CN216165177U - Atomizer heating circuit with adjustable current direction, device and electronic atomizer - Google Patents

Abstract

The utility model belongs to the technical field of electronic atomization, solves the technical problem that the atomization rate of atomized liquid needs to be matched with the inhalation amount of atomized gas due to the fact that the inhalation amount of atomized gas of a user is constantly changed in the prior art, and provides an atomizer heating circuit with adjustable current direction, an atomizer heating device and an electronic atomizer. The heating circuit comprises a heating element and a power supply circuit, the heating element comprises a first end and a second end, and the power supply circuit comprises a first circuit and a second circuit; the first circuit is electrically connected with the first end of the heating element, the second circuit is electrically connected with the second end of the heating element, the first circuit and the second circuit respectively comprise at least two terminals, each terminal of the first circuit and each terminal of the second circuit form at least two power supply circuits in a one-to-one correspondence mode, and the current directions of at least two power supply circuits are different. The method and the device can ensure that the atomization rate of the atomized liquid is matched with the aerosol inhalation amount, and improve the use efficiency of the atomized liquid and the user experience effect.

Description

Atomizer heating circuit with adjustable current direction, device and electronic atomizer

Technical Field

The utility model relates to the technical field of circuit detection, in particular to an atomizer heating circuit with adjustable current direction, an atomizer heating device and an electronic atomizer.

Background

The electronic atomizer is characterized in that after the atomization component and the power supply component are electrified, the power supply component supplies power to the heating element of the atomization component, so that the heating element generates heat, and atomized liquid in the atomization cavity is atomized by heat energy generated by the heating element; the user can inhale the atomizing gas after the atomizing.

Among the prior art, the user inhales and makes the atomizing gas absorptive volume and the frequency that the atomizing liquid atomizing produced through electronic atomizer be invariable not, consequently, in order to match the user and inhale the atomizing gas's volume to each period, consequently need constantly adjust atomizing liquid atomizing speed to satisfy the user and inhale the demand of atomizing gas, improve user's experience effect and atomizing liquid's utilization efficiency.

Disclosure of Invention

In view of this, embodiments of the present invention provide an atomizer heating circuit with an adjustable current direction, an atomizer heating device, and an electronic atomizer, so as to solve the technical problem that the atomization rate of atomized liquid needs to be matched with the inhalation amount of atomized gas because the inhalation amount of atomized gas by a user is constantly changing. The technical scheme adopted by the utility model is as follows:

the utility model provides an atomizer heating circuit with adjustable current direction, which comprises a heating element and a power supply circuit, wherein the heating element comprises a first end and a second end, and the power supply circuit comprises a first circuit and a second circuit; the first circuit is electrically connected with the first end of the heating element, the second circuit is electrically connected with the second end of the heating element, the first circuit and the second circuit respectively comprise at least two terminals, each terminal of the first circuit and each terminal of the second circuit form at least two power supply circuits in a one-to-one correspondence mode, and the current directions of at least two power supply circuits are different.

Preferably, the first circuit includes a first sub-circuit and a second sub-circuit, the input terminals of the first sub-circuit and the second sub-circuit are both used for being connected to an enable signal control terminal, an enable signal of the enable signal control terminal is used for controlling the on/off of the first sub-circuit and the second sub-circuit, and the output terminals of the first sub-circuit and the second sub-circuit are connected to the first terminal of the heating element in a common point.

Preferably, the first sub-circuit includes a first resistor, a second resistor and a first MOS transistor, a common point of a source of the first MOS transistor and one end of the first resistor is used for connecting to an enable signal control end, a common point of the other end of the first resistor and a gate of the first MOS transistor is connected to one end of the second resistor, and a common point of the other end of the second resistor and a drain of the first MOS transistor is connected to the first end of the heating element.

Preferably, the second sub-circuit includes a third resistor and a second MOS transistor, a common point of a source of the second MOS transistor and one end of the third resistor is used for connecting to an enable signal control end, a common point of the other end of the third resistor and a gate of the second MOS transistor is connected to the first end of the heating element, and a drain of the second MOS transistor is grounded.

Preferably, the second circuit includes a third sub-circuit and a fourth sub-circuit, the input ends of the third sub-circuit and the fourth sub-circuit are both used for being connected to an enable signal control end, an enable signal of the enable signal control end is used for controlling the on/off of the third sub-circuit and the fourth sub-circuit, and the output ends of the third sub-circuit and the fourth sub-circuit are connected to the second end of the heating element in a common point manner.

Preferably, the third sub-circuit comprises a fourth resistor and a third MOS transistor, a common point of a source of the third MOS transistor and one end of the fourth resistor is used for connecting an enable signal control end, a common point of the other end of the fourth resistor and a gate of the third MOS transistor is connected with a power supply, and a drain of the third MOS transistor is connected with the second end of the heating element.

Preferably, the fourth sub-circuit includes a fifth resistor and a fourth MOS transistor, a common point of a source of the fourth MOS transistor and one end of the fifth resistor is used for connecting an enable signal control end, a common point of the other end of the fifth resistor and a gate of the fourth MOS transistor is connected to the second end of the heating element, and a drain of the fourth MOS transistor is grounded.

Preferably, the heating element is a heating wire, and an inductance coil is wound at a pin position of the heating wire.

The utility model also provides an atomizer heating device with an adjustable current direction, which comprises any one of the atomizer heating circuits with the adjustable current direction.

The utility model also provides an electronic atomizer which comprises a power supply assembly and an atomizing assembly, wherein the atomizing assembly is internally provided with the atomizer heating circuit with the adjustable current direction, and the power supply assembly and the atomizing assembly are connected in a pluggable manner.

In conclusion, the beneficial effects of the utility model are as follows:

by adopting the atomizer heating circuit with the adjustable current direction, the device and the electronic atomizer, the heating circuit comprises a heating element and a power supply circuit for supplying power to the heating element, wherein the power supply circuit comprises a first circuit and a second circuit, and the output ends of the first circuit and the second circuit are respectively and electrically connected with the two ends of the heating element; then set up respectively at first circuit and second circuit and go out the wiring end that can be used to be connected with the power electricity more, it is different when the wiring end that first circuit and second circuit access power, can obtain the different supply circuit of current direction, supply power for heating element with the different supply circuit of current direction, the voltage that can realize arbitrary cycle wave form gives the heater power supply, thereby realize the hot heating power adjustment of hair, so that accomplish the atomizing rate of atomized liquid, make the atomizing rate of atomized liquid need with the atomizing volume of inhaling food phase-match, improve atomized liquid availability factor and user experience effect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and for those skilled in the art, without any creative effort, other drawings may be obtained according to the drawings, and these drawings are all within the protection scope of the present invention.

Fig. 1 is a schematic structural diagram of a heating circuit of an atomizer with adjustable current direction according to embodiment 1 of the present invention;

FIG. 2 is a schematic circuit diagram of a heating circuit in embodiment 1 of the present invention;

FIG. 3 is a schematic structural view of an electronic atomizer in embodiment 3 of the present invention;

FIG. 4 is a schematic structural view of a cross-section of an atomizing assembly of an electronic atomizer in accordance with embodiment 3 of the present invention;

FIG. 5 is a schematic view showing an electrode structure of an electronic atomizer according to embodiment 3 of the present invention;

reference numerals of fig. 1 to 5:

100. a power supply component; 200. an atomizing assembly; 210. an air inlet; 220. an air outlet; 230. an air flow channel; 231. inserting holes; 232 slot; 251. a first electrode contact; 252. a second electrode contact; 253. a third electrode contact.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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. It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element. In case of conflict, the embodiments of the present invention and the various features of the embodiments may be combined with each other within the scope of the present invention.

Example 1

The embodiment of the utility model provides an atomizer heating circuit with adjustable current direction, and please refer to fig. 1, the heating circuit comprises a heating element and a power supply circuit, the heating element comprises a first end and a second end, and the power supply circuit comprises a first circuit and a second circuit; the first circuit is electrically connected with the first end of the heating element, the second circuit is electrically connected with the second end of the heating element, the first circuit and the second circuit respectively comprise at least two terminals, each terminal of the first circuit and each terminal of the second circuit form at least two power supply circuits in a one-to-one correspondence mode, and the current directions of at least two power supply circuits are different.

Specifically, two ends of the heating element are respectively electrically connected with a first circuit and a second circuit which supply power to the heating element, and when the input ends of the first circuit and the second circuit are connected with a power supply, the power supply circuit of the heating element completes the electrical connection; first circuit and second circuit all include a plurality of wiring ends of being connected with the power electricity, and the wiring end that first circuit and second circuit access power is different, can obtain the supply circuit that the current direction is different to realize that output periodic voltage gives heating element heating, make the heating power of atomizing liquid variable, realize atomizing liquid atomizing efficiency and user's actual conditions looks adaptation (food intake, food intake frequency etc.) of inhaling atomizing gas.

In an embodiment, the first circuit includes a first sub-circuit and a second sub-circuit, the input terminals of the first sub-circuit and the second sub-circuit are both used for being connected to an enable signal control terminal, an enable signal of the enable signal control terminal is used for controlling the on/off of the first sub-circuit and the second sub-circuit, the output terminals of the first sub-circuit and the second sub-circuit are connected to the first terminal of the heating element in a common point, and the output terminals of the first sub-circuit and the second sub-circuit are connected to the first terminal of the heating element in a common point.

Specifically, the first circuit comprises two enable signal control ends for controlling the power supply to be connected, each enable signal control end respectively corresponds to the first sub-circuit and the second sub-circuit, the output ends of the first sub-circuit and the second sub-circuit are electrically connected with the first end of the heating element, the control end determines that the first sub-circuit or the second sub-circuit of the first circuit is connected with the power supply through the enabling signal, when the first sub-circuit is connected with a power supply, the current direction of the power supply circuit is the first direction, when the second sub-circuit is connected with the power supply, the current direction of the power supply circuit is the second direction, the first direction and the second direction are opposite, it can be understood that when the first sub-circuit is connected to the power supply, the periodic voltage output by the power supply is effective in a negative direction, and similarly, when the second sub-circuit is connected to the power supply, the periodic voltage output by the power supply is effective in a positive direction.

In an embodiment, referring to fig. 2, the first sub-circuit includes a first resistor R1, a second resistor R2, and a first MOS transistor Q1, a common point of a source of the first MOS transistor Q1 and one end of the first resistor R1 is used for connecting an enable signal control terminal, a common point of the other end of the first resistor R1 and a gate of the first MOS transistor Q1 is connected to one end of the second resistor, and a common point of the other end of the second resistor R2 and a drain of the first MOS transistor Q1 is connected to a first end of the heating element.

In an embodiment, referring to fig. 2, the second sub-circuit includes a third resistor R3 and a second MOS transistor Q2, a source of the second MOS transistor Q2 is connected to a control terminal of the enable signal at a common point with one end of the third resistor R3, another end of the third resistor R3 is connected to a first end of the heating element at a common point with a gate of the second MOS transistor Q2, and a drain of the second MOS transistor Q2 is grounded.

In an embodiment, the second circuit includes a third sub-circuit and a fourth sub-circuit, the input terminals of the third sub-circuit and the fourth sub-circuit are both used for being connected to an enable signal control terminal, an enable signal of the enable signal control terminal is used for controlling the on/off of the third sub-circuit and the fourth sub-circuit, and the output terminals of the third sub-circuit and the fourth sub-circuit are connected to the second terminal of the heating element in a common point.

Specifically, the second circuit comprises two enable signal control ends for controlling the power supply to be connected, each enable signal control end respectively corresponds to the third sub-circuit and the fourth sub-circuit, the output ends of the third sub-circuit and the fourth sub-circuit are electrically connected with the first end of the heating element, the control end of the enable signal determines that the third sub-circuit or the fourth sub-circuit of the second circuit is connected with the power supply, when the third sub-circuit is connected with the power supply, the current direction of the power supply circuit is the first direction, when the fourth sub-circuit is connected with the power supply, the current direction of the power supply circuit is the second direction, the first direction and the second direction are opposite, it can be understood that when the third sub-circuit is connected to the power supply, the periodic voltage output by the power supply is effective in the negative direction, and similarly, when the fourth sub-circuit is connected to the power supply, the periodic voltage output by the power supply is effective in a positive direction.

In an embodiment, referring to fig. 2, the third sub-circuit includes a fourth resistor R4 and a third MOS transistor Q3, a source of the third MOS transistor Q3 is connected to the control terminal of the enable signal at a common point with one end of the fourth resistor R4, another end of the fourth resistor R4 is connected to the power source at a common point with a gate of the third MOS transistor Q3, and a drain of the third MOS transistor Q3 is connected to the second terminal of the heating element.

In an embodiment, referring to fig. 2, the fourth sub-circuit includes a fifth resistor R5 and a fourth MOS transistor Q4, a source of the fourth MOS transistor Q4 is connected to the control terminal of the enable signal at a common point with one end of the fifth resistor R5, another end of the fifth resistor R5 is connected to the second terminal of the heating element at a common point with a gate of the fourth MOS transistor Q4, and a drain of the fourth MOS transistor Q4 is grounded.

Specifically, the heating circuit adopts an H-bridge structure built by MOS transistors, TI and T2 are the first end and the second end of the heating element, P1, P2, P3 and P4 are control signal input ends for connection and disconnection between the first circuit and the power supply terminal and the second circuit and the power supply terminal, specifically, P1, P2, P3 and P4 are connected to an IO port of the controller MCU, so that the controller MCU is used to control connection and disconnection between each circuit and the power supply, when the first MOS transistor Q1 of the first sub-circuit and the third MOS transistor Q3 of the third sub-circuit are connected, P1 and P3 are connected effectively to form a first power supply circuit, when a current flows from T1 to T2, when the second MOS transistor Q2 of the second sub-circuit and the fourth MOS transistor Q4 of the fourth sub-circuit are connected, P2 and P4 are connected effectively to form a second power supply circuit, and when a current flows from T2 to T1.

In one embodiment, the heating element is a heating wire, and an inductance coil is wound at a pin position of the heating wire.

Specifically, heating element is the heater, and heater itself does not possess the inductance characteristic, through the winding inductance coil in the pin position of heater to make heating element's impedance value present specific change, can be used for electronic atomizer's atomizing subassembly to carry out true and false discernment, need not to increase extra encryption circuit, improve user experience effect and practice thrift the cost.

By adopting the atomizer heating circuit with the adjustable current direction, the heating circuit comprises a heating element and a power supply circuit for supplying power to the heating element, wherein the power supply circuit comprises a first circuit and a second circuit, and the output ends of the first circuit and the second circuit are respectively and electrically connected with the two ends of the heating element; then set up respectively at first circuit and second circuit and go out the wiring end that can be used to be connected with the power electricity more, it is different when the wiring end that first circuit and second circuit access power, can obtain the different supply circuit of current direction, supply power for heating element with the different supply circuit of current direction, the voltage that can realize arbitrary cycle wave form gives the heater power supply, thereby realize the hot heating power adjustment of hair, so that accomplish the atomizing rate of atomized liquid, make the atomizing rate of atomized liquid need with the atomizing volume of inhaling food phase-match, improve atomized liquid availability factor and user experience effect.

Example 2

Embodiment 2 is an application embodiment of the current direction-adjustable atomizer heating circuit based on embodiment 1, and embodiment 2 provides a current direction-adjustable atomizer heating device, which includes a pluggable power supply terminal and an atomized liquid terminal, wherein the power supply terminal is provided with a first electrode and a second electrode, the atomized liquid terminal is provided with a first electrode contact corresponding to the first electrode and a second electrode contact corresponding to the second electrode, the power supply terminal and the atomized liquid terminal are electrically connected in a pluggable manner, and the power supply terminal supplies power to the atomized liquid terminal, so that atomized liquid at the atomized liquid terminal is liquefied to generate atomized gas.

Because the atomized liquid is the consumables, through the components of a whole that can function independently setting, the power end carries out the plug with the atomized liquid end and connects, directly changes the atomized liquid end after the atomized liquid has used up, and it is convenient to change, and the atomized liquid end sanitation and hygiene improves user experience effect.

By adopting the atomizer heating device with the adjustable current direction, the heating circuit comprises a heating element and a power supply circuit for supplying power to the heating element, wherein the power supply circuit comprises a first circuit and a second circuit, and the output ends of the first circuit and the second circuit are respectively and electrically connected with the two ends of the heating element; then set up respectively at first circuit and second circuit and go out the wiring end that can be used to be connected with the power electricity more, it is different when the wiring end that first circuit and second circuit access power, can obtain the different supply circuit of current direction, supply power for heating element with the different supply circuit of current direction, the voltage that can realize arbitrary cycle wave form gives the heater power supply, thereby realize the hot heating power adjustment of hair, so that accomplish the atomizing rate of atomized liquid, make the atomizing rate of atomized liquid need with the atomizing volume of inhaling food phase-match, improve atomized liquid availability factor and user experience effect.

Example 3

Embodiment 3 is based on the specific application of the atomizer heating circuit and the atomizer heating device with adjustable current direction of embodiments 1 and 2, and embodiment 3 provides an electronic atomizer, which includes the atomizer heating circuit with adjustable current direction and the atomizer heating device with adjustable current direction.

Referring to fig. 3, 4 and 5, the electronic atomizer comprises a power pack 100 and an atomizing assembly 200, wherein the power pack and the atomizing assembly are in pluggable electrical connection; because the atomized liquid is the consumables, set up power supply module 100 and atomization component 200 through the components of a whole that can function independently and carry out the plug and connect, set up heating circuit in atomization component 200 end, all set up controller, power, timing circuit and sampling circuit in power supply module 100 end, directly change atomization component 200 after the atomized liquid has used up, guarantee the quality of atomized liquid among the atomization component 200, improve user experience effect.

The atomizing assembly 200 is used for atomizing an atomizable liquid, the atomizing assembly 200 is provided with an air flow channel 230, an air inlet 210 and an air outlet 220, one end of the air flow channel 230 is communicated with the air inlet 210, and the other opposite end is communicated with the air outlet 220; the aforementioned nebulizable liquid is in a liquid state at normal temperature and can be stored in the nebulizing assembly 200. Such liquids atomize when heated to a certain temperature. The atomizing assembly 200 is provided with an atomizing core that can atomize the aerosolizable liquid by heating. When a user inhales at the air outlet 220 of the atomizing assembly 200, a negative pressure is generated in the air flow passage 230 because the air flow passage 230 communicates with the air outlet 220. Because the airflow channel 230 is in communication with the air inlet 210, air outside the atomizing assembly 200 enters the airflow channel 230 from the air inlet 210 under the negative pressure in the airflow channel. The gas entering the gas flow channel 230 mixes with the atomized liquid and exits through the gas outlet 220 and is inhaled by the user.

The power supply assembly 100 is used for providing electric energy for the atomizing assembly 200, the power supply assembly 100 and the atomizing assembly 200 are detachably connected at a first relative position or a second relative position, the power supply assembly 100 is provided with a first electrode and a second electrode, the atomizing assembly 200 is provided with a first electrode contact 251 corresponding to the first electrode and a second electrode contact 252 corresponding to the second electrode, a power supply of the power supply assembly 100 supplies power to the atomizing assembly 200, and then the liquid capable of being atomized is heated through a heating circuit in the atomizing assembly 200, so that atomized gas generated by atomization of atomized liquid enters the air flow channel 230 and is mixed with gas in the air flow channel 230, and a user can suck the atomized gas through the air outlet.

The power module 100 may be removably coupled to the atomizing assembly 200 in any one of two different relative positions, namely the first relative position and the second relative position described above. The foregoing relative positions refer to the relative positional relationship between both the power supply assembly 100 and the atomizing assembly 200, regardless of the positional relationship with other objects. Such as power module 100 on one side or the other of the atomizing assembly 200 along its length, such as power module 100 on one side or the other of the atomizing assembly 200 along its width, such as power module 100 at an angular position of the atomizing assembly 200, such as power module 100 at an axial position of the atomizing assembly 200, etc., the electrode contacts include a first electrode contact 251 and a second electrode contact 252 that are symmetrical about a reference plane.

An insertion hole 231 is formed at one end of the airflow channel 230 facing the air inlet 210, the atomizing assembly 200 is further provided with a slot 232 and a plurality of electrode contacts arranged in axial symmetry, the slot 232 is not communicated with the airflow channel 230, the slot 232 and the insertion hole 231 are located at the same end of the atomizing assembly 200, in this embodiment, the air inlet end of the airflow channel 230 is designed in the form of the insertion hole 231, the tail end of the insertion hole 231 is the air inlet 210, and the symmetry axes of the slot 232 and the insertion hole 231 are the same as the symmetry axes of the plurality of electrode contacts.

When electrical connection between the atomizing assembly 200 and the power supply assembly 100 is desired, electrodes are often disposed on the atomizing assembly 200 and the power supply assembly 100, wherein the portion of the atomizing assembly 200 that contacts the electrodes on the power supply is referred to herein as an electrode contact. The atomizing assembly 200 often has a plurality of electrodes, one electrode contact for each electrode. In this embodiment, the electrode contacts on the atomizing assembly 200 are arranged in an axisymmetric manner, that is, the projection of the electrode contacts on the atomizing assembly 200 on a reference plane perpendicular to the length direction of the electronic atomizer is symmetric with respect to a given symmetry axis on the reference plane.

With the foregoing arrangement, when there is a 180 degree difference between the first and second relative positions of the atomizing assembly 200 and the power module 100, the electrode contacts are identical in position and shape to the electrode contacts on the atomizing assembly 200 in the manner described above for the two different positions of connection. In this way, the electrode contacts on the atomizing assembly 200 form a reliable electrical connection with the power module 100 regardless of whether the atomizing assembly 200 and the power module 100 are connected in the first relative position or the second relative position. In a preferred embodiment, the electrode contacts on the power module 100 may also be arranged with an axis of symmetry that is the same as the axis of symmetry of the electrode contacts on the atomizing assembly 200.

When the power module 100 is connected to the atomizing module 200 at the first relative position, the first electrode contact 251 is electrically connected to the positive electrode of the power module 100, and the second electrode contact is electrically connected to the negative electrode of the power module 100; when the power module 100 is connected to the atomizing assembly 200 in the second relative position, the first electrode contact 251 is electrically connected to the negative electrode of the power module 100, and the second electrode contact is electrically connected to the positive electrode of the power module 100. The first relative position connection and the second relative position connection respectively correspond to two different sucking modes, and the sucking modes comprise mouth sucking and lung sucking; it should be noted that: the current direction flowing into the heating element by the heating circuit is different corresponding to the mouth suction and the lung suction, such as: when the current is from T1 to T2 during the oral inhalation, the current flows from T2 to T1 during the pulmonary inhalation, and further, when the user adopts the oral inhalation, the controller MCU outputs a control signal through the IO port to conduct the first MOS transistor Q1 and the third MOS transistor Q3, so that the current flows from T1 to T2; when the user adopts the lung inhalation, the controller MCU outputs a control signal through the IO port to conduct the second MOS transistor Q2 and the fourth MOS transistor Q4, so that the current flows from T2 to T1; when the user employs lung aspiration.

Pulmonary and oral aspirates are: the user inhales the different ways of atomizing gas that the atomizing liquid formed at the heat-generating body heating atomizing. The lung inhalation is that a user directly inhales the atomized gas converted from the atomized liquid into the lung, and has the characteristics of high speed and large inhalation amount; the mouth suction is that the user stays the atomized gas converted from the atomized liquid in the mouth for a certain time and then enters the lung, and has the characteristics of low suction speed, small single suction volume and long time.

Since the power module 100 has a positive output and a negative output, the electrode contacts of the atomizing module 200 in this embodiment are also provided with two electrode contacts that are symmetrical with respect to the reference plane. The coupling of the atomizing assembly 200 to the power module 100 in either the first or second relative positions enables positive and negative coupling to the power module 100. And the connection of the positive and negative poles of the power supply corresponding to the two relative positions is just opposite, and the control circuit in the power supply assembly 100 can quickly identify the relative position relationship between the atomization assembly 200 and the power supply assembly 100 when the atomization assembly is connected according to the polarity of the power supply connection.

In this embodiment, the plurality of axisymmetrically arranged electrode contacts further includes a third electrode contact 253, and the third electrode contact 253 is electrically connected to the signal input and/or output terminal of the power supply module 100.

The electronic atomizer of the present embodiment may utilize the third electrode contact 253 to enable the power module 100 and the atomizing assembly 200 to communicate information or data with each other via electrical signals. Wherein the third electrode contact 253 may be of a shape symmetrical about this axis as described above. In this embodiment, the power module 100 is provided with electrodes for transmitting signals.

It should be noted that: the connection in the first relative position is described as the atomizer assembly 200 being connected to the power supply assembly 100 in the forward direction, and the connection in the second relative position is described as the atomizer assembly 200 being connected to the power supply assembly 100 in the reverse direction.

By adopting the electronic atomizer, the heating circuit comprises the heating element and a power supply circuit for supplying power to the heating element, wherein the power supply circuit comprises a first circuit and a second circuit, and the output ends of the first circuit and the second circuit are respectively and electrically connected with the two ends of the heating element; then set up respectively at first circuit and second circuit and go out the wiring end that can be used to be connected with the power electricity more, it is different when the wiring end that first circuit and second circuit access power, can obtain the different supply circuit of current direction, supply power for heating element with the different supply circuit of current direction, the voltage that can realize arbitrary cycle wave form gives the heater power supply, thereby realize the hot heating power adjustment of hair, so that accomplish the atomizing rate of atomized liquid, make the atomizing rate of atomized liquid need with the atomizing volume of inhaling food phase-match, improve atomized liquid availability factor and user experience effect.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. An atomizer heating circuit with adjustable current direction, characterized in that, the heating circuit comprises a heating element and a power supply circuit, the heating element comprises a first end and a second end, and the power supply circuit comprises a first circuit and a second circuit; the first circuit is electrically connected with the first end of the heating element, the second circuit is electrically connected with the second end of the heating element, the first circuit and the second circuit respectively comprise at least two terminals, each terminal of the first circuit and each terminal of the second circuit form at least two power supply circuits in a one-to-one correspondence mode, and the current directions of at least two power supply circuits are different.

2. The adjustable current direction atomizer heating circuit according to claim 1, wherein the first circuit comprises a first sub-circuit and a second sub-circuit, input terminals of the first sub-circuit and the second sub-circuit are both configured to be connected to an enable signal control terminal, an enable signal of the enable signal control terminal is configured to control on/off of the first sub-circuit and the second sub-circuit, and output terminals of the first sub-circuit and the second sub-circuit are connected to a first terminal of the heating element in common.

3. The atomizer heating circuit with adjustable current direction according to claim 2, wherein the first sub-circuit comprises a first resistor, a second resistor and a first MOS transistor, a common point of a source of the first MOS transistor and one end of the first resistor is used for connecting to an enable signal control end, a common point of the other end of the first resistor and a gate of the first MOS transistor is connected to one end of the second resistor, and a common point of the other end of the second resistor and a drain of the first MOS transistor is connected to the first end of the heating element.

4. The heating circuit of atomizer with adjustable current direction according to claim 2, wherein said second sub-circuit comprises a third resistor and a second MOS transistor, a common point of a source of said second MOS transistor and one end of said third resistor is used for connecting to an enable signal control end, a common point of the other end of said third resistor and a gate of said second MOS transistor is connected to a first end of the heating element, and a drain of said second MOS transistor is grounded.

5. The adjustable current direction atomizer heating circuit according to claim 1, wherein the second circuit comprises a third sub-circuit and a fourth sub-circuit, input terminals of the third sub-circuit and the fourth sub-circuit are both used for connecting to an enable signal control terminal, an enable signal of the enable signal control terminal is used for controlling the third sub-circuit and the fourth sub-circuit to be switched on and off, and output terminals of the third sub-circuit and the fourth sub-circuit are connected to the second terminal of the heating element in a common point.

6. The heating circuit of atomizer with adjustable current direction according to claim 5, wherein said third sub-circuit comprises a fourth resistor and a third MOS transistor, a source of said third MOS transistor is connected to a control terminal of the enable signal at a common point with one terminal of the fourth resistor, another terminal of the fourth resistor is connected to a power supply at a common point with a gate of the third MOS transistor, and a drain of the third MOS transistor is connected to the second terminal of the heating element.

7. The heating circuit of atomizer with adjustable current direction according to claim 5, wherein said fourth sub-circuit comprises a fifth resistor and a fourth MOS transistor, a source of said fourth MOS transistor is connected to a control terminal of the enable signal at a common point with one terminal of the fifth resistor, another terminal of the fifth resistor is connected to a second terminal of the heating element at a common point with a gate of the fourth MOS transistor, and a drain of the fourth MOS transistor is grounded.

8. The adjustable current direction atomizer heating circuit of any one of claims 1 to 7, wherein the heating element is a heating wire, and an induction coil is wound around a pin of the heating wire.

9. An atomizer heating device with adjustable current direction, characterized in that, comprises the atomizer heating circuit with adjustable current direction of any one of claims 1 to 8.

10. An electronic atomizer, characterized in that, the electronic atomizer comprises a power supply module and an atomizing module, the atomizing module is provided with the atomizer heating circuit with adjustable current direction as claimed in any one of claims 1 to 8, wherein, the power supply module and the atomizing module are connected in a pluggable manner.

Images