CN101465596A - Power supply apparatus with DC-AC converter modular structure - Google Patents
Power supply apparatus with DC-AC converter modular structure Download PDFInfo
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- CN101465596A CN101465596A CNA2008101902680A CN200810190268A CN101465596A CN 101465596 A CN101465596 A CN 101465596A CN A2008101902680 A CNA2008101902680 A CN A2008101902680A CN 200810190268 A CN200810190268 A CN 200810190268A CN 101465596 A CN101465596 A CN 101465596A
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- power supply
- supply unit
- motherboard
- volts
- converter
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Abstract
The invention provides a power supply, comprising a main board, a filter and a DC-DC converter module; the main board comprises a transformer which is used for converting input voltage into a first alternating current output voltage and a filter which receives the first alternating current output voltage and outputs a first direct current output voltage. The DC-DC converter module is arranged on a circuit board and comprises a DC-DC converter for receiving the first direct current voltage and converting the first direct current output voltage into a second direct current output voltage and a third direct current output voltage which are output, and a modularized jack which is connected with the second direct current output voltage and the third direct current output voltage by the circuit connection of the circuit board. The main board and the DC-DC converter module of the power supply are respectively designed on different circuit boards, therefore, the power supply has the advantages that: wires are reduced, the circuit is simplified, the efficiency is promoted, the maintenance is easy and the replacement is easy and the like.
Description
Technical field
The present invention relates to a kind of power supply unit, refer to a kind of power supply unit especially with DC-AC converter modular structure.
Background technology
See also Fig. 1, it is the structural representation of existing power supply supply.As shown in Figure 1, this power supply unit 100 comprises a motherboard 110 and a housing 120.This motherboard 110 is provided with a plurality of relevant electronic components, for example: a transformer 111, electric capacity, resistance, filter etc.This motherboard 110 is connected with outside input power supply by a supply socket 112, receives alternating voltage input, via this transformer 111 this alternating voltage is converted to the alternating voltage output of 12 volts (Volt), 5 volts and 3.3 volts then.The output of 12 of this transformer 111 volts, 5 volts and 3.3 volt AC voltages is converted into the direct voltage output of 12 volts, 5 volts and 3.3 volts again via this filter then.Therefore the direct voltage output of these 12 volts, 5 volts and 3.3 volts is connected to a module backboard 117 via many electrical wiring 113A, 113B, 114A, 114B, 115A, 115B, 116A and 116B.In the prior art, need utilize many wire rods (electrical wiring 113A, 113B, 114A, 114B, 115A, 115B, 116A and 116B) to export these 12 volts, 5 volts of this power supply unit and 3.3 volts direct voltage output to this module backboard 117 by this motherboard 110.Because need utilize many wire rods (electrical wiring 113A, 113B, 114A, 114B, 115A, 115B, 116A and 116B) to export the direct voltage output of these 12 volts, 5 volts of this power supply unit and 3.3 volts to this module backboard 117 by this motherboard 110, so comparatively complicated and can increase extra line loss on the circuit.
See also Fig. 2, it is another existing structural representation with DC-to-DC converter (DC-DC Converter) power supply unit.Shown in the 2nd figure, this power supply unit 200 comprises a motherboard 210 and a housing 220.This motherboard 210 is provided with a plurality of relevant electronic components, for example: a transformer 211, a DC-to-DC converter 213, electric capacity, resistance, filter etc.This motherboard 210 is connected by the input power supply of a supply socket 212 with the outside, receives alternating voltage input, via this transformer 211 this alternating voltage is converted to 12 volts alternating voltage output then.
Again this alternating voltage of 12 volts output is converted into 12 volts direct voltage output via this filter.This DC-to-DC converter 213 is sent in the output of this direct voltage of 12 volts, via the direct voltage output of 5 volts of these DC-to-DC converter 213 conversion outputs and 3.3 volts.Therefore the direct voltage output of these 12 volts, 5 volts and 3.3 volts is connected to a module backboard 217 via many electrical wirings.Identical with prior art shown in Figure 1 is to utilize many wire rods to export these 12 volts, 5 volts of this power supply unit and 3.3 volts direct voltage output to this module backboard 217 by this motherboard 210.Because need utilize many wire rods to export the direct voltage output of these 12 volts, 5 volts of this power supply unit and 3.3 volts to this module backboard 217 by this motherboard 210, so comparatively complicated and can increase extra line loss on the circuit.
Therefore, the present invention proposes a kind of " power supply unit with DC-AC converter modular structure " in view of the defective of prior art.
Summary of the invention
Main purpose of the present invention is for providing a kind of power supply unit with DC-AC converter modular structure, the motherboard of this power supply unit designs respectively on different circuit boards with the DC-to-DC converter module, can reduce the use of wire rod, circuit is simplified.
Another object of the present invention is for providing a kind of power supply unit with DC-AC converter modular structure, the motherboard of this power supply unit designs respectively on different circuit boards with DC-to-DC converter module system, because the saving that part is exported wire rod, therefore can further eliminate because wire rod this in the loss that output procedure produced and the problem of step-down.
Another object of the present invention is for providing a kind of power supply unit with DC-AC converter modular structure, the motherboard of this power supply unit designs respectively on different circuit boards with DC-to-DC converter module system, because of eliminating the line loss factor, can further improve the output efficient of this power supply unit.
Another object of the present invention is for providing a kind of power supply unit with DC-AC converter modular structure, the motherboard of this power supply unit designs respectively on different circuit boards with the DC-to-DC converter module, therefore easy to maintenance, can reduce cost improved efficiency.
For reaching above-mentioned purpose, the invention provides a kind of power supply unit, comprise:
One motherboard, this motherboard comprises:
One transformer, this transformer is converted to one first ac output voltage with an input voltage; And
One filter, this filter receive this first ac output voltage conversion and are output as one first VD; And
One direct current-DC converter modules is built up on the circuit board, comprises:
One DC-to-DC converter receives this first VD, and with this first VD conversion output one second VD and one the 3rd VD; And
One modular jack, the circuit by this circuit board connects this second VD and the 3rd VD.
Useful technique effect of the present invention is, this has the power supply unit of DC-AC converter modular structure, the motherboard of this power supply unit designs respectively on different circuit boards with the DC-to-DC converter module, can reduce the use of wire rod, and circuit is simplified.
The present invention can obtain a more deep understanding by following accompanying drawing and detailed description.
Description of drawings
Fig. 1 is the structural representation of existing power supply supply.
Fig. 2 is existing structural representation with DC-to-DC converter power supply unit.
Fig. 3,4,5 is the power supply unit schematic diagram with DC-AC converter modular structure of preferred embodiment of the present invention.
Wherein, description of reference numerals is as follows:
100 power supply units, 111 transformers
112 supply socket 113A, 113B electrical wiring
114A, 114B electrical wiring 115A, 115B electrical wiring
116A, 116B electrical wiring 117 module backboards
110 motherboards, 120 housings
200 power supply units, 210 motherboards
212 supply sockets of 211 transformers
213 DC-to-DC converter, 217 module backboards
220 housings, 300 power supply units
310 motherboards, 311 transformers
312 supply sockets, 313 DC-to-DC converter modules
314,315 electrical wirings, 317 modular jack
318 hole slots, 319 backboards
320 housings, 321 base plates
322 panels, 323 modular jack
324 pins, 325 pins
326 hole slots
Embodiment
For describing the power supply unit with DC-AC converter modular structure of the present invention, with following specific embodiment explanation, right interest field of the present invention is not confined to following embodiment.
Please refer to shown in Fig. 3,4,5, it is the power supply unit schematic diagram with DC-AC converter modular structure of preferred embodiment of the present invention.Shown in Fig. 3,4, this power supply unit 300 comprises a motherboard 310, one direct current-DC converter modules 313 and a housing 320.This housing 320 comprises a backboard 319, a base plate 321 and a panel 322.This panel 321 is provided with a supply socket 312 and is connected and a mains switch with the input power supply of outside, in order to start or to close this power supply unit.
This motherboard 310 is provided with a plurality of relevant electronic components, for example: a transformer 311, electric capacity, resistance, filter etc.This motherboard 310 is connected by the input power supply of this supply socket 312 with the outside, receives alternating voltage input, via this transformer 311 this alternating voltage is converted to 12 volts alternating voltage output then.The output of this alternating voltage of 12 volts is converted into 12 volts direct voltage output via this filter.
Again this direct voltage of 12 volts output is sent into the DC-to-DC converter of this DC-to-DC converter module 313 via an electrical wiring 314,315.This DC-to-DC converter module 313 is arranged on the independent circuits plate different with this motherboard.And this DC-to-DC converter module 313 is arranged on this backboard 319 with this independent circuits plate.This direct voltage of 12 volts is via the direct voltage output of 5 volts of this DC-to-DC converter conversion outputs and 3.3 volts.
This DC-to-DC converter module 313 is with the direct voltage output of these 5 volts and 3.3 volts.The output of the direct voltage of 5 volts and 3.3 volts is directly connected to a modular jack 317 via the circuit connection of this DC-to-DC converter module 313 then.Certainly this DC-to-DC converter module 313 also can provide this 12 volt DC voltage to export this modular jack 317 to.
This DC-to-DC converter module 313 directly is fixed on this backboard 319 of this housing 320, and this modular jack 317 is directly passed the hole slot 318 on this backboard 319.Wherein, this modular jack 317 utilizes a upright pin 325 directly vertically to be inserted on the circuit board of this DC-to-DC converter module 313, is electrically connected with the circuit board with this DC-to-DC converter module 313.
Again, this power supply unit 300 also comprises a modular jack 323, and this modular jack 323 is utilized the pin 324 with 90 ° of camber bent angles directly to be plugged on this motherboard 310 and is electrically connected with this motherboard 310.This backboard 319 also comprises a hole slot 326, and this modular jack 323 is directly passed this hole slot 326 on this backboard 319.Wherein this modular jack 323 is electrically connected this motherboard 310, exports in order to 12 volts direct voltage to be provided.
The present invention is characterized in that this DC-to-DC converter module 313 is independent of outside this motherboard 310 of this power supply unit 300, and this DC-to-DC converter module 313 is incorporated on the same circuit board with this modular jack 317.Again, this DC-to-DC converter module 313 only needs to use two main electrical wirings 314,315, and (one of them provides power supply, an other wire circuit is a ground wire) can connect this motherboard 310, reduce unnecessary wire rod, and the line loss when reducing the power supply supply.
Therefore design of the present invention has following several advantages:
The feature and benefit that can possess all DC-to-DC converter designs;
Can reduce in the prior art needs by many wire rods 3.3 volts and 5 volts of voltages to be connected to this module backboard (only keeping 12 volts and ground wire wire rod) by this motherboard 310, to reach the purpose that wire rod is saved;
Owing to saved and partly exported wire rod, therefore can further eliminate because wire rod this in the loss that output procedure produced and the problem of step-down;
Because of eliminating the line loss factor, can further improve the output efficient of this power supply unit;
Promote the power supply extendibility: 12 volts of voltages of motherboard individual responsibility are handled; The DC-to-DC converter module is 12 volts of the individual processing process of changeing 3.3 volts and 5 volts then, make two circuit boards (PCB) circuit score of motherboard and DC-to-DC converter module offer meter, therefore the DC-to-DC converter module can design or handle according to the different needs of client, the client only needs to change the DC-to-DC converter module can reach its demand, need not change whole power supply unit;
Because it is motherboard designs respectively on different circuit boards with the DC-to-DC converter module,, therefore easy to maintenance if motherboard or DC-to-DC converter module damage only need be changed one of them.
Comprehensively above-mentioned, the invention provides a power supply unit with DC-AC converter modular structure,
Specific embodiment of the invention described above and accompanying drawing can be understood the personnel that know this technology, yet scope of the present invention is not confined to the foregoing description.
Comprehensively above-mentioned, purpose of the present invention is abundant and disclosed effectively.The present invention can be thought deeply arbitrarily and modified by the personnel that know this technology, however the scope of neither disengaging appended claims.
Claims (10)
1. power supply unit comprises:
One motherboard, this motherboard comprises:
One transformer, this transformer is converted to one first ac output voltage with an input voltage; And
One filter, this filter receive this first ac output voltage conversion and are output as one first VD;
One first modular jack is arranged on this motherboard, is electrically connected with this motherboard, in order to this first VD to be provided; And
One direct current-DC converter modules is built up on the circuit board, comprises:
One DC-to-DC converter receives this first VD, and with this first VD conversion output one second VD and one the 3rd VD; And
One second modular jack, the circuit by this circuit board connects this second VD and the 3rd VD.
2. power supply unit as claimed in claim 1 wherein also comprises a housing, and this housing comprises:
One backboard, this backboard comprise one first hole slot and one second hole slot, this first hole slot in order to ccontaining this first modular jack and this second hole slot in order to ccontaining this second modular jack; And
One base plate is fixed on this motherboard on this base plate.
3. power supply unit as claimed in claim 1, wherein this motherboard and this circuit board are respectively two blocks of independent circuits plates.
4. power supply unit as claimed in claim 1, wherein this first modular jack utilizes a pin with bent angle to be plugged on this motherboard, is electrically connected with this motherboard.
5. power supply unit as claimed in claim 4, wherein this bent angle is 90 ° of cambers.
6. power supply unit as claimed in claim 1, wherein this second modular jack is utilized two upright pins vertically to be plugged on this circuit board to be electrically connected with this circuit board.
7. power supply unit as claimed in claim 1, wherein this first ac output voltage is 12 volts of voltages.
8. power supply unit as claimed in claim 1, wherein this first VD is 12 volts of voltages.
9. power supply unit as claimed in claim 1, wherein this second VD is 5 volts of voltages.
10. power supply unit as claimed in claim 1, wherein the 3rd VD is 3.3 volts of voltages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101902680A CN101465596A (en) | 2008-12-30 | 2008-12-30 | Power supply apparatus with DC-AC converter modular structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101902680A CN101465596A (en) | 2008-12-30 | 2008-12-30 | Power supply apparatus with DC-AC converter modular structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101465596A true CN101465596A (en) | 2009-06-24 |
Family
ID=40805996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101902680A Pending CN101465596A (en) | 2008-12-30 | 2008-12-30 | Power supply apparatus with DC-AC converter modular structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101465596A (en) |
-
2008
- 2008-12-30 CN CNA2008101902680A patent/CN101465596A/en active Pending
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090624 |