CN105133994A - 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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- CN105133994A CN105133994A CN201510423430.9A CN201510423430A CN105133994A CN 105133994 A CN105133994 A CN 105133994A CN 201510423430 A CN201510423430 A CN 201510423430A CN 105133994 A CN105133994 A CN 105133994A
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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, particularly relating to a kind of boot release method, for opening the luggage case auto-induction opening system of luggage case.
Background technology
Along with the development of society, the growth gradually of automobile consumption colony, the comfortableness of automobile and convenience become more and more important, and hommization intellectuality is the mainstream thoughts of future automobile.The mode of current opening automobile luggage case generally has three kinds: (1) is by the zip switch open luggage case on pilot set side; (2) luggage case is opened by Intelligent key remote control; (3) luggage case is opened by pressing boot switch.These methods generally need to use hand operation.But under car owner's both hands are held that the dirty or weather conditions of article, car body are severe etc. and caused being not suitable for manual situation, the method for above-mentioned unlatching luggage case brings great inconvenience to the use of car owner.
For the problems referred to above, opened by voice or the technology such as radar for backing car mostly in prior art, realize without the need to the automatic open operation of tactile luggage case that catches, but their applicable vehicle need contain electric trunk open function, this just needs car owner buy luxurious and even push up the vehicle be equipped with, and greatly reduces the scope that client selects car.
Summary of the invention
Based on this, being necessary for the problems referred to above, a kind of boot release method and luggage case auto-induction opening system are provided, the scope of application of vehicle can be expanded on the basis realizing the boot release function without the need to catching tactile.
A kind of boot release method, comprises step:
Electric field change signal is measured by the capacitance sensor be arranged in automobile rear bumper;
Described electric field change signal is converted to level signal;
Detect described level signal, judge whether described level signal is deliberate action signal;
If so, control luggage case unlocking mechanism according to described deliberate action signal and open luggage case.
For opening a luggage case auto-induction opening system for luggage case, comprising:
Electric field change signal measurement module, for measuring electric field change signal by the capacitance sensor be arranged in automobile rear bumper;
Electric field change signal conversion module, for being converted to level signal by described electric field change signal;
Level signal detection module, for detecting described level signal, judges whether described level signal is deliberate action signal;
Boot release module, for when described level signal is deliberate action signal, controls luggage case unlocking mechanism according to described deliberate action signal and opens luggage case.
Boot release method of the present invention and luggage case auto-induction opening system, based on capacitance induction principle, receive the electric field change signal that capacitance sensor is measured, electric field change signal is converted to level signal, then judge whether this level signal is the deliberate action signal that correct kick action etc. causes, if so, then control luggage case unlocking mechanism according to described deliberate action signal and automatically open luggage case.Present invention achieves the automatic unlatching of luggage case, facilitate the operation of user, make automobile function hommization and intellectuality more; Be not only applicable to the vehicle with electric trunk opening and closing function, be also applicable to the vehicle without electric trunk opening and closing function, the vehicles such as such as common air spring, be suitable for vehicle wider, reduce while raising user convenience and purchase car cost.
Accompanying drawing explanation
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 the correct kick action of the present invention first step;
Fig. 3 is the schematic diagram of the correct kick action second step of the present invention;
Fig. 4 is the schematic diagram of the correct kick action of the present invention the 3rd step;
Fig. 5 is the schematic diagram of deliberate action signal specific embodiment of the present invention;
Fig. 6 is the schematic diagram of sensor failure signals specific embodiment of the present invention;
Fig. 7 is the schematic diagram of controller failure signal specific embodiment of the present invention;
Fig. 8 is that the present invention is 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 one of the present invention;
Figure 10 is the structural representation of level signal detection module embodiment two of the present invention.
Detailed description of the invention
The technical problem that will solve for a better understanding of the present invention, the technical scheme taked and the technique effect reached, be described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of boot release method, comprises step:
S110, measure electric field change signal by being arranged on capacitance sensor in automobile rear bumper;
S120, described electric field change signal is converted to level signal;
S130, detect described level signal, judge whether described level signal is deliberate action signal;
S140, if so, control luggage case unlocking mechanism according to described deliberate action signal and open luggage case.
Capacitance sensor can be arranged in car Anywhere, but considers the sensitivity of the convenience that user uses and capacitance sensor induction, and capacitance sensor is preferably mounted at the inner side of rear bumper.The present invention can measure electric field change signal by two capacitance sensors, and these two capacitance sensors are arranged on the both sides up and down of rear bumper position respectively, can measure electric field change preferably.When car owner is in distance rear bumper preset range, such as 30cm (centimetre), when doing a skirt action back and forth, can excite the electric field change between capacitance sensor and ground connection electric field, capacitance sensor independently can be measured and analyze this dynamic electric field change.It should be noted that, the present invention does not make restriction to the quantity of capacitance sensor and position, but in order to prevent erroneous judgement, adopts two or more capacitance sensor to measure electric field change signal as far as possible.
Invention also defines the specification of correct kick action, concrete steps are as follows:
S1, as shown in Figure 2, pin is close on the downside of rear bumper, and two circles wherein in Fig. 2 below rear bumper represent the investigative range of upper and lower two capacitance sensors;
S2, pin moved on to general 20cm on the downside of distance rear bumper scope in stop, do not need to contact rear bumper.Particular location as shown in Figure 3, ensure that leg enters the search coverage in Fig. 3;
S3, as shown in Figure 4, regains pin, completes the action of a continuity.
Whole kick action needs to complete at the appointed time, and in whole process, pin must be introduced into and after leave search coverage and just calculated whole kick action.
After measuring electric field change signal, electric field change signal is converted to level signal, the mode that wherein electric field change signal is converted to level signal can realize according to mode existing in prior art.In one embodiment, detect described level signal, judge that whether described level signal is that the step of deliberate action signal can comprise:
If described level signal according to time sequencing meet in the first Preset Time successively be in low level signal, the second Preset Time in high level signal, the 3rd Preset Time for being permanent High level signal after low level signal and the 3rd Preset Time, then judge that described level signal is as deliberate action signal.First Preset Time and the 3rd Preset Time can be equal.
Described level signal can also comprise the normal working signal etc. of sensor failure signals, controller failure signal and luggage case auto-induction opening system.So in one embodiment, the step detecting described level signal can also comprise:
If described level signal is the first actuating signal of preset times, then judge that described level signal is as sensor failure signals, it is be high level signal in low level signal, the 5th Preset Time that wherein said first actuating signal meets in the 4th Preset Time successively according to time sequencing;
If described level signal is the second actuating signal of preset times, then judge that described level signal is as controller failure signal, it is be high level signal in low level signal, the 7th Preset Time that wherein said second actuating signal meets in the 6th Preset Time successively according to time sequencing, the time of described second actuating signal is equal with the time of described first actuating signal, 6th Preset Time is greater than the 4th Preset Time, and the 7th Preset Time is less than the 5th Preset Time;
If described level signal is lasting high level signal, then judge that described level signal is as normal working signal.
In order to better understand the feature of each level signal, provide the schematic diagram of the specific embodiment of deliberate action signal, sensor failure signals and controller failure signal below.It should be noted that, the schematic diagram of Fig. 5 to Fig. 7, only for understanding the present invention, does not make restriction to each level signal of the present invention; Low level and high level can also be replaced, it is lasting low level etc. that such as EasyOpenTrunk system worked well does not still have during kick action.
As shown in Figure 5, for carrying out deliberate action signal during correct kick action.First export the low level of 100ms (millisecond), then export 50ms high level, then export 100ms low level, then signal gets back to high level.The whole actuating signal time is 250ms.
As shown in Figure 6, be sensor failure signals.First export the low level of 125ms, then export 350ms high level, then signal gets back to high level.The whole actuating signal time is 500ms, and continue 10 times, dutycycle is 25%, and tolerance is ± 5%.
As shown in Figure 7, be controller failure signal.First export the low level of 200ms, then export 300ms high level, then signal gets back to high level.The whole actuating signal time is 500ms, and continue 10 times, dutycycle is 40%, and tolerance is ± 5%.
In one embodiment, the present invention can also comprise step:
Detect described level signal, judge whether described level signal is sensor failure signals or controller failure signal;
If so, described sensor failure signals or controller failure signal is stored;
Receive the request of data that Auto analyzer sends, send to Auto analyzer to carry out fault diagnosis the sensor failure signals of storage or controller failure signal according to described request of data.
When identifying level signal and being normal working signal, in order to save internal memory, do not carry out data storage, luggage case is not opened.When identifying level signal and being deliberate action signal, control luggage case unlocking mechanism according to described deliberate action signal and open luggage case.Boot release mechanism is used for opening luggage case, and vehicle is different, and boot release mechanism is different.Such as boot release mechanism is air 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, is described in detail below in conjunction with the detailed description of the invention of accompanying drawing to luggage case auto-induction opening system.
As shown in Figure 8, a kind of luggage case auto-induction opening system for opening luggage case, comprising:
Electric field change signal measurement module 110, for measuring electric field change signal by the capacitance sensor be arranged in automobile rear bumper;
Electric field change signal conversion module 120, for being converted to level signal by described electric field change signal;
Level signal detection module 130, for detecting described level signal, judges whether described level signal is deliberate action signal;
Boot release module 140, for when described level signal is deliberate action signal, controls luggage case unlocking mechanism according to described deliberate action signal and opens luggage case.
EasyOpenTrunk (luggage case auto-induction opening system) is an independently system, and it comprises capacitance sensor and controller etc., and each module of the present invention all can realize on the controller.Whole system is arranged on the inner side of rear bumper, such as, can be placed on the middle part of rear bumper, also can be placed on other place in car.Consider the sensitivity of the convenience that user uses and capacitance sensor induction, whole system is preferably mounted at the inner side of rear bumper, and namely described electric field change signal can be obtained by the capacitance sensor measurement be arranged in automobile rear bumper.This system is based on electric capacity (electric field) know-why.When car owner does a skirt action back and forth in distance rear bumper preset range, can excite the electric field change between capacitance sensor and ground connection electric field, capacitance sensor independently can be measured and analyze this dynamic electric field change.
In one embodiment, EasyOpenTrunk can comprise two capacitance sensors, and two capacitance sensors are arranged on the both sides up and down of rear bumper position respectively, can measure electric field change preferably.It should be noted that, the present invention does not make restriction to the quantity of capacitance sensor and position, but in order to prevent erroneous judgement, two or more capacitance sensor need be adopted to measure electric field change signal.
After electric field change signal measurement module 110 measures electric field change signal, electric field change signal is converted to level signal by electric field change signal conversion module 120, and the mode that wherein electric field change signal is converted to level signal can realize according to mode existing in prior art.In one embodiment, as shown in Figure 9, described level signal detection module 130 can comprise deliberate action signal determining unit 1301; Described deliberate action signal determining unit 1301 described level signal to meet in the first Preset Time successively according to time sequencing be in low level signal, the second Preset Time in high level signal, the 3rd Preset Time for low level signal and the 3rd Preset Time after be permanent High level signal time, judge that described level signal is as deliberate action signal.
Described level signal can also comprise the normal working signal etc. of sensor failure signals, controller failure signal and luggage case auto-induction opening system.So in one embodiment, as shown in Figure 10, described level signal detection module 130 can also comprise:
Sensor failure signals identifying unit 1302, for when described level signal is the first actuating signal of preset times, judge that described level signal is as sensor failure signals, it is be high level signal in low level signal, the 5th Preset Time that wherein said first actuating signal meets in the 4th Preset Time successively according to time sequencing;
Controller failure signal determining unit 1303, for when described level signal is the second actuating signal of preset times, judge that described level signal is as controller failure signal, it is be high level signal in low level signal, the 7th Preset Time that wherein said second actuating signal meets in the 6th Preset Time successively according to time sequencing, the time of described second actuating signal is equal with the time of described first actuating signal, 6th Preset Time is greater than the 4th Preset Time, and the 7th Preset Time is less than the 5th Preset Time;
Normal working signal identifying unit 1304, for when described level signal is lasting high level signal, judges that described level signal is as normal working signal.
In one embodiment, described level signal detection module 130 determine described level signal be sensor failure signals or controller failure signal time, store described sensor failure signals or controller failure signal, receive the request of data that Auto analyzer sends, send to Auto analyzer to carry out fault diagnosis the sensor failure signals of storage or controller failure signal according to described request of data.
When to identify level signal be normal working signal to level signal detection module 130, in order to save internal memory, do not carry out data storage, luggage case is not opened.When to identify level signal be deliberate action signal to level signal detection module 130, boot release module 140 controls luggage case unlocking mechanism according to described deliberate action signal and opens luggage case.
The present invention is identical with boot release method for other technical characteristic of luggage case auto-induction opening system opening luggage case, does not repeat them here.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this manual is recorded.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (8)
1. a boot release method, is characterized in that, comprises step:
Electric field change signal is measured by the capacitance sensor be arranged in automobile rear bumper;
Described electric field change signal is converted to level signal;
Detect described level signal, judge whether described level signal is deliberate action signal;
If so, control luggage case unlocking mechanism according to described deliberate action signal and open luggage case.
2. boot release method according to claim 1, is characterized in that, detects described level signal, judges that whether described level signal is that the step of deliberate action signal comprises:
If described level signal according to time sequencing meet in the first Preset Time successively be in low level signal, the second Preset Time in high level signal, the 3rd Preset Time for being permanent High level signal after low level signal and the 3rd Preset Time, then judge that described level signal is as deliberate action signal.
3. boot release method according to claim 1 and 2, is characterized in that, described level signal also comprises the normal working signal of sensor failure signals, controller failure signal and luggage case auto-induction opening system;
The step detecting described level signal also comprises:
If described level signal is the first actuating signal of preset times, then judge that described level signal is as sensor failure signals, it is be high level signal in low level signal, the 5th Preset Time that wherein said first actuating signal meets in the 4th Preset Time successively according to time sequencing;
If described level signal is the second actuating signal of preset times, then judge that described level signal is as controller failure signal, it is be high level signal in low level signal, the 7th Preset Time that wherein said second actuating signal meets in the 6th Preset Time successively according to time sequencing, the time of described second actuating signal is equal with the time of described first actuating signal, 6th Preset Time is greater than the 4th Preset Time, and the 7th Preset Time is less than the 5th Preset Time;
If described level signal is lasting high level signal, then judge that described level signal is as normal working signal.
4. boot release method according to claim 3, is characterized in that, also comprise step:
Detect described level signal, judge whether described level signal is sensor failure signals or controller failure signal;
If so, described sensor failure signals or controller failure signal is stored;
Receive the request of data that Auto analyzer sends, send to Auto analyzer to carry out fault diagnosis the sensor failure signals of storage or controller failure signal according to described request of data.
5., for opening a luggage case auto-induction opening system for luggage case, it is characterized in that, comprise:
Electric field change signal measurement module, for measuring electric field change signal by the capacitance sensor be arranged in automobile rear bumper;
Electric field change signal conversion module, for being converted to level signal by described electric field change signal;
Level signal detection module, for detecting described level signal, judges whether described level signal is deliberate action signal;
Boot release module, for when described level signal is deliberate action signal, controls luggage case unlocking mechanism according to described deliberate action signal and opens luggage case.
6. the luggage case auto-induction opening system for opening luggage case according to claim 5, it is characterized in that, described level signal detection module comprises deliberate action signal determining unit; Described deliberate action signal determining unit described level signal to meet in the first Preset Time successively according to time sequencing be in low level signal, the second Preset Time in high level signal, the 3rd Preset Time for low level signal and the 3rd Preset Time after be permanent High level signal time, judge that described level signal is as deliberate action signal.
7. the luggage case auto-induction opening system for opening luggage case according to claim 5 or 6, it is characterized in that, described level signal also comprises the normal working signal of sensor failure signals, controller failure signal and luggage case auto-induction opening system;
Described level signal detection module also comprises:
Sensor failure signals identifying unit, for when described level signal is the first actuating signal of preset times, judge that described level signal is as sensor failure signals, it is be high level signal in low level signal, the 5th Preset Time that wherein said first actuating signal meets in the 4th Preset Time successively according to time sequencing;
Controller failure signal determining unit, for when described level signal is the second actuating signal of preset times, judge that described level signal is as controller failure signal, it is be high level signal in low level signal, the 7th Preset Time that wherein said second actuating signal meets in the 6th Preset Time successively according to time sequencing, the time of described second actuating signal is equal with the time of described first actuating signal, 6th Preset Time is greater than the 4th Preset Time, and the 7th Preset Time is less than the 5th Preset Time;
Normal working signal identifying unit, for when described level signal is lasting high level signal, judges that described level signal is as normal working signal.
8. the luggage case auto-induction opening system for opening luggage case according to claim 7, it is characterized in that, described level signal detection module determine described level signal be sensor failure signals or controller failure signal time, store described sensor failure signals or controller failure signal, receive the request of data that Auto analyzer sends, send to Auto analyzer to carry out fault diagnosis the sensor failure signals of storage or controller failure signal according to described request of data.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510423430.9A CN105133994B (en) | 2015-07-16 | 2015-07-16 | Trunk opening method and automatic induction opening system for trunk |
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| CN201510423430.9A CN105133994B (en) | 2015-07-16 | 2015-07-16 | Trunk opening method and automatic induction opening system for trunk |
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| CN105133994B CN105133994B (en) | 2017-03-22 |
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| 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 |
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| 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 |
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| CN105133994B (en) | 2017-03-22 |
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