CN204009068U - A kind of garage backup buzzer - Google Patents
A kind of garage backup buzzer Download PDFInfo
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- CN204009068U CN204009068U CN201420492290.1U CN201420492290U CN204009068U CN 204009068 U CN204009068 U CN 204009068U CN 201420492290 U CN201420492290 U CN 201420492290U CN 204009068 U CN204009068 U CN 204009068U
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Abstract
The utility model discloses a kind of garage backup buzzer, comprise controller, backing distance detector, buzzer siren and indicator light circuit, its middle controller consists of single-chip microcomputer EM78P153, backing distance detector receives special chip CX20106A based on ultrasound wave, comprises ultrasonic signal transmitting terminal and ultrasonic signal receiving end; The barrier distance that indicator light circuit can be surveyed according to backing distance detector drives respectively the pilot lamp of different colours light or glimmer; Buzzer siren is active buzzer.When the spacing of the tailstock and barrier is less than setpoint distance, ultrasound wave receives special chip CX20106A can receive corresponding signal, and produces a low level falling pulse; This signal is inputted to the external interrupt mouth into single-chip microcomputer, and single-chip microcomputer carries out judging whether to send command adapted thereto after internal analysis to this signal.Compared with prior art, the utility model is fixedly installed in garage and uses, and radar for backing car need to be installed separately on automobile; In addition, the utility model is with low cost, reports to the police effective.
Description
Technical field
The utility model belongs to vehicle backing automotive alarming device, relates in particular to a kind of garage backup buzzer.
Background technology
Along with the progress of expanding economy and technology, automobile becomes one of common tool in daily life gradually.But due to the finiteness in space, particularly for the garage of narrow space, the vehicle fortuitous event such as be easy to bump in reversing process.Commonly at vehicle tail, install radar for backing car additional at present and survey tailstock rear space, when the tailstock approaches barrier, sound a buzzer, to remind driver to avoid hitting barrier or other vehicles.But owing in reversing process, the distance of barrier cannot being determined in real time, therefore its result of use is unsatisfactory in actual applications.For addressing the aforementioned drawbacks, some vehicle is equipped with video camera in tailstock portion, during reversing, by video camera, is absorbed the realtime graphic of rear view of vehicle and is delivered to the display in pilothouse, and the image that driver is passed through in display is grasped the situation at car rear.But in actual use,, because the image pickup scope of video camera exists dead angle, so the visual-field space beyond its image pickup scope cannot learn, and the cost of video camera is higher, has improved the price of automobile.
For the above-mentioned defect existing in currently available technology, be in fact necessary to study, so that a kind of garage backup buzzer with low cost, satisfactory for result to be provided, can be when reversing the distance of probe vehicle rear and barrier, and can carry out accordingly sound and light alarm.
Utility model content
For addressing the above problem, the purpose of this utility model is to provide a kind of detectable backup buzzer that goes out automobile rear different distance barrier that utilizes that ultrasound wave transmitting receives.
For achieving the above object, the technical solution of the utility model is:
A garage backup buzzer, comprises controller, backing distance detector, buzzer siren and pilot lamp, and wherein backing distance detector, buzzer siren and indicator light circuit are connected with controller respectively, and controller consists of single-chip microcomputer.Described single-chip microcomputer adopts EM78P153; Described backing distance detector receives special chip CX20106A based on ultrasound wave, comprise ultrasonic signal transmitting terminal and ultrasonic signal receiving end, the 7th pin that described ultrasound wave receives special chip CX20106A is connected with the pin P2 of single-chip microcomputer EM78P153, ultrasonic signal transmitting terminal is connected with the pin P9 of single-chip microcomputer EM78P153, and ultrasonic signal receiving end is connected with the 1st pin that ultrasound wave receives special chip CX20106A; Described indicator light circuit, is connected with pin P12, P13, the P14 of single-chip microcomputer EM78P153 respectively, and the barrier distance that described controller is surveyed according to described backing distance detector drives respectively the pilot lamp of the different colours of indicator light circuit light or glimmer; Described buzzer siren comprises an active buzzer, and its signal incoming end is connected with the pin P1 of single-chip microcomputer EM78P153, another termination voltage input end; When the spacing of the tailstock and barrier is less than setpoint distance, ultrasound wave receives the signal that special chip CX20106A can receive a 40KHz, and produces a low level falling pulse at the 7th pin; By pin P2, this signal is inputted to the external interrupt mouth P3 into single-chip microcomputer.
As preferably, described indicator light circuit comprises three tunnels, one tunnel is the spacing that is used to indicate the tailstock and the barrier green light indicating circuit while being 230mm-330mm, the amber light indicating circuit of one tunnel when being 45mm-230mm for the spacing of the tailstock and barrier, the red light indicating circuit when spacing that a road is used for the tailstock and barrier is less than 45mm.
Described green light indicating circuit specifically comprises resistance R 16, light emitting diode D6 and NPN triode Q4, operating voltage input end contact resistance R16, described resistance R 16 other ends are connected with the positive pole of light emitting diode D6, the negative pole of described light emitting diode D6 is connected with the collector of NPN triode Q4, the pin P14 of single-chip microcomputer EM78P153 connects the base stage of NPN triode Q4, the grounded emitter of NPN triode Q4.
Described amber light indicating circuit specifically comprises resistance R 15, light emitting diode D5 and NPN triode Q3, operating voltage input end contact resistance R15, described resistance R 15 other ends are connected with the positive pole of light emitting diode D5, the negative pole of described light emitting diode D5 is connected with the collector of NPN triode Q3, the pin P13 of single-chip microcomputer EM78P153 connects the base stage of NPN triode Q3, the grounded emitter of NPN triode Q3.
Described red light indicating circuit specifically comprises resistance R 14, light emitting diode D4, NPN triode Q2, operating voltage input end contact resistance R14, described resistance R 14 other ends are connected with the positive pole of light emitting diode D4, the negative pole of described light emitting diode D4 is connected with the collector of NPN triode Q2, the pin P12 of single-chip microcomputer EM78P153 connects the base stage of NPN triode Q2, the grounded emitter of NPN triode Q2.
Compared with prior art, the utility model has following gain effect: be fixedly installed in garage and use, be therefore applicable to any vehicle, radar for backing car need to be installed separately on automobile; Owing to buzzer siren being provided with to three kinds with the alarm sound of distance prompt, therefore can make driver grasp the distance of the tailstock and barrier, make driver accomplish to know what's what when reversing, for driver provides a great convenience; With low cost, report to the police effective, if several distributed garage backup buzzers are installed in garage, can realize multi-faceted warning system, the security while greatly having improved reversing, has greatly avoided occurring the security incidents such as collision.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of the garage backup buzzer of the utility model embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
On the contrary, the utility model contain any by claim, defined in marrow of the present utility model and scope, make substitute, modification, equivalent method and scheme.Further, for the public is had a better understanding to the utility model, in below details of the present utility model being described, detailed some specific detail sections of having described.Do not have for a person skilled in the art the description of these detail sections can understand the utility model completely yet.
Referring to Fig. 1, be depicted as the circuit theory diagrams of backup buzzer of the present utility model, it comprises controller 101, backing distance detector, buzzer siren 102 and indicator light circuit 103, wherein backing distance detector, buzzer siren and indicator light circuit are connected with controller respectively, and controller consists of single-chip microcomputer.Described single-chip microcomputer adopts EM78P153; Described backing distance detector receives special chip CX20106A based on ultrasound wave, comprise ultrasonic signal transmitting terminal and ultrasonic signal receiving end, the 7th pin that described ultrasound wave receives special chip CX20106A is connected with the pin P2 of single-chip microcomputer EM78P153, ultrasonic signal transmitting terminal is connected with the pin P9 of single-chip microcomputer EM78P153, and ultrasonic signal receiving end is connected with the 1st pin that ultrasound wave receives special chip CX20106A; Described indicator light circuit, is connected with pin P12, P13, the P14 of single-chip microcomputer EM78P153 respectively, and the barrier distance that described controller is surveyed according to described backing distance detector drives respectively the pilot lamp of the different colours of indicator light circuit light or glimmer; Described buzzer siren comprises an active buzzer, and its signal incoming end is connected with the pin P1 of single-chip microcomputer EM78P153, another termination voltage input end; When the spacing of the tailstock and barrier is less than setpoint distance, ultrasound wave receives the signal that special chip CX20106A can receive a 40KHz, and produces a low level falling pulse at the 7th pin; By pin P2, this signal is inputted to the external interrupt mouth P3 into single-chip microcomputer.
Concrete, indicator light circuit comprises three tunnels, one tunnel is the spacing that is used to indicate the tailstock and the barrier green light indicating circuit while being 230mm-330mm, the amber light indicating circuit of one tunnel when being 45mm-230mm for the spacing of the tailstock and barrier, the red light indicating circuit when spacing that a road is used for the tailstock and barrier is less than 45mm.Green light indicating circuit specifically comprises resistance R 16, light emitting diode D6 and NPN triode Q4, operating voltage input end contact resistance R16, described resistance R 16 other ends are connected with the positive pole of light emitting diode D6, the negative pole of described light emitting diode D6 is connected with the collector of NPN triode Q4, the pin P14 of single-chip microcomputer EM78P153 connects the base stage of NPN triode Q4, the grounded emitter of NPN triode Q4.Amber light indicating circuit specifically comprises resistance R 15, light emitting diode D5 and NPN triode Q3, operating voltage input end contact resistance R15, described resistance R 15 other ends are connected with the positive pole of light emitting diode D5, the negative pole of described light emitting diode D5 is connected with the collector of NPN triode Q3, the pin P13 of single-chip microcomputer EM78P153 connects the base stage of NPN triode Q3, the grounded emitter of NPN triode Q3.Red light indicating circuit specifically comprises resistance R 14, light emitting diode D4, NPN triode Q2, operating voltage input end contact resistance R14, described resistance R 14 other ends are connected with the positive pole of light emitting diode D4, the negative pole of described light emitting diode D4 is connected with the collector of NPN triode Q2, the pin P12 of single-chip microcomputer EM78P153 connects the base stage of NPN triode Q2, the grounded emitter of NPN triode Q2.
By the garage backup buzzer arranging with upper type, when the spacing of the tailstock and barrier is greater than 330mm, buzzer siren does not send audible alarm signal, and three light emitting diodes all do not work; When the spacing of the tailstock and barrier is 230mm-330mm, buzzer siren sends usual speed tweeting sound, and only light emitting diode D6 glimmers or lights; When the spacing of the tailstock and barrier is 45mm-230mm, buzzer siren sends pick up speed tweeting sound, and only light emitting diode D5 glimmers or lights; When the spacing of the tailstock and barrier is less than 45mm, buzzer siren sends tweeting sound rapidly, and only light emitting diode D4 glimmers or lights.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. a garage backup buzzer, comprise controller, backing distance detector, buzzer siren and pilot lamp, wherein backing distance detector, buzzer siren and indicator light circuit are connected with controller respectively, controller consists of single-chip microcomputer, it is characterized in that, described single-chip microcomputer adopts EM78P153; Described backing distance detector receives special chip CX20106A based on ultrasound wave, comprise ultrasonic signal transmitting terminal and ultrasonic signal receiving end, the 7th pin that described ultrasound wave receives special chip CX20106A is connected with the pin P2 of single-chip microcomputer EM78P153, ultrasonic signal transmitting terminal is connected with the pin P9 of single-chip microcomputer EM78P153, and ultrasonic signal receiving end is connected with the 1st pin that ultrasound wave receives special chip CX20106A; Described indicator light circuit, is connected with pin P12, P13, the P14 of single-chip microcomputer EM78P153 respectively, and the barrier distance that described controller is surveyed according to described backing distance detector drives respectively the pilot lamp of the different colours of indicator light circuit light or glimmer; Described buzzer siren comprises an active buzzer, and its signal incoming end is connected with the pin P1 of single-chip microcomputer EM78P153, another termination voltage input end; When the spacing of the tailstock and barrier is less than setpoint distance, ultrasound wave receives the signal that special chip CX20106A can receive a 40KHz, and produces a low level falling pulse at the 7th pin; By pin P2, this signal is inputted to the external interrupt mouth P3 into single-chip microcomputer.
2. garage according to claim 1 backup buzzer, it is characterized in that, described indicator light circuit comprises three tunnels, one tunnel is the spacing that is used to indicate the tailstock and the barrier green light indicating circuit while being 230mm-330mm, the amber light indicating circuit of one tunnel when being 45mm-230mm for the spacing of the tailstock and barrier, the red light indicating circuit when spacing that a road is used for the tailstock and barrier is less than 45mm.
3. garage according to claim 2 backup buzzer, it is characterized in that, described green light indicating circuit specifically comprises resistance R 16, light emitting diode D6 and NPN triode Q4, operating voltage input end contact resistance R16, described resistance R 16 other ends are connected with the positive pole of light emitting diode D6, the negative pole of described light emitting diode D6 is connected with the collector of NPN triode Q4, the pin P14 of single-chip microcomputer EM78P153 connects the base stage of NPN triode Q4, the grounded emitter of NPN triode Q4.
4. garage according to claim 2 backup buzzer, it is characterized in that, described amber light indicating circuit specifically comprises resistance R 15, light emitting diode D5 and NPN triode Q3, operating voltage input end contact resistance R15, described resistance R 15 other ends are connected with the positive pole of light emitting diode D5, the negative pole of described light emitting diode D5 is connected with the collector of NPN triode Q3, the pin P13 of single-chip microcomputer EM78P153 connects the base stage of NPN triode Q3, the grounded emitter of NPN triode Q3.
5. garage according to claim 2 backup buzzer, it is characterized in that, described red light indicating circuit specifically comprises resistance R 14, light emitting diode D4, NPN triode Q2, operating voltage input end contact resistance R14, described resistance R 14 other ends are connected with the positive pole of light emitting diode D4, the negative pole of described light emitting diode D4 is connected with the collector of NPN triode Q2, and the pin P12 of single-chip microcomputer EM78P153 connects the base stage of NPN triode Q2, the grounded emitter of NPN triode Q2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420492290.1U CN204009068U (en) | 2014-08-29 | 2014-08-29 | A kind of garage backup buzzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420492290.1U CN204009068U (en) | 2014-08-29 | 2014-08-29 | A kind of garage backup buzzer |
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| CN204009068U true CN204009068U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420492290.1U Expired - Fee Related CN204009068U (en) | 2014-08-29 | 2014-08-29 | A kind of garage backup buzzer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445742A (en) * | 2015-12-11 | 2016-03-30 | 成都翰兴科技有限公司 | Underground parking lot parking auxiliary system based on gain control circuit |
| CN105510922A (en) * | 2015-12-11 | 2016-04-20 | 成都翰兴科技有限公司 | Underground parking lot backing auxiliary system based on flash lamp control circuit |
| CN105545051A (en) * | 2015-12-11 | 2016-05-04 | 成都翰兴科技有限公司 | High-sensitivity flashing light type underground parking reversing auxiliary system |
-
2014
- 2014-08-29 CN CN201420492290.1U patent/CN204009068U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445742A (en) * | 2015-12-11 | 2016-03-30 | 成都翰兴科技有限公司 | Underground parking lot parking auxiliary system based on gain control circuit |
| CN105510922A (en) * | 2015-12-11 | 2016-04-20 | 成都翰兴科技有限公司 | Underground parking lot backing auxiliary system based on flash lamp control circuit |
| CN105545051A (en) * | 2015-12-11 | 2016-05-04 | 成都翰兴科技有限公司 | High-sensitivity flashing light type underground parking reversing auxiliary 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: 20141210 Termination date: 20150829 |
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| EXPY | Termination of patent right or utility model |