CN201674475U - Proximity switch with auxiliary infrared light filling device - Google Patents
Proximity switch with auxiliary infrared light filling device Download PDFInfo
- Publication number
- CN201674475U CN201674475U CN2010201978254U CN201020197825U CN201674475U CN 201674475 U CN201674475 U CN 201674475U CN 2010201978254 U CN2010201978254 U CN 2010201978254U CN 201020197825 U CN201020197825 U CN 201020197825U CN 201674475 U CN201674475 U CN 201674475U
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- CN
- China
- Prior art keywords
- circuit
- infrared light
- control module
- compensating apparatus
- light compensating
- 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.)
- Expired - Lifetime
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Abstract
The utility model provides a proximity switch with an auxiliary infrared light filling device. The proximity switch comprises a control module, an infrared light receiving circuit, a power supply circuit, a crystal oscillator circuit, a reset circuit, an interface circuit, a dial switch circuit, an infrared light transmitting circuit, a relay control circuit and an infrared light filling device, wherein the infrared light receiving circuit, the power supply circuit, the crystal oscillator circuit, the reset circuit, the interface circuit and the dial switch circuit are connected with an input end circuit of the control module, the infrared light transmitting circuit, the relay control circuit and the infrared light filling device are connected with an output end circuit of the control module, and an output end of the relay control circuit is in circuit connection with the infrared light filling device and external equipment. The dial switch circuit is used for controlling the infrared light filling device so that the proximity switch can be used as a general infrared proximity switch with high universality. The infrared light filling device is integrated in the general infrared proximity switch, and thus the proximity switch has the advantages of low cost, small volume, simple structure, convenient installation, space economization and the like.
Description
Technical field
The utility model relates to a kind of infrared switch of relevant field of biological recognition, be specifically related to a kind of subsidiary infrared light compensating apparatus near switch.
Background technology
At present, the current domestic product that relates to face recognition technology, major part need be used infrared light compensating apparatus and near switch.Existing Related product adopts all is the method for separating near switch and infrared light compensating apparatus, this method exist volume big, inconvenience is installed, shortcomings such as many take up room.Owing to being separately independently, increased cost in addition, wasted the energy near switch and light compensating apparatus.
The utility model content
The utility model provide a kind of subsidiary infrared light compensating apparatus near switch, near switch, be provided with infrared light compensating apparatus, reduced device volume, reduce cost energy savings.
For achieving the above object, the utility model provide a kind of subsidiary infrared light compensating apparatus near switch, it is characterized in that, this switch comprises control module, infrared light receiving circuit that is connected with the inlet circuit of this control module and toggle switch circuit, and the infrared light radiating circuit that is connected with the circuit of output terminal of this control module, control relay circuit and infrared light compensating apparatus;
The output of above-mentioned control relay circuit is connected with infrared light compensating apparatus circuit;
The input of above-mentioned control module also circuit is connected with power circuit, crystal oscillating circuit, reset circuit and interface circuit.
Above-mentioned control module adopts single-chip microcomputer.
Above-mentioned infrared light compensating apparatus adopts infrarede emitting diode array radiating circuit.
Power circuit is control module and other circuit supplies, and starts near switch.Crystal oscillating circuit provides the clock source for control module.Control module is carried out the on-line debugging and the loading of program by interface circuit.
During normal the use, operating personnel control the opening and closing of toggle switch circuit, and control module is gathered the state of toggle switch circuit, when the toggle switch circuit is opened, and infrared light compensating apparatus electrified light emitting; When the toggle switch circuit was closed, infrared light compensating apparatus no power was luminous.The infrared light of control module control simultaneously radiating circuit is launched infrared light to assigned direction.Be reflected when the infrared light of launching runs into barrier, after the infrared light receiving circuit receives, after producing an external interrupt and entering control module,, make external equipment and infrared light compensating apparatus work by two normally opened contact closures of control relay circuit.When this device program mal takes place, utilize reset circuit that control module is resetted.
Comparing near switch with existing infrared ray of a kind of subsidiary infrared light compensating apparatus of the utility model near switch, its advantage is, the utility model has used a toggle switch circuit to control the Push And Release of infrared light compensating apparatus by control module, when this device was used in the occasion that needs infrared light compensating apparatus, infrared light compensating apparatus can luminously use as the light filling light source; When being used in the occasion that does not need infrared light compensating apparatus, infrared light compensating apparatus lost efficacy, and can be used as general infrared switch and use, and versatility is very strong;
The utility model adopts single-chip microcomputer as control module, and the characteristics that have dependable performance, are easy to expand cooperate suitable single-chip microcomputer C programmer code or assembly language program(me) code, make it that very high intelligent level be arranged;
Have only in the utility model when having detected barrier, external equipment and infrared light compensating apparatus are just worked, and have reached purpose of energy saving to greatest extent;
The utility model is integrated in infrared light compensating apparatus in the general infrared switch, have that cost is low, volume is little, simple in structure, easy for installation, save advantage such as space.
Description of drawings
Fig. 1 is the module diagram near switch of a kind of subsidiary infrared light compensating apparatus of the utility model.
Embodiment
Specify embodiment of the present utility model below in conjunction with accompanying drawing.
See also shown in Figure 1, a kind of subsidiary infrared light compensating apparatus of the utility model comprise control module 1 near switch, the infrared light receiving circuit 2, power circuit 3, crystal oscillating circuit 4, reset circuit 5, interface circuit 6 and the toggle switch circuit 7 that are connected with the inlet circuit of this control module 1, and the infrared light radiating circuit 8, control relay circuit 9 and the infrared light compensating apparatus 10 that are connected with the circuit of output terminal of this control module 1.The output of control relay circuit 9 also is connected with infrared light compensating apparatus 10 circuit.
In the utility model, control module 1 adopts single-chip microcomputer.Power circuit 3 obtains stable voltage at last and gives control module 1 and other circuit supplies by a series of voltage modulate circuits.Crystal oscillating circuit 4 provides stable, clock source accurately for control module 1.Reset circuit 5 is mainly used in resetting of control module 1.During debugging routine, when occurring that control module 1 crashes or program breaks down, can make control module 1 operate as normal by reset circuit 5.Interface circuit 6 adopts the jtag interface circuit, is used for the on-line debugging and the loading of control module 1 program.It is effective or invalid that toggle switch circuit 7 is controlled infrared light compensating apparatus 10 radiating circuits by dial-up.Infrared light radiating circuit 8 adopts the 950nm infrared light radiating circuit of 38KHz, and sending frequency by control module 1 control is that the centre wavelength of 38KHz is the infrared light of 950nm.But infrared light receiving circuit 2 receive frequencies are the centre wavelength of 38KHz is the infrared light of 950nm.Control relay circuit 9 is used for control module 1 control relay, reaches the purpose that relay contact is opened or closed, and wherein, two normally opened contacts of control relay circuit 9 connect infrared light compensating apparatus 10 and external equipment 11 respectively.It is the infrarede emitting diode array radiating circuit of 830nm～870nm that infrared light compensating apparatus 10 adopts wave-length coverage, array is made up of the infrarede emitting diode of one group of specific wavelength (as 850nm), emission is as the infrared light of 850nm wavelength, to reach the purpose of light filling.
The output of control relay circuit 9 also circuit is connected with external equipment 11, and this external equipment 11 is people's face recognition access control system controller and video intercom equipment.The infrared light detecting of launching when this switch is to there being object, and promptly control relay control circuit 9 triggers external equipments 11 work.
The operation workflow near switch of a kind of subsidiary infrared light compensating apparatus of the utility model is as follows:
Although content of the present utility model has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple modification of the present utility model with to substitute all will be conspicuous.Therefore, protection range of the present utility model should be limited to the appended claims.
Claims (4)
1. a subsidiary infrared light compensating apparatus near switch, it is characterized in that, this switch comprises control module (1), the infrared light receiving circuit (2) and the toggle switch circuit (7) that are connected with the inlet circuit of described control module (1), and the infrared light radiating circuit (8), control relay circuit (9) and the infrared light compensating apparatus (10) that are connected with the circuit of output terminal of described control module (1); The output of described control relay circuit (9) is connected with described infrared light compensating apparatus (10) circuit.
2. subsidiary infrared light compensating apparatus as claimed in claim 1 near switch, it is characterized in that the input of described control module (1) also circuit is connected with power circuit (3), crystal oscillating circuit (4), reset circuit (5) and interface circuit (6).
3. subsidiary infrared light compensating apparatus as claimed in claim 1 near switch, it is characterized in that described control module (1) adopts single-chip microcomputer.
4. subsidiary infrared light compensating apparatus as claimed in claim 1 near switch, it is characterized in that described infrared light compensating apparatus (10) adopts infrarede emitting diode array radiating circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201978254U CN201674475U (en) | 2010-05-20 | 2010-05-20 | Proximity switch with auxiliary infrared light filling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201978254U CN201674475U (en) | 2010-05-20 | 2010-05-20 | Proximity switch with auxiliary infrared light filling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201674475U true CN201674475U (en) | 2010-12-15 |
Family
ID=43331882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201978254U Expired - Lifetime CN201674475U (en) | 2010-05-20 | 2010-05-20 | Proximity switch with auxiliary infrared light filling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201674475U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104569711A (en) * | 2013-10-22 | 2015-04-29 | 珠海格力电器股份有限公司 | Method and testing device for electronic component open/short circuit test |
| US9484915B2 (en) | 2013-05-20 | 2016-11-01 | Abb Schweiz Ag | Non-contact proximity switch for machine safety |
-
2010
- 2010-05-20 CN CN2010201978254U patent/CN201674475U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9484915B2 (en) | 2013-05-20 | 2016-11-01 | Abb Schweiz Ag | Non-contact proximity switch for machine safety |
| CN104569711A (en) * | 2013-10-22 | 2015-04-29 | 珠海格力电器股份有限公司 | Method and testing device for electronic component open/short circuit test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101215 |
|
| CX01 | Expiry of patent term |