CN201842054U - Remote control key capable of searching interference signal - Google Patents
Remote control key capable of searching interference signal Download PDFInfo
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- CN201842054U CN201842054U CN2010205622624U CN201020562262U CN201842054U CN 201842054 U CN201842054 U CN 201842054U CN 2010205622624 U CN2010205622624 U CN 2010205622624U CN 201020562262 U CN201020562262 U CN 201020562262U CN 201842054 U CN201842054 U CN 201842054U
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Abstract
The utility model discloses a remote control key capable of searching interference signal, which comprises a shell, wherein a functional key is installed on the shell, a controller, a power supply circuit and a signal transmission circuit are installed in the shell, the signal transmission circuit is connected with a signal transmitting antenna, a signal receiving antenna is installed on the shell, a frequency selection circuit, a sensitivity circuit and a warning device are installed in the shell, the frequency selection circuit is respectively connected with the sensitivity circuit and the signal receiving antenna, and the sensitivity circuit and the warning device are respectively connected with the controller. The utility model has the beneficial effects that: the remote control key can search, detect and distinguish the peripheral interference signal firstly when in use, find out the interference signal in advance, and thereby avoiding failure caused by the interference of the interference signal when a vehicle is locked; and the warning device is arranged, which can timely remind a vehicle owner to pay attention when interference signal is detected, so the property safety and the like of the vehicle owner can be effectively protected.
Description
Technical field
The utility model relates to motor vehicle antitheft safety protection device field, specifically is a kind of remote control of motor vehicle key that in use can in time find interfering signal and alarm.
Background technology
At present, along with the fast development of automotive engineering, traditional unlatching key is progressively replaced by remote-control key.The car owner receives this electric wave signal by buggy whip by the remote-control key emitting radio wave, through micro controller system (MCU) identification signal code, carries out opening/action of locking.Its advantage is: no matter day and night, need not to verify lockhole, and can be at a distance, unblank easily (door of driving) and locking (locking door).
There are two kinds of remote-control keys in current motor vehicle antitheft system: a kind of is unidirectional common remote-control key from remote signal to main frame that only launch.Another kind is not only to main frame emission remote signal but also receive the return signal of main frame, and can show the two-way liquid crystal visible remote control key of host work state on remote controller.All there are very serious security breaches in the course of the work in these two kinds of remote-control keys, that is: interfering signal is not carried out active search, thereby be subjected to the interference of the interfering signal that other people interference unit sends easily, thereby make the Car Burglar Alarm main frame not receive the lock car instruction that remote-control key sends, cause theft thereby cause Car Burglar Alarm to lose efficacy, cause car owner's property damage.
Summary of the invention
The purpose of this utility model is to provide the remote-control key that can search interfering signal; it can solve the deficiency that exists in the known technology; can search detection to interfering signal in use in advance; and be provided with warning device; when interfering signal is arranged; in time remind the car owner to note, prevent remote-control key, effectively protect car owner's property safety because the signal that is interfered causes inefficacy.
The utility model for achieving the above object, be achieved through the following technical solutions: the remote-control key that can search interfering signal, comprise shell, installation function button on the shell, enclosure installation and control device, feed circuit, signal transmission circuit, signal transmission circuit connects the signal emitting antenna, controller and function button, feed circuit, signal transmission circuit connects respectively, signal receiving antenna is installed on the shell, enclosure is installed frequency selection circuit, sensitivity channel and warning device, frequency selection circuit is connected with signal receiving antenna with sensitivity channel respectively, and sensitivity channel is connected with controller respectively with warning device.
LCDs is installed on the shell, and LCDs is connected with controller by lead.
Described warning device is the audible alarm buzzer phone, and the audible alarm buzzer phone is installed in the housing, and the audible alarm buzzer phone is connected with controller.
Described warning device also comprises vibrations warning motor, and vibrations warning motor is installed in the housing, and vibrations warning motor is connected with controller.
Described warning device also comprises the alarm lamp, and the alarm lamp is installed in the housing, and the alarm lamp is connected with controller.
The shared signal antenna of described signal emitting antenna and signal receiving antenna.
The beneficial effects of the utility model are: be provided with signal receiving antenna, frequency selection circuit and sensitivity channel, can go ahead of the rest in use interfering signal is on every side searched, detected and differentiates, be initiatively defence, can find interfering signal in advance, prevent that remote-control key from disturbing and lost efficacy at the lock Che Shiyin signal that is interfered.Be provided with warning device, can when detecting interfering signal, in time remind the car owner to note, effectively protect car owner's property safety; The structure that described warning device adopts multiple alarm appliance to match can remind the car owner to note by the multiple mode of the sense of hearing, vision and sense of touch, and the warning effect is obvious, and is simple for structure reasonable, easy to use.
Description of drawings
Accompanying drawing 1 is one of the utility model embodiment electrical block diagram of (no liquid crystal shows); Accompanying drawing 2 is the electrical block diagrams of the utility model embodiment two (liquid crystal display is arranged); Accompanying drawing 3 is control flow scheme drawings of the present utility model.
Label shown in the accompanying drawing: 1, signal emitting antenna; 2, signal transmission circuit; 3, feed circuit; 4, function button; 5, alarm lamp; 6, vibrations warning motor; 7, audible alarm buzzer phone; 8, sensitivity channel; 9, frequency selection circuit; 10, signal receiving antenna; 11, controller; 12, LCDs; 13, High Amplifier Circuit; 14, demodulator circuit.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only to be used to the utility model is described and be not used in the restriction scope of the present utility model.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
The remote-control key of searching interfering signal described in the utility model, agent structure comprises shell, described shell can adopt metal or material shell all can.Installation function button 4 on shell, the car owner can carry out operation and other operations of open and close car door by function button 4, for example switch boot etc.Described enclosure installation and control device 11, feed circuit 3, signal transmission circuit 2, signal transmission circuit 2 connects signal emitting antenna 1; Controller 11 is connected respectively with function button 4, feed circuit 3, signal transmission circuit 2, launches by signal transmission circuit 2 by the operation information of function button 4 typings, is received by the antenna on the Car Burglar Alarm main frame on the car body, realizes associative operation.Frequency selection circuit 9, sensitivity channel 8 and warning device are installed by portion in the enclosure, and frequency selection circuit 9 is connected with signal receiving antenna 10 with sensitivity channel 8 respectively, and sensitivity channel 8 is connected with controller 11 respectively with warning device.Remote-control key is when work, wireless signal at first enters in the frequency selection circuit 9 by signal receiving antenna 10,9 of frequency selection circuits allow the signal of assigned frequency to pass through, the signal of other frequency then all is filtered, the frequency of frequency selection circuit 9 is identical with the remote-control key transmitting frequency, to screen and the interfering signal of remote-control key with frequency.Signal after the frequency-selecting enters in the sensitivity channel 8, the power of 8 pairs of signals of sensitivity channel is judged, when interference signal intensity surpasses setting value, sensitivity channel 8 becomes high level in low level and the input controller 11 at once, controller 11 starts alert program in view of the above, report to the police by warning device, remind the car owner to note, prevent property damage.
In the utility model.For avoiding signal from disturbing mutually, signal emitting antenna 1 and signal receiving antenna 10 shared signal antennas, signal can received signals when sending, and then do not send signal when received signal.
The utility model is further characterized in that, as shown in Figure 2, makes things convenient for the car owner to understand the car body present situation more clearly by the host work state in order to show on remote-control key, and LCDs 12 is installed on shell, and LCDs 12 is by controller 11 controls.
In above-mentioned each embodiment, described warning device has multiple, and described warning device can be an audible alarm buzzer phone 7, and audible alarm buzzer phone 7 is installed in the housing, audible alarm buzzer phone 7 is connected with controller 11, and this structure utilizes the sound prompting car owner to note interfering signal; Described warning device can also be a vibrations warning motor 6, and vibrations warning motor 6 is installed in the housing, and vibrations warning motor 6 is connected with controller 11.Can also be alarm lamp 5, alarm lamp 5 be installed in the housing, and alarm lamp 5 is connected with controller 11.Warning device of the present utility model both can be above-mentioned any structure, also can be the combination of above-mentioned two or three warning device.The preferred plan of warning device is to adopt above-mentioned three kinds of type of alarms simultaneously, can remind the user to note more effectively.
The utility model in use, as shown in Figure 3, at first enter interfering signal after controller 11 (micro controller system) is waken up and search the stage, this process continues hundreds of milliseconds, if do not search interfering signal in the process, controller 11 (micro controller system) will cut out acceptor circuit, open transmission circuit and send telecommand.Also will close acceptor circuit if search the interfering signal controller, and open transmission circuit and send telecommand, and meanwhile start warning device and report to the police, remind the car owner have interference source should manual confirmation once car door whether lock.
Claims (6)
1. can search the remote-control key of interfering signal, comprise shell, installation function button (4) on the shell, enclosure installation and control device (11), feed circuit (3), signal transmission circuit (2), signal transmission circuit (2) connects signal emitting antenna (1), controller (11) and function button (4), feed circuit (3), signal transmission circuit (2) connects respectively, it is characterized in that: signal receiving antenna (10) is installed on the shell, enclosure is installed frequency selection circuit (9), sensitivity channel (8) and warning device, frequency selection circuit (9) is connected with signal receiving antenna (10) with sensitivity channel (8) respectively, and sensitivity channel (8) is connected with controller (11) respectively with warning device.
2. the remote-control key of searching interfering signal according to claim 1 is characterized in that: LCDs (12) is installed on the shell, and LCDs (12) is connected with controller (11) by lead.
3. the remote-control key of searching interfering signal according to claim 1 and 2, it is characterized in that: described warning device is audible alarm buzzer phone (7), audible alarm buzzer phone (7) is installed in the housing, and audible alarm buzzer phone (7) is connected with controller (11).
4. the remote-control key of searching interfering signal according to claim 3 is characterized in that: described warning device also comprises vibrations warning motor (6), and vibrations warning motors (6) are installed in the housing, and vibrations warning motors (6) are connected with controller (11).
5. the remote-control key of searching interfering signal according to claim 4 is characterized in that: described warning device also comprises alarm lamp (5), and alarm lamp (5) is installed in the housing, and alarm lamp (5) is connected with controller (11).
6. the remote-control key of searching interfering signal according to claim 5 is characterized in that: the shared signal antenna of described signal emitting antenna (1) and signal receiving antenna (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205622624U CN201842054U (en) | 2010-10-15 | 2010-10-15 | Remote control key capable of searching interference signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205622624U CN201842054U (en) | 2010-10-15 | 2010-10-15 | Remote control key capable of searching interference signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201842054U true CN201842054U (en) | 2011-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205622624U Expired - Fee Related CN201842054U (en) | 2010-10-15 | 2010-10-15 | Remote control key capable of searching interference signal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201842054U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102923094A (en) * | 2012-11-12 | 2013-02-13 | 奇瑞汽车股份有限公司 | Automobile remote control anti-theft device |
| CN102941840A (en) * | 2012-10-11 | 2013-02-27 | 江苏大学 | Method and system for detecting vehicle remote unlocking and locking interference signals |
| CN104766421A (en) * | 2015-03-25 | 2015-07-08 | 张彬彬 | Burglar alarm remote control device |
| CN104851237A (en) * | 2015-05-26 | 2015-08-19 | 孙立满 | Safety monitoring alarm device |
| CN104943656A (en) * | 2015-06-03 | 2015-09-30 | 沈阳理工大学 | Anti-interference anti-theft system based on mutual correlation and anti-theft method thereof |
| CN109154165A (en) * | 2016-05-06 | 2019-01-04 | 株式会社电装 | Electronic key system for vehicle |
-
2010
- 2010-10-15 CN CN2010205622624U patent/CN201842054U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102941840A (en) * | 2012-10-11 | 2013-02-27 | 江苏大学 | Method and system for detecting vehicle remote unlocking and locking interference signals |
| CN102923094A (en) * | 2012-11-12 | 2013-02-13 | 奇瑞汽车股份有限公司 | Automobile remote control anti-theft device |
| CN104766421A (en) * | 2015-03-25 | 2015-07-08 | 张彬彬 | Burglar alarm remote control device |
| CN104851237A (en) * | 2015-05-26 | 2015-08-19 | 孙立满 | Safety monitoring alarm device |
| CN104943656A (en) * | 2015-06-03 | 2015-09-30 | 沈阳理工大学 | Anti-interference anti-theft system based on mutual correlation and anti-theft method thereof |
| CN109154165A (en) * | 2016-05-06 | 2019-01-04 | 株式会社电装 | Electronic key system for vehicle |
| CN109154165B (en) * | 2016-05-06 | 2020-10-02 | 株式会社电装 | Electronic key system for vehicle |
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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: 20110525 Termination date: 20121015 |