CN202294566U - Carrier wave car-backing radar system - Google Patents
Carrier wave car-backing radar system Download PDFInfo
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- CN202294566U CN202294566U CN2011204270726U CN201120427072U CN202294566U CN 202294566 U CN202294566 U CN 202294566U CN 2011204270726 U CN2011204270726 U CN 2011204270726U CN 201120427072 U CN201120427072 U CN 201120427072U CN 202294566 U CN202294566 U CN 202294566U
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- carrier wave
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Abstract
The utility model discloses a carrier wave car-backing radar system, which comprises a system transmitting terminal arranged at the tail of a vehicle, and a system receiving terminal arranged inside the driver's cab of the vehicle. The system transmitting terminal comprises a transmitting terminal control unit, a plurality of probe sensors, an ultrasonic transmitting and receiving amplification processing circuit connected with the transmitting terminal control unit and the probe sensors corresponding to the transmitting terminal control unit, and a carrier wave transmitting module connected with the transmitting terminal control unit. The system receiving terminal comprises a receiving terminal control unit, a warning module and a carrier wave receiving module. The warning module and the carrier wave receiving module are respectively connected with the receiving terminal control unit. The carrier wave transmitting module and the carrier wave receiving module are respectively coupled to the anode of a vehicle power line through a carrier wave transmitting coupling circuit. Due to the adoption of the above technical scheme, the intensity loss of carrier signals is loss and the reception of information is unobstructed. Meanwhile, the misjudgment rate is reduced. The carrier wave car-backing radar system is easy in installation and simple in production.
Description
Technical field
The utility model relates to the automobile collision preventing art, refers in particular to a kind of carrier wave reverse radar system.
Background technology
Quantity every year of China's automobile is all in quick growth, all chaufeurs, and especially new chaufeur and full size vehicle chaufeur are all paid attention to the safety issue of reversing very much.The reverse radar system of automobile is one of effective equipment that guarantees reversing safety.
At present; Most vehicles on the market are not equipped with reverse radar system when dispatching from the factory; Therefore need behind car owner's buying car oneself reverse radar system to be installed, reverse radar system comprises system's transmitting terminal and system receiving terminal, and system's transmitting terminal is installed in the afterbody of automobile; The frame that system receiving terminal is installed in automobile is sailed indoor, and system's transmitting terminal is connected through cable with system receiving terminal.Need pass through wiring in the car during hookup wire cable, so want large tracts of land to take vehicle body apart, installation difficulty is big and consuming time many, too high, the easy et out of order of construction cost, and also some full-sized car can't be installed.
Be directed to this; A kind of improved reverse radar system had appearred afterwards; It adopts carrier transmit module and the carrier receiving module transmission of data signals that is installed in the automobile power source line; Its carrier transmit module and carrier receiving module are the ground terminals that is coupled to the automobile power source line, this with carrier signal be coupled to ground the mode of connection have following shortcoming: consume the intensity of carrier signal easily, cause carrier receiving module to can not receive signal or erroneous judgement.
Also has another kind of reverse radar system; Be to utilize former super sonic circuit to be loaded into the automobile power source line to be coupled on the automobile line; This mode of connection exists down with shortcoming: it is bad to produce coupling at system's transmitting terminal; Cause wrong report easily, and circuit is difficult to debugging in process of production, can't stock production.
The utility model content
In view of this, the utility model is to the disappearance of prior art existences, and its main purpose provides a kind of carrier wave reverse radar system, makes the loss of intensity of carrier signal little, and the reception of information is unobstructed, reduces False Rate, and is easy for installation, produce simply.
For realizing above-mentioned purpose, the utility model adopts following technical scheme:
A kind of carrier wave reverse radar system comprises
One is installed on system's transmitting terminal of the tailstock, and the ultrasonic emitting that it comprises transmitting terminal control unit, several probe sensors, be connected on the probe sensor of transmitting terminal control unit and correspondence receives amplification treatment circuit, is connected the carrier transmit module on the transmitting terminal control unit;
One is positioned at the system receiving terminal of operator's compartment, and it comprises the receiving end control unit, is connected to alarm module and carrier receiving module on the receiving end control unit;
Said carrier transmit module and carrier receiving module are coupled to the positive pole of automobile power source line respectively through the carrier transmit coupling circuit.
Preferably, said carrier transmit module is coupled to the positive pole of backing-up lamp power supply through the carrier transmit coupling circuit.
Preferably, be connected with a power supply voltage stabilizing circuit between said backing-up lamp power supply and the carrier transmit module.
Preferably, said carrier receiving module is coupled to through the carrier transmit coupling circuit on the cathode power supply line of circuit card of Cigarette lighter.
Preferably, be connected with a power supply voltage stabilizing circuit between said Cigarette lighter power supply and the carrier transmit module.
Preferably, said alarm module is buzzer phone, loudspeaker and range display.
Preferably, be connected with the voice IC circuit of recognizing voice signal between said loudspeaker and the receiving end control unit.
Preferably, said range display is the selenodont telltale.
Preferably, said range display is installed on the shell of Cigarette lighter.
The utility model compared with prior art has tangible advantage and beneficial effect, particularly, can be known by technique scheme:
One, adopt coupling range information to be loaded into that power circuit transmits in the car in the anodal carrier transmit module of electric wire, the carrier receiving module of correspondence also coupling is taken this at the circuitry lines positive pole; Carrier transmit module and carrier receiving module realize that control data directly transmits through power lead, and identity confirms that the form of ID sign indicating number communicates, and need not Code And Decode; It is radiationless; Can not produce interfering signal, can modularization production, production control are easy; The more important thing is that carrier transmit module and carrier receiving module all are coupling in the positive pole of power supply, make the loss of intensity of carrier signal little, the reception of information is unobstructed, reduces False Rate.
Two, through the carrier transmit module is connected on the backing-up lamp power supply; Carrier receiving module is arranged on the power lead of circuit card of automobile-used Cigarette lighter; But the copper cash on the common source line carries out data transmission, saving wire rod expense on the one hand, installation is easy, confidentiality is high, tolerable one-to-many two-way signaling transmits, and is easy to expanded function; Can utilize low frequency magnetosonic characteristic to depend on metallic conductor on the other hand and transmit signal, signal transmits and adopts the capacitive coupling effect need not destroy the metal surface; Moreover it has realized the Reverse Sensor effect that only power supply just can be connected in reversing the time, and is easy to use, and control flexibly.
Be architectural feature and the effect of more clearly setting forth the utility model, come the utility model is elaborated below in conjunction with accompanying drawing and specific embodiment.
Description of drawings
Fig. 1 is the integral structure block diagram of the preferred embodiment of the utility model.
The accompanying drawing identifier declaration:
10, system's transmitting terminal 11, probe sensor
12, transmitting terminal control unit 13, carrier transmit module
14, ultrasonic emitting receives amplification treatment circuit 15, carrier transmit coupling circuit
16, power supply voltage stabilizing circuit
20, system receiving terminal 21, receiving end control unit
22, carrier receiving module 23, alarm module
231, range display 232, buzzer phone
233, loudspeaker 234, voice IC circuit
24, carrier transmit coupling circuit 25, power supply voltage stabilizing circuit
30, automobile power source line 31, backing-up lamp power lead
32, Cigarette lighter
321, Cigarette lighter power supply or other automobile power source.
The specific embodiment
Please with reference to shown in Figure 1, the concrete structure that it has demonstrated the preferred embodiment of the utility model, comprise one be installed on the tailstock system's transmitting terminal 10 and be positioned at the system receiving terminal 20 of operator's compartment.
Particularly; As shown in Figure 1, this system's transmitting terminal 10 comprise several probe sensors 11, transmitting terminal control unit 12, carrier transmit module 13 and be connected probe sensor 11 and transmitting terminal control unit 12 between ultrasonic emitting receive amplification treatment circuit 14.Probe sensor 11 in the present embodiment has four, and these four probe sensors 11 are ultrasonic transduter, and it is installed in automobile rear, is used to send, received ultrasonic signal.This ultrasonic emitting receives amplification treatment circuit 14 and is used for the ultrasonic signal of probe sensor 11 is carried out processing and amplifying; One end of carrier transmit module 13 is connected with transmitting terminal control unit 12, and the other end is connected the positive pole of backing-up lamp power supply 31 through a carrier transmit coupling circuit 15.Because the voltage of backing-up lamp power supply 31 is the 12V direct current (DC), and the suitable voltage of system's transmitting terminal 10 is the 5V direct current (DC), therefore, between the circuit connection of carrier transmit module 13 and backing-up lamp power supply 31, is provided with a power supply voltage stabilizing circuit 16.
Said system receiving terminal 20 comprises receiving end control unit 21, carrier receiving module 22 and is connected on the alarm module 23 on the receiving end control unit 21.This alarm module 23 comprises range display 231, buzzer phone 232 and loudspeaker 233; Distance when range display 231 is used to show reversing between automobile and the obstacle; This buzzer phone 232 is used to send alerting signal with loudspeaker 233, wherein is connected with the voice IC circuit 234 of decodeing speech signal between loudspeaker 233 and the receiving end control unit 21.One end of said carrier receiving module 22 is connected on the receiving end control unit 21, and the other end is connected the positive pole of the power supply of Cigarette lighter 32 through a carrier transmit coupling circuit 24.Because it is the 12V direct current (DC) that Cigarette lighter 32 is introduced power source voltage, and the suitable voltage of system receiving terminal 20 is the 5V direct current (DC), therefore, between the circuit connection of carrier receiving module 22 and Cigarette lighter power supply 321, is provided with a power supply voltage stabilizing circuit 25.Wherein, this range display 231 is the seven-segment display of crescent structure, and it is installed on the shell of Cigarette lighter 32 and notices the distance between automobile and the obstacle when making things convenient for the car owner to drive.
Wherein, system receiving terminal 20 power takings described in the present embodiment are to obtain through Cigarette lighter power supply 321, but way to take power is not limited thereto, and can also use the mode power taking of other automobile power source.
Details are as follows for the principle of the utility model: when non-reversing mode, system's transmitting terminal 10 does not start with the power supply of system receiving terminal 20;
When reversing; Backing-up lamp power supply 31 power supply start-up system transmitting terminals 10 and system receiving terminal 20; The transmitting terminal control unit 12 output ultrasonic wave signals of system's transmitting terminal 10 switch to four tunnel ultrasonic emitting reception amplification treatment circuit 14, after probe sensor 11 is launched through 12 controls of transmitting terminal control unit; The ultrasonic signal that sends reflexes to when running into obstacle on the corresponding probe sensor 11; Cooresponding four tunnel ultrasonic emitting receive amplification treatment circuit 14 amplifies, and handles back output shows signal by transmitting terminal control unit 12, delivers to carrier transmit module 13 and modulates; Carrier transmit module 13 is added to modulated carrier wave on the automobile power source line 30, passes to system receiving terminal 20 through automobile power source line 30.The carrier receiving module 22 of system receiving terminal 20 is gathered through being connected to 32 pairs of shows signal of Cigarette lighter on the automobile power source line 30, amplification, demodulation; Deliver in the receiving end control unit 21; Receiving end control unit 21 is handled the back output signal to range display 231; Demonstrate obstacle that signal system transmitting terminal 10 detects and the distance between the automobile; Receiving end control unit 21 output sound signal simultaneously sends voice prompt to voice IC circuit 234 with voice amplification rear drive loudspeaker 233, reminds the distance between chaufeur automobile and obstacle.
During installation, the utility model product is installed on the automobile, system receiving terminal 20 is installed in frame and sails indoorly, and the Cigarette lighter 32 of connected system receiving end 20 is received in the car on the power circuit, and range display 231 is arranged on the shell of Cigarette lighter 32; And the probe sensor 11 of system's transmitting terminal 10 is installed in the rear portion of automobile, and transmitting terminal control unit 12 is installed in the trunk of automobile.
In sum, the design focal point of the utility model is:
One, adopt coupling range information to be loaded into that power circuit transmits in the car in the anodal carrier transmit module of electric wire, the carrier receiving module of correspondence also coupling is taken this at the circuitry lines positive pole; Carrier transmit module and carrier receiving module realize that control data directly transmits through power lead, and identity confirms that the form of ID sign indicating number communicates, and need not Code And Decode; It is radiationless; Can not produce interfering signal, can modularization production, production control are easy; The more important thing is that carrier transmit module and carrier receiving module all are coupling in the positive pole of power supply, make the loss of intensity of carrier signal little, the reception of information is unobstructed, reduces False Rate.
Two, through the carrier transmit module is connected on the backing-up lamp power lead; Carrier receiving module is arranged on the power lead of circuit card of automobile-used Cigarette lighter; But the copper cash on the common source line carries out data transmission, saving wire rod expense on the one hand, installation is easy, confidentiality is high, tolerable one-to-many two-way signaling transmits, and is easy to expanded function; Can utilize low frequency magnetosonic characteristic to depend on metallic conductor on the other hand and transmit signal, signal transmits and adopts the capacitive coupling effect need not destroy the metal surface; Moreover it has realized the Reverse Sensor effect that only power supply just can be connected in reversing the time, and is easy to use, and control flexibly.
The above; It only is the preferred embodiment of the utility model; Be not that the technical scope of the utility model is done any restriction; So every technical spirit according to the utility model all still belongs in the scope of the utility model technical scheme any trickle modification, equivalent variations and modification that above embodiment did.
Claims (9)
1. a carrier wave reverse radar system comprises
One is installed on system's transmitting terminal of the tailstock, and the ultrasonic emitting that it comprises transmitting terminal control unit, several probe sensors, be connected on the probe sensor of transmitting terminal control unit and correspondence receives amplification treatment circuit, is connected the carrier transmit module on the transmitting terminal control unit;
One is positioned at the system receiving terminal of operator's compartment, and it comprises the receiving end control unit, is connected to alarm module and carrier receiving module on the receiving end control unit; It is characterized in that:
Said carrier transmit module and carrier receiving module are coupled to the positive pole of automobile power source line respectively through the carrier transmit coupling circuit.
2. a kind of carrier wave reverse radar system according to claim 1 is characterized in that: said carrier transmit module is coupled to the positive pole of backing-up lamp power supply through the carrier transmit coupling circuit.
3. a kind of carrier wave reverse radar system according to claim 2 is characterized in that: be connected with a power supply voltage stabilizing circuit between said backing-up lamp power supply and the carrier transmit module.
4. a kind of carrier wave reverse radar system according to claim 2 is characterized in that: said carrier receiving module is coupled to through the carrier transmit coupling circuit on the cathode power supply line of circuit card of Cigarette lighter.
5. a kind of carrier wave reverse radar system according to claim 4 is characterized in that: be connected with a power supply voltage stabilizing circuit between said Cigarette lighter power supply and the carrier receiving module.
6. a kind of carrier wave reverse radar system according to claim 1 is characterized in that: said alarm module is buzzer phone, loudspeaker and range display.
7. a kind of carrier wave reverse radar system according to claim 6 is characterized in that: the voice IC circuit that is connected with the recognizing voice signal between said loudspeaker and the receiving end control unit.
8. a kind of carrier wave reverse radar system according to claim 6 is characterized in that: said range display is the selenodont telltale.
9. according to claim 6 or 8 described a kind of carrier wave reverse radar systems, it is characterized in that: said range display is installed on the shell of Cigarette lighter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204270726U CN202294566U (en) | 2011-11-02 | 2011-11-02 | Carrier wave car-backing radar system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204270726U CN202294566U (en) | 2011-11-02 | 2011-11-02 | Carrier wave car-backing radar system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202294566U true CN202294566U (en) | 2012-07-04 |
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ID=46363521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204270726U Expired - Fee Related CN202294566U (en) | 2011-11-02 | 2011-11-02 | Carrier wave car-backing radar system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202294566U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529449A (en) * | 2013-10-28 | 2014-01-22 | 深圳市拓邦汽车电子技术有限公司 | Reversing radar system |
| CN104009777A (en) * | 2014-05-27 | 2014-08-27 | 东莞市众喜电子科技有限公司 | Broadband carrier signal transmitting/receiving device based on automobile power line and transmission system |
-
2011
- 2011-11-02 CN CN2011204270726U patent/CN202294566U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529449A (en) * | 2013-10-28 | 2014-01-22 | 深圳市拓邦汽车电子技术有限公司 | Reversing radar system |
| CN103529449B (en) * | 2013-10-28 | 2016-04-20 | 深圳市拓邦汽车电子技术有限公司 | Reverse radar system |
| CN104009777A (en) * | 2014-05-27 | 2014-08-27 | 东莞市众喜电子科技有限公司 | Broadband carrier signal transmitting/receiving device based on automobile power line and transmission system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20141102 |
|
| EXPY | Termination of patent right or utility model |