CN105133994B - Trunk opening method and automatic induction opening system for trunk - Google Patents
Trunk opening method and automatic induction opening system for trunk Download PDFInfo
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- CN105133994B CN105133994B CN201510423430.9A CN201510423430A CN105133994B CN 105133994 B CN105133994 B CN 105133994B CN 201510423430 A CN201510423430 A CN 201510423430A CN 105133994 B CN105133994 B CN 105133994B
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Abstract
The invention relates to a trunk opening method and an automatic induction opening system for a trunk. The method includes the steps that a capacitive sensor arranged in a rear bumper of an automobile measures an electric field change signal; the electric field change signal is converted into a level signal; the level signal is detected, and whether the level signal is a preset action signal or not is judged; and if yes, a trunk opening mechanism is controlled according to the preset action signal to open the trunk. By means of the trunk opening method and the automatic induction opening system, the trunk can be opened automatically, operation is facilitated for users, and the functions of the automobile are more humanized and intelligent; and the trunk opening method and the automatic induction opening system are not only suitable for vehicles with electric trunk opening and closing functions but also suitable for vehicles without electric trunk opening and closing functions, such as vehicles with common gas springs, and are wider in applicable vehicle range, and the vehicle purchase cost is lowered while convenience is improved for users.
Description
Technical field
The present invention relates to electronic technology field, more particularly to a kind of boot release method, for opening luggage case
Luggage case auto-induction opening system.
Background technology
With the continuous development of society, the gradually growth of automobile consumption colony, the comfortableness of automobile and convenience become to get over
Come more important, hommization intellectuality is the mainstream thoughts of future automobile.The mode for opening car trunk at present typically has three kinds：
(1) by the zip switch open luggage case beside pilot set；(2) luggage case is opened by Intelligent key remote control；(3) lead to
Cross pressing boot switch and open luggage case.These methods generally need to be operated with handss.But, when car owner's both hands hold article,
Car body is dirty or weather conditions are severe etc. cause to be not suitable for it is manual in the case of, the method for above-mentioned unlatching luggage case is to car
Main use brings great inconvenience.
For the problems referred to above, it is that realization need not by technologies such as voice unlatching or radar for backing car mostly in prior art
The luggage case contacted with handss automatically turns on operation, but their applicable vehicle need to contain electric trunk open function, and this is just
Need car owner's purchase luxurious or even vehicle of the top with the above, greatly reduce the scope that client selects car.
The content of the invention
Based on this, it is necessary to for the problems referred to above, there is provided a kind of boot release method and luggage case auto-induction opening
System, can expand the scope of application of vehicle on the basis of realizing without the need for the boot release function with handss contact.
A kind of boot release method, including step：
Electric field change signal is measured by the capacitance sensor in automobile rear bumper；
The electric field change signal is converted to into level signal；
The level signal is detected, judges whether the level signal is deliberate action signal；
If so, boot release mechanism is controlled according to the deliberate action signal and opens luggage case；
The level signal is detected, judges that the step of whether level signal is deliberate action signal includes：
If the level signal meets in the first Preset Time sequentially in time successively presetting for low level signal, second
Be high level signal in time, in the 3rd Preset Time be low level signal and the 3rd Preset Time after for permanent High level letter
Number, then judge that the level signal is deliberate action signal.
A kind of luggage case auto-induction opening system for opening luggage case, including：
Electric field change signal measurement module, for measuring electric field by the capacitance sensor in automobile rear bumper
Variable signal；
Electric field change signal conversion module, for being converted to level signal by the electric field change signal；
Level signal detection module, for detecting the level signal, judges whether the level signal is deliberate action
Signal；
Boot release module, for when the level signal is deliberate action signal, believing according to the deliberate action
Luggage case is opened by number control boot release mechanism；
The level signal detection module includes deliberate action signal determining unit；The deliberate action signal determining unit
Meet successively in the first Preset Time sequentially in time for low level signal, in the second Preset Time be in the level signal
When in high level signal, the 3rd Preset Time for being permanent High level signal after low level signal and the 3rd Preset Time, sentence
The fixed level signal is deliberate action signal.
Boot release method of the present invention and luggage case auto-induction opening system, based on capacitance induction principle, receive electricity
Hold the electric field change signal of sensor measurement, electric field change signal is converted to into level signal, then judges that the level signal is
The no deliberate action signal caused for correct kick action etc., if so, then controls luggage case according to the deliberate action signal and opens
Open mechanism and automatically turn on luggage case.Present invention achieves automatically turning on for luggage case, facilitates the operation of user, makes automobile function
More hommization and intellectuality；The vehicle with electric trunk opening and closing function is applicable not only to, is applied also for without electronic
Luggage case is opened and closed the vehicles such as the vehicle of function, such as common gas spring, and applicable vehicle scope is wider, is improving user's convenience
While reduce purchase car cost.
Description of the drawings
Fig. 1 is the schematic flow sheet of boot release embodiment of the method for the present invention；
Fig. 2 is the schematic diagram of first step of correct kick action of the invention；
Fig. 3 is the schematic diagram of correct kick action second step of the invention；
Fig. 4 is the schematic diagram of 3rd step of correct kick action of the invention；
Fig. 5 is the schematic diagram of deliberate action signal specific embodiment of the present invention；
Schematic diagrams of the Fig. 6 for inventive sensor fault-signal specific embodiment；
Fig. 7 is the schematic diagram of controller failure signal specific embodiment of the present invention；
Fig. 8 is the present invention for opening the structural representation of the luggage case auto-induction opening system embodiment of luggage case；
Fig. 9 is the structural representation of level signal detection module embodiment of the present invention；
Figure 10 is the structural representation of level signal detection module embodiment of the present invention two.
Specific embodiment
In order to be better understood from the technical problem to be solved in the present invention, the technical scheme taken and the technique effect for reaching,
Below in conjunction with the accompanying drawings the specific embodiment of the present invention is described in detail.
As shown in figure 1, a kind of boot release method, including step：
S110, the capacitance sensor measurement electric field change signal by being arranged in automobile rear bumper；
S120, the electric field change signal is converted to into level signal；
S130, the detection level signal, judge whether the level signal is deliberate action signal；
S140, boot release mechanism is controlled according to the deliberate action signal if so, open luggage case.
Capacitance sensor may be mounted at it is in-car Anywhere, it is contemplated that the convenience that uses of user and electric capacity
The susceptiveness of sensor sensing, capacitance sensor are preferably mounted at the inner side of rear bumper.The present invention can pass through two electric capacity
Sensor measures electric field change signal, and the two capacitance sensors are separately mounted to the both sides up and down of rear bumper position, so as to
Electric field change can preferably be measured.When car owner is in rear bumper preset range, such as 30cm (centimetre) does one and comes
During the skirt action returned, the electric field change between capacitance sensor and ground connection electric field, capacitance sensor can be excited independently to measure
And analyze this dynamic electric field change.It should be noted that the present invention is not made to the quantity and position of capacitance sensor
Limit, but in order to prevent erroneous judgement, electric field change signal is measured using two or more capacitance sensors as far as possible.
Invention also defines the specification of correct kick action, comprises the following steps that：
S1, as shown in Fig. 2 foot is close on the downside of rear bumper, two circle tables in wherein Fig. 2 below rear bumper
Show the investigative range of upper and lower two capacitance sensors；
S2, foot is moved on to stop in the range of general 20cm on the downside of rear bumper, be not required to contact rear bumper.Specifically
Position is as shown in Figure 3, it is ensured that lower limb is into the search coverage in Fig. 3；
S3, as shown in figure 4, foot is withdrawn, complete the action of a continuity.
Whole kick action needs to complete at the appointed time, and in whole process, foot must be introduced into and after from
Open search coverage and just calculate and complete whole kick action.
After measuring electric field change signal, electric field change signal is converted to into level signal, wherein electric field change signal turns
The mode for being changed to level signal can be to realize according to existing mode in prior art.In one embodiment, detect the level
Signal, judges that the step of whether level signal is deliberate action signal can include：
If the level signal meets in the first Preset Time sequentially in time successively presetting for low level signal, second
Be high level signal in time, in the 3rd Preset Time be low level signal and the 3rd Preset Time after for permanent High level letter
Number, then judge that the level signal is deliberate action signal.First Preset Time and the 3rd Preset Time can be with equal.
The level signal can also be opened including sensor failure signals, controller failure signal and luggage case automatic sensing
Normal work signal of starting system etc..So, in one embodiment, detect the level signal the step of can also include：
If the level signal is the first action signal of preset times, judge the level signal as sensor fault
Signal, wherein described first action signal sequentially in time successively meet the 4th Preset Time in for low level signal, the 5th
It is high level signal in Preset Time；
If the level signal is the second action signal of preset times, judge the level signal as controller failure
Signal, wherein described second action signal sequentially in time successively meet the 6th Preset Time in for low level signal, the 7th
It is high level signal in Preset Time, the time of second action signal is equal with the time of first action signal, the
Six Preset Times are more than the 4th Preset Time, and the 7th Preset Time is less than the 5th Preset Time；
If the level signal is lasting high level signal, judge that the level signal is normal work signal.
The characteristics of in order to be better understood from each level signal, be given below deliberate action signal, sensor failure signals and
The schematic diagram of the specific embodiment of controller failure signal.It should be noted that the schematic diagram of Fig. 5 to Fig. 7 is only used for understanding this
Invention, does not make restriction to each level signal of the invention；Low level and high level can also be entered line replacement, such as Easy
Open Trunk system worked wells but for continuing low level etc. during no kick action.
As shown in figure 5, for carrying out deliberate action signal during correct kick action.The low electricity of 100ms (millisecond) is exported first
It is flat, 50ms high level is then exported, then exports 100ms low levels, then signal returns to high level.The whole action signal time is
250ms。
As shown in fig. 6, being sensor failure signals.The low level of 125ms is first exported, 350ms high level is then exported, so
Signal returns to high level afterwards.The whole action signal time is 500ms, is continued 10 times, and dutycycle is 25%, and tolerance is ± 5%.
As shown in fig. 7, being controller failure signal.The low level of 200ms is first exported, 300ms high level is then exported, so
Signal returns to high level afterwards.The whole action signal time is 500ms, is continued 10 times, and dutycycle is 40%, and tolerance is ± 5%.
In one embodiment, the present invention can also include step：
The level signal is detected, judges whether the level signal is sensor failure signals or controller failure letter
Number；
If so, the sensor failure signals or controller failure signal are stored；
Receive Auto analyzer send request of data, according to the request of data by store sensor failure signals or
Controller failure signal is sent to Auto analyzer and carries out fault diagnosis.
When identifying that level signal is normal work signal, in order to save internal memory, data storage is not carried out, luggage case is not
Open.When identifying that level signal is deliberate action signal, boot release mechanism is controlled according to the deliberate action signal
Open luggage case.Boot release mechanism is used for opening luggage case, and vehicle is different, and boot release mechanism is different.Such as luggage
Case unlocking mechanism is gas spring or motor etc..
Based on same inventive concept, the present invention also provides a kind of luggage case auto-induction opening system for opening luggage case
System, is described in detail to the specific embodiment of luggage case auto-induction opening system below in conjunction with the accompanying drawings.
As shown in figure 8, a kind of luggage case auto-induction opening system for opening luggage case, including：
Electric field change signal measurement module 110, for by the capacitance sensor measurement in automobile rear bumper
Electric field change signal；
Electric field change signal conversion module 120, for being converted to level signal by the electric field change signal；
Level signal detection module 130, for detecting the level signal, judges whether the level signal is default dynamic
Make signal；
Boot release module 140, for when the level signal is deliberate action signal, according to the deliberate action
Luggage case is opened by signal control boot release mechanism.
Easy Open Trunk (luggage case auto-induction opening system) are independent systems, and it includes that electric capacity is passed
Sensor and controller etc., each module of the invention can be realized on the controller.Whole system is arranged on the inner side of rear bumper,
The middle part of rear bumper can be for example placed on, it is also possible to place other places in the car.In view of the convenience that user uses
Property and capacitance sensor sensing susceptiveness, whole system is preferably mounted at the inner side of rear bumper, the electric field change letter
Number i.e. can be obtained by the capacitance sensor measurement in automobile rear bumper.The system is based on electric capacity (electric field) skill
Art principle.When car owner is when a skirt action back and forth is done in rear bumper preset range, capacitance sensor can be excited
And the electric field change between ground connection electric field, capacitance sensor can independently measure and analyze this dynamic electric field change.
In one embodiment, Easy Open Trunk can include two capacitance sensors, two capacitance sensors point
Not An Zhuan rear bumper position both sides up and down, so as to preferably measurement electric field change.It should be noted that of the invention
Quantity and position not to capacitance sensor makes restriction, but in order to prevent erroneous judgement, need to adopt two or more
Capacitance sensor measurement electric field change signal.
After electric field change signal measurement module 110 measures electric field change signal, electric field change signal conversion module 120 will
Electric field change signal is converted to level signal, wherein electric field change signal be converted to the mode of level signal can be according to existing skill
In art, existing mode is realized.In one embodiment, as shown in figure 9, the level signal detection module 130 can include presetting
Action signal identifying unit 1301；The deliberate action signal determining unit 1301 the level signal sequentially in time according to
It is secondary to meet interior in high level signal, the 3rd Preset Time being for low level signal, the second Preset Time in the first Preset Time
When being permanent High level signal after low level signal and the 3rd Preset Time, judge the level signal and believe as deliberate action
Number.
The level signal can also be opened including sensor failure signals, controller failure signal and luggage case automatic sensing
Normal work signal of starting system etc..So, in one embodiment, as shown in Figure 10, the level signal detection module 130
Can also include：
Sensor failure signals identifying unit 1302, in the first action signal that the level signal is preset times
When, the level signal is judged as sensor failure signals, wherein described first action signal is met sequentially in time successively
It is high level signal that it is low level signal that 4th Preset Time is interior, the 5th Preset Time is interior；
Controller failure signal determining unit 1303, in the second action signal that the level signal is preset times
When, judging that the level signal is controller failure signal, wherein described second action signal is met sequentially in time successively
It is low level signal in 6th Preset Time, in the 7th Preset Time is high level signal, the time of second action signal
Equal with the time of first action signal, the 6th Preset Time is more than the 4th Preset Time, and the 7th Preset Time is less than the
Five Preset Times；
Normal work signal determining unit 1304, for when the level signal is lasting high level signal, judging
The level signal is normal work signal.
In one embodiment, the level signal detection module 130 is it is determined that the level signal is sensor fault
When signal or controller failure signal, the sensor failure signals or controller failure signal is stored, receive Auto analyzer
The sensor failure signals of storage or controller failure signal are sent to vapour according to the request of data by the request of data of transmission
Car diagnostic apparatuses carry out fault diagnosis.
When level signal detection module 130 identify level signal be normal work signal when, in order to save internal memory, do not enter
Row data storage, luggage case are not turned on.When level signal detection module 130 identify level signal be deliberate action signal when,
Boot release module 140 controls boot release mechanism according to the deliberate action signal and opens luggage case.
The present invention is used for opening other technical characteristics of luggage case auto-induction opening system and boot release of luggage case
Method is identical, will not be described here.
Each technical characteristic of embodiment described above arbitrarily can be combined, for making description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more concrete and detailed, but and
Therefore can not be construed as limiting the scope of the patent.It should be pointed out that for one of ordinary skill in the art comes
Say, without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (6)
1. a kind of boot release method, it is characterised in that including step：
Electric field change signal is measured by the capacitance sensor in automobile rear bumper；
The electric field change signal is converted to into level signal；
The level signal is detected, judges whether the level signal is deliberate action signal；
If so, boot release mechanism is controlled according to the deliberate action signal and opens luggage case；
The level signal is detected, judges that the step of whether level signal is deliberate action signal includes：
If the level signal is met in the first Preset Time sequentially in time successively for low level signal, the second Preset Time
Interior after low level signal and the 3rd Preset Time is permanent High level signal for being in high level signal, the 3rd Preset Time,
Then judge that the level signal is deliberate action signal.
2. boot release method according to claim 1, it is characterised in that the level signal also include sensor therefore
The normal work signal of barrier signal, controller failure signal and luggage case auto-induction opening system；
The step of detecting the level signal also includes：
If the level signal is the first action signal of preset times, judges the level signal and believe as sensor fault
Number, wherein described first action signal is met in the 4th Preset Time sequentially in time successively for low level signal, the 5th pre-
If in the time being high level signal；
If the level signal is the second action signal of preset times, judges the level signal and believe as controller failure
Number, wherein described second action signal is met in the 6th Preset Time sequentially in time successively for low level signal, the 7th pre-
If in the time being high level signal, the time of second action signal is equal with the time of first action signal, the 6th
Preset Time is more than the 4th Preset Time, and the 7th Preset Time is less than the 5th Preset Time；
If the level signal is lasting high level signal, judge that the level signal is normal work signal.
3. boot release method according to claim 2, it is characterised in that also including step：
The level signal is detected, judges whether the level signal is sensor failure signals or controller failure signal；
If so, the sensor failure signals or controller failure signal are stored；
Receive Auto analyzer send request of data, according to the request of data by store sensor failure signals or control
Device fault-signal is sent to Auto analyzer and carries out fault diagnosis.
4. a kind of luggage case auto-induction opening system for opening luggage case, it is characterised in that include：
Electric field change signal measurement module, for measuring electric field change by the capacitance sensor in automobile rear bumper
Signal；
Electric field change signal conversion module, for being converted to level signal by the electric field change signal；
Level signal detection module, for detecting the level signal, judges whether the level signal is deliberate action signal；
Boot release module, for when the level signal is deliberate action signal, according to the deliberate action signal control
Luggage case is opened by boot release mechanism processed；
The level signal detection module includes deliberate action signal determining unit；The deliberate action signal determining unit is in institute
State level signal to be met successively in the first Preset Time sequentially in time for being high electricity in low level signal, the second Preset Time
When in ordinary mail number, the 3rd Preset Time for being permanent High level signal after low level signal and the 3rd Preset Time, institute is judged
Level signal is stated for deliberate action signal.
5. the luggage case auto-induction opening system for opening luggage case according to claim 4, it is characterised in that institute
State normal work of the level signal also including sensor failure signals, controller failure signal and luggage case auto-induction opening system
Make signal；
The level signal detection module also includes：
Sensor failure signals identifying unit, in first action signal of the level signal for preset times, judging
The level signal is sensor failure signals, and it is default that wherein described first action signal meets the 4th sequentially in time successively
It is high level signal that it is low level signal that time is interior, the 5th Preset Time is interior；
Controller failure signal determining unit, in second action signal of the level signal for preset times, judging
The level signal is controller failure signal, and it is default that wherein described second action signal meets the 6th sequentially in time successively
It is low level signal in time, in the 7th Preset Time is high level signal, the time of second action signal and described the
The time of one action signal is equal, and the 6th Preset Time is more than the 4th Preset Time, when the 7th Preset Time is default less than the 5th
Between；
Normal work signal determining unit, for when the level signal is lasting high level signal, judging the level
Signal is normal work signal.
6. the luggage case auto-induction opening system for opening luggage case according to claim 5, it is characterised in that institute
Level signal detection module is stated when it is determined that the level signal is sensor failure signals or controller failure signal, institute is stored
Sensor failure signals or controller failure signal is stated, the request of data that Auto analyzer sends is received, please according to the data
Ask and the sensor failure signals of storage or controller failure signal are sent to into Auto analyzer carry out fault diagnosis.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510423430.9A CN105133994B (en) | 2015-07-16 | 2015-07-16 | Trunk opening method and automatic induction opening system for trunk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510423430.9A CN105133994B (en) | 2015-07-16 | 2015-07-16 | Trunk opening method and automatic induction opening system for trunk |
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| CN105133994A CN105133994A (en) | 2015-12-09 |
| CN105133994B true CN105133994B (en) | 2017-03-22 |
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| CN201510423430.9A Active CN105133994B (en) | 2015-07-16 | 2015-07-16 | Trunk opening method and automatic induction opening system for trunk |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107618459A (en) * | 2016-07-14 | 2018-01-23 | 中山市澳多电子科技有限公司 | Automobile trunk open method, sensor, automobile, intelligent automobile, artificial intelligence automobile |
| CN106627488A (en) * | 2016-12-05 | 2017-05-10 | 广州汽车集团股份有限公司 | Method, device and system for opening automobile door |
| CN106481187A (en) * | 2016-12-10 | 2017-03-08 | 东莞市欧诗迈电子科技有限公司 | A kind of sensing tail-gate shutoff device |
| CN107882468A (en) * | 2017-11-30 | 2018-04-06 | 肇庆高新区新伟达科技有限公司 | Car trunk opening device and method |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008063366B4 (en) * | 2008-12-30 | 2022-04-28 | Huf Hülsbeck & Fürst Gmbh & Co. Kg | Device for contactless actuation of a tailgate of a motor vehicle and method for actuating a tailgate of a motor vehicle and motor vehicle |
| DE102010049400A1 (en) * | 2010-10-26 | 2012-04-26 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Hallstadt | Sensor unit for contactless actuation of a vehicle door |
| DE102011010620B4 (en) * | 2011-02-08 | 2014-07-17 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Hallstadt | Method for measuring a capacitance |
| DE102012008530A1 (en) * | 2012-05-02 | 2013-11-07 | Brose Fahrzeugteile Gmbh & Co. Kg, Hallstadt | Method for controlling a closure element arrangement of a motor vehicle |
| DE102012107800A1 (en) * | 2012-08-23 | 2014-02-27 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Hallstadt | System for adjusting movement of e.g. tailgate of e.g. motor car, has capacitive sensor device to detect visual status of adjusting movement of vehicle closing element for producing person perceptible notification about current |
| CN203462905U (en) * | 2013-08-28 | 2014-03-05 | 重庆海德世拉索系统（集团）有限公司 | Automatic back door control system for automobile |
| 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 |
| DE102013114881A1 (en) * | 2013-12-25 | 2015-06-25 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Hallstadt | Control system for a motor-driven closure element arrangement of a motor vehicle |
| DE102013114883A1 (en) * | 2013-12-25 | 2015-06-25 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Hallstadt | Control system for a motor-driven closure element arrangement of a motor vehicle |
| CN204199942U (en) * | 2014-10-16 | 2015-03-11 | 乔明齐 | A kind of automobile trunk auto-induction opening and shutoff device |
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