CN212304837U - Control circuit of electrostatic sprayer - Google Patents
Control circuit of electrostatic sprayer Download PDFInfo
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- CN212304837U CN212304837U CN202021485563.1U CN202021485563U CN212304837U CN 212304837 U CN212304837 U CN 212304837U CN 202021485563 U CN202021485563 U CN 202021485563U CN 212304837 U CN212304837 U CN 212304837U
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Abstract
The utility model provides an electrostatic atomizer control circuit belongs to electrostatic spraying equipment technical field. The control circuit comprises a single-pole double-throw switch, a first socket, a relay, a second socket, a high-voltage module and a diode, non-charged and charged fog drops are selectively sprayed according to the actual use requirement, and meanwhile, the voltage stabilizing circuit can stabilize the voltage when the voltage of the battery is unstable, so as to ensure that the voltage output to the voltage boosting device is always stable, solve the problem that the voltage output by the voltage boosting device is lower than or higher than the set output voltage because the voltage in the battery is unstable in the existing electrostatic sprayer equipment, therefore, the charged capacity of the fog drops is reduced, the adsorption capacity of the fog drops and the sprayed object is weakened, pesticide fog drops which are not adsorbed by the sprayed object are scattered to the ground to cause environmental pollution and resource waste, the spraying effect is not ideal, and the fog drops with or without charges cannot be sprayed according to the actual use requirement, so that the working efficiency is reduced.
Description
Technical Field
The utility model relates to an electrostatic spraying equipment technical field particularly, relates to an electrostatic sprayer control circuit.
Background
The electrostatic spraying technology is that high voltage static electricity is applied to establish an electrostatic field between a spray head and a spraying target, pesticide fluid is charged by a charging device arranged in the spray head after being atomized to form a group of charged fog drops, then the fog drops are directionally moved and adsorbed at each part of the target under the combined action of electrostatic field force and airflow blown by a fan arranged in the spray head, so that the good performances of high deposition efficiency, less fog drop drift and loss, ecological environment improvement and the like are achieved, the battery-powered electrostatic sprayer equipment is provided at present, the battery-powered electrostatic sprayer equipment can more conveniently spray, an internal circuit of the battery-powered electrostatic sprayer equipment is generally composed of a battery and a boosting module, but due to the characteristics of the battery, the voltage in the battery is changed in real time in the working process, the internal voltage of the battery is higher when the battery starts to work, and the voltage is slowly reduced after the battery works for a period of time, the voltage finally output by the boosting device is lower than or higher than the set output voltage, so that the charged capacity of the fog drops is reduced, the adsorption capacity of the fog drops and the adsorption capacity of the sprayed objects are weakened, the pesticide fog drops which are not adsorbed by the sprayed objects float to the ground to cause environmental pollution and resource waste, the spraying effect is not ideal, meanwhile, the existing electrostatic spraying mode is single, only the fog drops with charges can be sprayed, but the charged spraying has a better sterilizing effect when being used for the surface of the object, the uncharged spraying has a better sterilizing effect when being used for air sterilization, and the spraying equipment without the static is required to spray when air is sterilized, so that the working efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
In order to make up for the above deficiency, the utility model provides an electrostatic atomizer control circuit, through increasing voltage stabilizing circuit and control circuit to current electrostatic atomizer equipment, can spray uncharged and charged fog drop according to the in-service use demand selection, voltage stabilizing circuit can carry out voltage stabilization treatment with voltage when battery voltage is unstable simultaneously, in order to guarantee that the voltage of exporting to booster unit remains stable all the time, the voltage of the inside of battery that has solved present electrostatic atomizer equipment exists is unstable, lead to booster unit final output voltage to be less than or higher than the output voltage of settlement, thereby make the fog drop electrified ability descend, weaken with the adsorption affinity of being sprayed the object, the pesticide fog drop that does not float with being sprayed the object and scatter to ground and cause the pollution and the resource waste of environment, it is unsatisfactory to spray the effect and can not select to spray charged or charged fog drop according to the in-service use demand, the use is inconvenient, and the work efficiency is reduced.
The utility model discloses a realize like this:
an electrostatic atomizer control circuit comprises a single-pole double-throw switch, a first socket, a relay, a second socket, a high-voltage module and a diode; the first socket is electrically connected with the single-pole double-throw switch, the relay, the second socket and the diode respectively, and the second socket is electrically connected with the high-voltage module;
wherein, the power input IN V + end is electrically connected with the 2 pins of the first socket and the 3 pins of the relay, the pin 1 of the single-pole double-throw switch is electrically connected with the pin 2 of the first socket, the pin 1 of the first socket is electrically connected with the pin 2 of the single-pole double-throw switch, the pin 1 of the relay and one end of the diode, the pin 3 of the first socket is electrically connected with the pin 3 of the single-pole double-throw switch, the pin 1 of the second socket and the other end of the diode, the 2 pins of the second socket are electrically connected with a power input IN V-end, a GND (ground), a power output OUT V-end and the 2 pins of the relay, the 4 pins of the relay are electrically connected with an OUT V + end of a power input, and the 1 pin of the second socket is electrically connected with the high-voltage module;
the high-voltage module comprises a voltage stabilizing module and a boosting module, a power supply input end of the voltage stabilizing module is electrically connected with the pin 1 of the second socket, and a power supply input end of the voltage stabilizing module is electrically connected with a power supply input end of the boosting module;
the voltage stabilizing module comprises a transient suppression diode, a frequency setting resistor, a voltage dividing circuit, a voltage reduction conversion chip, a compensating circuit and an enabling control circuit; the compensation circuit comprises a capacitor C4 and a resistor R6; the transient suppression diode is electrically connected with a pin 1 of the second socket, the voltage reduction conversion chip is respectively electrically connected with the transient suppression diode, the frequency setting resistor, the voltage division circuit, the compensation circuit and the enabling control circuit, and the transient suppression diode is electrically connected with the enabling control circuit;
the 1 pin of the second socket is electrically connected with the transient suppression diode, the capacitor C2, the resistor R1 and one end of the 7 pin of the buck conversion chip, the other ends of the transient suppression diode and the capacitor C2 are electrically connected with GND, the other end of the resistor R1 is electrically connected with the 2 pin of the buck conversion chip and one end of the resistor R5, and the other end of the resistor R5 is electrically connected with GND; one end of the frequency setting resistor is electrically connected with the 6 pins of the voltage reduction conversion chip, and the other end of the frequency setting resistor is electrically connected with the GND; the 5 pins of the voltage reduction conversion chip are electrically connected with GND, the 8 pins of the voltage reduction conversion chip are electrically connected with one end of a capacitor C1, the other end of a capacitor C1 is electrically connected with the 1 pin of the voltage reduction conversion chip, one end of a diode D2 and one end of an energy storage inductor L1, the other end of a diode D2 is electrically connected with GND, the pin 3 of the step-down conversion chip is electrically connected with one end of a capacitor C4, the other end of a capacitor C4 is electrically connected with one end of a resistor R6, the other end of a resistor R6 is electrically connected with GND, the 4 pins of the buck conversion chip are electrically connected with one ends of a resistor R3 and a resistor R7, the other end of the resistor R7 is electrically connected with GND, the other end of the resistor R3 is electrically connected with one end of a resistor R2, a load end V _12, the other end of an inductor L1, the other end of a resistor R2, one end of a capacitor C3 and the boost module are electrically connected, and the other end of the capacitor C3 is electrically connected with GND.
The vehicle plate assembly comprises a supporting plate, a traveling wheel and a push rod, and the traveling wheel and the push rod are respectively arranged at the bottom and the top of the supporting plate;
IN an embodiment of the present invention, the power input IN V + terminal and the power input IN V-terminal are respectively used for connecting the positive electrode and the negative electrode of the battery power supply, and the power input OUT V + terminal and the power output OUT V-terminal are respectively used for connecting the positive electrode and the negative electrode of the fan.
In one embodiment of the present invention, the high voltage module is configured to increase the voltage output by the battery to twenty thousand volts.
In an embodiment of the present invention, the voltage stabilizing module is used for stabilizing the voltage output by the battery.
In an embodiment of the present invention, the voltage dividing circuit includes a resistor R2, a resistor R3, and a resistor R7, and the resistor R2, the resistor R3, and the resistor R7 are connected in series and used for feeding back the output voltage to the step-down conversion chip, after comparing with the internal reference value, the output voltage of the output voltage satisfies the set output requirement.
In an embodiment of the present invention, the enable control circuit includes a resistor R1 and a resistor R5 for controlling the buck conversion chip to be turned on and off.
The utility model has the advantages that:
1. by arranging the single-pole double-throw switch, the first socket, the relay, the second socket, the high-voltage module and the diode, the 1 pin of the single-pole double-throw switch is adjusted to be respectively connected or disconnected with the 2 pin of the single-pole double-throw switch and the 3 pin of the single-pole double-throw switch, so that the high-voltage module is in a power-on or power-off state, the sprayed fog drops are charged when the high-voltage module is powered on, and the sprayed fog drops are not charged when the high-voltage module is not powered on, thereby the electrostatic sprayer can change the spraying mode according to the actual requirement, when the high-pressure module is opened to disinfect the surface of an object, the sprayed fog drops have electric charges, the disinfection effect on the surface is better, the high-pressure module is closed when the air is disinfected, so that the sprayed fog drops have no electric charge, the air sterilizer has better air sterilization effect, realizes two functions by one machine, is more convenient to use, and improves the working efficiency.
2. By arranging the voltage stabilizing circuit, when the output voltage is higher, the voltage divided by the voltage dividing circuit consisting of the resistor R2, the resistor R3 and the resistor R7 is higher, the voltage is fed back to the 4 pins of the voltage reduction conversion chip, after being compared with the internal reference voltage by the internal error amplifier, the internal MOSFET is controlled, the output voltage is reduced until the output voltage reaches the stable output voltage, when the output voltage is lower, the voltage divided by the resistor R2, the resistor R3 and the resistor R7 is lower, the voltage is fed back to the 4 pins of the voltage reduction conversion chip, after being compared with the internal reference voltage by the internal error amplifier of the voltage reduction conversion chip, the internal MOSFET is controlled, the output voltage is increased until the stable voltage output state is reached, the voltage output to the voltage boosting device is ensured to be stable all the time, the electrification capacity of the fog drops is kept stable, and the problem that the voltage in the battery of the existing electrostatic atomizer equipment is unstable is solved, the voltage finally output by the booster is lower than or higher than the set output voltage, so that the electrification capacity of the fog drops is reduced, the adsorption capacity of the sprayed objects is weakened, the pesticide fog drops which are not adsorbed by the sprayed objects are scattered to the ground, the environmental pollution and the resource waste are caused, and the spraying effect is not ideal.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a control circuit of an electrostatic atomizer according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the current flow direction of the part of the single-pole double-throw switch shown in FIG. 1 after the connection between the 1 pin of the single-pole double-throw switch and the 2 pin of the single-pole double-throw switch;
FIG. 3 is a schematic diagram showing a part of current flowing after a pin 1 of the single-pole double-throw switch in FIG. 1 is connected with a pin 3 of the single-pole double-throw switch;
fig. 4 is a schematic view of a connection structure of a voltage stabilizing module and a boosting module disclosed in the embodiment of the present invention;
fig. 5 is a circuit diagram of a voltage stabilizing module according to an embodiment of the present invention.
In the figure: 1-single pole double throw switch; 2-a first socket; 3-a relay; 4-a second socket; 5-a high voltage module; 501-a voltage stabilizing module; 5011-transient suppression diode; 5012-frequency setting resistance; 5013-a voltage divider circuit; 5014-step-down conversion chip; 5015-compensation circuit; 5016-enable control circuit; 502-a boost module; 6-diode.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-5, the present invention provides a technical solution: an electrostatic atomizer control circuit comprises a single-pole double-throw switch 1, a first socket 2, a relay 3, a second socket 4, a high-voltage module 5 and a diode 6; the first socket 2 is electrically connected with the single-pole double-throw switch 1, the relay 3, the second socket 4 and the diode 6 respectively, the second socket 4 is electrically connected with the high-voltage module 5, wherein, a power input IN V + end is electrically connected with the pin 2 of the first socket 2 and the pin 3 of the relay 3, the pin 1 of the single-pole double-throw switch 1 is electrically connected with the pin 2 of the first socket 2, the pin 1 of the first socket 2 is electrically connected with the pin 2 of the single-pole double-throw switch 1, the pin 1 of the relay 3 and one end of the diode 6, the pin 3 of the first socket 2 is electrically connected with the pin 3 of the single-pole double-throw switch 1, the pin 1 of the second socket 4 and the other end of the diode 6, the pin 2 of the second socket 4 is electrically connected with a power input IN V-end, GND, a power output OUT V-end and a 2-pin electrical connection of the relay 3, wherein 4 pins of the relay 3 are electrically connected with a power input OUT V + end, a power input IN V + end and a power input IN V-end are respectively used for connecting the anode and the cathode of a battery power supply, a power input OUT V + end and a power output OUT V-end are respectively used for connecting the anode and the cathode of a fan, a pin 1 of the second socket 4 is electrically connected with the high-voltage module 5, the high-voltage module 5 comprises a voltage stabilizing module 501 and a boosting module 502, a power input end of the voltage stabilizing module 501 is electrically connected with the pin 1 of the second socket 4, a power input end of the voltage stabilizing module 501 is electrically connected with a power input end of the boosting module 502, the voltage stabilizing module 501 is used for stabilizing the voltage output by the battery, and the voltage stabilizing module 501 comprises a transient suppression diode 5011, a voltage boosting diode is electrically, A frequency setting resistor 5012, a voltage division circuit 5013, a step-down conversion chip 5014, a compensation circuit 5015, and an enable control circuit 5016; the compensation circuit 5015 comprises a capacitor C4 and a resistor R6, wherein the capacitor C4 is connected in series with the resistor R6 and is used for compensating the frequency of the control loop; the transient suppressor diode 5011 is electrically connected to the 1 pin of the second socket 4, the buck conversion chip 5014 is electrically connected to the transient suppressor diode 5011, the frequency setting resistor 5012, the voltage dividing circuit 5013, the compensating circuit 5015 and the enable control circuit 5016, respectively, the frequency setting resistor 5012 is used for programming the switching frequency of the buck conversion chip 5014, setting the switching frequency of the buck conversion chip 5014, the transient suppressor diode 5011 is electrically connected to the enable control circuit 5016, wherein the 1 pin of the second socket 4 is electrically connected to one end of the transient suppressor diode 5011, the capacitor C2, the resistor R1 and the 7 pin of the buck conversion chip 5014, the other end of the transient suppressor diode 5011, the other end of the capacitor C2 are electrically connected to GND, and the other end of the resistor R1 is electrically connected to the 2 pin of the buck conversion chip 5014 and one end of the resistor R5, the other end of the resistor R5 is electrically connected with GND; one end of the frequency setting resistor 5012 is electrically connected with the 6 pin of the buck conversion chip 5014, and the other end of the frequency setting resistor 5012 is electrically connected with the GND; the 5 pin of the buck conversion chip 5014 is electrically connected to GND, the 8 pin of the buck conversion chip 5014 is electrically connected to one end of a capacitor C1, the other end of a capacitor C1 is electrically connected to the 1 pin of the buck conversion chip 5014, one end of a diode D2 and an energy storage inductor L1, the other end of a diode D2 is electrically connected to GND, the 3 pin of the buck conversion chip 5014 is electrically connected to one end of a capacitor C4, the other end of a capacitor C4 is electrically connected to one end of a resistor R6, the other end of a resistor R6 is electrically connected to GND, the 4 pin of the buck conversion chip 5014 is electrically connected to one ends of a resistor R3 and a resistor R7, the other end of a resistor R7 is electrically connected to GND, the other end of a resistor R3 is electrically connected to one end of a resistor R2, the load terminal V _12 is electrically connected to the other end of an inductor L1, the other end of a resistor R2, one end of a capacitor C39, the other end of the capacitor C3 is electrically connected to GND.
IN this embodiment, when air is disinfected, pin 1 and pin 2 of the single-pole double-throw switch 1 are connected, a loop is formed from power supply IN V + to pin 2 of the first socket 2 to pin 1 of the single-pole double-throw switch 1 to pin 1 of the first socket 2 of the single-pole double-throw switch 1 to pin 1 of the relay 3 to IN V-, the relay 3 is electrified, pin 3 and pin 4 of the relay 3 are connected, OUT V + outputs power supply to a fan, the fan works, because of the one-way conductivity of the D1 diode 6, the high-voltage module 5 is not connected with the power supply, at the moment, the fog drops sprayed by the sprayer are not charged, the air disinfection effect is better, when the surface of an object is disinfected, pin 1 and pin 3 of the single-pole double-throw switch 1 are connected, power supply IN V + to pin 2 of the first socket 2 to pin 3 of the single-pole double-throw switch 1 to pin 1 of the second socket 4 to pin 1 The module 5 is pressed, the high-voltage module 5 is powered, the other path is added to a pin 1 of the relay 3 to a pin 2 of the relay 3 to form a loop from IN V-through a diode 6, the relay 3 is powered on, the pin 3 and the pin 4 of the relay 3 are connected, an OUT V + output power supply is added to a fan, the fan works, the high-voltage module 5 works at the moment, fog drops sprayed by the sprayer are charged, the fog drops with the charges are adsorbed on the surface of an object and have a better disinfection effect on the surface of the object, so that the electrostatic sprayer can change a spraying mode according to actual requirements, the high-voltage module is started to charge the fog drops sprayed when the surface of the object is disinfected, the surface disinfection effect is better, the high-voltage module is closed when air is disinfected, the sprayed fog drops are not charged, the air disinfection effect is better for air disinfection, and one machine realizes two functions, the use is more convenient, promotes work efficiency.
Referring to fig. 1-3, the high voltage module 5 is used to increase the voltage output by the battery to twenty thousand volts, and the droplets are best adapted to the charge under the voltage environment of twenty thousand volts, and can carry the most charge, and the amount of charge carried by the droplets is reduced below twenty thousand volts or above twenty thousand volts.
Referring to fig. 5, in the embodiment of the present invention, the voltage dividing circuit 5013 includes a resistor R2, a resistor R3, and a resistor R7, and the resistor R2, the resistor R3, and the resistor R7 are connected in series to feed back the output voltage to the buck conversion chip 5014 for comparison with an internal reference value, so that the output voltage meets the set output requirement.
Referring to fig. 5, in the embodiment of the invention, the enable control circuit 5016 includes a resistor R1 and a resistor R5, and is used to control the buck conversion chip 5014 to turn on and off, where the voltage input to pin 2 of the buck conversion chip 5014 is greater than 3.0V to start the output voltage, and the voltage input to pin 2 of the buck conversion chip 5014 is in the power-off mode below 1.2V to save more power.
Specifically, the operating principle of an electrostatic atomizer control circuit is that only a fan mode is started: when 1 pin of single-pole double- throw switch 1, 2 pins switch-on, power IN V + to 2 pins of first socket 2 to 1 pin of single-pole double-throw switch 1 to 2 pins of single-pole double-throw switch 1 to 1 pin of first socket 2 of relay 3 to 2 pins of relay 3 to IN V-formation return circuit, relay 3 is electrified, 3 pins and 4 pins switch-on of relay 3, OUT V + output power, add to the fan, the fan work, because D1 diode 6's one-way conductivity, high-voltage module 5 is not electrified, at this moment, OUT work, fan + electrostatic mode: when the pin 1 and the pin 3 of the single-pole double-throw switch 1 are connected, a power supply IN V + is connected to the pin 2 of the first socket 2 to the pin 1 of the single-pole double-throw switch 1 to the pin 3 of the single-pole double-throw switch 1 to the pin 1 of the second socket 4 to the high-voltage module 5, the high-voltage module 5 is powered, current is filtered by a capacitor C2 to reduce ripples of the power supply, the transient suppression diode 5011 is conducted when the input voltage of the transient suppression diode 5011 is overhigh, the power supply voltage is pulled down to prevent the voltage reduction conversion chip 5014 from being damaged by overhigh voltage at the moment of power-on, the voltage reduction conversion chip 5014 starts the output voltage when the voltage input by the pin 2 of the voltage reduction conversion chip 5014 is more than 3.0V, the voltage reduction conversion chip 5014 is IN a shutdown mode when the input voltage is lower than 1.2V, when the output voltage of the pin 1 of the voltage reduction conversion chip 5014 is increased, the voltage is increased by a voltage division circuit 5013 consisting of a, the voltage is fed back to the 4 pins of the buck conversion chip 5014, after the internal error amplifier compares the voltage with the internal reference voltage, the internal MOSFET is controlled, the output voltage is reduced until the output voltage reaches a stable output voltage, when the output voltage of the 1 pin of the buck conversion chip 5014 becomes low, the voltage divided by the resistor R2, the resistor R3 and the resistor R7 also becomes low, the voltage is fed back to the 4 pin ends of the buck conversion chip 5014, after the internal error amplifier compares the voltage with the internal reference voltage, the internal MOSFET is controlled, the output voltage is increased until the voltage reaches a stable voltage output state, so that the voltage output to the boosting device is always stable, the other path is added to the 1 pin of the relay 3 to the 2 pin of the relay 3 to form a loop from IN V-through the diode 6, the relay 3 is powered on, the 3 pin and the 4 pin of the relay 3 are connected, and the OUT V + output power supply is achieved, the electric sprayer comprises a fan, a high-voltage module 5, a booster device, a spraying object, a voltage boosting device, a high-voltage module, a voltage boosting device, a high-voltage module and a high-voltage module, wherein the fan works, the high-voltage module 5 works at the moment, the problem that the voltage inside a battery of the existing electrostatic sprayer equipment is unstable, the voltage output by the boosting device is lower than or higher than the set output voltage, the electrification capacity of fog drops is reduced, the adsorption capacity of the fog drops and the adsorption capacity of the sprayed object are weakened, pesticide fog drops which are not adsorbed by the sprayed.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The electrostatic atomizer control circuit is characterized by comprising a single-pole double-throw switch (1), a first socket (2), a relay (3), a second socket (4), a high-voltage module (5) and a diode (6); the first socket (2) is electrically connected with the single-pole double-throw switch (1), the relay (3), the second socket (4) and the diode (6) respectively, and the second socket (4) is electrically connected with the high-voltage module (5);
wherein, a power input IN V + end is electrically connected with a pin 2 of the first socket (2) and a pin 3 of the relay (3), a pin 1 of the single-pole double-throw switch (1) is electrically connected with a pin 2 of the first socket (2), a pin 1 of the first socket (2) is electrically connected with a pin 2 of the single-pole double-throw switch (1), a pin 1 of the relay (3) and one end of the diode (6), a pin 3 of the first socket (2) is electrically connected with a pin 3 of the single-pole double-throw switch (1), a pin 1 of the second socket (4) and the other end of the diode (6), a pin 2 of the second socket (4) is electrically connected with a power input IN V-end, a power output OUT V-end and a pin 2 of the relay (3), and a pin 4 of the relay (3) is electrically connected with a power input OUT V + end, the pin 1 of the second socket (4) is electrically connected with the high-voltage module (5);
the high-voltage module (5) comprises a voltage stabilizing module (501) and a boosting module (502), a power input end of the voltage stabilizing module (501) is electrically connected with the pin 1 of the second socket (4), and a power input end of the voltage stabilizing module (501) is electrically connected with a power input end of the boosting module (502);
the voltage stabilizing module (501) comprises a transient suppression diode (5011), a frequency setting resistor (5012), a voltage dividing circuit (5013), a voltage reduction conversion chip (5014), a compensation circuit (5015) and an enabling control circuit (5016); the compensation circuit (5015) includes a capacitor C4 and a resistor R6; the transient suppression diode (5011) is electrically connected with a pin 1 of the second socket (4), the buck conversion chip (5014) is electrically connected with the transient suppression diode (5011), the frequency setting resistor (5012), the voltage division circuit (5013), the compensation circuit (5015) and the enable control circuit (5016), respectively, and the transient suppression diode (5011) is electrically connected with the enable control circuit (5016);
the 1 pin of the second socket (4) is electrically connected with the transient suppression diode (5011), the capacitor C2, the resistor R1 and one end of the 7 pin of the buck conversion chip (5014), the other ends of the transient suppression diode (5011) and the capacitor C2 are electrically connected with GND, the other end of the resistor R1 is electrically connected with the 2 pin of the buck conversion chip (5014) and one end of the resistor R5, and the other end of the resistor R5 is electrically connected with GND; one end of a frequency setting resistor (5012) is electrically connected with a pin 6 of the buck conversion chip (5014), and the other end of the frequency setting resistor (5012) is electrically connected with GND; a 5 pin of the buck conversion chip (5014) is electrically connected with GND, an 8 pin of the buck conversion chip (5014) is electrically connected with one end of a capacitor C1, the other end of a capacitor C1 is electrically connected with a 1 pin of the buck conversion chip (5014), one end of a diode D2 and an energy storage inductor L1, the other end of a diode D2 is electrically connected with GND, a 3 pin of the buck conversion chip (5014) is electrically connected with one end of a capacitor C4, the other end of a capacitor C4 is electrically connected with one end of a resistor R6, the other end of a resistor R6 is electrically connected with GND, a 4 pin of the buck conversion chip (5014) is electrically connected with one ends of a resistor R3 and a resistor R7, the other end of a resistor R7 is electrically connected with GND, the other end of a resistor R3 is electrically connected with one end of a resistor R2, a load end V _12 is electrically connected with the other end of the inductor L1, the other end of the resistor R3985, one end of the capacitor C3 and the, the other end of the capacitor C3 is electrically connected to GND.
2. The electrostatic atomizer control circuit of claim 1 wherein the power input IN V + and IN V-terminals are adapted to be connected to the positive and negative poles of a battery power supply, respectively, and the power input OUT V + and OUT V-terminals are adapted to be connected to the positive and negative poles of a fan, respectively.
3. An electrostatic atomiser control circuit according to claim 1, characterised in that the high voltage module (5) is arranged to step up the voltage output by the battery to twenty thousand volts.
4. An electrostatic atomizer control circuit according to claim 1, wherein said voltage regulation module (501) is configured to stabilize the voltage output by the battery.
5. The electrostatic atomizer control circuit according to claim 1, wherein the voltage divider circuit (5013) comprises a resistor R2, a resistor R3 and a resistor R7, and the resistor R2, the resistor R3 and the resistor R7 are connected in series for feeding back the output voltage to the buck conversion chip (5014) to be compared with an internal reference value, so that the output voltage meets the set output requirement.
6. The electrostatic atomizer control circuit according to claim 1, wherein said enable control circuit (5016) comprises a resistor R1 and a resistor R5 for controlling the buck converter chip (5014) to turn on and off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021485563.1U CN212304837U (en) | 2020-07-24 | 2020-07-24 | Control circuit of electrostatic sprayer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021485563.1U CN212304837U (en) | 2020-07-24 | 2020-07-24 | Control circuit of electrostatic sprayer |
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| CN212304837U true CN212304837U (en) | 2021-01-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111711252A (en) * | 2020-07-24 | 2020-09-25 | 青岛巉山环保科技有限公司 | Control circuit of electrostatic sprayer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111711252A (en) * | 2020-07-24 | 2020-09-25 | 青岛巉山环保科技有限公司 | Control circuit of electrostatic sprayer |
| CN111711252B (en) * | 2020-07-24 | 2024-05-03 | 青岛巉山环保科技有限公司 | Electrostatic atomizer control circuit |
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