CN201438660U

CN201438660U - Speed-regulating motor

Info

Publication number: CN201438660U
Application number: CN2009200577865U
Authority: CN
Inventors: 林敏萍; 夏传富
Original assignee: FOSHAN SHUNDE FANS-TECH ELECTRIC Co Ltd
Current assignee: FANS-TECH ELECTRIC CO., LTD.
Priority date: 2009-06-03
Filing date: 2009-06-03
Publication date: 2010-04-14
Anticipated expiration: 2019-06-03

Abstract

The utility model discloses a speed-regulating motor, which comprises a primary winding, a secondary winding, a running capacitor and a speed-regulating capacitor, wherein the two ends of the primary winding are provided with a first power line and a second power line which form a first gear position, and the secondary winding is provided with a third power line which forms a second gear with the first power line; and a fourth power line connected with the speed-regulating capacitor in series is led out between the primary winding and the secondary winding, and the fourth power line and the first power line form a third gear position. The utility model has the advantages that the gear position formed by the third power line led out of the secondary winding is of a medium rotational speed gear position, and one leading-out line is required, so the cost is reduced, and the speed is changed by regulating a tap; and the gear position formed by the fourth power line led out between the primary winding and the secondary winding is of a low rotational speed gear position, and the speed-regulating capacitor reduces voltage so as to achieve the energy-saving and low-noise speed-regulating mode. The two speed-regulating modes are organically and reasonably combined together, accordingly, the cost is controlled, and simultaneously, the product performance is optimized and the energy is saved.

Description

Buncher

Technical field

The utility model relates to a kind of motor, especially relates to a kind of buncher.

Background technology

At present, the speed regulating method of the motor that uses on the market:

One, use thyristor speed control, this mode of speed regulation not be used in motor internal and implements, and only connects controllable silicon in the motor outside, realizes different speed with the controllable silicon step-down.But the shortcoming of the method is copped wave can occur when the slow-speed of revolution, produces electromagnetic noise.

Two, use rheostatic speed regulation, this mode of speed regulation not be used in motor internal and implements, and only connects the resistance of different resistance values in the motor outside, realizes different speed.But the shortcoming of the method is a resistance heating severity, can have potential safety hazard; And very low with the electric efficiency of rheostatic speed regulation when the slow-speed of revolution, the power height does not reach energy-conservation effect.

Three, realize speed governing at motor internal, extract lead-in wire out at the winding place that needs rotating speed during coiling and realize speed governing.But the shortcoming of the method is a gear can not be too many, at most can not be above 4 grades; Not steady during the slow-speed of revolution because of magnetic field, can produce noise; Rotating speed can not be too low, motor meeting fail to start; Because of between winding and winding, extracting too many speed governing lead-in wire, induced labor turn-to-turn easily out in inside; Power height during the slow-speed of revolution, efficient is low, and is not energy-conservation.But simple to operate, save cost, when coiling, just can implement speed governing.

Four, realize speed governing at the outside serial connection of motor capacitor, the electric capacity of the different appearance values of serial connection is realized different speed on the common wire of motor outside, and the method power when the slow-speed of revolution is low, and is effectively energy-conservation; Can the product electromagnetic noise when the slow-speed of revolution.But as a plurality of gears capacitor speed governing simultaneously, cost can be very high.

The utility model content

Based on many deficiencies of above-mentioned multiple adjustable speed motor, the utility model aims to provide a kind of low noise, low cost and energy-conservation buncher.

For realizing this purpose, the utility model is taked following technical scheme:

Buncher of the present utility model, comprise main winding, auxiliary winding and running electric capacity, the main winding two ends are provided with first power line and the second source line forms first gear, connect on the auxiliary winding and form second gear between the 3rd power line and first power line, and, between main winding and auxiliary winding, also draw the 4th power line and described first power line that are serially connected with speed governing electric capacity and form third gear.

In like manner, can so promote: some the 3rd power lines are drawn from the different parts place of auxiliary winding to form a plurality of described second gears with described first power line respectively.And, some the 4th power lines from draw and be connected in series respectively between main winding and the auxiliary winding have different capabilities electric capacity to form a plurality of described third gears with first power line respectively.

Consider the needs that same gear carried out speed governing, described speed governing electric capacity can be set to variable capacitance.And described electric capacity also can be and comprises at least two serial connection or and the capacity cells that connect mutually.

Compared with prior art, the utlity model has following advantage: the gear that described second source line of drawing on auxiliary winding forms is the medium speed gear, because it only requires a lead-out wire, so can reduce cost, the mode of regulating with tap has changed speed; And the formed gear of the 3rd power line of drawing between main winding and auxiliary winding is a slow-speed of revolution gear, and it has realized the mode of speed regulation of energy-saving and low-noise by suitably increasing electric capacity.The intrinsic gear of these two kinds of modes of speed regulation and motor is organic, reasonably combine, and respectively gets its advantage, avoided the shortcoming of known multiple regulative mode, when controlling cost, reaches again and optimizes properties of product and purpose of energy saving.

Description of drawings

Fig. 1 is the electrical principle schematic diagram of the utility model buncher.

Embodiment

Seeing also Fig. 1 is described in detail the utility model:

Buncher of the present utility model as shown in Figure 1, has been set up lead-out wire 21,22 on the basis of traditional electric machine structure, 23,24 to form a plurality of gears 31,32,33.

Among Fig. 1, an auxiliary winding 12 and a running electric capacity 13 constitute series branch, and it is in parallel with last branch that a main winding 11 constitutes individual branches, and two ends in parallel are the power supply input of motor, so lead to first power line 21 and second source line 22.In like manner, after also can be regarded as 13 of main winding 11, auxiliary winding 12 and running electric capacity and constituting the loop, draw first power line 21 and second source line 22 from main winding 11 two ends by the ring-type serial connection.And make motor rotation by applying voltage at first power line 21 and 22 on second source line, just constitute first gear 31 of the present utility model.The connection conducting of first gear 31 will make motor obtain first speed, and in theory, it should be the prestissimo of motor on this enforcement is novel.

Then, on auxiliary winding 12, be provided with the 3rd power line 23, it is drawn from auxiliary winding 12 middle parts, so-called " on the auxiliary winding ", be equal to the non-end that the extraction location of the 3rd power line 23 is limited to auxiliary winding 12, thus, the 3rd power line 23 is equal to tap, the position difference that tap is drawn will cause the difference of electric property, thereby, by the principles well-known of inductance interphase interaction, second gear, 33 resulting another speed that will cause forming between the 3rd power line 23 and first power line 21 are different from aforementioned first gear, 31 resulting speed, thereby reach the purpose of speed governing.It is pointed out that general this second gear 33 is suitable for the medium speed mode, and should not be subjected to the sequence number of the utility model " gear " speech and mislead.Those of ordinary skills also are not difficult to know by inference, can many articles the 3rd power lines 23 be set by many places on auxiliary winding 12, make each article the 3rd power line 23 all can constitute different concrete gears with first power line 21, because the access point difference of every the 3rd power line 23 on auxiliary winding 12, the coil number distribution situation of the auxiliary winding of being divided 12 is also different, thereby each concrete gear just can obtain mutually different speed.Obviously, the mode that inserts the 3rd power line 23 must additionally increase cost hardly, and the cost of electric wire almost can be ignored.

The situation of motor full-speed operation and medium speed running is only considered in the front, in order to consider the situation of slow-speed of revolution running, also be that the 4th power line 24 is drawn in the position that second source line 22 inserts on the line between main winding 11 and the auxiliary winding 12, different with the former is, serial connection is gone into electric capacity 240 in the 4th power line 24 of drawing, this electric capacity 240 can adopt variable capacitance makes rotating speed also adjustable at this gear 32 so that realize the adjustable of capacitance, electric capacity 240 is interpreted as a upper notion, its can comprise one or more serial connections mutually or and the capacity cell that connects, thus, the 4th power line 24 and 21 of first power lines just constitute third gear 32, are applicable to slow-revving demand.In like manner, the setting of third gear 32 is not subjected to the limitation of its sequence number, be interpreted as to draw many power lines at main winding 11 and 12 of auxiliary winding, every power line can be connected in series electric capacity 240, all can constitute described third gear 32 with this every power line of drawing herein with first power line 21, if the capacitance difference of the electric capacity 240 in this type of power line of each bar, then a plurality of these type of third gears 32 must have different speed governing effects.Though the increase of electric capacity 240 will cause the cost of motor to increase slightly, owing to utilized the charge-discharge characteristic of electric capacity 240, also can obtain low noise, energy-conservation effect undoubtedly.

Therefore, can know by inference, by speed governing of reasonable combination electric capacity and tap speed governing dual mode, can make motor have high, medium and low at least three gears, and a plurality of concrete gear of in like manner expanding based on these three gears, on the whole, the utility model motor had both been realized the effect that low noise is energy-conservation, and cost is also relatively low.

Those skilled in the art should know, any being equal to replacement and should being not enough to exceed protection range of the present utility model of making based on spirit of the present utility model.

Claims

1. buncher, main winding, auxiliary winding and the running electric capacity, the speed governing electric capacity that comprise articulating, the main winding two ends are provided with first power line and the second source line forms first gear, it is characterized in that: auxiliary winding be provided with that the 3rd power line is used for and first power line between form second gear, and, between main winding and auxiliary winding, also draw the 4th power line that is serially connected with speed governing electric capacity and be used for forming third gear with described first power line.

2. buncher according to claim 1 is characterized in that: some the 3rd power lines are drawn from the different parts place of auxiliary winding to form a plurality of described second gears with described first power line respectively.

3. buncher according to claim 1 and 2 is characterized in that: some the 4th power lines from draw and be connected in series respectively between main winding and the auxiliary winding have different capabilities electric capacity to form a plurality of described third gears with first power line respectively.

4. buncher according to claim 3 is characterized in that: described electric capacity is variable capacitance.

5. buncher according to claim 3 is characterized in that: described electric capacity comprises at least two serial connection or and the capacity cells that connect mutually.