CN214337573U - Phase-change switch structure - Google Patents
Phase-change switch structure Download PDFInfo
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- CN214337573U CN214337573U CN202022891119.6U CN202022891119U CN214337573U CN 214337573 U CN214337573 U CN 214337573U CN 202022891119 U CN202022891119 U CN 202022891119U CN 214337573 U CN214337573 U CN 214337573U
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- 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 provides a commutation switch structure relates to the electric technical field of low pressure, has alleviated commutation switch and has probably appeared the short circuit risk and adjust the technical problem that load efficiency is low. The utility model discloses a include: the static end of the first phase change switch is respectively connected with a phase A of a line inlet end and a phase B of a line inlet end, and the dynamic end is connected with a first load live wire; the static end of the second phase change switch is respectively connected with a phase B of a line inlet end and a phase C of a line inlet end, and the dynamic end is connected with a second load live wire; the static end of the third phase change switch is respectively connected with a phase C of a line inlet end and a phase A of a line inlet end, and the dynamic end is connected with a third load live wire; the commutation switch controller is used for detecting the load current of the load live wire passing through the commutation switch to obtain the information of the load current; the main controller is used for receiving the information of the load current sent by the commutation switch controller and determining whether to carry out multiphase unbalance adjustment on the commutation switch according to the information of the load current.
Description
Technical Field
The application relates to the technical field of low-voltage electricity, in particular to a phase change switch structure.
Background
At present, distribution transformer mostly is three-phase transformer, has the commutation switch among the three-phase transformer, can adjust the unbalanced three-phase through adjusting the commutation switch, and in prior art, the commutation switch realizes the nature commutation including cooperation such as adopting thyristor and contactor relay, perhaps adopts mechanical switch commutation.
The existing commutation switch adopts the cooperation of a thyristor, a contactor, a relay and the like to realize natural commutation, needs proper conduction angle control, calculates the conduction angle according to the load condition, but the load changes at any time, when the load changes suddenly according to the calculated conduction angle, the natural commutation failure can be caused, even a short circuit is caused, the relay, the contactor and the like do not have mechanical interlocking, once a malfunction occurs due to equipment damage or electromagnetic interference, the short circuit can be caused, and the reliability is not high although the circuit is continuous.
When the phase of the mechanical switch is changed, the single-phase load is mainly selected from a three-phase access terminal, namely A, B, C can be selected from the single-phase load, and when the load required for changing the phase is more, the load capacity of the switch is increased. And secondly, the number of phase change switches is increased. Three groups of phase-changing switches are realized on one switch, and the three groups of switches are linked and only can realize fixed phase-changing sequence.
And most of the phase change switches collect the load condition near the phase change load to judge the phase change logic. Therefore, the balance of the whole power distribution area is required to be realized everywhere, the three phases of the whole power distribution area can be balanced, and the cost is high.
SUMMERY OF THE UTILITY MODEL
The application aims to provide a commutation switch structure to relieve the technical problems that a commutation switch is likely to have short-circuit risks and the load regulation efficiency is low.
In a first aspect, an embodiment of the present application provides a phase change switch structure, including: the phase change switch comprises a phase change switch controller, a main controller and a plurality of phase change switches, wherein each phase change switch comprises a static end and a dynamic end;
the static end of the first phase change switch is respectively connected with a phase A of a line inlet end and a phase B of a line inlet end, and the dynamic end is connected with a first load live wire; the static end of the second phase change switch is respectively connected with a phase B of a line inlet end and a phase C of a line inlet end, and the dynamic end is connected with a second load live wire; the static end of the third phase change switch is respectively connected with a phase C of a line inlet end and a phase A of a line inlet end, and the dynamic end is connected with a third load live wire;
the commutation switch controller is used for detecting the load current of the load live wire passing through the commutation switch to obtain the information of the load current;
the main controller is used for receiving the information of the load current sent by the commutation switch controller and determining whether to carry out multiphase unbalance adjustment on the commutation switch according to the information of the load current.
In one possible implementation, each of the phase change switches includes two static terminals and two dynamic terminals connected together.
In one possible implementation, the live load line is an outlet of the phase change switches, and a current transformer is installed at each outlet of each phase change switch.
In one possible implementation, three of the commutation switches are not linked.
In one possible implementation, the three phase change switches are respectively composed of two vacuum tubes, and the two vacuum tubes are linked.
In one possible implementation, the device further comprises a permanent magnet mechanism electromagnet, a transmission rod, a switch moving end insulator and an upper contact, wherein the permanent magnet mechanism electromagnet is connected with the transmission rod, and the transmission rod is connected with the switch moving end insulator and the upper contact;
when the permanent magnet mechanism electromagnet moves, the permanent magnet mechanism electromagnet drives the insulator at the movable end of the switch and the contact to move towards the direction of one vacuum tube and to collide and press the vacuum tube, the vacuum tube is switched on, and the other vacuum tube in the opposite direction of the vacuum tube is switched off.
In one possible implementation, the method further includes: and each vacuum tube is connected with one elastic piece, and the elastic pieces are positioned in the direction close to the insulator and the contact at the movable end of the switch.
In one possible implementation, the method further includes: and the main controller receives the three groups of load current information sent by the commutation switch controller through the LORA module.
In one possible implementation, the method further includes: a wire inlet end N;
three groups of single-phase loads are respectively arranged between the first load live wire and the first load live wire, between the second load live wire and the second load live wire, and between the third load live wire and the first load live wire, the first load live wire is selected from A phase or B phase, the second load live wire is selected from B phase or C phase, and the third load live wire is selected from C phase or A phase.
In one possible implementation, the commutation switch controller further comprises: and the voltage detection module is used for respectively detecting the voltage between the phase A of the line inlet end, the phase B of the line inlet end, the phase C of the line inlet end and the phase N of the line inlet end.
In a second aspect, an embodiment of the present application provides a phase change switch structure, including a permanent magnet mechanism electromagnet, a transmission rod, a switch moving end insulator, and an upper contact, where the permanent magnet mechanism electromagnet is connected to the transmission rod, and the transmission rod is connected to the switch moving end insulator and the upper contact;
when the permanent magnet mechanism electromagnet moves, the permanent magnet mechanism electromagnet drives the insulator at the movable end of the switch and the contact to move towards the direction of one vacuum tube and to collide and press the vacuum tube, the vacuum tube is switched on, and the other vacuum tube in the opposite direction of the vacuum tube is switched off.
The embodiment of the application brings the following beneficial effects:
the phase change switch structure provided by the embodiment of the application comprises a phase change switch controller, a main controller and a plurality of phase change switches, wherein each phase change switch comprises a static end and a dynamic end; the static end of the first phase change switch is connected with a phase A of a line inlet end and a phase B of a line inlet end respectively, and the dynamic end of the first phase change switch is connected with a first load live wire; the static end of the second phase change switch is connected with the phase B of the incoming line end and the phase C of the incoming line end respectively, and the dynamic end of the second phase change switch is connected with a second load live wire; the static end of the third phase change switch is connected with the phase C of the incoming line end and the phase A of the incoming line end respectively, and the dynamic end of the third phase change switch is connected with a third load live wire; the commutation switch controller is used for detecting the load current of the load live wire passing through the commutation switch to obtain the information of the load current; the main controller is used for receiving the information of the load current sent by the commutation switch controller and determining whether to carry out multiphase unbalance adjustment on the commutation switch according to the information of the load current. In this scheme, commutation switch controller can detect the load current of the load live wire of a plurality of commutation switches, and with load current's information transmission to main control unit, main control unit can in time confirm whether carry out heterogeneous unbalanced control to commutation switch according to the information of the load current who receives, if confirm carry out heterogeneous unbalanced control to commutation switch, owing to can carry out the unbalanced control of three-phase to a plurality of commutation switches simultaneously, and commutation switch can freely select and be connected with any one in two phase lines of being connected, so, under the too much circumstances of load that needs the commutation, can carry out the unbalanced control of three-phase to the electric charge by the efficient, the technical problem that commutation switch probably appears the short circuit risk and adjusts the load inefficiency has been alleviated.
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a commutation switch structure provided in an embodiment of the present application;
fig. 2 is another schematic structural diagram of a commutation switch structure according to an embodiment of the present disclosure;
fig. 3 is another schematic structural diagram of a commutation switch structure according to an embodiment of the present application;
fig. 4 is another schematic structural diagram of a commutation switch structure according to an embodiment of the present application;
fig. 5 is a schematic side view of a commutation switch structure according to an embodiment of the present application.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the present application will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms "comprising" and "having," and any variations thereof, as referred to in the embodiments of the present application, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements but may alternatively include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
At present, distribution transformer mostly is three-phase transformer, has the commutation switch among the three-phase transformer, can adjust the unbalanced three-phase through adjusting the commutation switch, and in prior art, the commutation switch realizes the nature commutation including cooperation such as adopting thyristor and contactor relay, perhaps adopts mechanical switch commutation.
The existing commutation switch adopts the cooperation of a thyristor, a contactor, a relay and the like to realize natural commutation, needs proper conduction angle control, calculates the conduction angle according to the load condition, but the load changes at any time, when the load changes suddenly according to the calculated conduction angle, the natural commutation failure can be caused, even a short circuit is caused, the relay, the contactor and the like do not have mechanical interlocking, once a malfunction occurs due to equipment damage or electromagnetic interference, the short circuit can be caused, and the reliability is not high although the circuit is continuous.
When the phase of the mechanical switch is changed, the single-phase load is mainly selected from a three-phase access terminal, namely A, B, C can be selected from the single-phase load, and when the load required for changing the phase is more, the load capacity of the switch is increased. And secondly, the number of phase change switches is increased. Three groups of phase-changing switches are realized on one switch, and the three groups of switches are linked and only can realize fixed phase-changing sequence.
And most of the phase change switches collect the load condition near the phase change load to judge the phase change logic. Therefore, the balance of the whole power distribution area is required to be realized everywhere, the three phases of the whole power distribution area can be balanced, and the cost is high.
Based on this, the embodiment of the application provides a commutation switch structure, can alleviate commutation switch probably appear the short circuit risk and adjust the technical problem that load efficiency is low through this structure.
Embodiments of the present application are further described below with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a phase change switch structure provided in an embodiment of the present application, including: the phase change switch comprises a phase change switch controller 1, a main controller 2 and a plurality of phase change switches, wherein each phase change switch comprises a static end and a dynamic end; as shown in fig. 1, the structure includes:
the static end of the first phase change switch K1 is respectively connected with a phase A at a line inlet end and a phase B at a line inlet end, and the dynamic end is connected with a first load live wire L1; the static end of the second phase change switch K2 is respectively connected with a phase B at a line inlet end and a phase C at a line inlet end, and the dynamic end is connected with a second load live wire L2; the static end of the third phase change switch K3 is respectively connected with a phase C at a line inlet end and a phase A at a line inlet end, and the dynamic end is connected with a third load live wire L3;
it should be noted that the structure includes a low-voltage three-phase four-wire, where the three-phase four-wire means: 3 live wires and 1 zero line, specifically, 3 live wires usually refer to A looks, B looks and C looks, and 1 zero line refers to the N line, and A looks is the yellow line, and B looks is the green line, and C looks is the red line, and the N line is the light blue line to, low pressure three-phase four-wire is the incoming end of three commutation switch.
The static end of the first phase change switch is connected with the phase A of the incoming line end and the phase B of the incoming line end respectively, and the dynamic end of the first phase change switch is connected with the live line of the first load, so that the first load can be freely selected to be connected into the phase A of the incoming line end or the phase B of the incoming line end; the static end of the second phase change switch is connected with the phase B of the incoming line end and the phase C of the incoming line end respectively, and the dynamic end of the second phase change switch is connected with the live line of the second load, so that the second load can be freely selected to be connected into the phase B of the incoming line end and the phase C of the incoming line end; the static end of the third phase change switch is connected with the phase C of the incoming line end and the phase A of the incoming line end respectively, and the dynamic end of the third phase change switch is connected with the live line of the third load, so that the third load can be freely selected to be connected into the phase C of the incoming line end and the phase A of the incoming line end.
The commutation switch controller 1 is used for detecting the load current of the load live wire passing through the commutation switch to obtain the information of the load current;
it should be noted that the commutation switch controller is configured to detect load currents of the first load live wire passing through the first commutation switch, the second load live wire passing through the second commutation switch, and the third load live wire passing through the third commutation switch, and obtain information of load currents corresponding to the three commutation switches, respectively.
The main controller 2 is used for receiving the information of the load current sent by the commutation switch controller and determining whether to carry out multiphase unbalance adjustment on the commutation switch according to the information of the load current.
It should be noted that the main controller is configured to receive information of the load current sent by the commutation switch controller, determine whether to perform multiphase unbalance adjustment on the commutation switch according to the information of the load current, generate instructions for the three commutation switches according to the information of the load current if the multiphase unbalance adjustment needs to be performed on the commutation switch, send the instructions to the commutation switch controller, and further control the commutation switch controller to commutate the three commutation switches according to the instructions. And after the commutation switch controller completes commutation, sending result information after commutation to the main controller, so that the main controller knows the result of actually executing commutation of the commutation switch controller.
The phase change switch control device comprises a phase change switch controller, a main controller and a plurality of phase change switches, wherein each phase change switch comprises a static end and a dynamic end; the static end of the first phase change switch is connected with a phase A of a line inlet end and a phase B of a line inlet end respectively, and the dynamic end of the first phase change switch is connected with a first load live wire; the static end of the second phase change switch is connected with the phase B of the incoming line end and the phase C of the incoming line end respectively, and the dynamic end of the second phase change switch is connected with a second load live wire; the static end of the third phase change switch is connected with the phase C of the incoming line end and the phase A of the incoming line end respectively, and the dynamic end of the third phase change switch is connected with a third load live wire; the commutation switch controller is used for detecting the load current of the load live wire passing through the commutation switch to obtain the information of the load current; the main controller is used for receiving the information of the load current sent by the commutation switch controller and determining whether to carry out multiphase unbalance adjustment on the commutation switch according to the information of the load current. In this scheme, commutation switch controller can detect the load current of the load live wire of a plurality of commutation switches, and with load current's information transmission to main control unit, main control unit can in time confirm whether carry out heterogeneous unbalanced control to commutation switch according to the information of the load current who receives, if confirm carry out heterogeneous unbalanced control to commutation switch, owing to can carry out the unbalanced control of three-phase to a plurality of commutation switches simultaneously, and commutation switch can freely select and be connected with any one in two phase lines of being connected, so, under the too much circumstances of load that needs the commutation, can carry out the unbalanced control of three-phase to the electric charge by the efficient, the technical problem that commutation switch probably appears the short circuit risk and adjusts the load inefficiency has been alleviated.
The above steps are described in detail below.
In some embodiments, as an example, each commutation switch includes two stationary terminals and two moving terminals connected together.
Specifically, the dead end of the first commutation switch includes: the first static end is connected with the wire inlet end A, the second static end is connected with the wire inlet end B, and the first movable end is connected with the second movable end and then connected with the first load live wire; the second commutation switch includes: the third static end is connected with the wire inlet end B, the fourth static end is connected with the wire inlet end C, and the third movable end is connected with the fourth movable end and then connected with a second load live wire; the third commutation switch includes: the fifth static end is connected with the wire inlet end C, the sixth static end is connected with the wire inlet end A, and the fifth movable end is connected with the sixth movable end and then connected with the third load live wire.
Every commutation switch in this application embodiment all includes two quiet ends and links together two and move the end, so, can connect two quiet ends respectively with two incoming ends, two incoming ends are two arbitrary lines in the three-phase, have realized that three commutation switch all can freely switch between two lines to can adjust more loads.
In some embodiments, as an example, the live load line is the outlet of a phase change switch, and a current transformer 3 is installed at each outlet of the phase change switch.
It should be noted that the phase change switch has an input end and an output end, the load live wire is the output end of the phase change switch, and a current transformer is respectively installed at the output end of each phase change switch, for example, a current transformer 1 is installed at the output end of the first phase change switch, a current transformer 2 is installed at the output end of the second phase change switch, and a current transformer 3 is installed at the output end of the third phase change switch, so the current transformer 1 can be used for detecting the first charge current of the first load live wire, the current transformer 2 can be used for detecting the second charge current of the second load live wire, and the current transformer 3 can be used for detecting the third charge current of the third load live wire.
The load live wire in the embodiment of the application is the leading-out terminal of the phase change switch, and the current transformer is respectively arranged at the leading-out terminal of each phase change switch, so that the load current of the load live wire connected with each phase change switch can be detected, and further, the information of the load current respectively corresponding to the phase change switches is obtained.
In some embodiments, as an example, there is no linkage between the three commutation switches.
Because the three phase change switches are not linked, three-phase unbalance adjustment can be simultaneously carried out on the three phase change switches, and further more loads can be adjusted.
In some embodiments, as an example, each of the three phase-change switches is composed of two vacuum tubes 4, and the two vacuum tubes are linked with each other.
Illustratively, for two vacuum tubes in the first phase change switch, the two vacuum tubes are a first vacuum tube 4-1 and a second vacuum tube 4-2, the first vacuum tube 4-1 is connected to the incoming line end a, and the second vacuum tube 4-2 is connected to the incoming line end B, specifically, the first vacuum tube 4-1 may be located in the first stationary end and connected to the incoming line end a through the first stationary end, and the second vacuum tube 4-2 may be located in the second stationary end and connected to the incoming line end B through the second stationary end.
Because the two vacuum tubes are linked, the phase change switch can only switch on one of the vacuum tubes aiming at the two vacuum tubes corresponding to each phase change switch, thereby avoiding the short circuit caused by simultaneously selecting two phase lines by the same load and improving the safety of the circuit.
As shown in fig. 2, 3 and 4, in some embodiments, as an example, the device further includes a permanent magnet mechanism electromagnet 5, a transmission rod 6, a switch moving end insulator and an upper contact 7, wherein the permanent magnet mechanism electromagnet 5 is connected with the transmission rod 6, and the transmission rod 6 is connected with the switch moving end insulator and the upper contact 7;
when the permanent magnet mechanism electromagnet 5 moves, the permanent magnet mechanism electromagnet 5 drives the switch moving end insulator and the contact 7 to move towards the direction of one vacuum tube 4-1 and collide and press the vacuum tube 4-1, the collided vacuum tube 4-1 is switched on, and the other vacuum tube 4-2 in the opposite direction of the vacuum tube 4-1 is switched off.
Specifically, the structure further includes: the device comprises a low-voltage porcelain insulator 8 at an incoming line end and an outgoing line end, an oil-immersed phase-change switch oil injection valve 9, a lifting nose 10, a secondary line incoming and outgoing line terminal 11, a phase-change switch mounting plate 12, a switch position travel switch 13, an elastic piece 14 and a copper bar 15.
It should be noted that the incoming end and the outgoing end are both led into the oil-immersed phase-change switch through the incoming line and the outgoing line end low- voltage porcelain insulator 8, and 3 permanent magnet mechanism electromagnets 5 and 6 vacuum tubes 4 and other elements inside the phase-change switch are mounted on the phase-change switch mounting plate 12. The sequence of the phase change switch when executing the action according to the instruction is as follows: the phase change switch controller 1 arranged on the outer side wall of the switch receives an instruction of a remote main controller 2, an electric signal is transmitted to the permanent magnet mechanism electromagnet 5 through a secondary wire inlet and outlet terminal 11 arranged on the side wall, the permanent magnet mechanism electromagnet 5 drives a moving end insulator and an upper contact 7 arranged on a transmission rod 6 to move in the opposite direction of the original state, the vacuum tube 4-1 is kept in a brake-off state by an elastic piece 14 under the collision and pressing state of the non-driven end insulator and the upper contact 7, the moving end insulator and the upper contact 7 are closed after collision and pressing, meanwhile, the permanent magnet mechanism electromagnet 5 moves in place and keeps the state, and the vacuum tube 4-2 collided and pressed in the original state is in the brake-off state.
The permanent magnet mechanism electromagnet in the embodiment of the application drives the insulator and the contact at the movable end of the switch to move towards the direction of one vacuum tube and hit and press the vacuum tube, so that the vacuum tube is switched on, and the other vacuum tube in the opposite direction of the vacuum tube is switched off, so that two vacuum tubes controlled by the same permanent magnet mechanism electromagnet are ensured not to be switched on simultaneously, and the short circuit phenomenon is effectively avoided.
In some embodiments, as an example, further comprising: each vacuum tube 4 is connected with an elastic part 14, and the elastic parts 14 are positioned in the direction close to the moving end insulator and the contact 7 of the switch.
It should be noted that each vacuum tube 4 is kept in an open state according to the elastic member 14, and only when the permanent magnet mechanism electromagnet 5 drives the switch moving end insulator and the contact 7 to collide against one vacuum tube 4-1 and further collide against the elastic member 14 on the vacuum tube 4-1, the collided vacuum tube 4-1 is closed.
The vacuum tube in the embodiment of the application can guarantee the opening state according to the elastic piece, and then two vacuum tubes controlled by the electromagnet of the same permanent magnet mechanism can not be simultaneously closed, and the short circuit phenomenon is effectively avoided.
In some embodiments, as an example, further comprising: and the main controller 2 receives the information of the three groups of load currents sent by the commutation switch controller 1 through the LORA module.
It should be noted that LORA is a long-distance wireless transmission technology based on spread spectrum technology, so the LORA module can be used for long-distance wireless communication.
Still include the LORA module in this application embodiment, main control unit passes through the information that three groups of load current that LORA module received commutation switch controller and sent, has realized that main control unit can remote receipt three groups of load current's information, and then, can judge whether carry out the unbalanced three phase regulation to commutation switch, if need carry out the unbalanced three phase regulation, then can in time remote control commutation switch controller carries out the commutation to commutation switch.
In some embodiments, as an example, further comprising: a wire inlet end N;
three groups of single-phase loads are respectively arranged between a first load live wire and N, between a second load live wire and N and between a third load live wire and N, the first load live wire can be selected from A phase or B phase, the second load live wire can be selected from B phase or C phase, and the third load live wire can be selected from C phase or A phase.
Specifically, the first load live wire is connected with the moving end of the first phase change switch, and the first phase change switch is connected with the phase A of the incoming line end and the phase B of the incoming line end, so that the first load live wire can be selectively connected with the phase A or the phase B; the second load live wire is connected with the moving end of the second phase change switch, and the second phase change switch is connected with the phase B of the incoming line end and the phase C of the incoming line end, so that the second load live wire can be selectively connected with the phase B or the phase C; the third load live wire is connected with the moving end of the third phase change switch, and the third phase change switch is connected with the incoming line end C and the incoming line end A, so that the third load live wire can be selectively connected with the phase C or the phase A.
In some embodiments, as an example, further comprising: the commutation switch controller 1 further includes: and the voltage detection module is used for respectively detecting the voltage between the phase A of the line inlet end, the phase B of the line inlet end, the phase C of the line inlet end and the phase N of the line inlet end.
Specifically, the commutation switch controller 1 is connected to the line-out terminals of the three commutation switches, so that the commutation switch controller 1 can perform voltage detection on each commutation switch.
The phase change switch structure that this application embodiment provided includes: the switch comprises a permanent magnet mechanism electromagnet 5, a transmission rod 6, a switch moving end insulator and an upper contact 7, wherein the permanent magnet mechanism electromagnet 5 is connected with the transmission rod 6, and the transmission rod 6 is connected with the switch moving end insulator and the upper contact 7;
when the permanent magnet mechanism electromagnet 5 moves, the permanent magnet mechanism electromagnet 5 drives the switch moving end insulator and the contact 7 to move towards the direction of one vacuum tube 4-1 and collide and press the vacuum tube 4-1, the collided vacuum tube 4-1 is switched on, and the other vacuum tube 4-2 in the opposite direction of the vacuum tube 4-1 is switched off.
The phase change switch structure provided by the embodiment of the application has the same technical characteristics as the phase change switch structure provided by the embodiment, so that the same technical problems can be solved, and the same technical effects can be achieved.
The commutation switch structure provided by the embodiment of the application can be specific hardware on the device or software or firmware installed on the device. The structure provided by the embodiment of the present application, the implementation principle and the generated technical effects are the same as those of the foregoing structural embodiments, and for the sake of brief description, no part of the structural embodiments is mentioned, and reference may be made to the corresponding contents in the foregoing structural embodiments. It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the foregoing systems, apparatuses and units may refer to the corresponding processes in the foregoing structural embodiments, and are not described herein again.
In the embodiments provided in the present application, it should be understood that the disclosed commutation switch structure can be implemented in other manners. The above-described structural embodiments are merely illustrative, and for example, the division of the units is only one type of logical functional division, and there may be other divisions when actually implemented, and for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some communication interfaces, and may be in an electrical, mechanical or other form.
As another example, the structural schematics in the figures illustrate the architecture, functionality, and operation of possible implementations of structures and computer program products according to various embodiments of the present application. In this regard, each block in the structural schematic diagram may represent a module, a program segment, or a portion of code, which contains one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams, and combinations of blocks in the block diagrams and/or block diagrams, can be implemented by special purpose hardware-based systems that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments provided in the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the contents of the commutation switch structure described in the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus once an item is defined in one figure, it need not be further defined and explained in subsequent figures, and moreover, the terms "first", "second", "third", etc. are used merely to distinguish one description from another and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present application, and are used for illustrating the technical solutions of the present application, but not limiting the same, and the scope of the present application is not limited thereto, and although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope disclosed in the present application; such modifications, changes or substitutions do not depart from the scope of the embodiments of the present application. Are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A commutation switch structure, the structure comprising: the phase change switch comprises a phase change switch controller, a main controller and a plurality of phase change switches, wherein each phase change switch comprises a static end and a dynamic end;
the static end of the first phase change switch is respectively connected with a phase A of a line inlet end and a phase B of a line inlet end, and the dynamic end is connected with a first load live wire; the static end of the second phase change switch is respectively connected with a phase B of a line inlet end and a phase C of a line inlet end, and the dynamic end is connected with a second load live wire; the static end of the third phase change switch is respectively connected with a phase C of a line inlet end and a phase A of a line inlet end, and the dynamic end is connected with a third load live wire;
the commutation switch controller is used for detecting the load current of the load live wire passing through the commutation switch to obtain the information of the load current;
the main controller is used for receiving the information of the load current sent by the commutation switch controller and determining whether to carry out multiphase unbalance adjustment on the commutation switch according to the information of the load current.
2. The commutation switch structure of claim 1, wherein each commutation switch comprises two stationary terminals and two moving terminals connected together.
3. The commutation switch structure of claim 1, wherein the live line of load is an outlet of the commutation switch, and a current transformer is installed at the outlet of each commutation switch.
4. The commutation switch structure of claim 1, wherein three commutation switches are not linked.
5. The commutation switch structure of claim 1, wherein each of the three commutation switches comprises two vacuum tubes, and the two vacuum tubes are linked.
6. The commutation switch structure of claim 1, further comprising a permanent magnet mechanism electromagnet, a transmission rod, a switch moving end insulator, and an upper contact, wherein the permanent magnet mechanism electromagnet is connected to the transmission rod, and the transmission rod is connected to the switch moving end insulator and the upper contact;
when the permanent magnet mechanism electromagnet moves, the permanent magnet mechanism electromagnet drives the insulator at the movable end of the switch and the contact to move towards the direction of one vacuum tube and to collide and press the vacuum tube, the vacuum tube is switched on, and the other vacuum tube in the opposite direction of the vacuum tube is switched off.
7. The commutation switch architecture of claim 6, further comprising: and each vacuum tube is connected with one elastic piece, and the elastic pieces are positioned in the direction close to the insulator and the contact at the movable end of the switch.
8. The commutation switch architecture of claim 1, further comprising: and the main controller receives the three groups of load current information sent by the commutation switch controller through the LORA module.
9. The commutation switch architecture of claim 1, further comprising: a wire inlet end N;
three groups of single-phase loads are respectively arranged between the first load live wire and the first load live wire, between the second load live wire and the second load live wire, and between the third load live wire and the first load live wire, the first load live wire is selected from A phase or B phase, the second load live wire is selected from B phase or C phase, and the third load live wire is selected from C phase or A phase.
10. The commutation switch architecture of claim 9, wherein the commutation switch controller further comprises: and the voltage detection module is used for respectively detecting the voltage between the phase A of the line inlet end, the phase B of the line inlet end, the phase C of the line inlet end and the phase N of the line inlet end.
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|---|---|---|---|
| CN202022891119.6U CN214337573U (en) | 2020-12-01 | 2020-12-01 | Phase-change switch structure |
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| CN202022891119.6U CN214337573U (en) | 2020-12-01 | 2020-12-01 | Phase-change switch structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114694987A (en) * | 2022-04-12 | 2022-07-01 | 南方电网调峰调频发电有限公司 | Intensive phase change switch |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114694987A (en) * | 2022-04-12 | 2022-07-01 | 南方电网调峰调频发电有限公司 | Intensive phase change switch |
| CN114694987B (en) * | 2022-04-12 | 2024-01-23 | 南方电网调峰调频发电有限公司 | Intensive phase change switch |
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