CN109150151A - Inductive switch - Google Patents
Inductive switch Download PDFInfo
- Publication number
- CN109150151A CN109150151A CN201710506517.1A CN201710506517A CN109150151A CN 109150151 A CN109150151 A CN 109150151A CN 201710506517 A CN201710506517 A CN 201710506517A CN 109150151 A CN109150151 A CN 109150151A
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- CN
- China
- Prior art keywords
- visible light
- signal
- module
- inductive switch
- visible
- 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.)
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Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/941—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated using an optical detector
- H03K17/943—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated using an optical detector using a plurality of optical emitters or detectors, e.g. keyboard
Abstract
The embodiment of the present invention provides a kind of inductive switch, belongs to switch control field.The inductive switch includes: switch module；VISIBLE LIGHT EMISSION array, the VISIBLE LIGHT EMISSION array include multiple VISIBLE LIGHT EMISSION modules, and the VISIBLE LIGHT EMISSION module is for issuing visible light signal；Visible light receiving array, the visible light receiving array include multiple visible optical receiver modules, and the visible optical receiver module controls signal for receiving the visible light signal, and according to the received visible light signal output of institute；And processor, handover operation is executed for controlling the switch module according to the control signal.The inductive switch can accurately carry out handover operation, and high sensitivity, convenient to use.
Description
Technical field
The present invention relates to switch control fields, more particularly to inductive switch.
Background technique
Existing inductive switch mainly has infrared induction switch, audio-switch etc..The principle of infrared induction switch is as follows, opens
It closes equipment and actively emits infrared ray, infrared ray is encountered after external object stops and reflected, the infrared remote receiver on switchgear
Reflected infrared ray is detected, after being converted to electric signal, the opening and closing of control switch.As infrared in induction tap
Inductive switch, the infrared induction switch etc. of flushing toiler.Audio-switch is then the sound extraneous by induction, and control switch is beaten
It is open and close, it is commonly used in the signal light control of building.
The shortcomings that infrared induction switch and audio-switch is that sensitivity is low, is easy false triggering.Infrared induction switch often needs
It constantly to be reversed within the scope of infrared induction with hand, infrared induction switch could be triggered.Such as when washing one's hands, not due to user
Know the position where infrared induction, therefore, people will be manually placed under infrared induction tap, so general that all around to shake ability of starting
Energy trigger switch, opens tap, when using the hand dryer of infrared induction, also all around to shake to start to trigger and open
It closes, opens hand dryer.In addition, infrared inductor in the prior art is difficult to accurately trigger.For example, since infrared inductor is to it
Infrared signal in induction range can all respond, so can not judge whether that relevant device has been used, thus will lead to
When nobody is using relevant device, which can also be triggered, and result in waste of resources.Audio-switch sometimes needs biggish sound
It could open, thus not be suitable for the occasion to need peace and quiet.
The existing infrared induction switch of the above can make troubles to user.
Summary of the invention
The purpose of the embodiment of the present invention is that providing a kind of inductive switch, which can accurately carry out switching behaviour
Make, and high sensitivity, convenient to use.
To achieve the goals above, the embodiment of the present invention provides a kind of inductive switch, which includes: switching molding
Block；VISIBLE LIGHT EMISSION array, the VISIBLE LIGHT EMISSION array include multiple VISIBLE LIGHT EMISSION modules, and the VISIBLE LIGHT EMISSION module is used
In sending visible light signal；Visible light receiving array, the visible light receiving array include multiple visible optical receiver modules, it is described can
Light-exposed receiving module controls signal for receiving the visible light signal, and according to the received visible light signal output of institute；
And processor, handover operation is executed for controlling the switch module according to the control signal.
Wherein, the processor can be according to each visible optical receiver module output control in the visible light receiving array
The sequencing of signal processed controls the switch module.
Wherein, the processor can receive at least two in the visible light receiving array visible light-receiving moulds
In the case where the control signal of block output, controls the switch module and execute switching.
Wherein, each of the multiple VISIBLE LIGHT EMISSION module VISIBLE LIGHT EMISSION module can respectively with it is the multiple
It can be seen that the visible optical receiver module of each of optical receiver module is oppositely disposed.
Wherein, the distance between every a pair is oppositely disposed VISIBLE LIGHT EMISSION module and visible optical receiver module are preferably
1-5cm。
Wherein, the VISIBLE LIGHT EMISSION array and the visible light receiving array can be in upper and lower arrangement modes, left and right row
Mode for cloth, diagonal arrangement mode or surrounding arrangement mode.
Wherein, the VISIBLE LIGHT EMISSION module may include: visible light source, for issuing the visible light signal；With
And drive module, for driving the visible light source to issue the visible light signal according to driving signal.
Wherein, the driving signal may include any one in following: high level signal, low level signal, height
The square-wave signal of level mixed signal, preset frequency.
Wherein, the visible light receiving array can convert electric signal for the received visible light signal of institute, and in the electricity
In the case that signal and the driving signal match, output control signal.
Wherein, the visible optical receiver module may include: photoelectric detector, for being by the visible light transformation received
Electric signal；And processing circuit, for handling the electric signal.
Wherein, the switch module may include electromagnetic switch.
Through the above technical solutions, the present invention can be realized accurate, sensitive switching operation, and does not generate and make an uproar
Sound is not only easy to use, but also is avoided that the wasting of resources because of caused by false triggering, in addition, inductive switch energy of the invention
It is enough that handover operation is controlled according to gesture, thus can use the same inductive switch and realize a variety of handover operations, extend sense
The application range of inductive switch, and enhance user experience.
The other feature and advantage of the embodiment of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is to further understand for providing to the embodiment of the present invention, and constitute part of specification, under
The specific embodiment in face is used to explain the present invention embodiment together, but does not constitute the limitation to the embodiment of the present invention.Attached
In figure:
Fig. 1 is the structural block diagram of inductive switch according to an embodiment of the invention；
Fig. 2 is the structure chart of inductive switch according to another embodiment of the present invention；
Fig. 3 is that the structure of VISIBLE LIGHT EMISSION module and signal close in signal inductive switch according to another embodiment of the present invention
The figure of system；
Fig. 4 is the structure chart of visible optical receiver module in inductive switch according to another embodiment of the present invention；
Fig. 5 is in inductive switch according to other embodiments of the present invention, it is seen that light emitting array and visible light receiving array
Preferred arrangement mode schematic diagram；And
Fig. 6 is the structural schematic diagram of inductive switch according to an embodiment of the invention.
Description of symbols
110,210,510: VISIBLE LIGHT EMISSION array
211,511: VISIBLE LIGHT EMISSION module
120,220,520: visible light receiving array
221,521: VISIBLE LIGHT EMISSION module
130,230: processor 140,240: switch module
310: visible light source 320: drive module
410: photoelectric detector 420: processing module
421: amplifying circuit 422: filter circuit
423: comparison circuit
1,2,3: component
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the embodiment of the present invention.It should be understood that this
Locate described specific embodiment and be merely to illustrate and explain the present invention embodiment, is not intended to restrict the invention embodiment.
Fig. 1 is the structural block diagram of inductive switch according to an embodiment of the invention.As shown in Figure 1, the inductive switch includes:
Switch module 140；VISIBLE LIGHT EMISSION array 110, which includes multiple VISIBLE LIGHT EMISSION modules, described
VISIBLE LIGHT EMISSION module 110 is for issuing visible light signal；Visible light receiving array 120, the visible light receiving array include more
A visible optical receiver module, the visible optical receiver module are used to receive the visible light signal, and received described according to institute
Visible light signal output control signal；And processor 130, for controlling the switch module 140 according to the control signal
Execute handover operation.
The switch module can preferably include electromagnetic switch, such as relay, and processor can be according to visible light-receiving
The control signal of array output controls the on-off of electromagnetic switch, thereby executing handover operation.
Fig. 2 is the structure chart of inductive switch according to another embodiment of the present invention.As shown in Fig. 2, multiple VISIBLE LIGHT EMISSIONs
Each of module VISIBLE LIGHT EMISSION module 211 can be visible with each of the multiple visible optical receiver module respectively
Optical receiver module 221 is oppositely disposed.Dotted arrow in Fig. 2 indicates each visible light from VISIBLE LIGHT EMISSION array 210
The visible light signal that transmitting module 211 issues is transmitted to each visible optical receiver module 221 of visible light receiving array 220.
Through this embodiment, it is placed between VISIBLE LIGHT EMISSION module and visible optical receiver module when manpower or other articles
When, it is seen that optical receiver module can not receive the visible light signal issued from VISIBLE LIGHT EMISSION module, at this point it is possible to control switch
Module executes handover operation.
In addition, the distance between VISIBLE LIGHT EMISSION module that every a pair is oppositely disposed and visible optical receiver module are preferably
1-5cm.When the distance is too big, the volume of inductive switch entirety not only will increase, but also the bigger distance the easier by environment
The interference of factor.
Fig. 3 is that the structure of VISIBLE LIGHT EMISSION module and signal close in signal inductive switch according to another embodiment of the present invention
The figure of system.As shown in figure 3, the VISIBLE LIGHT EMISSION module may include: visible light source 310, for issuing the visible light
Signal；And drive module 320, for driving the visible light source 310 to issue the visible light letter according to driving signal
Number.
Visible light source 310 can be any light source for issuing visible light such as LED light, incandescent lamp, energy-saving lamp, fluorescent lamp.
Inductive switch is realized using visible light signal, can enable the user to the sensed position for being visually observed that inductive switch, with
And whether optical signal the states such as is successfully blocked, therefore user can be accurately by hand or other objects when using inductive switch
Product are placed on the position for capableing of blocking visible light signal, without finding sensed position by shaking, thus it is convenient to use, and
And it is not easy false triggering.
As shown in figure 3, the driving signal for driving visible light source 310 to issue visible light signal can be high level letter
Number, low level signal, low and high level mixed signal, the square-wave signal of preset frequency etc..Above-mentioned driving signal can be by processor
Issue, or can also be generated by drive module itself in drive module allocating digital signal generative circuit, driving signal via
Visible light source 310 can be driven to issue corresponding visible light signal after 320 enhanced processing of drive module.
With reference to Fig. 3 (a), when driving signal is high level signal or low level signal, it is seen that radiant is capable of emitting always
The visible light signal to remain unchanged.With reference to Fig. 3 (b), when driving signal is low and high level mixed signal or square-wave signal, it is seen that
Radiant accordingly issues bright dark alternate visible light signal.Driving signal be also possible to have the characteristics that certain rule or telecommunications
Number, accordingly, drive module can be made according to the driving signal visible light source issue have the characteristics that certain rule or visible light
Signal.
The visible light receiving array can convert the received visible light signal of institute to electric signal, and the electric signal with
In the case that the driving signal matches, output control signal.When driving signal is low and high level mixed signal or square wave letter
Number or it is other have the characteristics that certain rule or electric signal when, the environment resistant interference performance of inductive switch can be improved.For example,
When driving signal is square-wave signal, processor can be in the duty ratio of the electric signal received from visible light receiving array and this
When the duty ratio matching of square-wave signal, switch module is made to execute handover operation.For another example driving signal can be cyclically-varying
Electric signal, processor is consistent with the period of driving signal when the period of electric signal that receive from visible light receiving array at this time
When, so that switch module is executed handover operation.Thus, it is ensured that switch module by false triggering, does not improve the accuracy of inductive switch.
In other embodiments, the processor can also receive at least two in the visible light receiving array
It can be seen that controlling the switch module in the case where the control signal of optical receiver module output and executing switching, to enhance inductive switch
Environment resistant interference performance.This can for example be realized by the way that interrupt routine is arranged in the control program of processor, can connect
Enter first interruption when receiving the control signal of at least one visible optical receiver module output, receives next visible light-receiving
Enter next interruption when the control signal of module, when receiving the control signal of predetermined visible optical receiver module, control
Switch module executes handover operation.For example, may only touch sense when inadvertently contacting inductive switch due to manpower
The edge or other parts position of inductive switch at this point, only one visible optical receiver module outputs control signal, thus switch
Module will not be triggered.But when hand is placed on VISIBLE LIGHT EMISSION array visible light due to triggering inductive switch intentionally by user
When between receiving array, multiple visible optical receiver modules can be prevented to receive visible light signal simultaneously, having at least two at this time can
Light-exposed receiving module output control signal, processor can make switch module execute handover operation at this time.
Fig. 4 is the structure chart of visible optical receiver module in inductive switch according to another embodiment of the present invention.Such as Fig. 4 institute
Show, the visible optical receiver module may include: photoelectric detector 410, for being electric signal by the visible light transformation received；
And processing circuit 420, for handling the electric signal.Wherein, processing circuit 420 may include amplifying circuit 421, filtered electrical
Road 422, comparison circuit 423 make its more beneficial use reason device to amplify, filter and compare processing to the electric signal
Post-treatment operations.
Photodetector can be any type of element such as photodiode, phototriode, photo resistance, as long as energy
Realize photodetection work energy, the present invention is not limited this.
In other embodiments, the processor can be according to each visible light-receiving in the visible light receiving array
The sequencing of module output control signal controls the switch module.Gesture control function not only may be implemented as a result, may be used also
To realize different handover operations using the same inductive switch.When further combined with VISIBLE LIGHT EMISSION array and visible light-receiving
Between array when different arrangement modes, additionally it is possible to realize more handover operations, and can be improved user experience.
Fig. 5 is in inductive switch according to other embodiments of the present invention, it is seen that light emitting array and visible light receiving array
Preferred arrangement mode schematic diagram.
The VISIBLE LIGHT EMISSION array and the visible light receiving array can relatively be arranged in linear type.Such as Fig. 5 (a)
It is shown, it is seen that light emitting array 510 can be with 520 or so arranged opposite of visible light receiving array.At this point it is possible to according to visible light
The sequence that receiving module 521 receives visible light signal realizes that hand is controlled from the top down or controlled from bottom to top, can be used for
Perception object moves up and down.
As shown in Fig. 5 (b), it is seen that light emitting array 510 can be with about 520 arranged opposite of visible light receiving array.This
When, can be received according to visible optical receiver module 521 visible light signal sequence realize hand from left to right control or from the right side to
Left control can be used for moving left and right for perception object.
As shown in Fig. 5 (c), it is seen that light emitting array 510 can row opposite with 520 diagonal direction of visible light receiving array
Column.At this point it is possible to realize the gesture control in inclined direction according to the sequence that visible optical receiver module 521 receives visible light signal
System can be used for the movement of perception object in an inclined direction.
By the arrangement mode as shown in Fig. 5 (a) -5 (c), the gesture control of any direction may be implemented, such as be used for
When controlling stair light, manpower may be implemented in the gesture control of stair inclined direction.
The VISIBLE LIGHT EMISSION array and the visible light receiving array can also be arranged with surrounding arrangement mode.Such as Fig. 5
(d) shown in, it can will be seen that light emitting array 510 and the visible light receiving array 520 are arranged in a manner of surrounding arrangement, it can
Realize that the control of the multiple directions such as upper and lower, left and right directions can also realize the control in other directions when changing cornerwise angle
System.Fig. 5 (d) is a kind of example, can also will be seen that circumferentially type arranges for light emitting array and visible light receiving array.
Fig. 6 is the structural schematic diagram of inductive switch according to an embodiment of the invention.Wherein, Fig. 6 (a) is inductive switch
Main view, Fig. 6 (b) are the left views of inductive switch, and Fig. 6 (c) is the top view of inductive switch.Fig. 6 is intended merely to be shown in this
In the preferred embodiment of invention, the relative position of inductive switch various components is not limited the shape appearance of various components
System.
As shown in fig. 6, inductive switch may include component 1, component 2 and component 3, component 1 and component 2 are oppositely disposed at
On component 3.Wherein, component 1 and component 2 can be respectively used to setting VISIBLE LIGHT EMISSION array and visible light receiving array, processor
It can be set in component 3 with switch module.
It is set in component 1 with VISIBLE LIGHT EMISSION array below, it is seen that light-receiving array carries out for being set in component 2
Explanation.
When using the inductive switch, component 1 constantly sends visible light signal to component 2, and component 2 receives visible light letter
After number, electric signal is converted optical signals to, and exports the output control signal of the processing module into component 3 after treatment.When
When processor determines that visible optical receiver module receives visible light signal according to control signal, the electromagnetism in switch module can be made to open
It closes and opens.
When hand or other objects are placed between component 1 and component 2 by user, processor is believed according to the received control of institute
It number can determine that visible light receiving array is not received by visible light signal, thus controllable electromagnetic switch is closed, to execute switching
Operation.Or processor can also ought can confirm that always that visible light receiving array receives visible light signal whithin a period of time
When, control electromagnetic switch executes handover operation.Thus it can further improve the accuracy of inductive switch.
The optional embodiment of example of the present invention is described in detail in conjunction with attached drawing above, still, the embodiment of the present invention is simultaneously unlimited
Detail in above embodiment can be to the embodiment of the present invention in the range of the technology design of the embodiment of the present invention
Technical solution carry out a variety of simple variants, these simple variants belong to the protection scope of the embodiment of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the embodiment of the present invention pair
No further explanation will be given for various combinations of possible ways.
It will be appreciated by those skilled in the art that implementing the method for the above embodiments is that can pass through
Program is completed to instruct relevant hardware, which is stored in a storage medium, including some instructions are used so that one
The whole of a (can be single-chip microcontroller, chip etc.) or processor (processor) execution each embodiment the method for the application
Or part steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can store journey
The medium of sequence code.
In addition, any combination can also be carried out between a variety of different embodiments of the embodiment of the present invention, as long as it is not
The thought of the embodiment of the present invention is violated, equally should be considered as disclosure of that of the embodiment of the present invention.
Claims (11)
1. a kind of inductive switch, which is characterized in that the inductive switch includes:
Switch module；
VISIBLE LIGHT EMISSION array, the VISIBLE LIGHT EMISSION array include multiple VISIBLE LIGHT EMISSION modules, the VISIBLE LIGHT EMISSION module
For issuing visible light signal；
Visible light receiving array, the visible light receiving array include multiple visible optical receiver modules, the visible optical receiver module
For receiving the visible light signal, and according to the received visible light signal output control signal of institute；And
Processor executes handover operation for controlling the switch module according to the control signal.
2. inductive switch according to claim 1, which is characterized in that the processor is according to the visible light receiving array
The sequencing of interior each visible optical receiver module output control signal controls the switch module.
3. inductive switch according to claim 1 or 2, which is characterized in that the processor is receiving the visible light
In the case where the control signal of at least two visible optical receiver module outputs in receiving array, controls the switch module and execute
Switching.
4. inductive switch according to claim 1 or 2, which is characterized in that every in the multiple VISIBLE LIGHT EMISSION module
One VISIBLE LIGHT EMISSION module respectively with the visible optical receiver module of each of the multiple visible optical receiver module relatively
Setting.
5. inductive switch according to claim 4, which is characterized in that the VISIBLE LIGHT EMISSION module that every a pair is oppositely disposed
The distance between visible optical receiver module is 1-5cm.
6. inductive switch according to claim 4, which is characterized in that the VISIBLE LIGHT EMISSION array and the visible light connect
Receiving array is in upper and lower arrangement mode, left and right arrangement mode, diagonal arrangement mode or surrounding arrangement mode.
7. inductive switch according to claim 1 or 2, which is characterized in that the VISIBLE LIGHT EMISSION module includes:
Visible light source, for issuing the visible light signal；And
Drive module, for driving the visible light source to issue the visible light signal according to driving signal.
8. inductive switch according to claim 7, which is characterized in that the driving signal includes any one in following
Person: high level signal, low level signal, low and high level mixed signal, preset frequency square-wave signal.
9. inductive switch according to claim 7, which is characterized in that the visible light receiving array is received visible by institute
Optical signal is converted into electric signal, and in the case where the electric signal and the driving signal match, output control signal.
10. inductive switch according to claim 1 or 2, which is characterized in that the visible optical receiver module includes:
Photoelectric detector, for being electric signal by the visible light transformation received；And
Processing circuit, for handling the electric signal.
11. inductive switch according to claim 1 or 2, which is characterized in that the switch module includes electromagnetic switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710506517.1A CN109150151A (en) | 2017-06-28 | 2017-06-28 | Inductive switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710506517.1A CN109150151A (en) | 2017-06-28 | 2017-06-28 | Inductive switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109150151A true CN109150151A (en) | 2019-01-04 |
Family
ID=64805471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710506517.1A Pending CN109150151A (en) | 2017-06-28 | 2017-06-28 | Inductive switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109150151A (en) |
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Effective date of registration: 20200417 Address after: 335400 No. 1 Industrial Park, Yingtan, Jiangxi, Guixi Applicant after: MEIZHI PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Address before: 518000 Guangdong city of Shenzhen province Qianhai Shenzhen Hong Kong cooperation zone before Bay Road No. 1 building 201 room A (located in Shenzhen Qianhai business secretary Co. Ltd.) Applicant before: MIDEA SMART HOME TECHNOLOGY Co.,Ltd. Applicant before: MIDEA GROUP Co.,Ltd. |
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Address after: 335400 No. 1 Industrial Park, Yingtan, Jiangxi, Guixi Applicant after: Meizhi Optoelectronic Technology Co.,Ltd. Address before: 335400 No. 1 Industrial Park, Yingtan, Jiangxi, Guixi Applicant before: MEIZHI PHOTOELECTRIC TECHNOLOGY Co.,Ltd. |
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Application publication date: 20190104 |
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