CN202334159U - High-efficiency fan motor - Google Patents
High-efficiency fan motor Download PDFInfo
- Publication number
- CN202334159U CN202334159U CN2011204455188U CN201120445518U CN202334159U CN 202334159 U CN202334159 U CN 202334159U CN 2011204455188 U CN2011204455188 U CN 2011204455188U CN 201120445518 U CN201120445518 U CN 201120445518U CN 202334159 U CN202334159 U CN 202334159U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- circuit
- magnetic pole
- end cover
- fan electromotor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a high-efficiency fan motor. The high-efficiency fan motor comprises an upper end cover, a circuit board, a stator, a rotor, a rolling bearing and a lower end cover, wherein the circuit board is fixed in a containing space in the upper end cover; the rotor is a permanent magnetic pole; the stator is provided with four magnetic poles, the two magnetic poles which are opposite are in one group; the direction of one group of magnetic pole winding coils is forward while the direction of the other group of magnetic pole winding coils is reverse, and the magnetic pole winding coils are connected with the circuit board; and the circuit board comprises a power supply changing circuit, an intelligent control circuit and a driving circuit, wherein the intelligent control circuit comprises a singlechip U2. The high-efficiency fan motor provided by the utility model has small volume, high efficiency and long service life, various protective devices are arranged inside the motor, and temperature of the motor is low after the motor operates for a long time.
Description
Technical field
The utility model relates to the manufacturing technology of motor, especially relates to a kind of the 50Hz alternating current being become the motor of high-frequency drive, especially for the manufacturing technology of the motor when the constant load.
Background technology
Existing fan motor all is the alternating current that directly uses 50Hz, and it is low that the big rotary speed unstabilization of this type fan motor volume is decided efficient.
Adjustable frequency motor is also arranged in the prior art, and the ripple frequency of the driving power of this type motor is lower than 50Hz, is mainly used in the heavy-duty motor economize on electricity, is not suitable for ventilating fan.
The various protections of the fan motor of prior art all are arranged on outside the motor casing, use and inconvenience.
Need a kind of volume little in the reality, efficient is high, and various protections are arranged at motor interior, and the permanent operating temperature of motor is low, the fan motor product that the life-span is long, and the product that satisfies this requirement is a vacancy.
The utility model content
In order to solve the shortcoming problem of the fan motor that exists in the prior art, the utility model provides a kind of design of high efficiency fan electromotor.
The utility model is realized through adopting following technical scheme:
Manufacture and design a kind of high efficiency fan electromotor, said motor comprises:
Upper end cover, circuit board, stator, rotor, rolling bearing, bottom end cover and axle;
Said circuit board is fixed in the accommodation space in the upper end cover, draws external line by circuit board;
Said rotor is a permanent magnetism magnetic pole;
4 magnetic poles are set on the said stator, and relative two is one group, and it is one positive one anti-that two groups magnetic pole winding coil direction has, and the magnetic pole winding coil is connected in circuit board.
Comprise power converting circuit, intelligence control circuit and drive circuit on the said circuit board;
The input of said power converting circuit inserts the alternating current of being introduced by external line;
The output DC12V of said power converting circuit, DC5V and DC311V supply with intelligence control circuit and drive circuit.
Said intelligence control circuit comprises a single-chip microcomputer, the B_GND of said single-chip microcomputer, and SP_1, SP_2, the VREF leads ends inserts overvoltage/decompression detection signal, over-current detection signal, stall signal, speed-regulating signal.
Said speed-regulating signal is at SP_1, and the SP_2 pin is put 00,01,10,11 level and realized.
Compared with present technology, be used for ventilating fan, the utility model has the advantages that: volume is little, and is in light weight, and efficient is high, and heating is few, and the life-span is long, and motor itself has overvoltage, under-voltage, overcurrent, rotation-clogging protection.
Description of drawings
Fig. 1 is the decomposing schematic representation of a kind of high efficiency fan electromotor of the utility model;
Fig. 2 is the assembly sketch map of a kind of high efficiency fan electromotor of the utility model;
Fig. 3 is the power source conversion electrical schematic diagram of a kind of high efficiency fan electromotor of the utility model;
Fig. 4 is the intelligence control circuit electrical schematic diagram of a kind of high efficiency fan electromotor of the utility model;
Fig. 5 is the drive circuit electrical schematic diagram of a kind of high efficiency fan electromotor of the utility model.
The drawing reference numeral explanation
10 motor assemblies, 11 external lines;
21 power converting circuits, 22 intelligence control circuits, 23 drive circuits.
Embodiment
In order to further specify the utility model, combine a preferred embodiment of the utility model shown in the drawings to be elaborated, yet said embodiment is merely the usefulness that furnishes an explanation and explain, can not be used for limiting the scope of patent protection of the utility model at present.
Like Fig. 1～shown in Figure 5, manufacture and design a kind of high efficiency fan electromotor, said fan electromotor comprises:
In reality is made, also have lower end-piece 3 and last dististyle 7 independent making to be convenient to install.
Said circuit board 8 is fixed in the accommodation space in the upper end cover 9, draws external line 11 by circuit board 8;
In other embodiment, said circuit board 8 can be fixed in the accommodation space in the bottom end cover 1.
Said rotor is a permanent magnetism magnetic pole;
4 magnetic poles are set on the said stator 5, and relative two is one group, and it is one positive one anti-that two groups magnetic pole winding coil direction has, and the magnetic pole winding coil is connected in circuit board 8.
Comprise power converting circuit 21, intelligence control circuit 22 and drive circuit 23 on the said circuit board 8;
The input of said power converting circuit 21 inserts the alternating current of being introduced by external line 11;
The output DC12V of said power converting circuit 21, DC5V and DC311V supply with intelligence control circuit 22 and drive circuit 23.
Said intelligence control circuit 22 comprises a single-chip microcomputer U2, the B_GND of said single-chip microcomputer U2, and SP_1, SP_2, the VREF leads ends inserts overvoltage/decompression detection signal, over-current detection signal, stall signal, speed-regulating signal.
Any I/O pin that as required can single-chip microcomputer U2 is set to output, input or comparator.
Said speed-regulating signal is at SP_1, and the SP_2 pin is put 00,01,10,11 level and realized.
Like the more gear of needs, SP_3 can be set, or more, just have more gear speed governing.
Among Fig. 5, the conducting cut-off state of four high-power MOSFET tube Q2, Q3, Q6, Q7 is by four pin P1_A～P1D control of single-chip microcomputer U2, the rotating speed of the pulse output frequency decision motor of these four pin.
The detection signal of various protections is introduced by VREF pin, B_GND pin, and pin utilization that also can single-chip microcomputer U2 is vacant imports more protection.
The model of single-chip microcomputer U2 is a lot, can accomplish the task of the utility model, does not give an example one by one at this.
The specification requirement that the utility model is satisfactorily realized in the background technology being proposed.
Above content is the further explain that combines concrete preferred implementation that the utility model is done, and can not assert that the practical implementation of the utility model is confined to these explanations.For the those of ordinary skill of technical field under the utility model, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be regarded as belonging to the protection range of the utility model.
Claims (4)
1. a high efficiency fan electromotor is characterized in that, said fan electromotor comprises:
Upper end cover (9), circuit board (8), stator (5), rotor (4), rolling bearing (2), bottom end cover (1) and axle (6);
Said circuit board (8) is fixed in the accommodation space in the upper end cover (9), draws external line (11) by circuit board (8);
Said rotor is a permanent magnetism magnetic pole;
4 magnetic poles are set on the said stator (5), and relative two is one group, and it is one positive one anti-that two groups magnetic pole winding coil direction has, and the magnetic pole winding coil is connected in circuit board (8).
2. high efficiency fan electromotor according to claim 1 is characterized in that:
Comprise power converting circuit (21), intelligence control circuit (22) and drive circuit (23) on the said circuit board (8);
The input of said power converting circuit (21) inserts the alternating current of being introduced by external line (11);
The output DC12V of said power converting circuit (21), DC5V and DC311V supply with intelligence control circuit (22) and drive circuit (23).
3. high efficiency fan electromotor according to claim 1 is characterized in that:
Said intelligence control circuit (22) comprises a single-chip microcomputer U2, the B_GND of said single-chip microcomputer U2, and SP_1, SP_2, the VREF leads ends inserts overvoltage/decompression detection signal, over-current detection signal, stall signal, speed-regulating signal.
4. high efficiency fan electromotor according to claim 3 is characterized in that:
Said speed-regulating signal is at SP_1, and the SP_2 pin is put 00,01,10,11 level and realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204455188U CN202334159U (en) | 2011-11-11 | 2011-11-11 | High-efficiency fan motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204455188U CN202334159U (en) | 2011-11-11 | 2011-11-11 | High-efficiency fan motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202334159U true CN202334159U (en) | 2012-07-11 |
Family
ID=46446125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204455188U Expired - Fee Related CN202334159U (en) | 2011-11-11 | 2011-11-11 | High-efficiency fan motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202334159U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979748A (en) * | 2012-11-30 | 2013-03-20 | 杭州顿力电器有限公司 | Outer rotor electronic control fan and speed regulating method |
-
2011
- 2011-11-11 CN CN2011204455188U patent/CN202334159U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979748A (en) * | 2012-11-30 | 2013-03-20 | 杭州顿力电器有限公司 | Outer rotor electronic control fan and speed regulating method |
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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: 20120711 Termination date: 20141111 |
|
| EXPY | Termination of patent right or utility model |