CN220252426U

CN220252426U - Atomization driving device

Info

Publication number: CN220252426U
Application number: CN202321963505.9U
Authority: CN
Inventors: 余玲; 刘佳欣; 蒲麒宇; 李金鹏; 王锦涛; 胡华阳; 刘汉卿; 马俊杰; 皮桂鸿
Original assignee: Chongqing Technology and Business Institute
Current assignee: Chongqing Technology and Business Institute
Priority date: 2023-07-24
Filing date: 2023-07-24
Publication date: 2023-12-26
Anticipated expiration: 2033-07-24

Abstract

The utility model discloses an atomization driving device which comprises a main control circuit, a driving circuit, a peak value detection circuit and an atomization sheet, wherein the driving circuit, the peak value detection circuit and the atomization sheet are electrically connected with the main control circuit, the peak value signal output end of the peak value detection circuit is electrically connected with the peak value signal input end of the main control circuit, the driving signal output end of the main control circuit is electrically connected with the driving signal input end of the driving circuit, the atomization control signal output end of the driving circuit is electrically connected with the atomization control signal input end of the atomization sheet, and the frequency signal output end of the atomization sheet is electrically connected with the frequency signal input end of the peak value detection circuit. The utility model realizes the automatic adaptation to the working frequency of the atomizing sheet by feeding back the atomizing amount through the peak value detection circuit, and can adjust the atomizing amount through the resistor, and has simple structure and convenient adjustment.

Description

Atomization driving device

Technical Field

The utility model relates to the field of atomization driving, in particular to an atomization driving device.

Background

To the sport field on hard road surfaces such as outdoor basketball court, tennis court, no matter cement road surface or rubber road surface all can appear the partial undercut after using a period, can appear ponding in the undercut on road surface behind the rain to lead to unable normal use in court, mainly utilize the water pusher to dewater at present, because this dewatering mode can't thoroughly clear away a small amount of ponding of remaining in the place of undercut, people begin to adopt the mode dewatering of atomizing dewatering.

Because the concave degree of the concave part is inconsistent on the road surface, the water accumulation amount in the concave part is different, the high frequency is adopted for water removal for some concave parts with more water accumulation amount so as to improve the water removal efficiency, and the low frequency is adopted for water removal for some concave parts with less water accumulation amount so as to reduce the overall power consumption. However, the conventional atomization water removal device is generally not adjustable in frequency or needs to be stopped for manual adjustment in the working process, so that the working efficiency is low and the reduction of power consumption is not facilitated; meanwhile, in the manual adjustment process, operators usually adjust according to experience, and cannot accurately adjust the water accumulation amount to the working frequency corresponding to the atomization water removal device, so that the water removal frequency is too high or too low, and further the water removal efficiency and the energy consumption are affected.

In addition, current atomizing water trap can't carry out timely detection to the ponding in the concave part down at the dewatering in-process, when leading to ponding to remove completely, can't stop in time for atomizing water trap idles and increases the power consumption, and need restart when removing the ponding to the concave part down after removing the ponding in the concave part down, waste time and energy.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide an atomization driving device to provide a circuit architecture for solving the problems that the working efficiency is low and the power consumption is increased due to the fact that the existing atomization dewatering device cannot perform self-adaptive adjustment of the working frequency.

In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides an atomizing drive arrangement, including main control circuit and with the drive circuit, peak value detection circuit and the atomizing piece of main control circuit electricity connection, peak value detection circuit's peak value signal output part with main control circuit's peak value signal input part electricity is connected, main control circuit's drive signal output part with drive circuit's drive signal input part electricity is connected, drive circuit's atomizing control signal output part with the atomizing control signal input part electricity of atomizing piece is connected, the frequency signal output part of atomizing piece with peak value detection circuit's frequency signal input part electricity is connected.

Further, the main control circuit comprises a switch SW1, a chip U1, a capacitor C1, a resistor R3 and a resistor R4;

the VDD pin of the chip U1 is connected with a power supply voltage through a resistor R1, and the VDD pin of the chip U1 is grounded through a capacitor C1;

the VSS pin of the chip U1 is grounded;

the WS pin of the chip U1 is grounded through the resistor R3;

the EN pin of the chip U1 is grounded through the switch SW1, and the EN pin of the chip U1 is electrically connected with the VDD pin of the chip U1 through the resistor R4;

the TEST pin of the chip U1 is electrically connected with the peak signal output end of the peak detection circuit;

the PWM pin of the chip U1 is electrically connected with the driving signal input end of the driving circuit.

Further, the driving circuit comprises a resistor R5, a resistor R6, a resistor R7, a diode D1, a MOS tube M1, a capacitor C2 and a transformer T1, one end of the resistor R5 is electrically connected with a PWM pin of the chip U1, the other end of the resistor R5 is electrically connected with a grid electrode of the MOS tube M1, the grid electrode of the MOS tube M1 is grounded through the resistor R6, a source electrode of the MOS tube M1 is grounded through the resistor R7, a source electrode of the MOS tube M1 is further connected with a drain electrode of the MOS tube M1 through the diode D1, a drain electrode of the MOS tube M1 is further electrically connected with an atomization control signal input end of an atomization sheet through the transformer T1, and one end of the capacitor C2 is electrically connected between the transformer T1 and the drain electrode of the MOS tube M1 and the other end of the capacitor C2 is grounded.

Further, the atomizing sheet has a first atomizing terminal WH1 and a second atomizing terminal WH2 which cooperate;

the first end of the primary coil of the transformer T1 is connected with the drain electrode of the MOS tube M1, the second end of the primary coil of the transformer T1 is coupled with the fourth end of the secondary coil of the transformer T1 and then is connected with a power supply voltage, and the third end and the fourth end of the secondary coil of the transformer T1 are respectively and electrically connected with the first atomization terminal WH1 and the second atomization terminal WH 2.

Further, the peak detection circuit comprises a resistor R8, a resistor R9, a resistor R10 and a resistor R11, one end of the resistor R8 is electrically connected with the frequency signal output end of the atomizing sheet, the other end of the resistor R8 is electrically connected with one end of the resistor R9, the other end of the resistor R9 is grounded through the resistor R10, the resistor R11 is connected with the resistor R10 in parallel, and a TEST pin of the chip U1 is connected between the resistor R9 and the resistor R10 and/or the resistor R11.

Further, the resistor R10 and/or the resistor R11 is a variable resistor or a constant resistor.

Further, the atomization driving device further comprises a water detection module electrically connected with the main control circuit, and a water level signal output end of the water detection module is electrically connected with a water level signal input end of the main control circuit.

Further, the water detection module is a water level sensor, a first end of the water level sensor is electrically connected with the WD pin of the chip U1, a second end of the water level sensor is used for sensing the water level, and a third end of the water level sensor is grounded.

Further, the atomization driving device further comprises an indication circuit electrically connected with the main control circuit, and an indication signal input end of the indication circuit is electrically connected with an indication signal output end of the main control circuit.

Further, the indication circuit comprises a Light Emitting Diode (LED) and a resistor (R2), an LED pin of the chip (U1) is electrically connected with a negative end of the LED through the resistor (R2), and a positive end of the LED is connected with a VDD pin of the chip (U1).

The atomization driving device has at least the following beneficial effects: according to the utility model, the chip is arranged to receive the atomization quantity fed back by the atomization piece to automatically adapt to the working frequency of the atomization piece, and the atomization quantity is changed by adjusting the partial pressure of the corresponding resistor in the peak detection circuit, so that the atomization piece can adaptively adjust the working frequency according to the water volume, thereby adapting to the water removal of water with different water volumes, improving the water removal efficiency and reducing the water removal power consumption. In addition, the utility model also provides a water detection module for detecting whether the external environment has water to control the automatic work of the atomizing sheet when the water exists and the automatic stop when the water does not exist, thereby ensuring thorough water removal and realizing anhydrous protection.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

fig. 1 is a circuit diagram of an embodiment of an atomization driving device of the present utility model.

Detailed Description

Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be noted that the illustrations provided in the following embodiments merely illustrate the basic idea of the present utility model by way of illustration, and the following embodiments and features in the embodiments may be combined with each other without conflict.

Referring to fig. 1, the atomization driving device of the present utility model includes a main control circuit 1, a driving circuit 2 electrically connected to the main control circuit 1, a peak detection circuit 3, and an atomization sheet 4. The peak signal output end of the peak detection circuit 3 is electrically connected with the peak signal input end of the main control circuit 1, the peak detection circuit 3 is used for detecting the real-time working frequency of the atomizing sheet 4, and the main control circuit 1 receives the real-time working frequency of the atomizing sheet 4; the driving signal output end of the main control circuit 1 is electrically connected with the driving signal input end of the driving circuit 2, and the driving circuit 2 is used for driving the atomizing sheet 4 to work according to the real-time working frequency received by the main control circuit 1; the atomizing control signal output end of the driving circuit 2 is electrically connected with the atomizing control signal input end of the atomizing sheet 4, the frequency signal output end of the atomizing sheet 4 is electrically connected with the frequency signal input end of the peak detection circuit 3, the atomizing sheet 4 is used for vibrating under the driving of the driving circuit 2 so as to realize water removal, and meanwhile, the atomizing sheet 4 can feed back the current working frequency to the peak detection circuit 3 in real time in the water removal process so as to carry out self-adaptive adjustment of the working frequency.

The main control circuit 1 can provide an oscillation signal for the operation of the atomizing sheet 4; the main control circuit 1 comprises a switch SW1, a chip U1, a capacitor C1, a resistor R3 and a resistor R4; in this embodiment, the chip U1 is implemented as an atomization chip, and the model of the chip U1 is preferably HK9002F08K1S8. The VDD pin of the chip U1 (i.e., the positive power input pin VDD of the chip U1) is connected to a power supply voltage through a resistor R1 to supply power to the chip U1; the power supply voltage is 4.5-5V, and in this embodiment, the power supply voltage is preferably 5V according to the model of the chip U1. The positive power input pin VDD of the chip U1 is also grounded through a capacitor C1, where the capacitor C1 is used for filtering. The VSS pin of the die U1 (i.e., the negative power input pin VSS of the die U1) is grounded. And a WS pin of the chip U1 is grounded through the resistor R3. The EN pin of the chip U1 is used as an atomization starting control pin, the atomization starting control pin is grounded through the switch SW1, the EN pin of the chip U1 is electrically connected with the positive power input pin VDD of the chip U1 through the resistor R4, when the switch SW1 is disconnected, the EN pin of the chip U1 detects a high level to enable the chip U1 and peripheral circuits to be kept closed, and when the switch SW1 is pressed down, the EN pin of the chip U1 detects a low level and triggers the whole circuit to start working. The TEST pin of the chip U1 is used as a mist quantity feedback pin (i.e. the peak signal input end of the main control circuit 1) and is electrically connected with the peak signal output end of the peak detection circuit 3, so as to receive the real-time working frequency detected by the peak detection circuit 3. The PWM pin of the chip U1 is electrically connected to the driving signal input end of the driving circuit 2 as an atomization driving signal output pin (i.e., a driving signal output end of the main control circuit 1) so as to transmit the corresponding working frequency to the driving circuit 2 in a pulse form.

The driving circuit 2 drives the atomizing sheet 4 to work after receiving the oscillation signal of the main control circuit 1, and the driving circuit 2 comprises a resistor R5, a resistor R6, a resistor R7, a diode D1, a MOS tube M1, a capacitor C2 and a transformer T1. One end of the resistor R5 is used as a driving signal input end of the driving circuit 2 to be electrically connected with a PWM pin of the chip U1, the other end of the resistor R5 is electrically connected with a grid electrode of the MOS tube M1, the grid electrode of the MOS tube M1 is grounded through the resistor R6, a source electrode of the MOS tube M1 is grounded through the resistor R7, the source electrode of the MOS tube M1 is also connected with a drain electrode of the MOS tube M1 through the diode D1, specifically, a positive end of the diode D1 is connected with the source electrode of the MOS tube, and a negative end of the diode D1 is connected with a drain electrode of the MOS tube; the MOS tube is used for being turned on or off under the drive of a drive signal output by the chip U1 so as to drive the atomizing sheet 4 to work in time, and the operating frequency of the atomizing sheet 4 can be adjusted by adjusting the pressure drop on the MOS tube. The drain electrode of the MOS tube M1 is electrically connected with the atomization control signal input end of the atomization sheet 4 through the transformer T1, one end of the capacitor C2 is electrically connected between the transformer T1 and the drain electrode of the MOS tube M1, the other end of the capacitor C2 is grounded, and the capacitor C2 is used for filtering. In this embodiment, the MOS transistor is preferably implemented using an NMOS transistor.

The first end of the primary coil of the transformer T1 is connected with the drain electrode of the MOS tube M1, the second end of the primary coil of the transformer T1 is coupled with the fourth end of the secondary coil of the transformer T1 and then is connected with a 5V power supply voltage, and the third end and the fourth end of the secondary coil of the transformer T1 are used as atomizing control signal output ends of the driving circuit 2 and are electrically connected with atomizing control signal input ends of the atomizing sheet 4 so as to transform the voltage and then input the voltage into the atomizing sheet 4 and further drive the atomizing sheet 4 to vibrate.

The peak detection circuit 3 is used for feeding back the atomization amount so that the main control circuit 1 can adapt to the working frequency of the main control circuit and adjust the atomization amount; the peak detection circuit 3 includes a resistor R8, a resistor R9, a resistor R10, and a resistor R11. One end of the resistor R8 is used as a frequency signal input end of the peak detection circuit 3 and is electrically connected with a frequency signal output end of the atomizing sheet 4, the other end of the resistor R8 is electrically connected with one end of the resistor R9, the other end of the resistor R9 is grounded through a resistor R10, the resistor R11 is connected with the resistor R10 in parallel, a TEST pin of the chip U1 is connected between the resistor R9 and the resistor R10 and/or the resistor R11, and a peak signal output end of the peak detection circuit 3 is formed between the resistor R9 and the resistor R10 and/or the resistor R11. The resistors R10 and R11 are used for voltage division, and in this embodiment, the resistor R10 is a variable resistor, and it should be understood that the resistor R10 and the resistor R11 are not limited to one resistor design, and the resistor R10 and/or the resistor R11 may be a variable resistor or a constant resistor, and of course, a variable resistor may be used instead of the resistor R10 and the resistor R11 to adjust the atomization amount of the atomization sheet 4 by adjusting the resistance values of the resistor R10 and the resistor R11.

The atomizing piece 4 has first atomizing terminal WH1 and second atomizing terminal WH2 of collaborative work, first atomizing terminal WH1 and second atomizing terminal WH2 are connected as atomizing control signal input end and transformer T1's secondary coil's third end and fourth end electricity jointly as atomizing piece 4 to receive drive signal and work in good time. In this embodiment, the atomizing sheet 4 may be implemented by using the prior art, for example, an atomizing sheet 4 with a frequency of 150KHZ, which can generate high-frequency oscillation of 1.7Mhz during operation, so as to break up the liquid water molecule structure and generate natural and elegant water mist.

In order to ensure thorough water removal, as a preferred mode of the present embodiment, a water detection module 5 electrically connected to the main control circuit 1 is further provided, a water level signal output end of the water detection module 5 is electrically connected to a water level signal input end of the main control circuit 1, and the detection module is used for sensing a water level, so as to control the atomizing sheet 4 to stop when no water exists or control the atomizing sheet 4 to automatically work when water exists through the main control circuit 1.

In this embodiment, the water detection module 5 is a water level sensor, a first end of the water level sensor is a water level signal output end, and is electrically connected with a water level signal input end (i.e. a WD pin of the chip U1) of the main control circuit 1, a second end of the water level sensor is used for sensing a water level, and a third end of the water level sensor is grounded. The water level sensor is an existing module and can monitor and measure the water level, mainly utilizes the current amplification principle of a triode, when the base electrode of the triode is conducted with the positive electrode of a power supply by the liquid level, a certain amount of current is generated between the base electrode and the emitting electrode of the triode, at the moment, a certain amplification factor of current is generated between the collector electrode and the emitting electrode of the triode, and the current generates characteristic voltage through the resistor of the emitting electrode and is collected by the AD converter; when the water level sensor detects no water, the working current is automatically reduced, and when the water level sensor detects water, the signal output pin PWM of the chip U1 outputs PWM signals, so that atomization is automatically recovered.

In order to facilitate judging whether the circuit works, as a preferred mode of the embodiment, an indication circuit 6 electrically connected with the main control circuit 1 is further provided, and an indication signal input end of the indication circuit 6 is electrically connected with an indication signal output end of the main control circuit 1 to indicate whether the main control circuit 1 works normally. The indication circuit 6 comprises a light emitting diode LED and a resistor R2, the indication signal input end is formed at the positive end of the light emitting diode LED, the positive end of the light emitting diode LED is electrically connected with the indication signal output end of the main control circuit 1 (namely, the VDD pin of the chip U1), and the LED pin of the chip U1 is electrically connected with the negative end of the light emitting diode LED through the resistor R2; when the main control circuit 1 works, the light emitting diode LED flashes or is normally bright; when the main control circuit 1 does not work, the light emitting diode LED is in an off state.

The working principle of the utility model is as follows:

when the atomization driving device is used for removing accumulated water on hard pavements such as outdoor basketball courts and tennis courts, 5V power supply voltage is connected, the power supply voltage is divided by a resistor R1 and then is sent to a positive power input pin VDD of a chip U1 to enable the chip U1 to work, a switch SW1 connected with an atomization starting control pin EN of the chip is pressed down, the chip U1 starts to work, at the moment, a second end of a water level sensor detects whether water exists outside, and a first end of the water level sensor inputs a water level signal to the chip U1 from a WD pin of the chip U1; when water exists, the chip U1 outputs a driving signal to the driving circuit 2 through the PWM pin, the driving signal is filtered by the capacitor C2 after passing through the MOS tube M1, and forms an atomization control signal after being boosted by the transformer T1 and is input to the first atomization terminal WH1 and the second atomization terminal WH2, meanwhile, a voltage of 5V is provided for the second atomization terminal WH2, the atomization sheet 4 works to generate high-frequency oscillation of 1.7Mhz, and the liquid water molecule structure can be scattered to generate natural elegant water mist; if the resistance value of the variable resistor R10 is increased, the atomization amount becomes smaller, otherwise, the atomization amount becomes larger; the atomization amount is fed back to a TEST pin of the chip U1 through a peak signal, and the frequency of a PWM pin output signal is adjusted in the chip U1 according to the peak signal; when thoroughly dewatering, the second end of the water level sensor detects no water, the first end of the water level sensor inputs a water level signal from the WD pin of the chip U1 to the chip U1, and the working current is automatically reduced in the chip U1, so that the whole atomization driving device stops working or stands by with lower power consumption until the second end of the water level sensor detects water, and then the water level sensor is automatically started again to remove water.

The atomization driving device has the following beneficial effects: the atomization quantity fed back is received through a TEST pin of the chip U1 to automatically adapt to the working frequency of the atomization piece, and the atomization quantity is changed by adjusting the partial pressure of a corresponding resistor R10 and a resistor R11 in the peak detection circuit, so that the atomization piece can adaptively adjust the working frequency of the atomization piece according to the water volume, thereby adapting to the water removal of water with different water volumes, improving the water removal efficiency and reducing the water removal power consumption; meanwhile, a water detection module is further arranged, whether water exists in the external environment or not is detected through a water level sensor, so that the atomization sheet is controlled to automatically work when water exists and automatically stop when water does not exist, thorough water removal is ensured, water-free protection is realized, and the circuit structure is relatively simple and convenient to adjust.

The foregoing examples only represent preferred embodiments of the present utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims. The protection gist of the utility model is not a program, but the whole structure and circuit architecture of the whole atomization driving device are not related to a computer program.

Claims

1. The utility model provides an atomizing drive arrangement, its characterized in that includes main control circuit and with the drive circuit, peak detection circuit and the atomizing piece of main control circuit electricity connection, peak detection circuit's peak signal output with main control circuit's peak signal input part electricity is connected, main control circuit's drive signal output with drive circuit's drive signal input part electricity is connected, drive circuit's atomizing control signal output with the atomizing control signal input part electricity of atomizing piece is connected, the frequency signal output of atomizing piece with peak detection circuit's frequency signal input part electricity is connected.

2. The atomizing drive according to claim 1, wherein the main control circuit includes a switch SW1, a chip U1, a capacitor C1, a resistor R3, and a resistor R4;

the VSS pin of the chip U1 is grounded;

the WS pin of the chip U1 is grounded through the resistor R3;

3. The atomizing driving device according to claim 2, wherein the driving circuit comprises a resistor R5, a resistor R6, a resistor R7, a diode D1, a MOS tube M1, a capacitor C2 and a transformer T1, one end of the resistor R5 is electrically connected with the PWM pin of the chip U1, the other end of the resistor R5 is electrically connected with the gate of the MOS tube M1, the gate of the MOS tube M1 is grounded through the resistor R6, the source of the MOS tube M1 is grounded through the resistor R7, the source of the MOS tube M1 is further connected with the drain of the MOS tube M1 through the diode D1, the drain of the MOS tube M1 is further electrically connected with the atomizing control signal input end of the atomizing sheet through the transformer T1, and one end of the capacitor C2 is electrically connected between the transformer T1 and the drain of the MOS tube M1 and the other end is grounded.

4. A atomising driving device as claimed in claim 3, characterised in that the atomising tab has first and second atomising terminals WH1 and WH2 which co-operate;

5. The atomizing driving device according to claim 2, wherein the peak detection circuit comprises a resistor R8, a resistor R9, a resistor R10 and a resistor R11, one end of the resistor R8 is electrically connected with the frequency signal output end of the atomizing sheet, the other end of the resistor R8 is electrically connected with one end of the resistor R9, the other end of the resistor R9 is grounded through the resistor R10, the resistor R11 is connected in parallel with the resistor R10, and the TEST pin of the chip U1 is connected between the resistor R9 and the resistor R10 and/or the resistor R11.

6. The atomizing drive according to claim 5, wherein the resistor R10 and/or the resistor R11 is a variable resistor or a constant resistor.

7. The atomizing drive according to any one of claims 2 to 6, further comprising a water detection module electrically connected to the main control circuit, wherein a water level signal output of the water detection module is electrically connected to a water level signal input of the main control circuit.

8. The atomizing drive according to claim 7, wherein the water detection module is a water level sensor, a first end of the water level sensor is electrically connected to the WD pin of the chip U1, a second end of the water level sensor senses a water level, and a third end of the water level sensor is grounded.

9. The atomizing drive according to any one of claims 2 to 6, further comprising an indication circuit electrically connected to the main control circuit, an indication signal input of the indication circuit being electrically connected to an indication signal output of the main control circuit.

10. The atomizing drive according to claim 9, wherein the indication circuit comprises a light emitting diode LED and a resistor R2, wherein an LED pin of the chip U1 is electrically connected to a negative terminal of the light emitting diode LED through the resistor R2, and a positive terminal of the light emitting diode LED is connected to a VDD pin of the chip U1.