CN101452759A - Multi-stage pressure regulating conversion tap switch - Google Patents
Multi-stage pressure regulating conversion tap switch Download PDFInfo
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- CN101452759A CN101452759A CNA2008100132522A CN200810013252A CN101452759A CN 101452759 A CN101452759 A CN 101452759A CN A2008100132522 A CNA2008100132522 A CN A2008100132522A CN 200810013252 A CN200810013252 A CN 200810013252A CN 101452759 A CN101452759 A CN 101452759A
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Abstract
The invention discloses a multi-stage voltage regulation conversion tapping switch, which aims to solve key technology that the multi-stage voltage regulation is added during the conversion of the switch with a plurality of voltage regulation modes such as Y-D conversion, positive and reverse voltage regulation conversion, and coarse and fine voltage regulation conversion. The invention adopts a unique technical proposal that a conversion mechanism 2- with intermittent movement period is adopted, and is in infinite cyclic switching connection with conversion fixed contacts of various related phases of a tap of a coil of a transformer to achieve that the operation law of the conversion mechanism follows the conversion of an alternate and periodic voltage regulation mode and the multi-stage voltage regulation is performed in a periodic conversion interval. The main use of the switch is that the multi-stage voltage regulation conversion tapping switch is applicable to various same grade transformers with different voltage regulation modes, achieves multiple use, and fills the gap that prior art series pipe-type tapping switches have no a coarse and fine voltage regulation mode.
Description
Technical field
The present invention relates to a kind of power transformer voltage regulating device that is used for, it is further improvement to existing shunting switch, reach a tractor serves several purposes, be adapted to Y-D conversion, positive and negative turn change, thickness turns the ad eundem transformer that changes multiple different voltage regulating modes, and also can carry out the special objective of identical multi-stage pressure regulating in voltage regulating mode change-over period interval.
Background technology
Patent No. ZL03262313.5 name is called no excitation pipe type switch, patent No. ZL03264293.8 name is called the no excitation pipe type switch with interior pipe extraction structure, the Chinese patents such as fixed contact array that patent No. ZL200320100539.1 name is called no excitation cast shunting switch have been innovated the unique texture of serial pipe type switch, make the three tubular structure shunting switchs that link to be installed between the transformer coil folder vacancy with its casing, it is little to take transformer inner space volume, and can satisfy the Y-D conversion of high-voltage large current transformer, positive and negative turning such as changes at voltage regulating mode.But, along with the development of China's electrical network is perfect, power supply quality is required also to attain a yet higher goal, particularly more and more stricter to the stability of powering, to the pressure regulation of the transformer refinement that more becomes, then must realize the multi-stage pressure regulating translation function to shunting switch, but above patent series pipe type switch is difficult to reach this level:
1. serial pipe type switch has only the Y-D conversion, can not carry out the trickleer adjustment of multilevel voltage in voltage regulating mode Y-D transfer process again.
2. serial pipe type switch is positive and negative to be turned to change and can only reach 5 taps to transformer voltage regulation coil tap objective reality is the highest, because its rule of deciding contact circumferential arrangement in the cast shunting switch is two times of its number of taps, 5 taps have needed circumferential arrangement to decide 10 positions of contact.The tubular insulator girth is longer at most again, and the pipe type switch diameter becomes multiplication thick, occupies the little superiority in transformer inner space with losing it, ought to be replaced by structure of the present invention.
3. above-mentioned patented product series pipe type switch does not have thickness to transfer structure, more can not possess in the thick level of the voltage regulating mode transfer process the multistage fine tuning to output voltage.
Summary of the invention:
The present invention will solve the deficiency that above-mentioned serial cast shunting switch prior art products exists and a kind of shunting switch of multi-stage pressure regulating conversion is provided, make it not lose that pipe type switch takies that the transformer inner space is little, operational reliability is high, the three many premium properties such as being incorporated into the position that link, and according to the conversion of the multi-stage pressure regulating that has, fill up the pipe type switch open texture, reached requirements at the higher level such as a tractor serves several purposes.
The present invention takes following technical scheme for addressing the above problem:
It comprises: the operating mechanism 1-of running shunting switch, change the switching mechanism 2-of voltage regulating mode, the 3-of intermittent motion mechanism of control cycle conversion, the whole insulator 4-that constitutes of combination shunting switch, make the switching mechanism 5-of contact chip rotation change gear, what be connected in each tap of transformer coil decides contact system 6-; It is characterized in that: decide contact 6-U by a relevant A phase transformation that cross-over connection movable contact spring 2-4 is switched of facing to switching mechanism 2-
1, 6-U
2, 6-U
3, contact 6-V is decided in relevant B phase transformation
1, 6-V
2, 6-V
3, contact 6-W is decided in relevant C phase transformation
1, 6-W
2, 6-W
3Change or thickness turns that the relevant Y-D that decide connection of contact, just can finishes transformer of the relevant tap connection of transformation depressor coil and shunting switch body changes or positive and negative turning changed or thickness is turned one of multiple any voltage regulating mode that changes with Y-D conversion or positive and negative turning; And the switching of switching mechanism 2-is that Infinite Cyclic is intermittently being rotated, and just any Y of voltage regulating mode connects and D connects conversion or voltage regulation coil is just connecing and the rule of reversal connection each inter-stage conversion of coarse adjustment in main coil conversion or thickness are transferred all is the carrying out that the periodicity that replaces is at interval stopped between repeatedly; In the 2-of 3-control transformation mechanism of intermittent motion mechanism carries out between the periodic region of voltage regulating mode conversion, switched system 5-rotation change gear, switch respectively that most of connecting with each each section of phase coil turn-to-turn tap of transformer are different to be decided contact and reach shift and put the multi-stage pressure regulating of enforcement shunting switch in place.
Contact 6-U is decided in the relevant A phase transformation of shunting switch of the present invention
1, contact 6-V is decided in relevant B phase transformation
1, contact 6-W is decided in relevant C phase transformation
1, be linked to be Y and connect, electrical conduction or add N again
0Ground connection; Contact 6-U is decided in the A phase transformation of will being correlated with again
2, contact 6-V is decided in relevant B phase transformation
2, contact 6-W is decided in relevant C phase transformation
2Decide contact 6-X with the terminal mutually output of the A of its body respectively, contact 6-Y is decided in the terminal mutually output of B, and the terminal mutually output of C is decided contact 6-Z and connected; Contact 6-U is decided in the A phase transformation of will being correlated with again
3, contact 6-V is decided in relevant B phase transformation
3, contact 6-W is decided in relevant C phase transformation
3Respectively according to the order of sequence with transformer B mutually, C phase, A mutually each phase coil head end tap connect and be D and connect or claim Δ to connect and just finish the Y-D change-over circuit; When operating mechanism 1-makes three of switching mechanism 2-to face a cross-over connection movable contact spring 2-4 difference cross-over connection in 6-U
1And 6-U
2, 6-V
1And 6-V
2, 6-W
1And 6-W
2Each decides difference electrical conduction between the contact to relevant every phase transformation, just finishes its Y and connects the voltage regulating mode conversion; And work as its difference cross-over connection in 6-U
2And 6-U
3, 6-V
2And 6-V
3, 6-W
2And 6-W
3Each decide between the contact relevant every phase transformation, and the conductivity general rule is finished D and connect voltage regulating mode conversion; Above process Infinite Cyclic repeats down, and then the rule of Y-D conversion is that Y connects and D connects between the periodicity that replaces at interval and stops carrying out repeatedly; And between the periodicity of conversion, stop in the interval, shunting switch switching mechanism 5-is the rotation change gear arbitrarily, switch respectively that most of connecting with each each section of phase coil turn-to-turn tap of transformer are different to be decided contact 6-and reach shift and put the multi-stage pressure regulating in the Y-D transfer process of realization shunting switch in place.
Contact 6-U is decided in the relevant A phase transformation of shunting switch of the present invention
1, contact 6-V is decided in relevant B phase transformation
1, contact 6-W is decided in relevant C phase transformation
1Respectively with transformer A mutually, B phase, C mutually each phase voltage regulation coil head end highest sequence number tap n connect, just respectively with shunting switch A mutually, B phase, C mutually the tap highest sequence number of each phase decide contact 6-n connection, electrical conduction; Contact 6-U is decided in the A phase transformation of will being correlated with again
2, contact 6-V is decided in relevant B phase transformation
2, contact 6-W is decided in relevant C phase transformation
2Respectively with transformer A mutually, B phase, C mutually each phase main coil tap K connect electrical conduction; Contact 6-U is decided in the A phase transformation of will being correlated with again
3, contact 6-V is decided in relevant B phase transformation
3, contact 6-W is decided in relevant C phase transformation
3Respectively with transformer A mutually, B phase, C mutually the terminal minimum sequence number tap 1 of each phase voltage regulation coil connect, just respectively with shunting switch A mutually, B phase, C mutually each mutually minimum sequence number tap decide contact 6-1 connection, electrical conduction; Just finish positive and negative turning and change circuit; When operating mechanism 1-makes three of switching mechanism 2-to face a cross-over connection movable contact spring 2-4 difference cross-over connection in 6-U
1And 6-U
2, 6-V
1And 6-V
2, 6-W
1And 6-W
2Each just connects pressure regulation to what relevant every phase transformation decide between the contact that conductivity general rule also finishes transformer main coil and voltage regulation coil; And work as its difference cross-over connection in 6-U
2And 6-U
3, 6-V
2And 6-V
3, 6-W
2And 6-W
3Each decide between the contact reversal connection pressure regulation that conductivity general rule is also finished transformer main coil and voltage regulation coil to relevant every phase transformation; Above process Infinite Cyclic is gone down, and the then positive and negative rule of changing of turning is to stop carrying out repeatedly between alternate cycle at interval; And between the periodicity of conversion, stop in the interval, shunting switch switching mechanism 5-is the rotation change gear arbitrarily, switch the most individual different contact 6-that decide that connect with each each section of phase voltage regulation coil turn-to-turn tap of transformer respectively, realize the positive and negative multi-stage pressure regulating of turning in the process of changing of shunting switch.
Contact 6-U is decided in the relevant A phase transformation of shunting switch of the present invention
1, relevant B phase transformation decides contact 6-V
1, relevant C phase transformation decides contact 6-W
1Respectively with transformer A mutually, B phase, C mutually each phase coarse adjustment coil end tap I connect electrical conduction; Contact 6-U is decided in the A phase transformation of will being correlated with again
2, relevant B phase transformation decides contact 6-V
2, relevant C phase transformation decides contact 6-W
2Respectively with transformer A mutually, B phase, C mutually the fine tuning coil head end tap M of each phase connect electrical conduction; Contact 6-U is decided in the A phase transformation of will being correlated with again
3, relevant B phase transformation decides contact 6-V
3, relevant C phase transformation decides contact 6-W
3Respectively with transformer A mutually, B phase, C mutually the coarse adjustment coil tap II of each phase connect, electrical conduction has just been finished thickness and has been turned secondary coarse adjustment change-over circuit in changing; If also have III level, IV level, V level ... coarse adjustment conversion then continues to be connected with more senior tap of transformer set up bigger sequence number n decide contact 6-U
N-1, 6-V
N-1, 6-W
N-1And 6-U
n, 6-V
n, 6-W
nApportion is set up decides contact 6-U
2, 6-V
2, 6-W
2On the circumference insulator 4-that both sides distribute, just finished thickness and turned multistage coarse adjustment change-over circuit in changing; When operating mechanism 1-makes three of switching mechanism 2-to face a cross-over connection movable contact spring 2-4 difference cross-over connection in 6-U
1And 6-U
2, 6-V
1And 6-V
2, 6-W
1And 6-W
2Each decides between the contact and electrical conduction to relevant every phase transformation, then finishes the I level coarse adjustment of transformer coarse adjustment coil; And work as its difference cross-over connection in 6-U
2And 6-U
3, 6-V
2And 6-V
3, 6-W
2And 6-W
3Each is decided between the contact relevant every phase transformation, and electrical conduction, then finishes the II level coarse adjustment of transformer coarse adjustment coil; Each group of more senior time that the continuation cross-over connection is set up is decided contact and is then continued multistage coarse adjustment, and above process Infinite Cyclic repeats down, and the conversion rule of each inter-stage of coarse adjustment in the middle of then thickness is turned and changed is to stop carrying out repeatedly between the alternate cycle of interval; And between the periodicity of conversion, stop in the interval, shunting switch switching mechanism 5-is the rotation change gear arbitrarily, switch the most individual different contacts of deciding that connect with each each section of phase fine tuning coil turn-to-turn tap of transformer respectively, reach shift and put in place, realize that shunting switch is to the multistage fine tuning in the coarse adjustment transfer processes at different levels of transformer output voltage.
The gear drive 3-4 that the power resources of the 3-of intermittent motion mechanism of the regular conversion of realization switching mechanism 2-can link by means of the power transmission shaft 1-4 of operating mechanism 1-is by its output shaft 3-3 transmission.
By shown in the technique scheme, so-called " stopping carrying out repeatedly between the periodicity that replaces at interval " is meant that the Y of three-phase transformer coil connects the periodicity conversion repeatedly of the form that connects with D in the Y-D conversion; Change positive and negative turning, be meant that each phase transformer voltage regulation coil just is connected to main coil and the reversal connection periodicity conversion repeatedly in the main coil form; Turn in thickness and to change, be meant that each phase transformer fine tuning coil is inserted the periodicity conversion repeatedly of the sequential loop forms at different levels of its coarse adjustment coil successively.
By shown in the technique scheme, so-called " in the periodicity interval of conversion " is meant, shunting switch control transformer coil Y connect and D connect conversion, just connect and periodicity that each thick inter-stage that reversal connection conversion, thickness are transferred is changed between stop interval period in the process.
By shown in the technique scheme, so-called " switching of switching mechanism 2-is that Infinite Cyclic is intermittently being rotated " is meant that switching that three ortho position cross-over connection movable contact spring 2-4 on the covert rotating disk 2-2 of switching mechanism 2-decide contact to relevant A phase, B phase, the C phase transformation of ring Zhou Bushe goes into the position and take turns and turn over alternately and can Infinite Cyclic carry out; Interrupted rotation is to adapt to and to satisfy multi-stage pressure regulating between the voltage regulating mode transfer process.
By shown in the technique scheme, so-called " contact 6-U is decided in relevant A phase transformation
1, 6-U
2, 6-U
3, contact 6-V is decided in relevant B phase transformation
1, 6-V
2, 6-V
3, contact 6-W is decided in relevant C phase transformation
1, 6-W
2, 6-W
3" so it is called relevant certain phase transformation decide contact be exactly to decide contacts mates switching mechanism 2-because of these to play the effect of conversion voltage regulation mode in shunting switch, and be connected on the transformer of different voltage regulating modes and all can adapt to its change; Relevant certain phase transformation, only each certain phase transformation in is mutually worked exactly, general all mutually relevantly decide contact and link to each other with certain of the tap of the transformer coil of certain phase and shunting switch, but it is different that D connects conversion, relevant certain phase transformation of A phase, B phase, C phase is decided contact and but must be connected with next phase transformer coil tap and could form D and connect conversion, yet it also is relevant to certain phase D and connects conversion, decides contact so just be called relevant certain phase transformation.
By shown in the technique scheme, switching mechanism 2-of the present invention, with its corresponding relevant A phase, B phase, C phase transformation decide that contact can close and transfer configurations in any part of this shunting switch, or branch and every other different any parts that place mutually all still constitute multi-stage pressure regulating conversion tap switch.
By shown in the technique scheme, the setting of each tap sequence number of transformer coil all is that the terminal tail number by coil is that sequence is initial, coil least significant end tap just is 1 and is incremented to this coil head end successively, the sequence number number is the highest, the natural integer 1,2,3 that its sequence is made up of Arabic numerals ... n, n represent the highest number of sequence number.Coarse adjustment coil taps at different levels in having only thickness to turn to change are from the bottom to top by I, II, III, IV, V ... indicate.
Shown in technique scheme, insulator 4-of the present invention is cage type insulation system or tubular, tubular insulation system and dish type insulation system; Insulator is each building blocks of function integration and vehicularized structural condition of shunting switch still not, and be its to the pressure regulation of transformer coil circuit, the uniqueness of network change and the guarantee of reliability.And the therefore difference of insulator then is called cage type multi-stage pressure regulating conversion tap switch and tubular, tubular, dish type multi-stage pressure regulating conversion tap switch on its version.
Shown in technique scheme, each decides every phase of deciding contact system 6-of the present invention contact and is listed on its insulator 4-circumferential side wall by the insulation spacer ring; And, respectively decide contact system 6-mutually by each phase switching mechanism 5-correspondence and lay at the shunting switch axial stratification according to the insulation structure of each phase of shunting switch.
Shown in technique scheme, operating mechanism 1-of the present invention can be the on load operation controlling organization, can also be no excitation electric control mechanism and manual control mechanism, therefore and the present invention is divided into and the multi-stage pressure regulating conversion tap switch of carrying is arranged, electronic multi-stage pressure regulating conversion tap switch of no excitation and manual multi-stage pressure regulating conversion tap switch.
Shown in technique scheme, specific function of the present invention has two, and the first satisfies the voltage regulating mode conversion of transformer, comprises that the conversion of Y-D voltage regulating mode, positive and negative key pressure mode are changed, thickness key pressure mode is changed; It two is the multistage fine settings that reach the transformer pressure regulation; In other words above the two, the first is to the basic change of transformer voltage regulating mode, and it two is fine settings on basic the change.The two is: structure can not obviously be separated, and circuit has completely difference again.
Shown in technique scheme, the present invention mainly realizes by switching mechanism 2-the conversion of transformer voltage regulating mode, switch contact with the ortho position cross-over connection movable contact spring 2-4 in its structure and decide contact with relevant every phase transformation of the corresponding connection of intrinsic voltage regulating mode transformer coil tap, form to be communicated with the variation of transformer coil regulating circuit, magnetic flux finishes thereby change.
Shown in technique scheme, switching mechanism 2-of the present invention, can by the cycle realize the conversion of voltage regulating mode be come from regularity that the 3-of intermittent motion mechanism provides between the row of stopping transport, intermittent motion mechanism of the present invention can adopt sheave intermittent motion mechanism or cam intermittent motion mechanism or partial gear intermittent motion mechanism etc.
Shown in technique scheme, the fine setting after the present invention changes the transformer voltage regulating mode is then mainly depended on switching mechanism 5-and is decided contacting of contact system 6-, and the variation of electrical conduction is to be abutted against contact the shelves that switch to of deciding contact are finished specifically; Shunting switch each have mutually the contact chip of each phase and with it contraposition be equipped with decide contact, by axial, three-phase sets up three intervals separately, two intervals are set up in two-phase separately in the present invention for it, the single-phase interval that sets up separately is distributed in the position.And because of its structural shape respectively appellation be three-phase or two-phase or single-phase multi-stage pressure regulating conversion tap switch.
Beneficial effect of the present invention is:
1. a tractor serves several purposes: the shunting switch version that pressure regulation progression of the present invention is identical, can make things convenient for simple and direct be applied to the Y-D conversion, positive and negative turn change, thickness turn change etc. the multi-stage pressure regulating mode any one; Put in place as long as relevant each phase transformation of the ortho position cross-over connection movable contact spring 2-4 of its switching mechanism 2-contact decide the coil tap connection of the contact transformer different, just can realize the conversion of multistage different voltage regulating modes with voltage regulating mode.Be same the shunting switch that pressure regulation progression is identical, the contact wiring is decided in relevant each phase transformation that only changes its switching mechanism, just can accomplish the conversion voltage regulation mode.
2. refine structure, collectionization function: the multi-stage pressure regulating conversion tap switch of the present invention only switching mechanism 2-that simplifies of one deck just can be finished the convert task of three phase voltage regulating mode accurately; The present invention has received the two multi-functional of shunting switch simultaneously, i.e. the fine adjustment function of first multilevel voltage, and it two is translation functions of multiple voltage regulating mode, and makes its collectionization normalizing.
3. plug a gap: do not have thickness to transfer structure in this type of pattern of prior aries such as serial tubular switch that background technology of the present invention is introduced, expand and filled up the technological gap of this category.
Description of drawings:
Fig. 1 is 9 grades of pressure regulating conversion tap switch example structure sketches
Fig. 2 overlooks organigram for P-P cross section among Fig. 1;
Fig. 3 overlooks organigram for Q-Q cross section among Fig. 1;
Fig. 4 overlooks organigram for R-R cross section among Fig. 1;
Fig. 5 overlooks organigram for S-S cross section among Fig. 1;
Fig. 6 overlooks organigram for T-T cross section among Fig. 1;
Fig. 7 is 9 grades of pressure regulating conversion tap switch and voltage regulating mode Y-D conversion transformer winding wiring electrical schematic diagram;
Fig. 8 is the positive and negative transformation depressor winding wiring electrical schematic diagram of turning of 9 grades of pressure regulating conversion tap switch and voltage regulating mode;
Fig. 9 is that 9 grades of pressure regulating conversion tap switch and voltage regulating mode thickness are turned transformation depressor winding wiring electrical schematic diagram.
Among embodiment of the invention the following drawings: Fig. 1, Fig. 7, each sketch of Fig. 8, Fig. 9
The expression conductor;
The expression insulation structure;---the expression lead;
Cross-wire is disconnected in expression;The expression wire joining;
WithExpression is overlooked and side-looking movable contact spring or contact chip respectively;
Table Show that movable contact spring or contact chip adjacently decide the contact cross-over connection and contact and electrical conduction with two;
Expression location contact chip with The contact of conduction rotating disk and electrical conduction;
Expression axle and bearing;
The indication transformer coil;
Expression engaging tooth wheel set.
The left side is the transformer coil tap of adopting above relational graph symbol to describe in Fig. 7, Fig. 8, each figure of Fig. 9 Connect sketch, each phase coil place is not its physical location of expression, only represents that it is connected with circuit between the shunting switch Relation. And the right side is to adopt the shunting switch structure that above relational graph symbol describes and decide contact system therebetween among each figure With the connecting circuit of transformer coil tap, its from top to bottom four circular cross-section figure be respectively Fig. 2 the P-P sectional view, The sketch of the T-T sectional view of the R-R sectional view of Fig. 4, the S-S sectional view of Fig. 5, Fig. 6.
In Fig. 2, Fig. 3, Fig. 4, Fig. 5, each schematic diagram of Fig. 6, each member of structure is the basis of functionalization, signal What figure represented is the operation principle schematic diagram. The switching mechanism 5-of shunting switch in Fig. 1 and each accompanying drawing of Fig. 4 to Fig. 9 Each member and decide contact system 6-each decide the arrangement sequence number of contact and the arrangement sequence number of each tap of transformer coil does not all have Have by A, B, the difference of C three-phase to indicate, this one is the clearness that is unlikely to affect explanation, and the two is in order to narrate The convenient simplification.
Embodiment
Further specify three concrete modes of the embodiment of the invention again below in conjunction with accompanying drawing, be illustrated in figure 1 as 9 grades of pressure regulating conversion tap switch example structure of a kind of three-phase sketch, this shunting switch top is operating mechanism 1-, its main member has: 1-1 is a mechanism case, and its control shunting switch is pressed the design rule operation; 1-2 is a base plate, makes the shunting switch ne-leakage be installed on the service position of transformer-cabinet; 1-3 is the gear display window, the place gear of indication shunting switch in 9 grades of pressure regulation; 1-4 is a power transmission shaft, and it transmits the regular operation of shunting switch power.
Figure 2 shows that P-P overlooks in the cross section switching mechanism 2-that the organigram emphasis represents to change voltage regulating mode among Fig. 1, its main member has: 2-1 is a bearing, and it is the shared bearing of sheave 3-1 among its member 2-2 and following Fig. 3, trackslips simultaneously in power transmission shaft 1-4; 2-2 is covert rotating disk, and it has 120 ° of uniform three insulation material contact arms, and it is can Infinite Cyclic suitable, counterclockwise rotate arbitrarily; 2-3 is a spring, 2-4 be ortho position cross-over connection movable contact spring the two be positioned 120 ° of uniform contact arm ends of the covert rotating disk of 2-2, can finish following relevant A, each phase transformation of B, C is decided contact and made any task switching; 2-3 can impose elastic force to 2-4, makes it to produce the contact pressure of deciding contact that is contacted is reached electrical conduction between two members; 6-U
1, 6-U
2, 6-U
3For relevant A phase transformation is decided sets of contacts, 6-V
1, 6-V
2, 6-V
3For relevant B phase transformation is decided sets of contacts, 6-W
1, 6-W
1, 6-W
1For sets of contacts is decided in relevant C phase transformation, 6-U wherein
2, 6-V
2, 6-W
2, every group placed in the middle each decide contact and be bigeminy and decide contact, occupy two respectively and decide contact position, decide the insulation batten 4-2 upper end that contact all is fixed in the circular row circle distribution for these 3 groups 9 12, belong to and decide the contact of deciding that contact system 6-is distributed in the P-P cross-sectional configuration, these 9 of conversion are decided contact and are connected with the relevant tap of transformer coil of different voltage regulating modes, the switching that ortho position cross-over connection movable contact spring 2-4 forms among they and the switching mechanism 2-puts in place, just can realize the conversion of shunting switch voltage regulating mode.
Be illustrated in figure 3 as that Q-Q overlooks organigram in the cross section among Fig. 1, emphasis represents to make switching mechanism 2-to realize the 3-of sheave intermittent motion mechanism of regular conversion, and it is six chute plane sheaves that its main member has 3-1; 3-2 is a slot poking ware, its revolution one cycle can dial 60 ° of turn trough wheel 3-1 transpositions and between stop one-period; 3-3 is rotating shaft, and moment of torsion that is provided from power transmission shaft 1-4 by gear pair 3-4 is provided for it, drives slot poking ware 3-2 rotation; 3-5 ships and resell on another market for dialling, its build-in is in the pivoted arm end of slot poking ware 32, the chute of the rotational trajectory incision sheave 3-1 that represents with double dot dash line in by Fig. 3 as 3-5 just is with the turn trough wheel, simultaneously because sheave 3-1 has common bearing 2-1 with covert rotating disk 2-2, so covert rotating disk 2-2 is instant and sheave 3-1 rotates to off-position between the next one, it is synchronous that the ortho position cross-over connection movable contact spring 2-4 of off-position and switching mechanism 2-switches gear between order, then just can finish the once conversion of shunting switch voltage regulating mode.
Be illustrated in figure 4 as that R-R overlooks organigram in the cross section among Fig. 1, emphasis represent shunting switch A phase switching mechanism 5-its periodically between switch area in, decide contact system 6-and be distributed in 9 taps of A in mutually and decide 9 grades of pressure regulation of contact realization by changing contact.It is that contact is decided in 9 grades of pressure regulation that its main member has 6-1 to 6-9, and respectively with transformer A phase coil tap 1,2,3 ... 9 connect; 5-1 is a contact chip, and 5-2 is a spring, and the elastic force of generation provides contact chip to deciding the contact pressure that contact applies, and guarantees the electrical conduction of two members; 5-3 is a conductive arm, 5-4 is a rotating disk, they drive by power transmission shaft 1-4 and a spinning in perpendicular space in two parallel planes, conductive arm 5-3 drives 5-1 and can switch 9 that circular row is fixed on the insulator 4-respectively and decide contact, and rotating disk 5-4 then encircles and allly contacts with the contact chip that the A phase output terminal is decided the conductive arm termination of contact 6-X all the time.These members, promptly contact chip 5-1, conductive arm 5-3, rotating disk 5-4, output decide to be designed between the contact 6-X electrical conduction link.
Be illustrated in figure 5 as that S-S overlooks organigram in the cross section among Fig. 1, emphasis represent shunting switch B phase switching mechanism 5-its periodically between switch area in, decide contact system 6-and be distributed in 9 taps of B in mutually and decide 9 grades of pressure regulation of contact realization by changing contact.It is that contact is decided in 9 grades of pressure regulation that its main member has 6-1 to 6-9, and respectively with transformer B phase coil tap 1,2,3 ... 9 connect; 5-1 is a contact chip, and 5-2 is a spring, and the elastic force of generation provides contact chip to deciding the contact pressure that contact applies, and guarantees the electrical conduction of two members; 5-3 is a conductive arm, 5-4 is a rotating disk, they drive by power transmission shaft 1-4 and a spinning in perpendicular space in two parallel planes, conductive arm 5-3 drives 5-1 and can switch 9 that circular row is fixed on the insulator 4-respectively and decide contact, and rotating disk 5-4 then encircles and allly contacts with the contact chip that the B phase output terminal is decided the conductive arm termination of contact 6-Y all the time.These members, promptly contact chip 5-1, conductive arm 5-3, rotating disk 5-4, output decide to be designed between the contact 6-Y electrical conduction link.
Be illustrated in figure 6 as that T-T overlooks organigram in the cross section among Fig. 1, emphasis represent shunting switch C phase switching mechanism 5-its periodically between switch area in, decide contact system 6-and be distributed in 9 taps of C in mutually and decide 9 grades of pressure regulation of contact realization by changing contact.It is that contact is decided in 9 grades of pressure regulation that its main member has 6-1 to 6-9, and respectively with transformer C phase coil tap 1,2,3 ... 9 connect; 5-1 is a contact chip, and 5-2 is a spring, and the elastic force of generation provides contact chip to deciding the contact pressure that contact applies, and guarantees the electrical conduction of two members; 5-3 is a conductive arm, 5-4 is a rotating disk, they drive by power transmission shaft 1-4 and a spinning in perpendicular space in two parallel planes, conductive arm 5-3 drives 5-1 and can switch 9 that circular row is fixed on the insulator 4-respectively and decide contact, and rotating disk then encircles and allly contacts with the contact chip that the C phase output terminal is decided the conductive arm termination of contact 6-Z all the time.These members, promptly contact chip 5-1, conductive arm 5-3, rotating disk 5-4, output decide to be designed between the contact 6-z electrical conduction link.
This embodiment of the present invention is integrated into the functional configuration in above P-P, Q-Q, R-R, S-S, each cross section of T-T the general structure of shunting switch by insulator 4-, its main member has top insulating support 4-1 and bottom insulation support 4-3, the power transmission shaft 1-4 of the three alternate insulation that their center line device connects; Ring week is connected with it by 12 eradication edge strip plate 4-2 two ends and crowds around into the cage type overall structure; 12 thoroughly do away with the edge strip plates press axial stratification distinguish build-in P-P, Q-Q, R-R, S-S, each cross section of T-T decide contact system 6-each decide contact.
The exclusive feature of this embodiment of the present invention need not to change its structure exactly, be same shunting switch, as long as 6-U, 6-V among its switching mechanism 2-, three groups of 9 12 relevant three-phase inversion of 6-W decide contact and are connected in capacity and electric pressure, the Y-D of the different voltage regulating modes that pressure regulation progression equates change or positive and negative turn change or thickness to turn the relevant tap of any one transformer coil that changes just all applicable.
It is 9 grades of pressure regulation Y-D conversions (also claiming conversion of star angle or the conversion of Y-Δ) transformers that embodiments of the invention adapt to one of voltage regulating mode.
See P-P shown in Figure 7 cross section that is be the 6-U of the switching mechanism 2-in P-P cross section among Fig. 1 and Fig. 2
1And 6-V
1And 6-W
1Three relevant three-phase inversion are decided contact Y and are met N
0, i.e. three's electrical conduction, N
0According to transformer technology conditioned disjunction ground connection or earth-free; 6-U
2, 6-V
2, 6-W
2Three groups of relevant three-phase inversion doubly-linkeds decide contact, and 6-X, B phase 6-Y, C phase 6-Z three-phase output end are decided contact connection, electrical conduction mutually with the A of this shunting switch respectively; 6-U
3, 6-V
3, 6-W
3Three relevant three-phase inversion decide contact respectively in regular turn with transformer B mutually, C phase, A mutually each tap of each phase coil head end connect, electrical conduction is D and connects, as shown in Figure 7.
When this embodiment power transmission shaft 1-4 of the present invention is subjected to operating mechanism 1-control rotation, transfer the motion to Q-Q shown in Figure 7 cross section by gear pair 3-4, that is be the 3-of sheave intermittent motion mechanism in Fig. 1 and Q-Q shown in Figure 3 cross section, obtain by stopping the formula periodic operation between rule to the covert rotating disk 2-2 that makes P-P shown in Figure 7 cross section switching mechanism 2-, so three ortho position cross-over connection movable contact spring 2-4 runnings on its 120 ° uniform three insulation contact arms are if switch to cross-over connection respectively in 6-U
1And 6-U
2Two relevant A phase transformations are decided between the contact, 6-V
1And 6-V
2Two relevant B phase transformations are decided between the contact, 6-W
1And 6-W
2Two relevant C phase transformations are decided also to contact and electrical conduction between the contact, connect the voltage regulating mode conversion with regard to the Y that has realized the transformer three-phase coil; And if switch to cross-over connection respectively in 6-U
2And 6-U
36-V is decided between the contact in two relevant A phase transformations
2And 6-V
36-W is decided between the contact in two relevant B phase transformations
2And 6-W
3Two relevant C phase transformations are decided between the contact and contact and electrical conduction connects the voltage regulating mode conversion with regard to the D that has realized the transformer three-phase coil.Obviously, no matter be how covert rotating disk 2-2 does clockwise or counterclockwise running, the ortho position cross-over connection movable contact spring 2-4 on it will repeat above process, just can realize the Y-D conversion voltage regulation mode of this embodiment of the present invention.
R-R among Fig. 7, S-S, three sectional views of T-T are represented respectively be this embodiment A of the present invention mutually with B mutually with the C sketch of three organigrams mutually.Wherein divide vertically three layers of 6-1,6-2,6-3,6-4,6-5,6-6,6-7,6-8,9 every layer of 6-9 decide contact respectively with transformer A mutually, B phase, C phase three- phase coil 1,2,3,4,5,6,7,8,9,9 taps of every each section of phase coil turn-to-turn connect electrical conduction.
And the vertical power transmission shaft 1-4 that wears A, B, C, three-phase, can be laid in that R-R, S-S, each phase cross section of T-T are divided 5-1, the 5-2 of three layers switching mechanism 5-, 5-3,5-4 fax link rotation to switch respectively also to divide three layers of 1～9 corresponding with it of A, B, C three-phase decide contact and 6-X, 6-Y, 6-Z three-phase output end are decided contact by the synchronous drive of the instruction of operating mechanism respectively, the voltage regulating mode that just can realize this embodiment of the present invention is 9 grades of adjustment of the output voltage during Y-D changes.
It is 9 grades of positive and negative transformation depressors of turning of pressure regulation that this embodiment of the present invention adapts to two of voltage regulating mode.
See P-P shown in Figure 8 cross section that is be the 6-U of the switching mechanism 2-in P-P cross section among Fig. 1 and Fig. 2
1And 6-V
1And 6-W
1Three relevant three-phase inversion decide contact respectively with transformer A mutually, B phase, C mutually the voltage regulation coil head end of each phase be that highest sequence number tap n connects, electrical conduction, just respectively with the A of this shunting switch mutually, each phase tap sequence number is the highest mutually decide contact 6-n connection, electrical conduction for B phase, C; 6-U
2, 6-V
2, 6-W
2Three relevant three-phase inversion doubly-linkeds decide contact respectively with transformer A mutually, B phase, C mutually the terminal tap K of each phase main coil connect electrical conduction; 6-U
3, 6-V
3, 6-W
3Three relevant three-phase inversion decide contact respectively with transformer A mutually, B phase, C mutually the terminal minimum sequence number tap 1 of voltage regulation coil of each phase connect, electrical conduction, just respectively with the A of this shunting switch mutually, each phase tap sequence number is minimum mutually decide contact 6-1 connection, electrical conduction for B phase, C; As shown in Figure 8.
When this embodiment power transmission shaft 1-4 of the present invention is subjected to operating mechanism 1-control rotation, transfer the motion to Q-Q shown in Figure 8 cross section that is be the 3-of sheave intermittent motion mechanism in the Q-Q cross section of Fig. 1 and Fig. 3 by gear pair 3-4, obtain by stopping the formula periodic operation between rule to the covert rotating disk 2-2 that makes P-P shown in Figure 8 cross section switching mechanism 2-, so three ortho position cross-over connection movable contact spring 2-4 runnings on its 120 ° uniform three insulation contact arms are if switch to cross-over connection respectively in 6-U
1And 6-U
26-V is decided between the contact in two relevant A phase transformations
1And 6-V
2Two relevant B phase transformations are decided between the contact, 6-W
1And 6-W
2Two relevant C phase transformations are decided also to contact and electrical conduction between the contact, have just realized that the voltage regulation coil of transformer is just inserting the voltage regulating mode conversion of its main coil; And if switch to cross-over connection respectively in 6-U
2And 6-U
36-V is decided between the contact in two relevant A phase transformations
2And 6-V
3Two relevant B phase transformations are decided between the contact, 6-W
2And 6-W
3Two relevant C phase transformations are decided between the contact and contact and electrical conduction, have just realized that the voltage regulation coil reversal connection of transformer goes into the voltage regulating mode conversion of its main coil.Obviously, no matter be how covert rotating disk 2-2 does clockwise or counterclockwise running, the ortho position cross-over connection movable contact spring 2-4 on it will repeat above process, can realize that just positive and negative the turning of this embodiment of the present invention changed voltage regulating mode.
R-R among Fig. 8, S-S, three sectional views of T-T are represented respectively be this embodiment A of the present invention mutually with B mutually with the C sketch of three organigrams mutually.Wherein divide vertically three layers of 6-1,6-2,6-3,6-4,6-5,6-6,6-7,6-8,9 every layer of 6-9 decide contact respectively with transformer A mutually, B phase, C phase three- phase coil 1,2,3,4,5,6,7,8,9,9 taps of every each section of phase coil turn-to-turn connect electrical conduction.
And the vertical power transmission shaft 1-4 that wears A, B, C, three-phase, can by the synchronous drive of the instruction of operating mechanism be laid in respectively R-R, S-S, each phase cross section of T-T divide 5-1, the 5-2 of three layers switching mechanism 5-, 5-3,5-4 fax link rotation to switch respectively also to divide three layers of corresponding with it A, B, C each mutually 1～9 decide contact and 6-X, 6-Y, each phase output terminal of 6-Z are decided contact, the voltage regulating mode that just can realize this embodiment of the present invention is positive and negative 9 grades of adjustment of turning the output voltage in changing.
If shunting switch A, B, C three-phase output end are decided contact 6-X, 6-Y, 6-Z makes Y and meets N
0, then this positive and negative voltage regulator/transformer three-phase coil is that Y connects form, and if 6-X, 6-Y, 6-Z are connected with transformer three-phase coil head end B, C, A respectively in regular turn, then this positive and negative voltage regulator/transformer three-phase coil is that D connects form, sees 8 figure, obviously this circuit is that Y connects mode.
It is that 9 grades of pressure regulation thicknesses are turned the transformation depressor that this embodiment of the present invention adapts to three of voltage regulating mode.See P-P shown in Figure 9 cross section that is be the 6-U of the switching mechanism 2-in P-P cross section among Fig. 1 and Fig. 2
1, 6-V
1, 6-W
1Three relevant three-phase inversion decide contact respectively with the A of transformer mutually, B phase, C mutually each phase coarse adjustment coil end tap I connect electrical conduction; 6-U
2, 6-V
2, 6-W
2Three relevant three-phase inversion doubly-linkeds decide contact respectively with transformer A mutually, B phase, C mutually each phase fine tuning coil head end tap M connect electrical conduction; 6-U
3, 6-V
3, 6-W
3Three relevant three-phase inversion decide contact respectively with the A of transformer mutually, B phase, C mutually each phase coarse adjustment coil II connect electrical conduction; As shown in Figure 9.
When power transmission shaft 1-4 of the present invention is subjected to operating mechanism 1-control rotation, transfer the motion to Q-Q shown in Figure 9 cross section that is be the 3-of sheave intermittent motion mechanism in the Q-Q cross section of Fig. 1 and Fig. 3 by gear pair 3-4, to making P-P shown in Figure 9 cross section, the covert rotating disk 2-2 of switching mechanism 2-obtains by stopping the formula periodic operation between rule, so three ortho position cross-over connection movable contact spring 2-4 runnings on its 120 ° uniform three insulation contact arms are decided contact 6-U if switch to cross-over connection respectively in relevant A phase transformation two
1And 6-U
2Between, contact 6-V is decided in relevant B phase transformation two
1And 6-V
2Between, contact 6-W is decided in relevant C phase transformation two
1And 6-W
2Between and the contact and electrical conduction has just realized that the I level coarse adjustment mode of the coarse adjustment coil of transformer is changed; If decide contact 6-U in relevant A phase transformation two and switch to cross-over connection respectively
2And 6-U
3Between, contact 6-V is decided in relevant B phase transformation two
2And 6-V
3Between, contact 6-W is decided in relevant C phase transformation two
2And 6-W
3Between and contact and electrical conduction has just realized the II level coarse adjustment voltage regulating mode conversion of the coarse adjustment coil of transformer.Obviously, no matter be how covert rotating disk 2-2 does clockwise or counterclockwise running, the ortho position cross-over connection movable contact spring 2-4 on it will repeat above process, secondary coarse adjustment voltage regulating mode during the thickness that just can realize this embodiment of the present invention is turned and changed.
R-R among Fig. 9, S-S, three sectional views of T-T are represented respectively be this embodiment A of the present invention mutually with B mutually with the C sketch of three cross-sectional configuration schematic diagrames mutually.Wherein divide vertically three layers of 6-1,6-2,6-3,6-4,6-5,6-6,6-7,6-8,9 every layer of 6-9 decide contact respectively with transformer A mutually, B phase, C phase three- phase coil 1,2,3,4,5,6,7,8,9,9 taps of every each section of phase coil turn-to-turn connect electrical conduction.
And the vertical power transmission shaft 1-4 that wears A, B, C, three-phase, can by the synchronous drive of the instruction of operating mechanism be laid in respectively R-R, S-S, each phase cross section of T-T divide 5-1, the 5-2 of three layers switching mechanism 5-, 5-3, the rotation of 5-4 fax link mechanism to switch respectively also to divide three layers of corresponding with it A, B, C each mutually 1～9 decide contact and 6-X, 6-Y, each phase output terminal of 6-Z are decided contact, the voltage regulating mode that just can realize this embodiment of the present invention is 9 grades of fine tunings of the output voltage of secondary coarse adjustment in changing.
If shunting switch A, B, C three-phase output end are decided contact 6-X, 6-Y, 6-Z makes Y and meets N0, then this thickness voltage regulator/transformer three-phase coil is that Y connects form, if and 6-X, 6-Y, 6-Z are connected in regular turn with transformer three-phase coil head end B, C, A respectively, then this thickness voltage regulator/transformer three-phase coil is that D connects form, see 9 figure, obviously this circuit is that D connects mode.
9 grades of pressure regulating conversion tap switch of the foregoing description can be any multi-stage pressure regulating conversion regime in production practices, multistage general reference from 2 grades, 3 grades, 4 grades ... the pressure regulation of n level.
9 grades of pressure regulating conversion tap switch of the foregoing description, be applied to three-phase Y-D conversion, positive and negative turn change, thickness turns and changes isallobaric device, remove Y-D and change necessary three-phase transformer, other two kinds conversions only need to remove a phase or two phase structures in shunting switch, just can adapt to two-phase or single-phase use.
Claims (5)
1. multi-stage pressure regulating conversion tap switch, it comprises: the operating mechanism (1-) of running shunting switch, change the switching mechanism (2-) of voltage regulating mode, the intermittent motion mechanism of control cycle conversion (3-), the whole insulator (4-) that constitutes of combination shunting switch, make the switching mechanism (5-) of contact chip rotation change gear, what be connected in each tap of transformer coil decides contact system (6-); It is characterized in that; Decide contact (6-U by a relevant A phase transformation that cross-over connection movable contact spring (2-4) is switched of facing to switching mechanism (2-)
1, 6-U
2, 6-U
3), contact (6-V is decided in relevant B phase transformation
1, 6-V
2, 6-V
3), contact (6-W is decided in relevant C phase transformation
1, 6-W
2, 6-W
3) change or thickness turns that the relevant Y-D that decide connection of contact, just can finishes transformer of the relevant tap connection of transformation depressor coil and shunting switch body changes or positive and negative turning changed or thickness is turned one of multiple any voltage regulating mode that changes with Y-D conversion or positive and negative turning; And the switching of switching mechanism (2-) is that Infinite Cyclic is intermittently being rotated, and just any Y of voltage regulating mode connects and D connects conversion or voltage regulation coil is just connecing and the rule of reversal connection each inter-stage conversion of coarse adjustment in main coil conversion or thickness are transferred all is the carrying out that the periodicity that replaces is at interval stopped between repeatedly; In control transformation mechanism of intermittent motion mechanism (3-) (2-) carries out between the periodic region of voltage regulating mode conversion, switching mechanism (5-) rotation change gear, switch respectively that most of connecting with each each section of phase coil turn-to-turn tap of transformer are different to be decided contact and reach shift and put the multi-stage pressure regulating of enforcement shunting switch in place.
2. multi-stage pressure regulating conversion tap switch according to claim 1 is characterized in that: contact (6-U is decided in the relevant A phase transformation of shunting switch
1), contact (6-V is decided in relevant B phase transformation
1), contact (6-W is decided in relevant C phase transformation
1), be linked to be Y and connect, electrical conduction or add N again
0Ground connection; Contact (6-U is decided in the A phase transformation of will being correlated with again
2), contact (6-V is decided in relevant B phase transformation
2), contact (6-W is decided in relevant C phase transformation
2) decide contact (6-X) with the terminal mutually output of the A of its body respectively, contact (6-Y) is decided in the terminal mutually output of B, and the terminal mutually output of C is decided contact (6-Z) and is connected; Contact (6-U is decided in the A phase transformation of will being correlated with again
3), contact (6-V is decided in relevant B phase transformation
3), contact (6-W is decided in relevant C phase transformation
3) respectively according to the order of sequence with transformer B mutually, C phase, A mutually each phase coil head end tap connect and be D and connect or claim Δ to connect and just finish the Y-D change-over circuit; When operating mechanism (1-) makes three of switching mechanism (2-) to face cross-over connection movable contact spring (2-4) difference cross-over connection in (6-U
1) and (6-U
2), (6-V
1) and (6-V
2), (6-W
1) and (6-W
2) each is decided to distinguish electrical conduction between the contact to relevant every phase transformation, just finishes its Y and connect the voltage regulating mode conversion; And work as its difference cross-over connection in (6-U
2) and (6-U
3), (6-V
2) and (6-V
3), (6-W
2) and (6-W
3) each decide between the contact relevant every phase transformation, and the conductivity general rule is finished D and connect voltage regulating mode conversion; Above process Infinite Cyclic repeats down, and then the rule of Y-D conversion is that Y connects and D connects between the periodicity that replaces at interval and stops carrying out repeatedly; And between the periodicity of conversion, stop in the interval, shunting switch switching mechanism (5-) is the rotation change gear arbitrarily, switch respectively that most of connecting with each each section of phase coil turn-to-turn tap of transformer are different to be decided contact and reach shift and put the multi-stage pressure regulating in the Y-D transfer process of realization shunting switch in place.
3. multi-stage pressure regulating conversion tap switch according to claim 1 is characterized in that: contact (6-U is decided in the relevant A phase transformation of shunting switch
1), contact (6-V is decided in relevant B phase transformation
1), contact (6-W is decided in relevant C phase transformation
1) respectively with transformer A mutually, B phase, C mutually the voltage regulation coil head end of each phase be that highest sequence number tap (n) connects, just respectively with shunting switch A mutually, B phase, C mutually each phase best result connect and decide contact (6-n), connect electrical conduction; Contact (6-U is decided in the A phase transformation of will being correlated with again
2), contact (6-V is decided in relevant B phase transformation
2), contact (6-W is decided in relevant C phase transformation
2) respectively with transformer A mutually, B phase, C mutually the main coil tap K of each phase connect electrical conduction; Contact (6-U is decided in the A phase transformation of will being correlated with again
3), relevant B phase transformation decides contact (6-V
3), relevant C phase transformation decides contact (6-W
3) respectively with transformer A mutually, B phase, C mutually terminal minimum sequence number tap of each phase voltage regulation coil (1) connect, just respectively with shunting switch A mutually, B phase, C mutually each mutually minimum sequence number tap decide contact (6-1) connection, electrical conduction is just finished positive and negative turning and is changed circuit; When operating mechanism (1-) makes three of switching mechanism (2-) to face cross-over connection movable contact spring (2-4) difference cross-over connection in 6-U
1And 6-U
2, 6-V
1And 6-V
2, 6-W
1And 6-W
2Each just connects pressure regulation to what relevant every phase transformation decide between the contact that conductivity general rule also finishes transformer main coil and voltage regulation coil; And work as its difference cross-over connection in 6-U
2And 6-U
3, 6-V
2And 6-V
3, 6-W
2And 6-W
3Each decide between the contact reversal connection pressure regulation that conductivity general rule is also finished transformer main coil and voltage regulation coil to relevant every phase transformation; Above process Infinite Cyclic is gone down, and the then positive and negative rule of changing of turning is to stop carrying out repeatedly between alternate cycle at interval; And between the periodicity of conversion, stop in the interval, shunting switch switching mechanism (5-) is the rotation change gear arbitrarily, switches most the different positive and negative multi-stage pressure regulatings of turning in the process of changing of deciding contact realization shunting switch that connect with each each section of phase voltage regulation coil turn-to-turn tap of transformer respectively.
4. multi-stage pressure regulating conversion tap switch according to claim 1 is characterized in that: contact (6-U is decided in the relevant A phase transformation of shunting switch
1), relevant B phase transformation decides contact (6-V
1), relevant C phase transformation decides contact (6-W
1) respectively with transformer A mutually, B phase, C mutually the coarse adjustment coil end tap (I) of each phase connect electrical conduction; Contact (6-U is decided in the A phase transformation of will being correlated with again
2), relevant B phase transformation decides contact (6-V
2), relevant C phase transformation decides contact (6-W
2) respectively with transformer A mutually, B phase, C mutually the fine tuning coil head end tap M of each phase connect electrical conduction; Contact (6-U is decided in the A phase transformation of will being correlated with again
3), relevant B phase transformation decides contact (6-V
3), relevant C phase transformation decides contact (6-W
3) respectively with transformer A mutually, B phase, C mutually the coarse adjustment coil tap (II) of each phase connect, electrical conduction has just been finished thickness and has been turned secondary coarse adjustment change-over circuit in changing; If also have III level, IV level, V level ... coarse adjustment conversion then continues to be connected with more senior tap of transformer set up bigger sequence number (n) decide contact (6-U
N-1), (6-V
N-1), (6-W
N-1) and (6-U
n), (6-V
n), (6-W
n) apportion set up decide contact (6-U
2), (6-V
2), (6-W
2) on the circumference insulator (4-) that distributes of both sides, just finished thickness and turned multistage coarse adjustment change-over circuit in changing; When operating mechanism (1-) makes three of switching mechanism (2-) to face cross-over connection movable contact spring (2-4) difference cross-over connection in (6-U
1) and (6-U
2), (6-V
1) and (6-V
2), (6-W
1) and (6-W
2) each decide between the contact also electrical conduction to relevant every phase transformation, then finishes the I level coarse adjustment of transformer coarse adjustment coil; And work as its difference cross-over connection in (6-U
2) and (6-U
3), (6-V
2) and (6-V
3), (6-W
2) and (6-W
3) each is decided between the contact relevant every phase transformation, and electrical conduction, then finishes the II level coarse adjustment of transformer coarse adjustment coil; Each group of more senior time that the continuation cross-over connection is set up is decided contact and is then continued multistage coarse adjustment, and above process Infinite Cyclic repeats down, and the conversion rule of each inter-stage of coarse adjustment in the middle of then thickness is turned and changed is to stop carrying out repeatedly between the alternate cycle of interval; And between the periodicity of conversion, stop in the interval, shunting switch switching mechanism (5-) is the rotation change gear arbitrarily, switch the most individual different contacts of deciding that connect with each each section of phase fine tuning coil turn-to-turn tap of transformer respectively, reach shift and put in place, realize that shunting switch is to the multistage fine tuning in the coarse adjustment transfer processes at different levels of transformer output voltage.
5. multi-stage pressure regulating conversion tap switch according to claim 1 is characterized in that: the gear drive (3-4) that the power resources of the intermittent motion mechanism (3-) of the regular conversion of realization switching mechanism (2-) can link by means of the power transmission shaft (1-4) of operating mechanism (1-) is by its output shaft (3-3) transmission.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100132522A CN101452759B (en) | 2008-09-19 | 2008-09-19 | Multi-stage pressure regulating conversion tap switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100132522A CN101452759B (en) | 2008-09-19 | 2008-09-19 | Multi-stage pressure regulating conversion tap switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101452759A true CN101452759A (en) | 2009-06-10 |
| CN101452759B CN101452759B (en) | 2012-03-21 |
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ID=40734946
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100132522A Active CN101452759B (en) | 2008-09-19 | 2008-09-19 | Multi-stage pressure regulating conversion tap switch |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102893357A (en) * | 2010-05-11 | 2013-01-23 | 赖茵豪森机械制造公司 | Load transfer switch for a tap changer |
| CN107068445A (en) * | 2017-04-10 | 2017-08-18 | 山东普益电气有限公司 | A kind of power network intelligent voltage regulator loaded tap-off mechanical switch |
| CN108463868A (en) * | 2016-03-11 | 2018-08-28 | 赖茵豪森机械制造公司 | For the selector of load ratio bridging switch and the load ratio bridging switch including load changeover switch and selector |
| CN108511223A (en) * | 2018-05-26 | 2018-09-07 | 辽宁金立电力电器有限公司 | Horizontal loaded capacity regulating voltage regulating tap switch |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4866568A (en) * | 1987-08-21 | 1989-09-12 | Asea Electric, Inc. | Integrated transformer sectionalizing switch assembly |
| CN2800468Y (en) * | 2005-03-28 | 2006-07-26 | 上海华明电力设备制造有限公司 | Combined type on-load tap-changer |
-
2008
- 2008-09-19 CN CN2008100132522A patent/CN101452759B/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102893357A (en) * | 2010-05-11 | 2013-01-23 | 赖茵豪森机械制造公司 | Load transfer switch for a tap changer |
| CN102893357B (en) * | 2010-05-11 | 2015-07-08 | 赖茵豪森机械制造公司 | Load transfer switch for a tap changer |
| CN108463868A (en) * | 2016-03-11 | 2018-08-28 | 赖茵豪森机械制造公司 | For the selector of load ratio bridging switch and the load ratio bridging switch including load changeover switch and selector |
| CN108463868B (en) * | 2016-03-11 | 2020-08-07 | 赖茵豪森机械制造公司 | Selector for an on-load tap changer and on-load tap changer comprising a load changeover switch and a selector |
| CN107068445A (en) * | 2017-04-10 | 2017-08-18 | 山东普益电气有限公司 | A kind of power network intelligent voltage regulator loaded tap-off mechanical switch |
| CN107068445B (en) * | 2017-04-10 | 2019-08-20 | 山东普益电气有限公司 | A kind of power grid intelligent voltage regulator loaded tap-off mechanical switch |
| CN108511223A (en) * | 2018-05-26 | 2018-09-07 | 辽宁金立电力电器有限公司 | Horizontal loaded capacity regulating voltage regulating tap switch |
| CN108511223B (en) * | 2018-05-26 | 2024-04-02 | 辽宁金立电力电器有限公司 | Horizontal on-load capacity-regulating voltage-regulating tapping switch |
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|---|---|
| CN101452759B (en) | 2012-03-21 |
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