CN215075510U - Power supply device and electronic atomizer - Google Patents
Power supply device and electronic atomizer Download PDFInfo
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- CN215075510U CN215075510U CN202120944920.4U CN202120944920U CN215075510U CN 215075510 U CN215075510 U CN 215075510U CN 202120944920 U CN202120944920 U CN 202120944920U CN 215075510 U CN215075510 U CN 215075510U
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Abstract
The utility model belongs to the technical field of the electronic atomization, the utility model provides a power supply unit and electronic atomizer. The power supply device is used for providing electric energy for the atomization device, and comprises: a housing provided with an accommodating cavity; the battery is positioned in the accommodating cavity; the first support faces towards one end of the atomizing device along the length direction of the power supply device, and a connecting portion is arranged on the connecting portion and penetrates through a mounting hole of the connecting portion along the length direction of the power supply device. At least one electrode, with the battery forms the electricity and connects, the electrode includes relative first end and the second end that sets up, first end is followed the mounting hole is worn out, the second end is located the mounting hole. The utility model discloses can avoid the electrode on the power supply unit to damage.
Description
Technical Field
The utility model belongs to the technical field of the electronic atomization, specifically a power supply unit and electronic atomizer.
Background
An electronic atomizer is an electronic product capable of heating and atomizing liquid, and the electronic product usually stores the liquid capable of atomizing. Since the electronic atomization device in the electronic atomizer atomizes the liquid which can be atomized by means of electric heating, the electronic atomizer needs a power supply device to increase the heating energy for the electronic atomizer. At present, the electrode is mostly adopted to electrically connect the battery in the power supply device and the heating device in the electronic atomization device. However, the end of the electrode is exposed in the accommodating cavity of the power supply device and is easily damaged by collision with other parts or structures of the power supply device.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a power supply device and an electronic atomizer, which are used to solve the technical problem that the electrodes in the conventional power supply device are easily damaged.
The utility model adopts the technical proposal that:
first aspect the utility model provides a power supply unit, power supply unit is used for providing the electric energy for atomizing device, include:
a housing provided with an accommodating cavity;
the battery is positioned in the accommodating cavity;
the first bracket is provided with a connecting part towards one end of the atomization device along the length direction of the power supply device, and the connecting part is provided with a mounting hole which penetrates through the connecting part along the length direction of the power supply device;
at least one electrode, with the battery forms the electricity and connects, the electrode includes relative first end and the second end that sets up, first end is followed the mounting hole is worn out, the second end is located the mounting hole.
Preferably, the inner wall of the mounting hole is provided with a limiting structure, and the limiting structure is used for limiting the axial position of the electrode.
Preferably, the limiting structure comprises a limiting step, a positioning ring is arranged on the side wall of the electrode, and the positioning ring is abutted to the limiting step.
Preferably, the end face of the electrode far away from the atomization device and the end face of the connecting part far away from the atomization device are away from each other by a first preset distance.
Preferably, the battery is electrically connected to the second end of the electrode through an electrical connection material.
Preferably, the power supply device includes a first electrode, a second electrode and a third electrode, the first electrode is used for being electrically connected with a positive electrode of the battery, the second electrode is used for being electrically connected with a negative electrode of the battery, and the third electrode is used for transmitting signals.
Preferably, the first electrode and the second electrode are symmetrical with respect to a reference plane, which is a plane parallel to a length direction of the power supply device.
Preferably, the first electrode, the second electrode and the third electrode are located at different vertices of the same triangle.
In a second aspect, the present invention further provides an electronic atomizer, which includes the atomizing device and the power supply device of the first aspect.
Preferably, the atomizing device comprises an electrode contact for electrically connecting with the electrode, the electrode is in contact with the atomizing device at the first position or the second position of the atomizing device, and the electrode contact covers the first position and the second position of the atomizing device.
Has the advantages that: the utility model discloses a power supply unit and electronic atomizer cross the mounting hole that sets up on first support connecting portion and install and fix a position the electrode on the power supply unit. And the first end of the electrode facing the atomization device penetrates out of the mounting hole, and the second end facing the battery is positioned in the mounting hole. In this way, the first end of the electrode, which is intended to be in contact with the electrode contact of the atomizer device, protrudes through the mounting hole, so that the power supply unit and the atomizer device can be connected with sufficient contact with the electrode contact of the atomizer device. And the other end of the electrode for making electrical connection with the battery is not exposed outside the mounting hole but is hidden in the mounting hole. Therefore, the electrode can be protected by the mounting hole and cannot collide with other parts in the accommodating cavity, so that the electrode is effectively prevented from being damaged, and more spaces are provided for the design of an internal structure.
Drawings
In order to more clearly illustrate the technical solution 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 creative efforts, other drawings can be obtained according to these drawings, and these drawings are all within the protection scope of the present invention.
Fig. 1 is a three-dimensional structural view of a power supply device of the present invention;
fig. 2 is an internal structure view of the power supply device of the present invention;
fig. 3 is a three-dimensional structural view of a first bracket of the present invention;
fig. 4 is a schematic diagram of the electrode arrangement of the power supply device of the present invention;
fig. 5 is a three-dimensional structure diagram of the atomization device of the present invention;
fig. 6 is a three-dimensional structure diagram of the middle electrode of the present invention;
fig. 7 is a cross-sectional view of a center mounting hole of the present invention;
fig. 8 is a schematic view of the electrode of the present invention installed in the mounting hole;
FIG. 9 is a schematic view of the shielding portion shielding the airflow passage according to the present invention;
FIG. 10 is a schematic view of the present invention showing the blocking portion not blocking the airflow passage;
description of reference numerals:
the power supply device 100, the shielding part 110, the first bracket 150, the connecting part 151, the mounting hole 152, the limiting step 153, the circuit board 160, the first electrode 161, the positioning ring 1611, the second electrode 162, the third electrode 163, the atomization device 200, the insertion hole 231, the insertion slot 232, the first electrode contact 251, the second electrode contact 252, and the third electrode contact 253.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined with the following description to clearly and completely describe the technical solution 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 device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, 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, various features of the embodiments and examples of the present invention may be combined with each other and are within the scope of the present invention.
Example 1
As shown in fig. 1, the embodiment of the present invention discloses a power supply device 100, and the power supply device 100 is used for providing electric energy for an atomizing device 200 in an electronic atomizer. The aforementioned atomizing device 200 is used to atomize an aerosolizable liquid. The aforementioned liquid that can be atomized is in a liquid state at normal temperature, and can be stored in the atomizing device 200. Such liquids atomize when heated to a certain temperature. The atomizing device 200 is provided with an atomizing core that can atomize the liquid to be atomized by means of heat. When a user inhales at the air outlet of the atomizing device 200, negative pressure is generated in the air flow channel because the air flow channel is communicated with the air outlet. Since the airflow channel is communicated with the air inlet, the air outside the atomizing device 200 enters the airflow channel from the air inlet under the action of the negative pressure in the airflow channel. The gas entering the gas flow channel is mixed with the atomized liquid and then flows out of the gas outlet and is inhaled into the body by a user. Since the nebulizable liquid is nebulized by heating, the power supply device 100 in this embodiment supplies electric power to the nebulizing device 200. The atomizing device 200 can heat the liquid to be atomized by the heating device so that the atomized liquid is mixed with the gas entering the gas flow channel.
As shown in fig. 1 and 2, the power supply device 100 of the present invention includes a housing, a battery, a first bracket 150, and at least one electrode: the shell is provided with an accommodating cavity; the battery is positioned in the accommodating cavity; the first bracket 150 is provided with a connecting part 151 facing one end of the atomization device 200 along the length direction of the power supply device 100, and the connecting part 151 is provided with a mounting hole 152 penetrating through the connecting part 151 along the length direction of the power supply device 100; the electrode is electrically connected to the battery, and as shown in fig. 8, the electrode includes a first end and a second end, which are oppositely disposed, the first end protrudes through the mounting hole 152, and the second end is located in the mounting hole 152. Herein, the length direction of the power supply device 100 is the x direction in fig. 5, the width direction of the power supply device 100 is the y direction in fig. 5, the thickness direction of the power supply device 100 is the direction perpendicular to both the x direction and the y direction, and the length direction, the width direction, and the thickness direction of the atomizing device 200 and the entire electronic atomizer coincide with the power supply device 100.
The main components of the power supply device 100 may be disposed in the receiving cavity of the housing, so that the housing protects the components. The battery is used for storing electric energy, and the circuit board 160 may be provided with a control circuit, so that the power supply mode of the battery can be controlled by the control circuit. In this embodiment, the electrodes are electrically connected to the battery, the electrodes are electrically connected to electrode contacts disposed on the atomizing device 200, and the electrode contacts on the atomizing device 200 are electrically connected to the heating element on the atomizing device 200. The electrical energy is thus transferred from the battery to the heating element via the electrodes of the power supply device 100, the electrode contacts on the atomizing device 200.
As shown in fig. 3, in order to facilitate fixing and mounting of the battery, the power supply apparatus 100 further includes a first bracket 150, and the battery is mounted and fixed by the first bracket 150. In order to facilitate the installation and removal of the battery, the first bracket 150 in this embodiment has a semi-enclosed structure, such as a C-shaped structure. Adopt half surrounding structure can follow trilateral battery location and installation, and the required operating space of installation and dismantlement battery can be reserved to the not enclosed one side.
In order to allow the electrode on the power supply device 100 to reliably contact the electrode contact on the atomizer 200, the present embodiment mounts and positions the electrode on the power supply device 100 through the mounting hole 152 provided in the connecting portion 151 of the first bracket 150. The mounting hole 152 and the electrode are disposed along the length direction of the power supply device 100, with one end facing the battery in the housing chamber and the other end facing the atomizer 200. The mounting hole 152 is a through hole penetrating the connecting portion 151 of the first bracket 150. The electrode is inserted into the mounting hole 152, and the first end of the electrode, which is used for contacting the electrode contact of the atomizer 200, protrudes out of the mounting hole 152, so that the power supply device 100 and the atomizer 200 can be connected to fully contact the electrode contact on the atomizer 200. And the other end of the electrode for making electrical connection with the battery is not exposed out of the mounting hole 152 but is hidden in the mounting hole 152. Thus, the electrode is protected by the mounting hole 152 and is not damaged by collision with other parts in the receiving cavity. In addition, the mounting hole 152 may be filled with an electrical connection material such as solder, and the second end of the electrode and the battery may be electrically connected by the electrical connection material. The battery may be electrically connected to the second end of the electrode through an electrical connection material, or the battery may be electrically connected to the circuit board 160, and the circuit board 160 is electrically connected to the second end of the electrode through an electrical connection material.
In this embodiment, an end surface of the electrode away from the atomization device 200 is a first preset distance away from an end surface of the connection portion 151 away from the atomization device 200. In order to ensure that the second end of the electrode is sufficiently protected, the present embodiment provides a safe distance, i.e. the aforementioned first predetermined distance. In this way, the second end of the electrode has a sufficient depth in the mounting hole 152, so as to prevent other parts from colliding with the second end of the electrode at a position near the mounting hole 152.
In this embodiment, the inner wall of the mounting hole 152 is provided with a limiting structure for limiting the axial position of the electrode. In this embodiment, the position of the electrode in the axial direction is defined by using the limiting structure arranged on the inner wall of the mounting hole 152, and since the length of the electrode is determined, the position of the second end face of the electrode from the end face of the mounting hole 152 can be accurately determined by defining the position of the electrode in the axial direction, so that the second end of the electrode is located in the safe position range.
In the present embodiment, as shown in fig. 7, the position-limiting structure includes a position-limiting step 153, and as shown in fig. 6, a positioning ring 1611 is disposed on the side wall of the electrode, and the positioning ring 1611 abuts against the position-limiting step 153. With the foregoing structure, as shown in fig. 8, the electrode is inserted into the mounting hole 152 from the mounting hole 152 toward one end of the atomizer 200 during assembly, and is inserted further toward the battery along the axial direction of the mounting hole 152 until the positioning ring 1611 on the electrode abuts against the step in the mounting hole 152, at which time the second end of the electrode is located at the preset axial position. By adopting the structure, the installation is convenient, the positioning is accurate, and the damage to the second end of the electrode can be effectively avoided.
In addition, in this embodiment, a protruding portion is formed on an end surface of the connecting portion 151 facing the atomizing device 200, and the protruding portion located around the mounting hole 152 can protect the first end of the electrode on the one hand and can be matched with the end surface of the atomizing device 200 on the other hand, so that when the atomizing device 200 is connected to the power supply device 100, the first end of the electrode can be reliably contacted with the electrode contact of the atomizing device 200.
As shown in fig. 4, in the present embodiment, the power supply device 100 includes a first electrode for electrically connecting to a positive electrode of the battery, a second electrode 162 for electrically connecting to a negative electrode of the battery, and a third electrode 163 for transmitting a signal.
In this embodiment, a third electrode 163 is provided in addition to the first and second electrodes 162 connected to the positive and negative electrodes of the battery. This allows for communication with other electronic devices or equipment using the current signal or the voltage signal on the third electrode 163.
As a preferable embodiment, in the present embodiment, the first and second electrodes 162 are symmetrical with respect to a reference plane, which is a plane parallel to the length direction of the power supply device 100. The foregoing structure is used in the case where the atomizer 200 and the power supply device 100 can be connected by both forward and reverse insertion. The first and second electrodes 162 are symmetrical about a reference plane, so that the atomizing device 200 can be in contact with both the first and second electrodes 162 when connected to the power supply device 100 at two positions that are 180 degrees apart without changing the position and size of the original electrode contacts.
In this embodiment, the first electrode, the second electrode 162 and the third electrode 163 are located at different vertexes of the same triangle. The first electrode, the second electrode 162 and the third electrode 163 are arranged in the above manner, so that the third electrode 163 for transmitting signals can be staggered from the first electrode and the second electrode 162 by a certain distance, and the third electrode 163 is prevented from being interfered by the first electrode and the second electrode 162 when being aligned with the first electrode and the second electrode 162.
In this embodiment, an insertion hole 231 is formed at an end of the airflow channel facing the air inlet, and as shown in fig. 7, when the power supply device 100 is connected to the atomization device 200 at a first relative position, the shielding portion 110 is located in the insertion hole 231; as shown in fig. 6, when the power supply device 100 is connected to the atomizer 200 at the second relative position, the shielding portion 110 is located outside the insertion hole 231.
In this embodiment, the power supply device 100 can be detachably connected to the atomizing device 200 at any one of two different relative positions, namely, the first relative position and the second relative position. The foregoing relative positions refer to the relative positional relationship between the power supply device 100 and the atomizing device 200, regardless of the positional relationship with other objects. For example, the power supply device 100 is located on one side or the other side of the atomizer 200 along the length direction thereof, or the power supply device 100 is located on one side or the other side of the atomizer 200 along the width direction thereof, for example, the power supply device 100 is located at a certain angular position of the atomizer 200, for example, the power supply device 100 is located at a certain axial position of the atomizer 200, and the like.
In the present embodiment, an air inlet end of the air flow channel is designed in the form of a plug hole 231, and a tail end of the plug hole 231 is an air inlet. The shielding portion 110 of the power supply device 100 can be inserted into the insertion hole 231. When the user uses the mouth-sucking mode, the power supply device 100 is connected with the atomizing device 200 at a first relative position, and the inserting hole 231 can be used as an inserting positioning structure and a connecting structure. The user can insert the shielding portion 110 into the insertion hole 231, so that the power supply device 100 and the atomizing device 200 can be connected with high reliability and accurate positions. Meanwhile, since the shielding portion 110 is a part of the airflow channel, after the shielding portion 110 is inserted into the insertion hole 231, at least a part of the insertion hole 231 can be shielded, so that the other flow cross-sectional area in the airflow channel is reduced. Wherein the size of the insertion hole 231 can be set according to the flow rate of the inhaled air when the user inhales the lung. And the size of the shielding part 110 can be designed according to the flow rate of the inhaled air when the user inhales.
In this embodiment, the atomizing device 200 is further provided with a slot 232, the slot 232 is not communicated with the airflow channel, the slot 232 and the insertion hole 231 are located at the same end of the atomizing device 200, and when the power supply device 100 is connected with the atomizing device 200 at the second relative position, the shielding portion 110 is located in the insertion slot.
In this embodiment, the slot 232 and the insertion hole 231 may be disposed at the first end of the atomization device 200 connected to the power supply device 100. As shown in fig. 9, when the user uses the mouth-sucking mode, the power supply device 100 is connected to the atomization device 200 at a first relative position, and the shielding portion 110 is located in the insertion hole 231 and shields a part of the airflow channel. As shown in fig. 9, when the user uses the mouth-inhaling mode, the power supply device 100 is connected to the atomizer 200 at a second relative position, the shielding portion 110 is located in the slot 232, and the airflow path is not shielded. At this time, the insertion groove can be used as a limiting structure and a connecting structure, and the power supply device 100 and the atomization device 200 can be connected with the insertion groove 232 at a precise position and with high reliability through the shielding part 110.
In this embodiment, an accommodating cavity is disposed at an end of the power supply device 100 facing the atomizing device 200, a connecting portion having a shape matched with that of an inner wall of the accommodating cavity is disposed at an end of the atomizing device 200 facing the power supply device 100, an opening of the slot 232 and an opening of the insertion hole 231 are located at a side of the connecting portion facing the power supply device 100, the connecting portion is inserted into the accommodating cavity, the shape of the inner wall of the accommodating cavity is symmetrical with respect to a reference plane, positions of the slot 232 and the insertion hole 231 are symmetrical with respect to the reference plane, and the reference plane is a plane parallel to a length direction of the power supply device 100.
After the connection, the end of the atomization device 200 for connection can enter the accommodating cavity of the power supply device 100, so that the connection part is not exposed, and the integrity of the atomization device 200 and the power supply device 100 is stronger when viewed from the outside. While the connection structure of the connection portion may also be protected by the case 130 of the power supply device 100. In addition, the present embodiment sets the shape of the inner wall of the accommodation chamber, the shape of the end to which the atomizer 200 is attached, and the positions of the insertion groove 232 and the insertion hole 231 to be symmetrical with respect to the same reference plane. Thus, when the user uses the way of sucking mouth, the shielding portion 110 can be inserted into the insertion hole 231, and the power supply device 100 is connected with the atomization device 200 at the first relative position. When the user switches the mouth-inhaling mode to the lung-inhaling mode, the atomizer 200 may be detached from the power supply device 100, and then the atomizer 200 may be rotated 180 degrees and the shielding portion 110 may be inserted into the insertion hole 231, such that the power supply device 100 and the atomizer 200 are connected at the second relative position. Because the shape of the inner wall of the accommodating cavity and the shape of the end of the atomizing device 200 connected with the atomizing device are symmetrical about the reference plane, the atomizing device 200 and the power supply device 100 can form reliable connection at the two opposite positions, and the appearance of the electronic atomizer cannot be changed by the two plugging modes. The structure of the embodiment enables the user to realize the switching between the two air suction modes by rotating the atomizing device 200 180 degrees relative to the power supply device 100, and the operation is simple and convenient.
Example 2
The present embodiment provides an electronic atomizer including the atomizing device 200 and the power supply device 100 described in embodiment 1. The atomizer 200 is provided with electrode contacts, and the electrode contacts on the atomizer 200 are in contact with the electrodes on the power supply device 100.
When the atomizer 200 and the power supply device 100 are connected in two different relative positions, the position of the electrode in contact with the atomizer 200 is also different. In this embodiment, the electrode is in contact with the atomization device 200 in the first position or the second position of the atomization device 200, and the electrode contact covers the first position and the second position of the atomization device 200. This allows for reliable contact with the electrode contacts of the atomizing device 200 whether the electrode is in contact with the atomizing device 200 in the first position or in the second position.
As shown in fig. 5, when the electrodes include a first electrode, a second electrode 162, and a third electrode 163, the electrode contacts on the atomizing device 200 also include a first electrode contact 251, a second electrode contact 252, and a third electrode contact 253, respectively. Wherein the first electrode contact 251 and the second electrode contact 252 are in contact with the first electrode and the second electrode 162, respectively. The third electrode 163 is in contact with the third electrode contact 253 to enable communication between the atomizing device 200 and the power supply device 100.
When the first and second electrodes 162 are symmetrical with respect to the reference plane, the first and second electrode contacts 251 and 252 are also symmetrical with respect to the reference plane. When the first, second and third electrodes 162 and 163 are located at different vertices of the same triangle, the first, second and third electrode contacts 251, 252 and 253 are also located at different vertices of the same triangle. The third electrode contact 253 may be rectangular, and the length of the side of the rectangle is greater than or equal to that of the rectangle, so that the third electrode contact 253 can be reliably contacted with the electrode when the atomization device 200 and the power supply device 100 are connected at two different relative positions.
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; although the present invention has been described in detail with reference to the foregoing embodiments, it should 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; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. Power supply unit, power supply unit is used for providing the electric energy for atomizing device, its characterized in that includes:
a housing provided with an accommodating cavity;
the battery is positioned in the accommodating cavity;
the first bracket is provided with a connecting part towards one end of the atomization device along the length direction of the power supply device, and the connecting part is provided with a mounting hole which penetrates through the connecting part along the length direction of the power supply device;
at least one electrode, with the battery forms the electricity and connects, the electrode includes relative first end and the second end that sets up, first end is followed the mounting hole is worn out, the second end is located the mounting hole.
2. The power supply device according to claim 1, wherein an inner wall of the mounting hole is provided with a stopper structure for defining an axial position of the electrode.
3. The power supply device according to claim 2, wherein the limiting structure comprises a limiting step, and a positioning ring is arranged on the side wall of the electrode and abuts against the limiting step.
4. The power supply device according to claim 3, wherein an end surface of the electrode away from the atomizing device is a first preset distance from an end surface of the connecting portion away from the atomizing device.
5. The power supply device according to claim 1, wherein the battery is electrically connected to the second end of the electrode through an electrical connection material.
6. The power supply device according to any one of claims 1 to 5, characterized by comprising a first electrode for electrically connecting with a positive electrode of the battery, a second electrode for electrically connecting with a negative electrode of the battery, and a third electrode for transmitting a signal.
7. The power supply device according to claim 6, wherein the first electrode and the second electrode are symmetrical with respect to a reference plane, which is a plane parallel to a length direction of the power supply device.
8. The power supply device according to claim 6, wherein the first electrode, the second electrode, and the third electrode are located at different vertices of the same triangle.
9. Electronic atomiser, characterised in that it comprises atomising means and a power supply means according to any of claims 1 to 8.
10. The electronic atomizer of claim 9, wherein said atomizing means comprises an electrode contact for electrically connecting with said electrode, said electrode being in contact with said atomizing means in either the first position or the second position of the atomizing means, said electrode contact covering both the first position and the second position of the atomizing means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120944920.4U CN215075510U (en) | 2021-05-05 | 2021-05-05 | Power supply device and electronic atomizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120944920.4U CN215075510U (en) | 2021-05-05 | 2021-05-05 | Power supply device and electronic atomizer |
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| Publication Number | Publication Date |
|---|---|
| CN215075510U true CN215075510U (en) | 2021-12-10 |
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| CN202120944920.4U Active CN215075510U (en) | 2021-05-05 | 2021-05-05 | Power supply device and electronic atomizer |
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| CN (1) | CN215075510U (en) |
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- 2021-05-05 CN CN202120944920.4U patent/CN215075510U/en active Active
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