CN109217340A - Three-phase equilibrium regulating device, system and method - Google Patents
Three-phase equilibrium regulating device, system and method Download PDFInfo
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- CN109217340A CN109217340A CN201811095968.1A CN201811095968A CN109217340A CN 109217340 A CN109217340 A CN 109217340A CN 201811095968 A CN201811095968 A CN 201811095968A CN 109217340 A CN109217340 A CN 109217340A
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- movable contact
- contact spring
- phase line
- phase
- electromagnet
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/26—Arrangements for eliminating or reducing asymmetry in polyphase networks
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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
- 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
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- Manufacture Of Motors, Generators (AREA)
Abstract
The application provides a kind of three-phase equilibrium regulating device, system and method.There are two movable contacts for movable contact spring installation in described device, and respectively every group of terminal assemblies in three groups of terminal assemblies of an external phase line include two connecting terminals for being equipped with stationary contact；Rotary electric machine is fixedly mounted on carrier, and six connecting terminals are fixedly mounted on carrier with being circumferentially distributed around the rotary shaft of rotary electric machine, wherein two connecting terminals for belonging to same group of terminal assemblies are on same straight line；Rotary electric machine is connect with movable contact spring, for driving movable contact spring to rotate, two movable contacts is made to be respectively aligned to two stationary contacts of corresponding terminal component；Elastic component is arranged on movable contact spring, and electromagnet is connect with movable contact spring electromagnetism, for being adsorbed or being discharged to movable contact spring, to cooperate elastic component that two movable contacts is made to be separated from each other or contact with two stationary contacts being aligned.Described device rotates commutation mode by motor and switches current power phase line, avoids the occurrence of phase fault.
Description
Technical field
This application relates to power distribution systems regulation technology field, in particular to a kind of three-phase equilibrium regulating device, system
And method.
Background technique
All there is three-phase electricity consumption energy imbalance in low-voltage power line distribution network system, when this three-phase electricity consumption for a long time
It usually will cause distribution network when energy imbalance is serious to be unable to operate normally, reduce electrical equipment reliability and working life,
Simultaneously also security risk can be brought to distribution network.Therefore, current distribution network is generallyd use by three groups of electromagnetism class relays
The three-phase equilibrium regulating device of composition carries out phase line switching control to A phase line, B phase line and C phase line, to realize three-phase electricity consumption
Balance.But this three-phase equilibrium regulating device obtained based on electromagnetism class relay is there are the risk of phase fault, once it is this
When any two group relay of three-phase equilibrium regulating device or three group relay maloperations, it will result in distribution network and route occur
Short circuit.
Summary of the invention
In order to overcome above-mentioned deficiency in the prior art, the application's is designed to provide a kind of three-phase equilibrium adjusting dress
It sets, system and method, the three-phase equilibrium regulating device is carrying out three phase lines realizing by way of motors rotate commutations pair
The switching of current power phase line, the phenomenon that avoiding the occurrence of phase fault.
For device, the embodiment of the present application provides a kind of three-phase equilibrium regulating device, and described device includes carrier, electricity
Magnet, elastic component, rotary electric machine, movable contact spring and three groups of terminal assemblies, wherein there are two movable contacts for installation on the movable contact spring, often
The group terminal assemblies include two connecting terminals for being equipped with stationary contact；
The rotary electric machine is fixedly mounted on the carrier, and six connecting terminals are around the rotary electric machine
Rotary shaft corresponding to rotor is fixedly mounted on the carrier with being circumferentially distributed, wherein belonging to same group of terminal
Two connecting terminals of component are on same straight line, three adjacent connecting terminals in six connecting terminals
It is connected with each other and external zero curve, connecting terminal described in the other three distinguishes a phase in external A phase line, B phase line and C phase line
Line；
The rotor of the rotary electric machine is connect with the movable contact spring, for driving the movable contact spring to go to each terminal group
At the corresponding position of part, two on the movable contact spring movable contacts is made to be respectively aligned to two wiring in corresponding terminal component
Stationary contact on terminal；
The elastic component is arranged on the movable contact spring, the electromagnet be fixedly mounted on the carrier and with it is described
Movable contact spring electromagnetism connection, for the movable contact spring to be adsorbed or discharged, to cooperate the elastic component to make on the movable contact spring
Two movable contacts be separated from each other or contact with two stationary contacts in corresponding terminal component.
Optionally, in the embodiment of the present application, between two connecting terminals adjacent in six above-mentioned connecting terminals
Central angle degree be 60 °.
Optionally, in the embodiment of the present application, the stationary contact on each above-mentioned connecting terminal is mounted on the connecting terminal not
On the side for contacting the carrier, two movable contacts on the movable contact spring are mounted on the movable contact spring towards the carrier
On side.
Optionally, in the embodiment of the present application, centered on above-mentioned movable contact spring rotary shaft corresponding to the rotor
Axis, and be socketed on the rotor, two movable contacts are centrosymmetric ground about the rotary shaft of the rotor
It is distributed on the movable contact spring.
Optionally, in the embodiment of the present application, above-mentioned elastic component is arranged between the electromagnet and the movable contact spring, institute
The one end for stating elastic component is fixedly connected with the movable contact spring, and the other end of the elastic component is fixedly connected with the electromagnet.
Optionally, in the embodiment of the present application, above-mentioned elastic component is arranged between the movable contact spring and the carrier, institute
The one end for stating elastic component is fixedly connected with the movable contact spring, and the other end of the elastic component is fixedly connected with the carrier.
For system, the embodiment of the present application provides a kind of three-phase equilibrium regulating system, the system comprises control device,
Acquisition device, communication device and any one above-mentioned three-phase equilibrium regulating device；
The control device and the acquisition device are electrically connected, for controlling the acquisition device to A phase line, B phase line
And the waveshape output signal of each phase line of C phase line is acquired in real time；
The control device and the communication device are electrically connected, and are used for the real-time collected each phase of the acquisition device
The waveshape output signal of line is sent to main control terminal by the communication device, and is received by the communication device from described
The phase modulation of main control terminal instructs；
Electromagnet and rotary electric machine in the control device and the three-phase equilibrium regulating device are electrically connected, and are used for root
The working condition of the electromagnet and the rotary electric machine is controlled according to phase modulation instruction, by the three-phase equilibrium tune
The phase line that movable contact spring in regulating device currently contacts connection is switched to target phase line corresponding with phase modulation instruction.
For method, the embodiment of the present application provides a kind of three-phase equilibrium adjusting method, applied to above-mentioned three-phase equilibrium
Regulating system, which comprises
Acquisition device acquires the waveshape output signal of A phase line, B phase line and each phase line of C phase line in real time；
Control device receives the phase modulation from main control terminal by communication device and instructs, and solves to phase modulation instruction
Analysis obtains the corresponding target phase line of phase modulation instruction；
The control device controls electromagnet pair according to the waveshape output signal of the current phase line of the contacted connection of movable contact spring
The movable contact spring is adsorbed, so that movable contact spring terminal assemblies disconnection corresponding with the current phase line contact connection pass
System；
The control device control rotary electric machine drives the movable contact spring to go to terminal group corresponding with the target phase line
At the position of part, so that two movable contacts on the movable contact spring are respectively aligned in the corresponding terminal assemblies of the target phase line
Two stationary contacts；
The control device controls the electromagnet to the movable contact spring according to the waveshape output signal of the target phase line
It is discharged, so that two on the movable contact spring movable contact, two in terminal assemblies corresponding with the target phase line respectively
The connection of stationary contact point contact.
Optionally, in the embodiment of the present application, above-mentioned control device is according to the current phase line of the contacted connection of movable contact spring
Waveshape output signal control electromagnet the step of adsorbing to the movable contact spring includes:
Zero point detection is carried out to the waveshape output signal of the current phase line；
When detecting the waveshape output signal zero crossing of the current phase line, the electromagnet is controlled to the movable contact spring
It is adsorbed, so that two on the movable contact spring movable contact, two in terminal assemblies corresponding with the current phase line respectively
Stationary contact separation.
Optionally, in the embodiment of the present application, above-mentioned control device is according to the waveshape output signal control of the target phase line
Making the step of electromagnet discharges the movable contact spring includes:
Zero point detection is carried out to the waveshape output signal of the target phase line；
When detecting the waveshape output signal zero crossing of the target phase line, the electromagnet is controlled to the movable contact spring
It is discharged, so that two on the movable contact spring movable contact, two in terminal assemblies corresponding with the target phase line respectively
The connection of stationary contact point contact.
In terms of existing technologies, three-phase equilibrium regulating device provided by the embodiments of the present application, system and method have
Below the utility model has the advantages that the three-phase equilibrium regulating device is carrying out three phase lines realizing by way of motors rotate commutations to working as
The switching of preceding electricity consumption phase line, the phenomenon that avoiding the occurrence of phase fault.The three-phase equilibrium regulating device includes carrier, electromagnetism
Iron, elastic component, rotary electric machine, movable contact spring and three groups of terminal assemblies, wherein movable contact there are two being installed on the movable contact spring, every group
The terminal assemblies include two connecting terminals for being equipped with stationary contact.The rotary electric machine is fixedly mounted on the carrier
On, rotary shaft corresponding to rotor of six connecting terminals around the rotary electric machine is circumferentially distributed the fixed peace in ground
On the carrier, wherein two connecting terminals for belonging to same group of terminal assemblies are on same straight line, six
Adjacent three connecting terminals are connected with each other and external zero curve in a connecting terminal, connecting terminal described in the other three
A phase line in external A phase line, B phase line and C phase line respectively.The rotor of the rotary electric machine and the movable contact spring connect
It connects, for driving the movable contact spring to go at the corresponding position of each terminal assemblies, makes two movable contacts point on the movable contact spring
It Dui Zhun not stationary contact on two connecting terminals in corresponding terminal component.The elastic component is arranged in the movable contact spring
On, the electromagnet is fixedly mounted on the carrier and connect with the movable contact spring electromagnetism, for the movable contact spring into
Row absorption or release, and the elastic component is cooperated to make two movable contacts on the movable contact spring and two in corresponding terminal component
Stationary contact is separated from each other or contacts, to be carried out by the cooperation between rotating electric machine, elastic component and electromagnet to three phase lines
The phenomenon that motor rotates commutation, the switching with realization to current power phase line, avoids the occurrence of phase fault.
To enable the above objects, features, and advantages of the application to be clearer and more comprehensible, the application preferred embodiment is cited below particularly,
And cooperate appended attached drawing, it is described in detail below.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore is not construed as pair
The restriction of the claim of this application protection scope, for those of ordinary skill in the art, what is do not made the creative labor
Under the premise of, it can also be obtained according to these attached drawings other relevant attached drawings.
Fig. 1 is the first structural schematic diagram of three-phase equilibrium regulating device provided by the embodiments of the present application.
Fig. 2 is the decomposition diagram of three-phase equilibrium regulating device shown in FIG. 1.
Fig. 3 is second of structural schematic diagram of three-phase equilibrium regulating device provided by the embodiments of the present application.
Fig. 4 is the decomposition diagram of three-phase equilibrium regulating device shown in Fig. 3.
Fig. 5 is the block diagram of three-phase equilibrium regulating system provided by the embodiments of the present application.
Fig. 6 is the flow diagram of three-phase equilibrium adjusting method provided by the embodiments of the present application.
Fig. 7 is the flow diagram for the sub-step that step S530 shown in Fig. 6 includes.
Fig. 8 is the flow diagram for the sub-step that step S550 shown in Fig. 6 includes.
Icon: 100- three-phase equilibrium regulating device；110- carrier；120- rotary electric machine；130- terminal assemblies；131- connects
Line terminals；132- stationary contact；140- movable contact spring；141- movable contact；150- electromagnet；151- magnet ontology；152- magnet holder；
121- rotor；122- rotor installation part；160- elastic component；10- three-phase equilibrium regulating system；200- control device；300-
Acquisition device；400- communication device.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.The application being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments herein provided in the accompanying drawings is not intended to limit below claimed
Scope of the present application, but be merely representative of the selected embodiment of the application.Based on the embodiment in the application, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model of the application protection
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present application, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in this application.
With reference to the accompanying drawing, it elaborates to some embodiments of the application.In the absence of conflict, following
Feature in embodiment and embodiment can be combined with each other.
Incorporated by reference to referring to FIG. 1 and FIG. 2, wherein Fig. 1 is the of three-phase equilibrium regulating device 100 provided by the embodiments of the present application
A kind of structural schematic diagram, Fig. 2 are the decomposition diagrams of three-phase equilibrium regulating device 100 shown in FIG. 1.In the embodiment of the present application
In, the three-phase equilibrium regulating device 100 is realized by way of motor rotates commutation to current power carrying out to three phase lines
The switching of phase line, the phenomenon that avoiding the occurrence of phase fault.Wherein, the three-phase equilibrium regulating device 100 include carrier 110,
Electromagnet 150, elastic component 160, rotary electric machine 120, movable contact spring 140 and three groups of terminal assemblies 130, wherein every group of terminal assemblies
A phase line in 130 corresponding A phase lines, B phase line and C phase line, the movable contact spring 140 pass through terminal assemblies corresponding with each phase line
Any one group of terminal assemblies 130 in 130 carry out the mode of contact connection, it is ensured that adjust through the three-phase equilibrium regulating device 100
Current power phase line after section is that phase line corresponding to the terminal assemblies 130 of connection is contacted with the movable contact spring 140.
In the present embodiment, terminal assemblies 130 described in every group include two connecting terminals 131 for being equipped with stationary contact 132,
There are two movable contacts 141, the movable contact spring 140 to pass through two movable contacts on the movable contact spring 140 for installation on the movable contact spring 140
141 contact the mode of connection with two stationary contacts 132 in corresponding terminal component 130 respectively, make the movable contact spring 140 and the end
The corresponding contact connection of sub-component 130.
In the present embodiment, the rotary electric machine 120 is for driving the movable contact spring 140 to be rotated.The rotation electricity
Machine 120 is fixedly mounted on a side of the carrier 110 by fixed column, and the fixed column can make the rotary electric machine
It is spaced apart from each other between 120 and the carrier 110.Wherein the rotary electric machine 120 includes rotor 121, the fixed column
Rotor 121 when the rotary electric machine 120 to be fixedly mounted on the carrier 110, on the rotary electric machine 120
Towards the side of the installation rotary electric machine 120 of the carrier 110.
In the present embodiment, the rotary electric machine 120 further includes rotor installation part 122, and the rotor installation part 122 is socketed
On the rotor 121, the rotor installation part 122 is fixedly connected with the movable contact spring 140, so that the movable contact spring
140 are socketed on the rotor 121 by the rotor installation part 122, and turn the rotor 121 by described
Sub- installation part 122 drives the movable contact spring 140 to rotate clockwise or counterclockwise.Optionally, the rotor installation part 122 is socketed in
Rotary shaft extending direction on one end of the rotor 121 along the rotor 121 opens up accommodating space, the rotor
The notch for being connected to the accommodating space, the extending direction of the notch and the rotary shaft are offered on the side wall of installation part 122
Extending direction is parallel.The rotor head of the rotor 121 is accommodated in the accommodating space, and by being removably mounted at
The rotor installation part 122 is mounted on the rotor 121 by the fixing piece on the rotor head.The wherein fixation
Part is mutually matched in the position on the rotor head with the notch on the rotor installation part 122, and the fixing piece is accommodated in
In the notch, to ensure the rotor installation part 122 can be opposite by the cooperation between the fixing piece and the notch
It is moved back and forth on the rotary shaft extending direction of the rotor 121 in the rotor 121.In the present embodiment, institute
Stating fixing piece may be, but not limited to, the fastening structures such as dismountable bolt, T font screw.
In the present embodiment, six connecting terminals 131 around the rotary electric machine 120 rotor 121 pair
The rotary shaft answered is fixedly mounted on a side of the carrier 110 with being circumferentially distributed.Wherein, the carrier 110
The sides of installation six connecting terminals 131 can be the side for installing the rotary electric machine 120, be also possible to and install
The opposite another side in the side of the rotary electric machine 120.
In the present embodiment, the movable contact spring 140 is in the same of the carrier 110 with six connecting terminals 131
Side, it is separate and do not contact the carrying that the stationary contact 132 on each connecting terminal 131 is mounted on the connecting terminal 131
On the side of disk 110, two movable contacts 141 on the movable contact spring 140 are mounted on the movable contact spring 140 towards the carrier
On 110 side.Position of six connecting terminals 131 on the carrier 110, need to ensure to belong to same group of terminal
The connecting terminal 131 of two of component 130 is on same straight line, so that the rotary electric machine 120 is driving the dynamic touching
When piece 140 is rotated, two movable contacts 141 on the movable contact spring 140 can have an opportunity respectively and in corresponding terminal component 130
Two stationary contacts 132 contact connection.
Wherein, the position of the stationary contact 132 on each connecting terminal 131 and on the movable contact spring 140 two
It is described need to ensure that the movable contact spring 140 can make under the induced effect of the rotary electric machine 120 for the position of a movable contact 141
On two connecting terminals 131 that two movable contacts 141 on movable contact spring 140 are respectively aligned in corresponding terminal component 130
Stationary contact 132.The position of the stationary contact 132 on each connecting terminal 131 between each other can be identical, can also not
Together.The position of two movable contacts 141 on the movable contact spring 140 can be in center pair about 140 center of movable contact spring
Title relationship, can also be asymmetric about 140 center of movable contact spring.
In an embodiment of the present embodiment, the position that is connect on the movable contact spring 140 with the rotor 121
Positioned at the center position of the movable contact spring 140, the movable contact spring 140 using the rotary shaft of the rotor 121 as center axis
It is socketed on the rotor 121, position of two movable contacts 141 on the movable contact spring 140 is about the motor
The rotary shaft of rotor 121 is centrosymmetric distribution, and the position of the stationary contact 132 on each connecting terminal 131 is homogeneous
Together.
In the present embodiment, the center of circle angle between terminal assemblies 130 described in two groups adjacent in three groups of terminal assemblies 130
Number may be the same or different.For example, in three groups of terminal assemblies 130, adjacent first group of terminals component 130 and second group
Central angle degree between terminal assemblies 130 is 30 ° or 150 °, adjacent second group of terminals component 130 and third group terminal group
Central angle degree between part 130 is also 30 ° or 150 °, third group terminal assemblies 130 adjacent at this time and first group of terminals group
Central angle degree between part 130 is 120 °.In an embodiment of the present embodiment, three groups of terminal assemblies 130 are corresponding
Six connecting terminals 131 in central angle degree between adjacent two connecting terminals 131 be 60 °, to ensure
Central angle degree in terminal assemblies 130 described in three groups between two adjacent groups terminal assemblies 130 is 60 ° or 120 °, described at this time
Three-phase equilibrium regulating device 100 need to only control institute when switching the terminal assemblies 130 of the currently contact connection of movable contact spring 140
Stating rotary electric machine 120 drives the movable contact spring 140 to rotate 60 ° clockwise or counterclockwise, can be mobile by the movable contact spring 140
The terminal assemblies 130 of contact connection are wanted in alignment.
In the present embodiment, three adjacent in six connecting terminals 131 connecting terminals 131 are connected with each other simultaneously
External zero curve, connecting terminal 131 described in the other three distinguishes a phase line in external A phase line, B phase line and C phase line, so that institute
Terminal assemblies 130 described in stating three in three-phase equilibrium regulating device 100 groups are each responsible for one in A phase line, B phase line and C phase line
Phase line.The rotor 121 of the rotary electric machine 120 can drive the movable contact spring 140 to turn to by rotor installation part 122
At the position of terminal assemblies 130 corresponding to each phase line, two movable contacts 141 on the movable contact spring 140 is made to be respectively aligned to correspond to
The stationary contact 132 on two connecting terminals 131 in terminal assemblies 130.
In the present embodiment, the elastic component 160 is arranged on the movable contact spring 140, and the electromagnet 150 is fixedly mounted
It is connect on the carrier 110 and with 140 electromagnetism of movable contact spring, for the movable contact spring 140 to be adsorbed or is discharged,
To cooperate the elastic component 160 to make two movable contacts 141 on the movable contact spring 140 and two in corresponding terminal component 130
Stationary contact 132 is separated from each other or contacts.
In the present embodiment, the electromagnet 150 includes magnet ontology 151 and magnet holder 152, the magnet ontology
151 for realizing the electromagnet 150 function solenoid, the magnet holder 152 is for ensuring that the magnet ontology 151 is located at
Side of the movable contact spring 140 far from the carrier 110.The magnet holder 152 and the fixed company of the magnet ontology 151
It connects, the magnet holder 152 is mounted on being equipped on the side of three groups of terminal assemblies 130 of the carrier 110, so that described
Electromagnet 150 and the movable contact spring 140 are located at the same side of the carrier 110, it is ensured that the electromagnet 150 can be to described dynamic
Contact 140 is adsorbed or is discharged.
In an embodiment of the present embodiment, the setting of elastic component 160 is in the electromagnet 150 and the dynamic touching
Between piece 140, one end of the elastic component 160 is fixedly connected with the movable contact spring 140, the other end of the elastic component 160 with
The electromagnet 150 is fixedly connected.When the electromagnet 150 adsorbs the movable contact spring 140, the movable contact spring 140 exists
It is mobile to the direction far from the carrier 110 relative to the rotary electric machine 120 under the action of electromagnet 150, make described dynamic
Two movable contacts 141 of contact 140 currently contact two 132 phases of stationary contact of the terminal assemblies 130 of connection with the movable contact spring 140
Mutually when separation, the elastic component 160 is in compressive state, and it is described that the rotary electric machine 120 will drive the movable contact spring 140 to go to
Three-phase equilibrium regulating device 100 currently needs to contact at the position of terminal assemblies 130 of connection, and makes the movable contact spring 140
Two movable contacts 141 are mutually aligned with two stationary contacts 132 of the terminal assemblies 130 for contacting connection are needed respectively.And when described
When electromagnet 150 discharges the movable contact spring 140, the movable contact spring 140 is acted in the elastic recovery of the elastic component 160
Under it is mobile to the direction close to the carrier 110 relative to the rotary electric machine 120, keep two of the movable contact spring 140 dynamic
Two stationary contacts 132 contact that contact 141 contacts the terminal assemblies 130 of connection with current needs is connected to, to realize described three
Handoff procedure of the regulating device that balances each other 100 to current power phase line.
In the another embodiment of the present embodiment, the setting of elastic component 160 is held in the movable contact spring 140 with described
Between load plate 110, one end of the elastic component 160 is fixedly connected with the movable contact spring 140, the other end of the elastic component 160
It is fixedly connected with the carrier 110.When the electromagnet 150 adsorbs the movable contact spring 140, the movable contact spring 140
It is mobile to the direction far from the carrier 110 relative to the rotary electric machine 120 under the action of electromagnet 150, make described
Two movable contacts 141 of movable contact spring 140 currently contact two stationary contacts 132 of the terminal assemblies 130 of connection with the movable contact spring 140
When being separated from each other, the elastic component 160 is in tensional state, and the rotary electric machine 120 will drive the movable contact spring 140 to go to institute
It states three-phase equilibrium regulating device 100 currently to need to contact at the position of terminal assemblies 130 of connection, and makes the movable contact spring 140
Two movable contacts 141 respectively with need contact two stationary contacts 132 of terminal assemblies 130 being connected to and be mutually aligned.And work as institute
When stating electromagnet 150 and discharging to the movable contact spring 140, the movable contact spring 140 is made in the elastic recovery of the elastic component 160
Make two of the movable contact spring 140 to close to the movement of the direction of the carrier 110 relative to the rotary electric machine 120 under
Two stationary contacts 132 contact that movable contact 141 contacts the terminal assemblies 130 of connection with current needs is connected to, thus described in realizing
Handoff procedure of the three-phase equilibrium regulating device 100 to current power phase line.
In an embodiment of the present embodiment, when installation six connecting terminals 131 of the carrier 110
When side is the another side opposite with the side for installing the rotary electric machine 120, it will offer on the carrier 110 for institute
The through-hole that rotor installation part 122 passes through is stated, the size of the through-hole need to ensure to be accommodated in the installation of the rotor in the through-hole
Part 122 being capable of normal rotation.The rotor 121 of one end of the rotor installation part 122 and the rotary electric machine 120 connects at this time
It connects, the other end of the rotor installation part 122 is fixedly connected through the through-hole with the movable contact spring 140, so that the rotation
Motor 120 can normally drive the movable contact spring 140 to be rotated, and the three-phase equilibrium regulating device 100 at this time is
The three-phase equilibrium regulating device 100 of Fig. 1 as shown in connection with fig. 2.
In the another embodiment of the present embodiment, when installation six connecting terminals 131 of the carrier 110
Side be that the rotary electric machine 120 will be located at the electromagnet 150 far from institute when the side of the rotary electric machine 120 is installed
State the side of carrier 110, on the magnet ontology 151 of the electromagnet 150 with rotary shaft corresponding to the rotor 121
The through-hole passed through for the rotor installation part 122 is offered at the position of extending direction intersection, the size of the through-hole need to ensure
The rotor installation part 122 being accommodated in the through-hole being capable of normal rotation.At this time one end of the rotor installation part 122 with
The rotor 121 of the rotary electric machine 120 connects, the other end of the rotor installation part 122 through the through-hole with it is described
Movable contact spring 140 is fixedly connected, so that the rotary electric machine 120 can normally drive the movable contact spring 140 to be rotated, at this time
The three-phase equilibrium regulating device 100 be the three-phase equilibrium regulating device 100 of Fig. 3 as shown in connection with fig. 4, wherein Fig. 3 is this
Apply for second of structural schematic diagram of the three-phase equilibrium regulating device 100 that embodiment provides, Fig. 4 is three-phase equilibrium shown in Fig. 3
The decomposition diagram of regulating device 100.
It referring to figure 5., is the block diagram of three-phase equilibrium regulating system 10 provided by the embodiments of the present application.In the application
In embodiment, the three-phase equilibrium regulating system 10 includes control device 200, acquisition device 300, communication device 400 and Fig. 1
Or three-phase equilibrium regulating device 100 shown in Fig. 3.
In the present embodiment, the control device 200 is electrically connected with the acquisition device 300, for controlling described adopt
Acquisition means 300 acquire the waveshape output signal of A phase line, B phase line and each phase line of C phase line in real time.The wherein acquisition dress
300 are set to be acquired in real time by voltage output signal to A phase line, B phase line and each phase line of C phase line and current output signal,
And the voltage output signal and current output signal of collected each phase line are analyzed and processed, obtain A phase line, B phase line and C
The corresponding waveshape output signal of phase line.
In the present embodiment, the communication device 400 is communicated to connect with main control terminal, the control device 200 with it is described
Communication device 400 is electrically connected, for by the communication device 400 by the real-time collected each phase of the acquisition device 300
The waveshape output signal of line is sent to the main control terminal, and is received by the communication device 400 and come from the main control terminal
Phase modulation instruction.
In the present embodiment, the control device 200 in the three-phase equilibrium regulating device 100 electromagnet 150 and
Rotary electric machine 120 is electrically connected, for the work according to phase modulation instruction to the electromagnet 150 and the rotary electric machine 120
It is controlled as state, the phase line of the currently contact connection of the movable contact spring 140 in the three-phase equilibrium regulating device 100 is switched
For target phase line corresponding with phase modulation instruction.Wherein, the three-phase equilibrium regulating device 100 by adjust switching with it is described
The mode of terminal assemblies 130 corresponding to each phase line of the contact connection of movable contact spring 140 connects the currently contact of movable contact spring 140
Logical phase line is switched to target phase line corresponding with phase modulation instruction.
Fig. 6 is please referred to, is the flow diagram of three-phase equilibrium adjusting method provided by the embodiments of the present application.In the application reality
It applies in example, the three-phase equilibrium adjusting method is applied to above-mentioned three-phase equilibrium regulating system 10, below to three-phase shown in fig. 6
The detailed process and step of balance adjusting method are described in detail.
Step S510, acquisition device 300 acquire the waveshape output signal of A phase line, B phase line and each phase line of C phase line in real time.
In the present embodiment, the three-phase equilibrium regulating system 10 will control the acquisition by the control device 200
The mode of device 300 makes the acquisition device 300 acquire the waveform output letter of A phase line, B phase line and each phase line of C phase line in real time
Number.
Step S520, control device 200 receive the phase modulation instruction from main control terminal by communication device 400, and to institute
It states phase modulation instruction to be parsed, obtains the corresponding target phase line of phase modulation instruction.
It in the present embodiment, include that the three-phase equilibrium regulating system 10 needs to switch in place in the phase modulation instruction
Target phase line, the control device 200 are obtained corresponding to phase modulation instruction by way of parsing to phase modulation instruction
Target phase line.The control device 200 obtains described three for by way of detecting the three-phase equilibrium regulating device 100
The movable contact spring 140 in the regulating device that balances each other 100 currently contacts the current phase line of connection.The control device 200
According to the position of the current phase line and the corresponding terminal assemblies 130 of the target phase line on the carrier 110, generate
For controlling the rotation command of the rotary electric machine 120 in the three-phase equilibrium regulating device 100, wherein the rotation command includes
The rotation direction and degree of rotation of the rotary electric machine 120, the rotation direction include rotating clockwise direction or turning counterclockwise
Dynamic direction.
Step S530, the control device 200 contact the waveform output letter of the current phase line of connection according to movable contact spring 140
Number control electromagnet 150 movable contact spring 140 is adsorbed so that the movable contact spring 140 is corresponding with the current phase line
Terminal assemblies 130 disconnect contact connected relation.
Fig. 7 is please referred to, is the flow diagram for the sub-step that step S530 includes shown in Fig. 6.In the present embodiment,
The step S530 includes sub-step S531 and sub-step S532.
Sub-step S531 carries out zero point detection to the waveshape output signal of the current phase line.
Sub-step S532 controls the electromagnet when detecting the waveshape output signal zero crossing of the current phase line
150 pairs of movable contact springs 140 adsorb so that two on the movable contact spring 140 movable contact 141 respectively with the current phase
Two stationary contacts 132 separation in the corresponding terminal assemblies 130 of line.
In the present embodiment, the control device 200 is in the waveshape output signal zero crossing of the current phase line, control
The contact connection that the electromagnet 150 disconnects between the movable contact spring 140 terminal assemblies 130 corresponding with the current phase line is closed
System, it can be ensured that the three-phase equilibrium regulating device 100 is not in contact arc discharge electric discharge phenomena.
Step S540, the control device 200 control rotary electric machine 120 and the movable contact spring 140 are driven to go to and the mesh
At the position for marking the corresponding terminal assemblies 130 of phase line, so that two movable contacts 141 on the movable contact spring 140 are respectively aligned to institute
State two stationary contacts 132 in the corresponding terminal assemblies 130 of target phase line.
In the present embodiment, the control device 200 disconnects the movable contact spring 140 and institute in the control electromagnet 150
It, will be according to the control of the rotation command of generation after stating the contact connected relation between the corresponding terminal assemblies 130 of current phase line
120 rotary electric machine 120 of rotary electric machine drives the movable contact spring 140 to go to terminal assemblies 130 corresponding with the target phase line
At position, two movable contacts 141 on the movable contact spring 140 is made to be respectively aligned to the corresponding terminal assemblies 130 of the target phase line
In two stationary contacts 132.
Step 550, the control device 200 controls the electromagnet according to the waveshape output signal of the target phase line
150 pairs of movable contact springs 140 discharge so that two on the movable contact spring 140 movable contact 141 respectively with the target phase
Two stationary contacts 132 in the corresponding terminal assemblies 130 of line contact connection.
Fig. 8 is please referred to, is the flow diagram for the sub-step that step S550 includes shown in Fig. 6.In the present embodiment,
The step S550 includes sub-step S551 and sub-step S552.
Sub-step S551 carries out zero point detection to the waveshape output signal of the target phase line.
Sub-step S552 controls the electromagnet when detecting the waveshape output signal zero crossing of the target phase line
150 pairs of movable contact springs 140 discharge so that two on the movable contact spring 140 movable contact 141 respectively with the target phase
Two stationary contacts 132 in the corresponding terminal assemblies 130 of line contact connection.
In the present embodiment, the control device 200 is in the waveshape output signal zero crossing of the target phase line, control
The electromagnet 150 discharges the movable contact spring 140, by the movable contact spring 140 the elastic component 160 elastic recovery
The terminal assemblies 130 being aligned under effect to the movable contact spring 140 are mobile, distinguish two movable contacts 141 on the movable contact spring 140
Two stationary contacts 132 in terminal assemblies 130 corresponding with the target phase line contact connection, to realize to current power phase
The switching of line, the phenomenon that avoiding the occurrence of phase fault, and ensure that the three-phase equilibrium regulating device 100 is not in contact arc discharge
Electric discharge phenomena.
In conclusion described three is equal in three-phase equilibrium regulating device provided by the embodiments of the present application, system and method
Weighing apparatus regulating device is realized by way of motor rotates commutation to the switching of current power phase line carrying out to three phase lines, is avoided out
The phenomenon that existing phase fault.The three-phase equilibrium regulating device includes carrier, electromagnet, elastic component, rotary electric machine, movable contact spring
And three groups of terminal assemblies, wherein there are two movable contact, terminal assemblies described in every group include two installations for installation on the movable contact spring
There is the connecting terminal of stationary contact.The rotary electric machine is fixedly mounted on the carrier, and six connecting terminals are around institute
It states rotary shaft corresponding to the rotor of rotary electric machine to be fixedly mounted on the carrier with being circumferentially distributed, wherein belonging to
It is on same straight line in two connecting terminals of same group of terminal assemblies, adjacent three in six connecting terminals
The connecting terminal is connected with each other and external zero curve, and connecting terminal described in the other three distinguishes external A phase line, B phase line and C phase
Line.The rotor of the rotary electric machine is connect with the movable contact spring, for driving the movable contact spring to go to each terminal assemblies pair
At the position answered, two on the movable contact spring movable contacts is made to be respectively aligned to two connecting terminals in corresponding terminal component
On stationary contact.The elastic component is arranged on the movable contact spring, the electromagnet be fixedly mounted on the carrier and with
The movable contact spring electromagnetism connection, for the movable contact spring to be adsorbed or discharged, and cooperates the elastic component to make the dynamic touching
Two movable contacts of on piece are separated from each other or contact with two stationary contacts in corresponding terminal component, thus by rotating electric machine,
Cooperation between elastic component and electromagnet carries out motor to three phase lines and rotates commutation, is cut with realizing to current power phase line
The phenomenon that changing, avoiding the occurrence of phase fault.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of three-phase equilibrium regulating device, which is characterized in that described device includes carrier, electromagnet, elastic component, rotation electricity
Machine, movable contact spring and three groups of terminal assemblies, wherein there are two movable contact, terminal assemblies described in every group include for installation on the movable contact spring
Two are equipped with the connecting terminal of stationary contact；
The rotary electric machine is fixedly mounted on the carrier, motor of six connecting terminals around the rotary electric machine
Rotary shaft corresponding to rotor is fixedly mounted on the carrier with being circumferentially distributed, wherein belonging to same group of terminal assemblies
Two connecting terminals be on same straight line, three adjacent connecting terminals are mutual in six connecting terminals
It connects and external zero curve, connecting terminal described in the other three distinguishes a phase line in external A phase line, B phase line and C phase line；
The rotor of the rotary electric machine is connect with the movable contact spring, for driving the movable contact spring to go to each terminal assemblies pair
At the position answered, two on the movable contact spring movable contacts is made to be respectively aligned to two connecting terminals in corresponding terminal component
On stationary contact；
The elastic component is arranged on the movable contact spring, the electromagnet be fixedly mounted on the carrier and with the dynamic touching
Piece electromagnetism connection, for the movable contact spring to be adsorbed or discharged, to cooperate the elastic component to make two on the movable contact spring
A movable contact is separated from each other or contacts with two stationary contacts in corresponding terminal component.
2. the apparatus according to claim 1, which is characterized in that
Central angle degree in six connecting terminals between two adjacent connecting terminals is 60 °.
3. device according to claim 1 or 2, which is characterized in that
Stationary contact on each connecting terminal is mounted on the connecting terminal and does not contact on the side of the carrier, described dynamic
Two movable contacts on contact are mounted on the movable contact spring towards on the side of the carrier.
4. device according to claim 3, which is characterized in that
The movable contact spring is socketed on the rotor, two using rotary shaft corresponding to the rotor as center axis
A movable contact is distributed on the movable contact spring with being centrosymmetric about the rotary shaft of the rotor.
5. device according to claim 4, which is characterized in that
The elastic component is arranged between the electromagnet and the movable contact spring, and one end of the elastic component and the movable contact spring are solid
Fixed connection, the other end of the elastic component are fixedly connected with the electromagnet.
6. device according to claim 4, which is characterized in that
The elastic component is arranged between the movable contact spring and the carrier, and one end of the elastic component and the movable contact spring are solid
Fixed connection, the other end of the elastic component are fixedly connected with the carrier.
7. a kind of three-phase equilibrium regulating system, which is characterized in that the system comprises control device, acquisition device, communication devices
And three-phase equilibrium regulating device described in any one of claim 1-6；
The control device and the acquisition device are electrically connected, for controlling the acquisition device to A phase line, B phase line and C phase
The waveshape output signal of each phase line of line is acquired in real time；
The control device and the communication device are electrically connected, for by the real-time collected each phase line of the acquisition device
Waveshape output signal is sent to main control terminal by the communication device, and is received by the communication device and come from the master control
The phase modulation of terminal instructs；
Electromagnet and rotary electric machine in the control device and the three-phase equilibrium regulating device are electrically connected, for according to institute
It states phase modulation instruction to control the working condition of the electromagnet and the rotary electric machine, the three-phase equilibrium is adjusted and is filled
The phase line that movable contact spring in setting currently contacts connection is switched to target phase line corresponding with phase modulation instruction.
8. a kind of three-phase equilibrium adjusting method, which is characterized in that it is applied to three-phase equilibrium regulating system as claimed in claim 7,
The described method includes:
Acquisition device acquires the waveshape output signal of A phase line, B phase line and each phase line of C phase line in real time；
Control device receives the phase modulation from main control terminal by communication device and instructs, and parses to phase modulation instruction,
Obtain the corresponding target phase line of phase modulation instruction；
The control device controls electromagnet to described according to the waveshape output signal of the current phase line of the contacted connection of movable contact spring
Movable contact spring is adsorbed, so that movable contact spring terminal assemblies corresponding with the current phase line disconnect contact connected relation；
The control device control rotary electric machine drives the movable contact spring to go to terminal assemblies corresponding with the target phase line
At position, so that two movable contacts on the movable contact spring are respectively aligned to two in the corresponding terminal assemblies of the target phase line
Stationary contact；
The control device controls the electromagnet according to the waveshape output signal of the target phase line and carries out to the movable contact spring
Release, so that two movable contacts on the movable contact spring two stationary contacts in terminal assemblies corresponding with the target phase line respectively
Point contact connection.
9. according to the method described in claim 8, it is characterized in that, the control device working as according to the contacted connection of movable contact spring
Waveshape output signal control electromagnet the step of adsorbing to the movable contact spring of preceding phase line includes:
Zero point detection is carried out to the waveshape output signal of the current phase line；
When detecting the waveshape output signal zero crossing of the current phase line, controls the electromagnet and the movable contact spring is carried out
Absorption, so that two movable contacts on the movable contact spring two stationary contacts in terminal assemblies corresponding with the current phase line respectively
Point separation.
10. method according to claim 8 or claim 9, which is characterized in that the control device is according to the wave of the target phase line
Shape output signal controls the step of electromagnet discharges the movable contact spring and includes:
Zero point detection is carried out to the waveshape output signal of the target phase line；
When detecting the waveshape output signal zero crossing of the target phase line, controls the electromagnet and the movable contact spring is carried out
Release, so that two movable contacts on the movable contact spring two stationary contacts in terminal assemblies corresponding with the target phase line respectively
Point contact connection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811095968.1A CN109217340B (en) | 2018-09-19 | 2018-09-19 | Three-phase balance adjusting device, system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811095968.1A CN109217340B (en) | 2018-09-19 | 2018-09-19 | Three-phase balance adjusting device, system and method |
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| Publication Number | Publication Date |
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| CN109217340A true CN109217340A (en) | 2019-01-15 |
| CN109217340B CN109217340B (en) | 2022-02-15 |
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Cited By (1)
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| CN115800326A (en) * | 2022-11-17 | 2023-03-14 | 北京城建设计发展集团股份有限公司 | Distributed three-phase power supply self-balancing system and method |
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| CN109217340B (en) | 2022-02-15 |
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Address after: 3rd Floor, Building 6, Guangqian Industrial Zone, Longzhu 3rd Road, Longzhu 3rd Road, Longguang Community, Taoyuan Street, Nanshan District, Shenzhen, Guangdong Province, 518000 Patentee after: SHENZHEN FRIENDCOM TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 518000 6th floor, building 17, Guangqian Industrial Zone, Taoyuan Street, Nanshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN FRIENDCOM TECHNOLOGY DEVELOPMENT Co.,Ltd. |