CN204376800U - motor winding parameter converter - Google Patents
motor winding parameter converter Download PDFInfo
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- CN204376800U CN204376800U CN201420852023.0U CN201420852023U CN204376800U CN 204376800 U CN204376800 U CN 204376800U CN 201420852023 U CN201420852023 U CN 201420852023U CN 204376800 U CN204376800 U CN 204376800U
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Abstract
A kind of motor winding parameter converter, be made up of the first contactor, terminal base, the second contactor, side cover and accessory, the mutual wedging of mortise structure that first contactor, terminal base, the second contactor are provided with by housing is assembled into an entirety, and by trip bolt and fastening nuts; First contactor, terminal base, the second contactor inside are connected by three hole braces and (or) two hole braces between terminal and fixed contact accordingly, thus be combined into an overall electric system, the solenoid of the first contactor, the second contactor is relatively independent, by controlling the different operating combinations of states of the first contactor and the second contactor, make to form different break-make compositions of relations between each fixed contact and each terminal, and then realize the control to motor winding.Adapt to the motor of various ways, installation and maintenance are easy, and volume is little, can be directly installed on the interior alternative binding post use of motor connecting cartridge, and structure is simple, energy consumption is low, be convenient to popularization.
Description
Technical field
The utility model relates to a kind of motor running control device, says more definitely and relates to a kind of motor winding parameter converter.
Background technology
Along with the progress of science and technology, various machinery equipment each field more and more widely in people's life day and night works, in all devices building block, motor is should be the most extensive, one of parts that number of applications is maximum, although new product new material is in constantly researching and developing, but principle and the structure of all motor of being on active service at present are fixed in typical several kind substantially, realize the conversion of motor winding parameter to be also mostly fixed within typical several method, this provides great convenience to the exploitation of Motor Control product and popularization, but realizing the conversion of motor winding parameter at present generally adopts the method that multiple not energy-conservation traditional parts set up integrally control circuit to realize controlling, so not only connect wire many, assembling is complicated, assembly cost is high, not energy-conservation, simultaneously bulky, be not suitable for installing on motor case, a lot of bar wire will be drawn like this to control circuit in multi-winding motor, not only waste material but also easily cause interference and fault.Visible, in the face of the huge motor quantity run, the shortcoming and defect of these motor winding control aspects above-mentioned urgently overcomes and perfect.
Summary of the invention
In view of the shortcoming and defect of motor winding control aspect in above-mentioned current electric motors, it is simple that the purpose of this utility model is to provide a kind of structure, and volume is little, little power consumption, and operation and maintenance is motor winding parameter converter easily.
For achieving the above object, the utility model have employed following technical scheme: motor winding parameter converter, comprise the first contactor, terminal base, the second contactor, side cover, it is characterized in that: the first contactor, terminal base, the second contactor, side cover order arrange and be assembled into an entirety by the mutual wedging of mortise structure that the place of being interconnected is provided with, and by trip bolt and fastening nuts; Connected by multiple three hole braces and (or) two hole braces between first contactor, terminal base, the inner corresponding fixed contact of the second contactor or terminal, thus three relatively independent component combinations are become an overall Circuits System, by using the selectivity of three hole braces and two hole braces, can adjust the function of motor winding parameter converter, control the demand of occasion with satisfied difference; The electromagnetism tractor of function is kept to drive each contact to complete switching action by with magnetic in first contactor and the second contactor; Be respectively equipped with at least three main contact groups and at least one auxiliary contact group in first contactor and the second contactor, each main contact group and auxiliary contact group are by moving contact and the fixed contact composition be mated; Fixed contact T5, T10, T15 in second contactor are linked together by short board; The solenoid of the first contactor, the second contactor is relatively independent, by controlling the different operating combinations of states of the first contactor and the second contactor, can make to form different break-make compositions of relations between each fixed contact and each terminal, and then the control to motor winding parameter can be realized.
The utility model solves its technical problem and following technical measures can also be adopted to realize further.
In some embodiments, the housing of the first contactor, terminal base, the second contactor is all the box-like member be made up of interconnective five faces, edge, side cover is the parts that gabarit is similar to cuboid, the housing of side cover and the first contactor, terminal base, the second contactor forms through high temperature die casting by heat cured insulation material, is equipped with the groove for inlaying each parts in the housing of the first contactor, terminal base, the second contactor, need in first contactor, terminal base, the second contactor housing to be equipped with mutually corresponding through hole near the fixed contact that mutually electrically connects, so that three hole braces and (or) two hole braces are from the first contactor, inner to be through to the second contactor through terminal base inner, on the face that side cover contacts with the first contactor, the position of corresponding each fixed contact and moving contact trace is equipped with the fin for stablizing above-mentioned parts, on side cover and the first contactor, terminal base, the housing of the second contactor is equipped with and is no less than the through fastening screw nail of four depths, the two ends of fastening screw nail are respectively equipped with cylinder groove and cylinder is protruding, the internal diameter of cylinder groove equals the external diameter of cylinder projection, fastening screw nail wherein on the second contactor housing is provided with nut caulking groove near a side end of the nut for coordinating with trip bolt, so that nut embeds wherein, on side cover and the first contactor, terminal base, on second contactor housing, the fastening screw nail of relevant position is mutually accurately corresponding respectively, so that side cover, first contactor, terminal base, the cylinder groove of the trip bolt bore ends of relevant position and cylinder projection wedging continuing mutually respectively in each parts when second contactor is assembled together, one is provided completely to run through the first contactor to trip bolt, terminal base, the passage of the second contactor three parts, first contactor and the second contactor hull outside appropriate location are provided with the installation foot of fixed motor winding parameter converter.
In some embodiments, the electromagnetism tractor in the first contactor and the second contactor comprises solenoid, iron core, permanent magnet installing rack, moving contact trace, permanent magnet; Solenoid is formed by the coiling on coil rack of copper paint envelope curve, and the centre bore of coil rack is built with through iron core; Be provided with the permanent magnet installing rack of the square frame-shaped be made up of metal material that can move back and forth along core field acting surface vertical direction in the housing draw-in groove of coil rack periphery, being separately installed with the gabarit that rare earth permanent-magnetic material makes inside permanent magnet installing rack with two of iron core positions that magnetic fields face is corresponding is the permanent magnet of cuboid; Two permanent magnets are that namely same polarity is all N pole or is all S pole towards the magnetic fields face of iron core; Moving contact trace is formed through high temperature die casting by heat cured insulation material, be the part of cuboid and the profiled parts of permanent magnet installing rack draw-in groove incorporating aspects by gabarit, the part of the cuboid of moving contact trace is provided with multiple moving contact installing hole, in each moving contact installing hole, one or two moving contact is installed, the moving contact in each moving contact installing hole and the spring be all equipped with between hole wall or in the middle of two moving contacts for increasing contact reliability between moving contact and fixed contact; Moving contact trace is fixed together by permanent magnet installing rack draw-in groove and sunk screw and permanent magnet installing rack, thus the moving contact trace making to be provided with many group moving contacts moves under the effect of solenoid operating fields and two magnetic field of permanent magnet with permanent magnet installing rack, and then complete the open and close between contact.
In some embodiments, the first contactor is by housing be embedded in the electromagnetism tractor of enclosure interior, multiple moving contact, fixed contact T1, T2, T3, T6, T7, T8, T11, T12, T13, T16, T17 and accessory and form; Two lead-in wires of solenoid are connected with terminal D16, D17 of being installed on housing; In first contactor, fixed contact T1, T2, T3, T6, T7, T8, T11, T12, T13, T16, T17 are formed by contact and contact mounting panel, contact mounting panel is made up of the copper coin bending to suitable shape, its appropriate location, one end is provided with contact, and the other end is provided with the end face for electrically connecting; Two contacts are equipped with in fixed contact T2, T7, T12, end face for electrically connecting in fixed contact T2, T7, T12 extends to outside and uses as binding post, end face for electrically connecting in fixed contact T1, T3, T6, T8, T11, T13, T17 is positioned at enclosure interior, for being connected through the corresponding through hole terminal corresponding to terminal base and the second contactor or fixed contact by three hole braces and (or) two hole braces; In first contactor, fixed contact T1, T2, T3, T6, T7, T8, T11, T12, T13 and the moving contact that coordinates with it form three groups of main contact groups, and fixed contact T16, T17 and the moving contact coordinated with it form one group of auxiliary contact group.In some embodiments, terminal base is made up of with the multiple identical special-shaped conductive plate being embedded in enclosure interior housing; In terminal base, the two ends of each special-shaped conductive plate are equipped with the terminal for electrically connecting, wherein terminal D4, D2, D9, D7, D14, D12, D21 extends to outside, for linking with outside electric system, terminal D5, D3, D10, D8, D15, D13, D20 are positioned at enclosure interior, for being connected through the fixed contact that corresponding through hole is corresponding to the first contactor and the second contactor by three hole braces and (or) two hole braces.
In some embodiments, the second contactor is by housing be embedded in the electromagnetism tractor of enclosure interior, multiple moving contact, fixed contact T4, T5, T9, T10, T14, T15, T18, T19 and accessory and form; Two lead-in wires of solenoid are connected with terminal D18, D19 of being installed on housing; In second contactor, fixed contact T4, T5, T9, T10, T14, T15, T18, T19 are formed by contact and contact mounting panel, contact mounting panel is made up of the copper coin bending to suitable shape, its appropriate location, one end is provided with contact, and the other end is provided with the end face for electrically connecting; End face for electrically connecting in fixed contact T5, T10, T15 all links together with short board; End face for electrically connecting in fixed contact T19 extends to outside and uses as binding post, end face for electrically connecting in fixed contact T4, T5, T9, T10, T14, T15, T18 is positioned at enclosure interior, for being connected through the corresponding through hole terminal corresponding to terminal base and the first contactor and fixed contact by three hole braces and (or) two hole braces; In second contactor, fixed contact T4, T5, T9, T10, T14, T15 and the moving contact that coordinates with it form three groups of main contact groups, and fixed contact T18, T19 and the moving contact coordinated with it form one group of auxiliary contact group; Second contactor outside appropriate location is provided with separately independently terminal D1, D6, D11, and terminal D1, D6, D11 are used for facilitating external cabling, does not form any connection with motor winding parameter converter inside.
The beneficial effects of the utility model are: after needing the occasion converted at any time motor winding parameter to adopt the technical solution of the utility model, directly this motor winding parameter converter can be arranged in motor connecting cartridge and substitute binding post use, reduce the space shared by control system, reduce the failure rate of whole system, reduce the electric energy loss of control system itself, against shock performance is good, installation and maintenance is convenient, and the technical solution of the utility model structure is simple, with low cost, highly versatile, is convenient to produce and promote.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model characteristic, for enabling the clearer technological means of the present utility model of professional and technical personnel, and can be implemented according to the content of specification, coordinate accompanying drawing to elaborate with preferred embodiment of the present utility model below.
Accompanying drawing explanation
Fig. 1 motor winding parameter converter schematic diagram;
Fig. 2 motor winding parameter converter vertical view;
Fig. 3 is the first contactor front view;
Fig. 4 is the first contactor rear view;
Fig. 5 is the first contactor geometric center place front sectional side elevation;
Fig. 6 is terminal base front view;
Fig. 7 is terminal base rear view;
Fig. 8 is terminal base geometric center place front sectional side elevation;
Fig. 9 is the second contactor front view;
Figure 10 is the second contactor rear view;
Figure 11 is the second contactor geometric center place front sectional side elevation;
Figure 12 is side cover front view;
Figure 13 is side cover rear view;
Figure 14 is the first contactor housing geometric center place front sectional side elevation;
Figure 15 is terminal base device housing geometric center place front sectional side elevation;
Figure 16 is the second contactor housing geometric center place front sectional side elevation;
Figure 17 is trip bolt pore structure schematic diagram;
Figure 18 is fastening screw nail wedging schematic diagram;
Figure 19 is the first electromagnetic contactor coil and interlock partial schematic diagram;
Figure 20 is the first electromagnetic contactor coil and interlock partial act schematic diagram;
Figure 21 is the second electromagnetic contactor coil and interlock partial schematic diagram;
Figure 22 is the second electromagnetic contactor coil and interlock partial act schematic diagram;
Figure 23 is that terminal base electrically connects partial schematic diagram;
Figure 24 is sets of contacts partial enlarged drawing;
Figure 25 is the first electromagnetic contactor coil schematic diagram;
Figure 26 is the first contactor permanent magnet body installing rack schematic diagram;
Figure 27 is the first contactor moving contact trace schematic diagram;
Figure 28 is permanent magnet installation direction schematic diagram;
Figure 29 is three hole brace schematic diagrames;
Figure 30 is two hole brace schematic diagrames;
Figure 31 is motor winding parameter converter equivalent circuit diagram;
Figure 32 is the low or first gear equivalent circuit diagram of motor winding parameter convertor controls duplex-winding double-speed motor;
Figure 33 is the top gear equivalent circuit diagram of motor winding parameter convertor controls duplex-winding double-speed motor;
Figure 34 is the star connection equivalent circuit diagram of motor winding parameter convertor controls motor star/delta connection conversion;
Figure 35 is the delta connection equivalent circuit diagram of motor winding parameter convertor controls motor star/delta connection conversion;
Figure 36 is the top gear electrical schematic diagram of motor winding parameter convertor controls tapping formula varying speed motor;
Figure 37 is the bottom gear electrical schematic diagram of motor winding parameter convertor controls tapping formula varying speed motor;
The meaning of Fig. 1 to Figure 12 Chinese and English letter representation: D1 to D21 is terminal; T1 to T19 is fixed contact; A, B, C are three phase mains; L1 is Dual winding electric motor A phase first winding; L2 is Dual winding electric motor A phase second winding; L3 is Dual winding electric motor B phase first winding; L4 is Dual winding electric motor B phase second winding; L5 is Dual winding electric motor C phase first winding; L6 is Dual winding electric motor C phase second winding; L7 is the first electromagnetic contactor coil; L8 is the second electromagnetic contactor coil; L9 is single-winding motor A phase winding; L10 is single-winding motor B phase winding; L11 is single-winding motor C phase winding; L12-1 is tapped winding motor A phase Part I winding; L12-2 is tapped winding motor A phase Part II winding; L13-1 is tapped winding motor B phase Part I winding; L13-2 is tapped winding motor B phase Part II winding; L14-1 is tapped winding motor C phase Part I winding; L14-2 is tapped winding motor C phase Part II winding, and wherein L1, L2, L3, L4, L5, L6 parameter is equal; L9, L10, L11 parameter is equal; L12-1, L13-1, L14-1 parameter is equal; L12-2, L13-2, L14-2 parameter is equal.
In Fig. 1 to Figure 12: 1 first contactor; 2 terminal bases; 3 second contactors; 4 side covers; 5 solenoids; 6 permanent magnet installing racks; 7 moving contact traces; 8 fins; 9 nuts; 10 trip bolts; 11 iron cores; 12 coil racks; 13 springs; 14 permanent magnets; 15 fastening screw nail; 16 permanent magnet installing rack draw-in grooves; 17 moving contacts; 18 cylinder grooves; 19 cylinders are protruding; 20 nut caulking grooves; 21 3 hole braces; 22 2 hole braces; 23 moving contact installing holes; 24 installation feet; 25 short circuit versions; 26 contacts; 27 contact mounting panels; 28 sunk screws.
Embodiment
Refer to shown in Fig. 1, Fig. 2, Figure 17 and Figure 18, a kind of motor winding parameter converter, be made up of the first contactor (1), terminal base (2), the second contactor (3), side cover (4) and accessory, the arrangement of first contactor (1), terminal base (2), the second contactor (3), side cover (4) order is also assembled into an entirety by the mutual wedging of mortise structure that the place of being interconnected is provided with, and by trip bolt (10) and nut (9) fastening.
Refer to shown in Fig. 1, Fig. 3, Fig. 6, Fig. 9, Figure 12, Figure 13, Figure 14, Figure 15, Figure 16, Figure 17, Figure 18, Figure 29 and Figure 30, in motor winding parameter converter, the housing of the first contactor (1), terminal base (2), the second contactor (3) is all the box-like member be made up of interconnective five faces, edge, and side cover (4) is similar to the parts of cuboid for gabarit, the housing of side cover (4) and the first contactor (1), terminal base (2), the second contactor (3) forms through high temperature die casting by heat cured insulation material, is equipped with the groove for inlaying each parts in the housing of the first contactor (1), terminal base (2), the second contactor (3), first contactor (1), terminal base (2), need in second contactor (3) housing to be equipped with mutually corresponding through hole near the fixed contact that mutually electrically connects, i.e. the first contactor (1), terminal base (2), in second contactor (3), the through hole of same orientation continues mutually, make the space in through hole through to the second contactor (3) through terminal base (2) by the first contactor (1), so that three hole braces (21) and (or) two hole braces (22) are through to the second contactor (3) inside from the first contactor (1) is inner through terminal base (2), on the face that side cover (4) contacts with the first contactor (1), the position of corresponding each fixed contact and moving contact trace (7) is equipped with the fin (8) for stablizing above-mentioned parts, side cover (4) is gone up and the first contactor (1), terminal base (2), the housing of the second contactor (3) is equipped with and is no less than the through fastening screw nail (15) of four depths, the two ends of fastening screw nail (15) are respectively equipped with cylinder groove (18) and cylinder projection (19), the internal diameter of cylinder groove (18) equals the external diameter of cylinder projection (19), fastening screw nail (15) wherein on the second contactor (3) housing is provided with nut caulking groove (20) near the side end of nut (9) for coordinating with trip bolt (10) and is convenient to nut (9) and embeds wherein, side cover (4) is gone up and the first contactor (1), terminal base (2), on second contactor (3) housing, the fastening screw nail (15) of relevant position is mutually accurately corresponding respectively, so that side cover (4), first contactor (1), terminal base (2), the cylinder groove (18) of fastening screw nail (15) end of relevant position and cylinder projection (19) wedging continuing mutually respectively in each parts when second contactor (3) is assembled together, one is provided completely to run through the first contactor (1) to trip bolt (10), terminal base (2), the passage of the second contactor (3) three parts, first contactor (1) and the second contactor (3) hull outside appropriate location are provided with the installation foot (24) of fixed motor winding parameter converter.
Refer to shown in Fig. 5, Figure 11, Figure 19, Figure 20, Figure 21, Figure 22 Figure 24, Figure 25, Figure 26, Figure 27 and Figure 28, electromagnetism tractor in first contactor (1) and the second contactor (3) is magnetic freeze mode direct solenoid mechanism, comprises solenoid (5), iron core (11), permanent magnet installing rack (6), moving contact trace (7), permanent magnet (14), solenoid (5) is formed in the upper coiling of coil rack (12) by copper paint envelope curve, and the centre bore of coil rack (12) is built with through iron core (11), be provided with the permanent magnet installing rack (6) of the square frame-shaped be made up of metal material that can move back and forth along iron core (11) magnetic fields face vertical direction in the housing draw-in groove that coil rack (12) is peripheral, the position corresponding with two magnetic fields faces of iron core (11), permanent magnet installing rack (6) inner side is separately installed with the permanent magnet (14) that gabarit that rare earth permanent-magnetic material makes is cuboid, two permanent magnets (14) are that namely same polarity is all N pole or is all S pole towards the magnetic fields face of iron core (11), moving contact trace (7) is formed through high temperature die casting by heat cured insulation material, be the part of cuboid and the profiled parts of permanent magnet installing rack draw-in groove (16) incorporating aspects by gabarit, the part of the cuboid of moving contact trace (7) is provided with multiple moving contact installing hole (23), in each moving contact installing hole (23), one or two moving contact (17) is installed, moving contact (17) in each moving contact installing hole (23) and the spring (13) be all equipped with between hole wall or in the middle of two moving contacts (17) for increasing contact reliability between moving contact (17) and fixed contact, moving contact trace (7) is fixed together with permanent magnet installing rack (6) by permanent magnet installing rack draw-in groove (16) and sunk screw (28), thus make to be provided with the moving contact trace (7) of organizing moving contact (17) more and move under the effect in solenoid (5) operating fields and two permanent magnet (14) magnetic fields with permanent magnet installing rack (6), and then complete the open and close between contact.
When the power input of solenoid (5) passes into the direct current of a direction, polarity one end, two magnetic fields faces of iron core (11) is the N level other end is S pole, force in two permanent magnets (14) on permanent magnet installing rack (6), one is repelled mutually because of identical with iron core (11) magnetic fields face polarity, another attracts each other because of different with iron core (11) magnetic fields face polarity, thus drives permanent magnet installing rack (6), contact trace (7) and moving contact (17) action, can stop power supply when the permanent magnet (14) attracted each other is inhaled be combined together with iron core (11), iron core (11) loses initiatively magnetic field, but permanent magnet (14) still can keep reliable attracting state with iron core (11), when the power input of solenoid (5) passes into the direct current contrary with last direction, two magnetic fields face polarity of iron core (11) can be contrary with last time, namely last time is that the side of N level can become S pole, last time is that the side of S level can become N pole, originally and the permanent magnet (14) of side that repels of iron core (11) become and attract fit and still keep attracting state after a loss of power with iron core (11), thus drive permanent magnet installing rack (6), contact trace (7) and moving contact (17) action, produce the mechanical action contrary with last direction.
Refer to shown in Fig. 3, Fig. 4, Fig. 5, Figure 19, Figure 24, Figure 29 and Figure 30, the first contactor (1) is by housing and be embedded in the electromagnetism tractor of enclosure interior, multiple moving contact (17), fixed contact T1, T2, T3, T6, T7, T8, T11, T12, T13, T16, T17 and accessory and form; Two lead-in wires of solenoid (5) are connected with terminal D16, D17 of being installed on housing; In first contactor (1), fixed contact T1, T2, T3, T6, T7, T8, T11, T12, T13, T16, T17 are formed by contact (26) and contact mounting panel (27), contact mounting panel (27) is made up of the copper coin bending to suitable shape, its appropriate location, one end is provided with contact (26), the other end is provided with the end face for electrically connecting; Two contacts (26) are equipped with in fixed contact T2, T7, T12, end face for electrically connecting in fixed contact T2, T7, T12 extends to outside and uses as binding post, end face for electrically connecting in fixed contact T1, T3, T6, T8, T11, T13, T17 is positioned at enclosure interior, for being connected with terminal corresponding in terminal base (2) and the second contactor (3) or fixed contact through corresponding through hole by three hole braces (21) and (or) two hole braces (22); First contactor (1) middle fixed contact T1, T2, T3, T6, T7, T8, T11, T12, T13 and the moving contact (17) coordinated with it form three groups of main contact groups, and fixed contact T16, T17 and the moving contact (17) coordinated with it form one group of auxiliary contact group.
Refer to shown in Fig. 6, Fig. 7, Fig. 8, Figure 23, Figure 29 and Figure 30, terminal base (2) is made up of with the multiple identical special-shaped conductive plate being embedded in enclosure interior housing; In terminal base (2), the two ends of each special-shaped conductive plate are equipped with the terminal for electrically connecting, wherein terminal D4, D2, D9, D7, D14, D12, D21 extends to outside, for linking with outside electric system, terminal D5, D3, D10, D8, D15, D13, D20 are positioned at enclosure interior, for being connected with fixed contact corresponding in the first contactor (1) and the second contactor (3) through corresponding through hole by three hole braces (21) and (or) two hole braces (22).
Refer to shown in Fig. 9, Figure 10, Figure 11, Figure 21, Figure 24 Figure 29 and Figure 30, the second contactor (3) is by housing and be embedded in the electromagnetism tractor of enclosure interior, multiple moving contact (17), fixed contact T4, T5, T9, T10, T14, T15, T18, T19 and accessory and form; Two lead-in wires of solenoid (5) are connected with terminal D18, D19 of being installed on housing; In second contactor (3), fixed contact T4, T5, T9, T10, T14, T15, T18, T19 are formed by contact (26) and contact mounting panel (27), contact mounting panel (27) is made up of the copper coin bending to suitable shape, its appropriate location, one end is provided with contact (26), the other end is provided with the end face for electrically connecting; End face for electrically connecting in fixed contact T5, T10, T15 all links together with short board (25); End face for electrically connecting in fixed contact T19 extends to outside and uses as binding post, end face for electrically connecting in fixed contact T4, T5, T9, T10, T14, T15, T18 is positioned at enclosure interior, for being connected with terminal corresponding in terminal base (2) and the first contactor (1) and fixed contact through corresponding through hole by three hole braces (21) and (or) two hole braces (22); Second contactor (3) middle fixed contact T4, T5, T9, T10, T14, T15 and the moving contact (17) coordinated with it form three groups of main contact groups, and fixed contact T18, T19 and the moving contact (17) coordinated with it form one group of auxiliary contact group; Second contactor (3) outside appropriate location is provided with separately independently terminal D1, D6, D11, and terminal D1, D6, D11 are used for facilitating external cabling, does not form any connection with motor winding parameter converter inside.
Refer to Figure 19, Figure 23, Figure 21, Figure 29, Figure 30, Figure 31, Figure 32, Figure 33, Figure 34, Figure 35, shown in Figure 36 and Figure 37, first contactor (1), terminal base (2), connected by multiple three hole braces (21) and (or) two hole braces (22) between the inner corresponding fixed contact of second contactor (3) or terminal, thus three relatively independent component combinations are become an overall Circuits System, by using the selectivity of three hole braces (21) and two hole braces (22), can adjust the function of motor winding parameter converter, the demand of occasion is controlled with satisfied difference, the electromagnetism tractor of function is kept to drive each contact to complete switching action by with magnetic in first contactor (1) and the second contactor (3), be respectively equipped with at least three main contact groups and at least one auxiliary contact group in first contactor (1) and the second contactor (3), each main contact group and auxiliary contact group form by moving contact (17) and the fixed contact that is mated, fixed contact T5, T10, T15 in second contactor (3) are linked together by short board (25), the solenoid of the first contactor (1), the second contactor (3) is relatively independent, by controlling the different operating combinations of states of the first contactor (1) and the second contactor (3), can make to form different break-make compositions of relations between each fixed contact and each terminal, and then the state modulator to motor winding can be realized.
Refer to shown in Figure 19, Figure 21, Figure 23, Figure 29, Figure 30, Figure 31, Figure 32 and Figure 33, during motor winding parameter convertor controls duplex-winding double-speed motor, respectively the fixed contact T3 in the terminal D3 in terminal base (2), the first contactor (1), the fixed contact T4 in the second contactor (3) are linked together with four three hole braces (21); Fixed contact T8 in terminal D8 in terminal base (2), the first contactor (1), the fixed contact T9 in the second contactor (3) are linked together; Fixed contact T13 in terminal D13 in terminal base (2), the first contactor (1), the fixed contact T14 in the second contactor (3) are linked together; Fixed contact T17 in terminal D20 in terminal base (2), the first contactor (1), the fixed contact T18 in the second contactor (3) are linked together.Respectively the fixed contact T1 in the terminal D5 in terminal base (2), the first contactor (1) is linked together with three two hole braces (22); Fixed contact T6 in terminal D10 in terminal base (2), the first contactor (1) is linked together; Fixed contact T11 in terminal D15 in terminal base (2), the first contactor (1) is linked together; A phase power supply is connected to terminal D1 and D4; B phase power supply is connected to terminal D6 and D9; C phase power supply is connected to terminal D11 and D14; The head end connecting terminal D1 of winding L 1, tail end connecting terminal D2; The head end of winding L 2 meets fixed contact T2, and tail end connects neutral point; The head end connecting terminal D6 of winding L 3, tail end connecting terminal D7; The head end of winding L 4 meets fixed contact T7, and tail end connects neutral point; The head end connecting terminal D11 of winding L 5, tail end connecting terminal D12; The head end of winding L 6 meets fixed contact T12, and tail end connects neutral point.
Refer to shown in Figure 32, motor winding parameter converter is by contact switching action, and connected by fixed contact T2 and T3 wherein, fixed contact T4 and T5 disconnects; Fixed contact T7 and T8 connects, and fixed contact T9 and T10 disconnects; Fixed contact T12 and T13 connects, and fixed contact T14 and T15 disconnects; Fixed contact T16 and T17 disconnects, and fixed contact T18 and T19 disconnects, L1 and the L2 series connection now in motor A phase winding; L3 and L4 series connection in A phase winding; L5 and L6 series connection in C phase winding, motor is in bottom gear.
Refer to shown in Figure 33, motor winding parameter converter is by contact switching action, and connected by fixed contact T2 and T1 wherein, fixed contact T4 and T5 connects; Fixed contact T7 and T6 connects, and fixed contact T9 and T10 connects; Fixed contact T12 and T11 connects, and fixed contact T14 and T15 connects; Fixed contact T16 and T17 connects, and fixed contact T18 and T19 connects, L1 and the L2 head end now in motor A phase winding connects A phase power supply respectively, L1 with L2 tail end is connected neutral point respectively; L3 and L4 head end in B phase winding connects B phase power supply respectively, L3 with L4 tail end is connected neutral point respectively; L5 and L6 head end in C phase winding connects C phase power supply respectively, L5 with L6 tail end is connected neutral point respectively, because L1, L2, L3, L4, L5, L6 parameter is equal, so L1 and L2 be equivalent under this state in A phase winding is in parallel; L3 and L4 in B phase winding is in parallel; L5 and L6 in C phase winding is in parallel, and motor is in top gear.
Refer to shown in Figure 19, Figure 21, Figure 23, Figure 29, Figure 30, Figure 34 and Figure 35, during the conversion of motor winding parameter convertor controls single-winding motor star/delta connection, respectively the fixed contact T3 in the terminal D3 in terminal base (2), the first contactor (1), the fixed contact T4 in the second contactor (3) are linked together with four three hole braces (21); Fixed contact T8 in terminal D8 in terminal base (2), the first contactor (1), the fixed contact T9 in the second contactor (3) are linked together; Fixed contact T13 in terminal D13 in terminal base (2), the first contactor (1), the fixed contact T14 in the second contactor (3) are linked together; Fixed contact T17 in terminal D20 in terminal base (2), the first contactor (1), the fixed contact T18 in the second contactor (3) are linked together.Respectively the fixed contact T1 in the terminal D5 in terminal base (2), the first contactor (1) is linked together with three two hole braces (22); Fixed contact T6 in terminal D10 in terminal base (2), the first contactor (1) is linked together; Fixed contact T11 in terminal D15 in terminal base (2), the first contactor (1) is linked together; A phase power supply is connected to terminal D1 and fixed contact T12; B phase power supply is connected to terminal D6 and fixed contact T2; C phase power supply is connected to terminal D11 and fixed contact T7.The head end connecting terminal D1 of winding L 9, tail end connecting terminal D2; The head end connecting terminal D6 of winding L 10, tail end connecting terminal D7; The head end connecting terminal D11 of winding L 11, tail end connecting terminal D12;
Refer to shown in Figure 34, motor winding parameter converter is by contact switching action, and disconnected by fixed contact T2 and T3 wherein, fixed contact T4 and T5 connects; Fixed contact T7 and T8 disconnects, and fixed contact T9 and T10 connects; Fixed contact T12 and T13 disconnects, and fixed contact T14 and T15 connects; Fixed contact T16 and T17 connects, and fixed contact T18 and T19 connects, and now motor three-phase windings is star connection.
Refer to shown in Figure 35, motor winding parameter converter is by contact switching action, and connected by fixed contact T2 and T3 wherein, fixed contact T4 and T5 disconnects; Fixed contact T7 and T8 connects, and fixed contact T9 and T10 disconnects; Fixed contact T12 and T13 connects, and fixed contact T14 and T15 disconnects; Fixed contact T16 and T17 disconnects, and fixed contact T18 and T19 disconnects, and now motor three-phase windings is delta connection.
Refer to shown in Figure 19, Figure 21, Figure 23, Figure 29, Figure 30, Figure 36 and Figure 37, during the tapped winding varying speed motor of motor winding parameter convertor controls, with three hole braces (21), the fixed contact T17 in the terminal D20 in terminal base (2), the first contactor (1), the fixed contact T18 in the second contactor (3) are linked together; Respectively the fixed contact T3 in the terminal D3 in terminal base (2), the first contactor (1) is linked together with six two hole braces (22); Fixed contact T8 in terminal D8 in terminal base (2), the first contactor (1) is linked together; Fixed contact T13 in terminal D13 in terminal base (2), the first contactor (1) is linked together; Fixed contact T1 in terminal D5 in terminal base (2), the first contactor (1) is linked together; Fixed contact T6 in terminal D10 in terminal base (2), the first contactor (1) is linked together; Fixed contact T11 in terminal D15 in terminal base (2), the first contactor (1) is linked together; A phase power supply is connected to the fixed contact T2 in the first contactor (1); B phase power supply is connected to the fixed contact T7 in the first contactor (1); C phase power supply is connected to the fixed contact T12 in the first contactor (1); The A phase winding head end connecting terminal D2 of L12-1 and L12-2 composition, tail end connects neutral point; The B phase winding head end connecting terminal D7 of L13-1 and L13-2 composition, tail end connects neutral point; The C phase winding head end connecting terminal D12 of L14-1 and L14-2 composition, tail end connects neutral point; The centre tap of winding L 12-1 and L12-2 is connected to the terminal D4 in terminal base (2); The centre tap of winding L 13-1 and L13-2 is connected to the terminal D9 in terminal base (2); The centre tap of winding L 14-1 and L14-2 is connected to the terminal D14 in terminal base (2).
Refer to shown in Figure 36, motor winding parameter converter is by contact switching action, and connected by fixed contact T2 and T1 wherein, fixed contact T4 and T5 disconnects; Fixed contact T6 and T7 connects, and fixed contact T9 and T10 disconnects; Fixed contact T11 and T12 connects, and fixed contact T14 and T15 disconnects; Fixed contact T16 and T17 connects, and fixed contact T18 and T19 disconnects, and now motor is top gear.
Refer to shown in Figure 37, motor winding parameter converter is by contact switching action, and connected by fixed contact T2 and T3 wherein, fixed contact T4 and T5 disconnects; Fixed contact T7 and T8 connects, and fixed contact T9 and T10 disconnects; Fixed contact T12 and T13 connects, and fixed contact T14 and T15 disconnects; Fixed contact T16 and T17 disconnects, and fixed contact T18 and T19 disconnects, and now motor is bottom gear.
The foregoing is only preferred embodiment of the present utility model, not the utility model is done to the restriction on any form and structure and parameters, every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (6)
1. a motor winding parameter converter, comprise the first contactor (1), terminal base (2), the second contactor (3), side cover (4), it is characterized in that: the arrangement of the first contactor (1), terminal base (2), the second contactor (3), side cover (4) order is also assembled into an entirety by the mutual wedging of mortise structure that the place of being interconnected is provided with, and by trip bolt (10) and nut (9) fastening; Connected by multiple three hole braces (21) and (or) two hole braces (22) between the inner corresponding fixed contact of first contactor (1), terminal base (2), the second contactor (3) or terminal, thus three relatively independent component combinations are become an overall Circuits System, by using the selectivity of three hole braces (21) and two hole braces (22), can adjust the function of motor winding parameter converter, control the demand of occasion with satisfied difference; The electromagnetism tractor of function is kept to drive each contact to complete switching action by with magnetic in first contactor (1) and the second contactor (3); Be respectively equipped with at least three main contact groups and at least one auxiliary contact group in first contactor (1) and the second contactor (3), each main contact group and auxiliary contact group form by moving contact (17) and the fixed contact that is mated; Fixed contact T5, T10, T15 in second contactor (3) are linked together by short board (25); The solenoid of the first contactor (1), the second contactor (3) is relatively independent, by controlling the different operating combinations of states of the first contactor (1) and the second contactor (3), can make to form different break-make compositions of relations between each fixed contact and each terminal, and then realize the control to motor winding parameter.
2. motor winding parameter converter according to claim 1, is characterized in that: the housing of wherein said the first contactor (1), terminal base (2), the second contactor (3) is all the box-like member be made up of interconnective five faces, edge, side cover (4) is similar to the parts of cuboid for gabarit, the housing of side cover (4) and the first contactor (1), terminal base (2), the second contactor (3) forms through high temperature die casting by heat cured insulation material, is equipped with the groove for inlaying each parts in the housing of the first contactor (1), terminal base (2), the second contactor (3), need in first contactor (1), terminal base (2), the second contactor (3) housing to be equipped with mutually corresponding through hole near the fixed contact that mutually electrically connects, so that three hole braces (21) and (or) two hole braces (22) are from the first contactor (1), inner to be through to the second contactor (3) through terminal base (2) inner, on the face that side cover (4) contacts with the first contactor (1), the position of corresponding each fixed contact and moving contact trace (7) is equipped with the fin (8) for stablizing above-mentioned parts, side cover (4) is gone up and the first contactor (1), terminal base (2), the housing of the second contactor (3) is equipped with and is no less than the through fastening screw nail (15) of four depths, the two ends of fastening screw nail (15) are respectively equipped with cylinder groove (18) and cylinder projection (19), the internal diameter of cylinder groove (18) equals the external diameter of cylinder projection (19), fastening screw nail (15) wherein on the second contactor (3) housing is provided with nut caulking groove (20) near a side end of the nut (9) for coordinating with trip bolt (10), so that nut (9) embeds wherein, side cover (4) is gone up and the first contactor (1), terminal base (2), on second contactor (3) housing, the fastening screw nail (15) of relevant position is mutually accurately corresponding respectively, so that side cover (4), first contactor (1), terminal base (2), the cylinder groove (18) of fastening screw nail (15) end of relevant position and cylinder projection (19) wedging continuing mutually respectively in each parts when second contactor (3) is assembled together, one is provided completely to run through the first contactor (1) to trip bolt (10), terminal base (2), the passage of the second contactor (3) three parts, first contactor (1) and the second contactor (3) hull outside appropriate location are provided with the installation foot (24) of fixed motor winding parameter converter.
3. motor winding parameter converter according to claim 2, is characterized in that: the electromagnetism tractor in wherein said the first contactor (1) and the second contactor (3) comprises solenoid (5), iron core (11), permanent magnet installing rack (6), moving contact trace (7), permanent magnet (14), solenoid (5) is formed in the upper coiling of coil rack (12) by copper paint envelope curve, and the centre bore of coil rack (12) is built with through iron core (11), be provided with the permanent magnet installing rack (6) of the square frame-shaped be made up of metal material that can move back and forth along iron core (11) magnetic fields face vertical direction in the housing draw-in groove that coil rack (12) is peripheral, the position corresponding with two magnetic fields faces of iron core (11), permanent magnet installing rack (6) inner side is separately installed with the permanent magnet (14) that gabarit that rare earth permanent-magnetic material makes is cuboid, two permanent magnets (14) are that namely same polarity is all N pole or is all S pole towards the magnetic fields face of iron core (11), moving contact trace (7) is formed through high temperature die casting by heat cured insulation material, be the part of cuboid and the profiled parts of permanent magnet installing rack draw-in groove (16) incorporating aspects by gabarit, the part of the cuboid of moving contact trace (7) is provided with multiple moving contact installing hole (23), in each moving contact installing hole (23), one or two moving contact (17) is installed, moving contact (17) in each moving contact installing hole (23) and the spring (13) be all equipped with between hole wall or in the middle of two moving contacts (17) for increasing contact reliability between moving contact (17) and fixed contact, moving contact trace (7) is fixed together with permanent magnet installing rack (6) by permanent magnet installing rack draw-in groove (16) and sunk screw (28), thus make to be provided with the moving contact trace (7) of organizing moving contact (17) more and move under the effect in solenoid (5) operating fields and two permanent magnet (14) magnetic fields with permanent magnet installing rack (6), and then complete the open and close between contact.
4. motor winding parameter converter according to claim 3, is characterized in that: wherein said the first contactor (1) is by housing and be embedded in the electromagnetism tractor of enclosure interior, multiple moving contact (17), fixed contact T1, T2, T3, T6, T7, T8, T11, T12, T13, T16, T17 and accessory and form; Two lead-in wires of solenoid (5) are connected with terminal D16, D17 of being installed on housing; In first contactor (1), fixed contact T1, T2, T3, T6, T7, T8, T11, T12, T13, T16, T17 are formed by contact (26) and contact mounting panel (27), contact mounting panel (27) is made up of the copper coin bending to suitable shape, its appropriate location, one end is provided with contact (26), the other end is provided with the end face for electrically connecting; Two contacts (26) are equipped with in fixed contact T2, T7, T12, end face for electrically connecting in fixed contact T2, T7, T12 extends to outside and uses as binding post, end face for electrically connecting in fixed contact T1, T3, T6, T8, T11, T13, T17 is positioned at enclosure interior, for being connected with terminal corresponding in terminal base (2) and the second contactor (3) or fixed contact through corresponding through hole by three hole braces (21) and (or) two hole braces (22); First contactor (1) middle fixed contact T1, T2, T3, T6, T7, T8, T11, T12, T13 and the moving contact (17) coordinated with it form three groups of main contact groups, and fixed contact T16, T17 and the moving contact (17) coordinated with it form one group of auxiliary contact group.
5. motor winding parameter converter according to claim 4, is characterized in that: wherein said terminal base (2) is made up of with the multiple identical special-shaped conductive plate being embedded in enclosure interior housing; In terminal base (2), the two ends of each special-shaped conductive plate are equipped with the terminal for electrically connecting, wherein terminal D4, D2, D9, D7, D14, D12, D21 extends to outside, for linking with outside electric system, terminal D5, D3, D10, D8, D15, D13, D20 are positioned at enclosure interior, for being connected with fixed contact corresponding in the first contactor (1) and the second contactor (3) through corresponding through hole by three hole braces (21) and (or) two hole braces (22).
6. motor winding parameter converter according to claim 5, is characterized in that: wherein said the second contactor (3) is by housing and be embedded in the electromagnetism tractor of enclosure interior, multiple moving contact (17), fixed contact T4, T5, T9, T10, T14, T15, T18, T19 and accessory and form; Two lead-in wires of solenoid (5) are connected with terminal D18, D19 of being installed on housing; In second contactor (3), fixed contact T4, T5, T9, T10, T14, T15, T18, T19 are formed by contact (26) and contact mounting panel (27), contact mounting panel (27) is made up of the copper coin bending to suitable shape, its appropriate location, one end is provided with contact (26), the other end is provided with the end face for electrically connecting; End face for electrically connecting in fixed contact T5, T10, T15 all links together with short board (25); End face for electrically connecting in fixed contact T19 extends to outside and uses as binding post, end face for electrically connecting in fixed contact T4, T5, T9, T10, T14, T15, T18 is positioned at enclosure interior, for being connected with terminal corresponding in terminal base (2) and the first contactor (1) and fixed contact through corresponding through hole by three hole braces (21) and (or) two hole braces (22); Second contactor (3) middle fixed contact T4, T5, T9, T10, T14, T15 and the moving contact (17) coordinated with it form three groups of main contact groups, and fixed contact T18, T19 and the moving contact (17) coordinated with it form one group of auxiliary contact group; Second contactor (3) outside appropriate location is provided with separately independently terminal D1, D6, D11, and terminal D1, D6, D11 are used for facilitating external cabling, does not form any connection with motor winding parameter converter inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420852023.0U CN204376800U (en) | 2014-12-30 | 2014-12-30 | motor winding parameter converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420852023.0U CN204376800U (en) | 2014-12-30 | 2014-12-30 | motor winding parameter converter |
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| Publication Number | Publication Date |
|---|---|
| CN204376800U true CN204376800U (en) | 2015-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420852023.0U Withdrawn - After Issue CN204376800U (en) | 2014-12-30 | 2014-12-30 | motor winding parameter converter |
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| CN (1) | CN204376800U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104467615A (en) * | 2014-12-30 | 2015-03-25 | 刘浩 | Motor winding parameter converter |
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2014
- 2014-12-30 CN CN201420852023.0U patent/CN204376800U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104467615A (en) * | 2014-12-30 | 2015-03-25 | 刘浩 | Motor winding parameter converter |
| CN104467615B (en) * | 2014-12-30 | 2017-06-13 | 刘浩 | motor winding parameter converter |
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Granted publication date: 20150603 Effective date of abandoning: 20170613 |