CN202158416U - Automatic light-adjusting table lamp - Google Patents
Automatic light-adjusting table lamp Download PDFInfo
- Publication number
- CN202158416U CN202158416U CN2011202566063U CN201120256606U CN202158416U CN 202158416 U CN202158416 U CN 202158416U CN 2011202566063 U CN2011202566063 U CN 2011202566063U CN 201120256606 U CN201120256606 U CN 201120256606U CN 202158416 U CN202158416 U CN 202158416U
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- tie point
- automatic light
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Abstract
The utility model discloses an automatic light-adjusting table lamp, which is characterized by comprising a manual light-adjusting unit, an automatic light-adjusting unit, a micro-adjusting unit and a light-adjusting switching unit. The manual light-adjusting unit is connected with the light-adjusting switching unit which is connected with the automatic light-adjusting unit, and the automatic light-adjusting unit is connected with the micro-adjusting unit. The automatic light-adjusting table lamp has the advantages that the table lamp can be manually adjusted after automatic light adjusting, thereby achieving an ideal state of users and enabling users to choose working mode of the table lamp according to requirements.
Description
Technical field
The utility model relates to a kind of desk lamp, especially relates to a kind of desk lamp with an automatic light meter.
Background technology
Desk lamp in the market can be divided into two kinds according to dimming mode, and a kind of is desk lamp with an automatic light meter, and another kind is common manual lamp dimmer.
The principle of desk lamp with an automatic light meter is to regulate desk lamp illumination through sensing surrounding environment illuminance from moving, but when self-regulating illumination can't satisfy part user's demand, can't finely tune desk lamp illumination.
Common manual lamp dimmer is generally regulated desk lamp illumination through the resistance of manual adjustments resistance; But this manual lamp dimmer has a significant disadvantages in use; The adjustment that is illumination is difficult for grasping; Light cross strong with cross a little less than all can user's eyesight be impacted, when light is crossed when strong also too much consumes electric power resource.
Summary of the invention
The utility model technical problem to be solved provides a kind of can the fine setting and the manual desk lamp with an automatic light meter of light modulation.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of desk lamp with an automatic light meter; Comprise illumination test cell, manual light modulation unit, unit with an automatic light meter, fine-adjusting unit and light modulation converting unit; Described illumination test cell is connected with described light modulation converting unit; Described light modulation converting unit is connected respectively with described manual light modulation unit, described unit with an automatic light meter, and described unit with an automatic light meter is connected with described fine-adjusting unit.
Described illumination test cell comprises power supply, single-pole single-throw switch (SPST), bulb, bridge rectifier, first fixed resistance, second fixed resistance, photo resistance; Described bridge rectifier comprises first tie point, second tie point, the 3rd tie point and the 4th tie point; First link of described single-pole single-throw switch (SPST) is connected with first link of described power supply; Second link of described single-pole single-throw switch (SPST) is connected with first link of described bulb; Second link of described bulb is connected with described first tie point; Second link of described power supply is connected with described the 3rd tie point; First link of described first fixed resistance is connected with described second tie point; First link of described second fixed resistance is connected with first link of described first fixed resistance, and first link of described photo resistance is connected with second link of described second fixed resistance, and described manual light modulation unit comprises first adjustable resistance and first controllable silicon; First link of described first adjustable resistance is connected with second link of described first fixed resistance; The described first silicon controlled anode is connected with first link of described first adjustable resistance, and described unit with an automatic light meter comprises commutation diode, electric capacity, second controllable silicon, and the anode of described commutation diode is connected with first link of described photo resistance; Described light modulation converting unit comprises single-pole double-throw switch (SPDT); First link of described single-pole double-throw switch (SPDT) is connected with the negative electrode of described commutation diode, and second link of described single-pole double-throw switch (SPDT) is connected with second link of described first adjustable resistance, and the 3rd link of described single-pole double-throw switch (SPDT) is connected with first link of described electric capacity; The described second silicon controlled anode is connected with first link of described electric capacity; The described second silicon controlled negative electrode is connected with described first silicon controlled control utmost point, and described second silicon controlled control is extremely unsettled, and described fine-adjusting unit comprises second adjustable resistance; First link of described second adjustable resistance is connected with second link of described photo resistance; Second link of described second adjustable resistance is connected with second link of described electric capacity, and second link of described electric capacity is connected with the described first silicon controlled negative electrode, and second link of described second adjustable resistance is connected with described the 4th tie point.
Compared with prior art, the advantage of the utility model is after with an automatic light meter, can carry out manual fine-tuning, reaches user's desirable user mode, can select the working method of desk lamp according to user's demand.
Description of drawings
Fig. 1 is the structure chart of the utility model;
Fig. 2 is the circuit diagram of the utility model.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As shown in the figure; A kind of desk lamp with an automatic light meter; Comprise illumination test cell 11, manual light modulation unit 22, unit with an automatic light meter 33, fine-adjusting unit 44 and light modulation converting unit 55; Described illumination test cell 11 is connected with described light modulation converting unit 55, and described light modulation converting unit 55 is connected respectively with described manual light modulation unit 22, described unit 33 with an automatic light meter, and described unit 33 with an automatic light meter is connected with described fine-adjusting unit 44.
As shown in Figure 2; Illumination test cell 11 comprises power supply S1, single-pole single-throw switch (SPST) J1, bulb X1, bridge rectifier D 1, the first fixed resistance R1, the second fixed resistance R2, photo resistance R3; Bridge rectifier D 1 comprises first tie point 1, second tie point 2, the 3rd tie point 3 and the 4th tie point 4; First link of single-pole single-throw switch (SPST) J1 is connected with first link of power supply S1; Second link of single-pole single-throw switch (SPST) J1 is connected with first link of bulb X1, and second link of bulb X1 is connected with first tie point 1, and second link of power supply S1 is connected with the 3rd tie point 3; First link of the first fixed resistance R1 is connected with second tie point 2; First link of the second fixed resistance R2 is connected with first link of the first fixed resistance R1, and first link of photo resistance R3 is connected with second link of the second fixed resistance R2, and manually light modulation unit 22 comprises the first adjustable resistance R4 and the first controllable silicon Q1; First link of the first adjustable resistance R4 is connected with second link of the first fixed resistance R1; The anode of the first controllable silicon Q1 is connected with first link of the first adjustable resistance R4, and unit 33 with an automatic light meter comprises commutation diode D2, capacitor C 1, the second controllable silicon Q2, and the anode of commutation diode D2 is connected with first link of photo resistance R3; Light modulation converting unit 55 comprises single-pole double-throw switch (SPDT) J2; First link of single-pole double-throw switch (SPDT) J2 is connected with the negative electrode of commutation diode D2, and second link of single-pole double-throw switch (SPDT) J2 is connected with second link of the first adjustable resistance R4, and the 3rd link of single-pole double-throw switch (SPDT) J2 is connected with first link of capacitor C 1; The anode of the second controllable silicon Q2 is connected with first link of capacitor C 1; The negative electrode of the second controllable silicon Q2 is connected with the control utmost point of the first controllable silicon Q1, and the control of the second controllable silicon Q2 is extremely unsettled, and fine-adjusting unit 44 comprises the second adjustable resistance R5; First link of the second adjustable resistance R5 is connected with second link of photo resistance R3; Second link of the second adjustable resistance R5 is connected with second link of capacitor C 1, and second link of capacitor C 1 is connected with the negative electrode of the first controllable silicon Q1, and second link of the second adjustable resistance R5 is connected with the 4th tie point 4.
The operation principle of the desk lamp of the utility model:, when selecting 22 work of manual light modulation unit, change the brightness of bulb X1 through the resistance of regulating the first variable resistor R4 through the working method of light modulation converting unit 55 selection desk lamps; When the resistance of the first variable resistor R4 increased, the angle of flow of the first controllable silicon Q1 increased, and the voltage at bulb X1 two ends increases; Bulb X1 brightens; Otherwise when the resistance of the first variable resistor R4 reduced, the angle of flow of the first controllable silicon Q1 reduced; The voltage at bulb X1 two ends reduces, bulb X1 deepening; When selecting unit with an automatic light meter 33 work, when dying down, ambient light can cause that the resistance of photo resistance R3 increases, the dividing potential drop that is added on the capacitor C 1 is risen; And then the angle of flow of the second controllable silicon Q2 is increased, and reach the purpose that increases bulb X1 voltage, promptly bulb X1 brightens; Otherwise if light on every side brightens, then the resistance of photo resistance R3 descends; Cause the angle of flow of the second controllable silicon Q2 to diminish, the voltage at bulb X1 two ends also descends simultaneously, makes bulb X1 deepening; Thereby realize control, when unit 33 with an automatic light meter can't reach user's ideal use brightness, can carry out manual fine-tuning through fine-adjusting unit 44 to lamp illuminance; The resistance that changes the second adjustable resistance R5 is regulated the voltage at bulb X1 two ends, realizes the brightness fine setting to bulb X1.
Claims (2)
1. desk lamp with an automatic light meter; It is characterized in that comprising illumination test cell, manual light modulation unit, unit with an automatic light meter, fine-adjusting unit and light modulation converting unit; Described illumination test cell is connected with described light modulation converting unit; Described light modulation converting unit is connected respectively with described manual light modulation unit, described unit with an automatic light meter, and described unit with an automatic light meter is connected with described fine-adjusting unit.
2. desk lamp with an automatic light meter according to claim 1; It is characterized in that described illumination test cell comprises power supply, single-pole single-throw switch (SPST), bulb, bridge rectifier, first fixed resistance, second fixed resistance, photo resistance; Described bridge rectifier comprises first tie point, second tie point, the 3rd tie point and the 4th tie point; First link of described single-pole single-throw switch (SPST) is connected with first link of described power supply; Second link of described single-pole single-throw switch (SPST) is connected with first link of described bulb; Second link of described bulb is connected with described first tie point; Second link of described power supply is connected with described the 3rd tie point; First link of described first fixed resistance is connected with described second tie point; First link of described second fixed resistance is connected with first link of described first fixed resistance, and first link of described photo resistance is connected with second link of described second fixed resistance, and described manual light modulation unit comprises first adjustable resistance and first controllable silicon; First link of described first adjustable resistance is connected with second link of described first fixed resistance; The described first silicon controlled anode is connected with first link of described first adjustable resistance, and described unit with an automatic light meter comprises commutation diode, electric capacity, second controllable silicon, and the anode of described commutation diode is connected with first link of described photo resistance; Described light modulation converting unit comprises single-pole double-throw switch (SPDT); First link of described single-pole double-throw switch (SPDT) is connected with the negative electrode of described commutation diode, and second link of described single-pole double-throw switch (SPDT) is connected with second link of described first adjustable resistance, and the 3rd link of described single-pole double-throw switch (SPDT) is connected with first link of described electric capacity; The described second silicon controlled anode is connected with first link of described electric capacity; The described second silicon controlled negative electrode is connected with described first silicon controlled control utmost point, and described second silicon controlled control is extremely unsettled, and described fine-adjusting unit comprises second adjustable resistance; First link of described second adjustable resistance is connected with second link of described photo resistance; Second link of described second adjustable resistance is connected with second link of described electric capacity, and second link of described electric capacity is connected with the described first silicon controlled negative electrode, and second link of described second adjustable resistance is connected with described the 4th tie point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202566063U CN202158416U (en) | 2011-07-20 | 2011-07-20 | Automatic light-adjusting table lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202566063U CN202158416U (en) | 2011-07-20 | 2011-07-20 | Automatic light-adjusting table lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202158416U true CN202158416U (en) | 2012-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202566063U Expired - Fee Related CN202158416U (en) | 2011-07-20 | 2011-07-20 | Automatic light-adjusting table lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202158416U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104411068A (en) * | 2014-12-05 | 2015-03-11 | 天津光电华典科技有限公司 | Intelligent fine dimming dental chair oral lamp and dimming method |
-
2011
- 2011-07-20 CN CN2011202566063U patent/CN202158416U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104411068A (en) * | 2014-12-05 | 2015-03-11 | 天津光电华典科技有限公司 | Intelligent fine dimming dental chair oral lamp and dimming method |
| CN104411068B (en) * | 2014-12-05 | 2017-11-07 | 天津光电华典科技有限公司 | A kind of Intelligent fine light adjusting type tooth chair mouth lamp and light-dimming method |
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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: 20120307 Termination date: 20140720 |
|
| EXPY | Termination of patent right or utility model |