CN107358687A - A kind of double induction type automobile electric tail gate control systems and method - Google Patents
A kind of double induction type automobile electric tail gate control systems and method Download PDFInfo
- Publication number
- CN107358687A CN107358687A CN201710477980.8A CN201710477980A CN107358687A CN 107358687 A CN107358687 A CN 107358687A CN 201710477980 A CN201710477980 A CN 201710477980A CN 107358687 A CN107358687 A CN 107358687A
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- Prior art keywords
- radar
- automobile
- capacitance sensor
- master control
- control system
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/20—Means to switch the anti-theft system on or off
- B60R25/2054—Means to switch the anti-theft system on or off by foot gestures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C2209/00—Indexing scheme relating to groups G07C9/00 - G07C9/38
- G07C2209/60—Indexing scheme relating to groups G07C9/00174 - G07C9/00944
- G07C2209/63—Comprising locating means for detecting the position of the data carrier, i.e. within the vehicle or within a certain distance from the vehicle
- G07C2209/64—Comprising locating means for detecting the position of the data carrier, i.e. within the vehicle or within a certain distance from the vehicle using a proximity sensor
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- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Computer Networks & Wireless Communication (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Human Computer Interaction (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Lock And Its Accessories (AREA)
- Burglar Alarm Systems (AREA)
Abstract
A kind of double induction type automobile electric tail gate control systems and method provided by the invention, wherein system includes automobile master control system, be connected with automobile master control system without key open system and automobile trunk, induction system also includes the microprocessor being connected with automobile master control system, the signal conditioning circuit and electric capacity modular converter being connected with microprocessor, the radar module being connected with signal conditioning circuit, the capacitance sensor being connected with electric capacity modular converter.The present invention solve prior art because induction system in the course of the work because power consumption is higher and caused by the wasting of resources technical problem.The present invention, which can accurately detect user and obtain, to be really intended to, and tells whether user will really open boot, and relatively low avoid of power consumption causes the wasting of resources, decrease erroneous judgement.
Description
Technical field
The invention belongs to automobile power back door control field, is controlled more particularly to a kind of double induction type automobile electric tail gates
System and method.
Background technology
The background of related of the present invention is illustrated below, but these explanations might not form the existing of the present invention
Technology.
Continuous development of the radar in automobile control technology so that the electric tail gate of keyless entry functional device is increasingly
Used on more automobile tail gates so that user realizes the auto-switch function of automobile tail gate in the case where that need not take key.Existing
In some vehicles, typically using installation radar electric tail gate inductor, radar electric tail gate is sensed for tail-gate automatic switching system
Device is arranged on tail-gate bottom, and after being efficiently identified to key, tail-gate control module can starts.
State Intellectual Property Office disclosed a kind of automobile tail gate automatic opening system and method, patent on May 20th, 2015
Number it is CN201310559127.2, applies for artificial Shanghai General Motors Corporation Limited.The invention utilizes and is arranged at rear bumper
Two-capacitance sensor identifies leg action, judges that user will open the intention of tail-gate, when key certification by after, start tail-gate
Automatically turn on function.The system and method for the present invention can discharge client's both hands, and need to only be identified by foot action can be automatic
Open tail-gate.
This kind of method and other traditional open methods be by radar to object radiation, such as the detection ripple that microwave is formed,
And the detection ripple of object reflection is received, the moving object in tail-gate zone of action is first detected, then key is identified, automatic start tail
The switching function of door, although this system has higher sensitivity, because of the wasting of resources caused by power consumption is higher the problem of.
The content of the invention
For solve prior art because induction system in the course of the work because power consumption is higher and caused by the technology of the wasting of resources ask
Topic, the present invention propose a kind of double induction type automobile electric tail gate induction systems and method.
In a preferred embodiment according to the present invention,
A kind of double induction type automobile electric tail gate control systems provided by the invention, including automobile master control system, with automobile master control
System connection without key open system and automobile trunk, induction system also includes the microprocessor being connected with automobile master control system
Device, the signal conditioning circuit being connected with microprocessor and electric capacity modular converter, the radar module being connected with signal conditioning circuit, with
The capacitance sensor of electric capacity modular converter connection；Capacitance sensor is used to detect in tail-gate zone of action whether someone to enter, from
And radar start is waken up, radar module is and micro- by receiving by automobile master control system for detecting whether there is kick action
By detecting key, whether the people nearby to judge to open boot is car owner to the information of reason device again.
Preferably, above-mentioned electric capacity modular converter selects AD7150 type capacitive transducers.
The present invention also provides a kind of double induction type automobile electric tail gate control methods, and this method comprises the following steps：
The first step, the detection range and speed interval of radar are configured；
Second step, microprocessor and radar sensor under being waken up in a dormant state by capacitance sensor；
3rd step, when detecting someone close to the tailstock by capacitance sensor, radar sensor and microprocessor
Start to detect kick action after being waken up；
4th step, determines whether kick action；
5th step, when judged result is without kick action in above-mentioned steps 4, radar sensor continues to detect
Preprocessor enters dormancy, and radar is closed, and waits wake-up next time of capacitance sensor；
6th step, when judged result has kick action in above-mentioned steps 4, send a signal to automobile master control system
System, whether sent out by the rf board transmitting radio-frequency signal detection car key inside the control of automobile master control system
Send open command, if key does not send open command, be judged as illegally opening, then boot this
Shi Buneng is opened.
Preferably, first first detected by capacitance sensor in above-mentioned steps 3, when capacitance sensor has detected
Radar sensor is waken up again when people is close to the tailstock.
Preferably, the time of above-mentioned radar sensor detection is the 3-5 seconds.
Specifically advantage is：
1st, it can accurately detect user and obtain and really be intended to, tell whether user will really open boot, power consumption is relatively low to keep away
The problem of having exempted to cause the wasting of resources.
2nd, the scheme of the system design is that radar is closed in the case of no one behind car, when someone comes behind car by electricity
Hold sensor to detect, and wake up radar module work, radar waits triggering next time after working 5 seconds.So the power consumption of system is just
Very little, and the influence capacitance sensor erroneous judgement of weather, at this moment radar sensor can't detect kick action and will not give
Master signal, so being not in erroneous judgement.
Brief description of the drawings
By that will become more and the specific embodiment part provided, the features and advantages of the present invention referring to the drawings
It is readily appreciated that, in the accompanying drawings：
Fig. 1 is double induction type automobile electric tail gate control system schematic diagrams in the present invention；
Fig. 2 is the flow chart for performing step in the present invention in microprocessor.
Embodiment
The illustrative embodiments of the present invention are described in detail with reference to the accompanying drawings.Illustrative embodiments are retouched
State merely for the sake of demonstration purpose, and be definitely not to the present invention and its application or the limitation of usage.
According to the present invention shown embodiment,
As shown in figure 1, because the environmental change in the external world has a great influence for capacitance sensor, with temperature and sleety weather
The situation of erroneous judgement occurs Deng change, so capacitance sensor is only used only to judge that boot switch is clearly unreasonable
, but the power consumption of capacitance sensor is very small.External environment change influenceed for radar sensor it is minimum, with radar mould
Block is more accurate as the judgement of kick action, due to launching microwave always when radar sensor works, so power consumption is bigger,
It is obviously also irrational using single radar sensor.The scheme of the system design is the thunder in the case of no one behind car
Up to closing, detected when someone comes behind car by capacitance sensor, and wake up radar after radar works 5 seconds, 5 seconds and wait next time
Triggering.The power consumption of so system is reduced by, and the influence of weather can cause capacitance sensor to be judged by accident, and at this moment radar senses
Device, which can't detect kick action, will not give master signal, and the system combines detection using capacitance sensor and radar module,
Avoid system and erroneous judgement occurs.
Concrete methods of realizing is a kind of double induction type automobile electric tail gate control systems provided by the invention, including automobile
Master control system, be connected with automobile master control system without key open system and automobile trunk, induction system also includes and automobile
The microprocessor of master control system connection, the signal conditioning circuit being connected with microprocessor and electric capacity modular converter, with signal condition
The radar module of circuit connection, the capacitance sensor being connected with electric capacity modular converter；Capacitance sensor is used to detect tail-gate activity
Whether someone enters in region, and so as to wake up radar start, radar module is for detecting whether there is kick action, and by automobile primary
Control system is by receiving the information of microprocessor again by detecting whether key nearby judges that the people for opening boot is
No is car owner.Especially by test using capacitance sensor tail-gate zone of action, whether someone enters, so as to wake up radar module
Start, then radar module has detected whether kick action to judge whether key detecting system detects, if having kick action
Without key open key system send pulse wireless electric wave (power is very low, and hunting zone is close, about in 1.5m) search nearby whether
There is legal key, and sense the anti-code theft in legal key, the anti-code theft in transponder, the theftproof chip as inside key,
This theftproof chip is arranged on remote control circuit plate by integral type remote control, after legal key is sensed, is manipulated without active
The Digiplex firing key can authorized is opened, closes boot.
Radar module is closed under normal circumstances, and when there is " car owner " close, capacitance sensor detects " car owner "
After wake up microprocessor unit, at this moment radar module open 5 seconds, wait kick action, if without kick action radar close it is micro-
Processor unit dormancy, wait next time wake up, if having kick action radar module capture signal by signal conditioning circuit by
Microprocessor processes, and automobile primary control module is sent to, automobile master control wakes up the impulse radio sent without key open system
Whether ripple search nearby has legal key, is car owner if key signal is searched, and automobile main control module sends boot unlatching
Instruction.
Shown in Figure 2, the present invention also provides a kind of double induction type automobile electric tail gate control methods, first, to radar
Detection range and speed interval be configured；Secondly, the microprocessor under being waken up in a dormant state by capacitance sensor
And radar sensor；Again, when detecting someone close to the tailstock by capacitance sensor and radar sensor, radar sensor and micro-
Processor starts to detect kick action after being waken up；First first detected by capacitance sensor in the step, when capacitance sensor detects
To someone close to the tailstock when wake up radar sensor again.Again, kick action is determined whether, when judged result is to be kicked without pin
When making, radar sensor continues detection preprocessor and enters dormancy, and radar is closed, and waits wake-up next time of capacitance sensor；When
When judged result has kick action, automobile master control system is sent a signal to, is sent out by the rf board inside the control of automobile master control system
Penetrate whether radio-frequency signal detection car key sends open command, if key does not send open command, be judged as illegally opening, then
Boot can not now be opened.
Although with reference to illustrative embodiments, invention has been described, but it is to be understood that the present invention does not limit to
The embodiment that Yu Wenzhong is described in detail and shown, in the case of without departing from claims limited range, this
Art personnel can make various improvement or modification to the illustrative embodiments.
Claims (5)
1. a kind of double induction type automobile electric tail gate control systems, including automobile master control system, are connected with automobile master control system
Without key open system and automobile trunk, it is characterised in that：The induction system also includes what is be connected with automobile master control system
Microprocessor, the signal conditioning circuit being connected with microprocessor and electric capacity modular converter, the radar being connected with signal conditioning circuit
Module, the capacitance sensor being connected with electric capacity modular converter；Capacitance sensor be used to detecting in tail-gate zone of action whether someone
Into so as to wake up radar start, radar module is for detecting whether have kick action, and pass through reception by automobile master control system
To microprocessor information again by detect key whether nearby come judge open boot people whether be car owner.
2. double induction type automobile electric tail gate control systems according to claim 1, it is characterised in that：The electric capacity conversion
Module selects AD7150 type capacitive transducers.
A kind of 3. double induction type automobile electric tail gate control methods, it is characterised in that：It the described method comprises the following steps：
Step 1, the detection range and speed interval of radar are configured；
Step 2, microprocessor and radar sensor under being waken up in a dormant state by capacitance sensor；
Step 3, when detecting someone close to the tailstock by capacitance sensor, radar sensor and microprocessor start to examine after being waken up
Survey kick action；
Step 4, kick action is determined whether；
Step 5, when judged result is without kick action in the step 4, radar sensor continues detection preprocessor entrance and stopped
Sleep, radar is closed, and waits wake-up next time of capacitance sensor；
Step 6, when judged result has kick action in the step 4, automobile master control system is sent a signal to, by automobile master control system
Whether the rf board transmitting radio-frequency signal detection car key inside system control sends open command, if key does not send unlatching and referred to
Order, is judged as illegally opening, then boot can not now be opened.
4. double induction type automobile electric tail gate control methods according to claim 3, it is characterised in that：In the step 3
First first detected by capacitance sensor, radar sensor is waken up again when capacitance sensor detects someone close to the tailstock.
5. double induction type automobile electric tail gate control methods according to claim 3, it is characterised in that：The radar sensing
The time of device detection is the 3-5 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710477980.8A CN107358687A (en) | 2017-06-22 | 2017-06-22 | A kind of double induction type automobile electric tail gate control systems and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710477980.8A CN107358687A (en) | 2017-06-22 | 2017-06-22 | A kind of double induction type automobile electric tail gate control systems and method |
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| Publication Number | Publication Date |
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| CN107358687A true CN107358687A (en) | 2017-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710477980.8A Pending CN107358687A (en) | 2017-06-22 | 2017-06-22 | A kind of double induction type automobile electric tail gate control systems and method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108639006A (en) * | 2018-07-04 | 2018-10-12 | 江苏吉厚智能制造有限公司 | Automobile tail gate radar open system |
| CN109377296A (en) * | 2017-11-30 | 2019-02-22 | 金超 | A kind of self-service convenience store automatic waking device |
| CN111252033A (en) * | 2020-02-26 | 2020-06-09 | 新立科技股份有限公司 | Automobile tail door kick recognition system and method |
| CN111409591A (en) * | 2020-04-22 | 2020-07-14 | 成都多普勒科技有限公司 | Electric tail gate system based on automobile radar and control method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573098A (en) * | 2013-11-19 | 2014-02-12 | 浙江吉利汽车研究院有限公司 | Self-induction type vehicle trunk opening device |
| CN104627124A (en) * | 2013-11-12 | 2015-05-20 | 上海通用汽车有限公司 | Automatic opening system and method of automotive rear gate |
-
2017
- 2017-06-22 CN CN201710477980.8A patent/CN107358687A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104627124A (en) * | 2013-11-12 | 2015-05-20 | 上海通用汽车有限公司 | Automatic opening system and method of automotive rear gate |
| CN103573098A (en) * | 2013-11-19 | 2014-02-12 | 浙江吉利汽车研究院有限公司 | Self-induction type vehicle trunk opening device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109377296A (en) * | 2017-11-30 | 2019-02-22 | 金超 | A kind of self-service convenience store automatic waking device |
| CN108639006A (en) * | 2018-07-04 | 2018-10-12 | 江苏吉厚智能制造有限公司 | Automobile tail gate radar open system |
| CN111252033A (en) * | 2020-02-26 | 2020-06-09 | 新立科技股份有限公司 | Automobile tail door kick recognition system and method |
| CN111252033B (en) * | 2020-02-26 | 2022-02-11 | 新立科技股份有限公司 | Automobile tail door kick recognition system and method |
| CN111409591A (en) * | 2020-04-22 | 2020-07-14 | 成都多普勒科技有限公司 | Electric tail gate system based on automobile radar and control method |
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Application publication date: 20171117 |