CN206727905U - A kind of drive circuit of atomizing piece - Google Patents

A kind of drive circuit of atomizing piece Download PDF

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Publication number
CN206727905U
CN206727905U CN201720598289.0U CN201720598289U CN206727905U CN 206727905 U CN206727905 U CN 206727905U CN 201720598289 U CN201720598289 U CN 201720598289U CN 206727905 U CN206727905 U CN 206727905U
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transistor
drive circuit
electric capacity
pulse power
magnetic bead
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CN201720598289.0U
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谢张君
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Guangzhou City Jun Zhuo Mdt Infotech Ltd
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Guangzhou City Jun Zhuo Mdt Infotech Ltd
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Abstract

The utility model discloses a kind of drive circuit of atomizing piece, including：Pulse power end, for return pulse signal；The first transistor, its first end are connected with pulse power end；The second end connection of inductance, its one end and the first transistor, the other end are connected with voltage source；The second end connection of diode, its positive terminal and the first transistor；The cathode terminal connection of first resistor, its one end and diode, the other end are connected with voltage source；The second end connection of first magnetic bead, its one end and the first transistor；3rd electric capacity, its one end are connected with the other end of the first magnetic bead, the other end connection of the other end and inductance；Signal output part, its first end are connected by the second end of the 4th electric capacity and the first transistor, the three-terminal link of the second end and the first transistor.By the above-mentioned means, drive circuit disclosed in the utility model, which has, reduces radiation function, when producing pulse signal, caused radiation is low, does not influence the normal work of the ambient electron element of drive circuit.

Description

A kind of drive circuit of atomizing piece
Technical field
Humidifier technical field is the utility model is related to, more particularly to a kind of drive circuit of atomizing piece.
Background technology
With the development of technology, humidifier is commonly utilized in people's life.Wherein humidifier includes atomizing piece, atomization Aqueous water minor structure is broken up by producing concussion after pulse signal and produces the elegant atomized water of nature by piece.
That is, humidifier needs drive circuit to produce pulse signal to drive atomizing piece.However, traditional driving electricity Road can produce high frequency radiation when producing pulse signal, can influence the normal work of the ambient electron element of drive circuit, so as to Influence the normal work of humidifier.
Utility model content
The utility model is mainly solving the technical problems that provide a kind of drive circuit of atomizing piece, in generation pulse signal When it is caused radiation it is low, do not influence the influence of the ambient electron element of drive circuit.
In order to solve the above technical problems, the technical scheme that the utility model uses is：A kind of drive of atomizing piece is provided Dynamic circuit, including：Pulse power end, for being connected with the pulse power, with return pulse signal；The first transistor, its first end It is connected with pulse power end；The second end connection of inductance, its one end and the first transistor, the other end are connected with voltage source；Two poles Second end of pipe, its positive terminal and the first transistor connects；The cathode terminal connection of first resistor, its one end and diode, it is another End is connected with voltage source；First electric capacity, is set up in parallel with first resistor；The second of first magnetic bead, its one end and the first transistor End connection；3rd electric capacity, its one end are connected with the other end of the first magnetic bead, the other end connection of the other end and inductance；Signal is defeated Go out end, its first end is connected by the second end of the 4th electric capacity and the first transistor, the 3rd end of the second end and the first transistor Connection.
Wherein, the first transistor is NMOS tube, and the first end of the first transistor is the grid of NMOS tube, the first transistor Second end is the source electrode of NMOS tube, and the 3rd end of the first transistor is the drain electrode of NMOS tube.
Wherein, in addition to：The other end connection of second electric capacity, its one end and inductance, other end ground connection.
Wherein, in addition to：The three-terminal link of second resistance, its one end and the first transistor, other end ground connection；5th electricity Hold, the three-terminal link of its one end and the first transistor, other end ground connection.
Wherein, in addition to：The first end connection of second magnetic bead, its one end and signal output part；6th electric capacity, its one end with Second end of the other end connection of the second magnetic bead, the other end and signal output part connects.
Wherein, in addition to：3rd magnetic bead, wherein pulse power end are connected by the first end of the 3rd magnetic bead and the first transistor Connect；The three-terminal link of the first end connection of 3rd resistor, its one end and the first transistor, the other end and the first transistor.
Wherein, in addition to：4th resistance, it is arranged in series between the 3rd magnetic bead and pulse power end.
Wherein, in addition to：Second transistor, its first end are connected with pulse power end, and the second end is connected with voltage source, the The first end of three ends and the first transistor connects；Third transistor, its first end are connected with pulse power end, the second end and second The three-terminal link of transistor, the 3rd end ground connection；The first end connection of 5th resistance, its one end and second transistor, the other end Ground connection.
Wherein, second transistor is NPN type triode, and third transistor is PNP type triode, the first of second transistor Hold the base stage for NPN type triode, the second end of second transistor is the colelctor electrode of NPN type triode, the of second transistor Three ends are the emitter stage of NPN type triode, and the first end of third transistor is the base stage of PNP type triode, third transistor Second end is the colelctor electrode of PNP type triode, and the 3rd end of third transistor is the emitter stage of PNP type triode.
Wherein, in addition to：6th resistance, its one end are connected with pulse power end, and the first of the other end and second transistor End connection.
The beneficial effects of the utility model are：It is different from the situation of prior art, atomizing piece disclosed in the utility model Drive circuit include：Pulse power end, for being connected with the pulse power, with return pulse signal；The first transistor, it first End is connected with pulse power end；The second end connection of inductance, its one end and the first transistor, the other end are connected with voltage source；Two The second end connection of pole pipe, its positive terminal and the first transistor；The cathode terminal connection of first resistor, its one end and diode, separately One end is connected with voltage source；First electric capacity, is set up in parallel with first resistor；The of first magnetic bead, its one end and the first transistor Two ends connect；3rd electric capacity, its one end are connected with the other end of the first magnetic bead, the other end connection of the other end and inductance；Signal Output end, its first end are connected by the second end of the 4th electric capacity and the first transistor, and the 3rd of the second end and the first transistor the End connection.By the above-mentioned means, drive circuit disclosed in the utility model is by increasing by the first magnetic bead so that drive circuit sheet Body has reduction radiation function, and when producing pulse signal, caused radiation is low, does not influence the ambient electron member of drive circuit The normal work of part, worked beneficial to humidifier.
Brief description of the drawings
Fig. 1 is the structural representation of the drive circuit of the utility model atomizing piece.
Embodiment
The utility model is described in detail with embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, Fig. 1 is the structural representation of the drive circuit of the utility model atomizing piece.The driving of the atomizing piece Circuit includes pulse power end 11, the first transistor M1, inductance L, diode D1, first resistor R1, the first electric capacity C1, the first magnetic Pearl FB1, the 3rd electric capacity C3 and signal output part 10.
Pulse power end 11 is used to be connected with the pulse power, with return pulse signal.
The first transistor M1 first end is connected with pulse power end 11.
Inductance L one end is connected with the first transistor M1 the second end, and the inductance L other end is connected with voltage source VCC.
Diode D1 positive terminal is connected with the first transistor M1 the second end.
First resistor R1 one end is connected with diode D1 cathode terminal, first resistor the R1 other end and voltage source VCC Connection.
First electric capacity C1 and first resistor R1 is set up in parallel.
First magnetic bead FB1 one end is connected with the first transistor M1 the second end.
3rd electric capacity C3 one end is connected with the first magnetic bead FB1 other end, and the 3rd electric capacity C3 other end is with inductance L's The other end connects.
The first end of signal output part 10 is connected by the 4th electric capacity C4 with the first transistor M1 the second end, signal output Second end at end 10 and the first transistor M1 three-terminal link.It should be understood that the first end of signal output part 10 and the second end are used It is connected in atomizing piece, to provide pulse signal for atomizing piece.
It should be understood that the pulse power produces pulse signal, when producing high level, the first transistor M1 conductings are low when producing During level, the first transistor M1 is not turned on, so as to produce pulse signal.Certainly, in the present embodiment, inductance L, diode D1, The loop that first resistor R1 and the first electric capacity C1 are formed has filter action, can lower and be radiated caused by concussion.However, The loop that inductance L, diode D1, first resistor R1 and the first electric capacity C1 are formed can not be really eliminated caused by drive circuit High frequency radiation, therefore high-frequency signal is further reduced by increasing the first magnetic bead FB1 and the 3rd electric capacity C3, to reduce high frequency spoke Penetrate so that radiation caused by whole drive circuit is low or close to zero.
In the present embodiment, the first transistor M1 is NMOS tube, and the first transistor M1 first end is the grid of NMOS tube, The first transistor M1 the second end is the source electrode of NMOS tube, and the first transistor M1 the 3rd end is the drain electrode of NMOS tube.
Further, in other embodiments, the drive circuit also includes the second electric capacity C2, the second electric capacity C2 one end with Inductance L other end connection, the second electric capacity C2 other end ground connection.It should be understood that the second electric capacity C2 can play filter action.
Further, in other embodiments, the drive circuit also includes second resistance R2 and the 5th electric capacity C5, the second electricity Hinder R2 one end and the first transistor M1 three-terminal link, second resistance R2 other end ground connection, the 5th electric capacity C5 one end With the first transistor M1 three-terminal link, the 5th electric capacity C5 other end is grounded.It should be understood that second resistance R2 and the 5th electric capacity C5 plays filter action.
Further, in order to protect the first transistor M1, in other embodiments, the drive circuit also includes the second crystal Pipe M2, third transistor M3 and the 5th resistance R5.Wherein second transistor M2 first end is connected with pulse power end 11, and second Transistor M2 the second end is connected with voltage source VCC, and second transistor M2 the 3rd end connects with the first transistor M1 first end Connect；Third transistor M3 first end is connected with pulse power end 11, third transistor M3 the second end and second transistor M2 Three-terminal link, third transistor M3 the 3rd end ground connection；5th resistance R5 one end and second transistor M2 first end Connection, the 5th resistance R5 other ends ground connection.It should be understood that when pulse power end 11 receives high level, second transistor M2 is led Logical, third transistor M3 is not turned on；When pulse power end 11 receives low level, second transistor M2 is not turned on, the 3rd Transistor M3 is turned on.
In addition, in other embodiments, the drive circuit also includes the 6th resistance R6, the 6th resistance R6 one end and pulse Power end 11 is connected, and the 6th resistance R6 other end is connected with second transistor M2 first end.
In the present embodiment, second transistor M2 is NPN type triode, and third transistor M3 is PNP type triode, second Transistor M2 first end is the base stage of NPN type triode, and second transistor M2 the second end is the current collection of NPN type triode Pole, second transistor M2 the 3rd end are the emitter stage of NPN type triode, and third transistor M3 first end is the pole of positive-negative-positive three The base stage of pipe, third transistor M3 the second end are the colelctor electrode of PNP type triode, and third transistor M3 the 3rd end is PNP The emitter stage of type triode.
It is worth noting that, in order to reduce radiation, in other embodiments, the drive circuit also includes the second magnetic bead FB2 With the 6th electric capacity C6.Wherein the second magnetic bead FB2 one end is connected with the first end of signal output part 10；6th electric capacity C6 one end It is connected with the second magnetic bead FB2 other end, the 6th electric capacity C6 other end is connected with the second end of signal output part 10.Ying Li Solution, height can be further reduced to the signal exported to signal output part 10 by increasing the second magnetic bead FB2 and the 6th electric capacity C6 Frequency signal, to reduce high frequency radiation.
In addition, in order to reduce radiation, in other embodiments, the drive circuit also includes the electricity of the 3rd magnetic bead FB3 and the 3rd Hinder R3.Wherein pulse power end 11 is connected by the 3rd magnetic bead FB3 with the first transistor M1 first end；The one of 3rd resistor R3 End is connected with the first transistor M1 first end, the three-terminal link of the 3rd resistor R3 other ends and the first transistor M1.Ying Li Solution, the pulse signal that can be exported by increasing the 3rd magnetic bead FB3 and 3rd resistor R3 to pulse power end 11 further drop Low high-frequency signal, to reduce high frequency radiation.
Certainly, the drive circuit also includes the 4th resistance R4, and the 4th resistance R4 is arranged in series in the 3rd magnetic bead FB3 and pulse Between power end 11.
It should be understood that in certain embodiments, the drive circuit also includes the 7th resistance R7 and test side 12, the 7th resistance R7 one end is connected with the second end of signal output part 10, and the 7th resistance R7 other end and test side 12 connect, and can pass through inspection Whether correct survey the signal of the test side 12, with judge atomizing piece whether water shortage.
It should be understood that the first electric capacity C1, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity and the 6th of the present embodiment Electric capacity is ceramic condenser.
To sum up, the drive circuit of atomizing piece disclosed in the utility model includes：Pulse power end, is used for and the pulse power Connection, with return pulse signal；The first transistor, its first end are connected with pulse power end；Inductance, its one end and first crystal The second end connection of pipe, the other end are connected with voltage source；The second end connection of diode, its positive terminal and the first transistor；The The cathode terminal connection of one resistance, its one end and diode, the other end are connected with voltage source；First electric capacity, it is arranged side by side with first resistor Set；The second end connection of first magnetic bead, its one end and the first transistor；3rd electric capacity, its one end are another with the first magnetic bead The other end of end connection, the other end and inductance connects；Signal output part, its first end pass through the 4th electric capacity and the first transistor Second end connects, the three-terminal link of the second end and the first transistor.By the above-mentioned means, driving disclosed in the utility model Circuit is by increasing by the first magnetic bead so that drive circuit has reduction radiation function in itself, produced when producing pulse signal Radiation it is low, do not influence the normal work of the ambient electron element of drive circuit, beneficial to humidifier work.
Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is all It is the equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or directly or indirectly uses In other related technical areas, similarly it is included in scope of patent protection of the present utility model.

Claims (10)

  1. A kind of 1. drive circuit of atomizing piece, it is characterised in that including：
    Pulse power end, for being connected with the pulse power, with return pulse signal；
    The first transistor, its first end are connected with the pulse power end；
    Inductance, its one end are connected with the second end of the first transistor, and the other end is connected with voltage source；
    Diode, its positive terminal are connected with the second end of the first transistor；
    First resistor, its one end are connected with the cathode terminal of the diode, and the other end is connected with the voltage source；
    First electric capacity, it is set up in parallel with the first resistor；
    First magnetic bead, its one end are connected with the second end of the first transistor；
    3rd electric capacity, its one end are connected with the other end of first magnetic bead, and the other end is connected with the other end of the inductance；
    Signal output part, its first end are connected by the 4th electric capacity with the second end of the first transistor, the second end with it is described The three-terminal link of the first transistor.
  2. 2. drive circuit according to claim 1, it is characterised in that the first transistor is NMOS tube, described first The first end of transistor is the grid of the NMOS tube, and the second end of the first transistor is the source electrode of the NMOS tube, institute The 3rd end for stating the first transistor is the drain electrode of the NMOS tube.
  3. 3. drive circuit according to claim 1, it is characterised in that also include：
    Second electric capacity, its one end are connected with the other end of the inductance, other end ground connection.
  4. 4. drive circuit according to claim 1, it is characterised in that also include：
    Second resistance, its one end and the three-terminal link of the first transistor, other end ground connection；
    5th electric capacity, its one end and the three-terminal link of the first transistor, other end ground connection.
  5. 5. drive circuit according to claim 1, it is characterised in that also include：
    Second magnetic bead, its one end are connected with the first end of the signal output part；
    6th electric capacity, its one end are connected with the other end of second magnetic bead, the second end of the other end and the signal output part Connection.
  6. 6. drive circuit according to claim 1, it is characterised in that also include：
    3rd magnetic bead, wherein the pulse power end is connected by the 3rd magnetic bead with the first end of the first transistor；
    3rd resistor, its one end are connected with the first end of the first transistor, the other end and the 3rd of the first transistor End connection.
  7. 7. drive circuit according to claim 6, it is characterised in that also include：
    4th resistance, it is arranged in series between the 3rd magnetic bead and the pulse power end.
  8. 8. drive circuit according to claim 1, it is characterised in that also include：
    Second transistor, its first end are connected with the pulse power end, and the second end is connected with the voltage source, the 3rd end and institute State the first end connection of the first transistor；
    Third transistor, its first end are connected with the pulse power end, and the second end and the 3rd end of the second transistor connect Connect, the 3rd end ground connection；
    5th resistance, its one end are connected with the first end of the second transistor, other end ground connection.
  9. 9. drive circuit according to claim 8, it is characterised in that the second transistor is NPN type triode, described Third transistor is PNP type triode, and the first end of the second transistor is the base stage of the NPN type triode, described the Second end of two-transistor is the colelctor electrode of the NPN type triode, and the 3rd end of the second transistor is the NPN type three The emitter stage of pole pipe, the first end of the third transistor are the base stage of the PNP type triode, the of the third transistor Two ends are the colelctor electrode of the PNP type triode, and the 3rd end of the third transistor is the transmitting of the PNP type triode Pole.
  10. 10. drive circuit according to claim 8, it is characterised in that also include：
    6th resistance, its one end are connected with the pulse power end, and the other end is connected with the first end of the second transistor.
CN201720598289.0U 2017-05-25 2017-05-25 A kind of drive circuit of atomizing piece Active CN206727905U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720598289.0U CN206727905U (en) 2017-05-25 2017-05-25 A kind of drive circuit of atomizing piece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720598289.0U CN206727905U (en) 2017-05-25 2017-05-25 A kind of drive circuit of atomizing piece

Publications (1)

Publication Number Publication Date
CN206727905U true CN206727905U (en) 2017-12-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720598289.0U Active CN206727905U (en) 2017-05-25 2017-05-25 A kind of drive circuit of atomizing piece

Country Status (1)

Country Link
CN (1) CN206727905U (en)

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