CN2336366Y - Three color indicating device for voltage of power supply - Google Patents
Three color indicating device for voltage of power supply Download PDFInfo
- Publication number
- CN2336366Y CN2336366Y CN 98215698 CN98215698U CN2336366Y CN 2336366 Y CN2336366 Y CN 2336366Y CN 98215698 CN98215698 CN 98215698 CN 98215698 U CN98215698 U CN 98215698U CN 2336366 Y CN2336366 Y CN 2336366Y
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- CN
- China
- Prior art keywords
- voltage
- power supply
- utility
- model
- triode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003990 capacitor Substances 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 6
- 239000003086 colorant Substances 0.000 abstract description 3
- 238000004020 luminiscence type Methods 0.000 abstract 1
- 230000006798 recombination Effects 0.000 abstract 1
- 238000005215 recombination Methods 0.000 abstract 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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- Measurement Of Current Or Voltage (AREA)
Abstract
The utility model relates to a three-color indicating device for voltage of a power supply. The utility model comprises a rectifying circuit, a filter circuit, a display circuit, and a transistor amplifying circuit. The utility model can use that when the transistor is the different operating states, the transistor has different requirements for the base voltage to realize that the voltage of the power supply can approximately be divided into three segments of too high voltage, normal voltage, too low voltage; three different colors of a recombination luminescence diode can respectively be indicated; thereby, the utility model can solve the shortcoming problem that the simple power supply indication can only display the existing condition of the power supply and can not display the approximate range of the voltage; the utility model can be used as a simple indicating device for voltage of the power supply and the utility model can be used for all kinds of electrical appliance. The utility model has the characteristics of simple structure, convenient operation, reliable and stable operation, long service life, etc.
Description
The utility model relates to a kind of can not only having or not by display power supply voltage, voltage can also be divided into the supply voltage three look indicators that three sections (too high, normally, low excessively) show with three kinds of different colours.
The easy supply voltage indicator of tradition is generally to be parallel in the power supply behind the dropping resistor series connection light emitting diode and goes, and is used to refer to having or not of power supply.Its weak point is, because the instability of components and parts performance easily causes damage, serviceable life is short; Its two, can only display power supply have or not approximate range that can't display power supply voltage height.
Its purpose of the utility model just be to provide a kind of can display power supply have or not, supply voltage can be divided into again too high, normal, cross the supply voltage three look indicating devices of low three sections demonstrations.
The technical scheme that realizes above-mentioned purpose and take comprises rectification circuit D
1～D
4, filter capacitor C
2, display circuit, the triode V base stage of amplifying circuit meets biasing resistor R
1With diode D
5Resistance R
2Between, triode V emitter sending and receiving optical diode R, triode V collector one road connecting resistance R
3, another road is through diode D
6Sending and receiving optical diode G.
The utility model is described in further detail below in conjunction with accompanying drawing.
Accompanying drawing is this device electrical schematic diagram.
This device circuit structure comprises rectification circuit D
1～D
4, filter capacitor C
2, display circuit, the triode V base stage of amplifying circuit meets biasing resistor R
1With diode D
5Resistance R
2Between, triode V emitter sending and receiving optical diode R, triode V collector one road connecting resistance R
3, another road is through diode D
6Sending and receiving optical diode G.
Its principle of work is capacitor C
1After the alternating voltage reduction, through D
1～D
4Rectification and capacitor C
2Filtering becomes direct current, and bias pressure resistance R thereafter suitably is set
1And R
2, when alternating voltage was too high, the also corresponding raising of triode V base bias voltage made triode V saturation conduction, and this moment, only light emitting diode R was luminous, and is shown in red, shows that supply voltage is too high; When alternating voltage just often, biasing circuit makes triode V be in magnifying state, this moment, light emitting diode R and G had electric current to flow through and luminous simultaneously because triode V has certain tube voltage drop, synthesized orangely, showed that supply voltage is normal; Cross when low when alternating voltage, triode V base bias voltage is also lower, and triode V is in cut-off state, and only have electric current among the light emitting diode G this moment, shown in green, shows that supply voltage is low excessively.
After installing this indicator additional, can help the user correctly and safely to use power supply, be example with electric main 220V power supply, the circuit major parameter is set is capacitor C
2Be 100 μ F, 25V, resistance R
1Be 15～22K Ω, resistance R
2Be 2.2～3.3K Ω resistance, R
3Be 1K Ω.User's decapacitation according to pilot lamp whether luminous understand whether have a power failure outside, can also roughly judge the residing scope of supply voltage at that time according to the color of light that pilot lamp sends.When being green when pilot lamp, expression voltage is not more than 190V, reminds user's brownout this moment, careful electrical equipment with great start-up currents such as air-conditioning, refrigerators; When pilot lamp when being orange, inform that user's voltage this moment is normal; When pilot lamp was redness, expression voltage was higher than 220V, reminded user's overtension this moment, and electrical equipment uses also must be careful, particularly the electric heating electric appliances.
This device also can be used for all kinds of electric equipment products and does the simple and easy indication of voltage, as the supply socket of wall type concealed installation.Also can be used for the improvement of original power light on all kinds of electric equipment products, after using this indicator instead, " have or not " on the basis of function at the indication power supply that keeps former pilot lamp, increased the roughly function for monitoring of scope of living in of supply voltage, help reducing electric equipment products damage in use.
Compared with prior art this device has the following advantages:
1, since when having adopted triode to be in the different operating state to the different requirements of base voltage, Realized with supply voltage roughly be divided into too high, normal, cross low three sections, with composite LED Three kinds of different colours indicate respectively, thus have easy to use, the reliable characteristics of working stability.
2, owing to adopted triode directly to connect each components and parts, thereby has simple in structure, volume The advantage little, that cost is low, power consumptive province, life-span are long.
Claims (2)
1, a kind of supply voltage three look indicators comprise rectification circuit D
1～D
4, filter capacitor C
2, display circuit is characterized in that, the triode V base stage of amplifying circuit meets biasing resistor R
1With diode D
5Resistance R
2Between, triode V emitter sending and receiving optical diode R, triode V collector one road connecting resistance R
3, another road is through diode D
6Sending and receiving optical diode G.
2, supply voltage three look indicators according to claim 1 is characterized in that biasing resistor is set to R
115～22K Ω, R
22.2～3.3K Ω, R
31K Ω, filter capacitor C
2Be set to 100 μ F, 25V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98215698 CN2336366Y (en) | 1998-06-18 | 1998-06-18 | Three color indicating device for voltage of power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98215698 CN2336366Y (en) | 1998-06-18 | 1998-06-18 | Three color indicating device for voltage of power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2336366Y true CN2336366Y (en) | 1999-09-01 |
Family
ID=33968900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98215698 Expired - Fee Related CN2336366Y (en) | 1998-06-18 | 1998-06-18 | Three color indicating device for voltage of power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2336366Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6816975B1 (en) | 1999-09-10 | 2004-11-09 | Sony Computer Entertainment Inc. | Status display for temperature regulation of processing unit using LEDs of different color |
| CN100375055C (en) * | 2004-10-21 | 2008-03-12 | 联想(北京)有限公司 | Computer state indication method and apparatus |
| CN1991396B (en) * | 2005-12-30 | 2010-05-05 | 鸿富锦精密工业（深圳）有限公司 | Voltage detection device |
| CN104090203A (en) * | 2014-07-23 | 2014-10-08 | 南车戚墅堰机车有限公司 | Novel control loop grounding detection circuit |
| CN107765192A (en) * | 2017-09-28 | 2018-03-06 | 成都隆航科技有限公司 | A kind of monitoring device for the voltage x current for being applicable power supply |
| CN111656201A (en) * | 2018-01-29 | 2020-09-11 | 3M创新有限公司 | Voltage indicator |
-
1998
- 1998-06-18 CN CN 98215698 patent/CN2336366Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6816975B1 (en) | 1999-09-10 | 2004-11-09 | Sony Computer Entertainment Inc. | Status display for temperature regulation of processing unit using LEDs of different color |
| CN100375055C (en) * | 2004-10-21 | 2008-03-12 | 联想(北京)有限公司 | Computer state indication method and apparatus |
| CN1991396B (en) * | 2005-12-30 | 2010-05-05 | 鸿富锦精密工业（深圳）有限公司 | Voltage detection device |
| CN104090203A (en) * | 2014-07-23 | 2014-10-08 | 南车戚墅堰机车有限公司 | Novel control loop grounding detection circuit |
| CN107765192A (en) * | 2017-09-28 | 2018-03-06 | 成都隆航科技有限公司 | A kind of monitoring device for the voltage x current for being applicable power supply |
| CN111656201A (en) * | 2018-01-29 | 2020-09-11 | 3M创新有限公司 | Voltage indicator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |