CN111736493A - Balanced interconnected ion fan - Google Patents
Balanced interconnected ion fan Download PDFInfo
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- CN111736493A CN111736493A CN202010673304.XA CN202010673304A CN111736493A CN 111736493 A CN111736493 A CN 111736493A CN 202010673304 A CN202010673304 A CN 202010673304A CN 111736493 A CN111736493 A CN 111736493A
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- 230000005684 electric field Effects 0.000 claims abstract description 73
- 239000003990 capacitor Substances 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims description 5
- 230000003321 amplification Effects 0.000 claims 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims 2
- 150000002500 ions Chemical class 0.000 description 83
- 238000010586 diagram Methods 0.000 description 5
- 238000005070 sampling Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
- H05F3/00—Carrying-off electrostatic charges
- H05F3/04—Carrying-off electrostatic charges by means of spark gaps or other discharge devices
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
- H05F3/00—Carrying-off electrostatic charges
- H05F3/06—Carrying-off electrostatic charges by means of ionising radiation
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The invention discloses a balanced interconnected ion fan, wherein a balancing circuit detects a current electric field intensity signal in a preset electric field, generates an adjusting signal according to the current electric field intensity, a control circuit generates a control signal according to the adjusting signal, and a high-voltage circuit adjusts the current electric field intensity of the preset electric field according to the control signal. The technical scheme of the invention can adjust the current electric field intensity by the detected current electric field intensity signal so as to control the generation of high voltage and improve the product performance.
Description
Technical Field
The invention relates to the technical field of electronic circuits, in particular to a balanced interconnected ion fan.
Background
The desk-top ion fan can generate a large amount of airflow with positive and negative charges, and can neutralize the charges on objects. When the surface of the object is charged with negative charges, the object attracts the positive charges in the air flow; when the surface of the object is positively charged, it attracts negative charges in the air flow. When the positive and negative charges are contacted in equal quantity, the electrical neutralization can be achieved.
The ion fan is a high-voltage discharge device, discharges at a high-voltage point, breaks down air to generate ionized gas with positive charges and negative charges, and blows out the ionized gas by a fan to form ion wind. The ion blower can provide a large-range static electricity removing area, a quick static electricity removing time and a stable ion balance voltage in various working environments. The ion fan can generate a large amount of air flow with positive and negative charges, and can neutralize the charges on an object. When the surface of the object is charged with negative charges, the object attracts the positive charges in the air flow; when the surface of the object is positively charged, it attracts negative charges in the air flow. When the positive and negative charges are contacted in equal quantity, the electrical neutralization can be achieved.
The existing ion fan can not adjust parameters such as ionized gas generation rate according to ion concentration in the environment, and the performance of the product is influenced.
Disclosure of Invention
The invention mainly aims to provide a balanced interconnected ion fan, aiming at adjusting parameters such as ionized gas generation rate and the like according to ion concentration in the environment and improving the product performance.
In order to achieve the above object, the balance interconnected ion fan provided by the present invention comprises a control circuit, a voltage boost circuit, a balance circuit and a high voltage circuit; wherein
The boost circuit is used for boosting the voltage input by the power supply to obtain the working voltage required by the high-voltage circuit;
the balance circuit is used for detecting a current electric field intensity signal in a preset electric field and generating an adjusting signal according to the current electric field intensity;
the control circuit is used for generating a control signal according to the adjusting signal;
and the high-voltage circuit is used for adjusting the current electric field intensity of the preset electric field according to the control signal.
Preferably, the balancing circuit comprises a plurality of ion balance comparison circuits and a signal providing circuit; the signal providing circuit is used for providing a preset electric field strength signal, and the ion balance comparison circuit is used for comparing the current electric field strength signal with the preset electric field strength signal to generate an adjusting signal.
Preferably, the signal providing circuit comprises a first voltage dividing resistor, a second voltage dividing resistor, a third voltage dividing resistor, a fourth voltage dividing resistor, a fifth voltage dividing resistor, a sixth voltage dividing resistor and a seventh voltage dividing resistor; wherein
A first positive direct current power supply is connected with a first end of the second divider resistor through the first divider resistor, and a second end of the second divider resistor is connected with a first end of the third divider resistor; the second end of the third voltage-dividing resistor is connected with the second end of the fourth voltage-dividing resistor, the second end of the fourth voltage-dividing resistor is connected with the first end of the fifth voltage-dividing resistor, the second end of the fifth voltage-dividing resistor is connected with the first end of the seventh voltage-dividing resistor through the sixth voltage-dividing resistor, and the second end of the seventh voltage-dividing resistor is connected with the first negative direct-current power supply.
Preferably, the balance circuit includes a first ion balance comparison circuit, a second ion balance comparison circuit, a third ion balance comparison circuit and a fourth ion balance comparison circuit; the first ion balance comparison circuit, the second ion balance comparison circuit, the third ion balance comparison circuit and the fourth ion balance comparison circuit are respectively connected with the signal providing circuit; the first ion balance comparison circuit, the second ion balance comparison circuit, the third ion balance comparison circuit and the fourth ion balance comparison circuit all receive the current electric field intensity signal; the first ion balance comparison circuit, the second ion balance comparison circuit, the third ion balance comparison circuit and the fourth ion balance comparison circuit are respectively connected with the control circuit.
Preferably, the balanced interconnected ion blower further comprises an amplifying circuit; the amplifying circuit is used for amplifying the current electric field intensity signal.
Preferably, the amplifying circuit comprises a reference circuit and a voltage comparison circuit; wherein
The reference circuit is used for providing a reference voltage;
and the voltage comparison circuit is used for amplifying the current electric field strength signal according to the reference voltage.
Preferably, the amplifying circuit further comprises a voltage follower circuit, and the voltage follower circuit is used for outputting the adjustment signal voltage to the control circuit after following.
Preferably, the reference circuit comprises a first positive direct current power supply, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor and a first potentiometer; the first positive direct current power supply is connected with a first end of the first resistor, a second end of the first resistor is connected with a first end of the potentiometer, and a second end of the potentiometer is grounded through the second resistor; the first end of the third resistor is connected with the second end of the first potentiometer, and the second end of the third resistor is connected with a first negative direct current power supply; the first end of the fourth resistor is connected with the adjusting end of the first potentiometer, the second end of the fourth resistor is connected with the first end of the fifth resistor, the second end of the fifth resistor is grounded, and the second end of the fourth resistor is further connected with the voltage comparison circuit.
Preferably, the balancing circuit further comprises an overvoltage protection circuit; the overvoltage protection circuit comprises a sixth resistor, a seventh resistor, a fifth diode and a sixth diode; the first end of the sixth resistor is connected with the first positive direct current power supply, the second end of the sixth resistor is connected with the anode of the fifth diode, the cathode of the fifth diode is connected with the anode of the sixth diode, and the cathode of the sixth diode is grounded through the seventh resistor.
Preferably, the balanced interconnected ion blower further comprises a filter circuit, and the filter circuit is used for filtering the input current electric field strength signal.
Preferably, the balanced interconnected ion blower further comprises a phase adjusting circuit; the phase adjusting circuit is used for adjusting the phase of the capacitor matched with the capacitance value required by the balancing circuit.
Preferably, the balanced interconnected ion blower further comprises a grounding circuit for grounding the balancing circuit.
According to the technical scheme, the balance interconnection ion fan is formed by arranging the booster circuit, the control circuit, the balance circuit and the high-voltage circuit. The balance circuit detects a current electric field intensity signal in a preset electric field, generates an adjusting signal according to the current electric field intensity, the control circuit generates a control signal according to the adjusting signal and the preset electric field intensity, and the high-voltage circuit adjusts the current electric field intensity of the preset electric field according to the control signal. The technical scheme of the invention can adjust the current electric field intensity by the detected current electric field intensity signal so as to adjust parameters such as the generation rate of the ionized gas and the like, thereby improving the product performance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a functional block diagram of an embodiment of a balanced interconnected ion blower according to the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of an amplifying circuit in a balanced interconnected ion blower according to the present invention;
FIG. 3 is a schematic structural diagram of a balancing circuit in a balanced interconnected ion blower according to an embodiment of the present invention;
FIG. 4 is a functional block diagram of another embodiment of a balanced interconnected ion blower according to the present invention;
fig. 5 is a schematic structural diagram of a boost circuit in a balanced interconnected ion blower according to an embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should be considered to be absent and not within the protection scope of the present invention.
The invention provides a balanced interconnected ion fan.
Referring to fig. 1, in an embodiment of the present invention, to achieve the above object, the balanced interconnected ion blower provided by the present invention includes a control circuit 200, a voltage boosting circuit 900, a balancing circuit 100, and a high voltage circuit 300.
The boost circuit 900 is configured to boost a voltage input by a power supply to obtain a working voltage required by the high-voltage circuit;
the balance circuit 100 is configured to detect a current electric field strength signal in a preset electric field, and generate an adjustment signal according to the current electric field strength. It should be noted that the balanced interconnected ion blower further includes a sampling circuit, the sampling circuit is disposed near the high-voltage circuit 300, a point discharge device is disposed in the high-voltage circuit 300, and a preset electric field is an electric field near the point discharge device.
The control circuit 200 is configured to generate a control signal according to the adjustment signal. In this embodiment, the control circuit 200 is implemented by a microprocessor, and the microprocessor stores a program for generating a control signal according to the adjustment signal and a predetermined electric field strength. The microprocessor acquires a current electric field intensity interval according to the adjusting signal, and acquires parameters such as the speed required by the actual ion gas and the like in a table look-up mode based on the interval to generate a control signal.
The high-voltage circuit 300 is configured to adjust the current electric field strength of the preset electric field according to the control signal. It should be noted that the high voltage circuit 300 mainly functions to generate the ion gas by utilizing the point discharge, and the operation principle of the high voltage circuit 300 is well known in the art and will not be described herein.
According to the technical scheme, the control circuit 200, the balance circuit 100 and the high-voltage circuit 300 are arranged to form the balance interconnection ion fan. The balance circuit 100 detects a current electric field strength signal in a preset electric field, generates an adjusting signal according to the current electric field strength, the control circuit 200 generates a control signal according to the adjusting signal and the preset electric field strength, and the high-voltage circuit 300 adjusts the current electric field strength of the preset electric field according to the control signal. The technical scheme of the invention can adjust the current electric field intensity by the detected current electric field intensity signal so as to adjust parameters such as the generation rate of the ionized gas and the like, thereby improving the product performance.
Further, the balance circuit 100 includes a plurality of ion balance comparison circuits and a signal providing circuit; the signal providing circuit is used for providing a preset electric field intensity signal, the ion balance comparison circuit is used for comparing the current electric field intensity signal with the preset electric field intensity signal so as to obtain an intensity interval where the current electric field intensity signal is located, and an adjusting signal is generated based on the intensity interval where the current electric field intensity signal is located.
It is worth to be noted that, the plurality of ion balance comparison circuits and the signal providing circuit divide the intensity interval of the input current electric field intensity signal, and when the current electric field intensity is stronger, the adjustment signal is generated, so as to reduce parameters such as the generation rate of the ion gas; when the current electric field intensity is weak, an adjusting signal is generated, and parameters such as the generation rate of the ion gas are improved.
Referring to fig. 2, specifically, the signal providing circuit includes a first voltage dividing resistor Rf1, a second voltage dividing resistor Rf2, a third voltage dividing resistor Rf3, a fourth voltage dividing resistor Rf4, a fifth voltage dividing resistor Rf5, a sixth voltage dividing resistor Rf6, a seventh voltage dividing resistor Rf7, a first negative dc power-VCC, and a first positive dc power-VCC +; wherein
A first positive dc power source is connected to a first terminal of the second voltage-dividing resistor Rf2 through the first voltage-dividing resistor Rf1, and a second terminal of the second voltage-dividing resistor Rf2 is connected to a first terminal of the third voltage-dividing resistor Rf 3; a second end of the third voltage dividing resistor Rf3 is connected to a second end of the fourth voltage dividing resistor Rf4, a second end of the fourth voltage dividing resistor Rf4 is connected to a first end of the fifth voltage dividing resistor Rf5, a second end of the fifth voltage dividing resistor Rf5 is connected to a first end of the seventh voltage dividing resistor Rf7 via the sixth voltage dividing resistor Rf6, and a second end of the seventh voltage dividing resistor Rf7 is connected to a first negative dc power supply.
It should be noted that the first voltage dividing resistor Rf1 to the seventh voltage dividing resistor Rf7 are configured to divide the voltage output by the first positive dc power supply to obtain four different sets of reference signals, and the four different sets of reference signals are respectively provided to the first ion balance comparing circuit, the second ion balance comparing circuit, the third ion balance comparing circuit, and the fourth ion balance comparing circuit, so as to divide the intensity interval of the input current electric field intensity signal.
The signal supply circuit is further provided with filter capacitors CE1 and CE2, which are used for filtering and stabilizing the voltage output by the first positive direct current power supply and the first negative direct current power supply.
Further, the balance circuit 100 includes a first ion balance comparison circuit, a second ion balance comparison circuit, a third ion balance comparison circuit, and a fourth ion balance comparison circuit; the first ion balance comparison circuit, the second ion balance comparison circuit, the third ion balance comparison circuit and the fourth ion balance comparison circuit are respectively connected with the signal providing circuit; the first ion balance comparison circuit, the second ion balance comparison circuit, the third ion balance comparison circuit and the fourth ion balance comparison circuit all receive the current electric field intensity signal; the first ion balance comparison circuit, the second ion balance comparison circuit, the third ion balance comparison circuit and the fourth ion balance comparison circuit are respectively connected with the control circuit 200.
In this embodiment, the first ion balance comparing circuit to the fourth ion balance comparing circuit have the same circuit.
The first ion balance comparison circuit comprises a first operational amplifier OP1, a first pull-up resistor Rl1, a first diode D1, a first current-limiting resistor Rs1 and a second current-limiting resistor Rs 2;
the second ion balance comparison circuit comprises a second operational amplifier OP2, a second pull-up resistor Rl2, a second diode D2, a third current-limiting resistor Rs3 and a fourth current-limiting resistor Rs 4;
the third ion balance comparison circuit comprises a third operational amplifier OP3, a third pull-up resistor Rl3, a third diode D3, a fifth current-limiting resistor Rs5 and a sixth current-limiting resistor Rs 6;
the fourth ion balance comparison circuit comprises a fourth operational amplifier OP4, a fourth pull-up resistor Rl4, a fourth diode D4, a seventh current-limiting resistor Rs7 and an eighth current-limiting resistor Rs 8.
The first operational amplifier to the fourth operational amplifier are integrated in the same chip, the model of the adopted chip is NJM2901, four comparison circuits are integrated in the chip of the signal, the input current electric field intensity signal is compared with four reference signals provided by a signal providing circuit respectively to generate an adjusting signal, and the microprocessor judges the section of the current electric field intensity according to the adjusting signal.
Referring to fig. 4, further, the balanced interconnected ion blower further includes an amplifying circuit 400; the amplifying circuit 400 is used for amplifying the current electric field strength signal. It should be noted that, if the front electric field strength signal sampled by the sampling circuit is compared, in order to further improve the anti-interference performance of the signal, the input front electric field strength signal is amplified to enhance the signal strength, which is convenient for the processing of the subsequent circuit.
In this embodiment, the amplifying circuit 400 includes a reference circuit and a voltage comparing circuit; wherein
The reference circuit is used for providing a reference voltage;
and the voltage comparison circuit is used for amplifying the current electric field strength signal according to the reference voltage.
Further, the amplifying circuit further includes a voltage follower circuit, and the voltage follower circuit is configured to output the adjustment signal voltage to the control circuit 200 after following the adjustment signal voltage.
Referring to fig. 2, in particular, the reference circuit includes a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5 and a first potentiometer W1; the first positive direct current power supply + VCC is connected to a first end of the first resistor R1, a second end of the first resistor R1 is connected to a first end of the potentiometer W1, and a second end of the potentiometer W1 is grounded via the second resistor R2; a first end of the third resistor R3 is connected to a second end of the first potentiometer W1, and a second end of the third resistor R3 is connected to a first negative dc power supply-VCC; a first end of the fourth resistor R4 is connected with the adjusting end of the first potentiometer W1, a second end of the fourth resistor R4 is connected with a first end of the fifth resistor R5, and a second end of the fifth resistor R5 is grounded; the second end of the fourth resistor R4 is also connected to the voltage comparison circuit.
Specifically, the balancing circuit 100 further includes an overvoltage protection circuit 500; the overvoltage protection circuit 500 comprises a sixth resistor R6, a seventh resistor R7, a first diode D5 and a sixth diode D6; the first end of the sixth resistor R6 is connected to the first positive dc power supply + VCC, the second end of the sixth resistor R6 is connected to the anode of the first diode D5, the cathode of the first diode D5 is connected to the anode of the sixth diode D6, and the cathode of the sixth diode D6 is grounded via the seventh resistor R7.
Further, the balanced interconnected ion blower further comprises a filter circuit 600, and the filter circuit 600 is used for filtering the input current electric field strength signal. In this embodiment, the filter circuit 600 includes an eighth resistor R8 and a first capacitor C1, a first end of the eighth resistor R8 is connected to the input terminal of the amplifier circuit 600, a second end of the eighth resistor R8 is grounded, and the first capacitor C1 is connected in parallel to two ends of the eighth resistor R8. The amplifying circuit 400 further includes a ninth resistor R9 and a tenth resistor R10, wherein a first end of the ninth resistor R9 is connected to the filter circuit 600, a second end of the ninth resistor R9 is connected to a first end of the tenth resistor R10, and a second end of the tenth resistor R10 is connected to the voltage comparator circuit.
In this embodiment, the voltage comparison voltage includes a fifth operational amplifier OP5, an eleventh resistor R11, and a second capacitor C2. The voltage follower includes a sixth operational amplifier OP6 and a twelfth resistor R12. The output end of the voltage follower is also connected with a third capacitor C3 and a fourth capacitor C4 for further filtering and stabilizing voltage.
Further, the balanced interconnected ion blower further comprises a phase adjusting circuit 800; the phase adjusting circuit 80 is used for adjusting the phase of the capacitor with the capacitance value matching required by the high-voltage circuit. It is worth to be noted that the balance degree of the output ions is enhanced by adjusting the phase of the output position of the high-voltage circuit.
Further, the balanced interconnected ion blower further comprises a grounding circuit 700, wherein the grounding circuit 700 is used for grounding the balancing circuit 10. The characteristics of the metal object itself that may cause interference are minimized by the ground circuit 700.
Referring to fig. 5, in the present embodiment, the boost circuit includes resistors R12 to R49, chips U1, U2, U3A, U3B, and U4, switching tubes Q1 to Q12, and capacitors C1 to C10.
The first end of the resistor R12 receives a power-on signal, the second end of the resistor R12 is connected with the chip U1, and the chip U1 is powered by the DC power supply VCC. A first end of the resistor R21 receives a first control signal PWM1, a second end of the resistor R21 is connected with a base electrode of a switching tube Q3, and an emitter electrode of the switching tube is connected with a first end of the resistor R23; the collector of the switch tube is grounded; the first end of the resistor R22 is connected to the second end of the resistor R21, and the second end of the resistor R22 is grounded. One end of the resistor R27 receives the second control signal PWM 2.
It is worth to be noted that the resistor R21, the resistor R22, the resistor R23, the resistor R24, the resistor R25, the resistor R26, the resistor R27, the resistor R28, the resistor R29, the resistor R30, the resistor R33, the resistor R32, the resistor R31, the switch Q9, the resistor R34, the resistor R35, the resistor R36, the resistor R37, the resistor R38, the resistor R39, the switch Q11, the resistor R38, the resistor R39, the resistor R41, the resistor R40, and the resistor R42 form a symmetrical structure. Wherein one terminal of the resistor R31 receives the third control signal PWM 3. One terminal of the resistor R41 receives the fourth control signal PWM 4.
The resistor R13 is a potentiometer, and the resistor R13, the resistor R14, the resistor R15, the resistor R16, the resistor R17, the resistor R18, the resistor R19, the switch tube Q2, the resistor R20, the capacitor C5, the capacitor C6, the capacitor C7 and the chip U2 form a power supply loop.
The first end of the resistor R31 receives the third control signal, the second end of the resistor R31 is connected to the base of the switching transistor Q9, the emitter of the switching transistor Q9 is connected to the first end of the resistor R30, and the second end of the resistor R30 is connected to the dc power VCC via the resistor R29. The first terminal of resistor R31 is also connected to the first terminal of resistor 34 via resistor R33.
The resistor R44, the resistor R45, the resistor R46, the resistor R47, the resistor R48, the resistor R49, the chip U3A and the chip U3B form two operational amplifiers. The resistor R43 and the chip U5 form a signal acquisition circuit.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A balanced interconnected ion blower, comprising: the device comprises a booster circuit, a control circuit, a balancing circuit and a high-voltage circuit; wherein
The boost circuit is used for boosting the voltage input by the power supply to obtain the working voltage required by the high-voltage circuit;
the balance circuit is used for detecting a current electric field intensity signal in a preset electric field and generating an adjusting signal according to the current electric field intensity;
the control circuit is used for generating a control signal according to the adjusting signal;
and the high-voltage circuit is used for adjusting the current electric field intensity of the preset electric field according to the control signal.
2. The balanced interconnected ion blower of claim 1, wherein said balancing circuitry includes a plurality of ion balance comparison circuits and signal providing circuits; the signal providing circuit is used for providing a preset electric field strength signal, and the ion balance comparison circuit is used for comparing the current electric field strength signal with the preset electric field strength signal to generate an adjusting signal.
3. The balanced interconnected ionic wind machine of claim 1, wherein the signal providing circuit comprises a first voltage dividing resistor, a second voltage dividing resistor, a third voltage dividing resistor, a fourth voltage dividing resistor, a fifth voltage dividing resistor, a sixth voltage dividing resistor and a seventh voltage dividing resistor; wherein
A first positive direct current power supply is connected with a first end of the second divider resistor through the first divider resistor, and a second end of the second divider resistor is connected with a first end of the third divider resistor; the second end of the third voltage-dividing resistor is connected with the second end of the fourth voltage-dividing resistor, the second end of the fourth voltage-dividing resistor is connected with the first end of the fifth voltage-dividing resistor, the second end of the fifth voltage-dividing resistor is connected with the first end of the seventh voltage-dividing resistor through the sixth voltage-dividing resistor, and the second end of the seventh voltage-dividing resistor is connected with the first negative direct-current power supply.
4. The balanced interconnected ion blower of claim 3, wherein the balancing circuit includes a first ion balance comparison circuit, a second ion balance comparison circuit, a third ion balance comparison circuit, and a fourth ion balance comparison circuit; the first ion balance comparison circuit, the second ion balance comparison circuit, the third ion balance comparison circuit and the fourth ion balance comparison circuit are respectively connected with the signal providing circuit; the first ion balance comparison circuit, the second ion balance comparison circuit, the third ion balance comparison circuit and the fourth ion balance comparison circuit all receive the current electric field intensity signal; the first ion balance comparison circuit, the second ion balance comparison circuit, the third ion balance comparison circuit and the fourth ion balance comparison circuit are also respectively connected with the control circuit.
5. The balanced interconnected ion blower of claim 1, further comprising an amplification circuit; the amplifying circuit is used for amplifying the current electric field intensity signal.
6. The balanced interconnected ion blower of claim 5, wherein said amplifying circuit includes a reference circuit and a voltage comparison circuit; wherein
The reference circuit is used for providing a reference voltage;
and the voltage comparison circuit is used for amplifying the current electric field strength signal according to the reference voltage.
7. The balanced interconnected ion blower of claim 6, wherein the amplification circuit further comprises a voltage follower circuit for voltage-following the adjustment signal for output to the control circuit.
8. The balanced interconnected ion blower of claim 1, further comprising a phase adjustment circuit; the phase adjusting circuit is used for adjusting the phase of the capacitor matched with the capacitance value required by the balancing circuit.
9. The balanced interconnected ion blower of claim 1, further comprising a ground circuit for grounding the balanced circuit.
10. The balanced interconnected ion blower of claim 6, further comprising a filter circuit for filtering an input current electric field strength signal.
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| CN111736493B (en) | 2024-05-03 |
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