CN202261162U - Claw-pole motor driving system and fan driving system applying same - Google Patents
Claw-pole motor driving system and fan driving system applying same Download PDFInfo
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- CN202261162U CN202261162U CN2011203933106U CN201120393310U CN202261162U CN 202261162 U CN202261162 U CN 202261162U CN 2011203933106 U CN2011203933106 U CN 2011203933106U CN 201120393310 U CN201120393310 U CN 201120393310U CN 202261162 U CN202261162 U CN 202261162U
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Abstract
The utility model discloses a claw-pole motor driving system for rocking an electric fan and a fan driving system applying the same. The claw-pole motor driving system mainly comprises a claw-pole motor and a claw-pole motor driver, and a claw-pole motor power amplification circuit is connected between the claw-pole motor and the claw-pole motor driver in series. The fan driving system comprises a BLDC (Brushless Direct Current) motor driving system and the claw-pole motor driving system, wherein the BLDC motor driving system and the claw-pole motor driving system are respectively connected with a power supply. The claw-pole motor driving system and the fan driving system applying the same, disclosed by the utility model, not only is very simple in entire structure, but also can be matched with the BLDC motor to realize a fan rocking function, and are very low in cost, and convenient to popularize and use.
Description
Technical field
The utility model relates to a kind of motor driven systems, specifically, is meant a kind of fan drive system that is used for the claw-pole motor drive system of electric fan oscillating and uses it.
Background technology
At present, in many family expenses and commercial power fan, the function of shaking the head of fan all is absolutely necessary.Traditional mode all is to use single phase induction motor that electric fan is driven; Realize fan head swinging with single-phase claw-pole motor; Because single phase induction motor and single-phase claw-pole motor can use same AC power to drive; Therefore reduced the making and the operating cost of electric fan to a great extent, but the efficient of its electric fan is lower, can not satisfy energy-efficient requirement.
Because use brshless DC motor (Brushless DC Motor is called for short BLDC) can improve the operational efficiency of electric fan greatly, therefore replacing single phase induction motor by brshless DC motor is trend of the times.But because traditional employed power supply of brshless DC motor is direct current, the employed power supply of claw-pole motor is an alternating current, so brshless DC motor and claw-pole motor can not use same power supply.In order to solve this power issue, many companies all adopt the special brshless DC motor acceleration and deceleration device of another one to carry out " shaking the head " and drive.Owing to will increase the driver of a brshless DC motor and corresponding brshless DC motor, therefore adopt this scheme to increase the cost of manufacture and control difficulty of electric fan.Especially when shaking the head of electric fan need be done the two and three dimensions motion, this just needed additional two, even three brshless DC motors are realized shaking the head of fan.Obviously, this use brushless electric machine realizes that fan " shaking the head " is beyond affordability to many companies.
The utility model content
The purpose of the utility model is to overcome traditional brshless DC motor and claw-pole motor can not use same power supply; Thereby cause the high defective of its cost of manufacture; Provide a kind of structure comparatively simple, can effectively overcome a kind of claw-pole motor drive system of above-mentioned defective and use its fan drive system.
For realizing above-mentioned utility model purpose, the utility model is achieved in that
A kind of claw-pole motor drive system mainly is made up of claw-pole motor and claw-pole motor driver, and it also further includes the claw-pole motor power amplifier, and described claw-pole motor power amplifier is serially connected between described claw-pole motor and the described claw-pole motor driver.
Preferably, above-mentioned claw-pole motor power amplifier is the single-phase power bridge rectifier.
A kind of fan drive system, it includes BLDC motor driven systems and above-mentioned claw-pole motor drive system, and described BLDC motor driven systems links to each other with power supply respectively with described claw-pole motor drive system.
Preferably, above-mentioned BLDC motor driven systems comprises: BLDC flabellum drive motors, BLDC driver and be serially connected in BLDC flabellum drive motors and the BLDC driver between the BLDC power amplifier; The positive source of BLDC driver and BLDC power amplifier and described claw-pole motor driver be connected with the positive pole of external dc power after the positive source of claw-pole motor power amplifier is related, be connected with the negative pole of external dc power after the power cathode parallel connection of the power cathode of BLDC driver and BLDC power amplifier and described claw-pole motor driver and claw-pole motor power amplifier.
Preferably, above-mentioned BLDC motor driven systems comprises: BLDC flabellum drive motors, BLDC driver and be serially connected in BLDC flabellum drive motors and the BLDC driver between the BLDC power amplifier; The positive pole of the positive source external dc power of BLDC driver and BLDC power amplifier is connected, and the power cathode of BLDC driver and BLDC power amplifier is connected with the negative pole of external dc power; Described claw-pole motor drive system links to each other with high-voltage ac power.
Preferably, above-mentioned BLDC motor driven systems comprises: BLDC flabellum drive motors and the BLDC power amplifier that is connected in series mutually with it; Described claw-pole motor internal drive is integrated with the BLDC driver; The positive source of described claw-pole motor power amplifier and BLDC power amplifier all is connected with the positive pole of external dc power, and the power cathode of claw-pole motor power amplifier and BLDC power amplifier then all is connected with the negative pole of external dc power; The power positive cathode of said claw-pole motor driver is connected with the both positive and negative polarity of external dc power respectively.
Preferably, above-mentioned claw-pole motor driver adopts the COMBO chip to realize.
After adopting technique scheme, the utility model compared with prior art has the following advantages and beneficial effect:
(1) not only overall structure is very simple for the utility model, and can also with the match function of incompatible realization fan head swinging of brshless DC motor, its cost is very cheap, is convenient to promote and use.
(2) the utility model need not to increase extra high voltage source, adopts the DC power supply of BLDC drive motors can realize the fan head swinging function, therefore can significantly improve the security performance of electric fan.
(3) regulating and controlling voltage of the driving power of the utility model can be realized through PWM, therefore can significantly reduce the electrical piano power loss of claw-pole motor, the noise when reducing the motor operation significantly.
(4) owing to utilize the DC driven power supply and other circuit resources of BLDC fan driving motor; And claw-pole motor is driven with the PWM technology; Can adjust the rotating speed of realizing desired claw-pole motor through driving frequency; And make driving voltage can with the load matched of claw-pole motor, thereby make machine operation in optimum state, reduce the loss of electric machine and reduce motor noise.Adopt PWM also can be further the waveform of the driving voltage of claw-pole motor to be regulated, thereby further lower the noise of motor.
Description of drawings
Fig. 1 is the structural representation of the utility model claw-pole motor drive system;
Fig. 2 is the structural representation of the utility model fan drive system embodiment one;
Fig. 3 is the structural representation of the utility model fan drive system embodiment two.
Wherein, the Reference numeral title in the accompanying drawing is respectively:
The 1-claw-pole motor, 2-claw-pole motor driver, 3-claw-pole motor power amplifier,
4-BLDC flabellum drive motors, the 5-BLDC driver, the 6-BLDC power amplifier,
7-claw-pole motor coil, the 8-COMBO integrated drive.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
A kind of claw-pole motor drive system as shown in Figure 1, that the utility model provides comprises claw-pole motor 1, claw-pole motor driver 2 and claw-pole motor power amplifier 3, wherein:
Claw-pole motor 1 all adopts common claw-pole motor and claw-pole motor driver to get final product with claw-pole motor driver 2.
Claw-pole motor power amplifier 3, it is serially connected between claw-pole motor 1 and the claw-pole motor driver 2; It realizes power drive by the single-phase power bridge rectifier; The driving of claw-pole motor 1 adopts PWM to control voltage, electric current and the frequency of motor, just can realize driving this claw-pole motor 1 by external dc power through this claw-pole motor power amplifier 3.
This single-phase power bridge rectifier is as shown in Figure 1; Promptly by four MOSFET power tubes, perhaps the IGBT power tube forms power amplifier; The two ends of the claw-pole motor coil 7 of claw-pole motor 1 then are connected with this loop respectively, thereby make four power tubes form a bridge rectifier.
During use, realize driving this claw-pole motor 1 through this claw-pole motor power amplifier 3, thereby control voltage, electric current and the frequency of motor by external dc power.
The invention also discloses a kind of driving method of above-mentioned claw-pole motor drive system, it may further comprise the steps:
(A) described claw-pole motor driver (2) is according to the requirement of user to fan head swinging speed, and the driving first-harmonic of setting out described claw-pole motor (1) starts frequency, and this frequency is directly proportional with the speed of shaking the head;
(B) described claw-pole motor driver (2) starts frequency according to the first-harmonic that drives, and promptly sets out driving voltage, and realizes desired driving voltage with PWM, and this driving voltage starts frequency with the driving first-harmonic and becomes the positive line sexual intercourse;
(C) described claw-pole motor driver (2) starts frequency and driving voltage according to the driving first-harmonic of being made, and realizes desired current waveform with the PWM technology;
When implementing, this current waveform can be square wave or sine wave, and the appropriate current waveform, can reduce the running noises of claw-pole motor.
(D) described claw-pole motor driver (2) outputs to formed driving voltage on two ports of winding of described claw-pole motor (1).
Embodiment one:
With reference to shown in Figure 2, the invention also discloses a kind of fan drive system, it includes BLDC motor driven systems and above-mentioned claw-pole motor drive system, and the BLDC motor driven systems links to each other with power supply respectively with the claw-pole motor drive system.
In the present embodiment, this BLDC drive system comprise traditional BLDC flabellum drive motors 4, BLDC driver 5 and be serially connected in BLDC drive motors 4 and BLDC driver 5 between BLDC power amplifier 6.During connection; The positive source of claw-pole motor driver 2 and claw-pole motor power amplifier 3 need with the positive source parallel connection of BLDC driver 5 and BLDC power amplifier 6 after be connected with the positive pole of external dc power again; The power cathode of claw-pole motor driver 2 and claw-pole motor power amplifier 3 then need with the power cathode parallel connection of BLDC driver 5 and BLDC power amplifier 6 after be connected with the negative pole of external dc power again, can low-voltage dc voltage and electric current be provided for its operate as normal to guarantee this external dc power.
In the present embodiment, claw-pole motor driver 2 is respectively two independently driving arrangements with BLDC driver 5, its separately with the motor that will drive be connected.
When present embodiment used, the claw-pole motor drive system can be used with the BLDC drive system preferably, to guarantee just to realize the driving to claw-pole motor 1 and BLDC flabellum drive motors 4 simultaneously through an external DC power supply.The utility model only uses a voltage dc source can reduce the volume of claw-pole motor driver, raises the efficiency, and improves the fail safe of fan.
Embodiment two:
Demand according to reality; Fan drive system described in the embodiment one also can be done following suitable adjustment; Soon claw-pole motor driver 2 is integrated on the chip piece with BLDC driver 5 and realizes; Promptly come to control simultaneously claw-pole motor 1 and BLDC drive motors 4 by a drive controlling chip, its structure is as shown in Figure 3.
Promptly the positive source of this claw-pole motor power amplifier 3 and BLDC power amplifier 6 all is connected with the positive pole of external dc power, and its power cathode all is connected with the external dc power negative pole.Owing to need claw-pole motor driver 2 and BLDC driver 5 be integrated on the chip piece, so present embodiment preferentially is employed in the COMBO chip and realizes.At this moment, for the ease of distinguishing mutually with BLDC driver 5 with the claw-pole motor driver 2 of front, the COMBO chip that present embodiment will be integrated with claw-pole motor driver 2 and BLDC driver 5 is called COMBO integrated drive 8.During connection, the power positive cathode of this COMBO integrated drive 8 just is connected with the both positive and negative polarity of external dc power respectively, forms an electric power loop to guarantee whole system.The control of claw-pole motor can realize through other circuit resources of sharing in the bldc controller.
The major advantage of present embodiment comprises:
(1) the driving cost of whole fan reduces;
(2) driver circuit of fan obtains simplifying, and reduces the volume of driver, and has improved the reliability of fan.
(3) can make that the power consumption of claw-pole motor reduces, noise reduces, and can control the speed of motor through control to claw-pole motor driving power, electric current and frequency.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection range of the utility model.
Claims (7)
1. claw-pole motor drive system; Mainly form by claw-pole motor (1) and claw-pole motor driver (2); It is characterized in that; It also further includes claw-pole motor power amplifier (3), and described claw-pole motor power amplifier (3) is serially connected between described claw-pole motor (1) and the described claw-pole motor driver (2).
2. a kind of claw-pole motor drive system according to claim 1 is characterized in that: described claw-pole motor power amplifier (3) is the single-phase power bridge rectifier.
3. fan drive system, it is characterized in that: it includes BLDC motor driven systems and claim 1 or 2 described claw-pole motor drive systems, and described BLDC motor driven systems links to each other with power supply respectively with described claw-pole motor drive system.
4. fan drive system according to claim 3 is characterized in that: described BLDC motor driven systems comprises: BLDC flabellum drive motors (4), BLDC driver (5) and be serially connected in BLDC flabellum drive motors (4) and BLDC driver (5) between BLDC power amplifier (6); The positive source of BLDC driver (5) and BLDC power amplifier (6) and described claw-pole motor driver (2) be connected with the positive pole of external dc power after the positive source of claw-pole motor power amplifier (3) is related, be connected with the negative pole of external dc power after the power cathode parallel connection of the power cathode of BLDC driver (5) and BLDC power amplifier (6) and described claw-pole motor driver (2) and claw-pole motor power amplifier (3).
5. fan drive system according to claim 3 is characterized in that: described BLDC motor driven systems comprises: BLDC flabellum drive motors (4), BLDC driver (5) and be serially connected in BLDC flabellum drive motors (4) and BLDC driver (5) between BLDC power amplifier (6); BLDC driver (5) is connected with the positive pole of the positive source external dc power of BLDC power amplifier (6), and the power cathode of BLDC driver (5) and BLDC power amplifier (6) is connected with the negative pole of external dc power; Described claw-pole motor drive system links to each other with high-voltage ac power.
6. fan drive system according to claim 3 is characterized in that: described BLDC motor driven systems comprises: BLDC flabellum drive motors (4) and the BLDC power amplifier (6) that is connected in series mutually with it; Described claw-pole motor driver (2) inside is integrated with the BLDC driver; The positive source of described claw-pole motor power amplifier (3) and BLDC power amplifier (6) all is connected with the positive pole of external dc power, and the power cathode of claw-pole motor power amplifier (3) and BLDC power amplifier (6) then all is connected with the negative pole of external dc power; The power positive cathode of said claw-pole motor driver (2) is connected with the both positive and negative polarity of external dc power respectively.
7. fan drive system according to claim 6 is characterized in that: described claw-pole motor driver (2) adopts the COMBO chip to realize.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203933106U CN202261162U (en) | 2011-10-14 | 2011-10-14 | Claw-pole motor driving system and fan driving system applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203933106U CN202261162U (en) | 2011-10-14 | 2011-10-14 | Claw-pole motor driving system and fan driving system applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202261162U true CN202261162U (en) | 2012-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203933106U Expired - Lifetime CN202261162U (en) | 2011-10-14 | 2011-10-14 | Claw-pole motor driving system and fan driving system applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202261162U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103051259A (en) * | 2011-10-14 | 2013-04-17 | 峰岹科技（深圳）有限公司 | Claw pole motor driving system and method as well as fan driving system applying same |
| WO2014032446A1 (en) * | 2012-09-03 | 2014-03-06 | 峰岹科技（深圳）有限公司 | Method for driving inductive brushless direct current motor |
-
2011
- 2011-10-14 CN CN2011203933106U patent/CN202261162U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103051259A (en) * | 2011-10-14 | 2013-04-17 | 峰岹科技（深圳）有限公司 | Claw pole motor driving system and method as well as fan driving system applying same |
| WO2014032446A1 (en) * | 2012-09-03 | 2014-03-06 | 峰岹科技（深圳）有限公司 | Method for driving inductive brushless direct current motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 518000 Shenzhen Software Park, 1 Shenzhen Software Park (2 phase), No. 2, No. 1, Nanshan District high tech District, Shenzhen City, Guangdong province (limited office) Patentee after: Fengji Technology (Shenzhen) Co., Ltd Address before: 518067, Seaview Plaza, No. 18 Prince Edward Road, Shenzhen, Guangdong, Nanshan District 17C Patentee before: FORTIOR TECHNOLOGY (SHENZHEN) Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |