CN102916629B - Fan system - Google Patents
Fan system Download PDFInfo
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- CN102916629B CN102916629B CN201210364968.3A CN201210364968A CN102916629B CN 102916629 B CN102916629 B CN 102916629B CN 201210364968 A CN201210364968 A CN 201210364968A CN 102916629 B CN102916629 B CN 102916629B
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- fan system
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Abstract
The invention provides a kind of fan system, it is connected to a power supply unit electrically, and this fan system comprises: one first switch, a second switch, a coil and a drive unit.Wherein, this drive unit has one the 3rd switch and one the 4th switch, and the 3rd switch forms bridge-type with the 4th open relation with this first switch, second switch and this coil is connected.
Description
The application is the application number submitted on May 23rd, 2006 is the divisional application of the application for a patent for invention " fan system " of 200610084478.2.
Technical field
The present invention relates to a kind of fan system, particularly a kind of fan system improving power output and lower manufacturing cost.
Background technology
Because the information processing capacity of current electronic system constantly increases, the heat relatively produced also increases thereupon, only emphasize the not interruptable user's requirement of Fast Persistence according to most electronic system, radiating requirements in described electronic system more and more comes into one's own, various derivative and heat radiation product that is that go out also gets more and more, and more efficient on the market at present and compared with the i.e. genus fan system of multi-user.
Refer to shown in Fig. 1, it is announcement one fan system 1, it is connected to a power supply unit 2 electrically to receive power supply, this fan system 1 is mainly by a drive unit 10, one sensing component 20, one first switch S 1, one second switch S2, one the 3rd switch S 3, one the 4th switch S 4 and a coil L formed, wherein, this drive unit 10 is connected to this power supply unit 2 electrically, this sensing component 20 can be a Hall sensing component, and it is connected to this drive unit 10 electrically, this first switch S 1, this second switch S2, 3rd switch S 3, 4th switch S 4 and this coil L can become bridge-type to connect, and this first switch S 1 and this second switch S2 are connected to this power supply unit 2 and this drive unit 10 more respectively electrically, 3rd switch S 3 and the 4th switch S 4 are connected to this drive unit 10 more respectively electrically.
This drive unit 10 is in order to control the mutual conducting of described switch, change to make the electric current flowed through on this coil L, and to make to be located in this fan system 1 and the motor (not shown) being equiped with this coil L is operated, and this sensing component 20 is the rotating speed sensing this motor, and produce a signal to this drive unit 10, thus, this drive unit 10 can use the rotating speed of this motor of adjustment.
Refer to shown in Fig. 2, disclose another fan system 3, it is connected to a power supply unit 2 electrically to receive power supply, this fan system 3 is mainly by a drive unit 30, one sensing component 20 and a coil L formed, wherein, this drive unit 30 is connected to this power supply unit 2 electrically, this sensing component 20 can be a Hall sensing component, and it is connected to this drive unit 30 electrically, this coil L is connected to this drive unit 30 electrically, with the difference place of this fan system 1 shown in Fig. 1, be that this drive unit 30 can be embodied as an integrated circuit (IC), and be able to this first switch S 1, this second switch S2, 3rd switch S 3 and the 4th switch S 4 are arranged in this drive unit 30, only described switch is still that bridge-type is connected with this coil L.
The function of each constitutive requirements of this fan system 3 is identical haply with this fan system 1 of Fig. 1, and it is because the general principle of fan running, therefore does not separately repeat at this.
This fan system 1 of above-mentioned Fig. 1 be by described switch-linear hybrid outside drive unit 10, only so execution mode has complex circuit, the part disappearance such as too much, cause be no matter test or manufacture time, manpower, time, burden on cost, also because so, and just like Fig. 2 this fan system 3 ask city, though only this fan system 3 by described switch-linear hybrid in this drive unit 30, so because of described switch, this is the assembly easily producing heat energy, therefore often cause this drive unit 30 temperature too high and the facts that fault is even damaged, and this configuration mode causes output effect too low on the contrary, anti-not this fan system 1 as shown in Figure 1 of applicability and economy.
Above-mentioned two kinds of fan systems commonly used on the market at present, more or less all have the disappearance making the person of producing or user can not put up with, historical facts or anecdotes has necessity of improvement.
Summary of the invention
Because above-mentioned problem, object of the present invention is for providing a kind of fan system, it is by being arranged on outside drive unit by one first switch and a second switch, and one the 3rd switch and one the 4th switch-linear hybrid are in drive unit, and described switch and a coil form a bridge-type is connected, so can improve existing fan system complex circuit, make not easily, the easy disappearance such as heat-dissipating energy, high cost, low-power.
For above and other objects of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and coordinate accompanying drawing, be described in detail below.
Accompanying drawing explanation
Fig. 1 is the composition schematic diagram of the first existing fan system.
Fig. 2 is the composition schematic diagram of the existing fan system of the second.
Fig. 3 is the composition schematic diagram of fan system of the present invention.
Fig. 4 is another preferred embodiment of fan system of the present invention.
Fig. 5 A is the voltage and current waveform of this fan system of Fig. 3.
Fig. 5 B is the voltage and current waveform of this fan system of Fig. 4.
Fig. 6 is a preferred embodiment again of fan system of the present invention.
Reference numeral explanation
1 fan system 2 power supply unit
3 fan system 4 fan systems
10 drive unit 20 sensing components
30 drivings are disconnected puts 40 drive units
50 soft start unit 60 protected locations
S1 first switch S 2 second switch
S3 the 3rd switch S 4 the 4th switch
S5 the 5th switch C capacitor
R1 first resistor R2 second resistor
R3 the 3rd resistor R4 the 4th resistor
R5 the 5th resistor L coil
Embodiment
Refer to shown in Fig. 3, fan system 4 of the present invention is connected to a power supply unit 2 electrically, and this fan system 4 comprises: drive unit 40, sensing component 20,1 first switch S 1, second switch S2 and coil L.This drive unit 40 is connected to this power supply unit 2 electrically, this sensing component 20 is connected to this drive unit 40 electrically, this first switch S 1 and this second switch S2 are connected to this power supply unit 2 and this drive unit 40 all simultaneously electrically, and this coil L is then connected between this first switch S 1 and this second switch S2 electrically.
This drive unit 40 has more one the 3rd switch S 3 and one the 4th switch S 4, and the 3rd switch S 3 with the 4th switch S 4 is and this first switch S 1, this second switch S2 and this coil L forms bridge-type and connects, and this drive unit 40 can control the mutual conducting of described switch, change to make the electric current on this coil of circulation L, and to make to be located in this fan system 4 and the motor (not shown) being equiped with this coil L is operated, and this sensing component 20 can be embodied as a Hall sensing component, it is in order to sense the rotating speed of this motor, and produce a signal to this drive unit 40, and make this drive unit 40 obtain the rotating speed adjusting this motor according to this.
This drive unit 40 above-mentioned can be embodied as an integrated circuit (IC), and the 3rd switch S 3 and the 4th switch S 4 is fabricated directly in the inside of this integrated circuit by the manufacture of integrated circuit.
What must supplement at this is, this first switch S 1 above-mentioned and this second switch S2 can be embodied as P-type crystal pipe, and the 3rd switch S 3 and the 4th switch S 4 can be embodied as N-type transistor, thus, be easy to be fabricated directly in the N-type transistor in this drive unit 40 circuit, this drive unit 40 can be made to have preferably success rate producing in process, and because the component characteristic of N-type transistor, and this drive unit 40 can be made to have higher power output, improve the applicability of this fan system 4 significantly, and the expenditure reduced the cost; On the other hand, by this first switch S 1 and this second switch S2(P transistor npn npn) be arranged on outside drive unit 40, the heat energy produced in this drive unit 40 inside can be reduced, and reduce the chance of this drive unit 40 damage.
Refer to shown in Fig. 4, one first resistor R1 is more comprised between this sensing component 20 and this drive unit 40, this first resistor R1 uses as current limliting, by this drive unit 40 export this sensing component 20 to an electric current can lower via this first resistor R1, and the voltage waveform making this sensing component 20 feed back to this drive unit 40 changes, shown in Fig. 5 A and Fig. 5 B, shown in Fig. 5 A be when not yet adding this first resistor R1 (as shown in Figure 3), this sensing component 20 feed back to the voltage waveform (as sine waveform in figure) of this drive unit 40 and this drive unit 40 export to as described in the current waveform (as this two square-wave waveform in figure) of switch, in the case, the current waveform that this drive unit 40 exports will produce when commutating a surging, its producing cause is the change (during commutation, slope is large) rapidly when commutating of the higher-order of oscillation that produces of this drive unit 40 inside, therefore this motor will be caused inevitably to produce in the running and to have noise, and as shown in Figure 5 B, by the setting of this first resistor R1, the amplitude of this voltage waveform is reduced, when this voltage waveform can be made to commutate, slope diminishes, change comparatively relaxes, make the impact of this higher-order of oscillation on this current waveform slow down further, and effectively controlled the noise that this motor produces when commutating.
Refer to shown in Fig. 6; this fan system 4 of the present invention more comprises soft start unit 50 and a protected location 60; this soft start unit 50 is connected to this drive unit 40 electrically, this protected location 60 then while be connected to this drive unit 40 and this soft start unit 50 electrically.
This soft start unit 50 is made up of one second resistor R2, one a 3rd resistor R3 and capacitor C; One end of this second resistor R2 is connected to this drive unit 40 electrically, its other end is connected to this drive unit 40 electrically, one end of 3rd resistor R3 is connected to the other end of this second resistor R2 electrically, and the other end of the 3rd resistor R3 is then connected to a ground end electrically, one end of this capacitor C is connected to this end of this three resistor R3 electrically, and the other end of this capacitor C is then connected to this ground end electrically; This second resistor R2 and the 3rd resistor R3 forms a partial-pressure structure, the voltage received by this driving device 40 can be inputed to this capacitor C and charge by it, when this capacitor C charges to a reference value, this drive unit 40 begins to export maximum rated current to described switch to drive this motor running in full speed, and the above-mentioned charging interval, be the time of soft start.
This protected location 60 is made up of one the 4th resistor R4, one the 5th resistor R5 and the 5th switch S 5; One end of 4th resistor R4 is connected to this soft start unit 50 electrically, and the other end is connected to the one first auspicious of the 5th switch S 5 electrically, one end of 5th resistor R5 is connected to this soft start unit 50 electrically, and the other end connects one second end of the 5th switch S 5 electrically, one the 3rd end of the 5th switch S 5 is then connected to this ground end electrically; When there is locking-in state in this fan system 4 (such as: flabellum snaps into foreign matter) the 5th this second termination of switch S 5 receive an alarm signal V, and make the 5th switch S 5 be the state of conducting, and this capacitor C is promptly discharged via the 5th switch S 5 to this ground end, thus, can guarantee without remaining electric energy in this capacitor C when this fan system 4 removes this locking-in state, and the error of soft start function when this drive unit 40 of unlikely generation restarts.
In sum, because complying with a kind of fan system of the present invention and device thereof, its be by by two switch-linear hybrid outside drive unit, another two switch-linear hybrid are in drive unit, and can reach and manufacture simple, drive unit heat energy and reduce, produce the effects such as cost raising, power output increase, historical facts or anecdotes is a splendid design.
Moreover the present invention is separately provided with current-limiting resistor by between drive unit and sensing component, and effectively can reduce the dynamic noise of fan system running, be also a splendid design.
In addition, the present invention is connected to this drive unit with soft start unit, separately arrange again protected location to protect the running correctness of soft start unit, and can reduce unnecessary error, the Integral lifting operating efficiency of fan system.
The foregoing is only exemplary, but not be restricted person.Anyly do not depart from spirit of the present invention and category, and to its equivalent modifications of carrying out or change, all should be contained in accompanying claim.
Claims (5)
1. a fan system, it comprises:
One first switch;
One second switch;
One coil, is installed in a motor of this fan system;
One drive unit, have one the 3rd switch and one the 4th switch, the 3rd switch forms bridge-type with the 4th switch with this first switch, second switch and this coil and is connected,
One sensing component, is connected to this drive unit electrically, and in order to sense the rotating speed of this motor, this drive unit exports an electric current to this sensing component through one the 6th resistor,
One soft start unit, comprise one second resistor, one the 3rd resistor and a capacitor, one first end of this second resistor is connected to this drive unit electrically, one second end of this second resistor is connected to this drive unit electrically, one first end of the 3rd resistor is connected to this second end of this second resistor electrically, and one second end of the 3rd resistor is then connected to a ground end electrically, one first end of this capacitor is connected to this first end of this three resistor electrically, and one second end of this capacitor is then connected to this ground end electrically, this second resistor and the 3rd resistor form a partial-pressure structure, a voltage by this drive unit is inputed to the charging of this capacitor by this partial-pressure structure, and
One protected location, comprise one the 4th resistor, one the 5th resistor and one the 5th switch, one first end of the 4th resistor is connected to this soft start unit electrically, one second end of the 4th resistor is connected to the one first auspicious of the 5th switch electrically, one first end of the 5th resistor is connected to this soft start unit electrically, one second end of the 5th resistor connects one second end of the 5th switch electrically, and one the 3rd end of the 5th switch is then connected to this ground end electrically; When this fan system generation locking-in state, this second termination of the 5th switch receives an alarm signal, and makes the 5th switch be the state of conducting, and this capacitor is promptly discharged via the 5th switch to this ground end,
Wherein this drive unit is an integrated circuit, and the 3rd switch and the 4th switch are fabricated directly in this integrated circuit by the manufacture by integrated circuit,
Wherein the 5th switch is N-type transistor.
2. fan system as claimed in claim 1, wherein, this sensing component is a Hall sensing component.
3. fan system as claimed in claim 1, wherein, this first switch and this second switch are P-type crystal pipes.
4. fan system as claimed in claim 1, wherein, the 3rd switch and the 4th switch are N-type transistor.
5. a fan system, it comprises:
One first switch;
One second switch;
One coil, is installed in a motor of this fan system;
One drive unit, have one the 3rd switch and one the 4th switch, the 3rd switch forms bridge-type with the 4th switch with this first switch, second switch and this coil and is connected,
One soft start unit, comprise one second resistor, one the 3rd resistor and a capacitor, one first end of this second resistor is connected to this drive unit electrically, one second end of this second resistor is connected to this drive unit electrically, one first end of the 3rd resistor is connected to this second end of this second resistor electrically, and one second end of the 3rd resistor is then connected to a ground end electrically, one first end of this capacitor is connected to this first end of this three resistor electrically, and one second end of this capacitor is then connected to this ground end electrically, this second resistor and the 3rd resistor form a partial-pressure structure, a voltage by this drive unit is inputed to the charging of this capacitor by this partial-pressure structure, and
One protected location, comprise one the 4th resistor, one the 5th resistor and one the 5th switch, one first end of the 4th resistor is connected to this soft start unit electrically, one second end of the 4th resistor is connected to the one first auspicious of the 5th switch electrically, one first end of the 5th resistor is connected to this soft start unit electrically, one second end of the 5th resistor connects one second end of the 5th switch electrically, and one the 3rd end of the 5th switch is then connected to this ground end electrically; When this fan system generation locking-in state, this second termination of the 5th switch receives an alarm signal, and makes the 5th switch be the state of conducting, and this capacitor is promptly discharged via the 5th switch to this ground end,
Wherein this drive unit is an integrated circuit, and the 3rd switch and the 4th switch are fabricated directly in this integrated circuit by the manufacture by integrated circuit,
Wherein the 5th switch is N-type transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210364968.3A CN102916629B (en) | 2006-05-23 | 2006-05-23 | Fan system |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100844782A CN101079587A (en) | 2006-05-23 | 2006-05-23 | Fan system |
| CN201210364968.3A CN102916629B (en) | 2006-05-23 | 2006-05-23 | Fan system |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100844782A Division CN101079587A (en) | 2006-05-23 | 2006-05-23 | Fan system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102916629A CN102916629A (en) | 2013-02-06 |
| CN102916629B true CN102916629B (en) | 2016-04-06 |
Family
ID=38906869
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100844782A Pending CN101079587A (en) | 2006-05-23 | 2006-05-23 | Fan system |
| CN201210364968.3A Active CN102916629B (en) | 2006-05-23 | 2006-05-23 | Fan system |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100844782A Pending CN101079587A (en) | 2006-05-23 | 2006-05-23 | Fan system |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN101079587A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008015297A1 (en) * | 2008-03-20 | 2009-10-01 | Fujitsu Siemens Computers Gmbh | Circuit unit for controlling an electronically commutated fan motor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6747300B2 (en) * | 2002-03-04 | 2004-06-08 | Ternational Rectifier Corporation | H-bridge drive utilizing a pair of high and low side MOSFETs in a common insulation housing |
| CN100424987C (en) * | 2003-08-29 | 2008-10-08 | 台达电子工业股份有限公司 | Circuit for controlling fan rotating speed |
| CN100353634C (en) * | 2004-01-16 | 2007-12-05 | 台达电子工业股份有限公司 | Discharge protection circuit |
| CN100356671C (en) * | 2004-08-06 | 2007-12-19 | 台达电子工业股份有限公司 | Drive circuit improvement method |
-
2006
- 2006-05-23 CN CNA2006100844782A patent/CN101079587A/en active Pending
- 2006-05-23 CN CN201210364968.3A patent/CN102916629B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102916629A (en) | 2013-02-06 |
| CN101079587A (en) | 2007-11-28 |
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