CN202608723U - Control device of key-free log-in system of vehicle - Google Patents
Control device of key-free log-in system of vehicle Download PDFInfo
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- CN202608723U CN202608723U CN 201220264648 CN201220264648U CN202608723U CN 202608723 U CN202608723 U CN 202608723U CN 201220264648 CN201220264648 CN 201220264648 CN 201220264648 U CN201220264648 U CN 201220264648U CN 202608723 U CN202608723 U CN 202608723U
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Abstract
The utility model provides a control device of key-free log-in system of a vehicle. The control device comprises a host machine control module and a passive management operating system (MOS) module. A single chip microcomputer and a movement execution circuit electrically connected with the single chip microcomputer are arranged inside the host machine control module and further comprises a passive drive receiving circuit, a vibration detecting circuit and a light-emitting diode (LED) drive circuit, the single chip microcomputer is respectively and electrically connected with the passive drive receiving circuit, the vibration detecting circuit and the LED drive circuit, and the passive MOS module is electrically connected with the host machine control module. Under the condition that a remote controller of the vehicle is invalid, the purpose of entering the vehicle is achieved by operating the device, and the control device is safe and reliable and brings great convenience for users.
Description
Technical field
The utility model relates to field of automobile control, is meant a kind of control setup of vehicle keyless access system especially.
Background technology
(PKE:Remote Keyless Entry) is very general in the application of automotive field for the automobile keyless access system, and the most vehicles from the top grade to the low grade have all possessed this function in the market.This technological principle is to control car door through Body control module (BCM:Body Control Module), only need press button on the key or just can close or open car door near vehicle.The development of technology has promoted the renewal of product; Along with the extensive utilization of RF identification (RFID:Radio Frequency Identification) technology and the demand of automotive market; Remote control gets into system by the alternative inexorable trend that become of keyless access system; At present, keyless access system has all been adopted in the top configuration of intermediate car, and some medium-to-high grade vehicles integrate this function and anti-theft locking system of engine, a key start-up system.
The groundwork principle of RKE is as shown in Figure 1, and the car owner presses button or close enough vehicle on the key, after the micro-control encrypting module 4 in the key receives this actuating signal, drives HF transmitter 5 to the vehicle end sign indicating number of giving an order.The automobile termination is received electric wave signal, and high-frequency receiver 6 passes to microcontroller 7 with the electric wave signal that receives, and after microcontroller 7 authentications, thereby the relevant performer of control vehicle is realized undoing the lock or action such as locking.
Existing vehicle keyless access system all needs the automobile remote-control device having under enough electric weight or the enough in-plant situation, could launch control commands such as opening the door, close the door to vehicle.When remote controller does not have can't open or cut out lock through remote controller under battery or the unexpected situation of losing, damaging.In like manner, can not pass through remote controller freeing vehicle anti-theft state, can't start vehicle, therefore bring very big inconvenience to the user.
The utility model content
The utility model proposes a kind of control setup of vehicle keyless access system, has solved the problem that under the key failure conditions, can't launch vehicle in the prior art.
The technical scheme of the utility model is achieved in that a kind of control setup of vehicle keyless access system; It comprises host computer control module and passive MOS module; The action executing circuit that is provided with micro controller system in the host computer control module and electrically connects with micro controller system; Described host computer control module also comprises passive drive acceptor circuit, vibration detection circuit and led drive circuit; Described micro controller system and passive drive acceptor circuit, vibration detection circuit, led drive circuit electrically connect respectively, and described passive MOS module and host computer control module electrically connect.
Also there are wireless telecommunications bonded assembly remote control module in setting and host computer control module, passive MOS module; The micro controller that described remote control module comprises the second passive induction antenna, modulation-demodulation circuit and electrically connects with described modulation-demodulation circuit, the described second passive induction antenna and modulation-demodulation circuit electrically connect.
Described passive MOS module comprises indicator lamp, vibration sensor and the first passive induction antenna, and an end of indicator lamp and led drive circuit electrically connect, and the other end of described indicator lamp and vibration detection circuit electrically connect; Vibration sensor and vibration detection circuit electrically connect; The first passive induction antenna and passive drive acceptor circuit electrically connect.
The utility model is used for the control setup of vehicle keyless access system, can realize the closely passive switch gate control of vehicle through remote control module; Also can need not the switch gate control that remote controller still can be realized vehicle through the passive MOS module of operation.Therefore solved the problem that under the situation that remote controller lost efficacy, can't get into vehicle, can bring feasible solution in time for the user.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is that the circuit of a kind of common automobile keyless access system of prior art connects scheme drawing;
Fig. 2 is used for a kind of specific embodiment of automobile keyless access system for the utility model circuit connects scheme drawing.
The specific embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 2; The control setup of a kind of vehicle keyless access system that the utility model provides; It comprises host computer control module 2 and passive MOS module 1; The action executing circuit 23 that is provided with micro controller system 22 in the host computer control module 2 and electrically connects with micro controller system 22; Described host computer control module 2 also comprises passive drive acceptor circuit 24, vibration detection circuit 25 and led drive circuit 21, and described micro controller system 22 electrically connects respectively with passive drive acceptor circuit 24, vibration detection circuit 25, led drive circuit 21, and described passive MOS module 1 electrically connects with host computer control module 2.
Specifically; Described micro controller system 22 is a prior art with action executing circuit 23; The technical personnel in this field can be configured according to correlation technique; Micro controller system 22 receives the signal from passive drive acceptor circuit 24 and vibration detection circuit 25, the calculation process of being correlated with and then send instruction to action executing circuit 23 and led drive circuit 21, and action executing circuit 23 receives the relevant automobile device action of control behind the dependent instruction.
Further; As shown in Figure 2; Also be provided with and have wireless telecommunications bonded assembly remote control module 3 with host computer control module 2, passive MOS module 1; The micro controller 32 that described remote control module 3 comprises the second passive induction antenna 301, modulation-demodulation circuit 31 and electrically connects with described modulation-demodulation circuit 31, the described second passive induction antenna 301 electrically connects with modulation-demodulation circuit 31.
Remote control module 3 places the vehicle remote control device; When the user presses like buttons such as switch doors; Its actuating signal is passed to modulation-demodulation circuit 31 after micro controller 32 is handled, modulation-demodulation circuit 31 receives that triggering the second passive induction antenna 301 after the instruction of being sent by micro controller 32 sends high-frequency signal to passive MOS module 1, host computer control module 2.Described modulation-demodulation circuit 31 can be but be not limited to passive induction IC that having adopted the model of grace intelligence Pu semiconductor company in the specific embodiment of the utility model is the passive induction chip of PCF7936.The characteristics of passive induction are closely to come into force, and generally only less than 10cm, its antijamming capability is strong.
As shown in Figure 2; Described passive MOS module 1 comprises indicator lamp LED, vibration sensor 101 and the first passive induction antenna 102; The end of indicator lamp LED and led drive circuit 21 electrically connect, and the other end of described indicator lamp LED and vibration detection circuit 25 electrically connect; Vibration sensor 101 electrically connects with vibration detection circuit 25; The first passive induction antenna 102 electrically connects with passive drive acceptor circuit 24.
Above-mentioned indicator lamp LED, vibration sensor 101 and the first passive induction antenna 102 can be configured according to prior art.Vibration sensor 101 is converted into electric signal transmission to vibration detection circuit 25 with extraneous vibration, and vibration detection circuit 25 is that impulse singla reaches micro controller system 22 with this electrical signal conversion, and micro controller system 22 receives the laggard line correlation computing of this impulse singla, sends instruction.Second passive induction antenna 301 couplings in the first passive induction antenna 102 and the remote control module 3 can be carried out wireless telecommunications.
Specifically; A kind of selectivity embodiment as the utility model; Described vibration detection circuit 25 comprises first resistance R 1, second resistance R 2 and the power supply, and an end of described second resistance R 2 and micro controller system 22 electrically connect, and the other end of second resistance R 2 electrically connects with an end of first resistance R 1, an end of vibration sensor 101 respectively; The positive pole of the other end power connection of described first resistance R 1, the other end of described vibration sensor 101 is connected with the negative pole of power supply; The end of described indicator lamp LED is connected with the negative pole of power supply, and the other end of indicator lamp LED and described led drive circuit 21 electrically connect.
Further; Said passive drive acceptor circuit 24 can be made up of with peripheral circuit passive transceiving chip 241; Above-mentioned peripheral circuit can be a resonant capacitance 242; One end of resonant capacitance 242 and described passive transceiving chip 241 electrically connect; One end of the other end of described resonant capacitance 242 and the first passive induction antenna 102 electrically connects, and the other end of the described first passive induction antenna 102 and passive transceiving chip 241 electrically connect, and described passive transceiving chip 241 also electrically connects with micro controller system 22.In a kind of concrete embodiment of the utility model, described passive transceiving chip 241 can be that grace intelligence Pu semiconductor company model is the chip of PCF7991, and resonant capacitance 242 can design by prior art.
In the concrete use of the utility model, host computer control module 2 places in the car with passive MOS module 1, is attached to windshield or other positions that does not have metal mask of vehicle.When remote controller does not have electricity, the remote controller of built-in remote control module 3 is attached to the outside of the wall that is provided with passive MOS module 1, can realize that promptly induction unblanks or withdraw a garrison, lock or set up defences.Situation generation for preventing that remote controller lost efficacy and can't get into vehicle can be provided with password through passive MOS module 1 earlier, through knocking the input password, realizes unblanking or withdrawing a garrison.
The concrete operations example is following:
A. password setting: like need six passwords are set, then must under the password input state, divide the input password six times.As need input digit " 3 ", then whenever knock a LED and can glimmer once, knock end three times after, LED Chang Liang once representes this time end of input (EOI).
B. password input is prepared: when key occurring and damage, knock continuously 10 times earlier, get into password input readiness, to avoid because the false triggering that vehicle shake etc. cause.If main process equipment can be discerned the speed of a motor vehicle in the car, close the decoding function of passive MOS module 1 when may be limited to the speed of a motor vehicle.
C. password input: directly input password with reference to operation a and get final product.
D. the password input state shows: the main process equipment prompt cipher is provided with success in the car, carries out action.
E. password is revised: the client can change password at any time according to self needs, improves confidentiality.
The utility model is integrated in passive induction and MOS decoding function in passive MOS module 1 module, installs simple and convenient; Can when remote controller does not have electricity or loses, meet an urgent need and open the door and withdraw a garrison; It can apply to keyless access system and a key starts product, is used for solving like key being locked in the interior variety of issue that waits of car.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (8)
1. the control setup of a vehicle keyless access system; It comprises host computer control module (2) and passive MOS module (1); The action executing circuit (23) that is provided with micro controller system (22) in the host computer control module (2) and electrically connects with micro controller system (22); It is characterized in that: described host computer control module (2) also comprises passive drive acceptor circuit (24), vibration detection circuit (25) and led drive circuit (21); Described micro controller system (22) electrically connects respectively with passive drive acceptor circuit (24), vibration detection circuit (25), led drive circuit (21), and described passive MOS module (1) electrically connects with host computer control module (2).
2. the control setup of vehicle keyless access system according to claim 1; It is characterized in that: also comprise and host computer control module (2), passive MOS module (1) wireless telecommunications bonded assembly remote control module (3); The micro controller (32) that described remote control module (3) comprises the second passive induction antenna (301), modulation-demodulation circuit (31) and electrically connects with described modulation-demodulation circuit (31), the described second passive induction antenna (301) electrically connects with modulation-demodulation circuit (31).
3. the control setup of vehicle keyless access system according to claim 2 is characterized in that: described modulation-demodulation circuit (31) is that model is the passive induction chip of PCF7936.
4. the control setup of vehicle keyless access system according to claim 1; It is characterized in that: described passive MOS module (1) comprises indicator lamp (LED), vibration sensor (101) and the first passive induction antenna (102); One end of indicator lamp (LED) and led drive circuit (21) electrically connect, and the other end of described indicator lamp (LED) and vibration detection circuit (25) electrically connect; Vibration sensor (101) electrically connects with vibration detection circuit (25); The first passive induction antenna (102) electrically connects with passive drive acceptor circuit (24).
5. the control setup of vehicle keyless access system according to claim 4; It is characterized in that: described vibration detection circuit (25) comprises first resistance (R1), second resistance (R2) and power supply; One end of described second resistance (R2) and micro controller system (22) electrically connect; The other end of second resistance (R2) electrically connects with an end of first resistance (R1), an end of vibration sensor (101) respectively; The positive pole of the other end power connection of described first resistance (R1), the other end of described vibration sensor (101) is connected with the negative pole of power supply; One end of described indicator lamp (LED) is connected with the negative pole of power supply, and the other end of indicator lamp (LED) and described led drive circuit (21) electrically connect.
6. the control setup of vehicle keyless access system according to claim 5; It is characterized in that: the resistance of described first resistance (R1) is 10k Ω; The resistance of described second resistance (R2) is 10k Ω, and the cathode voltage of described power supply is ﹢ 5V, the negative earth of described power supply.
7. the control setup of vehicle keyless access system according to claim 4; It is characterized in that: described passive drive acceptor circuit (24) comprises passive transceiving chip (241) resonant electric capacity (242); One end of resonant capacitance (242) and described passive transceiving chip (241) electrically connect; One end of the other end of described resonant capacitance (242) and the first passive induction antenna (102) electrically connects; The other end of the described first passive induction antenna (102) and passive transceiving chip (241) electrically connect, and described passive transceiving chip (241) also electrically connects with micro controller system (22).
8. the control setup of vehicle keyless access system according to claim 7 is characterized in that: the model of described passive transceiving chip (241) is PCF7991.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220264648 CN202608723U (en) | 2012-06-06 | 2012-06-06 | Control device of key-free log-in system of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220264648 CN202608723U (en) | 2012-06-06 | 2012-06-06 | Control device of key-free log-in system of vehicle |
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| Publication Number | Publication Date |
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| CN202608723U true CN202608723U (en) | 2012-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220264648 Expired - Fee Related CN202608723U (en) | 2012-06-06 | 2012-06-06 | Control device of key-free log-in system of vehicle |
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| CN (1) | CN202608723U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103863249A (en) * | 2014-04-14 | 2014-06-18 | 重庆大学 | Control method for key-free emergency unlocking of car door |
-
2012
- 2012-06-06 CN CN 201220264648 patent/CN202608723U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103863249A (en) * | 2014-04-14 | 2014-06-18 | 重庆大学 | Control method for key-free emergency unlocking of car door |
| CN103863249B (en) * | 2014-04-14 | 2016-05-25 | 重庆大学 | Arrangements for automotive doors is without key emergent unlocking control method |
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| 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: 20121219 Termination date: 20140606 |