CN204652031U - A kind of bypass module redundant control device for Modular UPS - Google Patents
A kind of bypass module redundant control device for Modular UPS Download PDFInfo
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- CN204652031U CN204652031U CN201520319524.7U CN201520319524U CN204652031U CN 204652031 U CN204652031 U CN 204652031U CN 201520319524 U CN201520319524 U CN 201520319524U CN 204652031 U CN204652031 U CN 204652031U
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Abstract
The utility model relates to a kind of bypass module redundant control device for Modular UPS, comprising: main bypass control device, is connected with concentrated bypass module; Also comprise: auxiliary bypass control device, be connected with main bypass control device and concentrated bypass module respectively.Compared with prior art, the utility model concentrates bypass module to be furnished with major-minor two cover control device, main bypass control device and auxiliary bypass control device each other redundant fashion control concentrated bypass module, at main bypass control device abnormal state at present, auxiliary bypass control device is taken over main bypass control device and is continued to control concentrated bypass module, therefore solve concentrated bypass module very well and control Single Point of Faliure problem, Modular UPS reliability is greatly improved.
Description
Technical field
The utility model relates to a kind of bypass technology of Modular UPS, especially relates to a kind of bypass module redundant control device for Modular UPS.
Background technology
In Modular UPS, bypass is divided into concentrated bypass and dispersion bypass.Concentrated bypass mainly whole rack shares a bypass, none-disk terminal unit on power model.And disperse bypass to be that each power model all has a little by-pass unit.Under dispersion bypass mode, the shunt location of each module is generally match with the capacity of individual module.This causes the by-pass unit capacity in module general all smaller.Dispersion bypass, due in bypass mode, is (load current is in the mean allocation of modules bypass) that cannot be realized the current-sharing of each bypass by control mode.Can only carry out current-sharing by the impedance of self, so equal mobility can decline.Short slab phenomenon is easily there is if there is serious uneven flow phenomenon system.In order to prevent this situation, in bypass, extra series resistance (current sharing inductor) is generally wanted to improve equal mobility.But the current sharing inductor increased also causes the power supplying efficiency under bypass mode to reduce.Owing to disperseing the limitation of bypass self, mainstream market mainly adopts concentrated bypass mode.But concentrate bypass scheme, bypass does not have redundancy, causes the failure redundancy under bypass less.
Summary of the invention
The purpose of this utility model be exactly in order to overcome above-mentioned prior art exist defect and a kind of bypass module redundant control device for Modular UPS is provided.
The purpose of this utility model can be achieved through the following technical solutions:
For a bypass module redundant control device for Modular UPS, comprising:
Main bypass control device, is connected with concentrated bypass module, for controlling concentrated bypass module;
Also comprise:
Auxiliary bypass control device, is connected with main bypass control device and concentrated bypass module respectively, for receiving the state status of main bypass control device and the control of adapter to concentrated bypass module when main bypass control device abnormal state.
Described concentrated bypass module comprises interconnective rectifier and inverter, and described rectifier is electrically connected with city, and described inverter is connected with load, and described rectifier and inverter are connected with main bypass control device and auxiliary bypass control device respectively.
Described main bypass control device comprises interconnective first controller and a SCR driver, described auxiliary bypass control device comprises interconnective second controller and the 2nd SCR driver, and a described SCR driver is all connected with concentrated bypass module with the 2nd SCR driver.
Described first controller and second controller are single-chip microcomputer, and
Described second controller is connected with the first house dog in the first controller, receive the feeding-dog signal of the first house dog, judge the state status of the first controller according to the feeding-dog signal of the first house dog, and instruction the 2nd SCR driver sends SCR drive singal when the first controller state is abnormal.
Described 2nd SCR driver is connected with a SCR driver, receives the SCR drive singal of a SCR driver, and
Abnormal at the first controller state, and when the SCR drive singal of a SCR driver is conducting, interrupt concentrating bypass module to be the power supply of load.
Described redundant control device also comprises alarm module,
Described first controller is connected with the second house dog of second controller, receives the feeding-dog signal of the second house dog, judges the state status of second controller according to the feeding-dog signal of the second house dog,
Described alarm module is connected with the first controller and second controller respectively, and carries out alarm during at least one abnormal state in the first controller and second controller.
Described main bypass control device also comprises the first communication unit be connected with the first controller, and described auxiliary bypass control device also comprises the second communication unit be connected with second controller,
Described second communication unit monitors the receiving and transmitting signal of the first communication unit, and adapter first communication unit carries out signal transmitting and receiving when the first controller state is abnormal.
Compared with prior art, the utility model has the following advantages:
1) bypass module is concentrated to be furnished with major-minor two cover control device, main bypass control device and auxiliary bypass control device each other redundant fashion control concentrated bypass module, at main bypass control device abnormal state at present, auxiliary bypass control device is taken over main bypass control device and is continued to control concentrated bypass module, therefore solve concentrated bypass module very well and control Single Point of Faliure problem, Modular UPS reliability is greatly improved.
2) second controller is by the state status of feeding-dog signal identification first controller of the first controller, and then realize identifying the state status of main bypass control device, and indicate the 2nd SCR driver to send SCR drive singal when main bypass control device abnormal state, because the state recognition of feeding-dog signal is simply efficient, improve efficiency and the accuracy rate of identification.
3) the 2nd SCR driver receives the SCR drive singal of a SCR driver, and it is abnormal at the first controller state, and the SCR drive singal of a SCR driver is when being conducting, interrupt concentrating bypass module to be the power supply of load, the output abnormality of concentrated bypass module when thus can effectively avoid the SCR drive singal of a SCR driver not cancel.
4) alarm module can carry out alarm when any one breaks down in main bypass control device and auxiliary bypass control device, and then notifies that staff carries out overhauling and fixing a breakdown.
5) the second communication unit monitors the receiving and transmitting signal of the first communication unit at ordinary times, when main bypass control device fault, take over main bypass control device due to auxiliary bypass control device to continue to control concentrated bypass module, thus the second communication unit adapter first communication unit carries out signal transmitting and receiving, can realize the accurate of the communication information.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is that principle of the present utility model realizes schematic diagram;
Wherein: 1, main bypass control device, 2, auxiliary bypass control device, 3, concentrate bypass module, 4, load, 5, alarm module, the 11, first controller, the 12, the one SCR driver, the 13, first communication unit, 21, second controller, the 22, the 2nd SCR driver, the 23, second communication unit.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.The present embodiment is implemented premised on technical solutions of the utility model, give detailed execution mode and concrete operating process, but protection range of the present utility model is not limited to following embodiment.
For a bypass module redundant control device for Modular UPS, as depicted in figs. 1 and 2, comprising:
Main bypass control device 1, is connected with concentrated bypass module 3, for controlling concentrated bypass module 3;
Also comprise:
Auxiliary bypass control device 2, is connected with main bypass control device 1 and concentrated bypass module 3 respectively, for receiving the state status of main bypass control device 1 and the control of adapter to concentrated bypass module 3 when main bypass control device 1 abnormal state.
Concentrate bypass module 3 to comprise interconnective rectifier and inverter, rectifier is electrically connected with city, and inverter is connected with load 4, and rectifier and inverter are connected with main bypass control device 1 and auxiliary bypass control device 2 respectively.
Main bypass control device 1 comprises interconnective first controller 11 and a SCR driver 12, auxiliary bypass control device 2 comprises interconnective second controller 21 and the 2nd SCR driver the 22, one SCR driver 12 is all connected with concentrated bypass module 3 with the 2nd SCR driver 22.
First controller 11 and second controller 21 are single-chip microcomputer, and second controller 21 is connected with the first house dog in the first controller 11, receive the feeding-dog signal of the first house dog, judge the state status of the first controller 11 according to the feeding-dog signal of the first house dog, and indicate when the first controller 11 abnormal state the 2nd SCR driver 22 to send SCR drive singal.When main bypass control device 1 state is normal, the SCR drive singal of the 2nd SCR driver 22 is that logic needs to send out, only just send out when detecting that main bypass control device 1 is also sent out, under main bypass control device 1 abnormal state, back-up system sends SCR drive singal according to inherent logic.
2nd SCR driver 22 is connected with a SCR driver 12, receive the SCR drive singal of a SCR driver 12, and at the first controller 11 abnormal state, and when the SCR drive singal of a SCR driver 12 is conducting, interrupt the power supply that concentrated bypass module 3 is load 4.
Redundant control device also comprises alarm module 5,
First controller 11 is connected with the second house dog of second controller 21, receives the feeding-dog signal of the second house dog, judges the state status of second controller 21 according to the feeding-dog signal of the second house dog,
Alarm module 5 is connected with the first controller 11 and second controller 21 respectively, and carries out alarm during at least one abnormal state in the first controller 11 and second controller 21.
Main bypass control device 1 also comprises the first communication unit 13 be connected with the first controller 11, auxiliary bypass control device 2 also comprises the second communication unit 23 be connected with second controller 21, second communication unit 23 monitors the receiving and transmitting signal of the first communication unit 13, and adapter first communication unit 13 carries out signal transmitting and receiving when the first controller 11 abnormal state, if detect, main bypass control device 1 replying state is normal, and normal then the second communication unit 23 stop signal transmitting-receiving of signal returns back to listening state.
Concrete, in the present embodiment, main bypass control device 1 and auxiliary bypass control device 2 include one piece of keyset AS400, and the AS_REMOTE_SHUT_DOWN_AH signal of keyset AS400 signal judges it self is that the keyset of main bypass control device 1 or the keyset of auxiliary bypass control device 2 are (main: this signal pull-up.Auxiliary: this signal is drop-down.)
These two signals of AS_UPS_ON_AH and the AS_UPS_FAIL_AH of keyset AS400 signal do self output of control device middle controller feeding-dog signal and the input of the other side's feeding-dog signal.This signal is the square-wave signal of cycle 10mS, identifies the other side's power supply or program fleet by this signal.
These two signals of AS_ON_BYPASS_AH and the AS_UTILITY_FAIL_AH of keyset AS400 signal do self bypass SCR State-output and the other side SCR state inputs.
Claims (7)
1., for a bypass module redundant control device for Modular UPS, comprising:
Main bypass control device, is connected with concentrated bypass module;
It is characterized in that, also comprise:
Auxiliary bypass control device, is connected with main bypass control device and concentrated bypass module respectively.
2. a kind of bypass module redundant control device for Modular UPS according to claim 1, it is characterized in that, described concentrated bypass module comprises interconnective rectifier and inverter, described rectifier is electrically connected with city, described inverter is connected with load, and described rectifier and inverter are connected with main bypass control device and auxiliary bypass control device respectively.
3. a kind of bypass module redundant control device for Modular UPS according to claim 1, it is characterized in that, described main bypass control device comprises interconnective first controller and a SCR driver, described auxiliary bypass control device comprises interconnective second controller and the 2nd SCR driver, and a described SCR driver is all connected with concentrated bypass module with the 2nd SCR driver.
4. a kind of bypass module redundant control device for Modular UPS according to claim 3, it is characterized in that, described first controller and second controller are single-chip microcomputer, and described second controller is connected with the first house dog in the first controller.
5. a kind of bypass module redundant control device for Modular UPS according to claim 4, is characterized in that, described 2nd SCR driver is connected with a SCR driver.
6. a kind of bypass module redundant control device for Modular UPS according to claim 4, it is characterized in that, described redundant control device also comprises alarm module, described first controller is connected with the second house dog of second controller, and described alarm module is connected with the first controller and second controller respectively.
7. a kind of bypass module redundant control device for Modular UPS according to claim 6, it is characterized in that, described main bypass control device also comprises the first communication unit be connected with the first controller, and described auxiliary bypass control device also comprises the second communication unit be connected with second controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520319524.7U CN204652031U (en) | 2015-05-18 | 2015-05-18 | A kind of bypass module redundant control device for Modular UPS |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520319524.7U CN204652031U (en) | 2015-05-18 | 2015-05-18 | A kind of bypass module redundant control device for Modular UPS |
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| CN204652031U true CN204652031U (en) | 2015-09-16 |
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| CN201520319524.7U Expired - Fee Related CN204652031U (en) | 2015-05-18 | 2015-05-18 | A kind of bypass module redundant control device for Modular UPS |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020024507A1 (en) * | 2018-08-01 | 2020-02-06 | 珠海格力电器股份有限公司 | Photovoltaic control system, and control method and apparatus for photovoltaic control system |
-
2015
- 2015-05-18 CN CN201520319524.7U patent/CN204652031U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020024507A1 (en) * | 2018-08-01 | 2020-02-06 | 珠海格力电器股份有限公司 | Photovoltaic control system, and control method and apparatus for photovoltaic control system |
| US11837993B2 (en) | 2018-08-01 | 2023-12-05 | Gree Electric Appliances, Inc. Of Zhuhai | System for controlling a photovoltaic system, method and device for controlling the photovoltaic system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200082 No. 76, Qigihar Road, Shanghai, Yangpu District Patentee after: Shanghai Aerospace Intelligent Equipment Co.,Ltd. Address before: 200082 No. 76, Qigihar Road, Shanghai, Yangpu District Patentee before: SHANGHAI AEROSPACE COMMUNICATION ELECTRIC Co. |
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| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 |
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| CF01 | Termination of patent right due to non-payment of annual fee |