CN101201059B - Fan system and starting method therefor - Google Patents
Fan system and starting method therefor Download PDFInfo
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- CN101201059B CN101201059B CN2006101669070A CN200610166907A CN101201059B CN 101201059 B CN101201059 B CN 101201059B CN 2006101669070 A CN2006101669070 A CN 2006101669070A CN 200610166907 A CN200610166907 A CN 200610166907A CN 101201059 B CN101201059 B CN 101201059B
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Abstract
A fan system includes a connecting device, a control device and a fan device. The connecting device has a first pin and a second pin and the length of the first pin is longer than the length of the second pin. The first pin receives at least one drive signal and the second pin receives a start signal. The control device has an electric connection with the connecting device and has an enabled unit.The enabled unit generates the first enabled signal according to the start signal and the control device outputs the drive signal and the first enabled signal. The fan device has the electric connect ion with the control device and has at least one fan. The fan device transmits the drive signal to the fan according to the first enabled signal and drives the fan.
Description
Technical field
The present invention is about a kind of fan system and startup method thereof, especially in regard to a kind of fan system and startup method thereof that promotes stability and Security.
Background technique
High development along with science and technology, functional requirement for electronic equipment is high more, also just more for improving, relative radiating requirements is also big more, so the quality of heat sinking function will directly influence the reliability and the working life of electronic equipment for number of electronic components of using and aggregation degree.
Utilizing fan is common structure setting as sink; when client system side is used; usually can increase or reduce number of fans in response to the different demands of client end; and by control gear or control chip with drive and the control fan system in the rotating speed of fan, but make fan fit system the actual operation situation and adjust the rotating speed of fan.
Please refer to shown in Figure 1ly, a kind of known fan system is electrically connected mutually with a client system side SB1, and fan system 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 accessory power supply SP1, and have a connector C1, and connector C1 is sent to this fan system in order to the one second drive signal S02 that one first drive signal S01 that primary power supply MP1 is produced and accessory power supply 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 this first drive signal S01 or this 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 must provide this client system side SB1 enough radiating requirements under any state, so when a fan 131 wherein of this fan system 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 by heat.Yet, for the primary power supply MP1 of this client system side SB1 and accessory power supply SP1 corresponding these a plurality of heat that connect substitute element 111,112 and be power initiation independently separately, so when the user plugs improperly, except causing this heat, meeting substitutes these pin 113 easy bendings of control gear 11, also because of the point of contact with this connector C1 diminishes, and there is the problem of bad connection to produce easily.
In addition, because the motor of this fan 131 (figure does not show) is the dynamic inductance load, die and start to the very big inrush current of steady state need from state of rest, and in the moment that this fan system starts, may between this connector C1 of this fan system and this client system side SB1, produce inrush current (inrushcurrent), voltage (spike voltage) or spike noise (spike noise), even generation arcing phenomenon, be electric arc (electric arc), cause the infringement of this client system side SB1 or this fan system.
In addition; though 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 (floatingboard) (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 is 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 by 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, more easily 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.
The whence is because of in this; how to provide a kind of when fan system starts; can effectively suppress the generation of inrush current, surge voltage or spike noise, and and then reach fan system and the startup method thereof of protecting client system side and self-protection simultaneously, become one of important topic.
Summary of the invention
Because above-mentioned problem; purpose of the present invention is for providing a kind of when fan system starts; the generation of inrush current, surge voltage or spike noise be can effectively suppress, and and then the fan system and the startup method thereof of the effect of protecting client system side and fan system simultaneously reached.
Edge is for reaching above-mentioned purpose, to comprise a control gear and a fan assembly according to a kind of fan system of the present invention.This control gear receives an at least one drive signal and an actuating signal, and produces at least one first according to this actuating signal and enable signal, and this control gear is exported this drive signal and this first and enabled signal; This fan assembly is electrically connected with this control gear, and receives this and first enable signal to control the transmission of this drive signal.
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 at least one fan, and this startup method comprises an at least one drive signal of reception and an actuating signal; Through time delay or at interval, produce at least one first according to this actuating signal and enable signal; And first enable signal exporting this drive signal, and drive this fan according to this.
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 has one first pin and one second pin, and the length of this first pin is greater than the length of this second pin, and this first pin receives at least one drive signal, and this second pin receives an actuating signal; This control gear is electrically connected with this connection set, and produces at least one first according to this actuating signal and enable signal, and this control gear is exported this drive signal and this first and enabled signal; This fan assembly is electrically connected with this control gear, and receives this and first enable signal to control the transmission of this drive signal.
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 at least one fan, and this startup method is included in a very first time and receives at least one drive signal; Receive an actuating signal in one second time; Produce at least one first according to this actuating signal and enable signal; And first enable signal exporting this drive signal, and drive this fan according to this.
From the above, because of foundation a kind of fan system of the present invention and startup method thereof, except a plurality of first pins by a connection set to receive a plurality of drive signals, and one second pin of this connection set is to receive an actuating signal, and the length of these a plurality of first pins is greater than the length of this second pin, so that this actuating signal postpones this blanking time than these a plurality of drive signals and imports outside this control gear, also can enable this retard time that the unit produces by this delay, so that this delay is enabled the unit through after this retard time, according to this actuating signal, and start this fan.Compare with known techniques, because the length of this a plurality of first pins of the present invention by this connection set is greater than this second pin, with after receiving these a plurality of drive signals earlier, and present wait state, after receiving this actuating signal, these a plurality of drive signals just begin operation, or receive this actuating signal and this drive signal simultaneously by this delay cell, and through after this retard time, according to this actuating signal, just begin operation, this kind mode, the present invention not only can by this second pin maybe this delay enable the unit as the function that starts or close whole this fan assembly, can also guarantee that these a plurality of first pins and these a plurality of pins are in contact jaw, do not have any electric arc (electric arc) and produce, and when receiving this a plurality of drive signal, plus or minus spike noise (spike noise) can not be sent to this control gear and this fan assembly via these a plurality of first pins or this a plurality of pins.In addition, this fan system then also can reach steady state in this retard time.
Description of drawings
Fig. 1 is the schematic representation of known a kind of fan system;
Fig. 2 substitutes the structural drawing of the pin of control gear for a heat of known fan system;
Fig. 3 is the schematic representation according to a kind of fan system of the present invention's first preferred embodiment;
Fig. 4 is the flow chart according to the startup method of a kind of fan system of the present invention's first preferred embodiment;
Fig. 5 is the schematic representation according to a kind of fan system of the present invention's second preferred embodiment; And
Fig. 6 is the flow chart 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: pin
12,22,32: control gear
13,23,33: fan assembly
131,231,331: fan
132: buffer circuit
21,31: connection set
211: the first pins
212: the second pins
221: enable the unit
2211: the first switching elements
2212: the second switch element
222,322: the insulation blocking unit
2221,3221: the first protective circuits
2222,3222: the first buffer circuits
232,332: the first heat is substituted control unit
233,333: control unit
234,334: the second heat is substituted control unit
235,332: the second buffer circuits
311: pin
321: postpone to enable the unit
3211: postpone to enable circuit
3212: switching element
C1, C2, C3: connector
MP1, MP2, MP3: primary power supply
SB1, SB2, SB3: client system side
SP1, SP2, SP3: accessory power supply
S01: first drive signal
S02: second drive signal
S11, S11 ', S21, S21 ': drive signal
S12, S22: actuating signal
S13, S23: first enables signal
S14, S24: second enables signal
P: pulse width modulating signal
S1-S4, S5-S7: the step of startup method
Embodiment
Hereinafter with reference to relevant drawings, a kind of fan system and startup method thereof according to preferred embodiment of the present invention are described.
Please refer to shown in Figure 3ly, the fan system of the present invention's first preferred embodiment comprises a connection set 21, a control gear 22 and a fan assembly 23.The fan system of present embodiment is electrically connected with a connector C2 of a client system side SB2 mutually in implementing to go up, to receive at least one drive signal S11, S11 ' and the actuating signal S12 that this client system side SB2 is provided.In addition, this drive signal S11, S11 ' and this actuating signal S12 of present embodiment are all different voltage levels, and this drive signal S11 is produced in the primary power supply MP2 that implements to go up to this client system side SB2, this drive signal S11 ' is then produced by accessory power supply SP2, and this actuating signal S12 is a low-potential signal or a ground signalling on implementing, and is example at this with this ground signalling.
This connection set 21 of present embodiment has a plurality of first pins 211 and one second pin 212, and be electrically connected with this connector C2 of this client system side SB2, for example should a plurality of first pins 211 and this second pin 212 insert among this connector C2, to be electrically connected mutually, to receive this 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 pins 211 is isometric mutually, and greater than the length of this second pin 212.
This control gear 22 of present embodiment is electrically connected with these a plurality of first pins 211 and this second pin 212 of this connection set 21; and have a unit of enabling 221 and an insulation blocking unit 222, and this is enabled unit 221 and is electrically connected mutually with this insulation blocking unit 222.
This is enabled unit 221 and comprises at least one first switching element 2211 and a second switch element 2212, enabling unit 221 in this with this, to have a plurality of first switching elements 2211 be example, and this second switch element 2212 is electrically connected with wherein one first switching element 2211.In present embodiment, these a plurality of first switching elements 2211 receive this actuating signal S12 simultaneously, and according to this actuating signal S12 so that these a plurality of first switching elements 2211 conductings are simultaneously enabled signal S13 to produce one first, 2212 of this second switch elements first are enabled signal S13 with conducting according to this, enable signal S14 and produce one second.
This insulation blocking unit 222 comprises at least one first protective circuit 2221 and at least one first buffer circuit 2222; and this first protective circuit 2221 is electrically connected mutually with this first buffer circuit 2222, is all example mutually at this and with a plurality of first buffer circuit, 2222 numbers of these a plurality of first protective circuits 2221 and this.In present embodiment; these a plurality of first protective circuits 2221 are electrically connected with this fan assembly 23; and receiving these a plurality of drive signal S11, these a plurality of first protective circuits 2221 are sent to this fan assembly 23 in order to guarantee that these a plurality of drive signal S11 can stablize, and avoid producing reverse current.These a plurality of first switching elements 2211 (i.e. a plurality of first switching elements 2211 of this that is not connected with this second switch element 2212) and this fan assembly 23 are electrically connected mutually and these a plurality of first buffer circuits 2222 are respectively with remaining, these a plurality of first buffer circuits 2,222 first are enabled signal S13 in order to transmit this, and isolate the grounding end that these a plurality of drive signal S11 and this first enabled signal S13, remove to damage this fan assembly 23 of back level via the ground loop of primary power supply MP2 to avoid the plus or minus spike noise.
Moreover this fan assembly 23 of present embodiment comprises that at least one fan 231, at least one first heat substitutes a control unit 232 and a control unit 233, substitutes control unit 232 and a control unit 233 is an example in implementing to go up with a plurality of fans 231, a plurality of first heat.These a plurality of first heat are substituted control unit 232 and are electrically connected with this control gear 22; and these a plurality of first heat are substituted control unit 232 and are electrically connected with this insulation blocking unit 222 and this a plurality of fans 231 respectively, first enable signal S13 and transmit these a plurality of drive signal S11 with these a plurality of fans 231 of startup with reception simultaneously and according to this.In addition, this fan assembly 23 comprises that also one second heat substitutes control unit 234, and it enables unit 221 with this respectively and this control unit 233 is electrically connected, and receives and second enable signal S14 and transmit this drive signal S11 ' to this control unit 233 according to this.
In present embodiment, this control unit 233 is electrically connected with these a plurality of fans 231, and produces a pulse width modulating signal (PWM) P, to control the rotating speed of these a plurality of fans 231.In addition, this control unit 233 drives by this drive signal S11 '.This control unit 233 of present embodiment can be a microprocessor, a DSP digital signal processor or a control chip on implementing.
In addition, this fan assembly 23 also comprises at least one second buffer circuit 235, and it is electrically connected between this control unit 233 and this fan 231.In implementing to go up is a plurality of second buffer circuits 235, its quantity is corresponding with the quantity of these a plurality of fans 231, and these a plurality of second buffer circuits 235 are in order to isolating the grounding end of these a plurality of drive signal S11 and this control unit 233, and this pulse width modulating signal P is stably transferred to this a plurality of fans 231 from this control unit 233.
At this, the operating method of this fan system that present embodiment is described is as follows: when this fan system and this client system side SB2 desire to do when being electrically connected, a plurality of first pins 211 of this of this connection set 21 can contact with this connector C2 earlier, at this moment, this control gear 22 receives these a plurality of drive signal S11 simultaneously by these a plurality of first pins 211, S11 ', then, this second pin 212 contacts with this connector C2 again, and receiving this actuating signal S12, meaning i.e. these a plurality of drive signal S11, have a blanking time between S11 ' and this actuating signal S12 and successively import this fan system.At this moment; this of this control gear 22 enabled unit 221 and produced this according to this actuating signal S12 and first enable signal S13; and simultaneously this second switch element 2212 of conducting second is enabled signal S14 to produce this; and this second is enabled signal S14 and be sent to this fan assembly 23; and this insulation blocking unit 222 is guaranteed this drive signal S11 and this first and is enabled signal S13 and can directly transfer to this fan assembly 23; and can reversely not input to this client system side SB2 and this enables unit 221; a plurality of first heat of this of this fan assembly 23 are substituted 232 foundations of control unit, and this a plurality of first is enabled signal S13 and should transfer to this a plurality of fans 231 by a plurality of drive signal S11; to start these a plurality of fans 231; this second heat is substituted control unit 234 and then second is enabled signal S14 and make this drive signal S11 ' start this control unit 233 according to this, and this control unit 233 is controlled the rotating speed of these a plurality of fans 231 with this pulse width modulating signal P.
Because the length of these a plurality of first pins 211 of this connection set 21 is greater than the length of this second pin 212, make these a plurality of first pins 211 after receiving these a plurality of drive signal S11, can't start this fan 231 immediately, after this second pin 212 receives this actuating signal S12, these 22 beginnings of control gear begin operation according to this actuating signal S12, and drive this fan 231.This kind mode not only can be by this second pin 212 as the function that starts or close whole this fan assembly 23, can also guarantee that these a plurality of first pins 211 when receiving this a plurality of drive signal 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 222 transmits these a plurality of drive signal S11 to this fan assembly 23 except can effectively suppressing this control gear 22; primary power supply MP2 is outside surge voltage (spikevoltage) that these fan assembly 23 ends are produced or inrush current (inrush current); this insulation blocking unit 222 also can cooperate this first heat to substitute control unit 232, to suppress to start the spike noise that moment was produced (spike noise) of this fan assembly 23.
It below is narration according to the startup method of the fan system of the present invention's first preferred embodiment.Please refer to shown in Figure 4ly, 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), is example at this to be applied to this fan system.
In this example, the startup method of this fan system comprises step S1 to S4.
Step S1 receives at least one drive signal S11, S11 ' in a very first time.
Step S2 receives an actuating signal S12 in one second time, wherein should the very first time and this second time between have a blanking time.Wherein this actuating signal S12 is a low-potential signal or a ground signalling.
Step S3 produces at least one first according to this actuating signal S12 and enables signal S13.
Step S4 first enables signal S13 exporting this drive signal S11 according to this, and drives this fan.
Below, please refer to shown in Figure 5, with explanation according to the fan system of the present invention's second preferred embodiment.Fan system comprises a connection set 31, a control gear 32 and a fan assembly 33.Wherein, this fan system is electrically connected mutually with a connector C3 of a client system side SB3, and structure, feature 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 this first preferred embodiment (as shown in Figure 3), so repeat no more in this.One actuating signal S22 and at least one drive signal S21, the S21 ' of this client system side SB3 of present embodiment supply, this actuating signal S22 and this drive signal S21 of this and first preferred embodiment have same characteristic features and effect, repeat no more in this.
In addition, this connection set 31 of present embodiment has a plurality of pins 311, and these a plurality of pins 311 receive this drive signal S21, S21 ' and the actuating signal S22 that this client system side SB3 transmits.
This control gear 32 has one to postpone to enable a unit 321 and an insulation blocking unit 322, and is electrically connected with these a plurality of pins 311 of this connection set 31.
This delay is enabled unit 321 and is comprised that one postpones to enable a circuit 3211 and a switching element 3212, in addition, this delay is enabled circuit 3211 and can be general RC delay circuit on being implemented, it has a resistor (figure does not show) and a capacitor (figure does not show) of mutual electrical connection, and the cooperation of this resistor and this capacitor is in order to produce a retard time.When this delay is enabled circuit 3211 and this switching element 3212 and is received this actuating signal S22 simultaneously, circuit 3211 is enabled in this delay will be in process after this retard time, just enable signal S23 to produce one first according to this actuating signal S22, and this switching element 3212 conducting is enabled signal S24 to produce one second according to this actuating signal S22.This of present embodiment first enable that signal S23 and this second enable the signal S24 and first preferred embodiment this first enable signal S23 and this second and enable signal S24 and have same characteristic features and effect, so repeat no more in this.
This insulation blocking unit 322 of present embodiment comprises at least one first protective circuit 3221 and at least one first buffer circuit 3222; and this first protective circuit 3221 is electrically connected mutually with this first buffer circuit 3222, has a plurality of first protective circuits 3221 and identical a plurality of first buffer circuits 3222 of number are example at this and with this insulation blocking unit 322.In present embodiment; these a plurality of first protective circuits 3221 are electrically connected with this fan assembly 33; and receiving these a plurality of drive signal S21, these a plurality of first protective circuits 3221 are sent to this fan assembly 33 in order to guarantee that these a plurality of drive signal S21 can stablize, and avoid the generation of reverse current.And these a plurality of first buffer circuits 3222 enable circuit 3211 with this delay that unit 321 is enabled in this delay respectively and this fan assembly 33 is electrically connected mutually, these a plurality of first buffer circuits 3222 are enabled the grounding end of signal S13 in order to isolate these a plurality of drive signal S21 and this first, avoiding the plus or minus spike noise to remove to damage this fan assembly 33 of back level, and has this first effect of enabling signal S23 of transmission simultaneously via the ground loop of primary power supply MP3.
This fan assembly 33 of present embodiment; comprise that at least one fan 331, at least one first heat substitutes a control unit 332 and a control unit 333; substitute control unit 332 and a control unit 333 is an example in implement going up, and this a plurality of first heat are substituted control unit 332 and are reached these a plurality of fans 331 with this insulation blocking unit 322 of this control gear 32 respectively and be electrically connected with a plurality of fans 331, a plurality of first heat.In addition, this fan assembly 33 comprises that also one second heat substitutes control unit 334, and it enables unit 321 with this delay respectively and this control unit 333 is electrically connected.In addition, this fan assembly 33 also comprises at least one second buffer circuit 335, and it is electrically connected between this control unit 333 and these a plurality of fans 331.Be a plurality of second buffer circuits 335 in implementing to go up, its quantity is corresponding with the quantity of these a plurality of fans 331.
The a plurality of fans 331 of this of this fan assembly 33 of present embodiment, these a plurality of first heat are substituted control unit 332, this control unit 333, these a plurality of second buffer circuits 335 and this second heat and are substituted control unit 334 and these a plurality of fans 231, these a plurality of first heat of this fan assembly 23 of above-mentioned first preferred embodiment and substitute control unit 232, this control unit 233, these a plurality of second buffer circuits 235 and this second heat and substitute control unit 234 and have same characteristic features and effect, so repeat no more in this.
At this; the operating method of this fan system that present embodiment is described is as follows: when this fan system is electrically connected mutually with this client system side SB3; this control gear 32 receives these a plurality of drive signal S21 simultaneously by these a plurality of pins 311 of this connection set 31; S21 ' and this actuating signal S22; this switching element 3212 produced this according to this actuating signal S22 and second enabled signal S24 and be sent to this fan assembly 33 this moment; and this delay is enabled circuit 3211 and is produced this retard time; and after passing through this retard time; just produce this and first enable signal S23 according to this actuating signal S22; this insulation blocking unit 322 then isolates the grounding end that this drive signal S21 and this first enabled signal S13; and guarantee that this drive signal S21 and this first enable signal S13 and can directly transfer to this fan assembly 33; do not enable unit 321 and can reversely not input to this client system side SB3 and this delay; a plurality of first heat of this of this fan assembly 33 are substituted 332 foundations of control unit, and this a plurality of first is enabled signal S23 and should transfer to this a plurality of fans 331 by a plurality of drive signal S21; to start these a plurality of fans 331; this second heat is substituted control unit 334 and then second is enabled signal S24 and make this drive signal S21 ' start this control unit 333 according to this, and this control unit 333 is controlled the rotating speed of these a plurality of fans 331 with this pulse width modulating signal P.
Because this delay is enabled unit 321 and is enabled circuit 3211 to postpone enabling time by this delay, so when this control gear 32 after receiving this actuating signal S22 and this a plurality of drive signal S21, S21 ' simultaneously, can't start this fan 331 immediately, can be through after this retard time, this delay is enabled unit 321 and is just begun operation according to this actuating signal S22, and drives these a plurality of fans 331.This kind mode not only can make this delay enable unit 321 as the function that starts or close whole this fan assembly 33, can also make this fan system integral body in this retard time, reach steady state, except avoiding these a plurality of pins 311 in the moment that receives this a plurality of drive signal S21, S21 ', have outside any electric arc generation, also can avoid the generation of plus or minus spike noise (spike noise).Certainly, present embodiment also has the identical effect that is produced with the insulation blocking unit 222 of above-mentioned first preferred embodiment, so repeat no more in this.
Below please refer to shown in Figure 6ly, for the narration of the startup method of the fan system of the present invention's second preferred embodiment, is example at this and to be applied to this fan system (as shown in Figure 5).
In this example, the startup method of this fan system comprises step S5 to S7.
Step S5 receives at least one drive signal S21, S21 ' and an actuating signal S22.
Step S6 produced at least one first according to this actuating signal S22 and enables signal S23 through a retard time.This actuating signal S22 of present embodiment is a low-potential signal or a ground signalling.
Step S7 first enables signal S23 exporting this drive signal S21, S21 ' according to this, and drives this fan.
In sum, a kind of fan system of the present invention and startup method thereof are by these a plurality of first pin length that this connection set had length greater than this second pin, so that after this connector of these a plurality of first pins and this client system side is electrically connected really, be electrically connected and receive this actuating signal by this second pin with this connector again, and start this fan (or these a plurality of fans), or enable the unit by this delay and receive this actuating signal and this drive signal simultaneously, and through after this retard time, according to this actuating signal, and start this fan.Thus, not only can by this second pin maybe this delay enable the unit as the function that starts or close whole this fan assembly, the contact jaw that can also guarantee these a plurality of first pins or 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 first pins or this a plurality of pins.In addition, this fan system also can reach the monolithic stability state in this retard time.Moreover; when this insulation blocking unit can effectively suppress these a plurality of drive signals of this control gear transmission 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 (spikenoise) that this fan assembly moment is produced.
The above only is an illustrative, but not is restricted person.Anyly do not break away from spirit of the present invention and category, and, all should be included in the accompanying Claim scope its equivalent modifications of carrying out or change.
Claims (13)
1. fan system comprises:
One control gear receives an at least one drive signal and an actuating signal, and produces at least one first according to this actuating signal and enable signal, and this control gear is exported this drive signal and this first and enabled signal; And
One fan assembly is electrically connected with this control gear, and receives this and first enable signal controlling the transmission of this drive signal,
This control gear comprises:
One postpones to enable the unit, and it comprises:
One postpones to enable circuit, after a retard time, first enables signal according to this actuating signal to produce this; And
One switching element is enabled signal according to this actuating signal to produce one second; And
One insulation blocking unit, it comprises:
At least one first protective circuit receives this drive signal; And
At least one first buffer circuit is enabled circuit with this first protective circuit and this delay respectively and is electrically connected, and enables signal to isolate this drive signal and this first.
2. fan system as claimed in claim 1, wherein this actuating signal is a low-potential signal or a ground signalling.
3. fan system as claimed in claim 1, wherein this fan assembly comprises that also at least one fan and at least one first heat substitutes control unit, it is electrically connected with this control gear and this fan respectively, first to enable signal and this drive signal is transferred to this fan according to this.
4. fan system as claimed in claim 1, wherein this delay is enabled circuit and is comprised a resistor and a capacitor, is electrically connected mutually, to produce this retard time.
5. fan system as claimed in claim 1, wherein this fan assembly also comprises an at least one fan and a control unit, this control gear is electrically connected with this fan, this fan assembly second is enabled signal according to this, transmitting this drive signal to this control unit, and this control unit produces a pulse width modulating signal to control the rotating speed of this fan.
6. fan system as claimed in claim 5, wherein this control unit is a microprocessor, a DSP digital signal processor or a control chip.
7. fan system as claimed in claim 5, wherein this fan assembly also comprises at least one second buffer circuit, and it is electrically connected with this control unit and this fan respectively, and this second buffer circuit transmits this pulse width modulating signal to this fan.
8. fan system as claimed in claim 5, wherein this fan assembly comprises that also one second heat substitutes control unit, be electrically connected with this control unit of this control gear and this fan assembly respectively, this second heat is substituted control unit and second is enabled signal according to this, transmits this drive signal to this control unit.
9. fan system as claimed in claim 1, it also includes:
One connection set has one first pin and one second pin, and the length of this first pin is greater than the length of this second pin, and this first pin receives this drive signal, and this second pin receives this actuating signal;
Wherein, this control gear is electrically connected on this connection set.
10. fan system as claimed in claim 9 wherein successively inputs to this control gear between this drive signal and this actuating signal.
11. a fan system comprises:
One control gear receives an at least one drive signal and an actuating signal, and produces at least one first according to this actuating signal and enable signal, and this control gear is exported this drive signal and this first and enabled signal;
One fan assembly is electrically connected with this control gear, and receives this and first enable signal to control the transmission of this drive signal; And
One connection set has one first pin and one second pin, and the length of this first pin is greater than the length of this second pin, and this first pin receives this drive signal, and this second pin receives this actuating signal;
Wherein, this control gear is electrically connected on this connection set,
Successively input to this control gear between this drive signal and this actuating signal,
This control gear comprises:
One enables the unit, and it comprises:
At least one first switching element according to this actuating signal, first is enabled signal to produce this; And
One second switch element is electrically connected with this first switching element, and first enables signal according to this, with produce one second enable signal and
One insulation blocking unit, it comprises:
At least one first protective circuit is electrically connected with this first pin and this fan assembly of this connection set respectively; And
At least one first buffer circuit is electrically connected with this first protective circuit and this first switching element respectively, enables signal to isolate this drive signal and this first.
12. the startup method of a fan system, wherein this fan system comprises:
One control gear receives an at least one drive signal and an actuating signal, and produces at least one first according to this actuating signal and enable signal, and this control gear is exported this drive signal and this first and enabled signal; And
One fan assembly is electrically connected with this control gear, and receives this and first enable signal controlling the transmission of this drive signal,
Wherein, the delay that the unit is enabled in the delay of this control gear enable circuit through a retard time after, first enable signal according to this actuating signal to produce this,
This delay of this control gear is enabled the switching element of unit and is enabled signal according to this actuating signal to produce one second,
At least one first protective circuit of one insulation blocking unit of this control gear receives this drive signal,
At least one first buffer circuit of this insulation blocking unit of this control gear is enabled circuit with this first protective circuit and this delay respectively and is electrically connected, and enables signal to isolate this drive signal and this first.
13. startup method as claimed in claim 12, wherein this actuating signal is a low-potential signal or a ground signalling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101669070A CN101201059B (en) | 2006-12-12 | 2006-12-12 | Fan system and starting method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101669070A CN101201059B (en) | 2006-12-12 | 2006-12-12 | Fan system and starting method therefor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101201059A CN101201059A (en) | 2008-06-18 |
| CN101201059B true CN101201059B (en) | 2011-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101669070A Expired - Fee Related CN101201059B (en) | 2006-12-12 | 2006-12-12 | Fan system and starting method therefor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101201059B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103382945B (en) * | 2013-07-08 | 2016-12-28 | 大唐移动通信设备有限公司 | A kind of fan control system |
| JP6689158B2 (en) * | 2016-08-04 | 2020-04-28 | 日立オートモティブシステムズ株式会社 | Electronic control system having power line communication function and automobile using the same |
| CN106787867B (en) * | 2016-11-30 | 2019-09-06 | 上海航天控制技术研究所 | A kind of rate gyroscope power supply |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5489831A (en) * | 1993-09-16 | 1996-02-06 | Honeywell Inc. | Pulse width modulating motor controller |
| 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 |
| US6592327B2 (en) * | 2001-08-17 | 2003-07-15 | Quanta Computer, Inc. | Hot swap fan module |
| US6932696B2 (en) * | 2003-01-08 | 2005-08-23 | Sun Microsystems, Inc. | Cooling system including redundant fan controllers |
-
2006
- 2006-12-12 CN CN2006101669070A patent/CN101201059B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5489831A (en) * | 1993-09-16 | 1996-02-06 | Honeywell Inc. | Pulse width modulating motor controller |
| 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 |
| US6592327B2 (en) * | 2001-08-17 | 2003-07-15 | Quanta Computer, Inc. | Hot swap fan module |
| US6932696B2 (en) * | 2003-01-08 | 2005-08-23 | Sun Microsystems, Inc. | Cooling system including redundant fan controllers |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101201059A (en) | 2008-06-18 |
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