Atomizer

Abstract

The embodiment of the present invention relates to the field of atomization devices, and discloses an atomizer. The atomizer includes a housing, a first atomization generating assembly, a liquid storage tank, and a main control circuit. The first atomization generating assembly includes a first atomizing element and a first cavity. The first atomizing element is arranged in the first cavity, and the first cavity is arranged on one side of the housing. The liquid storage tank is divided into a first liquid storage tank and a second liquid storage tank by a partition. The liquid storage tank can rotate relative to the first atomization generating assembly. The first liquid storage tank or the second liquid storage tank can supply liquid to the first atomizing element. The main control circuit is connected to the atomizing element, and the vibration of the first atomizing element can be controlled to atomize the liquid. Therefore, it can be convenient for different users to use.

Description

Technical Field

[0001] The present invention relates to the technical field of atomizing devices, in particular to an atomizer. Background Art

[0002] A nebulizer is a device that uses high-frequency oscillation to convert liquid into droplets. Currently, nebulizers are used in various fields such as medical treatment, hydration, and electronic cigarettes. For example, a medical nebulizer can convert liquid medicine into fine droplets, which can be delivered to the deep respiratory tract by patients through inhalation. Since the drug has a direct effect on the target tissue, it is more effective than traditional treatment methods. In addition, by controlling the spray volume and spray rate, this treatment method can be applied to patients of all ages.

[0003] Traditional nebulizers are generally only equipped with one liquid storage tank, which supplies liquid to a single-head atomization channel. Therefore, this type of nebulizer can only atomize a single drug liquid. However, different patients require different drug liquids, and it takes time to load different drug liquids as well as clean and disinfect them. Therefore, traditional nebulizers have the disadvantages of being inconvenient for different users to use or delaying treatment. Summary of the invention

[0004] The embodiment of the present invention provides a nebulizer, which can improve the technical problem that the traditional nebulizer is inconvenient for different users to use or delays treatment.

[0005] The embodiments of the present invention provide the following technical solutions to improve the above technical problems:

[0006] An embodiment of the present invention provides an atomizer, comprising:

[0007] The housing has a first mounting opening on one side;

[0008] A first atomization generating assembly comprises a first atomization element and a first cavity, wherein the first atomization element is disposed in the first cavity, one end of the first cavity is mounted on the first mounting opening of the housing, and the other end of the cavity is provided with a first mist outlet;

[0009] A liquid storage tank is arranged in the shell, the liquid storage tank can rotate relative to the first installation port, a partition extends from the bottom of the liquid storage tank, the partition divides the liquid storage tank into a first liquid storage bin and a second liquid storage bin, the first liquid storage bin is provided with a first liquid outlet, and the second liquid storage bin is provided with a second liquid outlet;

[0010] The main control circuit is connected to the atomizer and is used to control the vibration of the first atomizer to convert the liquid in the first liquid storage tank or the second liquid storage tank into mist particles and output them through the first mist outlet.

[0011] Optionally, the housing further comprises a second mounting opening, the second mounting opening being arranged opposite to the first mounting opening, and the atomizer further comprises a second atomization generating assembly;

[0012] The second atomization generating assembly includes a second atomization component and a second cavity. The second atomization component is arranged in the second cavity. One end of the second cavity is installed at the second installation port of the shell, and the other end of the second cavity is provided with a second mist outlet.

[0013] Optionally, the main control circuit includes:

[0014] A controller, used for outputting a control signal;

[0015] An atomizer drive circuit, wherein an input end of the atomizer drive circuit is connected to the controller, and an output end of the atomizer drive circuit is connected to the first atomizer, and the first atomizer drive circuit is used to output a drive signal according to the control signal, so that the first atomizer vibrates according to the drive signal.

[0016] Optionally, the first atomizing element includes a piezoelectric transducer and a screen;

[0017] The piezoelectric transducer is fitted with the mesh sheet, the piezoelectric transducer is provided with a first electrode end, the mesh sheet is provided with a second electrode end, and the first electrode end and the second electrode end are connected to the output end of the atomizer drive circuit.

[0018] Optionally, the atomizer driving circuit includes a boost circuit, an oscillation circuit and a frequency sweep circuit;

[0019] The boost circuit is used to be connected to the input power supply, the controller and the first atomizer respectively, and is used to boost the voltage of the input power supply to obtain a boosted voltage;

[0020] The oscillation circuit is connected to the boost circuit, the controller and the first atomizer, respectively, and is used to convert the boost voltage into an oscillation voltage according to a control signal output by the controller and apply it to the first atomizer to make the first atomizer vibrate;

[0021] The frequency sweep circuit is connected to the controller and the oscillation circuit respectively, and is used for acquiring a voltage signal corresponding to the vibration frequency of the first atomizer, and outputting the voltage signal to the controller.

[0022] Optionally, the boost circuit includes a first inductor, a boost chip, a first diode, a first resistor, a second resistor, a first capacitor, a second capacitor and a third capacitor;

[0023] One end of the first inductor and the first capacitor is used to connect to the input power supply, the other end of the first capacitor is grounded, the other end of the first inductor is respectively connected to the anode of the boost chip and the first diode, the cathode of the first diode, one end of the first resistor, one end of the second capacitor and one end of the third capacitor are connected together, the other end of the first resistor is respectively connected to the boost chip and one end of the second resistor, the other end of the second resistor, the other end of the second capacitor and the other end of the third capacitor are grounded.

[0024] Optionally, the oscillation circuit includes a second inductor, a first MOS transistor and a fourth capacitor;

[0025] One end of the second inductor is connected to the cathode of the first diode, the other end of the second inductor is respectively connected to the drain of the first MOS tube and one end of the fourth capacitor, the other end of the fourth capacitor is connected to the positive electrode of the atomizer, the gate of the first MOS tube is connected to the controller, and the source of the first MOS tube is grounded.

[0026] Optionally, the frequency sweep circuit includes a third resistor, a fourth resistor, a fifth capacitor, a first operational amplifier and a second operational amplifier;

[0027] One end of the third resistor is respectively connected to the source of the first MOS tube and the non-inverting input of the first operational amplifier, the other end of the third resistor is grounded, the inverting input of the first operational amplifier, the output of the first operational amplifier and the inverting input of the second operational amplifier, one end of the fourth resistor and one end of the second capacitor are commonly connected, the non-inverting input of the second operational amplifier is grounded, and the output of the second operational amplifier, the other end of the fourth resistor and the other end of the first capacitor are commonly connected to the controller.

[0028] Optionally, the atomizer further comprises a liquid detection circuit;

[0029] The liquid detection circuit is connected to the controller and is used to detect whether there is liquid in the first liquid storage tank or the second liquid storage tank.

[0030] Optionally, the liquid detection circuit includes a metal sensor sheet, a fifth resistor, a sixth resistor, a seventh resistor, a sixth capacitor, a seventh capacitor, an eighth capacitor and a second diode;

[0031] The metal sensing sheet is arranged at the bottom of the first liquid storage tank or the second liquid storage tank, the metal sensing sheet is connected to one end of the fifth resistor, the other end of the fifth resistor is connected to one end of the sixth capacitor, the other end of the sixth capacitor is connected to the anode of the second diode, the cathode of the second diode is respectively connected to one end of the sixth resistor, one end of the seventh capacitor and one end of the seventh resistor, the other end of the sixth resistor and the other end of the seventh capacitor are grounded, the other end of the seventh resistor is respectively connected to the controller and one end of the eighth capacitor, and the other end of the eighth capacitor is grounded.

[0032] The beneficial effect of the embodiment of the present invention is: to provide an atomizer, wherein the atomizer includes a shell, a first atomization generating assembly, a liquid storage tank and a main control circuit. The first atomization generating assembly includes a first atomizing element and a first cavity, the first atomizing element is arranged in the first cavity, the first cavity is arranged on one side of the shell, the liquid storage tank is divided into a first liquid storage tank and a second liquid storage tank by a partition, the liquid storage tank can rotate relative to the first atomization generating assembly, the first liquid storage tank or the second liquid storage tank can supply liquid to the first atomizing element, the main control circuit is connected to the atomizing element, and can control the vibration of the first atomizing element to atomize the liquid. Therefore, it can be convenient for different users to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] One or more embodiments are illustrated only as examples in the corresponding drawings, and these examples do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings represent similar elements, and unless otherwise stated, the figures in the drawings do not constitute proportional limitations.

[0034] Figure 1 is a schematic diagram of the three-dimensional structure of an atomizer provided by an embodiment of the present invention;

[0035] Figure 2 is an exploded schematic diagram of an atomizer provided by an embodiment of the present invention;

[0036] Figure 3 yes Figure 1 A structural schematic diagram of a first atomization generating component is provided;

[0037] Figure 4a and Figure 4b is a cross-sectional view of an atomizer provided by an embodiment of the present invention;

[0038] Figure 5 An embodiment of the present invention provides a structural schematic diagram of a first atomizing element;

[0039] Figure 6 is a circuit structure block diagram of an atomizer provided by an embodiment of the present invention;

[0040] Figure 7 yes Figure 6 A structural schematic diagram of an atomizer driving circuit is provided;

[0041] Figure 8 yes Figure 7 A circuit structure schematic diagram of an atomizer drive circuit is provided;

[0042] Fig. 9 yes Figure 6 A circuit structure schematic diagram of a liquid detection circuit is provided. DETAILED DESCRIPTION

[0043] In order to facilitate the understanding of the present application, the present application is described in more detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that when an element is described as being "fixed to" / "fixed to" / "installed on" another element, it can be directly on the other element, or one or more centered elements can exist therebetween. When an element is described as being "connected to" another element, it can be directly connected to the other element, or one or more centered elements can exist therebetween. The terms "vertical", "horizontal", "left", "right", "inside", "outside" and similar expressions used in this specification are for illustrative purposes only.

[0044] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used in this specification includes any and all combinations of one or more of the related listed items.

[0045] In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.

[0046] In this specification, the term "installation" includes fixing or restricting a component or device to a specific position or place by welding, screwing, clamping, bonding, etc. The component or device may remain stationary at the specific position or place or move within a limited range. After being fixed or restricted to a specific position or place, the component or device may or may not be disassembled, which is not limited in the embodiments of the present application.

[0047] See also Figure 1 , Figure 1 is a three-dimensional diagram of an atomizer provided by an embodiment of the present invention, such as Figure 1 As shown, the atomizer 100 includes an atomizing portion 10 and a main body portion 20 .

[0048] The atomizing unit 10 includes a cover 11 , a housing 12 , a first atomizing generating assembly 13 and a liquid storage tank 14 .

[0049] The cover body 11 is circular in shape, and a first connection portion 111 extends from the outer wall of the cover body 11, and a second connection portion 121 is provided on the outer wall of the shell 12. The first connection portion 111 is rotatably connected to the second connection portion 121, so that the cover body 11 can rotate relative to the shell 12, thereby realizing the closing or opening of the cover body 11.

[0050] The outer wall of the cover body 11 is also provided with a third connecting portion 112 and a first clamping portion 113, and the outer wall of the shell 12 is also provided with a second clamping portion 122. The first clamping portion 113 is rotatably connected with the third connecting portion 112. After the cover body 11 and the shell 12 are closed, when the first clamping portion 113 rotates along the first direction, the first clamping portion 113 can be separated from the second clamping portion 122. When the first clamping portion 113 rotates along the second direction, the first clamping portion 113 is clamped with the second clamping portion 122.

[0051] The liquid storage tank 14 is arranged in the shell 12, and the liquid storage tank 14 is cylindrical. The liquid storage tank 14 can be rotated relative to a first installation port 123 set on one side of the shell 12. A partition 141 extends upward from the bottom of the liquid storage tank 14, and the partition 141 divides the liquid storage tank 14 into a first liquid storage bin 142 and a second liquid storage bin 143. The first liquid storage bin 142 and the second liquid storage bin 143 are used to place liquid, which can be a medicine or other liquid substances. The first liquid storage bin 142 is provided with a first liquid outlet 1421, and the second liquid storage bin 143 is provided with a second liquid outlet 1422. When the liquid storage tank 14 rotates relative to the first installation port 123, the first liquid outlet 1421 or the second liquid outlet 1422 can be directed toward the first installation port 123.

[0052] The first atomization generating assembly 13 includes a mounting plate 131 , a first sealing ring 132 , a first atomizing element 133 , a second sealing ring 134 and a first cavity 135 .

[0053] One end of the first cavity 135 can be detachably mounted on the first mounting port 123, and the other end of the first cavity 135 is provided with a first mist outlet 1351. The mounting plate 131 can be mounted with the first atomizer 133, and the mounting plate 131 is provided with a through hole 1311. The first atomizer 133 includes an aerosol generating area 1331. When the first liquid outlet 1421 faces the first mounting port 123, the liquid in the first liquid storage tank 142 can contact the aerosol generating area 1331 through the first liquid outlet 1421 and the through hole 1311. The first sealing ring 132 and the second sealing ring 134 are used to prevent the liquid flowing through the first through hole from seeping out through the edge of the first atomizer 133.

[0054] In some embodiments, see Figure 5 The first atomizing element 133 includes a piezoelectric transducer 1332 and a mesh sheet 1333 .

[0055] The piezoelectric transducer 1332 is arranged in close contact with the mesh sheet 1333. The piezoelectric transducer 1332 includes a first electrode terminal 13321 (for example, a positive terminal) and a resonance generating area 13322. The mesh sheet 1333 includes a second electrode terminal 13331 (for example, a negative terminal) and a mesh 13332. When the first electrode terminal 1322 and the second electrode terminal 13331 are energized, the piezoelectric transducer 1332 and the mesh sheet 1333 vibrate together to convert the liquid into droplets. The piezoelectric transducer 1332 can be made of piezoelectric effect ceramics, and the mesh sheet 1333 can be made of an alloy mesh sheet or a polymer mesh sheet.

[0056] Since the atomizer based on the piezoelectric transducer 1332 and the screen 1333 is prone to blockage, if it needs to be continued to be used, the first atomization component 13 can only be replaced, which wastes the user's time. In addition, a single-head single-channel is prone to cross-infection.

[0057] Based on this, in some embodiments, please continue to refer to Figure 1 The atomization unit 10 also includes a second atomization generating component 15 .

[0058] like Figure 2 As shown, the atomization generating assembly 15 includes a second atomizing element 151 (not shown) and a second cavity 152, wherein the second atomizing element 151 is disposed in the second cavity 152, one end of the second cavity 152 is detachably mounted on a second mounting opening 124 disposed on the outer side wall of the housing 12, and the other end of the second cavity 152 is provided with a second mist outlet 1521. The second mounting opening 124 is disposed opposite to the first mounting opening 123.

[0059] The structure of the atomization generating assembly 15 may refer to the first atomization generating assembly 13 and will not be described in detail here.

[0060] It can be understood that the liquid storage tank 14 can also rotate relative to the second mounting port 124. When the liquid storage tank 14 rotates relative to the second mounting port 124, the first liquid outlet 1421 or the second liquid outlet 1422 can be directed toward the first mounting port 123. In this way, when the first liquid outlet 1421 is directed toward the first mounting port 123, the second liquid outlet 1422 is directed toward the second mounting port 124. At this time, the first liquid storage tank 142 is used for the first atomization generator through the first liquid outlet 1421. When the first liquid outlet 1421 faces the second mounting port 124, the first liquid outlet 1421 faces the first mounting port 123. At this time, the first liquid storage tank 142 supplies liquid to the second atomization generating assembly 15 through the first liquid outlet 1421, and the first liquid storage tank 142 supplies liquid to the first atomization generating assembly 13 through the first liquid outlet 1421. Thus, the nebulizer 100 can be used by different users at the same time, and it can avoid the situation that one channel is damaged and the nebulizer 100 cannot be used or there is cross infection.

[0061] The host unit 20 includes a host housing 21 , a control main board 22 and a battery 23 .

[0062] The control mainboard 22 is disposed in the main housing 21 , and includes a main control circuit 221 electrically connected to the first atomizing element 133 . The control circuit 221 controls the first atomizing element 133 to vibrate so as to convert the liquid in the aerosol generating area 1331 into droplets.

[0063] Specifically, the main control circuit 221 includes a controller 2211 and an atomizer driving circuit 2212 .

[0064] The input end of the atomizer driving circuit 2212 is connected to the controller 2211, and the output end of the atomizer driving circuit 2212 is connected to the first atomizer 133 or the second atomizer 151. The atomizer driving circuit 2212 can output a driving signal to the first atomizer 133 or the second atomizer 151 according to the control signal, so that the first atomizer 133 or the second atomizer 151 vibrates according to the driving signal.

[0065] The controller 2211 can be any general purpose processor, digital signal processor (DSP), application specific integrated circuit (ASIC), field programmable gate array (FPGA), single chip microcomputer, ARM (Acorn RISC Machine) or other programmable logic device, discrete gate or transistor logic, discrete hardware components or any combination of these components. In addition, the controller 2211 can also be any conventional processor, controller, microcontroller or state machine. The controller 2211 can also be implemented as a combination of computing devices, for example, a combination of a DSP and a microprocessor, multiple microprocessors, one or more microprocessors combined with a DSP and / or any other such configuration.

[0066] Users of different age groups have different requirements for atomization volume and atomization rate. Since children have narrow and fragile airways, the atomization rate should not be too high. However, the airways of adults are mature and have stronger absorption capacity, so the atomization rate can be set relatively high. Therefore, in order to facilitate the use of users of different age groups, the atomizer 100 is provided with different modes, and the control methods of different modes are stored in the memory. When the controller 2211 receives an instruction for a specific mode, it calls up the preset specific data in the memory, and controls the atomizer drive circuit 2212 to output a specific drive signal to the first atomizer 133 or the second atomizer 151 according to the preset specific data, thereby controlling the vibration of the first atomizer 133 or the second atomizer 151, and further controlling the atomization volume and atomization rate.

[0067] It is understood that in different modes, the power of the working circuits of the first atomizer 133 and the second atomizer 151 is different. For example, in the child mode, the power is relatively low because the required atomization rate is low. In the adult mode, the power is relatively high because the required atomization rate is relatively high. Specifically, in the child mode, the controller 2211 controls the atomizer drive circuit 2212 to output the rated current, and controls the atomizer drive circuit 2212 to output the first preset voltage. At this time, the power in the child mode is obtained; in the adult mode, the controller 2211 controls the atomizer drive circuit 2212 to output the rated current, and controls the atomizer drive circuit 2212 to output the second preset voltage. At this time, the power in the adult mode is obtained. It is understood that the voltage given in the child mode is less than the voltage given in the adult mode, so the power in the child mode is less than the power in the adult mode, so that the atomization rate obtained in the child mode is low, and the atomization rate obtained in the adult mode is high.

[0068] See also Figure 6The atomizer 100 further includes an input module 212. The input module 212 is disposed on the main housing 21, and the input module 212 is connected to the controller 2211. The user can input a control instruction through the input module 212, so that the controller 2211 performs a preset operation according to the control instruction.

[0069] The input module 212 can be constructed in any form, such as a button, a keyboard, a touch screen, etc. In this specific embodiment, the input module 212 is a button, and the button is set on the main body housing 21. The user can select the working mode of the atomizer 100 by pressing the button, such as selecting the child working mode. At this time, the controller 2211 receives the control instruction and controls the atomizer drive circuit 2212 according to the control instruction, thereby realizing the control of the atomization amount and the atomization rate, and then controlling the atomizer 100 to work in the child working mode.

[0070] like Figure 6 As shown, the atomizer 100 further includes a display module 213. The display module 213 is disposed on the main housing 21, and the display module 213 is connected to the controller 2211. The display module 213 can be used to display information such as the power level of the battery 23.

[0071] See also Figure 7 The atomizer driving circuit 2212 includes a boost circuit 22121 , an oscillation circuit 22122 and a frequency sweep circuit 22123 .

[0072] The boost circuit 22121 is connected to the input power source VIN, the controller 2211 and the first atomizer 133 respectively, and the boost circuit 22121 can boost the voltage of the input power source VIN to obtain a boosted voltage. The input power source VIN can come from the battery 23 or an external power source.

[0073] See also Figure 8 The boost circuit 22121 includes a first inductor L1, a boost chip U1, a first diode D1, a first resistor R1, a second resistor R2, a first capacitor C1, a second capacitor C2 and a third capacitor C3.

[0074] One end of the first inductor L1 and the first capacitor C1 are connected to the input power supply VIN, the other end of the first capacitor C1 is grounded, the other end of the first inductor L1 is respectively connected to the LX pin of the boost chip U1 and the anode of the first diode D1, the cathode of the first diode D1, one end of the first resistor R1, one end of the second capacitor C2 and one end of the third capacitor C3 are connected together, the other end of the first resistor R1 is respectively connected to the FB pin of the boost chip U1 and one end of the second resistor R2, the other end of the second resistor R2, the other end of the second capacitor C2 and the other end of the third capacitor C3 are grounded.

[0075] The first resistor R1 and the second resistor R2 are sampling resistors for sampling the voltage at the output end of the boost circuit 22121. The boost chip U1 controls the voltage at the output end of the boost circuit 22121 to be stable within a preset voltage range according to the obtained sampled voltage.

[0076] The oscillation circuit 22122 is respectively connected to the boost circuit 22121, the controller 2211 and the first atomizer 133. The oscillation circuit 22122 can convert the boost voltage into an oscillation voltage according to the control signal output by the controller 2211 and apply it to the first atomizer 133 or the second atomizer 151 to make the first atomizer 133 or the second atomizer 151 vibrate.

[0077] like Figure 8 As shown, the oscillation circuit 22122 includes a second inductor L2, a first MOS transistor Q1 and a fourth capacitor C4.

[0078] One end of the second inductor L2 is connected to the cathode of the first diode D1, the other end of the second inductor L2 is respectively connected to the drain of the first MOS transistor Q1 and one end of the fourth capacitor C4, the other end of the fourth capacitor C4 is connected to the positive terminal of the first atomizer 133, the gate of the first MOS transistor Q1 is connected to the controller 2211, and the source of the first MOS transistor Q1 is grounded.

[0079] The controller 2211 sends a PWM control signal to the gate of the first MOS tube Q1, and the first MOS tube Q1 is continuously switched on and off, thereby converting the boost voltage into an oscillating voltage. By controlling the duty cycle and frequency of the PWM control signal, the power applied to the first atomizer 133 or the second atomizer 151 can be controlled.

[0080] In order to limit the voltage output by the oscillation circuit 22122 to a preset voltage range and avoid the output voltage being too high, in some embodiments, such as Figure 8 As shown, the oscillation circuit 22122 further includes a Zener diode ZD1, an anode of the Zener diode ZD1 is grounded, and a cathode of the Zener diode ZD1 is connected to the drain of the first MOS transistor Q1.

[0081] The first atomizer 133 or the second atomizer 151 has a vibration frequency range. No matter in the child working mode or the adult working mode, the first atomizer 133 or the second atomizer 151 has an optimal vibration frequency point. When the first atomizer 133 or the second atomizer 151 works at the optimal vibration frequency point, the power in the child working mode or the power in the adult working mode reaches the maximum, and the atomization effect is also the best. Therefore, by finding the optimal vibration frequency point of the first atomizer 133 or the second atomizer 151 during the operation of the atomizer 100, when the optimal vibration frequency point is found, the controller 2211 locks the output signal at this time and outputs it stably, so that the atomizer 100 maintains a good atomization effect during the entire atomization process.

[0082] The best vibration frequency point of the first atomizer 133 or the second atomizer 151 can be found through the frequency sweeping circuit 22123. The frequency sweeping circuit 22123 is connected to the controller 2211 and the oscillation circuit 22122 respectively, and the frequency sweeping circuit 22123 can obtain a voltage signal corresponding to the vibration frequency of the first atomizer 133 or the second atomizer 151, and output the voltage signal to the controller 2211.

[0083] When the vibration frequency of the first atomizer 133 or the second atomizer 151 is different, the voltage signal output by the sweep frequency circuit 22123 to the controller 2211 is also different, and the vibration frequency of the first atomizer 133 or the second atomizer 151 is related to the voltage signal output by the sweep frequency circuit 22123. Therefore, the controller 2211 can compare the voltage signal output from the sweep frequency circuit 22123 with the preset voltage, and determine whether the vibration frequency of the first atomizer 133 or the second atomizer 151 is the optimal vibration frequency point based on the comparison result.

[0084] like Figure 8 As shown, the frequency scanning circuit 22123 includes a third resistor R3, a fourth resistor R4, a fifth capacitor C5, a first operational amplifier A1 and a second operational amplifier A2.

[0085] One end of the third resistor R3 is connected to the source of the first MOS tube Q1 and the non-inverting input terminal of the first operational amplifier A1 respectively, the other end of the third resistor R3 is grounded, the inverting input terminal of the first operational amplifier A1, the output terminal of the first operational amplifier A1 and the inverting input terminal of the second operational amplifier A2, one end of the fourth resistor R4 and one end of the second capacitor C2 are connected together, the non-inverting input terminal of the second operational amplifier A2 is grounded, and the output terminal of the second operational amplifier A2, the other end of the fourth resistor R4 and the other end of the first capacitor C1 are connected together to the controller 2211.

[0086] In order to stop the atomizer 100 from working when the liquid in the first liquid storage tank 142 or the second liquid storage tank 143 is used up, in some embodiments, refer to Fig. 9 , the atomizer 100 also includes a liquid detection circuit 224 .

[0087] The liquid detection circuit 224 is connected to the controller 2211 , and the liquid detection circuit 224 can detect whether there is liquid in the first liquid storage tank 142 or the second liquid storage tank 143 .

[0088] Specifically, Figure 5 As shown, the liquid detection circuit 224 includes a metal sensor sheet 2231, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, a sixth capacitor C6, a seventh capacitor C7, an eighth capacitor C8 and a second diode D2.

[0089] The metal sensing sheet 2231 is arranged at the bottom of the first liquid storage tank 142 or the second liquid storage tank 143, the metal sensing sheet 2221 is connected to one end of the fifth resistor R5, the other end of the fifth resistor R5 is connected to one end of the sixth capacitor C6, the other end of the sixth capacitor C6 is connected to the anode of the second diode D2, the cathode of the second diode D2 is respectively connected to one end of the sixth resistor R6, one end of the seventh capacitor C7 and one end of the seventh resistor R7, the other end of the sixth resistor R6 and the other end of the seventh capacitor C7 are grounded, the other end of the seventh resistor R7 is respectively connected to the controller 2211 and one end of the eighth capacitor C8, and the other end of the eighth capacitor C8 is grounded.

[0090] If the metal sensor sheet 2221 is set at the bottom of the first liquid storage tank 142, then the liquid detection circuit 222 outputs different voltage signals to the controller 2211 when there is liquid in the first liquid storage tank 142 and when there is no liquid. Therefore, when the voltage signal received by the controller 2211 indicates that there is no liquid in the first liquid storage tank 142, the atomizer 100 is immediately controlled to stop working by turning off the power supply or stopping the output of the control signal.

[0091] During the operation of the atomizer 100, the current of the working circuit is generally the rated current. However, if some factors cause the current of the working circuit to be greater than the rated current, for example, bubbles are encountered during the atomization process or the mesh 13332 of the mesh sheet 1333 is blocked, the current of the working circuit will exceed the rated current. At this time, an adverse effect will be produced. Therefore, when the atomizer 100 is working, the current of the working circuit needs to be detected in real time. Please continue to read Figure 6 The atomizer 100 further includes a current detection circuit 225 .

[0092] The current detection circuit 225 is arranged on the control main board 22. The current detection circuit 225 is connected to the output ends of the controller 2211 and the atomizer driving circuit 2212 respectively. The current detection circuit 225 can detect the output current of the atomizer driving circuit 2212, obtain the corresponding voltage signal and output it to the controller 2211. When the voltage signal received by the controller 2211 indicates that the output current of the atomizer driving circuit 2212 is too large, the atomizer 100 is immediately controlled to stop working to avoid losses.

[0093] When the built-in battery 23 is used for power supply during the atomization process, the power of the battery 23 will gradually decrease as the working time increases. During the process of gradually decreasing power, the voltage at both ends of the positive and negative electrodes of the battery 23 will also gradually decrease. When the battery 23 is about to be exhausted, it is necessary to remind the user to charge the battery 23 in time. To check the power of the battery 23, please continue to refer to Figure 6 The atomizer 100 further includes a battery power detection circuit 226 .

[0094] The battery power detection circuit 226 is arranged on the control main board 22. The battery power detection circuit 226 is connected to the positive and negative electrodes of the battery 23 and the controller 2211 respectively. The battery power detection circuit 224 can detect the voltage between the positive and negative electrodes of the battery 23, and feed back the detected voltage information to the controller 2211 in real time. The controller 2211 calculates the power consumption of the battery 23 according to the voltage information, and the controller 2211 controls the atomizer 100 to stop working when the power consumption of the battery 23 reaches a preset threshold. At the same time, the controller 2211 displays the real-time power information of the battery 23 through the display module 223 to prompt the user to charge the battery 23 in time when the power of the battery 23 is insufficient, and to prompt the user to stop charging the battery 23 when the power of the battery 23 is sufficient.

[0095] To control the working time of the atomizer 100, please continue to refer to Figure 6 The atomizer also includes a timing module 227 .

[0096] The timing module 227 is disposed on the control mainboard 22 , and the timing module 227 is connected to the controller 2211 .

[0097] The user can input a timing instruction through the input module 212, and the controller 2211 controls the atomizer 100 to work at a timing. When the timing ends, the controller 2211 stops the atomizer 100. The timing time can be freely set according to actual needs. For example, the timing time is set to three gears of 3-5 minutes, 5-10 minutes and 10-15 minutes to achieve intermittent atomization.

[0098] In order to realize the interaction between the atomizer 100 and the outside world, please continue to refer to Figure 6, the atomizer 100 also includes a communication module 228 .

[0099] The communication module 228 is provided on the control main board 22, and the communication module 228 is connected to the controller 2211. The communication module 228 can be any module that can realize the communication function, such as a WIFI module, a Bluetooth module, etc. The controller 2211 can establish a communication connection with the outside (terminal device, server, etc.) through the communication module 228, so as to realize data interaction. For example, when the controller 2211 establishes a communication connection with the terminal device through the communication module 228, the terminal device can send a control signal to the controller 2211, so as to control the controller 2211 to perform a specific operation, such as switching the child working mode to the adult working mode, and the terminal device can receive the data sent by the controller 2211.

[0100] Finally, it should be noted that the present invention can be implemented in many different forms and is not limited to the embodiments described in this specification. These embodiments are not intended to be additional limitations on the content of the present invention. The purpose of providing these implementations is to make the understanding of the disclosure of the present invention more thorough and comprehensive. In addition, under the idea of ​​the present invention, the above-mentioned technical features continue to be combined with each other, and there are many other changes in different aspects of the present invention as described above, which are all considered to be within the scope of the present invention specification; further, for ordinary technicians in this field, they can be improved or transformed according to the above description, and all these improvements and transformations should belong to the scope of protection of the claims attached to the present invention.

Claims

1. An atomizer, It is characterized in that include: A housing, one side of which is provided with a first mounting opening, the housing is further provided with a second mounting opening, the second mounting opening being arranged opposite to the first mounting opening; A first atomization generating assembly comprises a first atomization element and a first cavity, wherein the first atomization element is disposed in the first cavity, one end of the first cavity is mounted on a first mounting opening of the housing, and the other end of the first cavity is provided with a first mist outlet; A second atomization generating assembly comprises a second atomization element and a second cavity, wherein the second atomization element is disposed in the second cavity, one end of the second cavity is mounted on the second mounting opening of the housing, and the other end of the second cavity is provided with a second mist outlet; A liquid storage tank is arranged in the shell, the liquid storage tank can rotate relative to the first installation port, a partition extends from the bottom of the liquid storage tank, the partition divides the liquid storage tank into a first liquid storage bin and a second liquid storage bin, the first liquid storage bin is provided with a first liquid outlet, and the second liquid storage bin is provided with a second liquid outlet; a main control circuit connected to the first atomizing element and used to control the vibration of the first atomizing element so as to convert the liquid in the first liquid storage tank or the second liquid storage tank into mist particles and output them through the first mist outlet; The first atomizer includes a piezoelectric transducer and a screen sheet, the piezoelectric transducer is fitted with the screen sheet, the piezoelectric transducer is provided with a first electrode end, the screen sheet is provided with a second electrode end, the first electrode end and the second electrode end are connected to an output end of an atomizer drive circuit, and the first atomizer drive circuit is used to output a drive signal according to a control signal, so that the first atomizer vibrates according to the drive signal.

2. The atomizer according to claim 1, It is characterized in that The main control circuit comprises: a controller, configured to output the control signal; An atomizer drive circuit, wherein an input end of the atomizer drive circuit is connected to the controller, and an output end of the atomizer drive circuit is connected to the first atomizer.

3. The atomizer according to claim 2, It is characterized in that The atomizer driving circuit includes a boost circuit, an oscillation circuit and a frequency sweep circuit; The boost circuit is used to be connected to the input power supply, the controller and the first atomizer respectively, and is used to boost the voltage of the input power supply to obtain a boosted voltage; The oscillation circuit is connected to the boost circuit, the controller and the first atomizer, respectively, and is used to convert the boost voltage into an oscillation voltage according to a control signal output by the controller and apply it to the first atomizer to make the first atomizer vibrate; The frequency sweep circuit is connected to the controller and the oscillation circuit respectively, and is used for acquiring a voltage signal corresponding to the vibration frequency of the first atomizer, and outputting the voltage signal to the controller.

4. The atomizer according to claim 3, It is characterized in that The boost circuit includes a first inductor, a boost chip, a first diode, a first resistor, a second resistor, a first capacitor, a second capacitor and a third capacitor; One end of the first inductor and the first capacitor is used to connect to the input power supply, the other end of the first capacitor is grounded, the other end of the first inductor is respectively connected to the anode of the boost chip and the first diode, the cathode of the first diode, one end of the first resistor, one end of the second capacitor and one end of the third capacitor are connected together, the other end of the first resistor is respectively connected to the boost chip and one end of the second resistor, the other end of the second resistor, the other end of the second capacitor and the other end of the third capacitor are grounded.

5. The atomizer according to claim 4, It is characterized in that The oscillation circuit includes a second inductor, a first MOS tube and a fourth capacitor; One end of the second inductor is connected to the cathode of the first diode, the other end of the second inductor is respectively connected to the drain of the first MOS tube and one end of the fourth capacitor, the other end of the fourth capacitor is connected to the positive electrode of the atomizer, the gate of the first MOS tube is connected to the controller, and the source of the first MOS tube is grounded.

6. The atomizer according to claim 5, It is characterized in that The frequency sweep circuit includes a third resistor, a fourth resistor, a fifth capacitor, a first operational amplifier and a second operational amplifier; One end of the third resistor is respectively connected to the source of the first MOS tube and the non-inverting input of the first operational amplifier, the other end of the third resistor is grounded, the inverting input of the first operational amplifier, the output of the first operational amplifier and the inverting input of the second operational amplifier, one end of the fourth resistor and one end of the second capacitor are commonly connected, the non-inverting input of the second operational amplifier is grounded, and the output of the second operational amplifier, the other end of the fourth resistor and the other end of the first capacitor are commonly connected to the controller.

7. The atomizer according to any one of claims 2 to 6, It is characterized in that The atomizer also includes a liquid detection circuit; The liquid detection circuit is connected to the controller and is used to detect whether there is liquid in the first liquid storage tank or the second liquid storage tank.

8. The atomizer according to claim 7, It is characterized in that The liquid detection circuit includes a metal sensor sheet, a fifth resistor, a sixth resistor, a seventh resistor, a sixth capacitor, a seventh capacitor, an eighth capacitor and a second diode; The metal sensing sheet is arranged at the bottom of the first liquid storage tank or the second liquid storage tank, the metal sensing sheet is connected to one end of the fifth resistor, the other end of the fifth resistor is connected to one end of the sixth capacitor, the other end of the sixth capacitor is connected to the anode of the second diode, the cathode of the second diode is respectively connected to one end of the sixth resistor, one end of the seventh capacitor and one end of the seventh resistor, the other end of the sixth resistor and the other end of the seventh capacitor are grounded, the other end of the seventh resistor is respectively connected to the controller and one end of the eighth capacitor, and the other end of the eighth capacitor is grounded.

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