CN203522348U - Motor - Google Patents
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- CN203522348U CN203522348U CN201320608196.3U CN201320608196U CN203522348U CN 203522348 U CN203522348 U CN 203522348U CN 201320608196 U CN201320608196 U CN 201320608196U CN 203522348 U CN203522348 U CN 203522348U
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Abstract
The utility model provides a motor, and belongs to the technical field of motors. The motor solves a problem that the motor rotation speed of an existing motor can not be regulated rapidly and conveniently. The motor comprises a stator iron core and a permanent magnetic rotor. The stator iron core is provided with a plurality of motor driving units of the same structure in the circumferential direction. The motor driving units are used for driving the permanent magnetic rotor to rotate. Each motor driving unit is composed of at least three same stator windings and each stator winding forms one group. Each phase of the stator winding is composed of one or more continuously adjacent coils. Each phase of the stator winding in each motor driving unit comprises an input terminal used to be connected with alternating current and power transformation and a wiring terminal used to be connected with the input terminal of the stator windings in other motor driving units. The same-phase stator windings in the motor driving units are in series connection. The wiring terminals of all the stator windings in the motor driving unit at the tail end are connected to one point after series connection. The motor achieves multi-rotation-speed and multi-gear-power output of motors.
Description
Technical field
The utility model belongs to technical field of motors, relates to a kind of motor.
Background technology
In modern society, motor, as a kind of important device that can be mechanical energy by electric energy conversion, is widely applied in industrial and agricultural production and daily life.Existing motor only has fixing power output conventionally, and during machine operation, all coils is all switched on.
For example, Chinese patent [patent No. ZL200920036999.X; Granted publication CN201365146Y] a kind of permanent magnet is embedded in the magneto that stator upper rotor part is salient pole, permanent magnet is embedded in the stator of motor, armature winding is centralized winding, each stator poles cover has a coil, the both sides of coil lay respectively in the stator slot of stator poles both sides, in each stator slot, have the limit of two coils, coil quantity and stator poles equate: to three phase electric machine, two coils in face-to-face stator poles are together in series and form a phase armature winding; To monophase machine, all coils is forward together in series and forms single-phase armature winding.
This magneto causes a large amount of wastes of electric energy under the not high operational environment of load due to the zero load of motor, for energy savings, people have designed and developed a kind of twin coil series connecting energy saving motor, and has applied for Chinese patent [patent No. ZL99220167.5; Granted publication CN2369398Y], should be formed by stator, rotor and support, on the stator of motor, there are two windings, the end of large winding is connected together, and is connected into Y type, and the end of little winding, by the head end at large winding, is connected.The ratio of the deficient number of little winding and large winding is in the scope of 1:5-1:2.After two windings in series, the head end of little winding (three-phase) is drawn on one group of terminal receiving terminal box, and tap is drawn in the centre of two windings, and tap is received on one group of terminal of terminal box.In terminal box, have two groups of binding posts, every group has three terminals.Two groups of binding posts can connect respectively two A.C. contactors, closed while controlling two A.C. contactors differences with interlock circuit.
Above-mentioned twin coil series connecting energy saving motor, to select the mode of connection according to loading condition, energy-conservation object while reaching underloading.But the problem that this twin coil series connecting energy saving motor exists is: 1, the quantity of winding only has two, and correspondence only has two operate powers, is not suitable for the king-sized equipment of electric motor car even load amplitude of variation; 2, motor cannot be realized the quick and convenient adjusting of motor speed; 3, the energy consumption of motor still cannot be effectively controlled.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of motor, and the technical problem that the utility model solves is to have realized many rotating speeds of motor, many grades of power stages.
The purpose of this utility model can realize by following technical proposal: a kind of motor, comprise stator core and p-m rotor, it is characterized in that, on described stator core, edge is circumferentially provided with several electric-motor drive units for driving p-m rotor to rotate with same structure continuously, each electric-motor drive unit is comprised of at least three identical stator winding, each stator winding is a phase, every phase stator winding forms by the coil of one or more continuous adjacent, every phase stator winding in each electric-motor drive unit includes an input and terminals that are connected for the input with other electric-motor drive unit stator winding for being connected with alternation electricity, homophase stator winding series connection in described several electric-motor drive units, the terminals of all stator winding after series connection in end electric-motor drive unit interconnect.
The electric-motor drive unit that this motor can be worked independently by several forms, homophase stator winding series connection in several electric-motor drive units, head and the tail are not connected, on the terminals of all stator winding after series connection in the electric-motor drive unit of end are connected to a bit, this motor is by changing the position of the access input of alternation electricity, realize one or more electric-motor drive unit work, make this motor possess different power outputs, be equivalent to the common driving device equipment of a plurality of motors.When this motor is during in light condition, by the input of alternation electricity input end electric-motor drive unit, this motor only has an electric-motor drive unit in running order, this motor is realized under small-power state and moved, reduced the no-load loss of motor, good energy-conserving effect; Along with the increase of load, correspondingly change the input of alternation electricity access, so that more electric-motor drive unit obtains electric rear work, the power output of motor increases gradually; When load approaches limiting figure, by the input of alternation electricity input head end electric-motor drive unit, now all electric-motor drive units are in running order, and motor is realized the output of maximum power, meets power needs.The different modes of connection of this motor have realized the work of many grades of power ratings of motor, are equivalent to adopt the motor of different capacity to drive under different loads environment, have met the requirement of energy-conserving and environment-protective, and simple in structure, and production cost is lower.
As preferred version, in above-mentioned motor, described electric-motor drive unit has three at least, and the homophase stator winding between adjacent electric-motor drive unit is connected successively, and the terminals of all stator winding after series connection in end electric-motor drive unit interconnect.In this motor, electric-motor drive unit has three at least, can make motor can realize at least switching of third gear power, has met the needs of the king-sized equipment of electric motor car even load amplitude of variation.
As another kind of scheme, in above-mentioned motor, described electric-motor drive unit is even number, homophase stator winding series connection in two symmetrical electric-motor drive units, terminals after series connection are connected with the input of another two symmetrical electric-motor drive units, and after series connection, the terminals of all stator winding in end electric-motor drive unit interconnect successively.Adopt symmetrical structure, symmetrical electric-motor drive unit is worked simultaneously, p-m rotor is rotated more steady.
In above-mentioned motor, described each stator winding is comprised of a coil, and one end of described coil is input, and the other end is terminals.
As another kind of scheme, in above-mentioned motor, described each stator winding is comprised of the coil of three continuous adjacent, and described coil is connected successively, and after series connection, one end of coil is input, and the other end is terminals.
As preferred version, in above-mentioned motor, at least in each stator winding in an electric-motor drive unit, constant speed tap is set.By constant speed tap is set at least one electric-motor drive unit, can make motor there is a definite rotating speed, be convenient to determining electric machine operation state.
As preferred version, in above-mentioned motor, each phase stator winding in each electric-motor drive unit is circumferentially uniformly distributed along stator core, and the phase angle of every phase stator winding is identical.During machine operation, because the phase angle of every phase stator winding is identical, make the stressed more even of p-m rotor, improved the stability of machine operation.
In above-mentioned motor, the position of each electric-motor drive unit is adjacent, and the every phase stator winding position in each electric-motor drive unit is adjacent.
Compared with prior art, the advantage of this motor is:
1, this motor adopts the mode that a plurality of electric-motor drive units are connected successively, and on each electric-motor drive unit, draws tap as the input of input alternation electricity, has realized the switching of many grades of power of motor, has reduced the no-load loss of motor, good energy-conserving effect.
2, the wiring construction of this motor is simple, can complete coiling processing by existing method for winding or automatic winding equipment, and production cost is lower.
3, this motor adopts symmetrical structure, and symmetrical electric-motor drive unit is worked simultaneously, p-m rotor is rotated more steady.
Accompanying drawing explanation
Fig. 1 is the wiring construction schematic diagram of this motor stator core in embodiment mono-.
Fig. 2 is the wiring construction schematic diagram of this motor stator core in embodiment bis-.
Fig. 3 is the wiring construction schematic diagram of this motor stator core in embodiment tri-.
Fig. 4 is the wiring construction schematic diagram of this motor stator core in embodiment tetra-.
Fig. 5 is the wiring construction schematic diagram of this motor stator core in embodiment tetra-.
Fig. 6 is the decomposition texture schematic diagram of A phase connection in Fig. 1.
Fig. 7 is the decomposition texture schematic diagram of B phase connection in Fig. 1.
Fig. 8 is the decomposition texture schematic diagram of C phase connection in Fig. 1.
In figure, 1, stator core; 2, stator winding; 3, input; 4, constant speed tap; 5, electric-motor drive unit; 5a, electric-motor drive unit one; 5b, electric-motor drive unit two; 5c, electric-motor drive unit three; 5d, electric-motor drive unit four.
Embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
Embodiment mono-:
This motor comprises stator core and p-m rotor, on stator core, edge is circumferentially provided with several electric-motor drive units for driving p-m rotor to rotate with same structure continuously, each electric-motor drive unit is comprised of at least three identical stator winding, each stator winding is a phase, every phase stator winding forms by the coil of one or more continuous adjacent, every phase stator winding in each electric-motor drive unit includes an input and terminals that are connected for the input with other electric-motor drive unit stator winding for being connected with alternation electricity, homophase stator winding series connection in several electric-motor drive units, the terminals of all stator winding after series connection in end electric-motor drive unit interconnect.
As preferably, each phase stator winding in each electric-motor drive unit is circumferentially uniformly distributed along stator core, and the phase angle of every phase stator winding is identical.During machine operation, because the phase angle of every phase stator winding is identical, make the stressed more even of p-m rotor, improved the stability of machine operation.
As preferably, the position of each electric-motor drive unit is adjacent, and the every phase stator winding position in each electric-motor drive unit is adjacent.
As shown in Figure 1, in the present embodiment one, electric-motor drive unit has three at least, and the homophase stator winding of adjacent electric-motor drive unit is connected successively, and the terminals of all stator winding after series connection in end electric-motor drive unit interconnect.Make motor can realize at least switching of third gear power, met the needs of the king-sized equipment of electric motor car even load amplitude of variation.In the present embodiment, electric-motor drive unit be take four as example, difference called after electric-motor drive unit one, electric-motor drive unit two, electric-motor drive unit three and electric-motor drive unit four, these four electric-motor drive units are along circumferentially distributing successively on stator core, and each electric-motor drive unit is comprised of the stator winding of three continuous adjacent, and each stator winding is a phase, be respectively A, B, C three-phase, every phase stator winding is comprised of a coil, and one end of coil is input, and the other end is terminals, as Fig. 1, Fig. 6, shown in Fig. 7 and Fig. 8, A in electric-motor drive unit one, B, the terminals of C threephase stator winding connect with the input of corresponding phase in electric-motor drive unit two respectively, A in electric motor units two, B, the terminals of C threephase stator winding connect with the input of corresponding phase in electric-motor drive unit three respectively, A in electric motor units three, B, the terminals of C threephase stator winding connect with the input of corresponding phase in electric-motor drive unit four respectively, electric-motor drive unit four is end electric-motor drive unit in the present embodiment, A in this electric-motor drive unit four, B, the terminals of C threephase stator winding are connected on any with the mode of connection of Y shape.
In actual production and manufacture process, except electric-motor drive unit one, remaining electric-motor drive unit does not need each to draw tap as the input being electrically connected to alternation, can arrange according to actual needs.The structure of stator core and p-m rotor can adopt inner rotor core, and the structure of corresponding stator core as shown in Figure 1; The structure of stator core and p-m rotor also can adopt outer-rotor structure, and the structure of corresponding stator core as shown in Figure 2.
The operation principle of this motor is: in this motor, each electric-motor drive unit all can work independently, and when alternation electricity is accessed to the input of electric-motor drive unit one, four electric-motor drive units in this motor are all worked, and motor is realized maximum power output; By changing the on-position of alternation electricity, realize one or more electric-motor drive unit work, make this motor realize many grades of power stages.When motor is during in light condition, by the input of alternation electricity access electric-motor drive unit four, now only have the work of electric-motor drive unit four-way electricity, this motor can move under small-power state, has reduced the no-load loss of motor, good energy-conserving effect; Along with the increase of load, by the alternation electricity access input of electric-motor drive unit three or the input of electric-motor drive unit two, make more electric-motor drive unit obtain electric work, the power output of motor increases gradually; When load approaches limiting figure, the input by alternation electricity access electric-motor drive unit one works all electric-motor drive units, to meet the needs of power simultaneously.
Embodiment bis-:
Technical scheme in technical scheme in the present embodiment and embodiment mono-is basic identical, difference is, as shown in Figure 2, in the present embodiment, electric-motor drive unit is seven, and every phase stator winding is comprised of the coil of three continuous adjacent, and these three coils are connected successively, after series connection, one end of coil is input, and the other end is terminals.In actual production and manufacture process, according to the difference of machine operation environment, the coil number in every phase stator winding can be other quantity.The structure of stator core and p-m rotor adopts outer-rotor structure.
Embodiment tri-:
Technical scheme in technical scheme in the present embodiment and embodiment mono-is basic identical, difference is, electric-motor drive unit is even number, homophase stator winding series connection in two symmetrical electric-motor drive units, terminals after series connection are connected with the input of another two symmetrical electric-motor drive units, and after series connection, the terminals of all stator winding in end electric-motor drive unit interconnect successively.In the present embodiment, four electric-motor drive units of take are example, as shown in Figure 3, these four electric-motor drive units are called after electric-motor drive unit one, electric-motor drive unit two, electric-motor drive unit three and electric-motor drive unit four respectively, electric-motor drive unit one is symmetrically distributed on stator core with electric-motor drive unit three, electric-motor drive unit two and electric-motor drive unit four are symmetrical, in the present embodiment, the terminals of A, the B in electric-motor drive unit one, C threephase stator winding connect with the input of corresponding phase stator winding in electric-motor drive unit three; The terminals of the A in electric-motor drive unit four, B, C threephase stator winding connect with the input of corresponding phase stator winding in electric-motor drive unit two, the terminals of the A in electric-motor drive unit three, B, C threephase stator winding connect in the present embodiment with the input of corresponding phase stator winding in electric-motor drive unit four, electric-motor drive unit two is as end electric-motor drive unit, and the terminals of A, the B in electric-motor drive unit two, C threephase stator winding are connected on any with the mode of connection of Y shape.The mode that adopts above-mentioned symmetrical expression to connect, symmetrical electric-motor drive unit is worked simultaneously, p-m rotor is rotated more steady.In actual production and manufacture process, the quantity of electric-motor drive unit can also be the even number set of other quantity.
Embodiment tetra-:
Technical scheme in technical scheme in the present embodiment and embodiment bis-is basic identical, difference is, in the present embodiment, at least in each stator winding in an electric-motor drive unit, constant speed tap is set, every phase stator winding is comprised of the coil of equal number.Embodiment is: as shown in Figure 4, in order to make motor have the gear of an accurate rotating speed, in the single coil in an electric-motor drive unit, be provided with constant speed tap.As shown in Figure 5, in order to make motor there is the gear of two accurate rotating speeds, in the single coil of one of them electric-motor drive unit, be provided with constant speed tap; Between a plurality of coils of another electrode drive unit, be provided with constant speed tap, every phase stator winding is comprised of the coil of equal number.By constant speed tap is set at least one electric-motor drive unit, can make motor there is a definite rotating speed, be convenient to determining electric machine operation state.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used the terms such as stator core 1, coil 2, asterism 3, terminals 4, gear tap 5, constant speed tap 6 herein, do not got rid of the possibility of using other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (9)
1. a motor, comprise stator core and p-m rotor, it is characterized in that, on described stator core, edge is circumferentially provided with several electric-motor drive units for driving p-m rotor to rotate with same structure continuously, each electric-motor drive unit is comprised of at least three identical stator winding, each stator winding is a phase, every phase stator winding forms by the coil of one or more continuous adjacent, every phase stator winding in each electric-motor drive unit includes an input and terminals that are connected for the input with other electric-motor drive unit stator winding for being connected with alternation electricity, homophase stator winding series connection in described several electric-motor drive units, the terminals of all stator winding after series connection in end electric-motor drive unit interconnect.
2. motor according to claim 1, it is characterized in that, described electric-motor drive unit has three at least, and the homophase stator winding between adjacent electric-motor drive unit is connected successively, and the terminals of all stator winding after series connection in end electric-motor drive unit interconnect.
3. motor according to claim 1, it is characterized in that, described electric-motor drive unit is even number, homophase stator winding series connection in two symmetrical electric-motor drive units, terminals after series connection are connected with the input of another two symmetrical electric-motor drive units, and after series connection, the terminals of all stator winding in end electric-motor drive unit interconnect successively.
4. according to the motor described in claim 1 or 2 or 3, it is characterized in that, described each stator winding is comprised of a coil, and one end of described coil is input, and the other end is terminals.
5. according to the motor described in claim 1 or 2 or 3, it is characterized in that, described each stator winding is comprised of the coil of three continuous adjacent, and described coil is connected successively, and after series connection, one end of coil is input, and the other end is terminals.
6. motor according to claim 4, is characterized in that, at least in each stator winding in an electric-motor drive unit, constant speed tap is set.
7. motor according to claim 5, is characterized in that, at least in each stator winding in an electric-motor drive unit, constant speed tap is set.
8. according to the motor described in claim 1 or 2 or 3, it is characterized in that, each phase stator winding in each electric-motor drive unit is circumferentially uniformly distributed along stator core, and the phase angle of every phase stator winding is identical.
9. according to the motor described in claim 1 or 2 or 3, it is characterized in that, the position of each electric-motor drive unit is adjacent, and the every phase stator winding position in each electric-motor drive unit is adjacent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320608196.3U CN203522348U (en) | 2013-09-28 | 2013-09-28 | Motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320608196.3U CN203522348U (en) | 2013-09-28 | 2013-09-28 | Motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203522348U true CN203522348U (en) | 2014-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320608196.3U Expired - Fee Related CN203522348U (en) | 2013-09-28 | 2013-09-28 | Motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN203522348U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107465279A (en) * | 2017-08-31 | 2017-12-12 | 广东美芝制冷设备有限公司 | Motor and compressor |
-
2013
- 2013-09-28 CN CN201320608196.3U patent/CN203522348U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107465279A (en) * | 2017-08-31 | 2017-12-12 | 广东美芝制冷设备有限公司 | Motor and compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20160928 |
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| CF01 | Termination of patent right due to non-payment of annual fee |