CN210986540U - Light-operated switch circuit applied to automatic illumination system of library study room - Google Patents
Light-operated switch circuit applied to automatic illumination system of library study room Download PDFInfo
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- CN210986540U CN210986540U CN201921788393.1U CN201921788393U CN210986540U CN 210986540 U CN210986540 U CN 210986540U CN 201921788393 U CN201921788393 U CN 201921788393U CN 210986540 U CN210986540 U CN 210986540U
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- 238000005286 illumination Methods 0.000 title claims description 19
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 7
- 239000010703 silicon Substances 0.000 claims abstract description 7
- 239000003990 capacitor Substances 0.000 claims description 87
- 206010070834 Sensitisation Diseases 0.000 abstract description 10
- 230000008313 sensitization Effects 0.000 abstract description 10
- 239000002699 waste material Substances 0.000 abstract description 5
- 238000007599 discharging Methods 0.000 description 6
- 230000000087 stabilizing effect Effects 0.000 description 5
- 238000001914 filtration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The utility model discloses a be applied to library's study room automatic lighting system's photoswitch circuit, including input voltage control unit and sensitization the control unit, input voltage control unit's output and sensitization the control unit's input are connected, input voltage control unit passes through the vary voltage of transformer TR1, integrated circuit U1 steady voltage, potentiometre RV1 adjusts input voltage, makes input voltage accord with circuit work requirement, sensitization the control unit changes self resistance value through the photoresistor L DR1 sensitization and comes the control circuit current change to change one-way silicon controlled rectifier U1's state, control relay R L1's switch, the utility model relates to a be applied to library's study room automatic lighting system's photoswitch circuit can use in library's study room automatic lighting system, adjusts input voltage into circuit working voltage through input voltage control unit, through the switch of sensitization the automatic lighting system of control of sensitization the control unit, reduce the waste of electric power resource.
Description
Technical Field
The utility model relates to a photoswitch field particularly, relates to a be applied to library's study room automatic lighting system's photoswitch circuit, can use in library's study room automatic lighting system, adjusts input voltage into circuit operating voltage through input voltage control unit, through the switch of the automatic lighting system of sensitization control unit sensitization control, reduces the waste of electric power resource.
Background
With the continuous development of living standard, the lighting device is applied to all walks of life, and living elements of people cannot leave the lighting device.
Reading rooms, study rooms, bookstores and the like in a library of a school are places with a large number of people coming in and going out. Therefore, the lighting in these places is almost from work to work, regardless of whether or not there are people in these places, and regardless of how many people are. Obviously, the lighting mode is not energy-saving from the lighting point of view, and wastes the power resource.
SUMMERY OF THE UTILITY MODEL
To the problem among the correlation technique, the utility model provides a be applied to library's room of study automatic lighting system's photoswitch circuit to overcome the above-mentioned technical problem that current correlation technique exists.
The technical scheme of the utility model is realized like this:
a light-operated switch circuit applied to an automatic illumination system of a library study room is characterized by comprising an input voltage control unit and a photosensitive control unit;
the output end of the input voltage control unit is connected with the input end of the photosensitive control unit;
the input voltage control unit comprises a transformer TR1, a rectifier bridge BR1, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a diode D1, a diode D2, an integrated circuit U1, a resistor R1 and a potentiometer RV 1;
a 1 st pin of the transformer TR1 is connected to an input voltage, a 2 nd pin of the transformer TR1 is connected to an input voltage, a 3 rd pin of the transformer TR1 is connected to a 2 nd pin of the rectifier bridge BR1, a 4 th pin of the transformer TR1 is connected to a 3 rd pin of the rectifier bridge BR1, a 1 st pin of the rectifier bridge BR1 is connected to one end of the capacitor C1, one end of the capacitor C2, one end of the capacitor C3, a 2 nd pin of the potentiometer RV1, a 3 rd pin of the potentiometer RV1, one end of the capacitor C4, and one end of the capacitor C5, a 4 th pin of the rectifier bridge BR1 is connected to the other end of the capacitor C6342, the other end of the capacitor C2, a 3 rd pin of the integrated circuit U1, and a negative electrode of the diode D1, a 2 nd pin of the integrated circuit U1 is connected to the other end of the capacitor C3, the potential RV1 st pin 1, and a negative electrode of the capacitor C1, respectively, One end of the resistor R1 is connected with the anode of the diode D2, and the 1 st pin of the integrated circuit U1 is respectively connected with the anode of the diode D1, the other end of the resistor R1, the cathode of the diode D2, the other end of the capacitor C4 and the other end of the capacitor C5;
the photosensitive control unit comprises a capacitor C6, a capacitor C7, a capacitor C8, a diode D3, a diode D4, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a photoresistor L DR1, a relay R L1, a one-way thyristor U2, a triode Q1, a triode Q2, a triode Q3 and a triode Q4;
one end of the relay R1 is respectively connected with a 1 st pin of the integrated circuit U, an anode of the diode D, the other end of the resistor R, a cathode of the diode D, the other end of the capacitor C, one end of the resistor R and one end of the resistor R, the other end of the relay R1 is connected with an A pole of the unidirectional silicon controlled rectifier U, a K pole of the unidirectional silicon controlled rectifier U is connected with a 1 st pin of the rectifier bridge BR, one end of the capacitor C, a 2 nd pin of the potentiometer RV, a 3 rd pin of the potentiometer RV, one end of the capacitor C, an emitter of the triode Q, one end of the capacitor C, an anode of the diode D, an emitter of the triode Q and an emitter of the triode Q are all grounded, the other end of the resistor R is respectively connected with a collector of the triode Q, a base of the resistor R and a collector of the other end of the triode R, the base of the resistor R and the collector of the other end of the triode Q are respectively connected with a base of the resistor R, a base of the resistor R and the base of the resistor R, the base of the other end of the triode R, the triode Q, the resistor R base of the resistor R and the resistor R base of the resistor R are respectively connected with a collector of the diode D, the collector of the triode Q, the resistor R base of the resistor R and the resistor R, the collector of the triode Q, the resistor R base of the other end of the triode Q, the resistor R base of the triode Q, the triode Q are connected with the resistor R, the collector of the resistor R base of the collector of the triode Q.
Further, the transformer TR1 is a 4-pin transformer for changing the input voltage.
Further, the integrated circuit U1 is a voltage stabilizing integrated circuit L M317, which is used for stabilizing the transformed input voltage.
Further, the potentiometer RV1 is a linear potentiometer, and is used for adjusting the magnitude of the input voltage, so that the input voltage is suitable for normal operation of the circuit.
Further, the capacitor C3 is used for filtering out ripples on the potentiometer RV1, and improving the stability of the input voltage.
Further, when the output terminal and the input terminal of the integrated circuit U1 are short-circuited, the capacitor C2 may damage the chip by discharging inside the integrated circuit U1, and the diode D2 may provide a discharging loop for the capacitor C2.
Further, the capacitor C4 is used to prevent the output of the integrated circuit U1 from self-exciting.
Further, the diode D1 is a protection diode for preventing the charge accumulated on the capacitive load from discharging to the integrated circuit U1 when the input terminal of the integrated circuit U1 is short-circuited.
The utility model has the advantages that: the automatic illumination system can be used in the automatic illumination system of the study room of the library, the input voltage is regulated to be the circuit working voltage through the input voltage control unit, and the switch of the automatic illumination system is controlled through the light sensation of the light sensation control unit, so that the waste of power resources is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of a light-operated switch circuit applied to an automatic illumination system of a study room in a library according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
According to the utility model discloses an embodiment provides a be applied to library's room of study automatic lighting system's photoswitch circuit.
As shown in fig. 1, the optical control switch circuit applied to the automatic illumination system of the study room in the library according to the embodiment of the present invention is characterized by comprising an input voltage control unit and a photosensitive control unit;
the output end of the input voltage control unit is connected with the input end of the photosensitive control unit;
the input voltage control unit comprises a transformer TR1, a rectifier bridge BR1, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a diode D1, a diode D2, an integrated circuit U1, a resistor R1 and a potentiometer RV 1;
a 1 st pin of the transformer TR1 is connected to an input voltage, a 2 nd pin of the transformer TR1 is connected to an input voltage, a 3 rd pin of the transformer TR1 is connected to a 2 nd pin of the rectifier bridge BR1, a 4 th pin of the transformer TR1 is connected to a 3 rd pin of the rectifier bridge BR1, a 1 st pin of the rectifier bridge BR1 is connected to one end of the capacitor C1, one end of the capacitor C2, one end of the capacitor C3, a 2 nd pin of the potentiometer RV1, a 3 rd pin of the potentiometer RV1, one end of the capacitor C4, and one end of the capacitor C5, a 4 th pin of the rectifier bridge BR1 is connected to the other end of the capacitor C6342, the other end of the capacitor C2, a 3 rd pin of the integrated circuit U1, and a negative electrode of the diode D1, a 2 nd pin of the integrated circuit U1 is connected to the other end of the capacitor C3, the potential RV1 st pin 1, and a negative electrode of the capacitor C1, respectively, One end of the resistor R1 is connected with the anode of the diode D2, and the 1 st pin of the integrated circuit U1 is respectively connected with the anode of the diode D1, the other end of the resistor R1, the cathode of the diode D2, the other end of the capacitor C4 and the other end of the capacitor C5;
the photosensitive control unit comprises a capacitor C6, a capacitor C7, a capacitor C8, a diode D3, a diode D4, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a photoresistor L DR1, a relay R L1, a one-way thyristor U2, a triode Q1, a triode Q2, a triode Q3 and a triode Q4;
one end of the relay R1 is respectively connected with a 1 st pin of the integrated circuit U, an anode of the diode D, the other end of the resistor R, a cathode of the diode D, the other end of the capacitor C, one end of the resistor R and one end of the resistor R, the other end of the relay R1 is connected with an A pole of the unidirectional silicon controlled rectifier U, a K pole of the unidirectional silicon controlled rectifier U is connected with a 1 st pin of the rectifier bridge BR, one end of the capacitor C, a 2 nd pin of the potentiometer RV, a 3 rd pin of the potentiometer RV, one end of the capacitor C, an emitter of the triode Q, one end of the capacitor C, an anode of the diode D, an emitter of the triode Q and an emitter of the triode Q are all grounded, the other end of the resistor R is respectively connected with a collector of the triode Q, a base of the resistor R and a collector of the other end of the triode R, the base of the resistor R and the collector of the other end of the triode Q are respectively connected with a base of the resistor R, a base of the resistor R and the base of the resistor R, the base of the other end of the triode R, the triode Q, the resistor R base of the resistor R and the resistor R base of the resistor R are respectively connected with a collector of the diode D, the collector of the triode Q, the resistor R base of the resistor R and the resistor R, the collector of the triode Q, the resistor R base of the other end of the triode Q, the resistor R base of the triode Q, the triode Q are connected with the resistor R, the collector of the resistor R base of the collector of the triode Q.
In one embodiment, the transformer TR is a 4-pin transformer for changing an input voltage, the integrated circuit U is a voltage stabilizing integrated circuit M317 for stabilizing the input voltage after voltage transformation, the potentiometer RV is a linear potentiometer for adjusting the magnitude of the input voltage so that the input voltage is suitable for normal operation of a circuit, the capacitor C is used for filtering ripples on the potentiometer RV to improve stability of the input voltage, when an output end and an input end of the integrated circuit U are short-circuited, the capacitor C discharges through an interior of the integrated circuit U to damage a chip, the diode D provides a discharge loop for the capacitor C, the capacitor C is used for preventing an output end of the integrated circuit U from self-excitation, the diode D is a protection diode for preventing charges accumulated on a capacitive load from being discharged to the integrated circuit U when the input end of the integrated circuit U is short-circuited, when external illumination is sufficient, the photoresistance DR of the photosensitive control unit irradiates light to be in a low-resistance state to turn on the triode Q, the triode Q is turned on, the triode Q is turned off, the phototransition switch Q is turned on, the phototransistor 1 is turned on the phototransition switch Q to turn off, the phototransition switch Q is kept in a status when the phototransition relay is not turned on, the phototransition relay is turned on, the phototransition relay Q, the phototransition relay is turned on, the phototransition.
The working principle is as follows: an input voltage control unit consists of a transformer TR1, a rectifier bridge BR1, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a diode D1, a diode D2, an integrated circuit U1, a resistor R1 and a potentiometer RV 1; the transformer TR1 is used for changing the input voltage; the integrated circuit U1 is used for stabilizing the input voltage after voltage transformation; the potentiometer RV1 is used for adjusting the magnitude of input voltage, so that the input voltage is suitable for normal operation of a circuit; the diode D2 is used for the capacitor C2 to damage the chip by discharging inside the integrated circuit U1 when the output terminal and the input terminal of the integrated circuit U1 are short-circuited, and the diode D2 can provide a discharging loop for the capacitor C2; the capacitor C4 is used for preventing the output end of the integrated circuit U1 from self-exciting; the diode D1 functions as a protection diode to prevent the charge accumulated in the capacitive load from discharging to the integrated circuit U1 when the input terminal of the integrated circuit U1 is short-circuited.
The photosensitive resistor DR is used for changing the resistance of the photosensitive resistor DR according to illumination, when the external illumination is sufficient, the photosensitive resistor DR is in a low-resistance state through illumination, so that the triode Q is switched on, the triode Q and the triode Q are cut off, the triode Q is switched on, the one-way thyristor Q is cut off, the relay R1 is in a disconnected state, when the external illumination is insufficient, the internal resistance of the photosensitive resistor DR is increased due to no illumination, the triode Q is switched off, a power supply rapidly charges the capacitor C through the triode Q and the diode D, the triode Q is switched on, the triode Q is cut off, the one-way thyristor U is triggered to be switched on, and the switch of the relay R1 is switched on.
To sum up, with the help of the above technical scheme of the utility model, be applied to library's study room automatic lighting system's photoswitch circuit through designing one kind, can use in library's study room automatic lighting system, adjust input voltage for circuit operating voltage through input voltage control unit, through the switch of the automatic lighting system of sensitization control unit sensitization control, reduce the waste of electric power resource.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A light-operated switch circuit applied to an automatic illumination system of a library study room is characterized by comprising an input voltage control unit and a photosensitive control unit;
the output end of the input voltage control unit is connected with the input end of the photosensitive control unit;
the input voltage control unit comprises a transformer TR1, a rectifier bridge BR1, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a diode D1, a diode D2, an integrated circuit U1, a resistor R1 and a potentiometer RV 1;
a 1 st pin of the transformer TR1 is connected to an input voltage, a 2 nd pin of the transformer TR1 is connected to an input voltage, a 3 rd pin of the transformer TR1 is connected to a 2 nd pin of the rectifier bridge BR1, a 4 th pin of the transformer TR1 is connected to a 3 rd pin of the rectifier bridge BR1, a 1 st pin of the rectifier bridge BR1 is connected to one end of the capacitor C1, one end of the capacitor C2, one end of the capacitor C3, a 2 nd pin of the potentiometer RV1, a 3 rd pin of the potentiometer RV1, one end of the capacitor C4, and one end of the capacitor C5, a 4 th pin of the rectifier bridge BR1 is connected to the other end of the capacitor C6342, the other end of the capacitor C2, a 3 rd pin of the integrated circuit U1, and a negative electrode of the diode D1, a 2 nd pin of the integrated circuit U1 is connected to the other end of the capacitor C3, the potential RV1 st pin 1, and a negative electrode of the capacitor C1, respectively, One end of the resistor R1 is connected with the anode of the diode D2, and the 1 st pin of the integrated circuit U1 is respectively connected with the anode of the diode D1, the other end of the resistor R1, the cathode of the diode D2, the other end of the capacitor C4 and the other end of the capacitor C5;
the photosensitive control unit comprises a capacitor C6, a capacitor C7, a capacitor C8, a diode D3, a diode D4, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a photoresistor L DR1, a relay R L1, a one-way thyristor U2, a triode Q1, a triode Q2, a triode Q3 and a triode Q4;
one end of the relay R1 is respectively connected with a 1 st pin of the integrated circuit U, an anode of the diode D, the other end of the resistor R, a cathode of the diode D, the other end of the capacitor C, one end of the resistor R and one end of the resistor R, the other end of the relay R1 is connected with an A pole of the unidirectional silicon controlled rectifier U, a K pole of the unidirectional silicon controlled rectifier U is connected with a 1 st pin of the rectifier bridge BR, one end of the capacitor C, a 2 nd pin of the potentiometer RV, a 3 rd pin of the potentiometer RV, one end of the capacitor C, an emitter of the triode Q, one end of the capacitor C, an anode of the diode D, an emitter of the triode Q and an emitter of the triode Q are all grounded, the other end of the resistor R is respectively connected with a collector of the triode Q, a base of the resistor R and a collector of the other end of the triode R, the base of the resistor R and the collector of the other end of the triode Q are respectively connected with a base of the resistor R, a base of the resistor R and the base of the resistor R, the base of the other end of the triode R, the triode Q, the resistor R base of the resistor R and the resistor R base of the resistor R are respectively connected with a collector of the diode D, the collector of the triode Q, the resistor R base of the resistor R and the resistor R, the collector of the triode Q, the resistor R base of the other end of the triode Q, the resistor R base of the triode Q, the triode Q are connected with the resistor R, the collector of the resistor R base of the collector of the triode Q.
2. The light-operated switch circuit applied to the automatic illumination system of the library study room as claimed in claim 1, wherein the transformer TR1 is a 4-pin transformer.
3. The light control switch circuit as claimed in claim 1, wherein the integrated circuit U1 is a voltage regulator integrated circuit L M317.
4. The light-operated switch circuit applied to the automatic illumination system of the library study room as claimed in claim 1, wherein the potentiometer RV1 is a linear potentiometer.
5. The light-operated switch circuit applied to the automatic illumination system of the library study room as claimed in claim 1, wherein the capacitor C3 constitutes a filter circuit.
6. The light-operated switch circuit applied to the automatic illumination system of the study room of the library as claimed in claim 1, wherein the diode D2 constitutes a protection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921788393.1U CN210986540U (en) | 2019-10-23 | 2019-10-23 | Light-operated switch circuit applied to automatic illumination system of library study room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921788393.1U CN210986540U (en) | 2019-10-23 | 2019-10-23 | Light-operated switch circuit applied to automatic illumination system of library study room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210986540U true CN210986540U (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921788393.1U Expired - Fee Related CN210986540U (en) | 2019-10-23 | 2019-10-23 | Light-operated switch circuit applied to automatic illumination system of library study room |
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| Country | Link |
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| CN (1) | CN210986540U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113709942A (en) * | 2021-08-12 | 2021-11-26 | 南京帆风顺商贸有限公司 | LED road sign lamp control circuit |
-
2019
- 2019-10-23 CN CN201921788393.1U patent/CN210986540U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113709942A (en) * | 2021-08-12 | 2021-11-26 | 南京帆风顺商贸有限公司 | LED road sign lamp control circuit |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200710 |