CN203708060U - Fan-used AC input brushless DC motor - Google Patents
Fan-used AC input brushless DC motor Download PDFInfo
- Publication number
- CN203708060U CN203708060U CN201320871571.3U CN201320871571U CN203708060U CN 203708060 U CN203708060 U CN 203708060U CN 201320871571 U CN201320871571 U CN 201320871571U CN 203708060 U CN203708060 U CN 203708060U
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- motor
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- distributor
- fan
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- 239000003990 capacitor Substances 0.000 claims abstract description 29
- 230000005669 field effect Effects 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 8
- 230000009467 reduction Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 8
- 238000007789 sealing Methods 0.000 description 6
- 238000004804 winding Methods 0.000 description 6
- 238000004080 punching Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
A fan-used AC input brushless DC motor belongs to the motor technical field, and comprises a stator, a rotor, a circuit board and a machine housing; the machine housing comprises a front end cover and a rear end cover; the stator, the rotor and the circuit board are arranged in the machine housing; the circuit board is used for providing power drive and control of the brushless DC motor, connected with an external power line, and is provided with a rectifier circuit and a drive circuit; the fan-used AC input brushless DC motor is simple in structure, less in motor material, low in production cost, convenient in making, and good for environment protection; the drive circuit uses a distributor, and only two field effect transistors and one hall sensor are used; a capacitor C1 is combined to realize adjustment of power rate and rotary speed; the drive circuit can realize energy saving purpose, is low in price, thereby realizing energy saving and emission reduction purpose.
Description
Technical field
The utility model belongs to technical field of motors, is specially fan with exchanging input brushless DC motor.
Background technology
Along with globalization is becoming tight energy supply day, add the continuous deterioration of climatic environment, energy problem becomes the bottleneck of restriction social development day by day, and shortage of electric power has become global problem.The measure of power cuts to limit consumption will be taked in Some City when peak of power consumption in every summer in recent years at home, and power cuts to limit consumption is all wanted in the industrial area even having, and will have a strong impact on industrial production, and therefore energy-saving and emission-reduction are imperative.At the bottom of energy utilization rate due to China, output value energy loss-rate world average level is high, and high energy consumption, poor efficiency are to cause the current energy-intensive one of the main reasons of China.In the motor market survey of small-sized fans, the small-sized DC electric fan using on box fan, ventilation fan, ventilating fan and the various car and boat of all markets, commodity selling, be all by AC induction motor (comprising shaded-pole and capacitor-operated motor) and be used as power with the direct current machine of brush, the not only energy-saving and emission-reduction of developing that a kind of applicable blower fan uses but also price are with now to substitute the higher new products of those power consumptions on market with the similar electronic driving motor of motor imperative.Due to the necessity to energy-saving and emission-reduction, both at home and abroad to the development work of small-sized fans motor all in positive carrying out, such as the brush-less fan motor of the Alternating Current Power Supply of " EBM " company of Germany development comes out.The brush-less fan of development in 2010 has adopted the complicated drive circuit of single-chip microcomputer, has adopted about 20-30 above transistor, has also used the fuse of glass tube.Motor stator has been drawn simple being like that easy to of shaded-pole structure and has been manufactured, due to circuit structure complexity, cost is high, and the small-sized fan motor close prices of an output 5-10W is in 400 yuans/platform, and same shaded-pole fan electromotor only needs 24-28 yuan/platform left and right.The product of " EBM " company had been cancelled glass tube fuse etc. through the improvement of oversampling circuit afterwards, price has dropped to approximately 160 yuans/platform left and right, the alternating-current brushless fan electromotor of a kind of same power that Italy produces, there is better simply control drive circuit system, approximately 100 yuans/platform of manufacturing price left and right.Have a kind of small-sized alternating-current brushless fan electromotor (profile is the same with the two poles of the earth motor with cup rotor) of Φ 100 fan blades abroad, but it does not adopt single-chip microcomputer, has adopted more than 10 transistor, the about 1W of power output left and right, the about 40-60 of estimated price yuan/platform left and right, more cheap, but power output is very little.The cast-aluminum rotor of motor with cup rotor work need consume certain electric energy, and the short circuit copper ring of electric motor starting effect need consume certain electric energy, and power consumption is large.
For the problems referred to above, applicant has applied for that on August 16th, 2012 patent No. is: ZL201220405259.0, and name is called: a kind of patent of Combined motor stator structure; Also applied for that August 16 in 2012 patent No. is ZL 201220405257.1, name is called a kind of patent of motor bearings sealing shroud, is exclusively used under the condition that motor is dustproof, waterproof requirement is high; Solve motor material by these 2 patents many, high in cost of production problem, current also some producer develops and has test-manufactured some and adopted the power of alternating-current brushless direct current machine as drive fan, but the drive circuit of this motor is its complicated structure at present, cost is also higher, about 100-120 unit/platform left and right, and circuit is to copy external product substantially.
Utility model content
For the above-mentioned problems in the prior art, the purpose of this utility model is that design provides the technical scheme that exchanges input brushless DC motor for fan, and not only it is simple in structure, production cost is low, reliable operation, the power consumption of motor is little, has realized the object of energy-saving and emission-reduction.
Described fan is with exchanging input brushless DC motor, comprise stator, rotor, circuit board, casing, casing comprises front end housing and rear end cap, stator, rotor and circuit board are arranged in casing, circuit board is in order to provide driven by power and the control of this interchange input brshless DC motor, circuit board is connected with external power cord, it is characterized in that, on described circuit board, drive circuit is set, this drive circuit comprises and changes alternating current into galvanic bridge rectifier, bridge rectifier output is divided into positive pole and negative pole, one end of the first stator coil M1 of motor and one end of the second stator coil M2 are connected to the positive pole of bridge rectifier, the other end of the first stator coil M1 is connected with the first switch Q1, the other end of the second stator coil M2 is connected with second switch Q2, this drive circuit also comprises controls the first switch Q1 and the second switch Q2 distributor of open and close in turn, on distributor, connect and detect rotor position of rotation and output signal makes distributor control the first switch Q1 and the second switch Q2 Hall element of open and close in turn, Hall element one end is connected with the second pin of distributor, the Hall element other end is connected with the 3rd pin of distributor.
Described fan is with exchanging input brushless DC motor, it is characterized in that this drive circuit also comprises the Circuit tuning for adjusting distributor working point, described Circuit tuning comprises variable resistor R3 and variable resistor R4, one end of variable resistor R3 is connected with the first pin of distributor, the variable resistor R3 other end is connected with the positive pole of bridge rectifier, one end of variable resistor R4 is connected with the 6th pin of distributor, and the other end of variable resistor R4 is connected on the tie point of the first switch Q1 and the first stator coil M1.
Described fan is with exchanging input brushless DC motor, it is characterized in that this drive circuit also comprises rectification circuit, rectification circuit is made up of resistance R 1, resistance R 2 and capacitor C 1, the input of bridge rectifier wherein one end is connected with resistance R 2 first ends, the second end of resistance R 2 is connected with the first end of resistance R 1, the second end of resistance R 1 is as the input of alternating current, and one end of capacitor C 1 is connected with the second end of resistance R 1, and the other end of capacitor C 1 is connected with the first end of resistance R 2.
Described fan is with exchanging input brushless DC motor, it is characterized in that being connected with polar capacitor C2 between the positive pole of bridge rectifier output and negative pole, the positive pole of polar capacitor C2 is connected with the positive pole of bridge rectifier, and the negative terminal of polar capacitor C2 is connected with the negative pole of bridge rectifier and ground connection.
Described fan is with exchanging input brushless DC motor, it is characterized in that described the first switch Q1 is field effect transistor, the drain electrode of the first switch Q1 and the first stator coil M1 line, the grid of the first switch Q1 is connected with the 3rd pin of distributor, the source ground of the first switch Q1.
Described fan is with exchanging input brushless DC motor, it is characterized in that described second switch Q2 is field effect transistor, the drain electrode of second switch Q2 is connected with the second stator coil M2, and the grid of second switch Q2 is connected with the 5th pin of distributor, the source ground of second switch Q2.
Described fan, with exchanging the distributor of its feature of input brushless DC motor in described XMFPQ model, has 1,2,3,4,5,6 pin.1 pin connects R3 one end, and 2 pin connect Q2 grid, and 3 pin connect Q1 source electrode, and 4 pin connect Q1 grid, and 5 pin connect Hall element one end, and 6 connect R4 one end.
Described fan is with exchanging input brushless DC motor, it is characterized in that described rotor comprises axle, magnet, axle is rabbeted in magnet, axle two ends are all equipped with bearing, the rotation of bearings axle, bearing is arranged on front end housing, rear end cap by spring washer, bump protection ring, and axle, bearing connect the inner and be equipped with jump ring.
Described fan, with exchanging input brushless DC motor, is characterized in that described stator is connected by thimble and circuit board.
Described fan, with exchanging input brushless DC motor, is characterized in that described capacitor C 1 is for adjustable electric capacity.
Described fan, with exchanging input brushless DC motor, is characterized in that described magnet 11 and axle 13 are for joint construction.
Above-mentioned each electronic devices and components all can directly be buied from the market.
Said fans is with exchanging input brushless DC motor, simple in structure, motor is few with material, and production cost is low, easy to process, be beneficial to environmental protection, its drive circuit adopts a distributor, and only adopts two field effect transistor and a Hall element, realizes the adjusting of power adjustment, rotating speed in conjunction with the large I of adjusting capacitor C 1, this drive circuit can realize energy-conservation and price is lower, has realized the object of energy-saving and emission-reduction.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the circuit theory diagrams of the utility model drive circuit;
In figure: 1-rear end cap, 2-spring washer, 3-sealing ring, 4-bearing, 5-jump ring, 6-rubber ring, 7-power line, 8-circuit board, 9-thimble, 10-stator, 11-magnet, 12-front end housing, 13-axle, 14-distributor, 15-Hall element.
Embodiment
Below in conjunction with Figure of description, the utility model is described in further detail.
As shown in the figure, this fan is with exchanging input brushless DC motor, comprise stator 10, rotor, circuit board 8, casing, casing comprises front end housing 12 and rear end cap 1, stator 10, rotor and circuit board 8 are arranged in casing, circuit board 8 is in order to provide driven by power and the control of this brshless DC motor, circuit board 8 is connected with external power cord 7, on described circuit board 8, drive circuit is set, this drive circuit comprises and changes alternating current into galvanic bridge rectifier, bridge rectifier output is divided into positive pole and negative pole, one end of the first stator coil M1 of motor and one end of the second stator coil M2 are connected to the positive pole of bridge rectifier, the other end of the first stator coil M1 is connected with the first switch Q1, the other end of the second stator coil M2 is connected with second switch Q2, this drive circuit also comprises controls the first switch Q1 and the second switch Q2 distributor 14 of open and close in turn, on distributor 14, connect and detect rotor position of rotation and output signal makes distributor 14 control the first switch Q1 and the second switch Q2 Hall element 15 of open and close in turn, Hall element 15 one end are connected with the second pin of distributor 14, Hall element 15 other ends are connected with the 3rd pin of distributor 14.
This drive circuit also comprises the Circuit tuning for adjusting distributor 14 working points, described Circuit tuning comprises variable resistor R3 and variable resistor R4, one end of variable resistor R3 is connected with the first pin of distributor 14, the variable resistor R3 other end is connected with the positive pole of bridge rectifier, one end of variable resistor R4 is connected with the 6th pin of distributor 14, and the other end of variable resistor R4 is connected on the tie point of the first switch Q1 and the first stator coil M1.
This drive circuit also comprises rectification circuit, rectification circuit is made up of resistance R 1, resistance R 2 and capacitor C 1, the input of bridge rectifier wherein one end is connected with resistance R 2 first ends, the second end of resistance R 2 is connected with the first end of resistance R 1, the second end of resistance R 1 is as the input of alternating current, one end of capacitor C 1 is connected with the second end of resistance R 1, and the other end of capacitor C 1 is connected with the first end of resistance R 2.First by resistance R 1, resistance R 2, capacitor C 1 and rectification unit, the alternating current of input is carried out to rectification, make alternating current become direct current by bridge rectifier.
Between the positive pole of bridge rectifier output and negative pole, be connected with polar capacitor C2, the positive pole of polar capacitor C2 is connected with the positive pole of bridge rectifier, and the negative terminal of polar capacitor C2 is connected with the negative pole of bridge rectifier and ground connection.
Described the first switch Q1 is field effect transistor, the drain electrode of the first switch Q1 and the first stator coil M1 line, and the grid of the first switch Q1 is connected with the 3rd pin of distributor 14, the source ground of the first switch Q1.
Described second switch Q2 is field effect transistor, and the drain electrode of second switch Q2 is connected with the second stator coil M2, and the grid of second switch Q2 is connected with the 5th pin of distributor 14, the source ground of second switch Q2.
Described rotor comprises axle 13, magnet 11, and axle 13 is rabbeted in magnet 11, and axle 13, magnet 11 split-type design require the various axle of design to be applicable to dissimilar motor according to different fan blades.Magnet 11 adopts plastic pressure forming of plastic permanent magnet material.Axle 13 two ends are all equipped with bearing 4, and bearing 4 supports the rotation of described axle 13, and bearing 4 is arranged on front end housing 12, rear end cap 1 by spring washer 2, sealing ring 3, and axle 13, bearing 4 connect the inner and be equipped with jump ring 5.Spring washer 2 regulates the gap between bearing 4 and sealing ring 3, and sealing ring 3 plays shock-absorbing and noise reduction effect, and jump ring 5 plays positioning action.Described stator 10 is connected by thimble 9 and circuit board 8, and thimble 9 coordinates with circuit board 8 welding, turning circuit.Power line 7 is equipped with rubber ring 6 with front end housing 1 link position, and rubber ring 6 plays a protective role.The skeleton of stator 10 is adopted made of plastic.
The patent No. that the structure of said stator 10 and applicant have applied for is: ZL201220405259.0, name is called: a kind of structure of Combined motor stator structure is identical.Adopt the motor stator of assembled piece type structure, have the following advantages: (1) can further save raw material: be processed into because the rotor of brushless electric machine adopts permanent magnet, if the overall stator piece becoming with the punching of tradition processing, the punching of the rotor portion staying cannot be used, and can only scrap.Adopt after piece structure, just do not have the rotor portion of punching.Can save again sheet material with regard to the overall punching of brushless electric machine and piece punching contrast and be about 20%-30% left and right, directly reduce the consumption of electrical sheet.(2) magnetic pole of the stator coil can single coiling: during with multi-head coiling machine coiling, can be by multiple coil rack strings together, and coiling simultaneously, once can coiling ten to tens more than.And the price of multi-head coiling machine is more cheap, counter investment is less, and winding operation is also than being easier to.And must adopting one to be called bull, the stator winding of traditional structure carrys out coiling around coil winding machine, due to be around, its speed is relatively slow, the coil of coiling is not too neat again, also more loose, easy severed thread end in winding process, the consumption of wire and learies are relatively high, also be difficult for grasping around the coiling technology of coil winding machine, and around the price of the coil winding machine also shortcoming such as higher.
Above-mentioned motor bearings seals and with the patent No. that applicant has applied for is: ZL20122 0405257.1, the structure that name is called a kind of motor bearings sealing shroud is identical, when adopting this structure to there is shock-absorbing and noise reduction function, also there is the function of waterproof and dustproof, under adverse circumstances, use this bearing seal cover to improving the motor beneficial effect in useful life.
Described distributor 14 must be inputted certain signal by Hall element 15, in the time that signal enters distributor, makes signal alternately output separately with certain forms, reaches the first switch Q1 and the second switch Q2 effect of opening and closing in turn controlled.Detect rotor position of rotation by Hall element 15 and output signal to distributor 14, distributor 14 is according to this signal wheel current control the first switch Q1 and second switch Q2 opening and closing.After electrical power, under the effect of Hall element 15, by distributor 14 control first switch Q1 open and second switch Q2 closes, the first coil M1 conducting of stator, now stator drive rotor rotates behind a pole span angle, under the opposed polarity of p-m rotor, Hall element 15 is responded to again, and output signal, making distributor 14 control the first switch Q1 closes, controlling second switch Q2 opens, now stator the first coil M1 power-off, stator the second coil M2 conducting, stator promotes p-m rotor and constantly rotates, so go round and begin again, therefore drive motors constantly rotates.
The effect of capacitor C 1 has two:
1. in circuit, have constant current effect, when motor is under "on" position, after motor generation stall, the stator coil of motor is by continuous locked rotor current from power supply obtains stall.For general motor, this locked rotor current is even larger several times of reaching motor working current, is easy to cause the overcurrent of motor and the stator coil that burns out motor, motor damaged and can not remain in operation and scrap.And the utility model is connected in series C1 electric capacity in alternating current circuit; under hindrance function due to C1 electric capacity; the locked rotor current of motor remains under the current value of motor normal operating conditions substantially; can protect the electric current of motor coil of stator of motor in stall situation to remain on the current value under operating state, and not cause motor burn out or scrap.
2. the size of the power output of motor, under same motor conditions, can directly reach by the size of control capacittance C1 capacity, for example: a 220V ~/50HZ, the fan electromotor that fan blade Φ is 200/28 °, adopt motor technology of the present utility model, when fan is at 1300 revs/min in the situation that, power output is about 5W left and right, and the amount of capacity of capacitor C 1 is about 1.72uf.Same motor, in the time that capacitor C 1 capacity reaches 4uf, the power output of motor will reach 10W left and right, 230/28 ° of fan blade of available Φ, rotating speed is 1300 revs/min of left and right.While adjusting between capacitor C 1 amount of capacity is from 1uf to 4uf, the power output of motor can be from 1W to 10W, and the working speed of motor can, from hundreds of rev/min to more than 2000 revs/min, reach the motor of many different size kinds.The method of this control capacittance C1 is very convenient, also very simple, and the production management of factory and production process are simplified greatly, can not cause the too much waste of motor material, as: export 5W the motor motor material of instead exporting 10W will increase more than 1/3.This control method of capacitor C 1 can also make motor itself carry out more piece speed governing.
Drive circuit of the present utility model adopts the distributor 14 with trigger effect, and only adopt two field effect transistor and a Hall element 15, drive circuit in the situation that guaranteeing to drive p-m rotor, it is simple in structure, and production cost is low, reliable operation, under same motor conditions, can, in conjunction with the adjusting that realizes power, rotating speed easy to adjust of capacitor C 1, the power consumption of motor obviously be declined, realize the object of energy-saving and emission-reduction.Brushless DC motor described in the utility model can substitute shaded pole motor, can lower alternating current machine production cost, series capacitance C1 in the ac circuit of its drive circuit, not only there is constant current effect, and in the time changing the capacity of capacitor C 1, can obtain the different power output of motor, and the rotating speed of motor can elect to 2000 revs/min above from hundreds of rev/min; Brushless DC motor described in the utility model with make comparisons with the motor with cup rotor of power output, as shaded pole motor stator changes thick 13 millimeters, the about 24-30W of power consumption, it is 10 millimeters and motor stator described in the utility model changes thick, only need the power of 8W left and right, not only power consumptive province, few with material, and also temperature rise is very low.The not only energy-saving and emission-reduction of this motor, and cheap, the about 5-7 of drive circuit cost yuan/platform.
Claims (8)
1. fan is with exchanging input brushless DC motor, comprise stator (10), rotor, circuit board (8), casing, casing comprises front end housing (12) and rear end cap (1), stator (10), rotor and circuit board (8) are arranged in casing, circuit board (8) is in order to provide driven by power and the control of this brshless DC motor, circuit board (8) is connected with external power cord (7), it is characterized in that, on described circuit board (8), drive circuit is set, this drive circuit comprises and changes alternating current into galvanic bridge rectifier, bridge rectifier output is divided into positive pole and negative pole, one end of the first stator coil M1 of motor and one end of the second stator coil M2 are connected to the positive pole of bridge rectifier, the other end of the first stator coil M1 is connected with the first switch Q1, the other end of the second stator coil M2 is connected with second switch Q2, this drive circuit also comprises controls the first switch Q1 and the second switch Q2 distributor of open and close (14) in turn, detect rotor position of rotation and output signal makes distributor (14) control the first switch Q1 and the second switch Q2 Hall element of open and close (15) in turn in upper connection of distributor (14), Hall element (15) one end is connected with the second pin of distributor (14), Hall element (15) other end is connected with the 3rd pin of distributor (14).
2. fan as claimed in claim 1 is with exchanging input brushless DC motor, it is characterized in that this drive circuit also comprises the Circuit tuning for adjusting distributor (14) working point, described Circuit tuning comprises variable resistor R3 and variable resistor R4, one end of variable resistor R3 is connected with the first pin of distributor (14), the variable resistor R3 other end is connected with the positive pole of bridge rectifier, one end of variable resistor R4 is connected with the 6th pin of distributor (14), and the other end of variable resistor R4 is connected on the tie point of the first switch Q1 and the first stator coil M1.
3. fan as claimed in claim 1 is with exchanging input brushless DC motor, it is characterized in that this drive circuit also comprises rectification circuit, rectification circuit is made up of resistance R 1, resistance R 2 and capacitor C 1, the input of bridge rectifier wherein one end is connected with resistance R 2 first ends, the second end of resistance R 2 is connected with the first end of resistance R 1, the second end of resistance R 1 is as the input of alternating current, one end of capacitor C 1 is connected with the second end of resistance R 1, and the other end of capacitor C 1 is connected with the first end of resistance R 2.
4. fan as claimed in claim 1 is with exchanging input brushless DC motor, it is characterized in that being connected with polar capacitor C2 between the positive pole of bridge rectifier output and negative pole, the positive pole of polar capacitor C2 is connected with the positive pole of bridge rectifier, and the negative terminal of polar capacitor C2 is connected with the negative pole of bridge rectifier and ground connection.
5. fan as claimed in claim 1 is with exchanging input brushless DC motor, it is characterized in that described the first switch Q1 is field effect transistor, the drain electrode of the first switch Q1 and the first stator coil M1 line, the grid of the first switch Q1 is connected with the 3rd pin of distributor (14), the source ground of the first switch Q1.
6. fan as claimed in claim 1 is with exchanging input brushless DC motor, it is characterized in that described second switch Q2 is field effect transistor, the drain electrode of second switch Q2 is connected with the second stator coil M2, the grid of second switch Q2 is connected with the 5th pin of distributor (14), the source ground of second switch Q2.
7. fan as claimed in claim 1 is with exchanging input brushless DC motor, it is characterized in that described rotor comprises axle (13), magnet (11), axle (13) is rabbeted in magnet (11), axle (13) two ends are all equipped with bearing (4), bearing (4) supports the rotation of described axle (13), bearing (4) is arranged on front end housing (12), rear end cap (1) above by spring washer (2), bump protection ring (3), and axle (13), bearing (4) connect the inner and be equipped with jump ring (5).
8. fan as claimed in claim 1, with exchanging input brushless DC motor, is characterized in that described stator (10) is connected by thimble (9) and circuit board (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320871571.3U CN203708060U (en) | 2013-12-27 | 2013-12-27 | Fan-used AC input brushless DC motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320871571.3U CN203708060U (en) | 2013-12-27 | 2013-12-27 | Fan-used AC input brushless DC motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203708060U true CN203708060U (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320871571.3U Expired - Lifetime CN203708060U (en) | 2013-12-27 | 2013-12-27 | Fan-used AC input brushless DC motor |
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| Country | Link |
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| CN (1) | CN203708060U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103701291A (en) * | 2013-12-27 | 2014-04-02 | 富阳新马工具有限公司 | Alternating-current input brushless direct-current motor for fan |
-
2013
- 2013-12-27 CN CN201320871571.3U patent/CN203708060U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103701291A (en) * | 2013-12-27 | 2014-04-02 | 富阳新马工具有限公司 | Alternating-current input brushless direct-current motor for fan |
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Granted publication date: 20140709 |
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