CN203851050U - Electricity-consuming appliance and power source device - Google Patents
Electricity-consuming appliance and power source device Download PDFInfo
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- CN203851050U CN203851050U CN201420221883.4U CN201420221883U CN203851050U CN 203851050 U CN203851050 U CN 203851050U CN 201420221883 U CN201420221883 U CN 201420221883U CN 203851050 U CN203851050 U CN 203851050U
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- conducting device
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- supply unit
- transformer
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- 238000004804 winding Methods 0.000 claims abstract description 48
- 239000003990 capacitor Substances 0.000 claims description 15
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 239000004065 semiconductor Substances 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002860 competitive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses an electricity-consuming appliance and a power source device. According to the power source device, two ends of alternating current input voltage are respectively connected with the homonym end and the synonym end of a primary-side winding of a transformer respectively; the homonym end of a first secondary-side winding of the transformer and the synonym end of a second secondary-side winding of the transformer are a first voltage output end of the power source device; the synonym end of the first secondary-side winding of the transformer is connected with the negative pole of a first unidirectional-conduction device and the positive pole of a third unidirectional-conduction device respectively; the homonym end of the second secondary-side winding of the transformer is connected with the negative pole of a second unidirectional-conduction device and the positive pole of a fourth unidirectional-conduction device respectively; the positive pole of the first unidirectional-conduction device and the positive pole of the second unidirectional-conduction device are grounded respectively; and the negative pole of the third unidirectional-conduction device and the negative pole of the fourth unidirectional-conduction device are a second voltage output end of the power source device. With the electricity-consuming appliance and the power source device of the technical scheme of the utility model adopted, a voltage doubling mode can be utilized to realize two-path voltage output, and size and space can be decreased, and cost can be reduced.
Description
Technical field
The utility model relates to field of power supplies, especially relates to a kind of power consumption equipment and supply unit.
Background technology
Power supply due to power consumption equipment in supply unit is different, often requires supply unit to provide different output voltages.
When client needs two-way Voltage-output, when Qie Yi road voltage is the twice of another road voltage, for example, have+54V of client direct voltage and+during 27V direct voltage two-way output demand, conventionally the mode of selecting two-way to convert separately realizes, as shown in Figure 1, for 27V direct voltage and 54V direct voltage, convert separately respectively.But this supply unit is because component number is more, high cost, space requirement is large too, greatly limited application and the competitive strength of this specification power supply, and, do not meet under modernization development trend more small size, more high power density, more low price requirement of power requirement.
Utility model content
The technical problems to be solved in the utility model is that the defect high for above-mentioned cost of the prior art, space is large provides a kind of cost is low, space is little power consumption equipment and supply unit.
The utility model solves the technical scheme that its technical problem adopts: construct a kind of supply unit, comprise transformer, the first one way conducting device, the second one way conducting device, the 3rd one way conducting device and the 4th one way conducting device, wherein, the Same Name of Ends of the former limit winding of described transformer connects the first end of AC-input voltage, the different name end of the former limit winding of described transformer connects the second end of AC-input voltage, the first voltage output end that the different name end of the Same Name of Ends of the first secondary winding of described transformer and its second secondary winding is this supply unit, the different name end of the first secondary winding of described transformer connects respectively the negative pole of described the first one way conducting device and the positive pole of described the 3rd one way conducting device, the Same Name of Ends of the second secondary winding of described transformer connects respectively the negative pole of described the second one way conducting device and the positive pole of described the 4th one way conducting device, the positive pole of the positive pole of described the first one way conducting device and described the second one way conducting device is ground connection respectively, the negative pole of the negative pole of described the 3rd one way conducting device and described the 4th one way conducting device is the second voltage output of this supply unit.
In supply unit described in the utility model, described supply unit also comprises for the inverter circuit of AC-input voltage is provided, the first output of described inverter circuit connects the Same Name of Ends of the former limit winding of described transformer, and the second output of described inverter circuit connects the different name end of the former limit winding of described transformer.
In supply unit described in the utility model, described inverter circuit is full bridge inverter, half-bridge inversion circuit, push-pull bridge inverter circuit.
In supply unit described in the utility model, when described inverter circuit is half-bridge inversion circuit, described half-bridge inversion circuit comprises the first switching tube, second switch pipe, the first charging capacitor and the second charging capacitor, wherein, the first end of described the first switching tube connects the anode of DC power supply, the second end of described the first switching tube connects the first end of described second switch pipe, the second end ground connection of described second switch pipe, described the first charging capacitor and described the second charging capacitor are connected between the anode and ground of described DC power supply, the Same Name of Ends of the former limit winding of described transformer connects the second end of described the first switching tube, the different name end of the former limit winding of described transformer connects the tie point of described the first charging capacitor and described the second charging capacitor.
In supply unit described in the utility model, described half-bridge inversion circuit also comprises the first resistance and the second resistance, described the first resistance and described the second resistance are connected between the anode and ground of described DC power supply, and the tie point of described the first resistance and described the second resistance is connected the different name end of the former limit winding of described transformer.
In supply unit described in the utility model, described the first one way conducting device, described the second one way conducting device, described the 3rd one way conducting device and described the 4th one way conducting device are respectively diode.
In supply unit described in the utility model, described the first one way conducting device, described the second one way conducting device, described the 3rd one way conducting device and described the 4th one way conducting device are respectively at least two diodes that are in parallel.
In supply unit described in the utility model, described supply unit also comprises the first electric capacity of voltage regulation group and the second electric capacity of voltage regulation group, described the first electric capacity of voltage regulation group is connected between described the first voltage output end and ground, and described the second electric capacity of voltage regulation group is connected between described second voltage output and ground.
In supply unit described in the utility model, described the first electric capacity of voltage regulation group and described the second electric capacity of voltage regulation group comprise respectively two electric capacity of voltage regulation that are in parallel.
The utility model is also constructed a kind of power consumption equipment, comprises above-described supply unit.
Implement the technical solution of the utility model, can realize two-way Voltage-output, Qie Yi road output voltage is the twice of another road output voltage.And, compared to existing technology, due to the minimizing of component number, dwindled volume and space, reduced cost.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the circuit diagram of a kind of supply unit of prior art;
Fig. 2 is the circuit diagram of the utility model supply unit embodiment mono-.
Embodiment
As shown in Figure 2, this embodiment is output as example with 27V direct voltage and 54V direct voltage two-way, the supply unit of this embodiment comprises inverter circuit, transformer T1, one way conducting device D1, D2, D3 and D4, and these four one way conducting device D1, D2, D3, D4 are comprised of two diodes that are in parallel respectively.
The inverter circuit of this embodiment is half-bridge inversion circuit, and, this half-bridge inversion circuit comprises metal-oxide-semiconductor Q1, Q2, resistance R 1, R2, charging capacitor C1, C2, wherein, the drain electrode of metal-oxide-semiconductor Q1 connects the anode (+380Vdc) of DC power supply, the source electrode of metal-oxide-semiconductor Q1 connects the drain electrode of metal-oxide-semiconductor Q2, the source ground of metal-oxide-semiconductor Q2, resistance R 1, R2 is connected between the anode and ground of DC power supply, charging capacitor C1, C2 is connected between the anode and ground of DC power supply, the Same Name of Ends of the former limit winding of transformer T1 connects the source electrode of metal-oxide-semiconductor Q1, the different name end of the former limit winding of transformer T1 is contact resistance R1 respectively, the tie point of R2 and charging capacitor C1, the tie point of C2.
At the secondary side of transformer T1, the first voltage output end (+27Vdc) that the different name end of the Same Name of Ends of the first secondary winding TM1 of transformer T1 and its second secondary winding TM2 is this supply unit, the i.e. output of 27V direct voltage.The different name end of the first secondary winding TM1 of transformer T1 connects respectively the negative pole of one way conducting device D1 and the positive pole of one way conducting device D3, the Same Name of Ends of the second secondary winding TM2 of transformer T1 connects respectively the negative pole of one way conducting device D2 and the positive pole of one way conducting device D4, the positive pole of the positive pole of one way conducting device D1 and one way conducting device D2 is ground connection respectively, the negative pole of the negative pole of one way conducting device D3 and one way conducting device D4 is the second voltage output (+54Vdc) of this supply unit, the i.e. output of 54V direct voltage.In addition, electric capacity of voltage regulation C3, C4 form the first electric capacity of voltage regulation group, and are connected between the first voltage output end and ground, and electric capacity of voltage regulation C7, C8 form the second electric capacity of voltage regulation group, and are connected between second voltage output and ground.
The following describes the operation principle of this supply unit:
When client need to this switching voltage output 27V direct voltage, load can be connected between first voltage output end (+27Vdc) and ground of this supply unit.Then, by controlling metal-oxide-semiconductor Q1, Q2 by certain frequency alternate conduction to metal-oxide-semiconductor Q1, Q2 output two-way contrary pwm signal (GA, GB) respectively, thereby to the former limit winding input ac voltage of transformer T1.When alternating voltage is during at positive half cycle, the secondary side current of transformer T1 flows to the different name end of the first secondary winding TM1 of transformer T1 successively through Same Name of Ends, load (not shown), the one way conducting device D1 of its first secondary winding TM1; When alternating voltage is during at negative half period, the secondary side current of transformer T1 flows to the Same Name of Ends of the second secondary winding TM2 of transformer T1 successively through different name end, load (not shown), the one way conducting device D2 of its second secondary winding TM2, like this, can realize to the direct voltage of load output 27V.
When client need to this switching voltage output 54V direct voltage, load can be connected between the second voltage output (+54Vdc) and ground of this supply unit.Then, by controlling metal-oxide-semiconductor Q1, Q2 by certain frequency alternate conduction to metal-oxide-semiconductor Q1, Q2 output two-way contrary pwm signal (GA, GB) respectively, thereby to the former limit winding input ac voltage of transformer T1.When alternating voltage is during at positive half cycle, the secondary side current of transformer T1 flows to the different name end of the second secondary winding TM2 successively through Same Name of Ends, one way conducting device D4, load (not shown), one way conducting device D1, the first secondary winding TM1 of its second secondary winding TM2; When alternating voltage is during at negative half period, the secondary side current of transformer T1 flows to the Same Name of Ends of the first secondary winding TM1 successively through different name end, one way conducting device D3, load (not shown), one way conducting device D2, the second secondary winding TM2 of its first secondary winding TM1, like this, can realize the direct voltage to load output 54V.
When the inverter voltage of inverter circuit is constant, the output procedure that contrasts above two-way direct voltage can be found out, when output 27V direct voltage, any time (positive half cycle or the negative half period of alternating voltage), two secondary windings of transformer T1 only have one of them work.And when output 54V direct voltage, any time (positive half cycle or the negative half period of alternating voltage), two secondary windings of transformer T1 are worked simultaneously, the output voltage that therefore can make the latter is the former 2 times.
This supply unit compared to existing technology, owing to having reduced the quantity of components and parts, has dwindled volume and space, has reduced cost.And, by two-way control, change a road into and control, improved reliability.
About above-described embodiment, also it should be noted that, four one way conducting device D1, D2, D3, D4 in other embodiments can be respectively by diodes, or realized by the parallel diode of greater number.Electric capacity quantity in the first electric capacity of voltage regulation group and the second electric capacity of voltage regulation group also can be one or be greater than two.About inverter circuit, also can save resistance R 1, R2, metal-oxide-semiconductor Q1, Q2 also can select the switching tube of other type; Or in other embodiments, inverter circuit is selected full bridge inverter or push-pull bridge inverter circuit; Again or, the former limit winding of transformer T1 can not connect inverter circuit, directly incoming transport input voltage.
In addition, the utility model is also constructed a kind of power consumption equipment, and this power consumption equipment comprises above-described supply unit.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various changes, combination and variation.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in claim scope of the present utility model.
Claims (10)
1. a supply unit, it is characterized in that, comprise transformer, the first one way conducting device, the second one way conducting device, the 3rd one way conducting device and the 4th one way conducting device, wherein, the Same Name of Ends of the former limit winding of described transformer connects the first end of AC-input voltage, the different name end of the former limit winding of described transformer connects the second end of AC-input voltage, the first voltage output end that the different name end of the Same Name of Ends of the first secondary winding of described transformer and its second secondary winding is this supply unit, the different name end of the first secondary winding of described transformer connects respectively the negative pole of described the first one way conducting device and the positive pole of described the 3rd one way conducting device, the Same Name of Ends of the second secondary winding of described transformer connects respectively the negative pole of described the second one way conducting device and the positive pole of described the 4th one way conducting device, the positive pole of the positive pole of described the first one way conducting device and described the second one way conducting device is ground connection respectively, the negative pole of the negative pole of described the 3rd one way conducting device and described the 4th one way conducting device is the second voltage output of this supply unit.
2. supply unit according to claim 1, it is characterized in that, described supply unit also comprises for the inverter circuit of AC-input voltage is provided, the first output of described inverter circuit connects the Same Name of Ends of the former limit winding of described transformer, and the second output of described inverter circuit connects the different name end of the former limit winding of described transformer.
3. supply unit according to claim 2, is characterized in that, described inverter circuit is full bridge inverter, half-bridge inversion circuit, push-pull bridge inverter circuit.
4. supply unit according to claim 3, it is characterized in that, when described inverter circuit is half-bridge inversion circuit, described half-bridge inversion circuit comprises the first switching tube, second switch pipe, the first charging capacitor and the second charging capacitor, wherein, the first end of described the first switching tube connects the anode of DC power supply, the second end of described the first switching tube connects the first end of described second switch pipe, the second end ground connection of described second switch pipe, described the first charging capacitor and described the second charging capacitor are connected between the anode and ground of described DC power supply, the Same Name of Ends of the former limit winding of described transformer connects the second end of described the first switching tube, the different name end of the former limit winding of described transformer connects the tie point of described the first charging capacitor and described the second charging capacitor.
5. supply unit according to claim 4, it is characterized in that, described half-bridge inversion circuit also comprises the first resistance and the second resistance, described the first resistance and described the second resistance are connected between the anode and ground of described DC power supply, and the tie point of described the first resistance and described the second resistance is connected the different name end of the former limit winding of described transformer.
6. supply unit according to claim 1, is characterized in that, described the first one way conducting device, described the second one way conducting device, described the 3rd one way conducting device and described the 4th one way conducting device are respectively diode.
7. supply unit according to claim 1, is characterized in that, described the first one way conducting device, described the second one way conducting device, described the 3rd one way conducting device and described the 4th one way conducting device are respectively at least two diodes that are in parallel.
8. supply unit according to claim 1, it is characterized in that, described supply unit also comprises the first electric capacity of voltage regulation group and the second electric capacity of voltage regulation group, described the first electric capacity of voltage regulation group is connected between described the first voltage output end and ground, and described the second electric capacity of voltage regulation group is connected between described second voltage output and ground.
9. supply unit according to claim 8, is characterized in that, described the first electric capacity of voltage regulation group and described the second electric capacity of voltage regulation group comprise respectively two electric capacity of voltage regulation that are in parallel.
10. a power consumption equipment, is characterized in that, comprises the supply unit described in claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420221883.4U CN203851050U (en) | 2014-04-30 | 2014-04-30 | Electricity-consuming appliance and power source device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420221883.4U CN203851050U (en) | 2014-04-30 | 2014-04-30 | Electricity-consuming appliance and power source device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203851050U true CN203851050U (en) | 2014-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420221883.4U Expired - Lifetime CN203851050U (en) | 2014-04-30 | 2014-04-30 | Electricity-consuming appliance and power source device |
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| Country | Link |
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| CN (1) | CN203851050U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015165107A1 (en) * | 2014-04-30 | 2015-11-05 | 深圳欧陆通电子有限公司 | Electrical device and power supply device |
-
2014
- 2014-04-30 CN CN201420221883.4U patent/CN203851050U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015165107A1 (en) * | 2014-04-30 | 2015-11-05 | 深圳欧陆通电子有限公司 | Electrical device and power supply device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 518000 Guangdong city of Shenzhen province Baoan District two road Xixiang Street Gushu Xing Hui industrial plant workshop one or two, three (A, B, Xing Hui Science Park building C) Patentee after: SHENZHEN HONOR ELECTRONIC CO.,LTD. Address before: 518000 Guangdong, Shenzhen, Xixiang City, the town of the world on the road No. 111 Fuyuan Industrial City C7 building /C8 building Patentee before: SHENZHEN HONOR ELECTRONIC Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140924 |
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| CX01 | Expiry of patent term |