CN206790112U - A kind of air switch for possessing alternate load forwarding function - Google Patents
A kind of air switch for possessing alternate load forwarding function Download PDFInfo
- Publication number
- CN206790112U CN206790112U CN201720644048.5U CN201720644048U CN206790112U CN 206790112 U CN206790112 U CN 206790112U CN 201720644048 U CN201720644048 U CN 201720644048U CN 206790112 U CN206790112 U CN 206790112U
- Authority
- CN
- China
- Prior art keywords
- air switch
- phase
- module
- commutation
- load
- 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
Links
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
Abstract
The application is related to a kind of air switch for possessing alternate load forwarding function, and the air switch includes：Alternating current inlet wire terminal, for power line to be accessed into the air switch；Command operating module, include the magnetic latching relay of predetermined number, the magnetic latching relay is controlled by main control module, to realize the switching of output phase；Main control module, the control command message sent for parsing main website, and the control signal corresponding with the control command message is sent by the command operating module；Air switch unit, including three-phase air switch and remote control divide-shut brake module；Outlet terminal is exchanged, for providing AC power to be not involved in the load of the load of commutation regulation and progress commutation operation.The technical scheme that the application provides, disclosure satisfy that the needs of protection circuit and possesses the defencive functions such as excessively stream, overvoltage.
Description
Technical field
The application is related to technical field of electricity, more particularly to a kind of air switch for possessing alternate load forwarding function.
Background technology
At present, thus three-phase load unbalance problem can cause distribution line and distribution transforming than more prominent in distribution network
Loss increase, contribute and reduce, or even influence the appearance that phenomenon is even burnt in security appliance operation.Power supply department is using following several
Approach solves this problem：Using alternate flying capcitor method, dynamic reactive compensating method, load-side load transfer method etc..It is comprehensive
Close and consider that product cost and effect, the application of load-side load transfer method constantly expand.But also there is it not in this method
Foot：To make three-phase four-wire system plant-grid connection load transfer device, need other mating switch equipment, at the same for meet protection circuit and
The needs of load transfer device body, the defencive functions such as excessively stream, overvoltage must be possessed by switching itself, but on current market also not
Possesses such switch.
Utility model content
The purpose of the application is to provide a kind of air switch for possessing alternate load forwarding function, disclosure satisfy that protective wire
The needs on road simultaneously possess the defencive functions such as excessively stream, overvoltage.
To achieve the above object, this application provides a kind of air switch for possessing alternate load forwarding function, the sky
Air cock includes alternating current inlet wire terminal, main control module, air switch unit, exchange outlet terminal and command operating module, its
In：
The alternating current inlet wire terminal is used to power line accessing the air switch；
The command operating module includes the magnetic latching relay of predetermined number, and the magnetic latching relay is controlled by described
Main control module, to realize the switching of output phase；
The main control module, for the control command message sent according to default stipulations parsing main website, and pass through the finger
Operation module is made to send the control signal corresponding with the control command message, to control the magnetic latching relay of original phase
Disconnect and control targe phase magnetic latching relay closure；
The air switch unit includes three-phase air switch and remote control divide-shut brake module, wherein, the remote control division
Lock module is used for the control signal in response to the main control module, controls disconnection and the closure of air switch；When event occurs for circuit
During barrier, the three-phase air switch disconnects automatically；
The exchange outlet terminal is used for be not involved in the load of commutation regulation and carrying out the load of commutation operation to provide
AC power.
Further, the power line is three-phase four-wire system power line, wherein, the quantity of the alternating current inlet wire terminal is four
It is individual, it is connected respectively with A phase lines, B phase lines, C phase lines and N lines, the C phase lines and N lines provide work electricity for the air switch
Source.
Further, the air switch also includes AC sampling module, and the AC sampling module is used for mutual to voltage
The data of sensor summation current transformer are sampled, and to gather three-phase primary voltage, line voltage and go out line current, and will be adopted
The parameter of collection is sent to the main control module, and feeds back to the main website by the main control module.
Further, the main control module is additionally operable to the parameter that basis receives, when divide-shut brake is determined in commutation process
Carve；The main website is additionally operable to determine commutation strategy according to the parameter received and determine all kinds of electric energy statistics.
Further, the main control module is additionally operable to after commutation action is completed, by commutation result according to described default
Stipulations write result message information, and the result message information is fed back into the main website.
Further, the quantity of the magnetic latching relay is three, the inputs of three magnetic latching relays respectively with A
Phase line, B phase lines and C phase lines are connected, and exchange outlet terminal is connected to after output end parallel connection.
Further, it is described exchange outlet terminal quantity be four, wherein, three exchange outlet terminals respectively with A phases
Line, B phase lines and C phase lines are connected, for providing AC power to be not involved in the load of commutation regulation；Another exchange outlet
Terminal is connected with the output end of the command operating module, for providing AC power to carry out the load of commutation operation.
Therefore in the application embodiment, control command that main control module is sent according to backstage main website, control is corresponding
The magnetic latching relay of phase completes the alternate transfer action of load.In addition, when over current fault occurs in commutation action process, it is empty
Air cock unit starting overcurrent protection, automatic to disconnect, protection device body and distribution line will not be made by due to phase fault
Forming apparatus or circuit damage.
Brief description of the drawings
Fig. 1 is the positive structure schematic of air switch in the application；
Fig. 2 is the internal structure schematic diagram of air switch in the application.
Embodiment
In order that those skilled in the art more fully understand the technical scheme in the application, it is real below in conjunction with the application
The accompanying drawing in mode is applied, the technical scheme in the application embodiment is clearly and completely described, it is clear that described
Embodiment is only a part of embodiment of the application, rather than whole embodiments.Based on the embodiment party in the application
Formula, all other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all should
When the scope for belonging to the application protection.
Fig. 1 and Fig. 2 are referred to, the application provides a kind of air switch for possessing alternate load forwarding function, the air
Switch includes alternating current inlet wire terminal, main control module, air switch unit, exchange outlet terminal and command operating module, wherein：
The alternating current inlet wire terminal is used to power line accessing the air switch；
The command operating module includes the magnetic latching relay of predetermined number, and the magnetic latching relay is controlled by described
Main control module, to realize the switching of output phase；
The main control module, for the control command message sent according to default stipulations parsing main website, and pass through the finger
Operation module is made to send the control signal corresponding with the control command message, to control the magnetic latching relay of original phase
Disconnect and control targe phase magnetic latching relay closure；
The air switch unit includes three-phase air switch and remote control divide-shut brake module, wherein, the remote control division
Lock module is used for the control signal in response to the main control module, controls disconnection and the closure of air switch；When event occurs for circuit
During barrier, the three-phase air switch disconnects automatically；
The exchange outlet terminal is used for be not involved in the load of commutation regulation and carrying out the load of commutation operation to provide
AC power.
In the present embodiment, the power line is three-phase four-wire system power line, wherein, the number of the alternating current inlet wire terminal
Measure as four, be connected respectively with A phase lines, B phase lines, C phase lines and N lines, the C phase lines and N lines provide for the air switch
Working power.
In the present embodiment, the air switch also includes AC sampling module, and the AC sampling module is used for pair
The data of voltage transformer summation current transformer are sampled, to gather three-phase primary voltage, line voltage and go out line current,
And send the parameter of collection to the main control module, and the main website is fed back to by the main control module.
In the present embodiment, the main control module is additionally operable to, according to the parameter received, determine to divide in commutation process
Closing moment；The main website is additionally operable to determine commutation strategy according to the parameter received and determine all kinds of electric energy statistics.
In the present embodiment, the main control module is additionally operable to after commutation action is completed, by commutation result according to institute
State default stipulations and write result message information, and the result message information is fed back into the main website.
In the present embodiment, the quantity of the magnetic latching relay is three, the input of three magnetic latching relays
It is connected respectively with A phase lines, B phase lines and C phase lines, exchange outlet terminal is connected to after output end parallel connection.
In the present embodiment, the quantity of the exchange outlet terminal is four, wherein, three exchange outlet terminal difference
It is connected with A phase lines, B phase lines and C phase lines, for providing AC power to be not involved in the load of commutation regulation；Another is handed over
Outflow line terminals are connected with the output end of the command operating module, for providing alternating current to carry out the load of commutation operation
Source.
In an application scenarios, the air switch unit realizes the function of universal air switch.The AC sampling
Module includes voltage transformer, the current transformer gathered for input voltage, output voltage, output current signal.The finger
Operation module is made including the magnetic latching relay for being used to control load to shift and its drive circuit and for detecting remote signalling state
Digital signal detection circuit.Radio communication function between air switch and backstage main website can be realized by communication module.Institute
State main control module be mainly used in realize communicated with control device, calculating simulation amount, issue control command, detect remote signalling Bitwise
Function.
Specifically, in the present embodiment, three-phase four-wire system power line, air switch is accessed by alternating current inlet wire terminal, its
Middle C phases and N lines provide working power for air switch.
In the present embodiment, the control command message that main control module is sent according to specific stipulations parsing main website, passes through
Corresponding control signal is sent to command operating module, realizes that original phase relay disconnects, and close target phase relay.
In whole commutation process, main control module by the voltage, the current information that are gathered to AC sampling module, realize to the commutation moment,
Commutation time, the accurate control of commutation failure.After the completion of commutation action, main control module can be by commutation result according to specific stipulations
Message information is write, is sent by communication module to main website.
In the present embodiment, AC sampling module sampled voltage transformer summation current transformer, to realize to enter three-phase
The collection of line voltage, line voltage, outlet current parameters.For main control module commutation process fall into a trap point counting closing moment and
Backstage main website calculates commutation strategy, calculates all kinds of electric energy statistics.
In the present embodiment, command operating module mainly includes three independent magnetic holding high-speed relays, for reality
Existing output phase is switched fast.The input of wherein three relays is respectively connected to A phase lines, B phase lines, C phase lines, and output end is in parallel
Output end and the phase line L accessed in transmission line of electricity are connected to afterwards together, for providing 220V power supplys for load.
In the present embodiment, air switch unit is made up of three-phase air switch and remote control divide-shut brake module, is being realized
On the basis of normal three-phase electricity on-off function, when the failures such as short-circuit, under-voltage, overheat occur for circuit, air switch disconnects automatically,
Play a part of protection circuit and equipment.
In the present embodiment, it is direct-connected with the A phase lines, B phase lines, C phase lines of alternating current inlet wire terminal respectively to exchange outlet terminal,
For providing 220v AC powers, a remaining terminal and command operating module repeat circuit to be not involved in the load of commutation regulation
Output end is connected, for providing 220v power supplys to carry out the load of commutation operation.
Therefore in the application embodiment, control command that main control module is sent according to backstage main website, control is corresponding
The magnetic latching relay of phase completes the alternate transfer action of load.In addition, when over current fault occurs in commutation action process, it is empty
Air cock unit starting overcurrent protection, automatic to disconnect, protection device body and distribution line will not be made by due to phase fault
Forming apparatus or circuit damage.
The description to the various embodiments of the application is supplied to those skilled in the art with the purpose described above.It is not
Be intended to exhaustion or it is not intended to the utility model is limited to single disclosed embodiment.As described above, the application
Various replacements and change will be apparent for above-mentioned technology one of ordinary skill in the art.Therefore, although having had
Body discusses some alternative embodiments, but other embodiment will be apparent, or those skilled in the art
Relatively easily draw.The application is intended to be included in this all replacements, modification and change of the present utility model for having discussed,
And fall the other embodiment in the spirit and scope of above-mentioned application.
Claims (7)
1. a kind of air switch for possessing alternate load forwarding function, it is characterised in that the air switch includes alternating current inlet wire
Terminal, main control module, air switch unit, exchange outlet terminal and command operating module, wherein：
The alternating current inlet wire terminal is used to power line accessing the air switch；
The command operating module includes the magnetic latching relay of predetermined number, and the magnetic latching relay is controlled by the master control
Module, to realize the switching of output phase；
The main control module, grasped for the control command message sent according to default stipulations parsing main website, and by the instruction
Make module and send the control signal corresponding with the control command message, to control the disconnected of the magnetic latching relay of original phase
Open the closure of the simultaneously magnetic latching relay of control targe phase；
The air switch unit includes three-phase air switch and remote control divide-shut brake module, wherein, the remote control divide-shut brake mould
Block is used for the control signal in response to the main control module, controls disconnection and the closure of air switch；When line failure,
The three-phase air switch disconnects automatically；
The exchange outlet terminal is used for be not involved in the load of commutation regulation and carrying out the load of commutation operation to provide exchange
Power supply.
2. air switch according to claim 1, it is characterised in that the power line is three-phase four-wire system power line, its
In, the quantity of the alternating current inlet wire terminal is four, is connected respectively with A phase lines, B phase lines, C phase lines and N lines, the C phase lines
With N lines working power is provided for the air switch.
3. air switch according to claim 1, it is characterised in that the air switch also includes AC sampling module,
The AC sampling module is used to sample the data of voltage transformer summation current transformer, to gather three-phase inlet wire electricity
Pressure, line voltage and go out line current, and the parameter of collection is sent to the main control module, and fed back by the main control module
To the main website.
4. air switch according to claim 3, it is characterised in that the main control module is additionally operable to according to the ginseng received
Number, the divide-shut brake moment is determined in commutation process；The main website is additionally operable to determine commutation strategy and true according to the parameter that receives
Fixed all kinds of electric energy statistics.
5. air switch according to claim 1, it is characterised in that the main control module is additionally operable to act in commutation and completed
Afterwards, commutation result is write into result message information according to the default stipulations, and the result message information is fed back into institute
State main website.
6. air switch according to claim 1, it is characterised in that the quantity of the magnetic latching relay be three, three
The input of individual magnetic latching relay is connected with A phase lines, B phase lines and C phase lines respectively, is connected to and exchanges out after output end parallel connection
Line terminals.
7. air switch according to claim 6, it is characterised in that the quantity of the exchange outlet terminal is four, its
In, three exchange outlet terminals be connected respectively with A phase lines, B phase lines and C phase lines, for for be not involved in commutation regulation load
AC power is provided；Another exchange outlet terminal is connected with the output end of the command operating module, for be changed
Mutually the load of operation provides AC power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720644048.5U CN206790112U (en) | 2017-06-05 | 2017-06-05 | A kind of air switch for possessing alternate load forwarding function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720644048.5U CN206790112U (en) | 2017-06-05 | 2017-06-05 | A kind of air switch for possessing alternate load forwarding function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206790112U true CN206790112U (en) | 2017-12-22 |
Family
ID=60716258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720644048.5U Expired - Fee Related CN206790112U (en) | 2017-06-05 | 2017-06-05 | A kind of air switch for possessing alternate load forwarding function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206790112U (en) |
-
2017
- 2017-06-05 CN CN201720644048.5U patent/CN206790112U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103545826B (en) | A kind of low voltage electric load intelligent dispensing system and distribution method | |
| CN207442454U (en) | Intelligent commutation device | |
| CN102904270A (en) | Three-phase current unbalance adjusting system for power distribution network | |
| CN203981776U (en) | The intelligent electric meter of energy self-poise three-phase load | |
| CN202957611U (en) | Three-phase current unbalance adjusting system of power distribution network | |
| CN104734352A (en) | Loop closing operation control method for power distribution line | |
| CN106300398A (en) | A kind of alternate load based on stable state waveform fitting transfer termination | |
| CN110190585B (en) | B-type residual current monitoring and action circuit breaker with wireless transmission function | |
| CN110357108A (en) | A kind of 72 pairs of stick polycrystalline silicon reducing furnace AC power supply systems | |
| CN204361791U (en) | A kind of circuit structure of intelligent low-pressure distribution terminal | |
| CN103066575A (en) | Control method of rapidly finding fault | |
| CN206790112U (en) | A kind of air switch for possessing alternate load forwarding function | |
| CN204481571U (en) | A kind of Loop Closing Operation in Distribution Network control system based on terminal peer-to-peer communications | |
| CN208690936U (en) | A kind of seamless switching type phase-change switch | |
| CN207320842U (en) | A kind of breaker for possessing alternate load forwarding function | |
| CN208623392U (en) | A kind of complex electric energy comprehensive quality control device | |
| CN106451500A (en) | Inter-phase load transfer terminal device based on transient waveform fitting | |
| CN206135426U (en) | Alternate load transfer terminating set based on match of stable state wave form | |
| CN103389421A (en) | Island detection method and device based on GOOSE communication | |
| CN206135427U (en) | Alternate load transfer terminating set based on match of transient state wave form | |
| CN207098628U (en) | A kind of low pressure administers automatic control switch | |
| CN107069781A (en) | A kind of air switch for possessing alternate load forwarding function | |
| CN113054658B (en) | Multi-port low-voltage power distribution network seamless loop closing transfer device and method thereof | |
| CN113098063B (en) | New energy island sending alternating current fault ride-through control method and device | |
| CN107086593A (en) | A kind of breaker for possessing alternate load forwarding function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20171222 Termination date: 20190605 |