CN205049720U - General type detection circuitry of alternating current -direct current lamps and lanterns - Google Patents
General type detection circuitry of alternating current -direct current lamps and lanterns Download PDFInfo
- Publication number
- CN205049720U CN205049720U CN201520779620.XU CN201520779620U CN205049720U CN 205049720 U CN205049720 U CN 205049720U CN 201520779620 U CN201520779620 U CN 201520779620U CN 205049720 U CN205049720 U CN 205049720U
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- photoelectrical coupler
- terminal
- direct current
- alternating current
- resistor
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Abstract
The utility model discloses a general type detection circuitry of alternating current -direct current lamps and lanterns, including dipolar conduit bridge D1, resistor R1, optoelectronic coupler U1 and resistor R2, dipolar conduit bridge D1's a, B end link circuit collection end V1, V2, resistor R1's one end is connected between return circuit collection end V1 and dipolar conduit bridge D1's an end, the other end is connected with negative pole end 4 with optoelectronic coupler U1's diode positive terminal 1, optoelectronic coupler U1's diode negative pole end 2 and positive terminal 3 are connected between return circuit collection end V2 and dipolar conduit bridge D1's b end, optoelectronic coupler U1's triode emitter terminal 5 and emitter terminal 7 ground connection, optoelectronic coupler U1's triode collector end 6 and collector terminal 8 connect the singlechip port, optoelectronic coupler U1's triode collector end 6 and collector terminal 8 are connected to resistance R2's one end, and working power supply is connected to the other end. The advantage: the detection of the adaptable alternating current -direct current lamps and lanterns of this general type detection circuitry of alternating current -direct current lamps and lanterns has extremely strong commonality.
Description
Technical field
The utility model relates to the universal testing circuit of a kind of alternating current-direct current light fixture.
Background technology
At present, existing AC light testing circuit adopts current transformer, voltage transformer (VT) by big current, high voltage is converted to small area analysis, low-voltage is sampled; Direct current light fixture testing circuit adopts resistance type current sampling.But existing light fixture testing circuit exists following not enough: (1) AC light and direct current light fixture are respectively to there being respective testing circuit, and testing circuit does not have versatility.
Utility model content
For the problems referred to above that prior art exists, the utility model provides a kind of alternating current-direct current light fixture universal testing circuit.
To achieve these goals, the utility model adopts following technical scheme: the universal testing circuit of a kind of alternating current-direct current light fixture, comprise diode bridge D1, resistor R1, photoelectrical coupler U1 and resistor R2, the a of diode bridge D1, b holds link circuit collection terminal V1, V2, one end of resistor R1 is connected between a end of loop collection terminal V1 and diode bridge D1, the other end is connected with negative pole end 4 with the diode cathode end 1 of photoelectrical coupler U1, the diode cathode end 2 of photoelectrical coupler U1 and positive terminal 3 are connected between the b end of loop collection terminal V2 and diode bridge D1, the triode emission extreme 5 of photoelectrical coupler U1 and emitter terminal 7 ground connection, the transistor collector end 6 of photoelectrical coupler U1 is connected one-chip machine port with collector terminal 8, one end of resistance R2 connects transistor collector end 6 and the collector terminal 8 of photoelectrical coupler U1, the other end connects working power.
Owing to adopting technique scheme, the utility model has following beneficial effect: the universal testing circuit of this alternating current-direct current light fixture can adapt to the detection of alternating current-direct current light fixture, save the kind of testing circuit, the universal testing circuit of this alternating current-direct current light fixture has extremely strong versatility.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the universal testing circuit of the utility model alternating current-direct current light fixture.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, the universal testing circuit of a kind of alternating current-direct current light fixture, comprise diode bridge D1, resistor R1, photoelectrical coupler U1 and resistor R2, the a of diode bridge D1, b holds link circuit collection terminal V1, V2, one end of resistor R1 is connected between a end of loop collection terminal V1 and diode bridge D1, the other end is connected with negative pole end 4 with the diode cathode end 1 of photoelectrical coupler U1, the diode cathode end 2 of photoelectrical coupler U1 and positive terminal 3 are connected between the b end of loop collection terminal V2 and diode bridge D1, the triode emission extreme 7 of photoelectrical coupler U1 and emitter terminal 5 ground connection, the transistor collector end 8 of photoelectrical coupler U1 is connected one-chip machine port with collector terminal 6, one end of resistance R2 connects transistor collector end 6 and the collector terminal 8 of photoelectrical coupler U1, and the other end connects working power.
Implementation procedure of the present utility model is: V1, V2 are loop collection terminal, and electric current forms loop by diode bridge D1, and forms pressure drop at a, b end of diode bridge D1, and this voltage drives photoelectrical coupler U1 by current-limiting resistance R1; When V1, V2 end has electric current time, the output terminal output low level of photoelectrical coupler U1, to one-chip machine port, can be judged as that light fixture is normal; When V1, V2 end is currentless time, the output terminal of photoelectrical coupler U1 exports high level to one-chip machine port, can be judged as that light fixture is abnormal.
When the light fixture access exchanged, the polarity of loop collection terminal V1 be just, the polarity of V2 is for time negative, electric current forms pressure drop at a, b end of diode bridge D1, this voltage connects diode cathode end 1 and the negative pole end 2 of photoelectrical coupler U1 by current-limiting resistance R1, drive photoelectrical coupler U1, and make transistor collector end 8 and emitter terminal 7 conducting of photoelectrical coupler U1, thus photoelectrical coupler U1 output low level is to one-chip machine port, can be judged as that light fixture is normal; The polarity of loop collection terminal V2 be just, the polarity of V1 is for time negative, electric current forms pressure drop at a, b end of diode bridge D1, this voltage connects diode cathode end 3 and the negative pole end 4 of photoelectrical coupler U1 by current-limiting resistance R1, drive photoelectrical coupler U1, and make transistor collector end 6 and emitter terminal 5 conducting of photoelectrical coupler U1, thus photoelectrical coupler U1 output low level is to one-chip machine port, can be judged as that light fixture is normal.
When the light fixture access of direct current, the polarity of loop collection terminal V1 be just, the polarity of V2 is for time negative, electric current forms pressure drop at a, b end of diode bridge D1, this voltage connects diode cathode end 1 and the negative pole end 2 of photoelectrical coupler U1 by current-limiting resistance R1, drive photoelectrical coupler U1, and make transistor collector end 8 and emitter terminal 7 conducting of photoelectrical coupler U1, thus photoelectrical coupler U1 output low level is to one-chip machine port, can be judged as that light fixture is normal; The polarity of loop collection terminal V2 be just, the polarity of V1 is for time negative, electric current forms pressure drop at a, b end of diode bridge D1, this voltage connects diode cathode end 4 and the positive terminal 3 of photoelectrical coupler U1 by current-limiting resistance R1, drive photoelectrical coupler U1, and make transistor collector end 6 and emitter terminal 5 conducting of photoelectrical coupler U1, thus photoelectrical coupler U1 output low level is to one-chip machine port, can be judged as that light fixture is normal.
The universal testing circuit of this alternating current-direct current light fixture can adapt to the detection of alternating current-direct current light fixture, saves the kind of testing circuit, and the universal testing circuit of this alternating current-direct current light fixture has extremely strong versatility.
In description of the present utility model, " polarity for just ", " polarity be negative ", " end 1 ", " end 2 ", " end 3 ", " end 4 ", " end 5 ", " end 6 ", " holding 7 ", " holding 8 " term are the utility model and simplified characterization for convenience of description, therefore can not be interpreted as restriction of the present utility model.
Below be only embody rule example of the present utility model, all employings be equal to replace and or the technical scheme of equivalent transformation form, all drop within the utility model scope required for protection.
Claims (2)
1. the universal testing circuit of alternating current-direct current light fixture, it is characterized in that comprising diode bridge D1, resistor R1, photoelectrical coupler U1 and resistor R2, the a of diode bridge D1, b holds link circuit collection terminal V1, V2, one end of resistor R1 is connected between a end of loop collection terminal V1 and diode bridge D1, the other end is connected with negative pole end 4 with the diode cathode end 1 of photoelectrical coupler U1, the diode cathode end 2 of photoelectrical coupler U1 and positive terminal 3 are connected between the b end of loop collection terminal V2 and diode bridge D1, the triode emission extreme 5 of photoelectrical coupler U1 and emitter terminal 7 ground connection, the transistor collector end 6 of photoelectrical coupler U1 is connected one-chip machine port with collector terminal 8.
2. the universal testing circuit of a kind of alternating current-direct current light fixture according to claim 1, is characterized in that: a, b of described diode bridge D1 hold link circuit collection terminal V1, V2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520779620.XU CN205049720U (en) | 2015-09-30 | 2015-09-30 | General type detection circuitry of alternating current -direct current lamps and lanterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520779620.XU CN205049720U (en) | 2015-09-30 | 2015-09-30 | General type detection circuitry of alternating current -direct current lamps and lanterns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205049720U true CN205049720U (en) | 2016-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520779620.XU Expired - Fee Related CN205049720U (en) | 2015-09-30 | 2015-09-30 | General type detection circuitry of alternating current -direct current lamps and lanterns |
Country Status (1)
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| CN (1) | CN205049720U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106483474A (en) * | 2016-12-20 | 2017-03-08 | 优科能源(漳州)有限公司 | A kind of device that portable power source electricity indicator lamp is tested with battery testing cabinet |
-
2015
- 2015-09-30 CN CN201520779620.XU patent/CN205049720U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106483474A (en) * | 2016-12-20 | 2017-03-08 | 优科能源(漳州)有限公司 | A kind of device that portable power source electricity indicator lamp is tested with battery testing cabinet |
| CN106483474B (en) * | 2016-12-20 | 2023-07-07 | 漳州万宝能源科技股份有限公司 | Device for testing electric quantity indicator lamp of mobile power supply by using battery test cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Cao Xike Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160224 Termination date: 20190930 |