CN103414324A - Low-voltage alternating-current and direct-current power source output device - Google Patents
Low-voltage alternating-current and direct-current power source output device Download PDFInfo
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- CN103414324A CN103414324A CN2013103220704A CN201310322070A CN103414324A CN 103414324 A CN103414324 A CN 103414324A CN 2013103220704 A CN2013103220704 A CN 2013103220704A CN 201310322070 A CN201310322070 A CN 201310322070A CN 103414324 A CN103414324 A CN 103414324A
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Abstract
The invention discloses a low-voltage alternating-current and direct-current power source output device which comprises a transformer, a rectifier and an option switch. One side edge of the low-voltage end of the transformer is respectively connected with one input pin of a rectifier bridge and one output port of an alternating-current voltage, the other side edge of the low-voltage end of the transformer is respectively connected with one input pin of the rectifier bridge and the other output port of the alternating-current voltage through the option switch, the two output pins of the rectifier bridge are connected with an output positive port and an output negative port of a direct-current voltage respectively, and test meter pens are arranged on the two output ports of the alternating-current voltage and/or the output positive port and the output negative port of the direct-current voltage. Gears of an output voltage can be switched over, great convenience is brought to adjustment and use, and the low-voltage alternating-current and direct-current power source output device further has the automatic protection and output display functions, and is simple, practical, easy and convenient to operate, and high in working efficiency.
Description
Technical field:
The present invention relates to a kind of alterating and direct current source apparatus, particularly relate to a kind of safe, reliable low-voltage AC/DC power supply input pen.
Background technology:
At present, when some power equipment of maintenance, need to be to input voltage between certain two point of power equipment, and sometimes need to input different voltage, conventional way is: use a transformer, different magnitudes of voltage are provided as required, the method complex operation, inefficiency.
Summary of the invention:
Technical problem to be solved by this invention is: overcome the deficiencies in the prior art, provide a kind of simple and practical, can output AC voltage and the low-voltage AC/DC power supply output device of direct voltage.
Technical scheme of the present invention is: a kind of low-voltage AC/DC power supply output device, contain transformer, rectifier and selector switch, low-pressure end one side of transformer is connected with input pin of rectifier bridge and an output port of alternating voltage respectively, another side of the low-pressure end of transformer is connected with input pin of rectifier bridge and another output port of alternating voltage respectively by selector switch, and two output pins of rectifier bridge connect respectively the positive and negative port of direct voltage output; The positive and negative port of output of two output ports of described alternating voltage and/or described direct voltage is provided with the test test pencil.
Between described change over switch and rectifier bridge, be connected to adjustable resistance.Between described rectifier bridge and DC voltage output end mouth, be connected with fuse.Between described step-down side one side and ac voltage output mouth, be connected with fuse.
Between described direct voltage both positive and negative polarity output port, be connected with polar capacitor and D.C. voltmeter.Described polar capacitor and A.C. voltmeter are parallel joins.Between described alternating voltage both positive and negative polarity output port, be connected with A.C. voltmeter.
The invention has the beneficial effects as follows:
1, output voltage gear of the present invention is changeable, uses very conveniently, and in addition, output voltage values can be finely tuned, and guarantees the accuracy of output voltage.
2, the present invention has automatic protection functions, and when this new-type circuit went wrong, fuse fused automatically, can protect by lateral circuit and testing staff's safety.
3, the present invention has the output voltage Presentation Function, guarantees that the testing staff can know the output voltage of this invention fast and accurately.
4, the present invention is simple and practical, can output AC voltage and direct voltage, and it is applied widely, is easy to promotion and implementation, has good economic benefit.
The accompanying drawing explanation:
Fig. 1 is the circuit theory diagrams of low-voltage AC/DC power supply output device.
Embodiment:
Embodiment: referring to Fig. 1, in figure, the 1-fuse, the 2-transformer, the 3-change over switch, the 4-adjustable resistance, the 5-rectifier bridge, the 6-polar capacitor, the 7-D.C. voltmeter, 8-tests test pencil, 9-A.C. voltmeter.
In Fig. 1, transformer 2 is for having the transformer of multivoltage output, can become 1V to 220V voltage, 2V, 3V, 4.5V, 6V, 9V, 12V, 15V, 18V, 24V, 36V and 48V, low-voltage AC one tunnel of the low-pressure end one side output of transformer 2 is input to rectifier bridge 5, another road is input to the ac voltage output mouth, rectifier bridge 5 changes into direct current to the alternating current of input, then output to the positive pole of DC voltage output end, change over switch 3 can be selected the magnitude of voltage of output, voltage road after the adjusting of adjustable resistance 4 is input to rectifier bridge 5, another road is input to the ac voltage output mouth, between two ac voltage output mouths, connect alternating voltage, this A.C. voltmeter 9 can show the voltage of output, facilitate testing staff's operation, two output pins, one tunnel of rectifier bridge 5 connects the positive pole of DC voltage output end mouth, another road connects the negative pole of DC voltage output end mouth, between two DC voltage output end mouths, be connected with polar capacitor 6 and D.C. voltmeter 7, polar capacitor 6 can fall the concussion voltage filter in circuit after rectification, make output voltage more stable, D.C. voltmeter 7 can show the voltage of output, facilitate testing staff's operation.
Two output ports of alternating voltage and/or the positive and negative port of output of direct voltage are provided with test test pencil 8.Use this test test pencil 8 directly in circuit board, to test, as midget relay, diode, triode, voltage stabilizing circuit, integrated circuit etc.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, every foundation technical spirit of the present invention, to any simple modification, equivalent variations and modification that above embodiment does, all still belongs in the scope of technical solution of the present invention.
Claims (7)
1. low-voltage AC/DC power supply output device, contain transformer, rectifier and selector switch, it is characterized in that: low-pressure end one side of transformer is connected with input pin of rectifier bridge and an output port of alternating voltage respectively, another side of the low-pressure end of transformer is connected with input pin of rectifier bridge and another output port of alternating voltage respectively by selector switch, and two output pins of rectifier bridge connect respectively the positive and negative port of direct voltage output; The positive and negative port of output of two output ports of described alternating voltage and/or described direct voltage is provided with the test test pencil.
2. low-voltage AC/DC power supply output device according to claim 1, is characterized in that: be connected to adjustable resistance between described change over switch and rectifier bridge.
3. low-voltage AC/DC power supply output device according to claim 1, is characterized in that: be connected with fuse between described rectifier bridge and DC voltage output end mouth.
4. low-voltage AC/DC power supply output device according to claim 1, is characterized in that: be connected with fuse between described step-down side one side and ac voltage output mouth.
5. low-voltage AC/DC power supply output device according to claim 1, is characterized in that: be connected with polar capacitor and D.C. voltmeter between described direct voltage both positive and negative polarity output port.
6. low-voltage AC/DC power supply output device according to claim 5, it is characterized in that: described polar capacitor and D.C. voltmeter are parallel joins.
7. low-voltage AC/DC power supply output device according to claim 1, is characterized in that: be connected with A.C. voltmeter between described alternating voltage both positive and negative polarity output port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103220704A CN103414324A (en) | 2013-07-29 | 2013-07-29 | Low-voltage alternating-current and direct-current power source output device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103220704A CN103414324A (en) | 2013-07-29 | 2013-07-29 | Low-voltage alternating-current and direct-current power source output device |
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| Publication Number | Publication Date |
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| CN103414324A true CN103414324A (en) | 2013-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013103220704A Pending CN103414324A (en) | 2013-07-29 | 2013-07-29 | Low-voltage alternating-current and direct-current power source output device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104065254A (en) * | 2014-07-16 | 2014-09-24 | 深圳市开立科技有限公司 | Output recognition control unit and inverter, system and control method of output recognition control unit |
| CN106370895A (en) * | 2016-09-14 | 2017-02-01 | 国家电网公司 | High-voltage test power source control device |
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| US4467388A (en) * | 1982-07-06 | 1984-08-21 | Hitachi Metals International Ltd. | Electromagnetic chuck power supply and controller |
| CN2331471Y (en) * | 1998-05-29 | 1999-08-04 | 林�建 | Multifunction electric welding machine |
| CN2425823Y (en) * | 1999-12-03 | 2001-04-04 | 彭志强 | Multi-function test and maintenance equipment for car and mechanical vehicle |
| CN200990560Y (en) * | 2006-12-12 | 2007-12-12 | 乳源瑶族自治县东阳光化成箔有限公司 | Wide voltage range power supply device |
| CN201750343U (en) * | 2010-07-08 | 2011-02-16 | 尤翠敏 | Voltage detection control device |
| CN102255534A (en) * | 2011-06-30 | 2011-11-23 | 大连大工安道船舶技术有限责任公司 | Multi-polarity multi-output DC high voltage power supply |
| CN202735430U (en) * | 2012-07-04 | 2013-02-13 | 广东金南方电器实业有限公司 | Comprehensive testing power supply box of low voltage complete equipment |
| CN203466737U (en) * | 2013-07-29 | 2014-03-05 | 国家电网公司 | Safe low-voltage AC/DC power supply input pen |
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2013
- 2013-07-29 CN CN2013103220704A patent/CN103414324A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4467388A (en) * | 1982-07-06 | 1984-08-21 | Hitachi Metals International Ltd. | Electromagnetic chuck power supply and controller |
| CN2331471Y (en) * | 1998-05-29 | 1999-08-04 | 林�建 | Multifunction electric welding machine |
| CN2425823Y (en) * | 1999-12-03 | 2001-04-04 | 彭志强 | Multi-function test and maintenance equipment for car and mechanical vehicle |
| CN200990560Y (en) * | 2006-12-12 | 2007-12-12 | 乳源瑶族自治县东阳光化成箔有限公司 | Wide voltage range power supply device |
| CN201750343U (en) * | 2010-07-08 | 2011-02-16 | 尤翠敏 | Voltage detection control device |
| CN102255534A (en) * | 2011-06-30 | 2011-11-23 | 大连大工安道船舶技术有限责任公司 | Multi-polarity multi-output DC high voltage power supply |
| CN202735430U (en) * | 2012-07-04 | 2013-02-13 | 广东金南方电器实业有限公司 | Comprehensive testing power supply box of low voltage complete equipment |
| CN203466737U (en) * | 2013-07-29 | 2014-03-05 | 国家电网公司 | Safe low-voltage AC/DC power supply input pen |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104065254A (en) * | 2014-07-16 | 2014-09-24 | 深圳市开立科技有限公司 | Output recognition control unit and inverter, system and control method of output recognition control unit |
| CN106370895A (en) * | 2016-09-14 | 2017-02-01 | 国家电网公司 | High-voltage test power source control device |
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Application publication date: 20131127 |