CN103777670B - Can the direct supply of constant voltage or constant current output - Google Patents
Can the direct supply of constant voltage or constant current output Download PDFInfo
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- CN103777670B CN103777670B CN201410032376.0A CN201410032376A CN103777670B CN 103777670 B CN103777670 B CN 103777670B CN 201410032376 A CN201410032376 A CN 201410032376A CN 103777670 B CN103777670 B CN 103777670B
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- 238000010586 diagram Methods 0.000 description 2
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- 230000007812 deficiency Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
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Abstract
The invention discloses can the direct supply of constant voltage or constant current output, comprises AC/DC switch power module, change-over switch module, constant voltage DC/DC module, constant current DC/DC module, display module and adjustment module; Described AC/DC switch power module is the efficient switch power circuit composition of band PFC function; The input end of described AC/DC switch power module is connected with civil power input, and output terminal is connected with change-over switch module; Described change-over switch module is made up of 12 pin 3 gear 4 way switch, can select in constant voltage (CV), constant current (CC) and closedown (OFF) three kinds of output modes; Described display module, comprises power display circuit, direct current power source voltage current display circuit and LED indicating circuit; Described adjustment module is precision resistor adjusting knob, for regulating constant voltage constant current output value and power protection limit value; The present invention can constant voltage export, again can constant current output.
Description
Technical field
The present invention relates to a kind of power supply, refer in particular to one and both can constant voltage export, again can constant current output can the direct supply of constant voltage or constant current output.
Background technology
Power supply is the guarantee of Power supply, is various electronic circuit and the requisite important component part of electronic equipment, and its performance quality directly affects all technical and the functional reliability thereof of electronic equipment.Direct supply be test in Electronics and Information Engineering, in scientific research not or lack one of basic instrument, be widely used in electronic equipment, during scientific experiment, electrical maintenance, research and development of products make.The most power supply architecture for the design of voltage stabilizing current limliting of existing direct supply, cannot export as constant current source.But along with enriching constantly of electronic product, need the occasion of constant current-supplying to get more and more, as the product-laden etc. of LED class, the direct supply that the voltage stabilizing of routine traditional in such applications exports just cannot meet application demand; For this reason, we have developed one and both can constant voltage export, again can constant current output can the direct supply of constant voltage or constant current output.
Summary of the invention
The present invention seeks to provide one both can constant voltage to export to overcome the deficiencies in the prior art, again can constant current output can the direct supply of constant voltage or constant current output.
For achieving the above object, the technical solution used in the present invention is: can the direct supply of constant voltage or constant current output, comprises AC/DC switch power module, change-over switch module, constant voltage DC/DC module, constant current DC/DC module, display module and adjustment module; Described AC/DC switch power module is the efficient switch power circuit composition of band PFC function, the input of electric main 95-265V voltage is converted to the direct voltage output of about DC15V; The input end of described AC/DC switch power module is connected with civil power input, and output terminal is connected with change-over switch module; Described change-over switch module is made up of 12 pin 3 gear 4 way switch, can select in constant voltage (CV), constant current (CC) and closedown (OFF) three kinds of output modes, wherein the common port of 2 way switch is connected with the DC output terminal of AC/DC switch power module, and the two ends of not common end are connected with the input end of constant voltage DC/DC module with constant current DC/DC module respectively; The common port of another 2 way switch is connected with direct supply output interface, and the two ends of not common end are connected with the output terminal of constant voltage DC/DC module with constant current DC/DC module respectively; Described display module, comprises power display circuit, direct current power source voltage current display circuit and LED indicating circuit; Described adjustment module is precision resistor adjusting knob, for regulating constant voltage constant current output value and power protection limit value.
Preferably, the control chip of described AC/DC switch power module is L6562.
Preferably, the control chip of described constant voltage DC/DC module is LM2596.
Preferably, the control chip of described constant current DC/DC module is SD42560.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
Of the present inventionly the direct supply of constant voltage or constant current output can adopt the difunctional output of constant pressure and flow, the demand of different engineer applied occasion can be met, can be realized by single switching gauge tap, easy and simple to handle; The present invention simultaneously adopts modular design, improves reliability and versatility.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
Accompanying drawing 1 be of the present invention can the fundamental diagram of direct supply of constant voltage or constant current output;
Accompanying drawing 2 be of the present invention can the panel schematic diagram of direct supply of constant voltage or constant current output.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
Accompanying drawing 1-2 be of the present invention can the direct supply of constant voltage or constant current output, comprise AC/DC switch power module 1, change-over switch module 2, constant voltage DC/DC module 3, constant current DC/DC module 4, display module 5 and adjustment module 6; Described AC/DC switch power module 1 is the efficient switch power circuit composition of band PFC function, the input of electric main 95-265V voltage is converted to the direct voltage output of about DC15V; The input end of described AC/DC switch power module 1 is connected with civil power input interface 7, and output terminal is connected with change-over switch module 2; Described change-over switch module 2 is made up of 12 pin 3 gear 4 way switch, can select in constant voltage (CV), constant current (CC) and closedown (OFF) three kinds of output modes, wherein the common port of 2 way switch is connected with the DC output terminal of AC/DC switch power module 1, and the two ends of not common end are connected with the input end of constant voltage DC/DC module 3 with constant current DC/DC module 4 respectively; The common port of another 2 way switch is connected with direct supply output interface 8, and the two ends of not common end are connected with the output terminal of constant voltage DC/DC module 3 with constant current DC/DC module 4 respectively; Described display module 5 comprises power display circuit, direct current power source voltage current display circuit and LED indicating circuit; Described adjustment module 6 is precision resistor adjusting knob, for regulating constant voltage constant current output value and power protection limit value.In the present embodiment, the control chip of described AC/DC switch power module 1 is L6562; The control chip of described constant voltage DC/DC module 3 is LM2596; The control chip of described constant current DC/DC module 4 is SD42560.
As shown in Figure 2, for power panel structural representation of the present invention, comprise panel 100, digitron display screen 101, power and fault P/F pilot lamp 102, constant voltage CV output services mode indicating lamp 103, constant current CC output services mode indicating lamp 104, change-over switch control lever 105, power regulating knob 106, constant voltage output voltage adjusting knob 107, constant current output current adjusting knob 108, direct voltage output Interface Terminal 109.Described digitron display screen 101, power and fault P/F pilot lamp 102, constant voltage CV output services mode indicating lamp 103, constant current CC output services mode indicating lamp 104, change-over switch control lever 105, power regulating knob 106, constant voltage output voltage adjusting knob 107, constant current output current adjusting knob 108, direct voltage output Interface Terminal 109 are arranged on the panel 100 in the front of housing.Described digitron display screen 101 shows power, voltage and current value from top to bottom successively.
Of the present invention can the principle of work of direct supply that exports of constant pressure and flow: user can select be constant voltage or constant current output mode of operation by change-over switch control lever 105 in use, when selecting constant voltage mode of operation, change-over switch module 2 is by the AC/DC switch power module of power source internal, constant voltage DC/DC module, direct supply output interface 8 is communicated with, constant voltage CV output services mode indicating lamp 103 is lighted, power and fault P/F pilot lamp 102 are lighted simultaneously, digitron display screen 101 display power supply power and constant-voltage, the numerical value of working current, percent of pass adjusting knob 106 can regulate the operating power limit value of power supply, when power exceedes limit value, power and fault P/F pilot lamp 102 glimmer, alarm powered-down export, regulate constant voltage output voltage adjusting knob 107 can regulation output magnitude of voltage, and shown by the voltage display screen in digitron display screen 101.
When selecting constant current mode, change-over switch module 2 is by the AC/DC switch power module of power source internal, constant current DC/DC module, direct supply output interface 8 is communicated with, constant voltage CC output services mode indicating lamp 103 is lighted, power and fault P/F pilot lamp 102 are lighted simultaneously, digitron display screen 101 display power supply power and continuous current, the numerical value of operating voltage, percent of pass adjusting knob 106 can regulate the operating power limit value of power supply, when power exceedes limit value, power and fault P/F pilot lamp 102 glimmer, alarm powered-down export, regulate constant voltage output current adjusting knob 108 can regulation output current value, and shown by the electric current display screen in digitron display screen 101.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
Of the present inventionly the direct supply of constant voltage or constant current output can adopt the difunctional output of constant pressure and flow, the demand of different engineer applied occasion can be met, can be realized by single switching gauge tap, easy and simple to handle; The present invention simultaneously adopts modular design, improves reliability and versatility.
Above-described embodiment is only for illustrating technical conceive of the present invention and feature; its object is to person skilled in the art can be understood content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (4)
1. can the direct supply of constant voltage or constant current output, it is characterized in that: comprise AC/DC switch power module, change-over switch module, constant voltage DC/DC module, constant current DC/DC module, display module and adjustment module; Described AC/DC switch power module is the efficient switch power circuit composition of band PFC function, the input of electric main 95-265V voltage is converted to the direct voltage output of about DC15V; The input end of described AC/DC switch power module is connected with civil power input, and output terminal is connected with change-over switch module; Described change-over switch module is made up of 12 pin 3 gear 4 way switch, can select in constant voltage (CV), constant current (CC) and closedown (OFF) three kinds of output modes, wherein the common port of 2 way switch is connected with the DC output terminal of AC/DC switch power module, and the two ends of not common end are connected with the input end of constant voltage DC/DC module with constant current DC/DC module respectively; The common port of another 2 way switch is connected with direct supply output interface, and the two ends of not common end are connected with the output terminal of constant voltage DC/DC module with constant current DC/DC module respectively; Described display module, comprises power display circuit, direct current power source voltage current display circuit and LED indicating circuit; Described adjustment module is precision resistor adjusting knob, for regulating constant voltage constant current output value and power protection limit value.
2. according to claim 1 can the direct supply of constant voltage or constant current output, it is characterized in that: the control chip of described AC/DC switch power module is L6562.
3. according to claim 2 can the direct supply of constant voltage or constant current output, it is characterized in that: the control chip of described constant voltage DC/DC module is LM2596.
4. according to claim 3 can the direct supply of constant voltage or constant current output, it is characterized in that: the control chip of described constant current DC/DC module is SD42560.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410032376.0A CN103777670B (en) | 2014-01-23 | 2014-01-23 | Can the direct supply of constant voltage or constant current output |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410032376.0A CN103777670B (en) | 2014-01-23 | 2014-01-23 | Can the direct supply of constant voltage or constant current output |
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| Publication Number | Publication Date |
|---|---|
| CN103777670A CN103777670A (en) | 2014-05-07 |
| CN103777670B true CN103777670B (en) | 2015-09-09 |
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| CN201410032376.0A Expired - Fee Related CN103777670B (en) | 2014-01-23 | 2014-01-23 | Can the direct supply of constant voltage or constant current output |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104917400A (en) * | 2015-05-13 | 2015-09-16 | 苏州闪联高压电器有限公司 | Constant voltage output direct current power supply applied to subway screen door |
| CN108011532A (en) * | 2017-11-20 | 2018-05-08 | 安徽晓星能源科技有限公司 | DC power control system applied to electrical cabinet |
| US10986875B2 (en) * | 2018-06-25 | 2021-04-27 | Juul Labs, Inc. | Vaporizer device heater control |
| CN115664176B (en) * | 2022-12-14 | 2023-03-14 | 深圳市恒运昌真空技术有限公司 | Cuk circuit constant voltage and constant current control device and method and direct current power supply aging test system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2395306Y (en) * | 1999-09-29 | 2000-09-06 | 深圳市中兴通讯股份有限公司 | Power converter with constant current and constant voltage output |
| CN201203812Y (en) * | 2008-01-08 | 2009-03-04 | 上海大学 | Adjustable constant-voltage constant-current power supply |
| CN203038148U (en) * | 2013-01-15 | 2013-07-03 | 福建利利普光电科技有限公司 | Constant voltage and constant current automatic switching circuit of direct current voltage-stabilized power supply |
| CN203773394U (en) * | 2014-01-23 | 2014-08-13 | 苏州市职业大学 | Direct-current power source allowing constant voltage or constant current output |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3837000B2 (en) * | 1999-11-01 | 2006-10-25 | 富士写真フイルム株式会社 | Power supply circuit device |
| JP2007236095A (en) * | 2006-02-28 | 2007-09-13 | Ccs Inc | Power supply for led and light irradiation apparatus |
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2014
- 2014-01-23 CN CN201410032376.0A patent/CN103777670B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2395306Y (en) * | 1999-09-29 | 2000-09-06 | 深圳市中兴通讯股份有限公司 | Power converter with constant current and constant voltage output |
| CN201203812Y (en) * | 2008-01-08 | 2009-03-04 | 上海大学 | Adjustable constant-voltage constant-current power supply |
| CN203038148U (en) * | 2013-01-15 | 2013-07-03 | 福建利利普光电科技有限公司 | Constant voltage and constant current automatic switching circuit of direct current voltage-stabilized power supply |
| CN203773394U (en) * | 2014-01-23 | 2014-08-13 | 苏州市职业大学 | Direct-current power source allowing constant voltage or constant current output |
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| CN103777670A (en) | 2014-05-07 |
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Effective date of registration: 20171211 Address after: 413000 Yiyang City, Hunan province Heshan District Long Ridge Industrial Park, West Road, No. 1 Patentee after: Huaxiang XiangNeng electrical Limited by Share Ltd. Address before: 215104 Wuzhong District International Education Park, Jiangsu, No. 106 Avenue, Suzhou Vocational University, Patentee before: Suzhou vocational University |
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| CI03 | Correction of invention patent |
Correction item: Patentee|Address Correct: HXXN ELECTRICITY CO., LTD.|413000 Yiyang City, Hunan province Heshan District Long Ridge Industrial Park, West Road, No. 1 False: Huaxiang XiangNeng electrical Limited by Share Ltd.|413000 Yiyang City, Hunan province Heshan District Long Ridge Industrial Park, West Road, No. 1 Number: 52-02 Volume: 33 |
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| CI03 | Correction of invention patent | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 413000 Yiyang City, Hunan province Heshan District Long Ridge Industrial Park, West Road, No. 1 Patentee after: Huaxiang XiangNeng Technology Co.,Ltd. Address before: 413000 Yiyang City, Hunan province Heshan District Long Ridge Industrial Park, West Road, No. 1 Patentee before: HXXN ELECTRICITY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150909 |
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| CF01 | Termination of patent right due to non-payment of annual fee |