CN2135871Y - Large-power dc/dc converting power device - Google Patents
Large-power dc/dc converting power device Download PDFInfo
- Publication number
- CN2135871Y CN2135871Y CN 92210064 CN92210064U CN2135871Y CN 2135871 Y CN2135871 Y CN 2135871Y CN 92210064 CN92210064 CN 92210064 CN 92210064 U CN92210064 U CN 92210064U CN 2135871 Y CN2135871 Y CN 2135871Y
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- output
- power supply
- power
- voltage
- input
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Abstract
The utility model relates to a large-power dc/dc converting power device, comprising a dc isolation transformer, a wave filter, the push-pull adjusting device of electric voltage, a photoelectric coupler, a reference source, and an output sampling part. The photoelectric coupler is utilized to control the adjusting part of the electric voltage and sustains the relative stability of output voltage by a negative feedback; the input and the output are both the direct current and completely space; the devices which are divided are connected to assemble in a metal case; filler is filled with the interstice of the devices, which enables suspended elements to fix; an opening is encapsulated by insulating material. The large-power dc/dc converting power device has small volume and the high regulating rate of electric voltage and current; the large-power dc/dc converting power device can be applied to the power supply of a computer, the power supply of a mould plate, and a communicating facsimile system.
Description
The utility model relates to the stabilized voltage power supply device that a kind of stabilized voltage power supply, particularly input and output are direct current.
It mostly is the small-power converter that existing direct current becomes D.C. regulated power supply, be with each independently the components and parts welding be loaded on the circuit board, it is big to occupy volume; Various corrosive gass and vibration are all influential to components and parts, especially service behaviour instability when environment is abominable.
The purpose of this utility model is to overcome the defective that above-mentioned stabilized voltage power supply is deposited, and provides a kind of resolution element is gathered in one, and circuit is simple, little, the lightweight high power DC/dc dc converter of volume.
The utility model utilizes photoelectrical coupler control voltage adjustment member and keeps the relatively stable of output voltage by negative feedback, and input and output are the complete gap of direct current, and connected mode is: power input connects the power supply adjustment and recommends pipe Q
1Q
2With DC-isolation transformer B, through amplifying and C
1C
2Filtering is connected to diode D
1D
2, transformer B is also through photoelectrical coupler Q
3, a reference source W, by R
2Serial connection diode D
3, signal is added to output negative terminal, R
1Through C
3Inductance L, C
4Be connected to the output negative terminal.With each independently components and parts connect in the housing of packing into three-dimensional arrangement mode, output and input lead-in wire are connected on respectively on the outer I/O point of housing, the gap of components and parts is filled with filler in the housing, opening seals with insulating material and makes an integral device.
The utlity model has following advantage:
1, volume is little, in light weight, only is 1/3rd of original volume under the situation that power output equates;
2, device is not subjected to external environmental interference, and stable work in work has higher voltage regulation and current regulation, and this device need not add radiator and any annex;
3, can make the linear power supply of multiple series, plurality of specifications, the integrated DC converting DC power supply device of specification such as that voltage range can be made is fixed, adjustable, multichannel output type and positive and negative combination in 5-200V.
The utility model can be widely used in computer power supply, template power supply and the communication fasystem.
In conjunction with execution mode the utility model being done one below by accompanying drawing describes in detail.
Fig. 1 is circuit theory diagrams of the present utility model.
The structure assembling floor map that Fig. 2 connects for pressing Fig. 1.
Fig. 3 is a shell schematic diagram of the present utility model.
Referring to Fig. 1, be connected to the power supply adjustment by the direct voltage of the e of terminals 2, the input of f end points and recommend pipe Q
1Q
2On DC-isolation transformer B, B changes direct voltage by commutator transformer, finishes the isolation of input and output, and input voltage is through Q
1Q
2Recommend and amplify and C
1C
2Filtering is coupled to output through transformer B again and is added to diode D
1D
2On, to finish the rectification of overall process, the part by the taking-up of the feedback coil on isolating transformer output signal is added to input simultaneously, forms reponse system, and to guarantee the stable of output voltage, this feedback signal and input signal are added to photoelectrical coupler Q simultaneously
3On, control Q
3Opening and closing, be added on a reference source W R by the signal of photoelectrical coupler output
2Be following sample resistance serial connection diode D
3Be added to a, the b negative terminal of output voltage, R
2Usually meet to fixing R
1Be last sample resistance, by adjusting R
1To determine the stationary value of output voltage, pass through capacitor C again
3With inductance magnet ring L and capacitor C
4Filtering is connected on the voltage output plus terminal cd, so just export a stable output voltage between a, b and c, d end points.
Referring to Fig. 2, Fig. 3 converter each several part components and parts (connecting by Fig. 1) are connected in the metal shell 1 of packing into three-dimensional arrangement mode, the heat radiation that metal shell 1 surface has projection helps 5, plays thermolysis.Again device Q is recommended in the voltage adjustment
1Q
2, photoelectrical coupler Q
3, a reference source W and commutator transformer B be separately fixed on the corresponding position of metal shell, input and output are drawn on e, f input endpoint and a, b that lead is connected on surface of shell terminals 2 respectively and c, the d exit point.The gap of components and parts is filled with filler 3 in the housing, adopts perlite to make filler, has both fixed unsettled device in the shell, can alleviate the device overall weight again, and opening seals until parallel with housing with insulating material 4 casting of epoxy resin, makes an integral device.
Claims (4)
1, high power DC/dc transformating power device comprises that DC-isolation transformer, filtering, voltage are recommended to adjust device, High frequency filter, photoelectrical coupler, a reference source and output sampling part, it is characterized in that power input connects the power supply adjustment and recommends pipe Q
1Q
2With DC-isolation transformer B, through amplifying and C
1C
2Filtering is connected to diode D
1D
2, transformer B is also through coupler Q
3, a reference source W is by R
2Serial connection diode D
3Be added to the output negative terminal, R
1Through C
3Inductance L, C
4Be connected to the voltage output plus terminal, each several part element device is connected in the metal shell (1) of packing into three-dimensional arrangement mode, the lead-in wire of output and input is connected on respectively on outer output of housing and the input endpoint, filler (3) is equipped with in the gap of components and parts in the housing, and opening is made integral device with insulating material (4) sealing.
2, according to the described power supply apparatus of claim 1, it is characterized in that components and parts Q
1, Q
2, Q
3, W, B be fixed in the metal shell, housing (1) surface has the radiating ribs (5) of projection.
3, according to the described power supply apparatus of claim 1, it is characterized in that filler (6) can be a perlite, insulating material is an epoxy resin.
4,, it is characterized in that voltage range can make the integrated direct current of specifications such as fixed, adjustable, multichannel output type, positive and negative combination and become the DC power supply device in 5-200V according to claim 1 or 2 described power supply apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92210064 CN2135871Y (en) | 1992-01-09 | 1992-01-09 | Large-power dc/dc converting power device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92210064 CN2135871Y (en) | 1992-01-09 | 1992-01-09 | Large-power dc/dc converting power device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2135871Y true CN2135871Y (en) | 1993-06-09 |
Family
ID=33762932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92210064 Expired - Fee Related CN2135871Y (en) | 1992-01-09 | 1992-01-09 | Large-power dc/dc converting power device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2135871Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100431398C (en) * | 2002-05-16 | 2008-11-05 | 阿尔泰工程解决有限责任公司 | Retaining and heat dissipating structure for electronic equipment |
| CN101834541A (en) * | 2010-06-02 | 2010-09-15 | 英飞特电子（杭州）有限公司 | Constant current circuit with high power factor |
| CN102386780A (en) * | 2011-09-14 | 2012-03-21 | 深圳航天科技创新研究院 | Push-pull circuit of DC/DC (Direct Current/Direct Current) part |
-
1992
- 1992-01-09 CN CN 92210064 patent/CN2135871Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100431398C (en) * | 2002-05-16 | 2008-11-05 | 阿尔泰工程解决有限责任公司 | Retaining and heat dissipating structure for electronic equipment |
| CN101834541A (en) * | 2010-06-02 | 2010-09-15 | 英飞特电子（杭州）有限公司 | Constant current circuit with high power factor |
| CN101834541B (en) * | 2010-06-02 | 2013-03-13 | 英飞特电子（杭州）股份有限公司 | Constant current circuit with high power factor |
| CN102386780A (en) * | 2011-09-14 | 2012-03-21 | 深圳航天科技创新研究院 | Push-pull circuit of DC/DC (Direct Current/Direct Current) part |
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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 |