CN206921665U - Transformer capacity and pressure regulating switch - Google Patents

Abstract

The utility model provides a kind of transformer capacity and pressure regulating switch, is related to transformer technology field, including switch-box body, the first capacitance switch group, the second capacitance switch group, tap changer group and vacuum transition switches set.The first capacitance switch group is arranged at one end of the switch-box body；The second capacitance switch group is arranged at opening position of the switch-box body close to the first capacitance switch group；The tap changer group is arranged at close to the opening position of the second capacitance switch group in the switch-box body, and the second capacitance switch group is arranged between the first capacitance switch group and the tap changer group；The vacuum transition switches set is arranged in the switch-box body, and is set close to the second capacitance switch group and tap changer group.When power consumption is reduced, transformer capacity can be made to be changed into original 1/4, greatly reducing the open circuit loss of transformer.

Description

Transformer capacity and pressure regulating switch

Technical field

It the utility model is related to transformer technology field, more particularly to a kind of transformer capacity and pressure regulating switch.

Background technology

The own loss of transformer is made up of open circuit loss and load loss, and the open circuit loss of transformer is in transformer terminal electricity Press it is constant in the case of exist in real time, and size is constant；Load loss changes as load changes.In some cases, become Depressor load loss is extremely low, but transformer open circuit loss it is constant in addition due to power consumption low-voltage rise and increase.Capacity transfer The appearance of transformer solves above mentioned problem well, when power consumption is few, transformer is converted into low capacity operation, subtracted significantly The open circuit loss of small transformers.

Capacitance switch is most in the market uses 1/3rd capacity transfer modes, and 1/3rd capacity transfer schemes are to pass through high pressure Side enter planet-shaped, triangle conversion, low-pressure side carry out series and parallel conversion mode come realize adjustment capacity purpose.But use If electric loading is smaller, it is necessary to during using more low capacity, the switch that 1/3rd capacity transfers become can not meet to require.

Utility model content

In view of this, the purpose of this utility model is to provide a kind of transformer capacity and pressure regulating switch, to improve above-mentioned ask Topic.

In a first aspect, the utility model preferred embodiment provides a kind of transformer capacity and pressure regulating switch, applied to transformer, Including switch-box body, the first capacitance switch group, the second capacitance switch group, tap changer group and transition switches set.Described One capacitance switch group acts on the low-voltage coil of the transformer, and the second capacitance switch group, tap changer group act on respectively In the high-tension coil of the transformer, the transition switches set is respectively acting on the high-tension coil and low-voltage line of the transformer Circle.The first capacitance switch group is arranged at one end of the switch-box body；The second capacitance switch group is arranged at described Opening position of the switch-box body close to the first capacitance switch group；The tap changer group is arranged in the switch-box body Close to the second capacitance switch group opening position, and the second capacitance switch group be arranged at the first capacitance switch group with Between the tap changer group；The transition switches set is arranged in the switch-box body, and is opened close to second capacity transfer Pass group and tap changer group are set.The tap changer group includes the first tap changer group, the second tap changer group, the 3rd tune The group that compresses switch and the 4th tap changer group, the first tap changer group, the 3rd tap changer group, the second tap changer group with And the 4th tap changer group be arranged in the switch-box body, and by the switch-box body away from second capacitance switch One end of group to the direction close to the second capacitance switch group is set gradually.

In the utility model preferred embodiment, above-mentioned transformer capacity and pressure regulating switch includes installing plate, the first permanent magnetic motor Structure, the second permanent magnet mechanism, the 3rd permanent magnet mechanism, the first power transmission shaft, second driving shaft and the 3rd power transmission shaft, first permanent magnetism Mechanism and the first transmission axis connection, for driving first power transmission shaft to be rotated relative to the installing plate；Second permanent magnetism Mechanism is connected with second driving shaft, for driving the second driving shaft to be rotated relative to the installing plate；3rd permanent magnetism Mechanism and the 3rd transmission axis connection, for driving the 3rd power transmission shaft to be rotated relative to the installing plate.First permanent magnetism Mechanism and first power transmission shaft act on the first capacitance switch group and the second capacitance switch group, make described first to adjust Hold switches set to link with the second capacitance switch group, second permanent magnet mechanism and second driving shaft act on described first Tap changer group and the 3rd tap changer group, the first tap changer group is set to be linked with the 3rd tap changer group；Institute State the 3rd permanent magnet mechanism and act on the second tap changer group and the 4th tap changer group, make the second tap changer group And the 4th tap changer group linkage.The first capacitance switch group, the second capacitance switch group, the first tap changer group, second Tap changer group, the 3rd tap changer group and the 4th tap changer group include contact assembly.Contact assembly described in every group is equal Including moving contact component and static contact component, the moving contact component includes moving contact insulator and moving contact, described quiet Contact assembly includes static contact and insulation and static contact.

In preferred embodiment of the present utility model, the contact assembly of above-mentioned first capacitance switch group includes first and touched Head group, the second sets of contacts and the 3rd sets of contacts, first sets of contacts, the second sets of contacts and the 3rd sets of contacts are along institute The transverse direction for stating switch-box body is set in turn in the switch-box body, and first sets of contacts, the second sets of contacts and 3rd sets of contacts acts on the low voltage three-phase circuit of the transformer；The transformer capacity and pressure regulating switch also includes first and passed Dynamic plate, first driver plate are used to move under the drive of first permanent magnet mechanism and the first power transmission shaft.Described first Sets of contacts, the second sets of contacts and the 3rd sets of contacts include four groups of static contact components and two groups of moving contact components, institute State four groups of static contact components and prolong the transverse direction of the switch-box body and be set in turn on the installing plate, two groups of moving contact groups Part is respectively arranged on first driver plate, and two groups of moving contact components are respectively used to bridge four groups of static contact components In two adjacent groups static contact component.

In preferred embodiment of the present utility model, the contact assembly of above-mentioned second capacitance switch group is straight including first Dynamic capacity transfer group, the second direct acting capacity transfer group and the 3rd direct acting capacity transfer group, the first direct acting capacity transfer group, the second direct acting capacity transfer group with And the 3rd transverse direction of the direct acting capacity transfer group along the switch-box body be set in turn in the switch-box body, and close to described the One capacitance switch group is set, and the first direct acting capacity transfer group, the second direct acting capacity transfer group and the 3rd direct acting capacity transfer group act on The high pressure three-phase line of the transformer；The transformer capacity and pressure regulating switch also includes the second driver plate, second transmission Plate is used to move under the drive of first permanent magnet mechanism and the first power transmission shaft.It is the first direct acting capacity transfer group, second straight The first moving contact component that dynamic capacity transfer group and the 3rd direct acting capacity transfer group include laterally setting gradually along the switch-box body, First static contact component, the second static contact component, the second moving contact component and the 3rd static contact component, first moving contact Component and the second moving contact component may be contained within second driver plate, first static contact component, the second static contact Component and the 3rd static contact component may be contained within the installing plate.The moving contact of first moving contact component is single Side two-way contact moving contact, first static contact component, the second static contact component and the 3rd static contact component Static contact is unilateral double-contact static contact, and the moving contact of second moving contact component leads to contact moving contact for bilateral bi-directional.

In preferred embodiment of the present utility model, above-mentioned first tap changer group, the second tap changer group, the 3rd pressure regulation Switches set and the 4th tap changer group include the first direct acting pressure regulation group, the second direct acting pressure regulation group and the 3rd direct acting pressure regulation Group, the first direct acting pressure regulation group, the transverse direction of the second direct acting pressure regulation group and the 3rd direct acting pressure regulation group along the switch-box body It is set in turn in the switch-box body, and is set close to the second capacitance switch group, the first direct acting pressure regulation group, the Two direct acting pressure regulation groups and the 3rd direct acting pressure regulation group act on the high pressure three-phase line of the transformer.The transformer capacity transfer Tap changer also includes the 3rd driver plate, the 4th driver plate, the 3rd driver plate be used in second permanent magnet mechanism and Moved under the drive of second driving shaft, the 4th driver plate is used for the band in the 3rd permanent magnet mechanism and the 3rd power transmission shaft Dynamic lower motion.The first direct acting pressure regulation group, the second direct acting pressure regulation group and the 3rd direct acting pressure regulation group are included along the switch The 4th static contact component, the 3rd moving contact component and the 5th static contact component that case body is laterally set gradually, the described 4th Static contact component and the 5th static contact component may be contained within the installing plate.The 3rd of the first tap changer group is dynamic to be touched 3rd moving contact component of head assembly and the 3rd tap changer group, it is arranged on the 3rd driver plate；Described second adjusts Compress switch the 3rd moving contact component of group and the 4th moving contact component of the 4th tap changer group, is arranged at the described 4th and passes On dynamic plate.The static contact of 4th static contact component and the 5th static contact component is unilateral double-contact static contact, described 3rd moving contact component is bilateral double-contact moving contact.

In preferred embodiment of the present utility model, above-mentioned transition switches set includes vacuum switch component, and the vacuum is opened Closing component includes the first vacuum switch group, the second vacuum switch group and the 3rd vacuum switch group, the first vacuum switch group The low-voltage coil of the transition transformer is acted on, the second vacuum switch group acts on the high-voltage line of the transition transformer Circle, the 3rd vacuum switch group act on the transformer high-voltage coil.The first vacuum switch group, the second vacuum switch Group and the 3rd vacuum switch group include three vacuum bubbles.

In preferred embodiment of the present utility model, above-mentioned transition switches set includes：Capacity transfer transition switches set and pressure regulation Transition switches set, the longitudinal direction of the capacity transfer transition switches set and pressure regulation transition switches set along the switch-box body are set gradually Set in the switch-box body, and close to the second capacitance switch group and tap changer group.The capacity transfer transition is opened Pass group includes the first capacity transfer transition switches set and the second capacity transfer transition switches set.The pressure regulation transition switches set includes first and adjusted Press through and cross switches set and the second pressure regulation transition switches set.

Second aspect, the utility model preferred embodiment provide a kind of transformer capacity and pressure regulating switch, applied to transformer, Including tap changer group, transition switches set and above-mentioned switch-box body, the first capacitance switch group, the second capacitance switch group with And transition switches set.Tap changer group is arranged in the switch-box body close to the opening position of the second capacitance switch group, And the second capacitance switch group is arranged between the first capacitance switch group and the tap changer group, the transition switch Group is arranged in the switch-box body, and is set close to the second capacitance switch group and tap changer group.The pressure regulation Switches set includes the 5th tap changer group and the 6th tap changer group, the 5th tap changer group and the 6th tap changer Group is arranged in the switch-box body, and by the one end of the switch-box body away from the second capacitance switch group to close The direction of the second capacitance switch group is set gradually.

In the utility model preferred embodiment, above-mentioned transition switches set includes vacuum switch component, the vacuum switch Component includes the 4th vacuum switch group, the 5th vacuum switch group and the 6th vacuum switch group, and the 4th vacuum switch group is made For the low-voltage coil of the transition transformer, the 5th vacuum switch group acts on the high-voltage line of the transition transformer Circle, the 6th vacuum switch group act on the transformer high-voltage coil, the 4th vacuum switch group, the 5th vacuum switch Group and the 6th vacuum switch group include three vacuum bubbles.

In the utility model preferred embodiment, above-mentioned transition switches set includes the 3rd capacity transfer transition switches set, the 4th tune Hold transition switches set and the 3rd pressure regulation transition switches set.

The beneficial effect of the utility model embodiment is：

The transformer capacity and pressure regulating switch that the utility model embodiment provides, it is provided with the first capacitance switch group, the second tune Hold switches set, tap changer group and transition switches set, the first capacitance switch group, the second capacitance switch group by division to become The two groups of high-tension coils and two groups of low-voltage coils that depressor is not connected in parallel in high capacity time-division are changed into being connected in series so that therefore Transformer capacity is changed into original 1/4, when power consumption is reduced, greatly reducing the open circuit loss of transformer, tap changer Group realizes the adjustment to transformer output voltage by division transformer in size and capacity, so as to improve power supply quality.

Brief description of the drawings

, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also To obtain other related accompanying drawings according to these accompanying drawings.

Fig. 1 is the structural representation for the transformer capacity and pressure regulating switch that the utility model first embodiment provides；

Fig. 2 is the structural representation for the contact assembly that the utility model first embodiment provides；

Fig. 3 is the structural representation of the contact assembly for the first capacitance switch group that the utility model first embodiment provides；

Fig. 4 is the structural representation of the contact assembly for the tap changer group that the utility model first embodiment provides；

Fig. 5 is a kind of structural representation for the transition switches set that the utility model first embodiment provides.

Fig. 6 is another structural representation for the transition switches set that the utility model first embodiment provides.

Fig. 7 is the structural representation for the transformer capacity and pressure regulating switch that the utility model second embodiment provides；

Fig. 8 is the structural representation for the transition switches set that the utility model second embodiment provides.

Icon：100- transformer capacity and pressure regulating switch；110- the first capacitance switch groups；114- moving contact components；115- is quiet Contact assembly；120- the second capacitance switch groups；The moving contact components of 124- first；The static contact components of 125- first；126- second is quiet Contact assembly；The moving contact components of 127- second；The static contact components of 128- the 3rd；130- the first tap changer groups；134- the 4th is quiet Contact assembly；The moving contact components of 135- the 3rd；The static contact components of 136- the 5th；140- the second tap changer groups；150- the 3rd is adjusted Compress switch group；The tap changer groups of 160- the 4th；170- the first vacuum switch groups；180- the second vacuum switch groups；190- the 3rd is true Empty switches set；210- the first pressure regulation transition switches sets；220- the second pressure regulation transition switches sets；The transition of the first capacity transfers of 230- switchs Group；240- the second capacity transfer transition switches sets；300- transformer capacity and pressure regulating switch；The tap changer groups of 310- the 5th；320- the 6th Tap changer group；The capacity transfer transition switches sets of 330- the 3rd；The capacity transfer transition switches sets of 340- the 4th；The pressure regulation transition of 350- the 3rd switchs Group.

Embodiment

It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Generally here described in accompanying drawing and The component of the utility model embodiment shown can be configured to arrange and design with a variety of.

Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit requirement below The scope of the utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all Belong to the scope of the utility model protection.

It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.

Term " first ", " second " etc. are only used for distinguishing description, and it is not intended that instruction or hint relative importance.

In description of the present utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are made For ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or one Ground connects；Can mechanically connect or act on；Can be joined directly together, the indirect phase of intermediary can also be passed through Even, can be the connection of two element internals.For the ordinary skill in the art, can be understood with concrete condition above-mentioned Concrete meaning of the term in the utility model.

Other feature and advantage of the present utility model will illustrate in subsequent specification, also, partly from specification Become apparent, or understood by implementing the utility model embodiment.The purpose of this utility model and other advantages can Realize and obtain by specifically noted structure in the specification, claims and accompanying drawing write.

The own loss of transformer is made up of open circuit loss and load loss, and the open circuit loss of transformer is in transformer terminal electricity Press it is constant in the case of exist in real time, and size is constant；Load loss changes as load changes.In some cases, example Such as, in the case that evening shop equipment or home-use electricity are few；The residential quarters just come into operation or the use of the factory newly opened When electricity is also very low and in the case of occasion that seasonal electricity consumption difference is big, it is extremely low transformer load loss to be present, but becomes The open circuit loss of depressor is constant or even because power consumption is low, and voltage rises and increased, and now " low load with strong power phenomenon " occurs. If reducing transformer noload losses using certain measure, the energy will be greatlyd save.Therefore the appearance of capacitance-adjustable transformer is well Solve above mentioned problem, when power consumption is few, transformer is converted into low capacity operation, reduces the open circuit loss of transformer.

Capacitance switch is most in the market uses 1/3rd capacity transfer modes, when adjusting transformer to low capacity, becomes The capacity of depressor is 1/3rd under normal circumstances./ 3rd capacity transfer schemes are to enter planet-shaped, triangle by high-pressure side Conversion, low-pressure side carry out series and parallel conversion mode come realize adjustment capacity purpose.If but it is smaller with electric loading, it is necessary to During using more low capacity, the switch that 1/3rd capacity transfers become can not meet to require.

Inventor, with constantly exploring, proposes the transformer capacity transfer that the utility model embodiment provides by long-term research Tap changer.

First embodiment

Fig. 1 is referred to, the structural representation of the transformer capacity and pressure regulating switch 100 provided for the utility model preferred embodiment Figure, including switch-box body, the first capacitance switch group 110, the second capacitance switch group 120, tap changer group and transition switch Group.

The first capacitance switch group 110 is arranged in the switch-box body, and be arranged at the switch-box body with One end of the low-voltage coil connection of the transformer；It is close that the second capacitance switch group 120 is arranged at the switch-box body The opening position of the first capacitance switch group 110, and the high-tension coil for being arranged at the switch-box body and the transformer connects The opening position connect；The tap changer group is arranged in the switch-box body close to the position of the second capacitance switch group 120 Place is put, and the second capacitance switch group 120 is arranged between the first capacitance switch group 110 and the tap changer group； The transition switches set is arranged in the switch-box body, and close to the second capacitance switch group 120 and tap changer Group is set.

Transformer includes two groups of low-voltage coils and two groups of high-tension coils, and the first capacitance switch group 110 acts on institute The low-voltage coil of transformer is stated, the second capacitance switch group 120, tap changer group and the transition switches set act on the change The high-tension coil of depressor.

The transformer capacity and pressure regulating switch 100 includes transmission shaft component, installing plate, permanent magnet mechanism and driver plate group Part.It is described transmission board component be connected with the transmission shaft component, the transmission shaft component is connected with the permanent magnet mechanism, it is described forever Magnetic mechanism is used to drive the transmission shaft component to move, so that the transmission shaft component drives the driver plate component movement.

As a kind of embodiment, it is described transmission board component by positioning sleeve and bolt it is spacing on a mounting board or The perforate set by one end of the close installing plate of stationary contact insulator is spacing on a mounting board, and transmission board component is with setting Transmission shaft component connection in the one end of installing plate away from the transmission board component, transmission shaft component, which relies on, to be arranged under installing plate The permanent magnet mechanism solenoid actuated of side.

The permanent magnet mechanism includes：First permanent magnet mechanism, the second permanent magnet mechanism and the 3rd permanent magnet mechanism, described first forever Magnetic mechanism.The transmission shaft component includes the first power transmission shaft, second driving shaft and the 3rd power transmission shaft.The transmission board component bag Include the first driver plate, the second driver plate and the 3rd driver plate and the 4th driver plate.

First driver plate is used to drive the moving contact component 114 of the first capacitance switch group 110 to move, and described the Two driver plates are used to drive the moving contact component 114 of the second capacitance switch group 120 to move.First driver plate and Two driver plates are connected with the described first transmission axis connection, first power transmission shaft with first permanent magnet mechanism respectively.

3rd driver plate is used for the moving contact component 114 and described second for driving the first tap changer group 130 The moving contact component 114 of tap changer group 140 moves, and the 4th driver plate is used to drive the 3rd tap changer group 150 Moving contact component 114 and the moving contact component 114 of the 4th tap changer group 160 move.3rd driver plate and institute Second driving shaft connection is stated, the second driving shaft is connected with second permanent magnet mechanism.4th driver plate and described the Three transmission axis connections, the 3rd power transmission shaft are connected with the 3rd permanent magnet mechanism.

The first capacitance switch group 110, the second capacitance switch group 120, the equal contact of contact assembly described in tap changer group Component, the contact assembly include moving contact component 114 and static contact component 115, and the moving contact component 114 includes dynamic touch Head insulator and moving contact, the static contact component 115 include static contact and insulation and static contact.

Fig. 2 is referred to, static contact and insulation, which is arranged at, is fitted without the transmission board component on the installing plate Opening position, the static contact are arranged on static contact and insulation.The moving contact insulator is arranged at the power transmission shaft group On part, the moving contact is arranged on the moving contact insulator.

The moving contact component 114 being arranged on the transmission board component can be under the drive of permanent magnet mechanism, relative to institute State static contact component 115 to move, to realize the on-off of moving contact and static contact, to change the low-voltage line of the transformer The series-parallel system of circle and high-tension coil.

The first capacitance switch group 110, the second capacitance switch group 120 will be described in detail below：

First capacitance switch group 110, the second capacitance switch are respectively used to change low pressure by driving by the first permanent magnet mechanism Series-parallel connection of coil and high-tension coil.Specifically, low-voltage coil and high-tension coil are not required under normal circumstances When wanting the transformer of low capacity, two groups of coils from parallel connection of coils of low-voltage coil, two groups of coils from parallel connection of coils of high-tension coil are, it is necessary to be changed into little Rong During amount, the first capacitance switch group 110 and the second capacitance switch group 120 cause two groups of low-voltage coil series connection, two groups of high-tension coils Series connection.

The first capacitance switch group 110 acts on two groups of low-voltage coils of the transformer, for changing the transformation Series-parallel connected mode of two groups of low-voltage coils of device.

The contact assembly of the first capacitance switch group 110 includes the first sets of contacts, the second sets of contacts and the 3rd Sets of contacts, the transverse direction of first sets of contacts, the second sets of contacts and the 3rd sets of contacts along the switch-box body is successively It is arranged in the switch-box body, and first sets of contacts, the second sets of contacts and the 3rd sets of contacts are respectively acting on institute State the low voltage three-phase circuit of transformer.

Fig. 3 is referred to, first sets of contacts, the second sets of contacts and the 3rd sets of contacts include four groups of static contacts Component 115 and two groups of moving contact components 114, four groups of static contact components 115 prolong the transverse direction of the switch-box body successively It is arranged on first driver plate, two groups of moving contact components 114 can move under the drive of first driver plate, For bridging the two adjacent groups static contact component 115 in four groups of static contact components 115.

Two groups of low-voltage coils of the transformer are respectively connecting on four groups of static contact components 115, when needs will become When the capacity of depressor is turned down, permanent magnet mechanism drives moving contact component 114 to move so that one of moving contact component 114 and phase Any one adjacent static contact component 115 connects, and another moving contact component 114 disconnects with adjacent static contact component 115, real Existing two groups of low-voltage coils are changed into the operation of series connection from parallel connection.

The second capacitance switch group 120 acts on two groups of high-tension coils of the transformer, for changing the transformation Series-parallel connected mode of two groups of high-tension coils of device.

Specifically, the contact assembly of the second capacitance switch group 120 includes the first direct acting capacity transfer group, the second direct acting Capacity transfer group and the 3rd direct acting capacity transfer group.The first direct acting capacity transfer group, the second direct acting capacity transfer group and the 3rd direct acting capacity transfer group It is set in turn in along the transverse direction of the switch-box body in the switch-box body, and close to the first capacitance switch group 110 Set, the first direct acting capacity transfer group, the second direct acting capacity transfer group and the 3rd direct acting capacity transfer group are respectively acting on the transformer High pressure three-phase line.

Wrapped continuing with referring to Fig. 3, the first direct acting capacity transfer group, the second direct acting capacity transfer group and the 3rd direct acting capacity transfer group Include the first moving contact component 124 laterally set gradually along the switch-box body, the first static contact component 125, the second stationary contact Head assembly 126, the second moving contact component 127 and the 3rd static contact component 128, first moving contact component 124 and Two moving contact components 127 may be contained within second driver plate, first static contact component 125, the second static contact component 126 and the 3rd static contact component 128 may be contained within being fitted without the position of the transmission board component on the installing plate Place.

The moving contact of first moving contact component 124 is unilateral two-way contact moving contact, the first static contact group The static contact of part 125, the second static contact component 126 and the 3rd static contact component 128 is unilateral double-contact static contact, The moving contact of second moving contact component 127 is that bilateral bi-directional leads to contact moving contact.

First moving contact group is connected with disconnecting by sliding with the realization of the first static contact component 125, the second moving contact component 127 are arranged at the second static contact component 126 and the 3rd static contact component 128, by sliding, realize and the second static contact component 126 or the 3rd static contact component 128 disconnection and closure, the first moving contact and the second moving contact are linkages, all the time to one Slide in individual direction.

When the first moving contact slides towards close to the direction of the first static contact, and is finally connected with the first static contact, the Two moving contacts are slided towards the direction of the 3rd static contact, are connected with the 3rd static contact, and two groups of high-tension coils of transformer are in simultaneously Connection state；When the first moving contact slides away from the direction of the first static contact, and is finally disconnected with the first static contact, second Moving contact slides towards the direction of the second static contact, is connected with the second static contact, and two groups of high-tension coils of transformer are in series connection State, transformer are changed into small capacity transformer.

Tap changer group acts on two groups of high-tension coils of transformer, for being taken out to the high-tension coil winding of transformer Head selection, so as to realize the adjustment to the voltage of transformer.

The tap changer group includes the first tap changer group 130, the second tap changer group 140, the 3rd tap changer group 150 and the 4th tap changer group 160.The first tap changer group 130, the 3rd tap changer group 150, the second tap changer The tap changer group 160 of group 140 and the 4th is arranged in the switch-box body, and by the switch-box body away from described the One end of two capacitance switch groups 120 to the direction close to the second capacitance switch group 120 is set gradually.Second permanent magnetic motor Structure is connected with the first tap changer group 130 and the 3rd tap changer group 150, drives the first tap changer group 130 and the Three tap changer groups 150 are synchronized with the movement.3rd permanent magnet mechanism and the second tap changer group 140 and the 4th pressure regulation Switches set 160 connects, and the second tap changer group 140 of driving is synchronized with the movement with the 4th tap changer group 160.

The first tap changer group 130, the second tap changer group 140, the 3rd tap changer group 150 and the 4th pressure regulation Switches set 160 includes the first direct acting pressure regulation group, the second direct acting pressure regulation group and the 3rd direct acting pressure regulation group, and first direct acting is adjusted The transverse direction of pressure group, the second direct acting pressure regulation group and the 3rd direct acting pressure regulation group along the switch-box body is set in turn in the switch In case body, and set close to the second capacitance switch group 120, the first direct acting pressure regulation group, the second direct acting pressure regulation group with And the 3rd direct acting pressure regulation group be respectively acting on the high pressure three-phase line of the transformer.

Fig. 4 is referred to, the first direct acting pressure regulation group, the second direct acting pressure regulation group and the 3rd direct acting pressure regulation group include edge The 4th static contact component 134, the 3rd moving contact component 135 and the 5th static contact that the switch-box body is laterally set gradually Component 136.4th static contact component 134 and the 5th static contact component 136 may be contained within not pacifying on the installing plate The opening position of the transmission shaft component is filled, the 3rd moving contact component 135 of the first tap changer group 130 and the described 3rd adjust 3rd moving contact component 135 of the group 150 that compresses switch, is arranged on the 3rd driver plate.The second tap changer group 140 4th moving contact component 114 of the 3rd moving contact component 135 and the 4th tap changer group 160, it is arranged at the described 4th and passes On dynamic plate.

The static contact of 4th static contact component 134 and the 5th static contact component 136 is unilateral double-contact stationary contact Head, the 3rd moving contact component 135 are bilateral double-contact moving contact.

Transition is switched for when capacity transfer or pressure regulation are carried out, realizing the purpose of loaded capacity regulating voltage regulating.

As a kind of embodiment, Fig. 5 is referred to, the transition switches set includes vacuum switch component, and the vacuum is opened Closing component includes the first vacuum switch group 170, the second vacuum switch group 180 and the 3rd vacuum switch group 190, and described first is true Empty switches set 170 acts on the low-voltage coil of the transition transformer, and the second vacuum switch group 180 acts on the transition The high-tension coil of transformer, the 3rd vacuum switch group 190 act on the transformer high-voltage coil.First vacuum is opened Pass group 170, the second vacuum switch group 180 and the 3rd vacuum switch group 190 include three vacuum bubbles.

As another embodiment, Fig. 6 is referred to, the transition switches set includes：Capacity transfer transition switches set and tune Press through and cross switches set, the capacity transfer transition switches set and pressure regulation transition switches set are set successively along the longitudinal direction of the switch-box body It is placed in the switch-box body, and is set close to the second capacitance switch group 120 and tap changer group.The capacity transfer mistake Crossing switches set includes the first capacity transfer transition switches set 230 and the second capacity transfer transition switches set 240.The pressure regulation transition switches set Including the first pressure regulation transition switches set 210 and the second pressure regulation transition switches set 220.

It should be noted that two kinds of embodiments of transition switches set provided above can realize transition switches set Function, and mutual alternative solution can be used as, mutually replace.Certainly, the knot of other functions that can realize transition switches set Structure is also contained within the scope of protection of the utility model, is repeated no more here.

Transformer capacity and pressure regulating switch 100 provided by the utility model, applied to transformer, due to transformer high pressure and Low-voltage coil is by two sections of line gauges are consistent, the winding of number of turn identical electromagnetic wire or paper tinsel coiling is formed, high pressure and low during Large Copacity Two sections of windings of line ball circle are in parallel respectively.When needing to be transferred to low capacity, two sections of windings are connected respectively, it is possible thereby to know transformer The rated current of the winding of low capacity is the 1/4 of Large Copacity rated current, and low capacity umber of turn is the 2 of Large Copacity umber of turn Times, the overall dimensions of winding used are identical during large and small capacity, and the size of iron core is identical, by transformer parameter calculation formula and Transformer standard can show that small capacity transformer parameter complies fully with Large Copacity after transformer is adjusted to low capacity by Large Copacity A quarter capacity when parameter request, by simultaneously change transformer high and low pressure winding connection in series-parallel connected mode come reality The purpose of existing capacity transfer, realizes a quarter capacity transfer.

Embodiment two

Fig. 7 is referred to, another knot of the transformer capacity and pressure regulating switch 300 provided for the utility model second embodiment Structure schematic diagram, including：Including the switch-box sheet described in tap changer group, transition switches set and the utility model first embodiment Body, the first capacitance switch group 110, the second capacitance switch group 120.

Tap changer group is arranged at close to the opening position of the second capacitance switch group 120 in the switch-box body, and The second capacitance switch group 120 is arranged between the first capacitance switch group 110 and the tap changer group, the transition Switches set is arranged in the switch-box body, and is set close to the second capacitance switch group 120 and tap changer group.

The tap changer group includes the 5th tap changer group 310 and the 6th tap changer group 320, the 5th pressure regulation The tap changer group 320 of switches set 310 and the 6th is arranged in the switch-box body, and by the switch-box body away from institute One end to the direction close to the second capacitance switch group 120 for stating the second capacitance switch group 120 is set gradually.

Two groups of high-voltage lines of the transformer that the transformer capacity and pressure regulating switch 100 that the utility model embodiment provides is applied Circle, there is two taps respectively, has a tap in two taps as common tap, is connected with each other.As first embodiment Reduction procedure, the tap changer group in the present embodiment include two groups of tap changer groups, i.e., described tap changer group includes the 5th and adjusted The tap changer group 320 of the group that compresses switch 310 and the 6th, the 5th tap changer group 310 and the 6th tap changer group 320 are set It is placed in the switch-box body, and by the one end of the switch-box body away from the second capacitance switch group 120 to close The direction of the second capacitance switch group 120 is set gradually.

The first tap changer group 130 that the 5th tap changer group 310 that the present embodiment provides provides with first embodiment or The structure of 3rd tap changer group 150 is identical, is driven by the second permanent magnet mechanism.The 6th tap changer group that the present embodiment provides 320 with first embodiment provide the second tap changer group 140 with or the 4th tap changer group 160 structure it is identical, by the 3rd Permanent magnet mechanism drives.It is real that the specific implementation of 5th tap changer group 310 and the 6th tap changer group 320 is referred to first Example is applied, is repeated no more here.

As a kind of embodiment, the transition switches set that the present embodiment provides includes vacuum switch component, and the vacuum is opened Closing component includes the 4th vacuum switch group, the 5th vacuum switch group and the 6th vacuum switch group, the 4th vacuum switch group The low-voltage coil of the transition transformer is acted on, the 5th vacuum switch group acts on the high-voltage line of the transition transformer Circle, the 6th vacuum switch group act on the transformer high-voltage coil, the 4th vacuum switch group, the 5th vacuum switch Group and the 6th vacuum switch group include three vacuum bubbles.As another embodiment, Fig. 8, the mistake are referred to Crossing switches set includes the 3rd capacity transfer transition switches set 330, the 4th capacity transfer transition switches set 340 and the 3rd pressure regulation transition switches set 3502。

In summary, transformer capacity and pressure regulating switch 100 and 300 provided by the utility model, can be by transformer capacity The 1/4 of former capacity is adjusted to, greatly reduces the open circuit loss of transformer.

Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.

Claims (10)

1. A kind of 1. transformer capacity and pressure regulating switch, it is characterised in that applied to transformer or transformer and transition transformer, including Switch-box body, the first capacitance switch group, the second capacitance switch group, tap changer group and transition switches set；

   The first capacitance switch group acts on the low-voltage coil of the transformer, the second capacitance switch group, tap changer Group is respectively acting on the high-tension coil of the transformer, and the transition switches set is respectively acting on the high-tension coil of the transformer And low-voltage coil；

   The first capacitance switch group is arranged at one end of the switch-box body；The second capacitance switch group is arranged at described Opening position of the switch-box body close to the first capacitance switch group；The tap changer group is arranged in the switch-box body Close to the second capacitance switch group opening position, and the second capacitance switch group be arranged at the first capacitance switch group with Between the tap changer group；The transition switches set is arranged in the switch-box body, and is opened close to second capacity transfer Pass group and tap changer group are set；

   The tap changer group includes the first tap changer group, the second tap changer group, the 3rd tap changer group and the 4th tune Compressed switch group, and the first tap changer group, the 3rd tap changer group, the second tap changer group and the 4th tap changer group are set It is placed in the switch-box body, and by the one end of the switch-box body away from the second capacitance switch group to close to described The direction of second capacitance switch group is set gradually.
2. 2. transformer capacity and pressure regulating switch according to claim 1, it is characterised in that the transformer capacity and pressure regulating switch Including installing plate, the first permanent magnet mechanism, the second permanent magnet mechanism, the 3rd permanent magnet mechanism, the first power transmission shaft, second driving shaft and Three power transmission shafts, first permanent magnet mechanism and the first transmission axis connection, for driving first power transmission shaft relative to the peace Loading board rotates；Second permanent magnet mechanism is connected with second driving shaft, for driving the second driving shaft relative to the peace Loading board rotates；3rd permanent magnet mechanism and the 3rd transmission axis connection, for driving the 3rd power transmission shaft relative to the peace Loading board rotates；

   First permanent magnet mechanism and first power transmission shaft act on the first capacitance switch group and the second capacity transfer and opened Pass group, the first capacitance switch group is set to be linked with the second capacitance switch group, second permanent magnet mechanism and the second biography Moving axis acts on the first tap changer group and the 3rd tap changer group, makes the first tap changer group and the described 3rd Tap changer group links；3rd permanent magnet mechanism acts on the second tap changer group and the 4th tap changer group, makes Second tap changer group and the 4th tap changer the group linkage；

   The first capacitance switch group, the second capacitance switch group, the first tap changer group, the second tap changer group, the 3rd pressure regulation Switches set and the 4th tap changer group include contact assembly；

   Contact assembly described in every group includes moving contact component and static contact component, and it is exhausted that the moving contact component includes moving contact Edge and moving contact, the static contact component include static contact and insulation and static contact.
3. 3. transformer capacity and pressure regulating switch according to claim 2, it is characterised in that the institute of the first capacitance switch group Stating contact assembly includes the first sets of contacts, the second sets of contacts and the 3rd sets of contacts, first sets of contacts, the second sets of contacts with And transverse direction of the 3rd sets of contacts along the switch-box body is set in turn in the switch-box body, and described first touches Head group, the second sets of contacts and the 3rd sets of contacts act on the low voltage three-phase circuit of the transformer；The transformer capacity transfer Tap changer also includes the first driver plate, and first driver plate is used in first permanent magnet mechanism and the first power transmission shaft Drive lower move；

   First sets of contacts, the second sets of contacts and the 3rd sets of contacts include four groups of static contact components and two groups are moved Contact assembly, the transverse direction that four groups of static contact components prolong the switch-box body is set in turn on the installing plate, described Two groups of moving contact components are respectively arranged on first driver plate；

   Two groups of moving contact components are respectively used to bridge the two adjacent groups static contact component in four groups of static contact components.
4. 4. transformer capacity and pressure regulating switch according to claim 3, it is characterised in that the institute of the second capacitance switch group Stating contact assembly includes the first direct acting capacity transfer group, the second direct acting capacity transfer group and the 3rd direct acting capacity transfer group, and first direct acting is adjusted The transverse direction of appearance group, the second direct acting capacity transfer group and the 3rd direct acting capacity transfer group along the switch-box body is set in turn in the switch In case body, and set close to the first capacitance switch group, the first direct acting capacity transfer group, the second direct acting capacity transfer group and the Three direct acting capacity transfer groups act on the high pressure three-phase line of the transformer；The transformer capacity and pressure regulating switch also includes second Driver plate, second driver plate are used to move under the drive of first permanent magnet mechanism and the first power transmission shaft；

   The first direct acting capacity transfer group, the second direct acting capacity transfer group and the 3rd direct acting capacity transfer group are included along the switch-box body The first moving contact component for laterally setting gradually, the first static contact component, the second static contact component, the second moving contact component and 3rd static contact component, first moving contact component and the second moving contact component may be contained within second driver plate, First static contact component, the second static contact component and the 3rd static contact component may be contained within the installing plate；

   The moving contact of first moving contact component is unilateral two-way contact moving contact, first static contact component, second The static contact of static contact component and the 3rd static contact component is unilateral double-contact static contact, the second moving contact group The moving contact of part is that bilateral bi-directional leads to contact moving contact.
5. 5. transformer capacity and pressure regulating switch according to claim 2, it is characterised in that the first tap changer group, Two tap changer groups, the 3rd tap changer group and the 4th tap changer group include the first direct acting pressure regulation group, the second direct acting is adjusted Pressure group and the 3rd direct acting pressure regulation group, the first direct acting pressure regulation group, the second direct acting pressure regulation group and the 3rd direct acting pressure regulation group edge The transverse direction of the switch-box body is set in turn in the switch-box body, and is set close to the second capacitance switch group, The first direct acting pressure regulation group, the second direct acting pressure regulation group and the 3rd direct acting pressure regulation group act on the high pressure three of the transformer Phase line；

   The transformer capacity and pressure regulating switch also includes the 3rd driver plate, the 4th driver plate, and the 3rd driver plate is used in institute State and moved under the drive of the second permanent magnet mechanism and second driving shaft, the 4th driver plate is used in the 3rd permanent magnet mechanism And the 3rd power transmission shaft drive under move；

   The first direct acting pressure regulation group, the second direct acting pressure regulation group and the 3rd direct acting pressure regulation group are included along the switch-box body The 4th static contact component, the 3rd moving contact component and the 5th static contact component laterally set gradually, the 4th static contact Component and the 5th static contact component may be contained within the installing plate；

   3rd moving contact component of the first tap changer group and the 3rd moving contact component of the 3rd tap changer group, if It is placed on the 3rd driver plate；3rd moving contact component of the second tap changer group and the 4th tap changer group 4th moving contact component, it is arranged on the 4th driver plate；

   The static contact of 4th static contact component and the 5th static contact component is unilateral double-contact static contact, and the described 3rd Moving contact component is bilateral double-contact moving contact.
6. 6. transformer capacity and pressure regulating switch according to claim 1, it is characterised in that the transition switches set includes vacuum Switch module, the vacuum switch component include the first vacuum switch group, the second vacuum switch group and the 3rd vacuum switch group, The first vacuum switch group acts on the low-voltage coil of the transition transformer, and the second vacuum switch group acts on described The high-tension coil of transition transformer, the 3rd vacuum switch group act on the transformer high-voltage coil, first vacuum Switches set, the second vacuum switch group and the 3rd vacuum switch group include three vacuum bubbles.
7. 7. transformer capacity and pressure regulating switch according to claim 1, it is characterised in that the transition switches set includes：Adjust Hold transition switches set and pressure regulation transition switches set, the capacity transfer transition switches set and pressure regulation transition switches set are along the switch The longitudinal direction of case body is set in turn in the switch-box body, and close to the second capacitance switch group and tap changer group Set；

   The capacity transfer transition switches set includes the first capacity transfer transition switches set and the second capacity transfer transition switches set；

   The pressure regulation transition switches set includes the first pressure regulation transition switches set and the second pressure regulation transition switches set.
8. 8. a kind of transformer capacity and pressure regulating switch, it is characterised in that applied to transformer, including tap changer group, transition switch Switch-box body, the first capacitance switch group described in group and claim any one of 1-5, the second capacitance switch group；

   Tap changer group is arranged at the opening position of the close second capacitance switch group in the switch-box body, and described second Capacitance switch group is arranged between the first capacitance switch group and the tap changer group, and the transition switches set is arranged at institute State in switch-box body, and set close to the second capacitance switch group and tap changer group；

   The tap changer group includes the 5th tap changer group and the 6th tap changer group, the 5th tap changer group and 6th tap changer group is arranged in the switch-box body, and by the switch-box body away from the second capacitance switch group One end set gradually to close to the direction of the second capacitance switch group.
9. 9. transformer capacity and pressure regulating switch according to claim 8, it is characterised in that the transition switches set includes vacuum Switch module, the vacuum switch component include the 4th vacuum switch group, the 5th vacuum switch group and the 6th vacuum switch group, The 4th vacuum switch group acts on the low-voltage coil of the transition transformer, and the 5th vacuum switch group acts on described The high-tension coil of transition transformer, the 6th vacuum switch group act on the transformer high-voltage coil, the 4th vacuum Switches set, the 5th vacuum switch group and the 6th vacuum switch group include three vacuum bubbles.
10. 10. transformer capacity and pressure regulating switch according to claim 8, it is characterised in that the transition switches set includes the Three capacity transfer transition switches sets, the 4th capacity transfer transition switches set and the 3rd pressure regulation transition switches set.