CN216814461U - Humidifier atomization driving circuit - Google Patents
Humidifier atomization driving circuit Download PDFInfo
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- CN216814461U CN216814461U CN202220282302.2U CN202220282302U CN216814461U CN 216814461 U CN216814461 U CN 216814461U CN 202220282302 U CN202220282302 U CN 202220282302U CN 216814461 U CN216814461 U CN 216814461U
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Abstract
The utility model discloses a humidifier atomization driving circuit, which relates to the technical field of atomization driving and comprises the following components: the device comprises a humidity detection module, a key control module, a sampling module, a main control module, a driving protection module, a display module and an oscillator module; the humidity detection module detects environment humidity, the button control module performs function selection, the sampling module detects voltage and current of the driving module, the main control module controls module work, the driving module improves driving capability and drives the oscillator module to work, the driving protection module inhibits overvoltage, and the oscillator module enables test solution to be atomized. The humidifier atomization driving circuit disclosed by the utility model adopts the key control module to select functions, and the main control module intelligently adjusts and outputs a pulse modulation signal according to the environment humidity condition detected by the humidity detection module, so that the working power of the intelligent adjustment oscillator module of the driving module is controlled, and the driving protection module is provided for avoiding overvoltage.
Description
Technical Field
The utility model relates to the technical field of atomization driving, in particular to an atomization driving circuit of a humidifier.
Background
Along with the progress of social science and technology, the appearance of intelligent science and technology product is constantly improving quality of life at people, the atomizer is as the main part of humidifier, carry out atomization treatment with the test solution through the vibration, make air humidity reach human comfortable scope, the demand of present market to the humidifier is increasing day by day, traditional humidifier atomization drive control means is single, can't follow user's wish and carry out the regulation and control of following at will, also can't be through detecting the atomizing degree of air humidity intelligent control, can't satisfy user's demand, and traditional humidifier is because control is accurate not to lead to the easy trouble of humidifier, consequently, remain to improve.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an atomization driving circuit of a humidifier, which is used for solving the problems in the background technology.
According to an embodiment of the present invention, there is provided a humidifier atomization driving circuit, including: the device comprises a humidity detection module, a key control module, a sampling module, a main control module, a driving protection module, a display module and an oscillator module;
the humidity detection module is connected with the main control module and used for detecting the humidity condition in the environment and outputting a humidity signal;
the key control module is connected with the main control module and used for manually adjusting, automatically adjusting and selecting a specific frequency adjusting function through keys and outputting a control instruction;
the sampling module is connected with the driving module and used for detecting the voltage change and the current change of the driving module and outputting a voltage signal and a current signal;
the main control module is used for receiving the humidity signal, the control instruction, the voltage signal and the current signal, regulating and outputting a pulse modulation signal, and outputting data information and controlling the work of each module;
the driving module is connected with the main control module, is used for receiving the pulse modulation signal and improving the driving capability of the pulse modulation signal, and is used for driving the closed-circuit adjustment oscillator module of the power tube to work;
the drive protection module is connected with the drive module and used for absorbing the input voltage of the drive module and preventing the influence of overvoltage on the drive module;
the display module is connected with the main control module and used for receiving the data information and displaying the data information through a display device;
and the oscillator module is connected with the driving module and used for atomizing the test solution in a vibration mode.
Compared with the prior art, the utility model has the beneficial effects that: the humidifier atomization driving circuit adopts the key control module to perform manual adjustment function, the automatic adjustment function and the specific frequency adjustment function are selected, the control can be performed according to the will of a user, under the automatic adjustment, the humidifier detects the environment humidity condition according to the humidity detection module, the main control module adjusts and outputs a pulse modulation signal through a set humidity threshold value, then the driving module is controlled to intelligently adjust the working power of the oscillator module, the driving protection module is adopted to absorb the overvoltage of the driving module, the atomization driving module of the humidifier is protected to work, and the safety and the intelligence of the humidifier are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic block diagram of a humidifier atomization driving circuit according to an embodiment of the present invention.
Fig. 2 is a circuit diagram of a humidity detection module and a key control module according to an embodiment of the present invention.
Fig. 3 is a connection circuit diagram of a driving module, a driving protection module and a sampling module according to an embodiment of the present invention.
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.
Example 1: referring to fig. 1, an embodiment of the present invention provides a humidifier atomization driving circuit, including: the device comprises a humidity detection module 1, a key control module 2, a sampling module 3, a main control module 4, a driving module 5, a driving protection module 6, a display module 7 and an oscillator module 8;
specifically, the humidity detection module 1 is connected to the main control module 4, and is configured to detect a humidity condition in an environment and output a humidity signal;
the key control module 2 is connected with the main control module 4 and used for manually adjusting, automatically adjusting and selecting a specific frequency adjusting function through keys and outputting a control instruction;
the sampling module 3 is connected with the driving module 5 and used for detecting the voltage change and the current change of the driving module 5 and outputting a voltage signal and a current signal;
the main control module 4 is used for receiving the humidity signal, the control instruction, the voltage signal and the current signal, regulating and outputting a pulse modulation signal, outputting data information and controlling the work of each module;
the driving module 5 is connected with the main control module 4, is used for receiving the pulse modulation signal and improving the driving capability of the pulse modulation signal, and is used for driving the closed-circuit regulating oscillator module 8 of the power tube to work;
the driving protection module 6 is connected with the driving module 5 and used for absorbing the input voltage of the driving module 5 and preventing the influence of overvoltage on the driving module 5;
the display module 7 is connected with the main control module 4 and is used for receiving the data information and displaying the data information through a display device;
and the oscillator module 8 is connected with the driving module 5 and is used for atomizing the test solution in a vibration mode.
In a specific embodiment, the humidity detection module 1 may employ a humidity sensor HS circuit to detect a humidity condition in an environment; the key control module 2 can adopt a key switch to input a control instruction to the main control module 4; the sampling module 3 can adopt a resistance voltage-dividing circuit and a sampling resistor to respectively acquire a voltage signal and a current signal when the driving module 5 works; the main control module 4 can adopt, but is not limited to, microcontrollers such as a single chip microcomputer and a Micro Control Unit (MCU) to realize data processing, output of pulse modulation signals, output of data information and control of the module; the driving module 5 can adopt a push-pull circuit to improve the driving capability of the pulse modulation signal, and adopts a power tube to regulate the voltage; the driving protection module 6 can adopt an RCD absorption circuit to protect the work of the power switch; the display module 7 can adopt, but is not limited to, a touch display screen, a liquid crystal display screen, and other display devices to display data information; the oscillator module 8 may adopt an oscillator J1 required for atomization of the humidifier, and is not particularly limited.
Example 2: based on embodiment 1, referring to fig. 2 and fig. 3, in an embodiment of the humidifier atomization driving circuit according to the present invention, as shown in fig. 2, the humidity detection module 1 includes a first resistor R1, a second resistor R2, a third resistor R3, a humidity sensor HS, a fourth resistor R4, a first power VCC1, and a timer U2; the main control module 4 comprises a first controller U1;
specifically, the sixth end and the second end of the timer U2 are both connected to one end of the humidity sensor HS and are connected to one end of the third resistor R3 and the seventh end of the timer U2 through the second resistor R2, the fifth end of the timer U2 is connected to the ground end and the first end of the timer U2 through the first resistor R1, the eighth end and the fourth end of the timer U2 are both connected to the other end of the third resistor R3 and the first power VCC1, and the third end of the timer U2 is connected to the first IO end of the first controller U1 through the fourth resistor R4.
Further, the key control module 2 includes a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, a second power source VCC2, a first key switch K1, a second key switch K2, and a third key switch K3;
specifically, the one end of fifth resistor R5 and the one end of first key switch K1 are all connected the second IO end of first controller U1, and the one end of sixth resistor R6 and the one end of second key switch K2 are all connected the third IO end of first controller U1, and the one end of seventh resistor R7 and the one end of third key switch K3 are all connected the fourth IO end of first controller U1, and the other end of fifth resistor R5, the other end of sixth resistor R6 and the other end of seventh resistor R7 are all connected second power supply VCC2, and the other end of first key switch K1, the other end of second key switch K2 and the other end of third key switch K3 are all grounded.
In a specific embodiment, the humidity sensor HS can be an HS11XX series humidity sensor HS, and a specific model is not limited; the timer U2 can be selected by TLC555, wherein the humidity signal is converted into a frequency signal for the first controller U1 to receive; the first controller U1 can be selected from an STC89C352 single chip microcomputer; the above-mentioned first key switch K1, second key switch K2 and third key switch K3 represent a manual adjustment function, an automatic adjustment function and a specific frequency adjustment function, respectively.
Further, as shown in fig. 3, the sampling module 3 includes a sixth capacitor C6, a seventeenth resistor R17, a fifth capacitor C5, a sixteenth resistor R16, and a fifteenth resistor R15;
specifically, one end of the sixth capacitor C6 and one end of the seventeenth resistor R17 are both connected to the fifth IO end of the first controller U1, the other end of the sixth capacitor C6, one end of the fifth capacitor C5 and one end of the sixteenth resistor R16 are all grounded, and the other end of the seventeenth resistor R17 is connected to the other end of the fifth capacitor C5, the other end of the sixteenth resistor R16 and the first end of the fifteenth resistor R15.
Further, the sampling module 3 further includes a first capacitor C1, an eleventh resistor R11, a twelfth resistor R12, and a thirteenth resistor R13;
specifically, a first end of the thirteenth resistor R13 is connected to one end of the twelfth resistor R12 and one end of the eleventh resistor R11, a second end of the thirteenth resistor R13 and the other end of the twelfth resistor R12 are both grounded, the other end of the eleventh resistor R11 is connected to the first end of the first capacitor C1 and the seventh IO end of the first controller U1, and the second end of the first capacitor C1 is grounded.
Further, the driving module 5 includes an eighth resistor R8, a ninth resistor R9, a first switch tube N1, a second switch tube N2, a tenth resistor R10, a first diode D1, a first power tube M1, a first inductor L1, a third power source VCC3, and a fourth power source VCC 4; the oscillator module 8 comprises an oscillator J1, a third capacitor C3 and a fourth capacitor C4;
specifically, one end of the eighth resistor R8 and one end of the ninth resistor R9 are connected to the sixth IO end of the first controller U1, the other end of the eighth resistor R8 is connected to the base of the first switch N1 and the base of the second switch N2, the collector of the first switch N1 is connected to the fourth power source VCC4, the emitter of the first switch N1 is connected to the emitter of the second switch N2, the cathode of the first diode D1 and one end of the tenth resistor R10, the anode of the first diode D1 and the other end of the tenth resistor R10 are both connected to the gate of the first power transistor M1, the drain of the first power transistor M1 is connected to the first end of the first inductor L1, one end of the third capacitor C3 and the second end of the fifteenth resistor R15, the second end of the first inductor L1 is connected to the third power source VCC, the source of the first power transistor M468 is connected to the collector of the first switch J4972 of the first switch J4975 and the collector of the second switch N2, the other end of the third capacitor C3 is connected to one end of the fourth capacitor C4 and the other end of the oscillator J1, and the other end of the fourth capacitor C4 is grounded.
Further, the driving protection module 6 includes a fourteenth resistor R14, a second capacitor C2, and a second diode D2;
specifically, one end of the fourteenth resistor R14 and one end of the second capacitor C2 are both connected to the second end of the first inductor L1, the other end of the fourteenth resistor R14 and the other end of the second capacitor C2 are connected to the cathode of the second diode D2, and the anode of the second diode D2 is connected to the first end of the first inductor L1.
In a specific embodiment, the sixth capacitor C6, the seventeenth resistor R17, the fifth capacitor C5, the sixteenth resistor R16 and the fifteenth resistor R15 form a voltage sampling circuit, so as to realize frequency following of the operation of the driving module 5; the first capacitor C1, the eleventh resistor R11, the twelfth resistor R12 and the thirteenth resistor R13 form a current sampling circuit, so as to implement current detection on the operation of the driving module 5; the eighth resistor R8, the ninth resistor R9, the first switch tube N1, the second switch tube N2 and the fourth power source VCC4 form a push-pull circuit, the first switch tube N1 may be an NPN-type triode, the second switch tube N2 may be a PNP-type triode, and the driving capability of the pulse modulation signal is improved by using the amplified current of the triode; the first power transistor M1 may be an N-channel enhancement type Metal Oxide Semiconductor Field Effect Transistor (MOSFET); the fourteenth resistor R14, the second capacitor C2 and the second diode D2 form an RCD snubber circuit, which can suppress overvoltage during operation of the driving module 5.
The utility model has a humidifier atomization driving circuit which controls the manual regulation function, the automatic regulation function and the specific frequency regulation function of the humidifier atomization through a key control module 2, the manual regulation function can be controlled in a grading way through controlling a unified key switch, the specific frequency regulation controls the humidifier to carry out atomization work under specific working power, when the automatic regulation function is carried out, the humidity detection module 1 detects the humidity condition of the environment, the main control module 4 processes the humidity signal and compares the humidity signal with a threshold value, then an adjustable pulse modulation signal is output, the pulse modulation signal is amplified through a first switch tube N1 and a second switch tube N2 in the driving module 5 and drives the conduction degree of a first power tube M1, thereby controlling the voltage condition of a first inductor L1, a fourteenth resistor R14, a second capacitor C2 and a second diode D2 form an RCD absorption circuit to inhibit the overvoltage when the driving module 5 works, and the boosted voltage is coupled to one end of the oscillator J1 through the third capacitor C3, so as to control the atomization of the test solution, when the driving module 5 works, the sampling module 3 samples the working voltage and current respectively, the main control module 4 receives and judges the working state of the driving module 5, and the display module 7 can display the humidity information received by the main control module 4, the working power of the oscillator J1, the working time and other information.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A humidifier atomization driving circuit is characterized by comprising: the device comprises a humidity detection module, a key control module, a sampling module, a main control module, a driving protection module, a display module and an oscillator module;
the humidity detection module is connected with the main control module and used for detecting the humidity condition in the environment and outputting a humidity signal;
the key control module is connected with the main control module and used for manually adjusting, automatically adjusting and selecting a specific frequency adjusting function through keys and outputting a control instruction;
the sampling module is connected with the driving module and used for detecting the voltage change and the current change of the driving module and outputting a voltage signal and a current signal;
the main control module is used for receiving the humidity signal, the control instruction, the voltage signal and the current signal, regulating and outputting a pulse modulation signal, and outputting data information and controlling the work of each module;
the driving module is connected with the main control module, is used for receiving the pulse modulation signal and improving the driving capability of the pulse modulation signal, and is used for driving the closed-circuit adjustment oscillator module of the power tube to work;
the drive protection module is connected with the drive module and used for absorbing the input voltage of the drive module and preventing the influence of overvoltage on the drive module;
the display module is connected with the main control module and used for receiving the data information and displaying the data information through a display device;
the oscillator module is connected with the driving module and used for atomizing the test solution in a vibration mode.
2. The humidifier atomization driving circuit according to claim 1, wherein the humidity detection module comprises a first resistor, a second resistor, a third resistor, a humidity sensor, a fourth resistor, a first power supply and a timer; the main control module comprises a first controller;
the sixth end and the second end of timer all connect humidity transducer's one end and pass through the seventh end of second resistance connection third resistance, the fifth end of timer passes through the first end of first resistance connection ground and timer, the eighth end and the fourth end of timer all connect the other end and the first power of third resistance, the third end of timer passes through the first IO end of fourth resistance connection first controller.
3. The humidifier atomization driving circuit according to claim 2, wherein the key control module comprises a fifth resistor, a sixth resistor, a seventh resistor, a second power supply, a first key switch, a second key switch and a third key switch;
the one end of fifth resistance and the one end of first key switch all are connected the second IO end of first controller, and the one end of sixth resistance and the one end of second key switch all are connected the third IO end of first controller, and the one end of seventh resistance and the one end of third key switch all are connected the fourth IO end of first controller, the second power is all connected to the other end of fifth resistance, the other end of sixth resistance and the other end of seventh resistance, and the other end of first key switch, the other end of second key switch and the other end of third key switch all ground connection.
4. The humidifier atomization driving circuit according to claim 2, wherein the sampling module comprises a sixth capacitor, a seventeenth resistor, a fifth capacitor, a sixteenth resistor and a fifteenth resistor;
one end of the sixth capacitor and one end of the seventeenth resistor are connected with the fifth IO end of the first controller, the other end of the sixth capacitor, one end of the fifth capacitor and one end of the sixteenth resistor are grounded, and the other end of the seventeenth resistor is connected with the other end of the fifth capacitor, the other end of the sixteenth resistor and the first end of the fifteenth resistor.
5. The humidifier atomization driving circuit according to claim 4, wherein the sampling module further comprises a first capacitor, an eleventh resistor, a twelfth resistor and a thirteenth resistor;
the first end of the thirteenth resistor is connected with one end of the twelfth resistor and one end of the eleventh resistor, the second end of the thirteenth resistor and the other end of the twelfth resistor are both grounded, the other end of the eleventh resistor is connected with the first end of the first capacitor and the seventh IO end of the first controller, and the second end of the first capacitor is grounded.
6. The humidifier atomization driving circuit according to claim 5, wherein the driving module comprises an eighth resistor, a ninth resistor, a first switch tube, a second switch tube, a tenth resistor, a first diode, a first power tube, a first inductor, a third power source, and a fourth power source; the oscillator module comprises an oscillator, a third capacitor and a fourth capacitor;
one end of the eighth resistor and one end of the ninth resistor are connected with the sixth IO end of the first controller, the other end of the eighth resistor is connected with the base of the first switch tube and the base of the second switch tube, the collector of the first switch tube is connected with the fourth power supply, the emitter of the first switch tube is connected with the emitter of the second switch tube, the cathode of the first diode and one end of the tenth resistor, the anode of the first diode and the other end of the tenth resistor are both connected with the grid of the first power tube, the drain of the first power tube is connected with the first end of the first inductor, one end of the third capacitor and the second end of the fifteenth resistor, the second end of the first inductor is connected with the third power supply, the source of the first power tube is connected with the first end of the thirteenth resistor and one end of the oscillator, the collector of the second switch tube is grounded, the other end of the third capacitor is connected with one end of the fourth capacitor and the other end of the oscillator, the other end of the fourth capacitor is grounded.
7. The humidifier atomization driving circuit according to claim 6, wherein the driving protection module comprises a fourteenth resistor, a second capacitor and a second diode;
one end of the fourteenth resistor and one end of the second capacitor are both connected to the second end of the first inductor, the other end of the fourteenth resistor and the other end of the second capacitor are connected to the cathode of the second diode, and the anode of the second diode is connected to the first end of the first inductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220282302.2U CN216814461U (en) | 2022-02-11 | 2022-02-11 | Humidifier atomization driving circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220282302.2U CN216814461U (en) | 2022-02-11 | 2022-02-11 | Humidifier atomization driving circuit |
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| Publication Number | Publication Date |
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| CN216814461U true CN216814461U (en) | 2022-06-24 |
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| CN202220282302.2U Active CN216814461U (en) | 2022-02-11 | 2022-02-11 | Humidifier atomization driving circuit |
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Address after: B610, Zhongdi building, industry university research base, China University of Geosciences, No.8, Yuexing Third Road, South District, high tech Zone, Nanshan District, Shenzhen, Guangdong 518000 Patentee after: Shenzhen Saiyuan Microelectronics Co.,Ltd. Address before: 518063 b610, Zhongdi building, industry university research base, China University of Geosciences, No. 8, Yuexing Third Road, South District, high tech Zone, Nanshan District, Shenzhen, Guangdong Province Patentee before: SHENZHEN SINONE CHIP ELECTRONIC Co.,Ltd. |