CN205071376U - A automatic switch for street lamp - Google Patents
A automatic switch for street lamp Download PDFInfo
- Publication number
- CN205071376U CN205071376U CN201520737539.5U CN201520737539U CN205071376U CN 205071376 U CN205071376 U CN 205071376U CN 201520737539 U CN201520737539 U CN 201520737539U CN 205071376 U CN205071376 U CN 205071376U
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- resistance
- electric capacity
- integrated circuit
- base integrated
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- 230000002457 bidirectional effect Effects 0.000 claims abstract description 16
- 230000000087 stabilizing effect Effects 0.000 claims description 10
- 238000007599 discharging Methods 0.000 abstract description 3
- 230000003111 delayed effect Effects 0.000 abstract 3
- 230000003760 hair shine Effects 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 abstract 1
- 238000005286 illumination Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses an automatic switch for street lamp, including alternating current power supply, switch, first bulb, second bulb, bidirectional thyristor, first resistance to the 8th resistance, first electric capacity to fourth electric capacity, diode, zener diode, time -base integrated circuit, photo resistance summation potential ware, time -base integrated circuit, the 5th resistance, the 7th resistance, third electric capacity and fourth electric capacity are constituteed and are taken delayed schmidt trigger, and the change of the resistance through the photo resistance comes switch -on or disconnection bidirectional thyristor to come control circuit. The utility model discloses well time -base integrated circuit, the 5th resistance, the 7th resistance, third electric capacity and fourth electric capacity are formed and are taken delayed schmidt trigger, and schmidt trigger can eliminate the scintillation of street lamp and send out optical phenomena when the critical luminance, is used for delayed fourth electric capacity among this automatic switch, and when the night that can avoid red -letter day discharging fireworks and fireworks, luminance takes place the rapid change and makes the lamp scintillation that shines or go out appear around because of, and the street lamp that leads to the fact damage.
Description
Technical field
The utility model relates to a kind of automatic switch, particularly relates to a kind of automatic switch for street lamp.
Background technology
The light fixture that road provides illumination functions showed by street lamp, light fixture in general reference traffic lighting in the illumination zone of road surface, infield is common in the one-sided or both sides of road, be often referred to and be contained on post, one in a series of lamps discrete on street or highway, be arranged on road other for illuminating lamp, street lamp is all provided with automatic switch, conventional road lamp is all sensitive street lamp, the automatic switch of conventional road lamp is when critical luminance, the flashing phenomenon of easy generation street lamp, and when discharging fireworks and fireworks the night in red-letter day, surrounding brightness occurs sharply to change and easily makes street lamp occur scintillation that is bright or that go out, cause the damage of street lamp.
Utility model content
The purpose of this utility model is just to provide a kind of automatic switch for street lamp to solve the problem.
In order to achieve the above object, the utility model have employed following technical scheme:
A kind of automatic switch for street lamp, comprise AC power, switch, first bulb, second bulb, bidirectional triode thyristor, first resistance is to the 8th resistance, first electric capacity is to the 4th electric capacity, diode, voltage stabilizing didoe, time-base integrated circuit, photo resistance and potentiometer, the first end of described AC power is connected with the first end of described switch, second end of described AC power respectively with the first end of described first bulb, the first end of described second bulb is connected with the first end of described 4th resistance, second end of described switch respectively with the first end of described first resistance, the first end of described second resistance, the first end of described potentiometer, the sliding end of described potentiometer, the first end of described 6th resistance, the power supply negative terminal of described time-base integrated circuit, the first end of described 3rd electric capacity is connected with the first anode of described bidirectional triode thyristor, second end of described first bulb is connected with the second end of described second bulb and the second plate of described bidirectional triode thyristor respectively, second end of described 4th resistance is connected with the first end of described 3rd resistance and the first end of described second electric capacity respectively, second end of described 3rd resistance is connected with the second end of described second electric capacity and the positive pole of described diode respectively, the negative pole of described diode respectively with the first end of described first electric capacity, the negative pole of described voltage stabilizing didoe, the reset terminal of described time-base integrated circuit, the power positive end of described time-base integrated circuit is connected with the first end of described photo resistance, second end of described first resistance is connected with the second end of described first electric capacity, second end of described second resistance is connected with the positive pole of described voltage stabilizing didoe, the control end of described bidirectional triode thyristor is connected with the first end of described 5th resistance, second end of described 5th resistance is connected with the output of described time-base integrated circuit, the voltage controling end of described time-base integrated circuit is connected with the second end of described 3rd electric capacity, the trigger end of described time-base integrated circuit respectively with the threshold value input of described time-base integrated circuit, the first end of described 4th electric capacity is connected with the first end of described 7th resistance, second end of described 4th electric capacity is connected with the second end of described 6th resistance, second end of described 7th resistance is connected with the second end of described photo resistance and the first end of described 8th resistance respectively, described second end of the 8th resistance is connected with the second end of described potentiometer.
In said structure, the Schmidt trigger of time-base integrated circuit, the 5th resistance, the 7th resistance, the 3rd electric capacity and the 4th electric capacity composition band time delay, Schmidt trigger can when critical luminance, eliminate the flashing phenomenon of street lamp, for the 4th electric capacity of time delay in this automatic switch, when can avoid discharge fireworks and fireworks the night in red-letter day, make lamp occur scintillation that is bright or that go out because surrounding brightness occurs sharply to change, and the street lamp caused damage.
The beneficial effects of the utility model are:
The utility model is a kind of automatic switch for street lamp, the Schmidt trigger of time-base integrated circuit, the 5th resistance, the 7th resistance, the 3rd electric capacity and the 4th electric capacity composition band time delay in this automatic switch, Schmidt trigger can when critical luminance, eliminate the flashing phenomenon of street lamp, for the 4th electric capacity of time delay in this automatic switch, when can avoid discharge fireworks and fireworks the night in red-letter day, make lamp occur scintillation that is bright or that go out because surrounding brightness occurs sharply to change, and the street lamp caused damage.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of a kind of automatic switch for street lamp of the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, a kind of automatic switch for street lamp of the utility model, comprise AC power AC, switch S, first bulb L1, second bulb L2, bidirectional triode thyristor SCR, first resistance R1 is to the 8th resistance R8, first electric capacity C1 is to the 4th electric capacity C4, diode D, voltage stabilizing didoe ZD, time-base integrated circuit IC, photo resistance RT and potentiometer RP, the first end of AC power AC is connected with the first end of switch S, second end of AC power AC respectively with the first end of the first bulb L1, the first end of the second bulb L2 is connected with the first end of the 4th resistance R4, second end of switch S respectively with the first end of the first resistance R1, the first end of the second resistance R2, the first end of potentiometer RP, the sliding end of potentiometer RP, the first end of the 6th resistance R6, the power supply negative terminal of time-base integrated circuit IC, the first end of the 3rd electric capacity C3 is connected with the first anode of bidirectional triode thyristor SCR, second end of the first bulb L1 is connected with second end of the second bulb L2 and the second plate of bidirectional triode thyristor SCR respectively, second end of the 4th resistance R4 is connected with the first end of the 3rd resistance R3 and the first end of the second electric capacity C2 respectively, second end of the 3rd resistance R3 is connected with second end of the second electric capacity C2 and the positive pole of diode D respectively, the negative pole of diode D respectively with the first end of the first electric capacity C1, the negative pole of voltage stabilizing didoe ZD, the reset terminal of time-base integrated circuit IC, the power positive end of time-base integrated circuit IC is connected with the first end of photo resistance RT, second end of the first resistance R1 is connected with second end of the first electric capacity C1, second end of the second resistance R2 is connected with the positive pole of voltage stabilizing didoe ZD, the control end of bidirectional triode thyristor SCR is connected with the first end of the 5th resistance R5, second end of the 5th resistance R5 is connected with the output of time-base integrated circuit IC, the voltage controling end of time-base integrated circuit IC is connected with second end of the 3rd electric capacity C3, the trigger end of time-base integrated circuit IC respectively with the threshold value input of time-base integrated circuit IC, the first end of the 4th electric capacity C4 is connected with the first end of the 7th resistance R7, second end of the 4th electric capacity C4 is connected with second end of the 6th resistance R6, second end of the 7th resistance R7 is connected with second end of photo resistance RT and the first end of the 8th resistance R8 respectively, second end of the 8th resistance R8 is connected with second end of potentiometer RP.
Operation principle of the present utility model is as follows:
3rd resistance R3, 4th resistance R4, first electric capacity C1, second electric capacity C2, diode D and voltage stabilizing didoe ZD forms 12V power supply, for whole circuit provides supply voltage, time-base integrated circuit IC, 5th resistance R5, 7th resistance R7, 3rd electric capacity C3 and the 4th electric capacity C4 forms the Schmidt trigger of band time delay, photo resistance RG is for detecting the brightness of surrounding environment, during dusk, the brightness of surrounding environment is dimmed gradually, the resistance of photo resistance RG also becomes large thereupon, the current potential of the trigger end of time-base integrated circuit IC and the threshold value input of time-base integrated circuit IC reduces gradually, when current potential is less than 1/3 supply voltage, the output of time-base integrated circuit IC exports high level, bidirectional triode thyristor SCR is triggered conducting, the first bulb L1 in street lamp, second bulb L2 obtains electric being lit, to morning, sky brightens gradually, the resistance of photo resistance RG diminishes gradually, the current potential of the trigger end of time-base integrated circuit IC and the threshold value input of time-base integrated circuit IC raises gradually, when current potential is higher than 2/3 supply voltage, the output output low level of time-base integrated circuit IC, bidirectional triode thyristor SCR ends, the first bulb L1 in street lamp, second bulb L2 extinguishes, Schmidt trigger can when critical luminance, eliminate the flashing phenomenon of lamp, simultaneously, night in order to avoid red-letter day is when discharging fireworks and fireworks, surrounding brightness is made to occur sharply change and make lamp occur scintillation that is bright or that go out, specially time delay the 4th electric capacity C4 has been added in circuit.
Claims (1)
1. the automatic switch for street lamp, it is characterized in that: comprise AC power, switch, first bulb, second bulb, bidirectional triode thyristor, first resistance is to the 8th resistance, first electric capacity is to the 4th electric capacity, diode, voltage stabilizing didoe, time-base integrated circuit, photo resistance and potentiometer, the first end of described AC power is connected with the first end of described switch, second end of described AC power respectively with the first end of described first bulb, the first end of described second bulb is connected with the first end of described 4th resistance, second end of described switch respectively with the first end of described first resistance, the first end of described second resistance, the first end of described potentiometer, the sliding end of described potentiometer, the first end of described 6th resistance, the power supply negative terminal of described time-base integrated circuit, the first end of described 3rd electric capacity is connected with the first anode of described bidirectional triode thyristor, second end of described first bulb is connected with the second end of described second bulb and the second plate of described bidirectional triode thyristor respectively, second end of described 4th resistance is connected with the first end of described 3rd resistance and the first end of described second electric capacity respectively, second end of described 3rd resistance is connected with the second end of described second electric capacity and the positive pole of described diode respectively, the negative pole of described diode respectively with the first end of described first electric capacity, the negative pole of described voltage stabilizing didoe, the reset terminal of described time-base integrated circuit, the power positive end of described time-base integrated circuit is connected with the first end of described photo resistance, second end of described first resistance is connected with the second end of described first electric capacity, second end of described second resistance is connected with the positive pole of described voltage stabilizing didoe, the control end of described bidirectional triode thyristor is connected with the first end of described 5th resistance, second end of described 5th resistance is connected with the output of described time-base integrated circuit, the voltage controling end of described time-base integrated circuit is connected with the second end of described 3rd electric capacity, the trigger end of described time-base integrated circuit respectively with the threshold value input of described time-base integrated circuit, the first end of described 4th electric capacity is connected with the first end of described 7th resistance, second end of described 4th electric capacity is connected with the second end of described 6th resistance, second end of described 7th resistance is connected with the second end of described photo resistance and the first end of described 8th resistance respectively, described second end of the 8th resistance is connected with the second end of described potentiometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520737539.5U CN205071376U (en) | 2015-09-22 | 2015-09-22 | A automatic switch for street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520737539.5U CN205071376U (en) | 2015-09-22 | 2015-09-22 | A automatic switch for street lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205071376U true CN205071376U (en) | 2016-03-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520737539.5U Expired - Fee Related CN205071376U (en) | 2015-09-22 | 2015-09-22 | A automatic switch for street lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205071376U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107608274A (en) * | 2017-10-23 | 2018-01-19 | 江西爱越智能科技有限公司 | A kind of wisdom hotel guest room controls Internet of things system |
-
2015
- 2015-09-22 CN CN201520737539.5U patent/CN205071376U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107608274A (en) * | 2017-10-23 | 2018-01-19 | 江西爱越智能科技有限公司 | A kind of wisdom hotel guest room controls Internet of things system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20160922 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |