed in the special car plate frame support, the distance of the barrier that transmitter module obtains, orientation, and send by the radio frequency transtation mission circuit, receiver module receives distance, bearing signal by radio-frequency (RF) receiving circuit, by display circuit, corresponding information is presented on the LED screen.
The processor of single chip computer timed sending ultrasonic pulse signal of transmitter module, send to more than one ultrasonic probe the ultrasonic pulse signal cycle assignment through channel selecting, ultrasound wave received signal circuit receives ultrasonic pulse signal and meets the signal that barrier reflects, through operational amplification circuit, transmit signal to processor of single chip computer, processor of single chip computer calculates the signal that receives, compare the distance between each ultrasonic probe and the barrier, draw the nearest distance of barrier and ultrasonic probe, the orientation, send distance by the radio frequency transtation mission circuit, bearing signal, receiver module receives the distance of sending from transmitter module by radio-frequency (RF) receiving circuit, bearing signal, processor of single chip computer is exported the corresponding instruction signal to display circuit according to signal, the LED charactron shows corresponding information, processor of single chip computer control auditory tone cues electric circuit, auditory tone cues electric circuit drives hummer and sends alarm sound, transmitter module sends corresponding signal by the radio frequency transtation mission circuit, receiver module receives the distance that transmitter module sends by radio-frequency (RF) receiving circuit, bearing signal, be input to processor of single chip computer, realize data radio-frequency receiving-transmitting communication function.
Power circuit is made up of filtering, step-down, mu balanced circuit, obtains 5 volts and 8 volts of tributary voltages respectively, and the voltage source of DC stabilization is provided for processor of single chip computer and each circuit.The processor of single chip computer timed sending ultrasonic pulse signal of transmitter module, send to more than one ultrasonic sensor the ultrasonic pulse signal cycle assignment through channel selecting, ultrasound wave received signal circuit receives ultrasonic pulse signal and meets the signal that barrier reflects, through operational amplification circuit, transmit signal to processor of single chip computer, processor of single chip computer calculates the signal that receives, compare the distance between each ultrasonic sensor and the barrier, draw the nearest distance of barrier and ultrasonic sensor, corresponding signal is sent by the radio frequency transtation mission circuit in the orientation.The radio-frequency (RF) receiving circuit of receiver module receives distance, the bearing signal that transmitter module sends, and is input to processor of single chip computer.Processor of single chip computer output corresponding signal is to display circuit, and display circuit driving LED screen shows, demonstrates obstacle distance numerical value and azimuth information prompting on the LED screen, reminds the driver.
The power circuit of transmitter module of the present utility model is to be imported by automobile storage battery, receive the backup lamp both ends of power, backup lamp is lighted during reversing, while emission coefficient energized, by diode and inductance, the filtering of electric capacity, step-down, voltage stabilizing are by 8 volts of DC voltage of output behind the integrated package U2, pass through filtering, step-down, the voltage stabilizing of resistance and electric capacity again, by 5 volts of DC voltage of output behind the integrated package U4.
The ultrasonic emitting of transmitter module is to be sent by processor of single chip computer U1 plug-in, through multidiameter option switch integrated package U3, sends to each ultrasonic sensor the ultrasonic pulse signal cycle assignment.Each ultrasonic sensor links to each other with the integrated package U3 of multidiameter option switch by the ultrasonic sensor match circuit, the ultrasonic sensor match circuit is made up of transtat and triode, triode links to each other with integrated package U3 by resistance, transtat connects triode and ultrasonic sensor, and integrated package U3 connects ultrasonic sensor by diode.
The ultrasound wave received signal circuit of transmitter module is to receive ultrasonic pulse signal to run into the electric signal that barrier reflects, integrated package U3 output by multidiameter option switch, amplifier frequency-selecting, amplification and shaping through integrated package U5 and peripheral cell composition are handled, and are input to processor of single chip computer U1.The signal that ultrasonic sensor detects is through being input to the integrated package U3 of multidiameter option switch after the filtering of diode, electric signal is connected to the operational amplification circuit of being made up of integrated package U5 and peripheral resistance, electric capacity from the output pin of the integrated package U3 of multidiameter option switch, signal is through frequency-selecting, the amplification of operational amplification circuit, relatively export square wave in the back with reference voltage, be input to processor of single chip computer U1.On integrated package U5, connect adjustable resistance W1, by regulating the sensitivity that adjustable resistance W1 adjusts amplifying circuit.
The radio frequency transtation mission circuit of transmitter module is that the processor of single chip computer by transmitter module sends signal, and constituting frequency through power valve Q7 and electric capacity, inductance, sound table resonator SAW is 433MHz ultrahigh frequency radiating circuit, by emitting antenna to aerial emission.
The power circuit of receiver module is by the automobile storage battery input, arrives by diode and inductance, and the filtering of electric capacity, step-down, voltage stabilizing are by the voltage source of 5 volts of DC stabilizations of output behind the integrated package U2.
The radio-frequency (RF) receiving circuit of receiver module is made up of integrated package U3 and resistance, inductance, electric capacity.Receive the signal that launches from transmitter module by antenna,, be input to integrated package U3, handle, obtain distance, bearing signal, be input to processor of single chip computer U1 through integrated package U3 through electric capacity.
The display circuit of receiver module is made up of single-chip microcomputer U1, triode, LEDO charactron and peripheral resistance.Single-chip microcomputer is according to distance, the bearing signal of barrier, directly exports corresponding signal and gives the LED charactron through resistance, provide voice signal by single-chip microcomputer U1 simultaneously and be driven into hummer through triode, hummer because of barrier near sending rapid BiBi sound.
When needs were moveed backward, the utility model began energising work, and power circuit offers transmitter module and receiver module provides needed burning voltage.The built-in control program of processor of single chip computer U1 of transmitter module sends ultrasonic pulse signal, give each ultrasonic sensor through channel selecting with the ultrasonic pulse signal cycle assignment, add supersonic frequency (s.f.) voltage by the ultrasonic sensor match circuit to ultrasonic sensor, ultrasonic sensor sends ultrasound wave, the ultrasound wave that sends is met the barrier reflection, receive through ultrasonic sensor, obtain electric signal, electric signal is through the frequency-selecting of operational amplification circuit, amplify, the output square wave carries out numerical value to processor of single chip computer U1 to be handled, each passage of processor of single chip computer U1 scan round, in a circulation, processor of single chip computer U1 handles the square-wave signal that receives, with analog signal conversion is digital signal, with the digital signal write buffer, carry out computing and comparison, draw ultrasonic sensor in a circulation and the distance between the barrier, and the distance that compares between each ultrasonic sensor and the barrier is big or small, draw minimum distance, processor of single chip computer U1 sends signal according to the radio frequency transtation mission circuit that azimuth-range issues a signal to module, receiver module receives the signal that sends from transmitter module by radio-frequency (RF) receiving circuit, and this information changed into corresponding prompt information, on the LED nixie display, show, processor of single chip computer U1 sends instruction according to the signal that receives and gives the sound driver triode, send the BiBi alarm sound that conforms to it, remind driver's safety of moveing backward.
The utility model is made up of rack shell, inductor and a transmitter module, two ends are provided with the installing and locating hole on support, the installing and locating hole is corresponding with the fixed bit of automotive license plate, and support is provided with three inductor mounting holes, fixedly mounts inductor in the inductor mounting hole.The ultrasound wave sensory package is mounted in three inductor mounting holes on the support, again the transmitter module circuit is installed on this support, water proof rubber pad and support bonnet are fixed on the support back by screw, and support is corresponding with the fixed bit of car plate, draw the power positive cathode connecting line respectively.
The transmitter module circuit is installed on the special support, the fixed installation hole of this support is corresponding with the fixed installation hole of automotive license plate, be fixed on the position of automotive license plate, all there is the inductor mounting hole two ends of this support and centre, inductor mounting hole internal fixation is installed inductor, by lead inductor is connected with the transmitter module circuit board.
The utility model is simple in structure, and moulding uniqueness, novelty are easy for installation, quick, and installation site and effect more can make reversing automobile safer near actual distance.
Description of drawings
Accompanying drawing 1 is an assembly structure synoptic diagram of the present utility model.
Accompanying drawing 2 is a transmitter module circuit diagram of the present utility model.
Accompanying drawing 3 is a receiver module circuit diagram of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing
As shown in Figure 1, the utility model is by rack shell (1), ultrasonic sensor (3), silica gel sheath (4), ultrasonic sensor bottom (5), transmitter module circuit board (6), water proof rubber pad (7), support bottom (8) is formed, and is provided with two installing and locating holes at the two ends of support, the installing and locating hole is corresponding with the fixed bit of automotive license plate, be provided with the ultrasonic sensor installation site at support, ultrasonic sensor is installed in the silica gel sheath, and ultrasonic sensor is installed on the ultrasonic sensor installation site of support, the transmitter module circuit board is fixed on the rack shell, and water proof rubber pad and support bottom are arranged on the bottom surface of rack shell.
As shown in Figure 2, the utility model transmitter module is by ultrasonic transmit circuit, ultrasound wave received signal circuit, power circuit, radio frequency transtation mission circuit and processor of single chip computer are formed, power circuit is made up of filtering, step-down, mu balanced circuit, obtains 5 volts and 8 volts of tributary voltages respectively, and the voltage source of DC stabilization is provided for processor of single chip computer and each circuit.The power circuit of transmitter module is to be imported by automobile storage battery, receive the backup lamp both ends of power, backup lamp is lighted during reversing, while emission coefficient energized, by diode and inductance, the filtering of electric capacity, step-down, voltage stabilizing are by 8 volts of DC voltage of output behind the integrated package U2, pass through filtering, step-down, the voltage stabilizing of resistance and electric capacity again, by 5 volts of DC voltage of output behind the integrated package U6.The ultrasonic emitting of transmitter module is to be sent by processor of single chip computer U1 plug-in, through multidiameter option switch integrated package U3, multidiameter option switch integrated package U3 sends the ultrasonic pulse signal cycle assignment to ultrasonic probe, each ultrasonic probe links to each other with integrated package U3 by the ultrasonic probe match circuit, the ultrasonic probe match circuit is made up of transtat and triode, transtat connects triode and ultrasonic probe, voltage is improved, send ultrasonic pulse signal to promote ultrasonic probe.Each ultrasonic sensor links to each other with the integrated package U3 of multidiameter option switch by the ultrasonic sensor match circuit, the ultrasonic sensor match circuit is made up of transtat and triode, triode links to each other with integrated package U3 by resistance, transtat connects triode and ultrasonic sensor, and integrated package U3 connects ultrasonic sensor by diode.
The ultrasound wave received signal circuit of transmitter module is to receive ultrasonic pulse signal to run into the electric signal that barrier reflects, integrated package U3 output by multidiameter option switch, amplifier frequency-selecting, amplification and shaping through integrated package U5 and peripheral cell composition are handled, and are input to processor of single chip computer U1.The signal that ultrasonic sensor detects is through being input to the integrated package U3 of multidiameter option switch after the filtering of diode, electric signal is connected to the operational amplification circuit of being made up of integrated package U5 and peripheral resistance, electric capacity from the output pin of the integrated package U3 of multidiameter option switch, signal is through frequency-selecting, the amplification of operational amplification circuit, relatively export square wave in the back with reference voltage, be input to processor of single chip computer U1.On integrated package U5D, connect adjustable resistance W1, regulate the sensitivity that adjustable resistance W1 adjusts amplifying circuit.
The radio frequency transtation mission circuit of transmitter module is that 13 human hair combing wastes by processor of single chip computer U1 go out signal, and through power valve triode Q7, it is 433MHz ultrahigh frequency radiating circuit that capacitor C 35, inductance L 5, sound table resonator SAW constitute frequency, passes through transmission antennas transmit.The frequency of operation of data transmission module is 433MHZ, employing sound table resonator SAW frequency stabilization, and frequency stability is high.
In the radio frequency transtation mission circuit, processor of single chip computer U1 timed sending ultrasonic pulse signal, send to more than one ultrasonic probe the ultrasonic pulse signal cycle assignment through selector switch, processor of single chip computer U1 carries out computing with the signal that receives, relatively, draw the nearest distance and bearing between ultrasonic probe and the barrier, send signal by the radio frequency transtation mission circuit, receiving circuit is by radio frequency receiving unit received signal, and be input to processor of single chip computer U1, processor of single chip computer U1 is according to the distance of barrier, command signal is sent to showing and sound circuit, with the distance of barrier in the orientation, bearing signal is presented on the LED charactron.
As shown in Figure 3, the utility model receiver module is by power circuit, radio-frequency (RF) receiving circuit, display circuit, sound circuit, LED screen and processor of single chip computer composition.Power circuit is made up of filtering, step-down, mu balanced circuit, obtains 5 volts and 8 volts of tributary voltages respectively, and the voltage source of DC stabilization is provided for processor of single chip computer and each circuit.The power circuit of receiver module is by the automobile storage battery input, arrives by diode and inductance, and the filtering of electric capacity, step-down, voltage stabilizing are by the voltage source of 5 volts of DC stabilizations of output behind the integrated package U2.The radio-frequency (RF) receiving circuit of receiver module is made up of integrated package U3 and resistance, inductance, electric capacity.Receive the signal that launches from transmitter module by antenna,, be input to integrated package U3, handle, obtain distance, bearing signal, be input to processor of single chip computer U1 through integrated package U3 through electric capacity.The display circuit of receiver module is made up of single-chip microcomputer U1, triode, LEDO charactron and peripheral resistance.Single-chip microcomputer is according to distance, the bearing signal of barrier, directly exports corresponding signal and gives the LED charactron through resistance, provide voice signal by single-chip microcomputer U1 simultaneously and be driven into hummer through triode, hummer because of barrier near sending rapid BiBi sound.
In receiving circuit, radio-frequency (RF) receiving circuit is made up of integrated package U3 and resistance, inductance, electric capacity, receive the signal that launches from transmitter module by antenna, through capacitor C 25, C8, be input to 9 pin of integrated package U3, handle through integrated package U3 (T5744), 20 pin output signals from integrated package U3 are input to processor of single chip computer U1.Crystal oscillator Y2 (6.76438MHZ) and C23 are the inner reference frequency that produces of integrated package U3.
Claims (6)
1, the fixed ultrasonic ranging wireless device of a kind of car plate frame, form by transmitter module and receiver module, transmitter module is by ultrasonic transmit circuit, ultrasound wave received signal circuit, power circuit, radio frequency transtation mission circuit and processor of single chip computer are formed, receiver module is by power circuit, radio-frequency (RF) receiving circuit, display circuit, sound circuit, LED charactron and processor of single chip computer are formed, the processor of single chip computer timed sending ultrasonic pulse signal of transmitter module, send to more than one ultrasonic probe the ultrasonic pulse signal cycle assignment through channel selecting, ultrasound wave received signal circuit receives ultrasonic pulse signal and meets the signal that barrier reflects, through operational amplification circuit, transmit signal to processor of single chip computer, processor of single chip computer calculates the signal that receives, compare the distance between each ultrasonic probe and the barrier, draw the nearest distance of barrier and ultrasonic probe, the orientation, send distance by the radio frequency transtation mission circuit, bearing signal, receiver module receives the distance of sending from transmitter module by radio-frequency (RF) receiving circuit, bearing signal, processor of single chip computer is exported the corresponding instruction signal to display circuit according to signal, the LED charactron shows corresponding information, auditory tone cues electric circuit drives hummer and sends alarm sound, it is characterized in that two ends are provided with the installing and locating hole on support, the installing and locating hole is corresponding with the fixed bit of automotive license plate, support is provided with the inductor mounting hole, fixedly mount inductor in the inductor mounting hole, the transmitter module circuit is rack-mount.
2, the fixed ultrasonic ranging wireless device of car plate frame according to claim 1 is characterized in that water proof rubber pad and support bonnet are fixed on the support back by screw, are connected inductor by lead with the transmitter module circuit board.
3, the fixed ultrasonic ranging wireless device of car plate frame according to claim 1, the radio frequency transtation mission circuit that it is characterized in that transmitter module is that 13 human hair combing wastes by processor of single chip computer U1 go out signal, through power valve triode Q7, it is 433MHz ultrahigh frequency radiating circuit that electric capacity, inductance, sound table resonator constitute frequency, passes through transmission antennas transmit.
4, the fixed ultrasonic ranging wireless device of car plate frame according to claim 1, it is characterized in that radio-frequency (RF) receiving circuit is made up of integrated package U3 and resistance, inductance, electric capacity, receive the signal that launches from transmitter module by antenna, through electric capacity, be input to 9 pin of integrated package U3,20 pin output signals from integrated package U3 are input to processor of single chip computer U1.
5, the fixed ultrasonic ranging wireless device of car plate frame according to claim 1, the ultrasound wave received signal circuit that it is characterized in that transmitter module is to receive ultrasonic pulse signal to run into the electric signal that barrier reflects, integrated package U3 output by multidiameter option switch, amplifier frequency-selecting, amplification and shaping through integrated package U5 and peripheral cell composition are handled, be input to processor of single chip computer U1, on integrated package U5D, connect adjustable resistance.
6, the fixed ultrasonic ranging wireless device of car plate frame according to claim 1, it is characterized in that each ultrasonic sensor links to each other with the integrated package U3 of multidiameter option switch by the ultrasonic sensor match circuit, the ultrasonic sensor match circuit is made up of transtat and triode, triode links to each other with integrated package U3 by resistance, transtat connects triode and ultrasonic sensor, and integrated package U3 connects ultrasonic sensor by diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620059965 CN200959032Y (en) | 2006-06-02 | 2006-06-02 | Badging-holde-fixed supersonic range-finding wireless device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620059965 CN200959032Y (en) | 2006-06-02 | 2006-06-02 | Badging-holde-fixed supersonic range-finding wireless device |
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| Publication Number | Publication Date |
|---|---|
| CN200959032Y true CN200959032Y (en) | 2007-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620059965 Expired - Fee Related CN200959032Y (en) | 2006-06-02 | 2006-06-02 | Badging-holde-fixed supersonic range-finding wireless device |
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| CN (1) | CN200959032Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009092279A1 (en) * | 2008-01-08 | 2009-07-30 | Weiwen Yan | A multimedia reverse alarm |
| CN102209110A (en) * | 2011-05-18 | 2011-10-05 | 东南大学 | Online controllable sensing node positioning method |
| CN101607538B (en) * | 2008-02-18 | 2014-07-23 | 罗伯特·博世有限公司 | Vehicle driver assistance system and corresponding method |
| CN112285722A (en) * | 2020-10-14 | 2021-01-29 | 安徽江淮汽车集团股份有限公司 | Obstacle detection circuit and method and automobile |
-
2006
- 2006-06-02 CN CN 200620059965 patent/CN200959032Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009092279A1 (en) * | 2008-01-08 | 2009-07-30 | Weiwen Yan | A multimedia reverse alarm |
| CN101607538B (en) * | 2008-02-18 | 2014-07-23 | 罗伯特·博世有限公司 | Vehicle driver assistance system and corresponding method |
| CN102209110A (en) * | 2011-05-18 | 2011-10-05 | 东南大学 | Online controllable sensing node positioning method |
| CN112285722A (en) * | 2020-10-14 | 2021-01-29 | 安徽江淮汽车集团股份有限公司 | Obstacle detection circuit and method and automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071010 Termination date: 20100602 |