CN201952076U - Photoswitch circuit - Google Patents
Photoswitch circuit Download PDFInfo
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- CN201952076U CN201952076U CN2011200007619U CN201120000761U CN201952076U CN 201952076 U CN201952076 U CN 201952076U CN 2011200007619 U CN2011200007619 U CN 2011200007619U CN 201120000761 U CN201120000761 U CN 201120000761U CN 201952076 U CN201952076 U CN 201952076U
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Abstract
The utility model discloses a photoswitch circuit, which comprises a power supply regulator circuit for supplying power to the whole circuit, a square wave oscillation infrared emission circuit for emitting infrared, an infrared receiving circuit for receiving emitted infrared signals, a logic control circuit, and an output circuit, wherein the infrared receiving circuit generates high/low logic level according to the infrared signals and inputs the high/low logic level into the logic control circuit; and the logic control circuit performs logic operation processing on the received signals and outputs the processed signals to the output circuit. The photoswitch circuit is applied to an elevator entrance, and can automatically control elevator operation according to a using condition.
Description
Technical field
The utility model relates to a kind of circuit structure of switch, particularly a kind of photoswitch circuit of controlling the elevator operation.
Background technology
The switch circuit of control elevator operation mostly is mechanical switch in the prior art, utilizes micro controller system that the circuit of concrete time of run is set in addition.This switch circuit needs manual operation, the operation of control elevator.
In the less demand environment of some flow of the people, when nobody used elevator, elevator also in running, had caused the waste of resource.
Summary of the invention
Goal of the invention of the present utility model is in order to overcome the shortcoming in the above-mentioned background technology, a kind of photoswitch circuit to be provided, can coming the operation of automatic guidance elevator according to actual condition of service.
Its technical scheme is: a kind of photoswitch circuit, be included as the power supply regulator circuit of entire circuit power supply, launch ultrared square wave concussion infrared emission circuit, the infrared signal of emission is delivered to ultrared acceptor circuit, infrared radiation receiving circuit produces high low logic level according to infrared signal and is input to logic control circuit, decision circuit carries out the signal that receives the logic operation processing and processing signals is outputed to output circuit, and output circuit is controlled external circuit according to logic control circuit.
Use above-mentioned photoswitch circuit, it is installed in the elevator entrance place, and when people or thing had been blocked the infrared signal of infrared emission circuit, infrared radiation receiving circuit did not receive infrared signal, just carry signal to logic control circuit, thereby the control elevator is opened.When behind certain hour, when infrared radiation receiving circuit received infrared signal always, it was out of service just can to control elevator.
Description of drawings
Fig. 1 is the circuit diagram of the utility model power supply regulator circuit, square wave concussion infrared emission circuit part;
Fig. 2 is the circuit diagram of the ultrared acceptor circuit of the utility model, logic control circuit, output circuit part.
The specific embodiment
A kind of photoswitch circuit comprises power supply regulator circuit, square wave concussion infrared emission circuit, ultrared acceptor circuit, logic control circuit, output circuit.Power supply regulator circuit as shown in Figure 1 for the entire circuit power supply, this circuit comprises outside input power supply, diode D1, capacitor C 1, resistance R 1, stabilivolt ZD1, aerotron Q1, capacitor C 10 constitutes with C2, wherein the external power supply positive pole connects the positive pole of diode D1, the negative pole of diode D1 connects the positive pole of capacitor C 1, the negative pole of C1 meets GND, the end of the C utmost point connecting resistance R1 of aerotron Q1, this end of resistance R 1 also is connected between diode D1 and the capacitor C 1, the other end of the B utmost point connecting resistance R1 of aerotron Q1 and the negative pole of stabilivolt ZD1, the positive pole of stabilivolt ZD1 meets GND, the E utmost point of aerotron Q1 and capacitor C 2 are joined with C10, capacitor C 2 is in parallel with C10, and the other end of capacitor C 2 and C10 all meets GND.Wherein the specification of each circuit component is: outside input power supply 24V, and the model of diode D1 is IN5819, resistance R 1 is 1K Ω, capacitor C 1 parameter is 4.7 μ F, the model of aerotron Q1 is 2SC3303, and the parameter of capacitor C 10 is 0.1 μ F, and the parameter of capacitor C 2 is 10 μ F.This circuit can make the voltage source of the 5V of E utmost point generation of aerotron Q1, for subsequent conditioning circuit provides power supply.
Square wave concussion infrared emission circuit as shown in Figure 1 is made up of square wave oscillating circuit and infrared emission circuit.The square wave oscillating circuit is produced by programmable oscillator U1, its PIN1 meets GND, PIN2 links to each other with resistance R 2 with capacitor C 3 respectively with PIN6, the other end of resistance R 2 is connected with resistance R 3 and resistance R 4, the PIN7 of another termination programmable oscillator U1 of resistance R 4, another termination GND of capacitor C 3, PIN5 and capacitor C 4 are joined, capacitor C 4 another termination GND, and PIN7 also joins with resistance R 5, the other end of resistance R 5 and capacitor C 5, the PIN4 of programmable oscillator U1 and PIN8, the E utmost point of aerotron Q1 joins, and capacitor C 5 is the decoupling capacitor of U1, its another termination GND, the PIN3 of programmable oscillator U1 and resistance R 6, the B utmost point of aerotron Q2 is in series.This circuit can make programmable oscillator U1 produce a 36KHZ or 38KHZ square wave, drives aerotron Q2, and then makes infrared transmitting tube work send infrared-ray.The infrared emission circuit is connected by resistance R 7, infrared light emitting diode L1 and is inserted the C utmost point of aerotron Q2, the E level of another termination aerotron Q1 of resistance R 7, and the E level of aerotron Q2 meets GND.Wherein the specification of each circuit component is: the specification of programmable oscillator U1 is NE555D, and the specification of capacitor C 3 is 102, and the specification of capacitor C 4 is 102.The specification of capacitor C 5 is 104, and resistance R 2 is 10K Ω, and resistance R 3 is 5.1K Ω, and resistance R 4 is 2.2 K Ω, and resistance R 5 is 1 K Ω, and resistance R 6 is 1K Ω, and resistance R 7 is 200 Ω, and the specification of aerotron Q2 is 9013.
Ultrared acceptor circuit as shown in Figure 2 is used for receiving infrared-ray signal, and it is made of infrared receiving terminal U2, resistance R 8, resistance R 9, capacitor C 6.Wherein the PIN1 of infrared receiving terminal U2 links to each other with resistance R 9, the other end of R9 links to each other with the E utmost point of above-mentioned aerotron Q1 and an end of resistance R 8, the other end of R8 links to each other with the positive pole of capacitor C 6 and the PIN3 of infrared receiving terminal U2, and the negative pole of C6 links to each other with PIN2 and the GND of infrared receiving terminal U2.But the infrared light that this circuit function receiving infrared-ray emitting diode L1 produces, and produce high low logic level and input to the subsequent logic control circuit.Wherein the specification of each circuit component is: the specification of infrared receiving terminal U2 is SFH5410, and resistance R 8 is 62 Ω, and resistance R 9 is 10K Ω, and capacitor C 6 is 472.
As shown in Figure 2, the logic control circuit of the high low logic level signal of receiving infrared-ray acceptor circuit is made of two phase inverter U3, LED1, LED2, resistance R 10, resistance R 11.The PIN1 of two phase inverter U3 links to each other with the PIN1 of infrared receiving terminal U2 and receives its output signal, the PIN2 of two phase inverter U3 meets GND, the PIN3 of two phase inverter U3 links to each other with PIN6, the PIN4 of two phase inverter U3 links to each other with resistance R 10, resistance R 10 links to each other with the negative pole of LED1, the positive pole of LED1 connects the E utmost point of Q1, the PIN5 of two phase inverter U3 connects the E utmost point of Q1, the PIN6 of two phase inverter U3 and PIN2, resistance R 11, resistance R 12 links to each other, the R11 other end links to each other with the negative pole of LED2, the positive pole of LED2 connects the E utmost point of aerotron Q1, and two phase inverter U3 are by the high-low level control LED1 of infrared receiving terminal U2, the mode of operation of LED2 and output circuit.When the PIN1 of two phase inverter U3 received high level, its PIN6 was a low level, and PIN4 is that high point is flat, so LED2 is bright, LED1 goes out, and when its PIN1 was low level, phenomenon was just opposite.Wherein the specification of each circuit component is: resistance R 10 is 1K Ω, and resistance R 11 is 1K Ω.
Output circuit as shown in Figure 2 is made of optocoupler U4, capacitor C 8, capacitor C 9, resistance R 13, wherein the PIN1 of optocoupler U4, PIN4, PIN7 sky connect, its PIN3 and PIN5 meet GND, its PIN2 connecting resistance R12, the PIN6 of the two phase inverter U3 of another termination of resistance R 12, the PIN6 of optocoupler U4 connects capacitor C 8, resistance R 13 and lead-out terminal, another termination GND of capacitor C and resistance R 13, and the PIN8 of optocoupler U4 connects the positive pole of capacitor C 9 and external source.The function of this circuit is: when the PIN6 of two phase inverter U3 output high level, and the PIN6 output 3V voltage of optocoupler U4, otherwise this PIN6 output 0V voltage.Wherein the specification of each circuit component is: the model of optocoupler U4 is HCPL-3140, and capacitor C 8 is that 105 capacitor C 9 are 105, and resistance R 12 is 1K Ω, and resistance R 13 is 1K Ω.
Claims (6)
1. photoswitch circuit, it is characterized in that being included as the power supply regulator circuit of entire circuit power supply, launch ultrared square wave concussion infrared emission circuit, the infrared signal of emission is delivered to ultrared acceptor circuit, infrared radiation receiving circuit produces high low logic level according to infrared signal and is input to logic control circuit, and decision circuit carries out the signal that receives the logic operation processing and processing signals is outputed to output circuit.
2. photoswitch circuit as claimed in claim 1, it is characterized in that described power supply regulator circuit comprises outside input power supply, diode D1, capacitor C 1, resistance R 1, stabilivolt ZD1, aerotron Q1, capacitor C 10 constitutes with C2, wherein the external power supply positive pole connects the positive pole of diode D1, the negative pole of diode D1 connects the positive pole of capacitor C 1, the negative pole of C1 meets GND, the end of the C utmost point connecting resistance R1 of aerotron Q1, this end of resistance R 1 also is connected between diode D1 and the capacitor C 1, the other end of the B utmost point connecting resistance R1 of aerotron Q1 and the negative pole of stabilivolt ZD1, the positive pole of stabilivolt ZD1 meets GND, the E utmost point of aerotron Q1 and capacitor C 2 are joined with C10, capacitor C 2 is in parallel with C10, and the other end of capacitor C 2 and C10 all meets GND.
3. photoswitch circuit as claimed in claim 1 is characterized in that described square wave concussion infrared emission circuit, is made of square wave oscillating circuit and infrared emission circuit; The square wave oscillating circuit is produced by programmable oscillator U1, its PIN1 meets GND, PIN2 links to each other with resistance R 2 with capacitor C 3 respectively with PIN6, the other end of resistance R 2 is connected with resistance R 3 and resistance R 4, the PIN7 of another termination programmable oscillator U1 of resistance R 4, another termination GND of capacitor C 3, PIN5 and capacitor C 4 are joined, capacitor C 4 another termination GND, and PIN7 also joins with resistance R 5, the other end of resistance R 5 and capacitor C 5, the PIN4 of programmable oscillator U1 and PIN8, the E utmost point of aerotron Q1 joins, and capacitor C 5 is the decoupling capacitor of U1, its another termination GND, the PIN3 of programmable oscillator U1 and resistance R 6, the B utmost point of aerotron Q2 is in series; The infrared emission circuit is connected by resistance R 7, infrared light emitting diode L1 and is inserted the C utmost point of aerotron Q2, the E level of another termination aerotron Q1 of resistance R 7, and the E level of aerotron Q2 meets GND.
4. photoswitch circuit as claimed in claim 1, it is characterized in that described ultrared acceptor circuit is made of infrared receiving terminal U2, resistance R 8, resistance R 9, capacitor C 6, wherein the PIN1 of infrared receiving terminal U2 links to each other with resistance R 9, the other end of R9 links to each other with the E utmost point of above-mentioned aerotron Q1 and an end of resistance R 8, the other end of R8 links to each other with the positive pole of capacitor C 6 and the PIN3 of infrared receiving terminal U2, and the negative pole of C6 links to each other with PIN2 and the GND of infrared receiving terminal U2.
5. photoswitch circuit as claimed in claim 1 is characterized in that described logic control circuit is made of two phase inverter U3, LED1, LED2, resistance R 10, resistance R 11; The PIN1 of two phase inverter U3 links to each other with the PIN1 of infrared receiving terminal U2 and receives its output signal, the PIN2 of two phase inverter U3 meets GND, the PIN3 of two phase inverter U3 links to each other with PIN6, the PIN4 of two phase inverter U3 links to each other with resistance R 10, resistance R 10 links to each other with the negative pole of LED1, the positive pole of LED1 connects the E utmost point of Q1, the PIN5 of two phase inverter U3 connects the E utmost point of Q1, the PIN6 of two phase inverter U3 links to each other with PIN2, resistance R 11, resistance R 12, the R11 other end links to each other with the negative pole of LED2, and the positive pole of LED2 connects the E utmost point of aerotron Q1.
6. photoswitch circuit as claimed in claim 1, it is characterized in that described output circuit is made of optocoupler U4, capacitor C 8, capacitor C 9, resistance R 13, wherein the PIN1 of optocoupler U4, PIN4, PIN7 sky connect, its PIN3 and PIN5 meet GND, its PIN2 connecting resistance R12, the PIN6 of the two phase inverter U3 of another termination of resistance R 12, the PIN6 of optocoupler U4 connects capacitor C 8, resistance R 13 and lead-out terminal, another termination GND of capacitor C and resistance R 13, the PIN8 of optocoupler U4 connects the positive pole of capacitor C 9 and external source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200007619U CN201952076U (en) | 2011-01-04 | 2011-01-04 | Photoswitch circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200007619U CN201952076U (en) | 2011-01-04 | 2011-01-04 | Photoswitch circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201952076U true CN201952076U (en) | 2011-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200007619U Expired - Fee Related CN201952076U (en) | 2011-01-04 | 2011-01-04 | Photoswitch circuit |
Country Status (1)
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| CN (1) | CN201952076U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983849A (en) * | 2011-09-05 | 2013-03-20 | 中山碧图电子科技有限公司 | Hibernation type correlation groove-shaped type infrared light electric switch |
| CN102983848A (en) * | 2011-09-05 | 2013-03-20 | 中山碧图电子科技有限公司 | Changing-over type correlation trough type optoelectronic switch |
| WO2013091278A1 (en) * | 2011-12-23 | 2013-06-27 | 宁波电子器材一厂 | Photoelectric switch for elevator |
| CN104330997A (en) * | 2013-07-22 | 2015-02-04 | 深圳光启创新技术有限公司 | Time-delay control circuit and time-delay control system |
-
2011
- 2011-01-04 CN CN2011200007619U patent/CN201952076U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983849A (en) * | 2011-09-05 | 2013-03-20 | 中山碧图电子科技有限公司 | Hibernation type correlation groove-shaped type infrared light electric switch |
| CN102983848A (en) * | 2011-09-05 | 2013-03-20 | 中山碧图电子科技有限公司 | Changing-over type correlation trough type optoelectronic switch |
| CN102983849B (en) * | 2011-09-05 | 2015-09-02 | 中山碧图电子科技有限公司 | Dormancy formula correlation grooved Photoelectric infrared switch |
| CN102983848B (en) * | 2011-09-05 | 2015-09-02 | 中山碧图电子科技有限公司 | Suitching type correlation groove type photoelectric switch |
| WO2013091278A1 (en) * | 2011-12-23 | 2013-06-27 | 宁波电子器材一厂 | Photoelectric switch for elevator |
| CN104024137A (en) * | 2011-12-23 | 2014-09-03 | 宁波电子器材一厂 | Photoelectric Switch For Elevator |
| CN104330997A (en) * | 2013-07-22 | 2015-02-04 | 深圳光启创新技术有限公司 | Time-delay control circuit and time-delay control system |
| CN104330997B (en) * | 2013-07-22 | 2017-11-17 | 深圳光启智能光子技术有限公司 | Delay control circuit and delay control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20140104 |