CN203444537U - Drive and control circuit of low-frequency antenna and intelligent door handle - Google Patents
Drive and control circuit of low-frequency antenna and intelligent door handle Download PDFInfo
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- CN203444537U CN203444537U CN201320422970.1U CN201320422970U CN203444537U CN 203444537 U CN203444537 U CN 203444537U CN 201320422970 U CN201320422970 U CN 201320422970U CN 203444537 U CN203444537 U CN 203444537U
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Abstract
The utility model discloses a drive and control circuit of a low-frequency antenna and an intelligent door handle. Due to the drive and control circuit of the low-frequency antenna, the low-frequency antenna is directly driven without awakening a vehicle-mounted control device when a door opening or locking signal is detected, so that the system response time is saved, the response speed of the whole system is increased, and the comfort of passengers is improved; in addition, as the vehicle-mounted control device needs to be awakened to perform a processing action only when receiving legal intelligent key information, the static power consumption is effectively saved; meanwhile, an operation of awakening the low-frequency antenna in a timed manner and driving the low-frequency antenna to search an intelligent key also can be performed through an internal single chip timer,and the timed awakening operation of a vehicle body controller is not required, so that the static power consumption of the whole vehicle does not need to be greatly increased; the response time of a keyless entry system can be greatly shortened by an active keyless entry system, so that the comfort of the passengers are better improved.
Description
Technical field
The utility model relates to automobile no-key and enters and start-up technique field, in particular, relates to a kind of driving and controlling circuits and Intelligent door handle of low-frequency antenna.
Background technology
Along with automobile no-key enters and universal in automobile industry of startup system, this enter with start-up mode to user brought brand-new comfortable with experience easily.Car owner does not need to use key on the run completely whole, only need carry.During near effective range car owner enters car, car can automatically detect key and also carry out identification, as identifies successfully and can open accordingly car door or boot.At PEPS(Passive Entry & Passive Start, without key, enter and start) be provided with low frequency in system and antenna operation person is intended to aware circuit, wherein, above-mentioned low-frequency antenna is used for sending or receives ID signal etc., and aforesaid operations person is intended to aware circuit and opens the door or lock a door in order to being intended that of sense operation person.
At present, the most general scheme is that the antenna of the outer field intensity of inspection vehicle is arranged in door panel, and being intended to aware circuit, operator is placed in door handle, obvious its assembling of this scheme and cost cannot be well controlled, therefore, another scheme is low-frequency antenna and operator to be intended to aware circuit be installed together, and can effectively improve packaging and can reduce manufacturing cost.But, because antenna is still controlled and driven by car upper controller, when operator is intended to aware circuit and signal intensity detected, need to notify and wake up car upper controller, and drive low-frequency antenna to send low frequency ID signal by car upper controller, and therefore make whole system response speed slower, reduced occupant's comfortableness, and quiescent dissipation is larger, easily cause car load battery power shortage.
Therefore, providing a kind of driving and controlling circuits and Intelligent door handle of low-frequency antenna, improve whole system response speed and lifting occupant's comfortableness, is those skilled in the art's problem demanding prompt solutions.
Utility model content
In view of this, the utility model provides a kind of driving and controlling circuits and Intelligent door handle of low-frequency antenna, to solve in prior art because antenna need to be controlled and be driven by car upper controller, when operator is intended to aware circuit and signal intensity detected, need to notify and wake up car upper controller, and drive low-frequency antenna to send low frequency ID signal by car upper controller, thus make whole system response speed slower, reduce the problem of occupant's comfortableness.
For achieving the above object, the utility model provides following technical scheme:
A kind of automobile door lock driving and controlling circuits, comprise: the operator that the door handle control circuit of control gate grip switches and sense operation person operate intention is intended to aware circuit, described operator is intended to aware circuit and comprises open door sensor and lock a door sensor, also comprises:
Be arranged on described door handle control circuit, carry out low-frequency antenna and driving circuit that low frequency signal sends and drives, wherein,
Described door handle control circuit respectively with described open door sensor with described in the sensor of locking a door be connected, described door handle control circuit detect described open door sensor and described in the lock a door signal intensity of sensor, and send signal to the described low frequency signal that opens the door or lock a door and amplify and driving circuit;
On described low frequency signal amplification and driving circuit, be provided with low-frequency antenna;
Circuit described above is integrated on pcb board.
Preferably, also comprise:
Be electrically connected to driving circuit with described low-frequency antenna, to described open door sensor and described in the sensor of locking a door carry out timing wake-up and drive the timing wake-up circuit of described low-frequency antenna.
Preferably, described low frequency signal comprises random digital signal and carrier signal, and wherein, described carrier signal generates low frequency electromagnetic field by described low-frequency antenna.
Wherein, described open door sensor is capacitance type sensor.
Wherein, the sensor of locking a door described in is capacitance type sensor.
The invention also discloses a kind of Intelligent door handle, comprise automobile door lock driving and controlling circuits described above, described Intelligent door handle is electrically connected to vehicle body control, described low-frequency antenna and key communicate, wherein, described automobile door lock driving and controlling circuits is arranged at described Intelligent door handle inside.
Wherein, described open door sensor is arranged at the centre position of described Intelligent door handle.
Wherein, described in, lock a door sensor setting in the end position of described Intelligent door handle.
Known via above-mentioned technical scheme, compared with prior art, the utility model openly provides a kind of driving and controlling circuits and Intelligent door handle of low-frequency antenna, the driving and controlling circuits of this low-frequency antenna is because of self band low-frequency antenna controlling and driving circuits, detecting while opening the door or locking a door signal, without waking in advance car upper controller up, but directly drive low-frequency antenna, thereby save system response time, improved the response speed of whole system, promoted occupant's comfortableness.
In addition, because car upper controller is only when receiving legal Intelligent key information, just need to wake and process action up, and then effectively saved quiescent dissipation, meanwhile, also can carry out timing wake-up and drive low-frequency antenna to find the operation of Intelligent key by inner single-chip microcomputer timer, and then operate without the timing wake-up by car body controller, thereby can just make easily active keyless access system, and without increasing considerably car load quiescent dissipation.Active keyless access system can significantly reduce the response time of keyless access system, thereby improves higher occupant's comfortableness.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, other accompanying drawing can also be provided according to the accompanying drawing providing.
Fig. 1 is the disclosed a kind of automobile door lock driving and controlling circuits schematic diagram of the utility model embodiment;
Fig. 2 is the disclosed another kind of automobile door lock driving and controlling circuits schematic diagram of the utility model embodiment;
Fig. 3 is the structural representation of Intelligent door handle, key and car upper controller in the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model discloses a kind of driving and controlling circuits and Intelligent door handle of low-frequency antenna, the driving and controlling circuits of this low-frequency antenna is because of self band low-frequency antenna controlling and driving circuits, detecting while opening the door or locking a door signal, without waking in advance car upper controller up, but directly drive low-frequency antenna, thereby save system response time, improved the response speed of whole system, promoted occupant's comfortableness.In addition, because car upper controller is only when receiving legal Intelligent key information, just need to wake and process action up, and then effectively saved quiescent dissipation, simultaneously, also can carry out timing wake-up and drive low-frequency antenna to find the operation of Intelligent key by inner single-chip microcomputer timer, and then operate without the timing wake-up by car body controller, thereby without increasing considerably car load quiescent dissipation.Active keyless access system can significantly reduce the response time of keyless access system, thereby improves higher occupant's comfortableness.
Refer to accompanying drawing 1 for the disclosed a kind of automobile door lock driving and controlling circuits schematic diagram of the utility model embodiment.The utility model embodiment discloses a kind of automobile door lock driving and controlling circuits, this circuit comprises: the operator that the door handle control circuit 2 of control gate grip switches and sense operation person operate intention is intended to aware circuit, described operator is intended to aware circuit and comprises open door sensor 4 and the sensor 5 of locking a door, concrete, this circuit also comprises: be arranged on described door handle control circuit 2, carry out low frequency signal amplification and driving circuit 1 that low frequency signal sends and drives, on described low frequency signal amplification and driving circuit 1, be provided with low-frequency antenna 3, wherein, described door handle control circuit 2 respectively with described open door sensor 4 with described in the sensor 5 of locking a door be connected, described door handle control circuit 2 detect described open door sensor 4 and described in the lock a door signal intensity of sensor 5, and send the signal that opens the door or lock a door to described low frequency signal amplification and driving circuit 1, circuit described above is integrated on pcb board 10.
The disclosed a kind of automobile door lock driving and controlling circuits of above-mentioned the utility model, because carrying low-frequency antenna controlling and driving circuits, detecting while opening the door/locking a door signal, without waking in advance control module on car up, and directly drive low-frequency antenna, thereby save system response time.While only receiving legal Intelligent key information because of control module on car again, just need to wake up and process, and then more effectively saved quiescent dissipation.In addition, because carrying low-frequency antenna controlling and driving circuits, thereby saved the circuit of the driving of controller on car, or on car, controller can be used for driving low-frequency antenna in more car, thereby improve the precision of detecting Intelligent key, can detect the concrete orientation of Intelligent key.Conveniently Intelligent key is forgotten and do not known that onboard the occupant of particular location finds Intelligent key, improve occupant's comfortableness and convenience.
On above-mentioned disclosed basis, the invention also discloses a kind of automobile door lock driving and controlling circuits, specifically comprise automobile door lock driving and controlling circuits described above, this automobile door lock driving and controlling circuits also comprises: amplify and be electrically connected to driving circuit 1 with described low frequency signal, to described open door sensor 4 with described in the sensor 5 of locking a door carry out timing wake-up and drive the timing wake-up circuit 6 of described low-frequency antenna.This circuit is carried out timing wake-up and is driven low-frequency antenna to find the operation of Intelligent key by inner single-chip microcomputer timer, and operate without the timing wake-up by car body controller, thereby can just make easily active keyless access system, and without increasing considerably car load quiescent dissipation.Active keyless access system can significantly reduce the response time of keyless access system, thereby improves higher occupant's comfortableness.
Preferably, described low frequency signal comprises random digital signal and carrier signal, and wherein, described carrier signal generates low frequency electromagnetic field by described low-frequency antenna.
Preferably, described open door sensor and described in the sensor of locking a door be capacitance type sensor.
Because carrying low-frequency antenna controlling and driving circuits, thereby can just can realize four entering without key without two low-frequency antennas of extra increase, can reduce the cost of four keyless access systems; Without control module on car, drive, can save the driving wire harness of low-frequency antenna.Reduce complete vehicle weight, improve fuel economy.
The utility model is on the basis of above-mentioned disclosed a kind of automobile door lock driving and controlling circuits, a kind of Intelligent door handle is also disclosed, this Intelligent door handle comprises above-mentioned disclosed described automobile door lock driving and controlling circuits, described Intelligent door handle is electrically connected to vehicle body control, described low-frequency antenna 3 communicates with key, wherein, described automobile door lock driving and controlling circuits is arranged at described Intelligent door handle inside.
Preferably, described open door sensor is arranged at the centre position of described Intelligent door handle.
Preferably, described in, lock a door sensor setting in the end position of described Intelligent door handle.
This Intelligent door handle is because of self band low-frequency antenna controlling and driving circuits, detecting while opening the door or locking a door signal, without waking in advance car upper controller up, but directly drive low-frequency antenna, thereby save system response time, improve the response speed of whole system, promoted occupant's comfortableness.In addition, because car upper controller is only when receiving legal Intelligent key information, just need to wake and process action up, and then effectively saved quiescent dissipation, simultaneously, also can carry out timing wake-up and drive low-frequency antenna to find the operation of Intelligent key by inner single-chip microcomputer timer, and then operate without the timing wake-up by car body controller, thereby without increasing considerably car load quiescent dissipation.Active keyless access system can significantly reduce the response time of keyless access system, thereby improves higher occupant's comfortableness.
Referring to accompanying drawing 3, is the structural representation of the Intelligent door handle in the utility model embodiment, key and car upper controller.
Specific works mode of the present utility model is as follows:
Without key, enter:
1) occupant touches open door sensor induction region 4;
2) door handle control circuit 2 senses that the electric capacity of open door sensor induction region 4 changes, and this variable quantity is greater than effective threshold value, and door handle control circuit is thought and this time touched as effectively touching;
3) door handle control circuit 2 detects effective touch, by low frequency signal, is amplified with driving circuit 1 and is driven low-frequency antenna 3 to send the low frequency signal through encrypting;
4) Intelligent key 9 is received low frequency signal, and compares with the ID of oneself;
5) comparison ID coupling, Intelligent key 9 sends the high-frequency signal that comprises id information occupant demand;
6) car upper controller 8 is received high-frequency signal, again high-frequency signal is carried out to ID matching ratio pair, if not right, ignores.If right, the high-frequency signal of receiving is resolved and the 11 execution release actions of driving gate lock control motor.
Key-free lock door:
1) occupant touches the sensor sensing region 5 of locking a door;
2) door handle control circuit 2 senses that the electric capacity in the sensor sensing region 5 of locking a door changes, and this variable quantity is greater than effective threshold value, and door handle control circuit 2 is thought and this time touched as effectively touching;
3) door handle control circuit 2 detects effective touch, by low frequency signal, is amplified with driving circuit 1 and is driven low-frequency antenna 3 to send the low frequency signal through encrypting;
4) Intelligent key 9 is received low frequency signal, and compares with the ID of oneself;
5) comparison ID coupling, Intelligent key 9 sends the high-frequency signal that comprises id information occupant demand;
6) car upper controller 8 is received high-frequency signal, again high-frequency signal is carried out to ID matching ratio pair, if not right, ignores.If right, the high-frequency signal of receiving resolved to also driving gate lock control motor 11 and carry out the action of locking.
Actively without key, enter:
1) this device is without detection 4/ lock a door 5 sensors and the independent timing wake-up of timer by door handle control circuit 2 inside and produce low frequency signal and is amplified with driving circuit 1 driving low-frequency antenna 3 and sent the low frequency signal that comprises ID signal by low frequency signal of opening the door.
2) Intelligent key 9 is received the legal low frequency signal that comprises id information.
3) Intelligent key 9 sends the high-frequency signal that comprises id information by high frequency antenna
4) car upper controller 8 is received the legal high-frequency signal that comprises id information.
5) car upper controller 8 wakes open door sensor 4 up and vehicle body interlock circuit stands ready.
6) open door sensor 4 senses effective touch, and notifies car upper controller 8.
7) car upper controller 8 is received enabling signal, and driving gate lock control motor 11 is carried out release action.
In sum: the driving and controlling circuits and the Intelligent door handle that the utility model discloses a kind of low-frequency antenna, the driving and controlling circuits of this low-frequency antenna is because of self band low-frequency antenna controlling and driving circuits, detecting while opening the door or locking a door signal, without waking in advance car upper controller up, but directly drive low-frequency antenna, thereby save system response time, improved the response speed of whole system, promoted occupant's comfortableness.In addition, because car upper controller is only when receiving legal Intelligent key information, just need to wake and process action up, and then effectively saved quiescent dissipation, simultaneously, also can carry out timing wake-up and drive low-frequency antenna to find the operation of Intelligent key by inner single-chip microcomputer timer, and then operate without the timing wake-up by car body controller, thereby without increasing considerably car load quiescent dissipation.Active keyless access system can significantly reduce the response time of keyless access system, thereby improves higher occupant's comfortableness.
In addition, because carrying low-frequency antenna controlling and driving circuits, thereby can just can realize four entering without key without two low-frequency antennas of extra increase, can reduce the cost of four keyless access systems; Without control module on car, drive, can save the driving wire harness of low-frequency antenna.Reduce complete vehicle weight, improve fuel economy.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. an automobile door lock driving and controlling circuits, comprise: the operator that the door handle control circuit of control gate grip switches and sense operation person operate intention is intended to aware circuit, described operator is intended to aware circuit and comprises open door sensor and lock a door sensor, it is characterized in that, also comprises:
Be arranged on described door handle control circuit, carry out low-frequency antenna and driving circuit that low frequency signal sends and drives, wherein,
Described door handle control circuit respectively with described open door sensor with described in the sensor of locking a door be connected, described door handle control circuit detect described open door sensor and described in the lock a door signal intensity of sensor, and send signal to the described low frequency signal that opens the door or lock a door and amplify and driving circuit;
On described low frequency signal amplification and driving circuit, be provided with low-frequency antenna;
Circuit described above is integrated on pcb board.
2. automobile door lock driving and controlling circuits according to claim 1, is characterized in that, also comprises:
Be electrically connected to driving circuit with described low-frequency antenna, to described open door sensor and described in the sensor of locking a door carry out timing wake-up and drive the timing wake-up circuit of described low-frequency antenna.
3. automobile door lock driving and controlling circuits according to claim 1, is characterized in that, described low frequency signal comprises random digital signal and carrier signal, and wherein, described carrier signal generates low frequency electromagnetic field by described low-frequency antenna.
4. automobile door lock driving and controlling circuits according to claim 1 and 2, is characterized in that, described open door sensor is capacitance type sensor.
5. automobile door lock driving and controlling circuits according to claim 1 and 2, is characterized in that, described in the sensor of locking a door be capacitance type sensor.
6. an Intelligent door handle, it is characterized in that, comprise the automobile door lock driving and controlling circuits described in the claims 1-5 any one claim, described Intelligent door handle is electrically connected to vehicle body control, described low-frequency antenna and key communicate, wherein, described automobile door lock driving and controlling circuits is arranged at described Intelligent door handle inside.
7. Intelligent door handle according to claim 6, is characterized in that, described open door sensor is arranged at the centre position of described Intelligent door handle.
8. Intelligent door handle according to claim 6, is characterized in that, described in lock a door sensor setting in the end position of described Intelligent door handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320422970.1U CN203444537U (en) | 2013-07-16 | 2013-07-16 | Drive and control circuit of low-frequency antenna and intelligent door handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320422970.1U CN203444537U (en) | 2013-07-16 | 2013-07-16 | Drive and control circuit of low-frequency antenna and intelligent door handle |
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| Publication Number | Publication Date |
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| CN203444537U true CN203444537U (en) | 2014-02-19 |
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| CN201320422970.1U Expired - Lifetime CN203444537U (en) | 2013-07-16 | 2013-07-16 | Drive and control circuit of low-frequency antenna and intelligent door handle |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104835226A (en) * | 2015-05-05 | 2015-08-12 | 马夸特开关(上海)有限公司 | Keyless automobile system |
| CN105346508A (en) * | 2015-11-05 | 2016-02-24 | 重庆熠美实业发展有限公司 | Unlocking method based on key-free access system |
| CN105825560A (en) * | 2016-03-14 | 2016-08-03 | 广州市宇飞电子有限公司 | Electronic door lock system and control method thereof |
| CN108216119A (en) * | 2017-12-29 | 2018-06-29 | 北京奇虎科技有限公司 | Automobile tripper and method, non-key system for automobile and personal vehicle system |
| CN108349334A (en) * | 2015-09-15 | 2018-07-31 | 互联电子公司 | Multi-mode door handle |
| CN109610937A (en) * | 2018-11-14 | 2019-04-12 | 杭州柚家科技有限公司 | A kind of anti-trailing method of intelligent door lock, intelligent door lock and storage medium |
| CN114643953A (en) * | 2021-04-08 | 2022-06-21 | 长城汽车股份有限公司 | Vehicle keyless entry method and system and vehicle |
-
2013
- 2013-07-16 CN CN201320422970.1U patent/CN203444537U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104835226A (en) * | 2015-05-05 | 2015-08-12 | 马夸特开关(上海)有限公司 | Keyless automobile system |
| CN108349334A (en) * | 2015-09-15 | 2018-07-31 | 互联电子公司 | Multi-mode door handle |
| US11313158B2 (en) | 2015-09-15 | 2022-04-26 | Interlink Electronics, Inc. | Multi-modal vehicle door handle |
| CN105346508A (en) * | 2015-11-05 | 2016-02-24 | 重庆熠美实业发展有限公司 | Unlocking method based on key-free access system |
| CN105825560A (en) * | 2016-03-14 | 2016-08-03 | 广州市宇飞电子有限公司 | Electronic door lock system and control method thereof |
| CN105825560B (en) * | 2016-03-14 | 2018-11-30 | 广州市宇飞电子有限公司 | Electronic door lock system and control method |
| CN108216119A (en) * | 2017-12-29 | 2018-06-29 | 北京奇虎科技有限公司 | Automobile tripper and method, non-key system for automobile and personal vehicle system |
| CN108216119B (en) * | 2017-12-29 | 2020-09-04 | 北京奇虎科技有限公司 | Automobile unlocking device and method, automobile keyless system and intelligent automobile system |
| CN109610937A (en) * | 2018-11-14 | 2019-04-12 | 杭州柚家科技有限公司 | A kind of anti-trailing method of intelligent door lock, intelligent door lock and storage medium |
| CN114643953A (en) * | 2021-04-08 | 2022-06-21 | 长城汽车股份有限公司 | Vehicle keyless entry method and system and vehicle |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20140219 |
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| CX01 | Expiry of patent term |