CN200941605Y - Photoswitch of black light lamp - Google Patents
Photoswitch of black light lamp Download PDFInfo
- Publication number
- CN200941605Y CN200941605Y CN 200620085960 CN200620085960U CN200941605Y CN 200941605 Y CN200941605 Y CN 200941605Y CN 200620085960 CN200620085960 CN 200620085960 CN 200620085960 U CN200620085960 U CN 200620085960U CN 200941605 Y CN200941605 Y CN 200941605Y
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Abstract
The utility model discloses a black-light lamp light control switch, which comprises a light source, a light control switch circuit, and a driving circuit that can amplify the switch current from the light control switch. The on and off of the black-light lamp is automatically controlled by the sensitization of the photosensitive resistance R1, manual control is not needed, so the work intensity of the working personnel is relieved. The utility model has advantages of reliable performance, simple manufacture, low cost, and can be completely produced by conditioned disease and pest forecasting station and plant protection station.
Description
Technical field
The utility model relates to a kind of light-operated switch, relates in particular to a kind of light-operated switch that is applied to agriculture black light lamp switch.
Background technology
Black light lamp is a kind of special tool(s) of trapping insects, and the optical wavelength that black light lamp sends is 3600 to 4000 dusts.The crop pests adult of nocturnalisms such as most of Lepidopteras, coleoptera, Homoptera, responsive especially to the purple light of 3300 to 4000 these wave bands of dust, have very strong allure.Its operation principle be the phototaxis of utilizing insect the crop pests adult lure black light lamp around, by stopping of retaining worm plate, drop in the gatherer.Can carry out taxonomic revision, discriminatory analysis to the adult pest that lures collection, can therefrom summarize the master data of the situation such as time of origin, quantity of various insects in this area 1 year.According to the date that this data-speculative goes out each worm attitude of insect or the Sheng phase of causing harm occurs, so that the optimum period control.Thereby, play important effect to instructing the prediction preventing and controlling of crop pests.
Black light lamp both can be installed in field, land, the weeds clump, be widely used in the investigation of pest species investigation, distributed area and occurrence scope, the aspects such as epidemic monitoring of quarantine property insect, also can be directly installed on and lure worm to feed fish on the fishpond, the insect of trapping is collected the back as fish, poultry feed, can save a large amount of animal protein feeds, reduce production costs, increase economic efficiency.Black light lamp is installed in the place far away apart from the residential area more, and the personnel of observing and predicting carry out the unlatching control of black light lamp if desired, also need hurrying back and forth of long distance except taking the time, and labour intensity is very big, and is also very inconvenient.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of labour intensity that alleviates the personnel of observing and predicting, and avoids forgetting the switch black light lamp, can be at definite time automatic switch, and the low black light lamp light-operated switch of cost.
For achieving the above object, the technical solution of the utility model is: the black light lamp light-operated switch comprises power supply, photocontrol switching circuit, the drive circuit that the switching current that the photocontrol switching circuit is exported amplifies.Described photocontrol switching circuit comprises transistor BG1, and described drive circuit comprises transistor BG2, relay J.The collector electrode of described transistor BG1 is connected to the cathode output end of described power supply by resistance R 3, the base stage of described transistor BG1 is connected to the cathode output end of described power supply by resistance R 2, be provided with light-sensitive device between the base stage of described transistor BG1 and the ground, the grounded emitter of described transistor BG1; The base stage of described transistor BG2 is connected to the collector electrode of described transistor BG1, the direct ground connection of the emitter of described transistor BG2, the collector electrode of described transistor BG2 is connected to the anode tap of crystal diode D5, the cathode terminal of described crystal diode D5 is connected to the cathode output end of described power supply, the two ends of described crystal diode D5 relay J in parallel, the normally-closed contact of described relay and black light lamp are serially connected between the alternating current 220V electricity.
As a kind of improvement, described power supply comprises transformer T, current rectifying and wave filtering circuit, the elementary connection alternating current 220V civil power of described transformer, the secondary input that is connected to current rectifying and wave filtering circuit of described transformer, the cathode output end of described current rectifying and wave filtering circuit is as the cathode output end of power supply, and the cathode output end of described current rectifying and wave filtering circuit is as the cathode output end ground connection of power supply.
As a kind of further improvement, the light-sensitive device that is provided with between the base stage of described transistor BG1 and the ground is cadmium sulphide photoconductive cell R1.
Owing to adopt technique scheme, have when daytime under the situation of illumination, photo resistance R1 resistance diminishes, and transistor BG1 ends, and makes transistor BG2 conducting, the relay J adhesive, normally-closed contact disconnects, and black light lamp extinguishes; When night, it is big that photo resistance R1 resistance becomes, and transistor BG1 conducting ends transistor BG2, and relay J discharges, the normally-closed contact closure, and black light lamp is lighted.So the light on and off of black light lamp are to control automatically by the sensitization of photo resistance R1 fully, need not controlled by the people, have alleviated staff's working strength, dependable performance not only, and make simply, cost is low, and forecast of disease and pest with good conditionsi station, plant protection unit can be made by oneself fully.
Description of drawings
Accompanying drawing is the schematic diagram of the utility model embodiment.
Embodiment
As shown in drawings, the utility model comprises power supply, photocontrol switching circuit, the drive circuit that the switching current that the photocontrol switching circuit is exported amplifies.Described photocontrol switching circuit comprises transistor BG1, and described drive circuit comprises transistor BG2, relay J.The collector electrode of described transistor BG1 is connected to the cathode output end of described power supply by resistance R 3, the base stage of described transistor BG1 is connected to the cathode output end of described power supply by resistance R 2, be provided with cadmium sulphide photoconductive cell R1 between the base stage of described transistor BG1 and the ground, the grounded emitter of described transistor BG1; The base stage of described transistor BG2 is connected to the collector electrode of described transistor BG1, the direct ground connection of the emitter of described transistor BG2, the collector electrode of described transistor BG2 is connected to the anode tap of crystal diode D5, the cathode terminal of described crystal diode D5 is connected to the cathode output end of described power supply, the two ends of described crystal diode D5 relay J in parallel, the normally-closed contact of described relay and black light lamp are serially connected between the alternating current 220V electricity.
Described power supply comprises transformer T, current rectifying and wave filtering circuit.The elementary connection alternating current 220V civil power of described transformer, the secondary input that is connected to current rectifying and wave filtering circuit of described transformer, the cathode output end of described current rectifying and wave filtering circuit is as the cathode output end of power supply, the cathode output end of described current rectifying and wave filtering circuit is as the cathode output end ground connection of power supply, described current rectifying and wave filtering circuit comprises the bridge rectifier of being made up of D1-D4, the filtering capacitor C in parallel with described bridge rectifier output, the input of described bridge rectifier is connected to the secondary of transformer T.
This black light lamp light-operated switch should be installed in night intense light irradiation less than the place, daytime is when having illumination, photo resistance R1 resistance diminishes, transistor BG1 is in cut-off state, make transistor BG2 conducting, so relay J gets electric adhesive, the normally-closed contact of relay J disconnects, because the normally-closed contact of black light lamp and relay J is serially connected between the alternating current 220V electricity, this moment, this branch road disconnected, so black light lamp extinguishes; During night, photo resistance R1 resistance becomes big owing to can not get the illumination resistance, and transistor BG1 is in conducting state, and transistor BG2 is ended, and relay J discharges, the normally-closed contact closure of relay J, and black light lamp is lighted, operate as normal.
Claims (4)
1. black light lamp light-operated switch, comprise power supply, the photocontrol switching circuit, the drive circuit that the switching current that the photocontrol switching circuit is exported amplifies, described photocontrol switching circuit comprises transistor BG1, described drive circuit comprises transistor BG2, relay J, it is characterized in that: the collector electrode of described transistor BG1 is connected to the cathode output end of described power supply by resistance R 3, the base stage of described transistor BG1 is connected to the cathode output end of described power supply by resistance R 2, be provided with light-sensitive device between the base stage of described transistor BG1 and the ground, the grounded emitter of described transistor BG1; The base stage of described transistor BG2 is connected to the collector electrode of described transistor BG1, the direct ground connection of the emitter of described transistor BG2, the collector electrode of described transistor BG2 is connected to the anode tap of crystal diode D5, the cathode terminal of described crystal diode D5 is connected to the cathode output end of described power supply, the two ends of described crystal diode D5 relay J in parallel, the normally-closed contact of described relay and black light lamp are serially connected between the alternating current 220V electricity.
2. black light lamp light-operated switch as claimed in claim 1, it is characterized in that: described power supply comprises transformer T, current rectifying and wave filtering circuit, the elementary connection alternating current 220V civil power of described transformer, the secondary input that is connected to current rectifying and wave filtering circuit of described transformer, the cathode output end of described current rectifying and wave filtering circuit is as the cathode output end of power supply, and the cathode output end of described current rectifying and wave filtering circuit is as the cathode output end ground connection of power supply.
3. black light lamp light-operated switch as claimed in claim 2, it is characterized in that: described current rectifying and wave filtering circuit comprises the bridge rectifier of being made up of D1-D4, the filtering capacitor C in parallel with described bridge rectifier output, the input of described bridge rectifier is connected to the secondary of transformer T.
4. black light lamp light-operated switch as claimed in claim 1 is characterized in that: the light-sensitive device that is provided with between the base stage of described transistor BG1 and the ground is cadmium sulphide photoconductive cell R1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620085960 CN200941605Y (en) | 2006-06-19 | 2006-06-19 | Photoswitch of black light lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620085960 CN200941605Y (en) | 2006-06-19 | 2006-06-19 | Photoswitch of black light lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200941605Y true CN200941605Y (en) | 2007-08-29 |
Family
ID=38747779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620085960 Expired - Fee Related CN200941605Y (en) | 2006-06-19 | 2006-06-19 | Photoswitch of black light lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200941605Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102202451A (en) * | 2011-03-23 | 2011-09-28 | 朱虹 | Desk lamp capable of automatically controlling illumination |
| CN102522974A (en) * | 2012-01-02 | 2012-06-27 | 丁希庆 | Light-operated switching circuit |
| CN103401546A (en) * | 2013-07-13 | 2013-11-20 | 何林 | Universal light-operated switch |
| CN103716941A (en) * | 2012-09-29 | 2014-04-09 | 深圳市海洋王照明工程有限公司 | Light-operated street-lamp circuit |
| CN110868780A (en) * | 2019-10-24 | 2020-03-06 | 湖州灵粮生态农业有限公司 | Intelligent illumination compensator |
-
2006
- 2006-06-19 CN CN 200620085960 patent/CN200941605Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102202451A (en) * | 2011-03-23 | 2011-09-28 | 朱虹 | Desk lamp capable of automatically controlling illumination |
| CN102522974A (en) * | 2012-01-02 | 2012-06-27 | 丁希庆 | Light-operated switching circuit |
| CN103716941A (en) * | 2012-09-29 | 2014-04-09 | 深圳市海洋王照明工程有限公司 | Light-operated street-lamp circuit |
| CN103401546A (en) * | 2013-07-13 | 2013-11-20 | 何林 | Universal light-operated switch |
| CN110868780A (en) * | 2019-10-24 | 2020-03-06 | 湖州灵粮生态农业有限公司 | Intelligent illumination compensator |
| CN110868780B (en) * | 2019-10-24 | 2021-09-24 | 湖州灵粮生态农业有限公司 | Intelligent illumination compensator |
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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: 20070829 |