CN207801476U - A kind of CPCI power supply backplanes with alternating current-direct current automatic switching function - Google Patents
A kind of CPCI power supply backplanes with alternating current-direct current automatic switching function Download PDFInfo
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- CN207801476U CN207801476U CN201721893744.6U CN201721893744U CN207801476U CN 207801476 U CN207801476 U CN 207801476U CN 201721893744 U CN201721893744 U CN 201721893744U CN 207801476 U CN207801476 U CN 207801476U
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- contactor
- power supply
- main
- direct current
- voltage relay
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Abstract
The utility model is related to server power supply FIELD OF THE INVENTIONThes, more particularly to a kind of CPCI power supply backplanes with alternating current-direct current automatic switching function, it includes direct-flow input end mouth, ac input end mouth, Power transfer system and loading interfaces, Power transfer system includes main A.C. contactor, voltage relay, secondary A.C. contactor, D.C. contactor, AC output interface and DC output interface, the main contacts of main A.C. contactor is connect with ac input end mouth, the break-make of the normally opened contact of main A.C. contactor and the normally opened contact series connection access ac power supply line control ac power supply line of voltage relay, the contact of D.C. contactor is connect with direct-flow input end mouth, the normally-closed contact of main A.C. contactor, the break-make of the contact series access direct current supply line control direct current supply line of the normally-closed contact of voltage relay and secondary A.C. contactor.Apparatus structure provided by the utility model is simple, simple in structure, can realize the CPCI power supply backplanes of alternating current-direct current auto-conversion function.
Description
Technical field
The utility model relates to server for electrical domain more particularly to a kind of CPCI electricity with alternating current-direct current automatic switching function
Source backboard.
Background technology
The power supply backplane of server is the component realized server and connect with power supply system, is the base of server normal work
Plinth, and the reliability of server power supply directly affects the whole system of its service.Existing server is typically all only to exchange
Power supply power supply, when power supply system breaks down, when powering off, the whole system that will result in its service is paralysed, this requires
Server should also provide stand-by power supply other than using AC power supply, and how accurately usually high direct voltage battery group is powered,
It is reliable to realize that the conversion of power of alterating and direct current is the utility model technical issues that need to address.
Utility model content
The technical problem to be solved by the utility model is to provide simple in structure, alternating current-direct current auto-conversion function can be realized
CPCI power supply backplanes.
The utility model is to be achieved by the following technical programs：
A kind of CPCI power supply backplanes with alternating current-direct current automatic switching function comprising direct-flow input end mouth, exchange input
Port, Power transfer system and loading interfaces, the Power transfer system include main A.C. contactor, voltage relay, secondary friendship
Flow contactor, D.C. contactor, AC output interface and DC output interface, the main contacts of main A.C. contactor and exchanging inputs
Port connects, the normally opened contact series connection access ac power supply line control of the normally opened contact and voltage relay of main A.C. contactor
The contact of the break-make of ac power supply line, D.C. contactor is connect with direct-flow input end mouth, the normally-closed contact of main A.C. contactor,
The normally-closed contact of voltage relay and secondary ac contactor contact series connection access direct current supply line control direct current supply line
Break-make, the AC output interface and DC output interface are connect with loading interfaces respectively.
Further, the normally opened contact of voltage relay is two and is serially connected.
Further, the normally-closed contact of voltage relay is for two and parallel with one another.
The advantageous effect of utility model
A kind of CPCI power supply backplanes with alternating current-direct current automatic switching function comprising direct-flow input end mouth, exchange input
Port, Power transfer system and loading interfaces, the Power transfer system include main A.C. contactor, voltage relay, secondary friendship
Contactor, D.C. contactor, AC output interface and DC output interface are flowed, a Power transfer system is set in this way, makes master
The normally opened contact of A.C. contactor and the normally opened contact series connection access ac power supply line of voltage relay control Alternating Current Power Supply line
The break-make on road, the normally-closed contact of main A.C. contactor, the normally-closed contact of voltage relay and secondary ac contactor contact series connection
The break-make for entering direct current supply line control direct current supply line, when AC power normal power supply, main A.C. contactor main contacts
It is connected with AC power, the normally opened contact of normally opened contact and voltage relay is connected, and output is powered by AC power, works as exchange
Power failure, voltage relay lose excitation, and the normally opened contact of the voltage relay disconnects, and normally-closed contact is closed, and makes master
The main contacts of ac contactor coil loss of excitation, main A.C. contactor just disconnects, and joins to make power supply buses be detached from AC power
System.After the main contacts of main A.C. contactor disconnects, normally-closed contact is closed, and the normally-closed contact of voltage relay has been closed,
So the coil magnetization of secondary A.C. contactor, secondary AC contactor touch head are switched on, make the coil magnetization of D.C. contactor, direct current
Probe of contactor is connected, and output power supply is switched on DC power supply automatically, to make server smoothly realize standby usage power supply
Cut-out, ensure the power supply reliability of server.
The normally opened contact of voltage relay is two and is serially connected, and works as AC mains failure, any phase in this way
When losing voltage, any one voltage relay normally opened contact disconnects, and can all make main ac contactor coil loss of excitation, so as to lean on
And rapidly realize the conversion of power of alterating and direct current.
Further, the normally-closed contact of voltage relay is for two and parallel with one another, works as AC mains failure in this way, appoints
When what phase loses voltage, any one voltage relay normally-closed contact is closed, and can all make the coil magnetization of secondary A.C. contactor,
To fast implement the connection of DC power supply.
Description of the drawings
Fig. 1 is power supply backplane connection diagram；
Fig. 2 is Power transfer system principle schematic；
The normally opened contact of 1. main A.C. contactors in figure, the normally opened contact of 2. voltage relays, 3. D.C. contactors touch
Point, the normally-closed contact of 4. main A.C. contactors, the normally-closed contact of 5. voltage relays, 6. secondary ac contactor contacts.
Specific implementation mode
A kind of CPCI power supply backplanes with alternating current-direct current automatic switching function comprising direct-flow input end mouth, exchange input
Port, Power transfer system and loading interfaces, the Power transfer system include main A.C. contactor, voltage relay, secondary friendship
Flow contactor, D.C. contactor, AC output interface and DC output interface, the main contacts of main A.C. contactor and exchanging inputs
Port connects, the series connection access ac power supply line control of normally opened contact 2 of the normally opened contact 1 and voltage relay of main A.C. contactor
The contact 3 of the break-make of ac power supply line processed, D.C. contactor is connect with direct-flow input end mouth, and the normally closed of main A.C. contactor is touched
Point 4, the normally-closed contact 5 of voltage relay and the secondary series connection of ac contactor contact 6 access direct current supply line control direct current supply
The break-make of circuit, the AC output interface and DC output interface are connect with loading interfaces respectively.
Further, the normally opened contact of voltage relay is two and is serially connected.
Further, the normally-closed contact of voltage relay is for two and parallel with one another.
Due to a kind of CPCI power supply backplanes with alternating current-direct current automatic switching function comprising direct-flow input end mouth, exchange
Input port, Power transfer system and loading interfaces, the Power transfer system include main A.C. contactor, voltage relay,
A Power transfer system is arranged in secondary A.C. contactor, D.C. contactor, AC output interface and DC output interface in this way,
The normally opened contact series connection access ac power supply line control exchange of the normally opened contact and voltage relay of main A.C. contactor is set to supply
The break-make of electric line, the normally-closed contact of main A.C. contactor, the normally-closed contact of voltage relay and secondary ac contactor contact string
Couple the break-make that direct current supply line is controlled into direct current supply line, when AC power normal power supply, main A.C. contactor master
Contact is connected with AC power, and the normally opened contact of normally opened contact and voltage relay is connected, and output is powered by AC power, when
AC mains failure, voltage relay lose excitation, and the normally opened contact of the voltage relay disconnects, and normally-closed contact is closed,
Main ac contactor coil loss of excitation, the main contacts of main A.C. contactor is set just to disconnect, to keep power supply buses de- with AC power
From contact.After the main contacts of main A.C. contactor disconnects, normally-closed contact is closed, and the normally-closed contact of voltage relay has closed
It closes, so the coil magnetization of secondary A.C. contactor, secondary AC contactor touch head are switched on, makes the coil magnetization of D.C. contactor,
D.C. contactor contact is connected, and output power supply is switched on DC power supply automatically, to make server smoothly realize standby usage
The cut-out of power supply ensures the power supply reliability of server.
The normally opened contact of voltage relay is two and is serially connected, and works as AC mains failure, any phase in this way
When losing voltage, any one voltage relay normally opened contact disconnects, and can all make main ac contactor coil loss of excitation, so as to lean on
And rapidly realize the conversion of power of alterating and direct current.
Further, the normally-closed contact of voltage relay is for two and parallel with one another, works as AC mains failure in this way, appoints
When what phase loses voltage, any one voltage relay normally-closed contact is closed, and can all make the coil magnetization of secondary A.C. contactor,
To fast implement the connection of DC power supply.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (3)
1. a kind of CPCI power supply backplanes with alternating current-direct current automatic switching function, which is characterized in that including direct-flow input end mouth, hand over
Input port is flowed, Power transfer system and loading interfaces, the Power transfer system include main A.C. contactor, voltage relay
Device, secondary A.C. contactor, D.C. contactor, AC output interface and DC output interface, the main contacts of main A.C. contactor with
Ac input end mouth connects, the normally opened contact of main A.C. contactor and the normally opened contact series connection access Alternating Current Power Supply of voltage relay
Circuit controls the break-make of ac power supply line, and the contact of D.C. contactor is connect with direct-flow input end mouth, main A.C. contactor
Normally-closed contact, the normally-closed contact of voltage relay and secondary ac contactor contact series connection access direct current supply line control direct current supply
The break-make of electric line, the AC output interface and DC output interface are connect with loading interfaces respectively.
2. a kind of CPCI power supply backplanes with alternating current-direct current automatic switching function according to claim 1, which is characterized in that
The normally opened contact of voltage relay is two and is serially connected.
3. a kind of CPCI power supply backplanes with alternating current-direct current automatic switching function according to claim 1 or 2, feature exist
In the normally-closed contact of voltage relay is for two and parallel with one another.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721893744.6U CN207801476U (en) | 2017-12-29 | 2017-12-29 | A kind of CPCI power supply backplanes with alternating current-direct current automatic switching function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721893744.6U CN207801476U (en) | 2017-12-29 | 2017-12-29 | A kind of CPCI power supply backplanes with alternating current-direct current automatic switching function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207801476U true CN207801476U (en) | 2018-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721893744.6U Expired - Fee Related CN207801476U (en) | 2017-12-29 | 2017-12-29 | A kind of CPCI power supply backplanes with alternating current-direct current automatic switching function |
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| Country | Link |
|---|---|
| CN (1) | CN207801476U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109839590A (en) * | 2019-03-08 | 2019-06-04 | 唐山百川智能机器股份有限公司 | A kind of relay test device and method |
| CN111342651A (en) * | 2020-04-01 | 2020-06-26 | 中国电子科技集团公司第五十四研究所 | Alternating current-direct current dual-input card-insertion type time system equipment power supply with electromagnetic compatibility and redundant output |
| CN112350554A (en) * | 2020-11-06 | 2021-02-09 | 株洲壹星科技股份有限公司 | Multi-path power supply collinear method and device |
-
2017
- 2017-12-29 CN CN201721893744.6U patent/CN207801476U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109839590A (en) * | 2019-03-08 | 2019-06-04 | 唐山百川智能机器股份有限公司 | A kind of relay test device and method |
| CN111342651A (en) * | 2020-04-01 | 2020-06-26 | 中国电子科技集团公司第五十四研究所 | Alternating current-direct current dual-input card-insertion type time system equipment power supply with electromagnetic compatibility and redundant output |
| CN112350554A (en) * | 2020-11-06 | 2021-02-09 | 株洲壹星科技股份有限公司 | Multi-path power supply collinear method and device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 Termination date: 20181229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |