CN204231016U - The plug-and-play circuit of Modularized power UPS - Google Patents
The plug-and-play circuit of Modularized power UPS Download PDFInfo
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- CN204231016U CN204231016U CN201420770369.6U CN201420770369U CN204231016U CN 204231016 U CN204231016 U CN 204231016U CN 201420770369 U CN201420770369 U CN 201420770369U CN 204231016 U CN204231016 U CN 204231016U
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Abstract
The utility model discloses the plug-and-play circuit of a kind of Modularized power UPS, comprise rectifier, battery, static switch, inverter, load, DC chopper, the first diode, the second diode, the first relay, the second relay, the first fuse and the second fuse.Circuit after rectifier is exported booster circuit and the inverter circuit that high pressure is connected in parallel to inverter respectively by the utility model, inverter is made to become 1 grade of conversion from original 2 grades of conversion, export after being connected to DC chopper conversion simultaneously and charge the battery, avoid in hot plug process, occurring very large impulse current or occurring that more serious conditions loom damages.
Description
Technical field
The utility model relates to UPS circuit, particularly relates to the plug-and-play circuit of a kind of Modularized power UPS.
Background technology
The AC rectification of AC civil power becomes close to cell voltage by traditional its rectifier of UPS circuit, give inverter and powered battery simultaneously, under normal circumstances, what have rectifier exports to inverter power supply, inverter by rectifier input voltage through isolation booster circuit DC/DC boost, then through the inverter circuit DC/AC inversion of inverter be alternating current powering load.Inverter power supply powering load after 2 grades of conversion is exported in this on line type UPS rectification, even if wherein the DC/DC of inverter adopts the high efficiency Boost topology of LLC still to have the loss of about 5%.
Utility model content
The purpose of this utility model is just the plug-and-play circuit providing a kind of Modularized power UPS in order to solve the problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The plug-and-play circuit of a kind of Modularized power UPS, comprise rectifier, battery, static switch, inverter, load, DC chopper, first diode, second diode, first relay and the second relay, first ac input end of described rectifier connects civil power after being connected with the first end of the first switch of described static switch, civil power is connect after second ac input end of described rectifier is connected with the first end of the second switch of described static switch, the cathode output end of described rectifier is connected with the positive pole of described first diode and the electrode input end of described DC chopper respectively, the cathode output end of described rectifier is connected with the negative pole of described second diode and the negative input of described DC chopper respectively, the cathode output end of described DC chopper is connected with the electrode input end of the positive terminal of described battery and the booster circuit of described inverter respectively, the cathode output end of described DC chopper is connected with the negative input of the negative pole end of described battery and the booster circuit of described inverter respectively, the negative pole of described first diode is connected with the first end of described first relay, second end of described first relay is connected with the electrode input end of the inverter circuit of described inverter, the positive pole of described second diode is connected with the first end of described second relay, second end of described second relay is connected with the negative input of the inverter circuit of described inverter, second end of the first switch of described static switch is connected with the first ac output end of described inverter and the first ac input end of described load respectively, second end of the second switch of described static switch is connected with the second ac output end of described inverter and the second ac input end of described load respectively.
Further, described circuit also comprises the first fuse and the second fuse, described first fuse is arranged on the circuit between described first relay and described inverter, and described second fuse is arranged on the circuit between described second relay and described inverter.
The beneficial effects of the utility model are:
Circuit after rectifier is exported booster circuit and the inverter circuit that high pressure is connected in parallel to inverter respectively by the utility model, inverter is made to become 1 grade of conversion from original 2 grades of conversion, export after being connected to DC chopper conversion simultaneously and charge the battery, avoid in hot plug process, occurring very large impulse current or occurring that more serious conditions loom damages.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the plug-and-play circuit of the utility model Modularized power UPS.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, the plug-and-play circuit of the utility model Modularized power UPS, comprise rectifier PFC, battery BAT, static switch K, inverter DA, load LO, DC chopper E, first diode D1, second diode D2, first relay R LY1, second relay R LY2, first fuse F1 and the second fuse F2, first ac input end of rectifier PFC connects civil power after being connected with the first end of first switch of static switch K, civil power is connect after second ac input end of rectifier PFC is connected with the first end of the second switch of static switch K, the cathode output end of rectifier PFC is connected with the positive pole of the first diode D1 and the electrode input end of DC chopper E respectively, the cathode output end of rectifier PFC is connected with the negative pole of the second diode D2 and the negative input of DC chopper E respectively, the cathode output end of DC chopper E is connected with the electrode input end of the positive terminal of battery BAT and the booster circuit of inverter DA respectively, the cathode output end of DC chopper E is connected with the negative input of the negative pole end of battery BAT and the booster circuit of inverter DA respectively, the negative pole of the first diode D1 is connected with the first end of the first relay R LY1, second end of the first relay R LY1 is connected with the electrode input end of the inverter circuit of inverter DA, the positive pole of the second diode D2 is connected with the first end of the second relay R LY2, second end of the second relay R LY2 is connected with the negative input of the inverter circuit of inverter DA, second end of first switch of static switch K is connected with first ac output end of inverter DA and first ac input end of load LO respectively, second end of the second switch of static switch K is connected with second ac output end of inverter DA and second ac input end of load LO respectively, first fuse F1 is arranged on the circuit between the first relay R LY1 and inverter DA, second fuse F2 is arranged on the circuit between the second relay R LY2 and inverter DA.
The operation principle of the plug-and-play circuit of the utility model Modularized power UPS is as follows:
Circuit after rectifier PFC is exported booster circuit and the inverter circuit that high pressure is connected in parallel to inverter DA respectively, inverter DA is made to become 1 grade of conversion from original 2 grades of conversion, export to battery BAT after being connected to DC chopper E conversion to charge simultaneously, simultaneously owing to requiring that system can support hot plug, therefore to rectifier PFC ± junction of BUS will be done special circuit design, be avoided in hot plug process, occurring very large impulse current or occurring that more serious conditions loom damages.The Inverter that the utility model can effectively avoid the impulse current of hot plug to damage and rectification module, during insertion, first relay R LY1 and the second relay R LY2 disconnects, and the first relay R LY1 and the second relay R LY2 adhesive condition are that DC chopper E is soft opens the highest bus being greater than rectifier PFC and normally working, when avoiding adhesive, rectifier PFC is to the electric capacity heavy impulse current of inverter circuit in inverter DA, and rectifier PFC exports whether normal by CAN communication and bus signals position redundancy, thus the reliability of the system of guarantee.
The technical solution of the utility model is not limited to the restriction of above-mentioned specific embodiment, and every technology distortion made according to the technical solution of the utility model, all falls within protection range of the present utility model.
Claims (2)
1. the plug-and-play circuit of a Modularized power UPS, comprise rectifier, battery, static switch, inverter and load, it is characterized in that: also comprise DC chopper, first diode, second diode, first relay and the second relay, first ac input end of described rectifier connects civil power after being connected with the first end of the first switch of described static switch, civil power is connect after second ac input end of described rectifier is connected with the first end of the second switch of described static switch, the cathode output end of described rectifier is connected with the positive pole of described first diode and the electrode input end of described DC chopper respectively, the cathode output end of described rectifier is connected with the negative pole of described second diode and the negative input of described DC chopper respectively, the cathode output end of described DC chopper is connected with the electrode input end of the positive terminal of described battery and the booster circuit of described inverter respectively, the cathode output end of described DC chopper is connected with the negative input of the negative pole end of described battery and the booster circuit of described inverter respectively, the negative pole of described first diode is connected with the first end of described first relay, second end of described first relay is connected with the electrode input end of the inverter circuit of described inverter, the positive pole of described second diode is connected with the first end of described second relay, second end of described second relay is connected with the negative input of the inverter circuit of described inverter, second end of the first switch of described static switch is connected with the first ac output end of described inverter and the first ac input end of described load respectively, second end of the second switch of described static switch is connected with the second ac output end of described inverter and the second ac input end of described load respectively.
2. the plug-and-play circuit of Modularized power UPS according to claim 1, it is characterized in that: also comprise the first fuse and the second fuse, described first fuse is arranged on the circuit between described first relay and described inverter, and described second fuse is arranged on the circuit between described second relay and described inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420770369.6U CN204231016U (en) | 2014-12-09 | 2014-12-09 | The plug-and-play circuit of Modularized power UPS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420770369.6U CN204231016U (en) | 2014-12-09 | 2014-12-09 | The plug-and-play circuit of Modularized power UPS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204231016U true CN204231016U (en) | 2015-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420770369.6U Expired - Fee Related CN204231016U (en) | 2014-12-09 | 2014-12-09 | The plug-and-play circuit of Modularized power UPS |
Country Status (1)
| Country | Link |
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| CN (1) | CN204231016U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160199A (en) * | 2016-08-29 | 2016-11-23 | 浪潮电子信息产业股份有限公司 | A kind of prevent the device of whole machine cabinet power down, rack and method |
-
2014
- 2014-12-09 CN CN201420770369.6U patent/CN204231016U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160199A (en) * | 2016-08-29 | 2016-11-23 | 浪潮电子信息产业股份有限公司 | A kind of prevent the device of whole machine cabinet power down, rack and method |
| WO2018040777A1 (en) * | 2016-08-29 | 2018-03-08 | 浪潮电子信息产业股份有限公司 | Device, cabinet, and method for preventing power outage of entire cabinet |
| CN106160199B (en) * | 2016-08-29 | 2019-03-12 | 浪潮电子信息产业股份有限公司 | A kind of device preventing whole machine cabinet power down, cabinet and method |
| US11422604B2 (en) | 2016-08-29 | 2022-08-23 | Inspur Electronic Information Industry Co., Ltd. | Device, cabinet, and method for preventing power outage of entire cabinet |
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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: 20150325 Termination date: 20171209 |
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| CF01 | Termination of patent right due to non-payment of annual fee |