CN101201060B - Fan system and starting method therefor - Google Patents
Fan system and starting method therefor Download PDFInfo
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- CN101201060B CN101201060B CN200610166931A CN200610166931A CN101201060B CN 101201060 B CN101201060 B CN 101201060B CN 200610166931 A CN200610166931 A CN 200610166931A CN 200610166931 A CN200610166931 A CN 200610166931A CN 101201060 B CN101201060 B CN 101201060B
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Abstract
A fan system includes a connecting device, a control device and a fan device. The connecting device has a plurality of pins which receive at least one drive signal and one start signal. The control device has an electric connection with a plurality of pins of the connecting device and has a start and control unit. The start and control unit generates the first enabled signal according to the startsignal and the control device outputs the first enabled signal and the drive signal synchronously. The fan device has electric connection with the control device and has a plurality of fans. The fan device synchronously transmits the drive signal to a plurality of fans according to the first enabled signal and drives the fans synchronously.
Description
Technical field
The present invention is about a kind of fan system and startup method thereof, especially in regard to a kind of can be synchronously or sequential system start fan system and startup method thereof.
Background technique
High development along with science and technology; Functional requirement for electronic equipment is high more, and the number of electronic components of use and aggregation degree are also just more for improving, relatively; The demand of its heat radiation is also big more, so the quality of heat sinking function will directly influence the reliability and the working life of electronic equipment.
Utilizing fan is to be common structure setting as sink; When client system side is used; Usually understand the different demands of customer in response end and increase or reduce number of fans; And through control gear or control chip driving and the rotating speed of the fan of control fan system, but make fan fit system the actual operation situation and adjust the rotating speed of fan.
Please with reference to shown in Figure 1, a kind of known fan system 1 is electrically connected with a client system side SB1 each other, and fan system 1 comprises that a heat substitutes control gear 11, a control gear 12 and a fan assembly 13.Usually this client system side SB1 provides primary power supply MP1 and secondary source SP1; And have a connector C1, and connector C1 is sent to this fan system 1 in order to the one second drive signal S02 that one first drive signal S01 that primary power supply MP1 is produced and secondary source SP1 are produced.
This heat is substituted a plurality of heat that control gear 11 has a mutual electrical connection and is substituted element 111,112 and a plurality of pin 113; These a plurality of heat are substituted element 111,112 and are electrically connected with this client system side SB1, this control gear 12 and this fan assembly 13 respectively, and receive these a plurality of first drive signal S01 or this a plurality of second drive signal S02 respectively.
This control gear 12 is a DSP digital signal processor or a microprocessor, and this heat is substituted element 112 this second drive signal of transmission S02 to start this control gear 12.
This fan assembly 13 is electrically connected with this control gear 12; And have a plurality of fans 131 and an a plurality of buffer circuit 132; These a plurality of heat are substituted element 111 these a plurality of first drive signal S01 of transmission to start these a plurality of fans 131 respectively; And these a plurality of buffer circuits 132 are electrically connected between this control gear 12 and these a plurality of fans 131; To transmit a pulse width modulating signal (PWM) P that this control gear 12 produced, make these a plurality of fans 131 change rotating speed according to this pulse width modulating signal P to these a plurality of fans 131.
Generally speaking; This fan system 1 must provide this client system side SB1 enough radiating requirements under any state; So when a fan 131 wherein of this fan system 1 damages; Then can substitute element 111 and substitute the new fan of mode instantaneously changing of (hot-swap), use the radiating requirements of keeping client system side SB1 with heat through heat.Yet; For the primary power supply MP1 of this client system side SB1 and secondary source SP1 corresponding this a plurality of heat that connect substitute part first 111,112 and be power initiation independently separately; So when the user plugs improperly; Substitute these pin 113 easy bendings of control gear 11 except meeting causes this heat,, and have the problem of bad connection to produce easily also because of the point of contact with this connector C1 diminishes.
In addition; Because the motor of this fan 131 (figure does not show) is the load of dynamic inductance property; Die and start to the very big inrush current of steady state need from state of rest; And, possibly between this connector C1 of this fan system 1 and this client system side SB1, produce inrush current (inrush current), surge voltage (spike voltage) or spike noise (spike noise), even produce the arcing phenomenon in the moment that this fan system 1 starts; Be electric arc (electric arc), cause the infringement of this client system side SB1 or this fan system 1.
In addition; These a plurality of pins 113 that present this heat is substituted control gear 11 are made float connector (floating connector) (as shown in Figure 2) or floating circuit plate (floating board) (figure does not show) usually; To guarantee that these a plurality of pins 112 touch this connector C1 simultaneously in moment; But; This kind mode still can't effectively reach and fully suppress the generation of spike noise in these a plurality of pins 113; And when heat was substituted, these a plurality of heat are substituted plus or minus spike noise that element 111 produced can remove to damage the small-signal electronic component (figure does not show) of this fan system 1 through this pin 113 via the ground loop of primary power supply MP1, so can add these a plurality of buffer circuits 132 usually to protect.In addition; Substitute element 111 if use these a plurality of heat continually; Be prone to take place the situation of oxidation bad connection except meeting makes the point of contact (terminal) of these a plurality of pins 113, the life-span that also makes these a plurality of heat substitute element 111 reduces, and then reduces the quality of this fan system 1.
In addition; Because the member of client system side SB1 and function thereof are got over complicated, and be also high more for the function requirement of this fan system 1, yet; After this fan system 1 of known technology is imported this first drive signal S01 and this second drive signal S02 simultaneously; This fan 131 of OnNow, different demands or different occasion that can not customer in response system end SB1, and change the Starting mode of this fan system 1.
How the whence provides a kind of and can protect client system side and fan system simultaneously because of in this, and the demand of customer in response system end has become one of important topic with fan system and startup method thereof synchronous or that sequential system starts.
Summary of the invention
Because above-mentioned problem, the object of the invention can be protected client system side and fan system simultaneously for providing a kind of, and the demand of customer in response system end is with fan system and startup method thereof synchronous or that sequential system starts.
Edge is for reaching above-mentioned purpose, to comprise a connection set, a control gear and a fan assembly according to a kind of fan system of the present invention.This connection set receives an at least one drive signal and an actuating signal; This control gear is electrically connected with this connection set, and this control gear produces one first according to this actuating signal and launches signal, and this first launches signal and this drive signal to use synchronous output; This fan assembly is electrically connected with this control gear, and receives this and first launch signal to control this drive signal synchronous transfer.
For reaching above-mentioned purpose, according to the startup method of a kind of fan system of the present invention, wherein this fan system has a plurality of fans, and this startup method comprises: receive at least one drive signal; Receive an actuating signal; Produce one first according to this actuating signal and launch signal; And according to this first launch signal with this drive signal of synchronous transfer to these a plurality of fans, and synchronous drive.
For reaching above-mentioned purpose, comprise a connection set, a control gear and a fan assembly according to a kind of fan system of the present invention.This connection set receives an at least one drive signal and an actuating signal; This control gear is electrically connected with this connection set, and this control gear produces a plurality of first according to this actuating signal and launches signal, and output in regular turn this a plurality of first launch signal and this drive signal; This fan assembly is electrically connected with this control gear, and a plurality of first launches signal and transmit in regular turn to control this drive signal according to this.
For reaching above-mentioned purpose, according to the startup method of a kind of fan system of the present invention, wherein this fan system has a plurality of fans, and this startup method comprises: receive at least one drive signal; Receive an actuating signal; Produce a plurality of first in regular turn according to this actuating signal and launch signal; And according to should a plurality of first launching signal exporting this drive signal to these a plurality of fans in regular turn, and driving in regular turn.
Hold the above; Because of foundation a kind of fan system of the present invention and startup method thereof; Through this start-up control unit that this control gear had; First launch signal to export this in regular turn or synchronously according to this actuating signal, and make this fan assembly first launch signal and export this drive signal in regular turn or synchronously, to start these a plurality of fans in regular turn or synchronously according to this.Thus, not only can be through this start-up control unit as the function that starts or close whole this fan assembly, can also through this start-up control unit in regular turn or synchronization control start these a plurality of fans.
Description of drawings
Fig. 1 is the schematic representation of the known a kind of fan system of expression;
Fig. 2 substitutes the structural drawing of the pin of control gear for known fan system one heat of expression;
Fig. 3 is the schematic representation of expression according to a kind of fan system of the present invention's first preferred embodiment;
Fig. 4 for expression according to a kind of fan system of the present invention's first preferred embodiment, its connection set has the schematic representation of the pin that first pin and second pin constituted;
Fig. 5 is a kind of fan system of expression according to the present invention's first preferred embodiment, and its control gear has the schematic representation of a delay circuit;
Fig. 6 is the flow chart of expression according to the startup method of a kind of fan system of the present invention's first preferred embodiment.
Fig. 7 is the schematic representation of expression according to a kind of fan system of the present invention's second preferred embodiment; And
Fig. 8 is the flow chart of expression according to the startup method of a kind of fan system of the present invention's second preferred embodiment.
The component symbol explanation:
11: heat is substituted control gear
111,112: heat is substituted element
113,31,71: pin
12,4,8: control gear
13,5,9: fan assembly
131,51,91: fan
132: buffer circuit
3,7: connection set
31a: first pin
31b: second pin
41,81: the start-up control unit
411,811: the first switching elements
412,812: the second switch element
413,813: controller
414,814: heat is substituted control unit
415: delay circuit
42,82: the insulation blocking unit
421,821: the first protective circuits
422,822: the first buffer circuits
51,91: fan
52,92: heat is substituted control unit
53,93: the second buffer circuits
C1, C2, C3: connector
MP1, MP2, MP3: primary power supply
SB1, SB2, SB3: client system side
SP1, SP2, SP3: secondary source
S01: first drive signal
S02: second drive signal
S11, S11 ', S21, S21 ': drive signal
S12, S22: actuating signal
S13, S23: first launches signal
P: pulse width modulating signal
S1-S3, S4-S6: the step of startup method
Embodiment
Below will a kind of fan system and startup method thereof according to preferred embodiment of the present invention be described with reference to relevant drawings.
Please with reference to shown in Figure 3, the fan system of the present invention's first preferred embodiment comprises a connection set 3, a control gear 4 and a fan assembly 5.This fan system of present embodiment is electrically connected with a connector C2 of a client system side SB2 in implementing to go up; And this client system side SB2 provides at least one drive signal S11, S11 ' and an actuating signal S12 and deliver to this fan system through this connector C2; And this drive signal S11 is then produced by the primary power supply MP2 of this client system side SB2 on implementing; This drive signal S11 ' is then produced by secondary source SP2, and then with this client system side SB2 many drive signals S11, S11 ' being provided at this is example.In addition, a plurality of drive signal S11 of this of present embodiment, S11 ' and this actuating signal S12 are all different voltage quasi positions, and this actuating signal S12 is a low-potential signal or a ground signalling on implementing, and is example with the ground signalling at this.
This connection set 3 of present embodiment has many pins 31 being electrically connected with this connector C2 of this client system side SB2, to receive simultaneously and to transmit this drive signal S11, S11 ' and this actuating signal S12.
This control gear 4 is electrically connected with these a plurality of pins 31 of this connection set 3, and has a start-up control unit 41 and an insulation blocking unit 42 is electrically connected each other.
This start-up control unit 41 has one first switching element 411, a second switch element 412 and a controller 413.This first switching element 411 is electrically connected with this connection set 3; This second switch element 412 is electrically connected between this first switching element 411 and this controller 413; And this controller 413 is electrically connected with this fan assembly 5, and produces a pulse width modulating signal (PWM) P.In addition; This start-up control unit 41 of present embodiment also has a heat and substitutes control unit (hot-swapcontroller) 414; Be electrically connected between this second switch element 412 and this controller 413; Conducting when this heat is substituted control unit 414 through this first switching element 411 and this second switch element 412; Receiving this drive signal S11 ' and this actuating signal S12, and according to this actuating signal S12 so that this drive signal S11 ' is transferred to this controller 413, to start this controller 413.This controller 413 produces this according to this drive signal S11 ' and this actuating signal S12 and first launches signal S13, and this first launches signal S13 and this drive signal S11 to control this start-up control device 4 output synchronously.This controller 413 of present embodiment is a microprocessor, a DSP digital signal processor or a control chip on implementing.And this heat is substituted control unit 414 and can be substituted mode to change or to substitute new controller (figure does not show) through heat.
In present embodiment, this insulation blocking unit 42 has a plurality of first protective circuits 421 and one first buffer circuit 422.These a plurality of first protective circuits 421 are electrically connected with these a plurality of pins 31 and this fan assembly 5 of this connection set 3 respectively; And this connection set 3 receives these a plurality of drive signal S11 certainly; These a plurality of first protective circuits 421 are sent to this fan assembly 5 in order to guarantee that these a plurality of drive signal S11 can stablize, and avoid producing reverse current.And this first buffer circuit 422 is electrically connected between this controller 413, these a plurality of first protective circuits 421 and this fan assembly 5; These a plurality of first buffer circuits 422 are launched the grounding end of signal S13 in order to isolate these a plurality of drive signal S11 and this first, remove to damage this fan assembly 5 of back level via the grounding end of primary power supply MP2 to avoid the plus or minus spike noise; In addition, this first buffer circuit 422 also first is launched signal S13 to this fan assembly 5 in order to transmit this.
In present embodiment, this fan assembly 5 has a plurality of fans 51 and a plurality of heat is substituted control unit 52.These a plurality of heat are substituted control unit 52 and are electrically connected with this insulation blocking unit 42 and this a plurality of fans 51 of this control gear 4 respectively, first launch signal S13 and this drive signal of synchronous transfer S11 uses these a plurality of fans 51 of startup with reception and according to this.In addition, these a plurality of heat are substituted control unit 52 and can be substituted mode to change or to substitute new fan (figure does not show) through heat.
After these a plurality of fans 51 started, this controller 413 can be controlled the rotating speed of these a plurality of fans 51 according to this pulse bandwidth modulation signal P.In addition; This fan assembly 5 of present embodiment also has a plurality of second buffer circuits 53; The a plurality of fan of its quantity and this 51 is corresponding in implement going up; And be electrically connected between this controller 413 and these a plurality of fans 51, and these a plurality of second buffer circuits 53 are in order to isolating the grounding end of these a plurality of drive signal S11 and this controller 413, and can be in order to this pulse width modulating signal P is stably transferred to this a plurality of fans 51 from this controller 413.
Please refer again to shown in Figure 3; The start method of the synchronous startup of this fan system of present embodiment is following: after this fan system and this client system side SB2 interconnected, a plurality of pins 31 of this of this connection set 3 received this drive signal S11, S11 ' and this actuating signal S12 simultaneously through this connector C2.At this moment; This start-up control unit 41 of this control gear 4; Start this controller 413 according to this actuating signal S12 and this drive signal S11 ', and make this controller 413 produce this first to launch signal S13, and this first launches signal S13 and this drive signal S11 to control this control gear 4 output synchronously; This insulation blocking unit 42 then isolates this drive signal S11 and this first and launches signal S13; And guarantee that this drive signal S11 and this first launch signal S13 and can stably transfer to this fan assembly 5, this heat of this fan assembly 5 is substituted 52 of control units and first is launched signal S13 and with this drive signal S11 synchronous transfer to these a plurality of fans 51, with these a plurality of fans 51 of synchronous startup according to this; In addition, this controller 413 is with the rotating speed of these a plurality of fans 51 of this pulse width modulating signal P control.
Because after this drive signal S11, S11 ' and this actuating signal S12 transfer to this control gear 4; Can't start this a plurality of fans 51 immediately; But this start-up control unit 41 produce according to this actuating signal S12 this first launch signal S13 after beginning this drive signal of synchronous transfer S11, S11 '; And starting synchronously this a plurality of fans 51, this kind mode is except can be through this start-up control unit 41 as startup or close the function of this fan assembly 5; Can also make this control gear 4 have the effect of these a plurality of fan assemblys 5 of synchronous startup; Certainly, also can guarantee that these a plurality of pins 31 when receiving these a plurality of drive signal S11, S11 ', do not have the generation of any electric arc (electric arc) and plus or minus spike noise (spike noise).In addition; When this insulation blocking unit 42 transmits these a plurality of drive signal S11 to this fan assembly 5 except can effectively suppressing this control gear 4; Surge voltage (spike voltage) or inrush current (inrush current) that primary power supply MP2 is produced in these fan assembly 5 ends; This insulation blocking unit 42 also can cooperate these a plurality of heat to substitute control unit 52, to suppress to start the spike noise that moment was produced (spike noise) of this fan assembly 5.
In addition; Please with reference in embodiment illustrated in fig. 4, a plurality of pins 31 of this of this connection set 3 can be made up of a plurality of first pin 31a and one second pin 31b; And be electrically connected with this connector C2 of this client system side SB2; For example should a plurality of first pin 31a and this second pin 31b insert among this connector C2, to be electrically connected each other, with reception these a plurality of drive signal S11, S11 ' and this actuating signal S12 with many pins (figure does not show) of this connector C2.In addition, the length of these a plurality of first pin 31a is isometric each other, and greater than the length of this second pin 31b.So when this fan system is electrically connected with this client system side SB2 each other; The a plurality of first pin 31a of this of this connection set 3 can contact with this connector C2 earlier; This moment, this control gear 4 received these a plurality of drive signal S11, S11 ' simultaneously through these a plurality of first pin 31a; Then this second pin 31b contacts with this connector C2 to receive this actuating signal S12 again, and meaning promptly has between these a plurality of drive signal S11, S11 ' and this actuating signal S12 successively imports this fan system a blanking time.Present embodiment cooperates this start-up control unit 41 to strengthen starting or closing in the foregoing description the function of this fan assembly 5 through this second pin 31b; Can guarantee that in addition these a plurality of first pin 31a when receiving these a plurality of drive signal S11, S11 ', do not have the generation of any electric arc (electric arc) and plus or minus spike noise (spike noise).
Another strengthen to start or the effect of closing whole this fan assembly 5 then please with reference to shown in Figure 5; Wherein this start-up control unit 41 of present embodiment also has a delay circuit 415; Be electrically connected on this pin 31 and this first switching element 411 of this connection set 3, in addition, this delay circuit 415 can be a RC delay circuit on implementing; For example can be embodied as a resistor and a capacitor (figure does not show) of mutual electrical connection, and this resistor and this capacitor matching share to produce a retard time.In present embodiment; As this delay circuit 415 reception this actuating signal S12 and after retard time; Just transmit this actuating signal S12 and this drive signal S11, S11 ', and through this first switching element 411 and this second switch element 412 to start this controller 413.This kind mode, the effect that then can cooperate these controllers 413 to reach aforementioned startup or close this fan assembly 5 through this delay circuit 415.
It below is narration according to the startup method of the fan system of the present invention's first preferred embodiment.Please with reference to shown in Figure 6, the startup method of the fan system of the present invention's first preferred embodiment can be applicable to this fan system of above-mentioned first preferred embodiment (as shown in Figure 3).
The startup method of this fan system comprises step S1 to S3.
Step S1 receives at least one drive signal S11, S11 ' and an actuating signal S12.This actuating signal S12 of present embodiment is a low-potential signal or a ground signalling.
Step S2 produces one first according to this actuating signal S12 and launches signal S13.Wherein, this first launch signal S13 through as this control gear 4 in the previous embodiment according to this actuating signal S12 with the generation.
Step S3 according to this first launch signal S13 with this drive signal of synchronous transfer S11 to these a plurality of fans 51, and synchronous drive.Wherein, these a plurality of drive signal S11 through as this control gear 4 in the previous embodiment according to this first launch signal S13 with the transmission.
Below please with reference to Fig. 7, comprise a connection set 7, a control gear 8 and a fan assembly 9 according to the fan system of the present invention's second preferred embodiment.Wherein, This fan system is electrically connected with a connector C3 of a client system side SB3 each other; And structure, characteristic and the effect of the Placement of this fan system of present embodiment and this client system side SB3 and this client system side SB3; Identical with structure, characteristic and the effect of the Placement of this fan system of this first preferred embodiment (as shown in Figure 3) and this client system side SB2 and this client system side SB2, so repeat no more in this.So this client system side SB3 of present embodiment provides these a plurality of drive signal S11, S11 ' and this actuating signal S12 of at least one drive signal S21, S21 ' and an actuating signal S22 and first preferred embodiment to have same characteristic features and effect, repeats no more in this.
This connection set 7 of present embodiment has a plurality of pins 71, and is electrically connected with this client system side SB3, to receive these a plurality of drive signal S21, S21 ' and this actuating signal S22.
Please refer again to shown in Figure 7; In present embodiment; This control gear 8 is electrically connected with these a plurality of pins 71 of this connection set 7, and has a start-up control unit 81 and an insulation blocking unit 82, and receives these a plurality of drive signal S21, S21 ' and this actuating signal S22 through these a plurality of pins 71.
This start-up control unit 81 has one first switching element 811, a second switch element 812 and a controller 813.This first switching element 811 is electrically connected with this connection set 7, and this second switch element 812 is electrically connected between this first switching element 811 and this controller 813.In addition, this start-up control unit 81 also has a heat and substitutes control unit 814, is electrically connected with this second switch element 812 and this controller 813 respectively.This heat is substituted the conducting of control unit 814 through this first switching element 811 and this second switch element 812; To receive this drive signal S21 ' and this actuating signal S22; And start this controller 813; And this controller 813 produces a pulse bandwidth modulation signal P in starting the back, and produces a plurality of first in regular turn according to this actuating signal S22 and launch signal S23.This heat of present embodiment is substituted control unit 814, in implementing then and can substituting mode to change or to substitute new controller (figure does not show) with heat.
This insulation blocking unit 82 has a plurality of first protective circuits 821 and a plurality of first buffer circuit 822.These a plurality of first protective circuits 821 are electrically connected with these a plurality of pins 71 and this fan assembly 9 respectively, can stably transfer to this fan assembly 9 in order to guarantee these a plurality of drive signal S21, S21 ', and avoid reverse current to produce.These a plurality of first buffer circuits 822 are electrically connected between this controller 813, these a plurality of first protective circuits 821 and this fan assembly 9; It is in order to isolating the grounding end of should a plurality of first launching signal S23 and these a plurality of drive signal S21, S21 ', and transmits this in regular turn and a plurality of first launch signal S23 to this fan assembly 9.
This fan assembly 9 has a plurality of fans 91 and a plurality of heat is substituted control unit 92 in the present embodiment, and these a plurality of heat are substituted control unit 92 and are arranged between this insulation blocking unit 82 and these a plurality of fans 91.These a plurality of heat are substituted control unit 92 and are received this in regular turn and a plurality of first launch signal S23, and a plurality of first launch signal S23 and in regular turn this drive signal S21, S21 ' are transferred to this a plurality of fans 91 according to this, with these a plurality of fans 91 of sequential start.In addition, this fan assembly 9 also has a plurality of second buffer circuits 93, and it is electrically connected between this controller 813 and these a plurality of fans 91.The a plurality of fan of this of this fan assembly 9 of present embodiment 91, these a plurality of heat substitute control unit 92 and this a plurality of second buffer circuits 93 and above-mentioned first preferred embodiment this fan assembly 5 should be a plurality of fan 51, these a plurality of heat substitute control unit 52 and reach these a plurality of second buffer circuits 53 and have same characteristic features, start and effect, so repeat no more in this.
Please refer again to shown in Figure 7ly, the start method of the sequential start of this fan system of present embodiment is following: after this fan system and this client end interconnected, these a plurality of pins 71 received these a plurality of drive signal S21, S21 ' and this actuating signal S22 simultaneously.At this moment; Signal S23 a plurality of first is launched according to this actuating signal S22 so that this controller 813 produces and export this in regular turn in this start-up control unit 81; This insulation blocking unit 82 then isolates this drive signal S21 and this first and launches signal S23 this a plurality of first launches signal S23 to this fan assembly 9 stably to export this drive signal S21 and output in regular turn; The a plurality of heat of this of this fan assembly 9 are substituted 92 of control units and first are launched signal S23 and in regular turn this drive signal S21 is transferred to this a plurality of fans 91 according to this, with these a plurality of fans 91 of sequential start.
What this must explain in addition be; Because this controller 813 is a microprocessor, a DSP digital signal processor or a control chip on implementing; Therefore can be through software or hardware design; And make this controller 813 a plurality of first launch between the signal S23 and to arrange a retard time in this, and reach the effect of transmitting in regular turn and starting.
Because when these a plurality of drive signal S21, S21 ' and this actuating signal S22 transfer to this control gear 8; Can't start this a plurality of fans 91 immediately; On the contrary until this start-up control unit 81 produce in regular turn according to this actuating signal S22 this a plurality of first launch signal S23 after; This fan assembly 9 just according to should a plurality of first launch signal S23 and foundation should a plurality of drive signal S21, S21 ' transfers to this a plurality of fans 91, and sequential start.This kind mode, except this start-up control unit 81 capable of using as starting or closing the function of whole this fan assembly 9, can also make this control gear 8 have the effect of this fan assembly 9 of sequential start.Certainly; This insulation blocking unit 82 of this fan system of present embodiment, these a plurality of pins 71 and this heat are substituted control unit 92 and are substituted control unit 92 with this insulation blocking unit 82, these a plurality of pins 71 and this heat of this fan system of above-mentioned first preferred embodiment and have identical effect, repeat no more in this.
In addition in present embodiment; If desire strengthens starting or closing the effect of this fan assembly 9; Then can be through should being constituted with a plurality of first pins and one second pin by a plurality of pins 71, and the length of these a plurality of first pins is greater than the length (figure does not show) of this second pin; Or be electrically connected a delay circuit (figure does not show) between this connection set 7 of present embodiment and this first switching element 811; Wherein these a plurality of pins, this second pin and this delay circuit can be embodied as mode as shown in Figure 4 or as shown in Figure 5, so repeat no more in this.
Below, please with reference to shown in Figure 8, being the narration of the startup method of the fan system of the present invention's second preferred embodiment, it can be applicable to this fan system of above-mentioned second preferred embodiment (as shown in Figure 7), is example at this and to be applied to this fan system.
The startup method of this fan system comprises step S4 to S6 in this instance.
Step S4 receives at least one drive signal S21, S21 ' and an actuating signal S22.
Step S5 produces a plurality of first in regular turn according to this actuating signal S22 and launches signal S23.This actuating signal S22 of present embodiment is a low-potential signal or a ground signalling.And this first launch signal S23 through this control gear 8 according to this actuating signal S22 to produce in regular turn.
Step S6 is according to should a plurality of first launching signal S23 with these a plurality of drive signal S21 of transmission, S21 ' in regular turn, and driving in regular turn.Wherein, this drive signal S21 through this control gear 8 according to should a plurality of first launching signal S23 to transmit.
In sum; Because of foundation a kind of fan system of the present invention and startup method thereof; Export this in regular turn or synchronously according to this actuating signal through this start-up control unit and first launch the unit; And make this fan assembly first launch the unit and export this drive signal in regular turn or synchronously according to this, to start these a plurality of fans in regular turn or synchronously.Thus, not only can also start these a plurality of fans in regular turn or synchronously through this start-up control unit controls through this start-up control unit as the function that starts or close whole this fan assembly.Except that this, also can guarantee that the contact jaw of these a plurality of pins and this connector does not have electric arc (electric arc) generation, and can avoid plus or minus spike noise (spike noise) to be sent to this control gear and this fan assembly via these a plurality of pins.In addition; When this insulation blocking unit can effectively suppress this control gear transmission these a plurality of drive signals to this fan assembly, surge voltage (spike voltage) or the inrush current (inrush current) that main power circuit is produced in this fan assembly end and start the spike noise (spike noise) that this fan assembly moment is produced.
The above is merely illustrative, but not is restricted person.Anyly do not break away from spirit of the present invention and category, and, all should be contained in the accompanying claim its equivalent modifications of carrying out or change.
Claims (17)
1. fan system comprises:
One connection set receives an at least one drive signal and an actuating signal;
One control gear is electrically connected with this connection set, and this control gear produces one first according to this actuating signal and launches signal, and this first launches signal and this drive signal to use synchronous output; And
One fan assembly is electrically connected with this control gear, and receives this and first launch signal to control this drive signal synchronous transfer.
2. fan system comprises:
One connection set receives an at least one drive signal and an actuating signal;
One control gear is electrically connected with this connection set, and this control gear produces a plurality of first according to this actuating signal and launches signal, and output in regular turn this a plurality of first launch signal and this drive signal; And
One fan assembly is electrically connected with this control gear, and a plurality of first launches signal and transmit in regular turn to control this drive signal according to this.
3. according to claim 1 or claim 2 fan system, wherein this actuating signal is a low-potential signal or a ground signalling.
4. according to claim 1 or claim 2 fan system, wherein this fan assembly comprises that at least one fan and a plurality of heat substitutes control unit, it is electrically connected with this control gear and this fan respectively, first to launch signal and transmit this drive signal according to this.
5. according to claim 1 or claim 2 fan system, wherein this control gear comprises a start-up control unit, it comprises:
One first switching element is electrically connected with this connection set, and receives this actuating signal;
One second switch element is electrically connected with this first switching element; And
One controller; Produce a pulse width modulating signal, to control the rotating speed of this fan assembly, this controller is electrically connected with this second switch; And receive this actuating signal, and produce this according to this actuating signal and first launch signal through this first switching element and this second switch element.
6. fan system as claimed in claim 5, wherein this start-up control unit also comprises:
One heat is substituted control unit, be electrically connected with this second switch element and this controller respectively, receiving this actuating signal, and according to this this drive signal of actuating signal transmission to this controller.
7. fan system as claimed in claim 5, wherein this start-up control unit also comprises:
One delay circuit is electrically connected with this connection set and this first switching element respectively, and receives this actuating signal, after a retard time, transmits this actuating signal.
8. fan system as claimed in claim 7, wherein this delay circuit has a resistor and a capacitor is electrically connected each other.
9. fan system as claimed in claim 5, wherein this control gear also has an insulation blocking unit, and it comprises:
A plurality of first protective circuits are electrically connected with this connection set and this fan assembly respectively; And
At least one first buffer circuit is electrically connected with these a plurality of first protective circuits and this controller respectively, launches signal to isolate this drive signal and this first.
10. fan system as claimed in claim 5, wherein this controller is a microprocessor, a DSP digital signal processor or a control chip.
11. fan system as claimed in claim 5; Wherein this fan assembly also comprises at least one fan and a plurality of second buffer circuit; These a plurality of second buffer circuits are electrically connected with this controller and this fan respectively, and this this pulse bandwidth modulation signal of second buffer circuit transmission is to this fan.
12. fan system according to claim 1 or claim 2; Wherein this connection set comprises a plurality of pins; And these a plurality of pins also comprise a plurality of first pins and one second pin; The length of these a plurality of first pins is greater than the length of this second pin, and these a plurality of first pins receive this drive signal at least, and this second pin receives this actuating signal.
13. fan system as claimed in claim 12 wherein successively inputs to this control gear between this drive signal and this actuating signal.
14. the startup method of a fan system, wherein this fan system has a plurality of fans, and this startup method comprises:
Receive an at least one drive signal and an actuating signal;
Produce one first according to this actuating signal and launch signal; And
According to this first launch signal with this drive signal of synchronous transfer to these a plurality of fans, and synchronous drive.
15. the startup method of a fan system, wherein this fan system has a plurality of fans, and this startup method comprises:
Receive an at least one drive signal and an actuating signal;
Produce a plurality of first in regular turn according to this actuating signal and launch signal; And
According to should a plurality of first launching signal transmitting this drive signal to these a plurality of fans in regular turn, and driving in regular turn.
16. like claim 14 or 15 described startup methods, wherein a control gear of this fan system first is launched signal according to this actuating signal to produce this.
17. like claim 14 or 15 described startup methods, wherein a fan assembly of this fan system first is launched signal to transmit this drive signal according to this.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610166931A CN101201060B (en) | 2006-12-12 | 2006-12-12 | Fan system and starting method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610166931A CN101201060B (en) | 2006-12-12 | 2006-12-12 | Fan system and starting method therefor |
Publications (2)
| Publication Number | Publication Date |
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| CN101201060A CN101201060A (en) | 2008-06-18 |
| CN101201060B true CN101201060B (en) | 2012-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610166931A Active CN101201060B (en) | 2006-12-12 | 2006-12-12 | Fan system and starting method therefor |
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| Country | Link |
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| CN (1) | CN101201060B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106571752A (en) * | 2015-10-09 | 2017-04-19 | 德昌电机(深圳)有限公司 | Electronic device and circuit |
| CN105465023B (en) * | 2015-11-16 | 2017-12-19 | 珠海格力电器股份有限公司 | The control method and device of multi fan system |
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| US6368064B1 (en) * | 2000-12-01 | 2002-04-09 | 3Com Corporation | Apparatus and method of providing redundant power and redundant fan speed control to a plurality of fans |
| US6932696B2 (en) * | 2003-01-08 | 2005-08-23 | Sun Microsystems, Inc. | Cooling system including redundant fan controllers |
| CN1758525A (en) * | 2004-10-08 | 2006-04-12 | 鸿富锦精密工业（深圳）有限公司 | DC fan starting circuit |
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|---|---|---|---|---|
| US6368064B1 (en) * | 2000-12-01 | 2002-04-09 | 3Com Corporation | Apparatus and method of providing redundant power and redundant fan speed control to a plurality of fans |
| US6932696B2 (en) * | 2003-01-08 | 2005-08-23 | Sun Microsystems, Inc. | Cooling system including redundant fan controllers |
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| CN101201060A (en) | 2008-06-18 |
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