CN204089662U - Fan driving governor and fan - Google Patents
Fan driving governor and fan Download PDFInfo
- Publication number
- CN204089662U CN204089662U CN201420477851.0U CN201420477851U CN204089662U CN 204089662 U CN204089662 U CN 204089662U CN 201420477851 U CN201420477851 U CN 201420477851U CN 204089662 U CN204089662 U CN 204089662U
- Authority
- CN
- China
- Prior art keywords
- voltage
- resistance
- diode
- fan
- driving governor
- 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
Links
Landscapes
- Rectifiers (AREA)
Abstract
The utility model relates to a kind of fan driving governor and fan.Described fan driving governor comprises: rectification filtering unit, for the alternating current with predetermined alternating voltage being converted to the direct current of the direct voltage of setting; Step down switching regulator power converter cells, it is connected with described rectification filtering unit, for the direct voltage of described setting is reduced to operation DC voltage; Drive unit unit, is connected to described step down switching regulator power converter cells, adopts described operation DC voltage drive fan motor to rotate.The beneficial effects of the utility model are: by the alternating current with predetermined alternating voltage being converted to the direct current with operation DC voltage that can use, this is adopted to have the DC powered fan motor of operation DC voltage thus, ensure that energy conversion rate reduces manufacturing cost and the use cost of fan when higher, be beneficial to energy-conserving and environment-protective.
Description
Technical field
The utility model belongs to technical field of electric device control, is specifically related to a kind of fan driving governor.In addition, the utility model also relates to a kind of fan comprising above-mentioned driving governor.
Background technology
Embedded controller is adopted (to be called for short: the electric energy that fan EC, Embedded Controller) uses is only that industrial standard blower fan consumes 1/3 of electric energy.Its advantage had: EC fan operation facilitates, do not have much noises, and rotating speed control efficiency is high; All electronic equipments of EC fan all embed at blower interior, and make fan overall structure simple, integrated level is high; EC fan can realize the unexistent rotation-clogging protection of traditional ac fan and self-recovering function; EC fan is not by the restriction that volume is little; EC fan different electric drive of arranging in pairs or groups can realize higher rotating speed; EC fan cost performance is high.
But adopting more in prior art is alternating current, usually adopts single-chip microcomputer to coordinate the mode of metal-oxide-semiconductor directly to control the acting of fan motor coil, thus realize the running of fan.The advantage of this driving framework is that conversion efficiency is high, but the defect existed is due to needs high drive, the manufacture craft of motor coil is comparatively complicated, add single-chip microcomputer and need write-in program, the generation of secret situation can be there is, and the cost of single-chip microcomputer itself is also very expensive, also be not easy to the unified single-chip microcomputer configure of same specification that uses of Mei Jia manufacturer use, in addition, also need to increase accessory power supply to power to single-chip microcomputer, cause the circuit of fan complete machine more complicated, cause thus the manufacturing cost of fan and use cost higher.Therefore, a kind of fan driving governor is badly in need of to solve the above-mentioned problems in the prior art.
Utility model content
In order to solve the problems referred to above that prior art exists, the utility model provides a kind of fan driving governor, and this driving governor is when higher conversion efficiency, and cost is low.In addition, the utility model also provides a kind of fan adopting described driving governor.
The technical scheme that the utility model adopts is:
A kind of fan driving governor, it comprises: rectification filtering unit, for the alternating current with predetermined alternating voltage being converted to the direct current of the direct voltage of setting; Step down switching regulator power converter cells, it is connected with described rectification filtering unit, for the direct voltage of described setting is reduced to operation DC voltage; Drive unit unit, is connected to described step down switching regulator power converter cells, adopts described operation DC voltage drive fan motor to rotate.
Preferably, described step down switching regulator power converter cells comprises pwm chip U1, switching tube Q1, filter capacitor EC2, sustained diode 2, inductance L P1, resistance R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, electric capacity C1, C2, C3 and diode D3, D4, D5,1 end contact resistance R6 of pwm chip, parallel resistance R3, R4 and the rear ground connection of sustained diode 2, 2 ends of pwm chip are connected to described fly-wheel diode by electric capacity C4, 3 ends of pwm chip are connected to described sustained diode 2 respectively by resistance R7 and the resistance R8 in parallel with resistance R7 and electric capacity C3, one end of diode D3 is connected between resistance R8 and electric capacity C3, the other end of diode D3 is by filter capacitor EC2 in parallel and resistance R10 ground connection, and the other end of described diode D3 is also connected between described diode D4 and described diode D5, inductance L P1 to be connected to described in described electric capacity C3 between filter capacitor EC2, 4 ends of pwm chip are directly connected in described sustained diode 2, 5 ends of pwm chip are connected to the base stage of described switching tube Q1 by resistance R5, the emitter of described switching tube Q1 is by parallel resistance R3, R4 is connected to described sustained diode 2, and 6 ends of pwm chip are by electric capacity C1 in parallel, C2 is connected to described sustained diode 2, is connected to 6 ends and the shunt capacitance C1 of pwm chip after resistance R1, R2 connect successively, between C2, one end of resistance R9 is connected to shunt capacitance C1, between C2 and resistance R2, the other end of resistance R9 connects the diode D4 of series connection, D5.
Preferably, described drive unit unit comprises Hall drive IC and motor coil, the VCC pin of described Hall drive IC is connected to the positive pole of described operation DC voltage, between the output pin that described motor coil is connected to described Hall drive IC and the positive pole of described operation DC voltage.
Preferably, described motor coil comprises single-phase motor coil, two-phase motor coil or three-phase motor coil.
Preferably, described drive unit unit comprises three-phase motor coil, and described three-phase motor coil is connected to the positive pole of described operation DC voltage respectively.
Preferably, described rectification filtering unit comprises rectifier bridge BD1 and filter capacitor EC1,1 end of described rectifier bridge BD1 is connected to the input of the alternating current with predetermined alternating voltage, 2 ends of described rectifier bridge BD1 are connected to the zero line of described alternating current, the 3 end ground connection of described rectifier bridge BD1, the two ends of described filter capacitor EC1 are connected to 3 ends and 4 ends of described rectifier bridge BD1 respectively.
Preferably, driving governor also comprises electromagnetism interference unit, and described electromagnetism interference unit is arranged between described rectification filtering unit and alternating current.
Preferably, described electromagnetism interference unit also comprises fuse F1, and described fuse F1 is connected in series in the input of described alternating current.
In addition, the invention also discloses a kind of fan, it comprises according to driving governor mentioned above.
The beneficial effects of the utility model are: the direct current by rectification filtering unit, the alternating current with predetermined alternating voltage being converted to the direct voltage of setting, then by step down switching regulator power converter cells, the direct current of the direct voltage of setting is reduced to the direct current with operation DC voltage, the DC powered fan motor having operation DC voltage by this thus rotates.The mode drive fan of direct current can be adopted thus, compared to traditional interchange type of drive, the transformation efficiency of this type of drive is high, owing to not needing high drive, motor coil does not need complicated technology to complete, and does not need to increase extra accessory power supply, simplifies the circuit of fan complete machine, reduce manufacturing cost and the use cost of fan, be beneficial to energy-conserving and environment-protective.Further, the switching frequency of the pwm chip control switch pipe Q1 of employing is enough high, can reach 60K-100K, makes inductance miniaturized, with low cost thus.From application, directly can substitute traditional ac fan, comprise the ac fan of IT/ industry/household appliances, the internal circuit of the utility model technology to traditional DC fan also can be adopted to improve directly to use Alternating Current Power Supply.Above-mentioned ac fan and DC fan is made to be converted to EC fan more simply thus.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of the controller of a preferred embodiment of the present utility model;
Fig. 2 is the workflow diagram of controller shown in Fig. 1.
In figure: 10, rectification filtering unit; 20, step down switching regulator power converter cells; 30, drive unit unit.
Embodiment
As shown in Figure 1, fan driving governor disclosed in the utility model, it comprises rectification filtering unit 20, step down switching regulator power converter cells 30 and drive unit unit 40.Controller of the present utility model and various piece thereof will be described in detail belows.
Rectification filtering unit 20 is for being converted to the direct current of the direct voltage of setting by the alternating current with predetermined alternating voltage.As shown in Figure 2, predetermined alternating voltage can be AC85V-450V, and the direct voltage of the setting converted to after rectifying and wave-filtering is DC120-630.The alternating current of above-mentioned predetermined alternating voltage is usually said family expenses or industrial power supply voltage, can design rectification filtering unit with reference to the direct voltage of predetermined alternating voltage and setting and select corresponding components and parts.
Preferably, as shown in Figure 1, rectification filtering unit 20 comprises rectifier bridge BD1 and filter capacitor EC1,1 end of rectifier bridge BD1 is connected to the input of the alternating current with predetermined alternating voltage, 2 ends of rectifier bridge BD1 are connected to the zero line of alternating current, the 3 end ground connection of rectifier bridge BD1, the two ends of filter capacitor EC1 are connected to 3 ends and 4 ends of rectifier bridge BD1 respectively.
As shown in Figure 1, step down switching regulator power converter cells 30 is connected with rectification filtering unit 20, and it is for reducing to operation DC voltage by the direct voltage of setting.As shown in Figure 2, the direct voltage DC120V-630V of setting is converted into the operation DC voltage of DC12V, 24V or 48V etc.
Drive unit unit 40 is connected to step down switching regulator power converter cells 30, adopts operation DC voltage drive fan motor to rotate.Drive unit unit 40 adopts the operation DC voltage drive fan motor of DC12V, 24V or 48V etc. to rotate.
Further, shown in Figure 1, in order to improve stability and the useful life of circuit, reduce radiation hazradial bundle, driving governor also comprises electromagnetism interference unit 10, and electromagnetism interference unit 10 is arranged between rectification filtering unit 20 and alternating current.Electromagnetism interference unit 10 can adopt electromagnetism interference unit conventional in prior art.Preferably, as shown in the figure, electromagnetism interference unit 10 also comprises fuse F1, and fuse F1 is connected in series in the input of alternating current, improves the security performance that driving governor uses thus, avoids the generation of electric leakage or short circuit.
As preferably embodiment, as shown in Figure 1, the structure of step down switching regulator power converter cells 30 comprises pwm chip U1, switching tube Q1, filter capacitor EC2, sustained diode 2, inductance L P1, resistance R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, electric capacity C1, C2, C3 and diode D3, D4, D5,1 end contact resistance R6 of pwm chip, parallel resistance R3, R4 and the rear ground connection of sustained diode 2, 2 ends of pwm chip are connected to fly-wheel diode by electric capacity C4, 3 ends of pwm chip are connected to sustained diode 2 respectively by resistance R7 and the resistance R8 in parallel with resistance R7 and electric capacity C3, one end of diode D3 is connected between resistance R8 and electric capacity C3, the other end of diode D3 is by filter capacitor EC2 in parallel and resistance R10 ground connection, and the other end of diode D3 is also connected between diode D4 and diode D5, inductance L P1 is connected between electric capacity C3 filter capacitor EC2, 4 ends of pwm chip are directly connected in sustained diode 2, 5 ends of pwm chip are connected to the base stage of switching tube Q1 by resistance R5, the emitter of switching tube Q1 is by parallel resistance R3, R4 is connected to sustained diode 2, and 6 ends of pwm chip are by electric capacity C1 in parallel, C2 is connected to sustained diode 2, is connected to 6 ends and the shunt capacitance C1 of pwm chip after resistance R1, R2 connect successively, between C2, one end of resistance R9 is connected to shunt capacitance C1, between C2 and resistance R2, the other end of resistance R9 connects the diode D4 of series connection, D5.
The operation principle of step down switching regulator power converter cells 30 is: when switching tube Q1 conducting, diode D2 ends, the direct current with the direct voltage of setting of input charges to inductance L P1 and filter capacitor EC2 through switching tube Q1, and the electric current flowed through from inductance L P1 thus increases the energy storage of inductance L P1.When switching tube Q1 ends, inductance L P1 induces left negative right positive voltage, and the load connected through drive unit unit and sustained diode 2 discharge the energy stored in inductance L P1, and the operation DC voltage that maintenance step down switching regulator power converter cells exports is constant.The height of the operation DC voltage that this unit exports is determined by the pulse duration being added in switching tube Q1 base stage.
As one of them preferably embodiment, as shown in Figure 1, drive unit unit 40 comprises Hall drive IC (participating in U3) and motor coil (such as FANL1 and FANL2), the VCC pin of Hall drive IC is connected to the positive pole of operation DC voltage, between the output pin that motor coil is connected to Hall drive IC and the positive pole of operation DC voltage.Preferably, motor coil comprises single-phase motor coil, two-phase motor coil or three-phase motor coil, and motor coil is two-phase motor coil as shown in FIG..The Hall drive IC of different model can be selected to make an output pin of the corresponding Hall drive IC of a motor coil according to the number of motor coil thus.As another preferred embodiment, drive unit unit 40 comprises three-phase motor coil, and three-phase motor coil is connected to the positive pole of operation DC voltage respectively.The driving of motor can be realized thus according to the actual installation demand of client.
In addition, the invention also discloses a kind of fan, it comprises according to driving governor mentioned above.It can thus be appreciated that this fan transfer ratio is high, cost is low.
The utility model is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but any change is done in its shape or structure; every have identical with the application or akin technical scheme, all drops within protection range of the present utility model.
Claims (9)
1. a fan driving governor, is characterized in that, comprising:
Rectification filtering unit, for being converted to the direct current of the direct voltage of setting by the alternating current with predetermined alternating voltage;
Step down switching regulator power converter cells, it is connected with described rectification filtering unit, for the direct voltage of described setting is reduced to operation DC voltage;
Drive unit unit, is connected to described step down switching regulator power converter cells, adopts described operation DC voltage drive fan motor to rotate.
2. driving governor according to claim 1, is characterized in that, described step down switching regulator power converter cells comprises pwm chip (U1), switching tube (Q1), filter capacitor (EC2), fly-wheel diode (D2), inductance (LP1), resistance (R1, R2, R3, R4, R5, R6, R7, R8, R9, R10), electric capacity (C1, C2, and diode (D3 C3), D4, D5), 1 end contact resistance (R6) of pwm chip, parallel resistance (R3, and fly-wheel diode (D2) ground connection afterwards R4), 2 ends of pwm chip are connected to described fly-wheel diode by electric capacity (C4), 3 ends of pwm chip are connected to described fly-wheel diode (D2) respectively by resistance (R7) and the resistance (R8) in parallel with resistance (R7) and electric capacity (C3), one end of diode (D3) is connected between resistance (R8) and electric capacity (C3), the other end of diode (D3) is by filter capacitor (EC2) in parallel and resistance (R10) ground connection, and the other end of described diode (D3) is also connected between described diode (D4) and described diode (D5), inductance (LP1) is connected between described electric capacity (C3) described filter capacitor (EC2), 4 ends of pwm chip are directly connected in described fly-wheel diode (D2), 5 ends of pwm chip are connected to the base stage of described switching tube (Q1) by resistance (R5), the emitter of described switching tube (Q1) is by parallel resistance (R3, R4) be connected to described fly-wheel diode (D2), 6 ends of pwm chip are by electric capacity (C1 in parallel, C2) be connected to described fly-wheel diode (D2), resistance (R1, R2) is connected to 6 ends and the shunt capacitance (C1 of pwm chip after connecting successively, C2), between, one end of resistance (R9) is connected to shunt capacitance (C1, C2) and between resistance (R2), the other end of resistance (R9) connects the diode (D4 of series connection, D5).
3. driving governor according to claim 1 and 2, it is characterized in that, described drive unit unit comprises Hall drive IC and motor coil, the VCC pin of described Hall drive IC is connected to the positive pole of described operation DC voltage, between the output pin that described motor coil is connected to described Hall drive IC and the positive pole of described operation DC voltage.
4. driving governor according to claim 3, is characterized in that, described motor coil comprises single-phase motor coil, two-phase motor coil or three-phase motor coil.
5. driving governor according to claim 1 and 2, is characterized in that, described drive unit unit comprises three-phase motor coil, and described three-phase motor coil is connected to the positive pole of described operation DC voltage respectively.
6. driving governor according to claim 1 and 2, it is characterized in that, described rectification filtering unit comprises rectifier bridge (BD1) and filter capacitor (EC1), 1 end of described rectifier bridge (BD1) is connected to the input of the alternating current with predetermined alternating voltage, 2 ends of described rectifier bridge (BD1) are connected to the zero line of described alternating current, 3 end ground connection of described rectifier bridge (BD1), the two ends of described filter capacitor (EC1) are connected to 3 ends and 4 ends of described rectifier bridge (BD1) respectively.
7. driving governor according to claim 1 and 2, is characterized in that, also comprises electromagnetism interference unit, and described electromagnetism interference unit is arranged between described rectification filtering unit and alternating current.
8. driving governor according to claim 7, is characterized in that, described electromagnetism interference unit also comprises fuse (F1), and described fuse (F1) is connected in series in the input of described alternating current.
9. a fan, is characterized in that, comprises driving governor according to any one of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420477851.0U CN204089662U (en) | 2014-08-22 | 2014-08-22 | Fan driving governor and fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420477851.0U CN204089662U (en) | 2014-08-22 | 2014-08-22 | Fan driving governor and fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204089662U true CN204089662U (en) | 2015-01-07 |
Family
ID=52182328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420477851.0U Expired - Fee Related CN204089662U (en) | 2014-08-22 | 2014-08-22 | Fan driving governor and fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204089662U (en) |
-
2014
- 2014-08-22 CN CN201420477851.0U patent/CN204089662U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103219878A (en) | Capacitor discharging circuit and power converter | |
| CN203632933U (en) | LED lamp driving power supply using numerical control chip | |
| Kamran et al. | DC home appliances for DC distribution system | |
| CN202997986U (en) | Direct current brushless motor driving device | |
| CN201956899U (en) | Special circuit for accelerating start-up and LED drive circuit adopting same | |
| CN203071864U (en) | Single-phase alternating current motor and speed regulation control circuit thereof | |
| CN102412758A (en) | Portable solar power supply system | |
| CN201374649Y (en) | Power supply circuit and air conditioner provided with same | |
| CN204089662U (en) | Fan driving governor and fan | |
| CN207009368U (en) | A kind of new resistance-capacitance depressurization and relay drive circuit | |
| CN105406714A (en) | DC-DC converter integrated circuit and application circuit thereof | |
| CN103227563A (en) | Intelligent digital control switch power supply | |
| CN203840244U (en) | Driving mechanism for electric riveting gun | |
| CN209151042U (en) | A kind of stepless speed regulation control of alternating current generator and energy clamping circuit and its device | |
| CN203057067U (en) | Motor and speed regulation control circuit thereof | |
| CN202444457U (en) | Fan and direct-current brushless motor thereof | |
| CN203102061U (en) | Voltage stabilizer with auto-transformer | |
| CN202652085U (en) | Watt offline flyback insulation type multi-output power supply | |
| CN107888032B (en) | A kind of single-phase double speed twin voltage asynchronous motor | |
| CN204990052U (en) | Electronic voltage regulator of two -wire system | |
| CN204481708U (en) | A kind of high-voltage power pipe and power module | |
| CN204517707U (en) | A kind of PWM alignment circuit of cooling fan of engine motor | |
| CN208571965U (en) | A kind of AC voltage adjusting circuit promoting series excited machine low-speed stability and torque | |
| CN202617056U (en) | Adaptive power PG motor control system | |
| CN219865553U (en) | Fan control board |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20170822 |