CN201839007U - Remote control automatic phase selecting switch - Google Patents
Remote control automatic phase selecting switch Download PDFInfo
- Publication number
- CN201839007U CN201839007U CN2010202443073U CN201020244307U CN201839007U CN 201839007 U CN201839007 U CN 201839007U CN 2010202443073 U CN2010202443073 U CN 2010202443073U CN 201020244307 U CN201020244307 U CN 201020244307U CN 201839007 U CN201839007 U CN 201839007U
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- Prior art keywords
- phase
- switch
- electronic module
- remote control
- load
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- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Abstract
The utility model relates to a remote control automatic phase selecting switch belonging to the field of electric transformation and distribution equipment. In the utility model, the selecting switch is internally provided with three single-phase switches that are independent from each other and provided with an interlocking device mutually; power input ends of the single-phase switches are correspondingly connected with three phase lines of a three-phase circuit, and output ends of the single-phase switches are connected in parallel; a current transformer is arranged at the lower end where the output ends of the single-phase switches are connected in parallel; an electronic module is arranged on the selecting switch; the output end of the load current transformer is connected with a monitoring signal input end of the electronic module; a control signal output end of the electronic module is correspondingly connected with control ends of separating/closing control circuits or modules of the three single-phase switches in sequence; and a monitoring signal output end and a control signal input end of the electronic module are connected with a centralized control center by a wireless network or a carrier line. Besides the functions of leakage protection and current protection, the remote control automatic phase selecting switch can also remotely switch the phase sequence of a certain single-phase load line among the three-phase power supply of the power supply line, thus being beneficial to realization of balanced matching of interphase load.
Description
Technical field
The utility model belongs to the distribution equipment field, relates in particular to a kind of device that is used for making the alternate sharing of load equilibrium of three-phase power line.
Background technology
Make as a whole electric power system, in its three-phase power line, sharing of load equilibrium between each phase line is very to be necessary, the phase line current balance problem that this not only relates to three-phase power line also relates to the problem of all many-sides such as the economical operation that reduces line loss, electrical network and safety.
Because the imbalance of electric power system three-phase load, a certain phase load is bigger than normal, and line loss is increased.Simultaneously, this phase circuit is worked under big load, both can influence the security of operation of transformer, has reduced the power supply capacity of transformer again.
So the equilibrium of phase specific electric load distributes in the three-phase power line, to economy, the safe operation of whole power distribution network, and the reliability that guarantees controller switching equipment, all be very crucial.
The electrician of power department needed to on-the-spot circuit switched when adjusting the load of each phase supply line in the past, and doing like this wastes time and energy, so the adjustment of line load often can not in time be adjusted with the variation of line load; Even adjusted, line load changes again often, so, always load adjustment can not in time be caught up with.So just cause line loss to increase, the economical operation of whole electric power system is relatively poor.
The day for announcing is on August 9th, 1989, notification number is to disclose a kind of " automatic electric limiting switching device " in the Chinese utility model patent of CN 2042640U, form by current limitation loop, program timer, delayer three parts, it is by power load that limits the user and the current supply circuit that excises super power load user automatically, reach the purpose of brownout load, but deficiencies such as initiatively regulating load is controlled afterwards, is not had in its existence.
Open day is on December 23rd, 2009, publication number is to disclose a kind of " three-phase load transfer device " in the Chinese invention patent application of CN 101609991A, it comprises: input module, the input of three-phase alternating current is provided, and the input phase sequence of this three-phase alternating current is ABC; The input measurement module judges by electric current and the voltage swing of measuring the three-phase alternating current of importing in the described input module whether three-phase load exists imbalance; The phase sequence adjusting module, for the three-phase current that described input phase sequence is ABC, adopt three independently contactor so that three kinds of output of ABC, BCA, CAB phase sequence to be provided, when described input measurement module measures three-phase load when uneven, export phase sequence and switch, otherwise by former input phase sequence output; The phase sequence display module provides three indicator lights, and a kind of in each indicator light corresponding described ABC, BCA and three kinds of output of the CAB phase sequence is in order to show current output phase sequence; And output module, will export to load through the three-phase alternating current after described phase sequence adjusting module is adjusted phase sequence.It is integrally-regulated that but it exists whole device only to be suitable for three-phase power line, and whole apparatus structure is too loaded down with trivial details, the more high deficiency of deployment cost.
The utility model content
Technical problem to be solved in the utility model provides a kind of remote control phase place automatic transfer switch; except having earth leakage protective and excess current protective function; it can be between the three-phase line of supply line; the phase sequence at a certain single-phase load circuit place is switched in remote control; whole switching device shifter is simple for structure; reliable in action, economical and practical, help realizing that the equilibrium of each alternate load distributes.
The technical solution of the utility model is:
A kind of remote control phase place automatic transfer switch is provided, comprises the diverter switch housing that has main power source input and main power source output, it is characterized in that:
In the housing of diverter switch, be provided with three separate and have a single-phase switch of interlock; The power input of three single-phase switchs respectively with the corresponding connection of three phase lines of three phase mains; The output parallel connection of three single-phase switchs, corresponding connection with the load side power input line; The lower end is provided with a current transformer that is used to monitor load current;
In the diverter switch housing or on the diverter switch housing, the electronic module that comprises electromagnetic switch " closure/connection " operational order generation functional circuit and wireless network or carrier signal teletransmission/receiving module circuit is set;
The output of load current instrument transformer is connected with the monitor signal input of electronic module;
The corresponding successively connection of control end of the control signal output ends of electronic module and three single-phase switch branch/contacting controling circuits or module;
The monitor signal output and the signal input end of electronic module through wireless network or carrier line, are connected with centralized-control center.
Described single-phase switch is the electromagnetic type single-phase switch, and described three single-phase switchs are arranged side by side in the housing of diverter switch.
Described interlock is mechanical interlocked mechanism or interlock function circuit.
Described mechanical interlocked mechanism or interlock function circuit are guaranteed when a certain road single-phase switch need carry out " closure/connection " operation, at first all the other two-way single-phase switchs are carried out " opening/disconnect " operation, at any one time, have only one the tunnel to be in " closure/connection " state in described three single-phase switchs.
Described electronic module comprises single-chip microcomputer or industrial computer modular circuit.
Described electronic module also comprises overcurrent protection function circuit and/or creepage protection function circuit.
Described centralized-control center comprises computer and monitoring/Control Software thereof.
Compared with the prior art, the utility model has the advantages that:
1. when having overcurrent protection and creepage protection function, can be according to the variation of line load electric current, binding data teletransmission and telecontrol engineering again, the closure of one of them single-phase switch of remote control, load is switched on other phase lines, solved the automation issues that line load is adjusted, and made the adjustment of line load realize instantaneity;
2. whole switching device shifter is simple for structure, and reliable in action is economical and practical;
3. can realize the switching of a certain single-phase load between each phase line of three-phase power line smoothly, be convenient to remote operation, the equilibrium that helps to realize each alternate load automatically distributes.
Description of drawings
Fig. 1 is an electrical block diagram of the present utility model
Fig. 2 is the mechanical structure schematic diagram of this device.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
Among Fig. 1, single-phase switch 2 is the electromagnetic type single-phase switch, and three single-phase switchs are arranged side by side in the housing 1 of diverter switch.
The power input of its three single-phase switchs respectively with the corresponding connection of three phase lines of three phase mains, constitute the three-phase power input end 3 of diverter switch.
The power output end parallel connection of three single-phase switchs, the power output end 4 of formation diverter switch.
At the phase line output terminal current transformer L who is used to monitor load current is set.
In the diverter switch housing or on the diverter switch housing, electronic module is set.
Electronic module comprises electromagnetic switch " closure/connection " operation control command generation functional circuit and wireless network or carrier signal teletransmission/receiving module circuit at least.
Described electronic module also comprises overcurrent protection function circuit and/or creepage protection function circuit.
The output of load current instrument transformer is connected with the monitor signal input of electronic module.
The corresponding successively connection of control end of the control signal output ends of electronic module and three single-phase switch branch/contacting controling circuits or module.
The monitor signal output and the signal input end of electronic module through wireless network or carrier line, are connected with centralized-control center.
Three single-phase switchs under the interlocking effect of mutual interlocking gear or interlock function circuit, at any one time, all have only the single-phase switch can closure/connection, and all the other two single-phase switchs all are in to be opened/off-state.
Above-mentioned mechanical interlocked mechanism or interlock function circuit are guaranteed when a certain road single-phase switch need carry out " closure/connection " operation, at first all the other two-way single-phase switchs are carried out " opening/disconnect " operation, make at any one time, have only one the tunnel to be in " closure/connection " state in described three single-phase switchs.
The single-phase load (not shown) is connected with the power output end of diverter switch, through and only be connected with a certain phase line in the three phase mains through any one single-phase switch, from described three phase mains, obtain single phase poaer supply.
Electronic module comprises single-chip microcomputer or industrial computer modular circuit.
Centralized-control center comprises computer and monitoring/Control Software thereof.
Electronic module partly adopts prior art to get final product, and no specific (special) requirements is so its concrete circuit is no longer narrated at this.
Among Fig. 2, three single-phase switchs 2 are arranged side by side in the housing 1 of diverter switch.
The power input of its three single-phase switchs respectively with the corresponding connection of three phase lines of three phase mains, constitute the three-phase power input end 3 of diverter switch.
The power output end parallel connection of three single-phase switchs, the power output end 4 of formation diverter switch.
The summary of the utility model course of work:
The load current size of current transformer monitoring, by the wireless network in the electronic module or carrier line with the teletransmission of load current value to centralized-control center, by computer/industrial computer and monitoring/Control Software thereof, send the adjusting/equilibrium instruction of loading between the three-phase power line by centralized-control center, output needle is to " closure/connection " operating control signal of a certain single-phase switch.
" closure/connection " operating control signal of its described a certain single-phase switch transfers to electronic module via wireless network or carrier line.
After wireless network or carrier signal teletransmission/receiving module circuit receive load phase place adjustment instruction by computer platform, export corresponding single-way switch " closure/connection " operating control signal, make corresponding adjustment.
Concrete mechanical structure about the electromagnetic type single-phase switch; but REFERENCE TO RELATED people applies for before this; the day for announcing is on February 17th, 2010, and notification number is the related content in the Chinese utility model patent " snap close type electromagnetic leakage comprehensive protection device " of CN201408716Y.
Because the utility model is when having overcurrent protection and creepage protection function, adopted variation according to the line load electric current, control the closure of one of them single-phase switch, in time/automatically load is switched on other phase lines, solved the automation issues that line load is adjusted; Whole switching device shifter is simple for structure, and reliable in action is economical and practical, can realize the switching of a certain single-phase load between each phase line of three-phase power line smoothly, realizes that automatically the equilibrium of each alternate load distributes.
The utility model can be widely used in low-voltage power supply and power network operation field.
Claims (6)
1. a remote control phase place automatic transfer switch comprises the diverter switch housing that has main power source input and main power source output, it is characterized in that:
In the housing of diverter switch, be provided with three separate and have a single-phase switch of interlock;
The power input of three single-phase switchs respectively with the corresponding connection of three phase lines of three phase mains; The output parallel connection of three single-phase switchs, corresponding connection with the load side power input line;
Lower end after the output parallel connection of three single-phase switchs is provided with a current transformer that is used to monitor load;
In the diverter switch housing or on the diverter switch housing, the electronic module that comprises electromagnetic switch " closure/connection " operational order generation functional circuit and wireless network or carrier signal teletransmission/receiving module circuit is set;
The corresponding successively connection of control end of the control signal output ends of electronic module and three single-phase switch branch/contacting controling circuits or module;
The monitor signal output and the signal input end of electronic module are connected with centralized-control center through wireless network or carrier line.
2. according to the described remote control phase place of claim 1 automatic transfer switch, it is characterized in that described single-phase switch is the electromagnetic type single-phase switch, described three single-phase switchs are arranged side by side in the housing of diverter switch.
3. according to the described remote control phase place of claim 1 automatic transfer switch, it is characterized in that described interlock is mechanical interlocked mechanism or interlock function circuit.
4. according to the described remote control phase place of claim 1 automatic transfer switch, it is characterized in that described electronic module comprises single-chip microcomputer or industrial computer modular circuit.
5. according to the described remote control phase place of claim 1 automatic transfer switch, it is characterized in that described electronic module also comprises overcurrent protection function circuit and/or creepage protection function circuit.
6. according to the described remote control phase place of claim 1 automatic transfer switch, it is characterized in that described centralized-control center comprises computer and monitoring/Control Software thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202443073U CN201839007U (en) | 2010-07-01 | 2010-07-01 | Remote control automatic phase selecting switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202443073U CN201839007U (en) | 2010-07-01 | 2010-07-01 | Remote control automatic phase selecting switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201839007U true CN201839007U (en) | 2011-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202443073U Expired - Fee Related CN201839007U (en) | 2010-07-01 | 2010-07-01 | Remote control automatic phase selecting switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201839007U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102496492A (en) * | 2011-12-03 | 2012-06-13 | 山东卓尔电气有限公司 | Remote control phase-change switch |
| CN102522760A (en) * | 2011-12-03 | 2012-06-27 | 山东卓尔电气有限公司 | Method for switching phase lines of three-phase circuit and capable of preventing inter-phase short-circuit and phase change switch device |
| CN102738898A (en) * | 2012-06-14 | 2012-10-17 | 浙江新跃电气有限公司 | Low voltage dividing and conquering method for orderly power utilization and low voltage dividing and conquering device |
| CN104578117A (en) * | 2014-12-31 | 2015-04-29 | 北京中电博达科技有限公司 | Intelligent phase choosing switch based on power line carrier communication and control circuit thereof |
| CN104934994A (en) * | 2015-07-01 | 2015-09-23 | 国家电网公司 | Low-voltage phase-change switch |
-
2010
- 2010-07-01 CN CN2010202443073U patent/CN201839007U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102496492A (en) * | 2011-12-03 | 2012-06-13 | 山东卓尔电气有限公司 | Remote control phase-change switch |
| CN102522760A (en) * | 2011-12-03 | 2012-06-27 | 山东卓尔电气有限公司 | Method for switching phase lines of three-phase circuit and capable of preventing inter-phase short-circuit and phase change switch device |
| CN102496492B (en) * | 2011-12-03 | 2014-02-12 | 山东卓尔电气有限公司 | Remote control phase-change switch |
| CN102738898A (en) * | 2012-06-14 | 2012-10-17 | 浙江新跃电气有限公司 | Low voltage dividing and conquering method for orderly power utilization and low voltage dividing and conquering device |
| CN104578117A (en) * | 2014-12-31 | 2015-04-29 | 北京中电博达科技有限公司 | Intelligent phase choosing switch based on power line carrier communication and control circuit thereof |
| CN104578117B (en) * | 2014-12-31 | 2018-02-13 | 北京中电博达科技有限公司 | A kind of intelligent phase-selection switch and its control circuit based on power line carrier, PLC |
| CN104934994A (en) * | 2015-07-01 | 2015-09-23 | 国家电网公司 | Low-voltage phase-change switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HUADA WUHAN ELECTRIC EQUIPMENT CO., LTD. Effective date: 20140528 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140528 Address after: 255086 A hi tech Pioneer Park, 135 hi tech Development Zone, Shandong, Zibo Province, 522 Patentee after: Shandong Zhuo'er Electric Co., Ltd. Patentee after: HUADA HUBEI ELECTRIC EQUIPMENT CO., LTD. Address before: 255086 A hi tech Pioneer Park, 135 hi tech Development Zone, Shandong, Zibo Province, 522 Patentee before: Shandong Zhuo'er Electric Co., Ltd. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151125 Address after: 255086 A hi tech Pioneer Park, 135 hi tech Development Zone, Shandong, Zibo Province, 522 Patentee after: Shandong Zhuo'er Electric Co., Ltd. Address before: 255086 A hi tech Pioneer Park, 135 hi tech Development Zone, Shandong, Zibo Province, 522 Patentee before: Shandong Zhuo'er Electric Co., Ltd. Patentee before: HUADA HUBEI ELECTRIC EQUIPMENT CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110518 Termination date: 20160701 |