CN202120192U - Expanded external power supply - Google Patents

Expanded external power supply Download PDF

Info

Publication number
CN202120192U
CN202120192U CN2011202032066U CN201120203206U CN202120192U CN 202120192 U CN202120192 U CN 202120192U CN 2011202032066 U CN2011202032066 U CN 2011202032066U CN 201120203206 U CN201120203206 U CN 201120203206U CN 202120192 U CN202120192 U CN 202120192U
Authority
CN
China
Prior art keywords
power
extendible
power supply
supply unit
circumscribed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2011202032066U
Other languages
Chinese (zh)
Inventor
黄心圣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SilverStone Tech Co Ltd
Original Assignee
SilverStone Tech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SilverStone Tech Co Ltd filed Critical SilverStone Tech Co Ltd
Priority to CN2011202032066U priority Critical patent/CN202120192U/en
Application granted granted Critical
Publication of CN202120192U publication Critical patent/CN202120192U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Direct Current Feeding And Distribution (AREA)

Abstract

The utility mode discloses an expanded external power supply, which is applied to a computer host. The expended external power supply comprises at least one power module, a power integration unit and a voltage conversion unit, wherein each power module is used for receiving an alternating current input voltage and generating output power, the power integration unit is electrically connected with power modules and used for receiving output power generated by power modules, and a direct current output voltage is formed. The voltage conversion unit is electrically connected with the power integration unit and used for receiving the direct current output voltage generated by the power integration unit, and the direct current output voltage is converted into different voltage levels to be output. By means of the expended external power supply, users can flexibly increase and decrease the using quantity of power modules according to power output required by system load, thereby satisfying high-power using requirements and enabling the volume of the computer host to be small simultaneously.

Description

Extendible circumscribed power supply unit
Technical field
The utility model is relevant a kind of extendible circumscribed power supply unit, refers to a kind of extendible circumscribed power supply unit that is applied to computing machine especially.
Background technology
The power supply unit (Power Supply) of main frame special use at present; Provide the electric power output of multiple different size, comprise+12V ,-12V ,+5V, 3.3V ,+the dc voltage output end mouth of specifications such as 5VSB provides the required electric power of various electronic installations in the main frame.And these electronic installations be generally Winchester disk drive, CD-ROM drive, CD writer, motherboard or in build loudspeaker or the like.
Along with computer technology cooperates under the Internet and the multimedia technology fast development; The output power of power supply unit improves thereupon; Therefore; The hardware structure of required collocation except that as above-mentioned electronic installation, other computer-internal computer hardware with and the use of peripheral unit, increase especially for the demand of the more high-output power of power supply unit thereupon.250 watts of prime poweies were not inconsistent use already in the past, but must be promoted to 450 watts or higher output power, and gradually became multiple power source supply specification, can deal with the computer hardware that function upgrades day by day yet and be equipped with required.
Yet because the existing design of power supply unit still is assembled in main frame inside, and each item computer hardware all moves towards small-sized volume specifications design, therefore, is installed in the inner power supply unit of main frame and will forms restriction because of promoting its output power value.Otherwise if will adapt to the demand that the output power of power supply unit promotes, the volume specification of power supply unit certainly will cause the bottleneck in the design.
Therefore; How to design a kind of extendible circumscribed power supply unit that is applied to main frame; The user can export according to the required power of system load; And flexibly increase and decrease the usage quantity of power model, can reach high-power user demand, desire a big problem that overcomes and solve for the utility model.
The utility model content
In view of this, one of the present invention purpose is to provide a kind of extendible circumscribed power supply unit that is used for main frame that can reach the high power user demand.
In order to achieve the above object, the utility model provides a kind of extendible circumscribed power supply unit, and it is applied to a main frame.This extendible circumscribed power supply unit comprises at least one power model and a power integration unit.
This power model receives AC-input voltage, and produces output power.This power integration unit electrically connects this power model, and receives the output power that this power model produces, to produce VD.
Said power integration unit comprises:
Be used to detect the power-sensing circuit of the consumed power of said main frame; And
According to the consumed power of said main frame, the power control circuit of the output power of the said power model output of mean allocation, this power control circuit electrically connects this power-sensing circuit and said power model.
Each said power model is an AC-DC converter.
This extendible circumscribed power supply unit more comprises at least one in order to eliminating corresponding said AC-input voltage noise, and prevents the EMI FILTER of conduction electromagnetic noise interference.
Each said power model is placed in one to have in the casing of two above accommodation spaces.
The quantity of said power model is the consumed power adjustment according to said main frame.
Each said AC-input voltage is to be provided by an electric main power supply.
The utility model also provides a kind of extendible circumscribed power supply unit, and it is applied to a main frame.This extendible circumscribed power supply unit comprises at least one power model, a power integration unit and a voltage conversion unit.
This power model receives AC-input voltage, and produces output power.This power integration unit electrically connects these power models, and receives the output power that this power model produces, to produce VD.This voltage conversion unit, it electrically connects this power integration unit, and receives this VD that this power integration unit is produced, to convert the output of different voltage quasi positions into.
Said power integration unit comprises:
Be used to detect the power-sensing circuit of the consumed power of said main frame; And
According to the consumed power of said main frame, the power control circuit of the output power of the said power model output of mean allocation, this power control circuit electrically connects this power-sensing circuit and said power model.
Each said power model is an AC-DC converter.
This extendible circumscribed power supply unit more comprises at least one in order to eliminating corresponding said AC-input voltage noise, and prevents the EMI FILTER of conduction electromagnetic noise interference.
Each said power model is placed in one to have in the casing of two above accommodation spaces.
The quantity of said power model is the consumed power adjustment according to said main frame.
Each said AC-input voltage is to be provided by an electric main power supply.
Said voltage conversion unit is a DC-to-dc converter.
Said DC-to-dc converter is one to have the DC-to-dc converters of many group voltages output.
Said DC-to-dc converter is a buck converter, forward converter or direction flyback converter.
It is inner that said voltage conversion unit is arranged on said main frame.
By the extendible circumscribed power supply unit of the utility model; The user can export according to the required power of system load; And flexibly increase and decrease the usage quantity of power model, can reach high-power user demand, also can make the miniaturization of main frame volume simultaneously.
Description of drawings
Fig. 1 is the circuit block diagram of extendible circumscribed power supply unit first embodiment of the utility model;
Fig. 2 is the circuit block diagram of extendible circumscribed power supply unit second embodiment of the utility model;
Fig. 3 is the stereographic map of extendible circumscribed power supply unit first embodiment of the utility model;
Fig. 4 is the stereographic map of extendible circumscribed power supply unit second embodiment of the utility model.
Description of reference numerals
Figure BSA00000518688800031
Figure BSA00000518688800041
Embodiment
In order further to understand the utility model is to reach technology, means and the effect that predetermined purpose is taked; See also following detailed description and accompanying drawing about the utility model; Believe purpose, characteristic and the characteristics of the utility model; Can obtain thus going deep into and concrete understanding, yet appended accompanying drawing only provides reference and explanation usefulness, is not to be used for the utility model is limited.
Existing technology contents and detailed description of closing the utility model, conjunction with figs. is explained as follows:
See also shown in Figure 1ly, it is the circuit block diagram of extendible circumscribed power supply unit first embodiment of the utility model.This extendible circumscribed power supply unit 10 is applied to a main frame (not indicating among the figure).This extendible circumscribed power supply unit 10 comprises at least one power model and a power integration unit 108.
Wherein, this power model receives an AC-input voltage, and produces an output power.In the present embodiment, be the example explanation with (N=3) power model more than two, yet the enforcement of this case is not as limiting its accurate kenel of implementing.Just, this extendible circumscribed power supply unit 10 comprises three power models, is respectively first power model 102, second power model 104 and the 3rd power model 106.And this first power model 102 receives one first AC-input voltage Vac1, and produces one first output power Po1; This second power model 104 receives one second AC-input voltage Vac2, and produces one second output power Po2; And the 3rd power model 106 receptions one the 3rd AC-input voltage Vac3, and produce one the 3rd output power Po3.
This power integration unit 108 electrically connects these power models, and receives the output power that these power models produce, to produce a direct current output voltage V dc.That is, this power integration unit 108 electrically connects this first power model 102, and receives this first output power Po1 that this first power model 102 is produced; This power integration unit 108 electrically connects this second power model 104, and receives this second output power Po2 that this second power model 104 is produced; And this power integration unit 108 electric connections the 3rd power model 106, and receive the 3rd output power Po3 that the 3rd power model 106 is produced.
As for the detailed circuit framework and the principle of operation of this extendible circumscribed power supply unit 10, please cooperate referring to shown in Figure 3, this Fig. 3 is the stereographic map of extendible circumscribed power supply unit first embodiment of the utility model.As shown in Figure 3, this extendible circumscribed power supply unit 10 is installed in the casing (not indicating among the figure), and these power model correspondences are contained in two above accommodation spaces (not indicating among the figure) of this casing.Hold the above, in the present embodiment, be the example explanation with three power models, and suppose that the output rating of each power model is 1,000 watt.Yet the quantity of those power models is to adjust according to the required rated power of system load, to reach open-ended function.That is,, then can only install a power model if the employed computer hardware of user is equipped with required power in 1,000 watt.If being equipped with required power, the computer hardware that uses surpasses 1; 000 watt but, then can install two power models still not as good as 2,000 watts; Or originally only having under extendible circumscribed power supply unit 10 frameworks of a power model; Expand a power model again, to improve the peak power output of extendible circumscribed power supply unit 10, to meet the demand that electric hardware is equipped with.When the user expands this power model; A grip device capable of using (not indicating among the figure) advances action simply; Install this power model and be installed in the space, can accomplish the electric connection of this expansion power model and this extendible circumscribed power supply unit 10 open-ended.And this grip device capable of using is pulled out action simply, when this extendible circumscribed power supply unit 10 shuts down, takes out redundant power model.Whereby,, can flexibly increase and decrease the quantity of these power models, also reach the optimization running of this extendible circumscribed power supply unit 10 according to user's demand.
When being equipped with required power, the employed computer hardware of user reaches 2; 000 watt to 3; Between 000 watt, then this extendible circumscribed power supply unit 10 comprises three power models, is respectively this first power model 102, this second power model 104 and the 3rd power model 106.And these power models are supplied by an AC-input voltage respectively, and wherein, each this AC-input voltage is to be provided by an electric main power supply.This first power model 102 has one first power input 1022 and one first power switch 1024; This second power model 104 has a second source input end 1042 and a second source switch 1044; And the 3rd power model 106 have one the 3rd power input 1062 and one the 3rd power switch 1064.Therefore, this first power model 102 can receive this first AC-input voltage Vac1 through this first power input 1022, and this first power switch 1024 capable of using is controlled the unlatching of these first power models 102 or closed.Likewise, this second power model 104 can receive this second AC-input voltage Vac2 through this second source input end 1042, and this second source switch 1044 capable of using controls the unlatching of these second power models 104 or cuts out.The 3rd power model 106 can receive the 3rd AC-input voltage Vac3 through the 3rd power input 1062, and the 3rd power switch 1064 capable of using is controlled the unlatching of the 3rd power model 106 or closed.
In addition, each this power model is an AC-DC converter (AC/DC converter), and this extendible circumscribed power supply unit 10 more comprises at least one EMI FILTER (not indicating among the figure).With this first power model 102 is example; When this first power model 102 receives this first AC-input voltage Vac1 through this first power input 1022; And after opening this first power switch 1024; Received this first AC-input voltage Vac1 then through this EMI FILTER, eliminates the noise of this first AC-input voltage Vac1, and prevents the interference of conduction electromagnetic noise.Through this first power model 102 (AC-DC converter), convert this first AC-input voltage Vac1 into direct current output, and produce this first output power Po1 again.In like manner, this second power model 104 (AC-DC converter) converts this second AC-input voltage Vac2 into direct current output, and produces this second output power Po2.The 3rd power model 106 (AC-DC converter) converts the 3rd AC-input voltage Vac3 into direct current output, and produces the 3rd output power Po3.
Be worth mentioning, hold the above, this power integration unit 108 electrically connects these power models, and receives the output power that these power models produce, to produce a direct current output voltage V dc (its representative value is 12 volts).Wherein this power integration unit 108 comprises a power-sensing circuit (not indicating among the figure) and a power control circuit (not indicating among the figure).This power-sensing circuit is the power that system load consumed that detects this main frame.This power control circuit electrically connects this power-sensing circuit and these power models, and according to the power that system load consumed of this main frame that this power-sensing circuit detects, the output power that these power models of mean allocation are exported.Promptly; Detect the required power of system load as if this power-sensing circuit and be approximately 2 when this power integration unit 108; 100 watt-hours, then this power control circuit of this power integration unit 108 will be controlled each this power model output power and be about 700 watts, and will be required to reach system load.Certainly; In the computer system use; If system load power changes thereupon; Each this power model output power of control is adjusted through this power control circuit again through the required power of system load that this power-sensing circuit detects in 108 of this power integration unit, to reach the usefulness of dynamic power configuration.So, by the output power of these power model outputs of mean allocation, can be to increase the serviceable life of these power models.
In addition, see also Fig. 2, it is the circuit block diagram of extendible circumscribed power supply unit second embodiment of the utility model.This extendible circumscribed power supply unit 10 is applied to a main frame 20.This extendible circumscribed power supply unit 10 comprises at least one power model, a power integration unit 108 and a voltage conversion unit 202.Wherein, this voltage conversion unit 202 can be arranged on this main frame 20 inside.
Wherein, each this power model receives an AC-input voltage, and produces an output power.In the present embodiment, be the example explanation with (N=3) power model more than two, yet the enforcement of this case is not as limiting its accurate kenel of implementing.That is, this extendible circumscribed power supply unit 10 comprises three power models, is respectively one first power model 102, one second power model 104 and one the 3rd power model 106.And this first power model 102 receives one first AC-input voltage Vac1, and produces one first output power Po1; This second power model 104 is to receive one second AC-input voltage Vac2, and produces one second output power Po2; And the 3rd power model 106 receptions one the 3rd AC-input voltage Vac3, and produce one the 3rd output power Po3.
This power integration unit 108 electrically connects these power models, and receives the output power that these power models produce, to produce a direct current output voltage V dc.That is, this power integration unit 108 electrically connects this first power model 102, and receives this first output power Po1 that this first power model 102 is produced; This power integration unit 108 electrically connects this second power model 104, and receives this second output power Po2 that this second power model 104 is produced; And this power integration unit 108 electric connections the 3rd power model 106, and receive the 3rd output power Po3 that the 3rd power model 106 is produced.
This voltage conversion unit 202 electrically connects this power integration unit 108, and receives this VD Vdc that this power integration unit 108 is produced, to convert the output of different voltage quasi positions into.Wherein, This voltage conversion unit 202 is a DC-to-dc converter (DC/DC converter); And; This DC-to-dc converter is a buck converter (Buck Converter), forward converter (Forward Converter) or direction flyback converter (Flyback Converter), but not as limit.Wherein, This DC-to-dc converter is one to have the DC-to-dc converters of many group voltages output; So that different voltage quasi position outputs as shown in Figure 2 to be provided; Be+3.3 volts ,+5 volts ,+12 volts ,-12 volts perhaps+5 volt standby voltages, but not as limit, so that the power supply supply requirement of the required different voltage quasi positions of these main frame 20 internal circuits to be provided.
As for the detailed circuit framework and the principle of operation of this extendible circumscribed power supply unit 10, please cooperate referring to Fig. 4, Fig. 4 is the stereographic map of extendible circumscribed power supply unit second embodiment of the utility model.As shown in Figure 4, this extendible circumscribed power supply unit 10 is installed in the casing (not indicating among the figure), and these power model correspondences are contained in two above accommodation spaces (not indicating among the figure) of this casing.Hold the above, in the present embodiment, be the example explanation with three power models, and suppose that the output rating of each power model is 1,000 watt.Yet, the quantity of these power models, rated power adjustment that can be required according to system load is to reach open-ended function.That is,, then can only install a power model if the employed computer hardware of user is equipped with required power in 1,000 watt.If being equipped with required power, the computer hardware that uses surpasses 1; 000 watt but, then can install two power models still not as good as 2,000 watts; Or originally only having under extendible circumscribed power supply unit 10 frameworks of a power model; Expand a power model again, to improve the peak power output of extendible circumscribed power supply unit 10, to meet the demand that electric hardware is equipped with.When the user expands this power model; A grip device capable of using (not indicating among the figure) advances action simply; Install this power model and be installed in the space, can accomplish the electric connection of this expansion power model and this extendible circumscribed power supply unit 10 open-ended.And this grip device capable of using is pulled out action simply, when this extendible circumscribed power supply unit 10 shuts down, takes out redundant power model.Whereby,, can flexibly increase and decrease the quantity of these power models, also reach the optimization running of this extendible circumscribed power supply unit 10 according to user's demand.
When being equipped with required power, the employed computer hardware of user reaches 2; 000 watt to 3; Between 000 watt, then this extendible circumscribed power supply unit 10 comprises three power models, is respectively this first power model 102, this second power model 104 and the 3rd power model 106.And these power models are supplied by an AC-input voltage respectively, and wherein, each this AC-input voltage is to be provided by an electric main power supply.This first power model 102 has one first power input 1022 and one first power switch 1024; This second power model 104 has a second source input end 1042 and a second source switch 1044; And the 3rd power model 106 have one the 3rd power input 1062 and one the 3rd power switch 1064.Therefore, this first power model 102 can receive this first AC-input voltage Vac1 through this first power input 1022, and this first power switch 1024 capable of using is controlled the unlatching of these first power models 102 or closed.Likewise, this second power model 104 can receive this second AC-input voltage Vac2 through this second source input end 1042, and this second source switch 1044 capable of using controls the unlatching of these second power models 104 or cuts out.The 3rd power model 106 can receive the 3rd AC-input voltage Vac3 through the 3rd power input 1062, and the 3rd power switch 1064 capable of using is controlled the unlatching of the 3rd power model 106 or closed.
In addition, each this power model is an AC-DC converter (AC/DC converter), and this extendible circumscribed power supply unit 10 more comprises at least one EMI FILTER (not indicating among the figure).With this first power model 102 is example; When this first power model 102 receives this first AC-input voltage Vac1 through this first power input 1022; And after opening this first power switch 1024; Received this first AC-input voltage Vac1 then through this EMI FILTER, eliminates the noise of this first AC-input voltage Vac1, and prevents the interference of conduction electromagnetic noise.Through this first power model 102 (AC-DC converter), convert this first AC-input voltage Vac1 into direct current output, and produce this first output power Po1 again.In like manner, this second power model 104 (AC-DC converter) converts this second AC-input voltage Vac2 into direct current output, and produces this second output power Po2.The 3rd power model 106 (AC-DC converter) converts the 3rd AC-input voltage Vac3 into direct current output, and produces the 3rd output power Po3.
Be worth mentioning, hold the above, this power integration unit 108 is to electrically connect these power models, and receives the output power that those power models produce, to produce a direct current output voltage V dc (its representative value is 12 volts).Wherein this power integration unit 108 comprises a power-sensing circuit (not indicating among the figure) and a power control circuit (not indicating among the figure).This power-sensing circuit detects the power that system load consumed of this main frame.This power control circuit electrically connects this power detecting circuit and those power models, and according to the power that system load consumed of this main frame that this power-sensing circuit detects, the output power that these power models of mean allocation are exported.Promptly; Detect the required power of system load as if this power-sensing circuit and be approximately 2 when this power integration unit 108; 100 watt-hours, then this power control circuit of this power integration unit 108 will be controlled each this power model output power and be about 700 watts, and will be required to reach system load.Certainly; In the computer system use; If system load power changes thereupon; Each this power model output power of control is adjusted through this power control circuit again through the required power of system load that this power-sensing circuit detects in 108 of this power integration unit, to reach the usefulness of dynamic power configuration.So, by the output power of these power model outputs of mean allocation, can be to increase the serviceable life of these power models.
In sum, the utlity model has following advantage:
1, export according to the required rated power of these main frame 20 system loads, the user can flexibly install the power model quantity of this extendible circumscribed power supply unit 10;
2, utilize these extendible circumscribed power supply unit 10 external modes to be installed in the main frame outside, can reduce the space that takies this main frame 20 widely, and can reach high-power user demand simultaneously;
3, this power-sensing circuit through this power integration unit 108 detects the required power of system load; To control each this power model output power through this power control circuit again; With the output power of these power models of mean allocation, so will increase the serviceable life of these power models; And
4, in the computer system use; If system load power changes thereupon; 108 of this power integration unit are through the required power of system load that this power-sensing circuit detects; Again through this each this power model output power of power control circuit adjustment control, to reach the usefulness of dynamic power configuration.
But; The above be merely the detailed description and the accompanying drawing of the utility model preferred embodiment, but the characteristic of the utility model is not limited thereto; Be not in order to restriction the utility model; All scopes of the utility model should be as the criterion with the claim scope, and every closing in the embodiment of the spirit variation similar with it of the utility model claim all should be contained in the protection domain of the utility model; Any people who is familiar with this technology in the field of the utility model, can think easily and variation or modify all can be encompassed in the claim scope of this case.

Claims (18)

1. extendible circumscribed power supply unit, it is applied to a main frame, it is characterized in that, and this extendible circumscribed power supply unit comprises:
The power model that at least one receives AC-input voltage and produces output power; And
Can produce the power integration unit of VD, it electrically connects this power model, and receives the output power that those power models produce.
2. extendible circumscribed power supply unit as claimed in claim 1 is characterized in that, said power integration unit comprises:
Be used to detect the power-sensing circuit of the consumed power of said main frame; And
According to the consumed power of said main frame, the power control circuit of the output power of the said power model output of mean allocation, this power control circuit electrically connects this power-sensing circuit and said power model.
3. extendible circumscribed power supply unit as claimed in claim 1 is characterized in that each said power model is an AC-DC converter.
4. extendible circumscribed power supply unit as claimed in claim 1; It is characterized in that; This extendible circumscribed power supply unit more comprises at least one in order to eliminating corresponding said AC-input voltage noise, and prevents the EMI FILTER of conduction electromagnetic noise interference.
5. extendible circumscribed power supply unit as claimed in claim 1 is characterized in that, each said power model is placed in one to have in the casing of two above accommodation spaces.
6. extendible circumscribed power supply unit as claimed in claim 1 is characterized in that, the quantity of said power model is the consumed power adjustment according to said main frame.
7. extendible circumscribed power supply unit as claimed in claim 1 is characterized in that, each said AC-input voltage is to be provided by an electric main power supply.
8. extendible circumscribed power supply unit, it is applied to a main frame, it is characterized in that, and this extendible circumscribed power supply unit system comprises:
At least one receives AC-input voltage, and produces the power model of output power;
Produce the power integration unit of VD, it electrically connects this power model, and receives the output power that this power model produces; And
Receive the VD that this power integration unit is produced, with the voltage conversion unit of the output that converts different voltage quasi positions into, this voltage conversion unit electrically connects this power integration unit.
9. extendible circumscribed power supply unit as claimed in claim 8 is characterized in that, said power integration unit comprises:
Be used to detect the power-sensing circuit of the consumed power of said main frame; And
According to the consumed power of said main frame, the power control circuit of the output power of the said power model output of mean allocation, this power control circuit electrically connects this power-sensing circuit and said power model.
10. extendible circumscribed power supply unit as claimed in claim 8 is characterized in that each said power model is an AC-DC converter.
11. extendible circumscribed power supply unit as claimed in claim 8; It is characterized in that; This extendible circumscribed power supply unit more comprises at least one in order to eliminating corresponding said AC-input voltage noise, and prevents the EMI FILTER of conduction electromagnetic noise interference.
12. extendible circumscribed power supply unit as claimed in claim 8 is characterized in that, each said power model is placed in one to have in the casing of two above accommodation spaces.
13. extendible circumscribed power supply unit as claimed in claim 9 is characterized in that, the quantity of said power model is the consumed power adjustment according to said main frame.
14. extendible circumscribed power supply unit as claimed in claim 9 is characterized in that, each said AC-input voltage is to be provided by an electric main power supply.
15. extendible circumscribed power supply unit as claimed in claim 9 is characterized in that said voltage conversion unit is a DC-to-dc converter.
16. extendible circumscribed power supply unit as claimed in claim 15 is characterized in that, said DC-to-dc converter is one to have the DC-to-dc converters of many group voltages output.
17. extendible circumscribed power supply unit as claimed in claim 15 is characterized in that said DC-to-dc converter is a buck converter, forward converter or direction flyback converter.
18. extendible circumscribed power supply unit as claimed in claim 8 is characterized in that, it is inner that said voltage conversion unit is arranged on said main frame.
CN2011202032066U 2011-06-16 2011-06-16 Expanded external power supply Expired - Fee Related CN202120192U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011202032066U CN202120192U (en) 2011-06-16 2011-06-16 Expanded external power supply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011202032066U CN202120192U (en) 2011-06-16 2011-06-16 Expanded external power supply

Publications (1)

Publication Number Publication Date
CN202120192U true CN202120192U (en) 2012-01-18

Family

ID=45461241

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011202032066U Expired - Fee Related CN202120192U (en) 2011-06-16 2011-06-16 Expanded external power supply

Country Status (1)

Country Link
CN (1) CN202120192U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104635898A (en) * 2013-11-13 2015-05-20 启碁科技股份有限公司 Power integration device and power control method thereof
JP2018169461A (en) * 2017-03-29 2018-11-01 三菱電機株式会社 Information display device
CN111064349A (en) * 2019-12-30 2020-04-24 无锡市金赛德电子有限公司 Electric ATX power supply and redundancy implementation method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104635898A (en) * 2013-11-13 2015-05-20 启碁科技股份有限公司 Power integration device and power control method thereof
CN104635898B (en) * 2013-11-13 2017-09-12 启碁科技股份有限公司 Power supply integrating apparatus and its power control method
JP2018169461A (en) * 2017-03-29 2018-11-01 三菱電機株式会社 Information display device
JP7012448B2 (en) 2017-03-29 2022-01-28 三菱電機株式会社 Information display device
CN111064349A (en) * 2019-12-30 2020-04-24 无锡市金赛德电子有限公司 Electric ATX power supply and redundancy implementation method thereof

Similar Documents

Publication Publication Date Title
US11114945B2 (en) Secondary-controlled active clamp implementation for improved efficiency
JP3153603U (en) Power supply device
US10714944B2 (en) Charger circuit and power conversion circuit thereof
US20120194124A1 (en) Wireless Battery Charging System
CN103294152B (en) Server power supply system
CN202120192U (en) Expanded external power supply
CN102932156A (en) Micro server and micro server cluster system
TW200627779A (en) Electric power storage system using electric double-layer capacitors
EP2712049B1 (en) Temperature-controlled equipment and cabinet for communication equipment
US8054661B2 (en) AC adapter and the control method thereof
CN108365749A (en) A kind of direct current ATX power supplys
US20110320829A1 (en) Power Supply Device Having USB Port with Large Current
CN102567264B (en) Universal serial bus hub and power source management method thereof
US8994468B2 (en) Modulation method and control device having the same
CN202019296U (en) Self-adapting ultra-wide voltage power supply of 3G video monitoring equipment
TWI408866B (en) Uninterruptible power supply system and method
EP3570361A1 (en) Energy level conversion circuit for portable energy storage device
JP2020031528A (en) Permanent power supply and method for operating the same
US20130049474A1 (en) Power switching apparatus and a power supply system incorporating the same
CN201307827Y (en) Multi-voltage supplied power supplier
EP2573647A1 (en) Extensible external power supply
TWM415336U (en) Extensible external power supply
US20130073881A1 (en) Extensible external power supply
CN201887783U (en) USB (universal serial bus) powered portable router
TW201444257A (en) Frequency detection apparatus

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120118

Termination date: 20180616

CF01 Termination of patent right due to non-payment of annual fee