CN205407780U - On -vehicle system of induction system and car - Google Patents
On -vehicle system of induction system and car Download PDFInfo
- Publication number
- CN205407780U CN205407780U CN201620160377.8U CN201620160377U CN205407780U CN 205407780 U CN205407780 U CN 205407780U CN 201620160377 U CN201620160377 U CN 201620160377U CN 205407780 U CN205407780 U CN 205407780U
- Authority
- CN
- China
- Prior art keywords
- sensing device
- button
- microcontroller
- metalwork
- induction installation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Geophysics And Detection Of Objects (AREA)
Abstract
The utility model provides an on -vehicle system of induction system and car, wherein, induction system includes microcontroller, sensing device and is used for triggering sensing device's metalwork, microcontroller are connected with the total controller and the sensing device of car on -vehicle system respectively, and the metalwork is connected with the button of the on -vehicle system of car, when pressing the button, and the metalwork orientation thereby sensing device removes and triggers the sensing device comprises a main controller. Induction system sensitivity and accuracy through the aforesaid design obtains are all higher, have effectively improved the easy problem that wrong response appears of current capacitanc button.
Description
Technical field
This utility model relates to automobile mounted apparatus field, in particular to a kind of induction installation and automobile mounted system.
Background technology
In existing automobile mounted system, sensing button is mostly capacitive proximity button, and the measurement end of capacitive proximity button is the pole plate constituting capacitor, and another pole plate is the shell of button.When there being object to shift to capacitive proximity button, no matter whether this object conducts electricity, and capacitance can be made to change, so that switch internal circuit parameter changes, thus identifies with or without object proximity, and then the triggering of control knob or disconnection.Owing to its induction range is wide, cause that its sensing exists error, it is easy to the instruction of mistake sensing and mistake occur, Consumer's Experience is poor.
Utility model content
The purpose of this utility model is in that to provide a kind of induction installation and automobile mounted system, to improve the problem that mistake sensing easily occurs in capacitive buttons in existing automobile mounted system.
This utility model is achieved in that
A kind of induction installation, is applied to automobile mounted system, including microcontroller, sensing device and for triggering the metalwork of described sensing device,
Described microcontroller is connected with the master controller of described automobile mounted system, described sensing device respectively,
Described metalwork is connected with the button of described automobile mounted system, and when described button is pressed, described metalwork moves towards described sensing device thus triggering described sensing device.
This induction installation is connected with master controller and the button of automobile mounted system, when driver and crew's button press, the metalwork being connected with button is subjected to displacement towards sensing device, the inner parameter making sensing device changes, after microcontroller receives the signal that parameter changes, output controls signal to master controller accordingly so that master controller performs preset function according to described control signal.The sensitivity of this induction installation and degree of accuracy are all higher, effectively improve the problem that mistake sensing easily occurs in existing capacitive buttons.
Further, described sensing device includes the inductance induction end for sensing described metalwork, for detecting the testing circuit of signal and the output circuit of the output of described inductance induction end,
Described testing circuit is connected with described inductance induction end, described output circuit respectively, and described output circuit is connected with described microcontroller.
This sensing device can detect accordingly when unactual with metalwork contact, avoiding the damage to sensor self and metalwork, simultaneously contactless output, operation lifetime is long, even if having water and oil splash severe rugged environment in also can stable detection, be quick on the draw.
Further, described inductance induction end includes the concentric electrode for producing alternating electric field in the detection faces of described sensing device.
Alternating electric field is formed in the detection faces of sensing device by inductance induction end, when metalwork enters in the distance of reaction of inductance induction end, metalwork produces eddy current and weakens the energy of electric field, the inductance value of inductance induction end will change therewith, this sensing end is quick on the draw, it is possible to effectively promote Consumer's Experience.
Further, described output circuit includes power amplifier, and described power amplifier is connected with described testing circuit.
The detection signal that testing circuit exports is exported to microcontroller after power amplifier amplifying power, can effectively promote the degree of accuracy of whole device.
Further, described device also includes power module,
Described power module is connected with described sensing device, described microcontroller respectively.
Powered by power module so that whole device can be maintained at duty constantly, promote Consumer's Experience.
Further, described device also includes the feedback module for indicating described button whether to be pressed,
Described feedback module is connected with described microcontroller.
Whether operation is successful to make user know in time by feedback module.
Further, described feedback module includes control circuit and light-guiding pillar,
The input of described control circuit is connected with described microcontroller, and the outfan of described control circuit is connected with described light-guiding pillar,
Described light-guiding pillar is arranged on described button.
After microcontroller judges that button is pressed, sending a control signal to described control circuit so that control circuit controls light-guiding pillar and lights, whether such user just can light according to light-guiding pillar in operation judges that whether operation is successful.
Further, described feedback module also includes drive circuit and sound components,
The input of described drive circuit is connected with described microcontroller, and the outfan of described drive circuit is connected with described sound components.
Whether operation is successful to make user know in time by sound feedback.
A kind of automobile mounted system, including master controller, button and induction installation,
Described induction installation includes microcontroller, sensing device and for triggering the metalwork of described sensing device,
Described microcontroller is connected with described master controller, described sensing device respectively,
Described metalwork is connected with described button, and when described button is pressed, described metalwork moves towards described sensing device thus triggering described sensing device.
This automobile mounted system, by arranging described induction installation so that in system, the sensitivity of button and degree of accuracy improve, and effectively promote the experience of driver and crew.
The induction installation of this utility model offer and automobile mounted system, induction installation is connected with master controller and the button of automobile mounted system, when driver and crew's button press, the metalwork being connected with button is subjected to displacement towards sensing device, the inner parameter making sensing device changes, after microcontroller receives the signal that parameter changes, output controls signal to master controller accordingly so that master controller performs preset function according to described control signal.The sensitivity of this induction installation and degree of accuracy are all higher, effectively improve the problem that mistake sensing easily occurs in existing capacitive buttons.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, the accompanying drawing used required in embodiment will be briefly described below, it is to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore the restriction to scope it is not construed as, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other relevant accompanying drawings according to these accompanying drawings.
The attachment structure block diagram of button and induction installation in a kind of automobile mounted system that Fig. 1 provides for this utility model embodiment；
A kind of induction installation schematic block diagram that Fig. 2 provides for this utility model embodiment；
The another kind of induction installation schematic block diagram that Fig. 3 provides for this utility model embodiment；
The another kind of induction installation schematic block diagram that Fig. 4 provides for this utility model embodiment；
The another kind of induction installation schematic block diagram that Fig. 5 provides for this utility model embodiment；
The another kind of induction installation schematic block diagram that Fig. 6 provides for this utility model embodiment；
The another kind of induction installation schematic block diagram that Fig. 7 provides for this utility model embodiment.
Accompanying drawing labelling:
Automobile mounted system 100；Microcontroller 200；Sensing device 300；Inductance induction end 301；Testing circuit 302；Output circuit 303；Concentric electrode 3011；Power amplifier 3031；Analog-digital converter 3032；Metalwork 400；Master controller 500；Button 600；Power module 700；Feedback module 800；Control circuit 801；Light-guiding pillar 802；Drive circuit 803；Sound components 804.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of this utility model, rather than whole embodiments.Generally can with various different configurations arrange and design with the assembly of this utility model embodiment that illustrate described in accompanying drawing herein.
Therefore, below the detailed description of the embodiment of the present utility model provided in the accompanying drawings is not intended to limit claimed scope of the present utility model, but is merely representative of selected embodiment of the present utility model.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
It should also be noted that similar label and letter below figure represent similar terms, therefore, once a certain Xiang Yi accompanying drawing is defined, then it need not be carried out definition further and explain in accompanying drawing subsequently.
In description of the present utility model, it should be noted that, term " " center ", " on ", D score, " left side ", " right side ", " vertically ", " level ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, or this utility model product orientation usually put or position relationship when using, it is for only for ease of description this utility model and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and it is not intended that indicate or hint relative importance.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ", " installation ", " being connected ", " connection " should be interpreted broadly, for instance, it is possible to it is fixing connection, can also be removably connect, or connect integratedly；Can be mechanically connected, it is also possible to be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be the connection of two element internals.For the ordinary skill in the art, it is possible to concrete condition understands above-mentioned term concrete meaning in this utility model.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can include the first and second features and directly contact, it is also possible to include the first and second features and be not directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " include fisrt feature directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of fisrt feature level height less than second feature.
As shown in Figure 1, the induction installation that the present embodiment provides, it is applied in automobile mounted system 100, including microcontroller 200, sensing device 300 and metalwork 400, wherein microcontroller 200 is connected with the master controller 500 of automobile mounted system 100 and sensing device 300 respectively, metalwork 400 is connected with the button 600 of automobile mounted system 100, and during button press 600, metalwork 400 moves towards sensing device 300 thus triggers sense device 300.
nullIts specific works principle is，During automobile driver and crew's button press 600，The metalwork 400 being connected with button 600 is close to sensing device 300，After entering the distance of reaction of sensing device 300，Producing eddy current in metalwork 400 makes the inner parameter of sensing device 300 change，After the microcontroller 200 being now connected with sensing device 300 receives the signal of telecommunication of its output，Whether the parameter decision button 600 according to the described signal of telecommunication is pressed，Its decision principle is，Microcontroller 200 is preset with trigger value，I.e. first threshold，Electric signal parameter when sensing device 300 output，Such as amplitude，During more than first threshold，Microcontroller 200 then judges that button 600 is pressed，And send a control signal to the master controller 500 of automobile mounted system 100，Master controller 500 is made to perform preset function according to described control signal；If the electric signal parameter of sensing device 300 output is less than or equal to first threshold, microcontroller 200 then judges that button 600 is not pressed, and does not send a control signal to master controller 500.
After button 600 is pressed, user is by release button 600 gradually, metalwork 400 then dorsad sensing device 300 move, thus the inner parameter of sensing device 300 changes again, microcontroller 200 is after receiving the signal of telecommunication that now sensing device 300 sends, parameter according to this signal of telecommunication judges user's whether release button 600, if the parameter of the signal of telecommunication is less than default cut off value, i.e. Second Threshold, then microcontroller 200 judges that button 600 is released, if the parameter of the signal of telecommunication is equal to or more than Second Threshold and less than first threshold, then microcontroller 200 judges that button 600 is not released, wherein Second Threshold is less than first threshold.
Need exist for illustrating, Second Threshold is set smaller than first threshold, its object is to avoid the situation of button 600 trigger jitter to occur.
Wherein, metalwork 400 can be the metallic film being connected with button 600, and after button press 600, metallic film will produce slight deformation, triggers sense device 300.
Preferably, microcontroller 200 can also according to its preset trigger of slowly varying change of environment, i.e. first threshold, such as set the first threshold set when first threshold is less than start during vehicle stationary, again during such as start, the first threshold that the first threshold set when advancing on flat highways sets when being less than traveling on rugged road.
As shown in Figure 2, for sensing device 300, preferably, including inductance induction end 301, testing circuit 302 and output circuit 303, wherein, testing circuit 302 is connected with inductance induction end 301, for detecting the inductance value of inductance induction end 301 output, output circuit 303 is connected with testing circuit 302, for exporting the detection signal of testing circuit 302 to microcontroller 200.This sensing device 300 can detect accordingly when not contacting with metalwork 400 reality, avoid the damage to sensor self and metalwork 400, contactless output simultaneously, operation lifetime is long, even if also can stable detection in the severe rugged environment having water and oil splash, it is quick on the draw, can install flexibly.
As shown in Figure 3, wherein, inductance induction end 301 includes concentric electrode 3011, concentric electrode 3011 can be etched on pcb board, alternating electric field is formed for the detection faces at sensing device 300, after metalwork 400 moves towards sensing device 300 and enters distance of reaction, metalwork 400 produces inductive loop and weakens the energy of electric field, the inductance value of the inductance induction end made changes, testing circuit 302 exports corresponding signal after this change being detected, and sent to microcontroller 200 by output circuit 303, according to this detection signal, microcontroller 200 judges whether button 600 is pressed.The sensing head being provided with concentric electrode 3011 is more small-sized, can install flexibly, and highly sensitive, can effectively promote Consumer's Experience.
It should be noted that, the included structure of inductance induction end 301 is not limited to concentric electrode 3011, can also is that interdigital electrode or other any electric level structures that can produce alternating electric field, those skilled in the art can carry out decision design according to practical application.
Preferably, output circuit 303 includes power amplifier 3031 and analog-digital converter 3032, the signal input part of power amplifier 3031 is connected with the signal output part of testing circuit 302, the detection signal power of testing circuit 302 output is less, if being directly output to microcontroller 200, microcontroller 200 is then easily made to produce erroneous judgement, after power amplifier 3031 is by power amplification, exported again to microcontroller 200 by analog-digital converter 3032, can effectively reduce False Rate, promote the degree of accuracy of whole device.
As shown in Figure 4, in the present embodiment, induction installation also includes power module 700, power module 700 is connected with sensing device 300 and microcontroller 200 respectively, for powering for both so that whole device is in running order all the time, to guarantee to provide the user good experience.
As shown in Figure 5, preferably, in order to make user know in time after button press 600, whether operation is successful, described induction installation is additionally provided with the feedback module 800 whether pressed for instruction button 600, this feedback module 800 is connected with microcontroller 200, after microcontroller 200 judges that button 600 is pressed, send a control signal to feedback module 800 so that it is carry out pressing feedback.
As shown in Figure 6, concrete structure for feedback module 800 has multiple implementation, alternatively, feedback module 800 includes control circuit 801 and light-guiding pillar 802, the signal output part of control circuit 801 is connected with the signal output part of microcontroller 200, the signal output part of control circuit 801 is connected with light-guiding pillar 802, after microcontroller 200 judges that button 600 is pressed, output control signals to control circuit 801, make control circuit 801 control light-guiding pillar 802 according to described control signal to light, to point out user operation successful.
It is understandable that, the glow color of light-guiding pillar 802 and position is set has multiple choices, for example, a kind of glow color instruction button 600 can be used to be normality for same button 600, another kind of glow color instruction button 600 is pressed, for instance, when red expression button 600 is normality, namely not pressed or disconnect, green expression is pressed；Or, different buttons 600 arrange the light-guiding pillar 802 of different glow color, not luminous when button 600 is not pressed, and after button 600 is pressed, the light-guiding pillar 802 corresponding with this button 600 is luminous；Or all button 600 shares a light-guiding pillar 802；For light-guiding pillar 802 arrange position can on the side of button 600 or on button 600, specifically, can according to actual design need to carry out corresponding preferably.
Or, as shown in Figure 7, feedback module 800 includes drive circuit 803 and sound components 804, the signal input part of drive circuit 803 is connected with the signal output part of microcontroller 200, the signal output part of drive circuit 803 is connected with sound components 804, after microcontroller 200 judges that button 600 is pressed, sends and controls signal to drive circuit 803 accordingly, drive circuit 803 is made to drive sound components 804 to send sound feedback according to described control signal so that user knows that operation is successful in time.
Preferably, sound components 804 is piezo, adopts piezo to be advantageous in that its energy consumption is low, highly sensitive.
Based on above-mentioned induction installation, the present embodiment also provides for a kind of automobile mounted system 100, include master controller 500, button 600 and described induction installation, wherein, induction installation includes microcontroller 200, sensing device 300 and for triggering the metalwork 400 of described sensing device 300, microcontroller 200 is connected with master controller 500 and sensing device 300 respectively, metalwork 400 is connected with button 600, when pressing described button 600, metalwork 400 moves towards sensing device 300 thus triggers sense device 300.
This automobile mounted system 100, by arranging described induction installation so that in system, the sensitivity of button 600 and degree of accuracy improve, and effectively promote the experience of driver and crew.
In sum, induction installation that this utility model provides and apply the automobile mounted system 100 of described device, by the described device master controller 500 with automobile mounted system 100 and button 600 are connected, when driver and crew's button press 600, the metalwork 400 being connected with button 600 is subjected to displacement towards sensing device 300, the inner parameter making sensing device 300 changes, after microcontroller 200 receives the signal that parameter changes, output controls signal to master controller 500 accordingly, master controller 500 is made to perform preset function according to described control signal.The sensitivity of this induction installation and degree of accuracy are all higher, effectively improve the problem that mistake sensing easily occurs in capacitive buttons in existing automobile mounted system 100.
In order to become apparent from that this utility model is described, the present embodiment enumerates some detailed description of the invention, as follows:
Embodiment 1
A kind of induction installation, it is applied to automobile mounted system 100, including microcontroller 200, sensing device 300 and for triggering the metalwork 400 of described sensing device 300, described microcontroller 200 is connected with the master controller 500 of described automobile mounted system 100, described sensing device 300 respectively, described metalwork 400 is connected with the button 600 of described automobile mounted system 100, when pressing described button 600, described metalwork 400 moves towards described sensing device 300 thus triggering described sensing device 300.
Described sensing device 300 includes inductance induction end 301, for detecting the testing circuit 302 of signal and the output circuit 303 of the output of described inductance induction end 301, described testing circuit 302 is connected with described inductance induction end 301, described output circuit 303 respectively, and described output circuit 303 is connected with described microcontroller 200.
Described inductance induction end 301 includes the concentric electrode 3011 for producing alternating electric field in the detection faces of described sensing device 300.
Described output circuit 303 includes power amplifier 3031, and described power amplifier 3031 is connected with described testing circuit 302.
Embodiment 2
A kind of induction installation, it is applied to automobile mounted system 100, including microcontroller 200, sensing device 300 and for triggering the metalwork 400 of described sensing device 300, described microcontroller 200 is connected with the master controller 500 of described automobile mounted system 100, described sensing device 300 respectively, described metalwork 400 is connected with the button 600 of described automobile mounted system 100, when pressing described button 600, described metalwork 400 moves towards described sensing device 300 thus triggering described sensing device 300.
Described device also includes power module 700, and described power module 700 is connected with described sensing device 300, described microcontroller 200 respectively.
Described device also includes for the feedback module 800 indicating described button 600 whether to be pressed, and described feedback module 800 is connected with described microcontroller 200.
Described feedback module 800 includes control circuit 801 and light-guiding pillar 802, the input of described control circuit 801 is connected with described microcontroller 200, the outfan of described control circuit 801 is connected with described light-guiding pillar 802, and described light-guiding pillar 802 is arranged on described button 600.
Embodiment 3
A kind of induction installation, it is applied to automobile mounted system 100, including microcontroller 200, sensing device 300 and for triggering the metalwork 400 of described sensing device 300, described microcontroller 200 is connected with the master controller 500 of described automobile mounted system 100, described sensing device 300 respectively, described metalwork 400 is connected with the button 600 of described automobile mounted system 100, when pressing described button 600, described metalwork 400 moves towards described sensing device 300 thus triggering described sensing device 300.
Described device also includes for the feedback module 800 indicating described button 600 whether to be pressed, and described feedback module 800 is connected with described microcontroller 200.
Described feedback module 800 also includes drive circuit 803 and sound components 804, and the input of described drive circuit 803 is connected with described microcontroller 200, and the outfan of described drive circuit 803 is connected with described sound components 804.Described sound components 804 is piezo.
A kind of automobile mounted system 100, including master controller 500, button 600 and described induction installation, described induction installation includes microcontroller 200, sensing device 300 and for triggering the metalwork 400 of described sensing device 300, described microcontroller 200 is connected with described master controller 500, described sensing device 300 respectively, described metalwork 400 is connected with described button 600, when pressing described button 600, described metalwork 400 moves towards described sensing device 300 thus triggering described sensing device 300.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (10)
1. an induction installation, it is characterised in that be applied to automobile mounted system, including microcontroller, sensing device and for triggering the metalwork of described sensing device,
Described microcontroller is connected with the master controller of described automobile mounted system, described sensing device respectively,
Described metalwork is connected with the button of described automobile mounted system, and when described button is pressed, described metalwork moves towards described sensing device thus triggering described sensing device.
2. induction installation according to claim 1, it is characterised in that described sensing device includes the inductance induction end for sensing described metalwork, for detecting the testing circuit of signal and the output circuit of the output of described inductance induction end,
Described testing circuit is connected with described inductance induction end, described output circuit respectively, and described output circuit is connected with described microcontroller.
3. induction installation according to claim 2, it is characterised in that described inductance induction end includes the concentric electrode for producing alternating electric field in the detection faces of described sensing device.
4. induction installation according to claim 2, it is characterised in that described output circuit includes power amplifier, and described power amplifier is connected with described testing circuit.
5. induction installation according to claim 1, it is characterised in that described device also includes power module,
Described power module is connected with described sensing device, described microcontroller respectively.
6. induction installation according to claim 1, it is characterised in that described induction installation also includes the feedback module for indicating described button whether to be pressed,
Described feedback module is connected with described microcontroller.
7. induction installation according to claim 6, it is characterised in that described feedback module includes control circuit and light-guiding pillar,
The input of described control circuit is connected with described microcontroller, and the outfan of described control circuit is connected with described light-guiding pillar,
Described light-guiding pillar is arranged on described button.
8. induction installation according to claim 6, it is characterised in that described feedback module also includes drive circuit and sound components,
The input of described drive circuit is connected with described microcontroller, and the outfan of described drive circuit is connected with described sound components.
9. induction installation according to claim 8, it is characterised in that described sound components is piezo.
10. an automobile mounted system, it is characterised in that include master controller, button and induction installation as claimed in any one of claims 1 to 9 wherein,
Described induction installation includes microcontroller, sensing device and for triggering the metalwork of described sensing device,
Described microcontroller is connected with described master controller, described sensing device respectively,
Described metalwork is connected with described button, and when described button is pressed, described metalwork moves towards described sensing device thus triggering described sensing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620160377.8U CN205407780U (en) | 2016-03-02 | 2016-03-02 | On -vehicle system of induction system and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620160377.8U CN205407780U (en) | 2016-03-02 | 2016-03-02 | On -vehicle system of induction system and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205407780U true CN205407780U (en) | 2016-07-27 |
Family
ID=56948838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620160377.8U Active CN205407780U (en) | 2016-03-02 | 2016-03-02 | On -vehicle system of induction system and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205407780U (en) |
-
2016
- 2016-03-02 CN CN201620160377.8U patent/CN205407780U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103378837B (en) | With difference contact surface close to switch | |
| CN102273075B (en) | Capacitative sensor system | |
| WO2005073834A3 (en) | Touch screens | |
| CN103258171A (en) | Method and device for avoiding error touch of mobile terminal touch screen and mobile terminal | |
| CN110192092B (en) | Liquid sensor and method for controlling the function of a liquid sensor | |
| CN2924549Y (en) | Lighting cable power-off stealing detection device | |
| CN107741521B (en) | Three-phase system non-contact high-voltage electrification judging and indicating device and method thereof | |
| CN109029954A (en) | A kind of loosened screw warning device and system | |
| CN103777818A (en) | Proximity sensing method and device | |
| KR100718540B1 (en) | An apparatus for lighting brake lamp using non-contact switch | |
| CN205407780U (en) | On -vehicle system of induction system and car | |
| CN105449469A (en) | Electric connector and vehicle | |
| JP2016506508A (en) | Problem detection in cable systems | |
| CN201312300Y (en) | Touch sensitive type car switch | |
| KR100976585B1 (en) | Hot-Line Warning Device | |
| CN102168668A (en) | Circuit system for intelligent water pump | |
| FR2833292B1 (en) | SYSTEM FOR DETECTING THE PRESENCE OF A USER, PARTICULARLY FOR A MOTOR VEHICLE | |
| CN203727108U (en) | Passive tire pressure monitoring device based on STC12C5A single-chip microcomputer | |
| KR101907458B1 (en) | Apparatus and method for driving ultrasonic sensor | |
| CN214473649U (en) | Detection circuit and electronic equipment | |
| CN107102777A (en) | The operating method of mechanical key component, electronic equipment and mechanical key component | |
| TWM439591U (en) | Detection and control device for vehicle start | |
| SE9900762L (en) | An interrupt and short-circuit detection circuit | |
| CN104386022A (en) | Detecting and warning system for preventing number plate from getting lost | |
| CN106561003B (en) | Keyboard key scanning method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 523160 Hongmei town second industrial area, Dongguan, Guangdong Patentee after: De Fengdian Polytron Technologies Inc Address before: 523160 Hongmei town second industrial area, Dongguan, Guangdong Patentee before: Dongguan Chen Da Appliance Co., Ltd. |