Atomizing head assembly and atomizer

Abstract

The utility model discloses an atomizing head assembly and an atomizer, and relates to the technical field of atomizers. The atomizing head assembly comprises a bottom cover, an atomizing circuit board, a heat dissipation shielding cover and an atomizing sheet, the bottom cover is provided with a mounting cavity, and a first limiting structure is arranged in the mounting cavity; the atomization circuit board is arranged in the mounting cavity, and the atomization circuit board is provided with a second limiting structure corresponding to the first limiting structure; the heat dissipation shielding cover covers the surface of the mounting cavity, the heat dissipation shielding cover is provided with a third limiting structure corresponding to the second limiting structure, the surface of the heat dissipation shielding cover is provided with a placement cavity, and the placement cavity is provided with a through hole; the atomization piece is arranged in the containing cavity, and a circuit of the atomization circuit board penetrates through the through hole to be electrically connected with the atomization piece. The atomizing head assembly is small in size, capable of effectively shielding radiation and good in heat dissipation performance.

Description

TECHNICAL FIELD

[0001] The utility model relates to atomizer technical field especially is related to a kind of atomizing head subassembly and atomizer. BACKGROUND

[0002] Atomizer is generally using atomizing piece to atomize liquid, to spray mist, atomizer can be used as air humidifier or medical atomizer etc.. Atomizing piece needs to be driven by atomizing circuit board in working process, atomizing piece and atomizing circuit board constitute the assembly of atomizing head. Since atomizing head needs to work in liquid environment, atomizing circuit board has the risk of being damaged by contacting moisture, and if atomizing circuit board is set in completely closed space, circuit board can be burned due to excessive temperature. At the same time, the structure design of the existing atomizing head is relatively complex, and occupies a large space, which cannot be well applied to different models of atomizers on the market. In addition, the internal atomizing head of the existing atomizer has large radiation when working, which is easy to cause electromagnetic interference to other electrical equipment, affects the normal work of other electrical equipment, and is difficult to meet the requirements of EMC detection. SUMMARY

[0003] The utility model aims at at least solving one of the technical problems existing in the prior art. For this purpose, the utility model provides an atomizing head assembly and an atomizer, which have good sealing, reliability and heat dissipation, and can shield radiation.

[0004] In the first aspect, according to the atomizing head assembly of the utility model embodiment, it comprises:

[0005] The bottom cover is provided with a mounting cavity, and the mounting cavity is provided with a first limiting structure;

[0006] The atomizing circuit board is arranged in the mounting cavity, and the atomizing circuit board is provided with a second limiting structure corresponding to the first limiting structure;

[0007] The heat dissipation shield cover is arranged on the surface of the mounting cavity, and the heat dissipation shield cover is provided with a third limiting structure corresponding to the second limiting structure, and the surface of the heat dissipation shield cover is provided with a placing cavity, and the placing cavity is provided with a through hole;

[0008] The atomizing piece is arranged in the placing cavity, and the circuit of the atomizing circuit board passes through the through hole and is electrically connected with the atomizing piece;

[0009] Among them, through the first limiting structure, the second limiting structure and the third limiting structure, the fixed connection of the bottom cover, the atomizing circuit board and the heat dissipation shield cover is realized, and the atomizing circuit board is filled with glue; The heat dissipation shield cover can be in contact with the liquid in the atomizer.

[0010] According to some embodiments of the utility model, the atomization circuit board is provided with a power component arranged downward, and the inner bottom surface of the bottom cover is provided with a heat dissipation boss in contact with the power component.

[0011] According to some embodiments of the utility model, the first limiting structure comprises two first limiting columns arranged diagonally, and the first limiting columns are provided with first limiting holes.

[0012] According to some embodiments of the utility model, the second limiting structure comprises two limiting blocks arranged diagonally, and the limiting blocks are provided with second limiting holes matched with the first limiting holes.

[0013] According to some embodiments of the utility model, the third limiting structure comprises two second limiting columns arranged diagonally, and the second limiting columns are provided with third limiting holes matched with the second limiting holes; the bottom cover, the atomization circuit board and the heat dissipation shield cover are fixedly connected by screwing through the third limiting holes, the second limiting holes and the first limiting holes.

[0014] According to some embodiments of the utility model, the heat dissipation shield cover is further provided with mounting blocks arranged diagonally, and the mounting blocks are provided with mounting holes.

[0015] In the second aspect, the atomizer according to the embodiments of the utility model comprises:

[0016] A water tank, wherein the water tank stores liquid inside;

[0017] The atomization head assembly according to the first aspect of the embodiments is arranged in the water tank, and the heat dissipation shield cover and the atomization piece are in contact with the liquid.

[0018] According to some embodiments of the utility model, a mist guide pipe is arranged in the water tank, the mist guide pipe covers the atomization head assembly, and the mist guide pipe is provided with a water inlet.

[0019] According to some embodiments of the utility model, the water tank comprises a water tank cover, one side of the water tank cover towards the mist guide pipe is provided with a mist guide column, the lower end of the mist guide column is in communication with the upper end of the mist guide pipe, the top of the water tank cover is provided with a top cover, the top cover is provided with a mist outlet, and the mist outlet is in communication with the upper end of the mist guide column.

[0020] According to some embodiments of the utility model, the atomizer is provided with a temperature sensor and a liquid level sensor.

[0021] According to the atomizing head assembly and the atomizer, the atomizing circuit board is placed in the mounting cavity of the bottom cover, then the atomizing circuit board is covered by the heat dissipation shielding cover, and finally the atomizing circuit board is glued, so that the fixing and sealing of the atomizing circuit board are completed, and good sealing performance is achieved.

[0022] Additional aspects and advantages of the present application will be described in the following description, become apparent from the following description, or be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0023] The above and / or additional aspects and advantages of the present application will become apparent and be readily understood from the following description, taken in conjunction with the accompanying drawings, in which:

[0024] Figure 1 It is a structure schematic view of the atomizing head assembly of the embodiment of the present application;

[0025] Figure 2 It is an explosion schematic view of the atomizing head assembly of the embodiment of the present application;

[0026] Figure 3 It is a structure schematic view of the atomizing circuit board of the embodiment of the present application;

[0027] Figure 4 It is a structure schematic view of the bottom cover of the embodiment of the present application;

[0028] Figure 5 It is an explosion schematic view of the atomizer of the embodiment of the present application;

[0029] Figure 6 It is an explosion schematic view of the atomizer of the embodiment of the present application from another perspective;

[0030] REFERENCE NUMERALS

[0031] Bottom cover 100, mounting cavity 110, first limiting structure 120, first limiting column 121, first limiting hole 122, heat dissipation boss 130, atomization circuit board 200, second limiting structure 210, limiting block 211, second limiting hole 212, power component 220, heat dissipation shield cover 300, placing cavity 310, through hole 320, mounting block 330, mounting hole 340, third limiting structure 350, second limiting column 351, third limiting hole 352, water tank 400, mist guide pipe 410, water inlet 411, water tank cover 420, mist guide column 421, top cover 430, mist outlet 431. DETAILED DESCRIPTION

[0032] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only, and are only used to explain the present application, and cannot be understood as a limitation of the present application. For the step numbers in the following embodiments, they are only set for the convenience of description and explanation, and the order between the steps is not limited in any way, and the execution order of each step in the embodiments can be adaptively adjusted according to the understanding of those skilled in the art.

[0033] In the description of the present application, it should be understood that, in relation to the orientation description, for example, the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0034] The terms "first", "second", "third", and "fourth" and the like in the description, claims, and drawings of the present application are used to distinguish different objects, and are not used to describe a particular order. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or device that includes a series of steps or units is not limited to the listed steps or units, but can optionally include steps or units not listed, or can optionally include other steps or units inherent to the process, method, product, or device.

[0035] Reference to "embodiments" in this summary is meant to refer to particular features, structures or characteristics described in connection with the embodiments as described in this document. At various places in the specification, the phrase "one embodiment" or other variations thereof are used. The phrase is not intended to mean that a particular feature, structure or characteristic is being disclosed in only one embodiment. While the application has been illustrated by a description of the embodiments thereof, it is clear that changes can be made in the details and arrangements of parts without departing from the scope of the application as set forth in the appended claims. The skilled person will understand that the embodiments described herein can be combined with each other.

[0036] The atomizer generally uses an atomizing piece to atomize liquid, thereby spraying mist, and can be used as an air humidifier or a medical atomizer. In the working process of the atomizing piece, the atomizing piece needs to be driven by an atomizing circuit board, and the atomizing piece and the atomizing circuit board constitute an atomizing head assembly. Since the atomizing head needs to work in a liquid environment, the atomizing circuit board is at risk of being damaged due to contact with moisture; if the atomizing circuit board is arranged in a completely closed space, the circuit board may be burned due to excessively high temperature. Meanwhile, the structure of the existing atomizing head is relatively complex and occupies a large space, and cannot be well applied to different models of atomizers on the market. In addition, the existing atomizer has a large external radiation of the atomizing head in the working process, which is easy to cause electromagnetic interference to other electrical equipment, affects the normal work of the other electrical equipment, and is difficult to meet the EMC detection requirement. EMC refers to Electro Magnetic Compatibility, which refers to the ability of a device or system to function in its electromagnetic environment without causing unacceptable electromagnetic disturbance to anything in the environment.

[0037] To solve the above problems, the utility model discloses an atomizing head assembly and atomizer, atomizing circuit board is placed in the installation cavity of bottom cover, then through the heat dissipation shield cover cover atomizing circuit board, finally to atomizing circuit board is filled with glue, complete atomizing circuit board's fixed and closed, with good tightness. The heat dissipation shield cover plays a role in shielding radiation in addition to the atomizing circuit board, avoiding electromagnetic interference to other electrical equipment in the working process of the atomizing head assembly, affecting the normal work of the other electrical equipment, so that the atomizing head assembly can meet the EMC detection requirement. In addition, the heat dissipation shield cover contacts the liquid in the atomizer during the working process of the atomizing head assembly, and the heat dissipation shield cover is cooled by the liquid in the atomizer, so that the heat dissipation shield cover carries away the heat generated by the atomizing circuit board, avoiding damage to the circuit caused by excessively high temperature. The atomizing circuit board and the atomizing piece are located on the two sides of the heat dissipation shield cover, the whole atomizing head assembly has a small volume, can save the occupied space, and facilitates the assembly of the atomizing head assembly and external products.

[0038] The atomizing head assembly and the atomizer will be described in detail below with reference to the drawings.

[0039] In one aspect, the utility model discloses an atomizing head assembly, like Figure 1 And Figure 2 As shown in the figure, the atomizing head assembly comprises a bottom cover 100, an atomizing circuit board 200, a heat dissipation shielding cover 300 and an atomizing sheet (not shown in the figure), wherein the bottom cover 100 is provided with a mounting cavity 110, and the mounting cavity 110 is provided with a first limiting structure 120; the atomizing circuit board 200 is arranged in the mounting cavity 110, and the atomizing circuit board 200 is provided with a second limiting structure 210 corresponding to the first limiting structure 120; the heat dissipation shielding cover 300 is arranged on the surface of the mounting cavity 110, and the heat dissipation shielding cover 300 is provided with a third limiting structure 350 corresponding to the second limiting structure 210; the surface of the heat dissipation shielding cover 300 is provided with a placing cavity 310, and the placing cavity 310 is provided with a through hole 320; the atomizing sheet is arranged in the placing cavity 310, and the circuit of the atomizing circuit board 200 is electrically connected with the atomizing sheet through the through hole 320. Through the first limiting structure 120, the second limiting structure 210 and the third limiting structure 350, the bottom cover 100, the atomizing circuit board 200 and the heat dissipation shielding cover 300 are fixedly connected, and the atomizing circuit board 200 is filled with glue; the heat dissipation shielding cover 300 can be in contact with the liquid in the atomizer.

[0040] According to the atomizing head assembly, the atomizing circuit board 200 is provided with a driving circuit, and the circuit of the atomizing circuit board 200 is connected with the atomizing sheet through the through hole 320, so that the driving circuit can drive the atomizing sheet to work. The atomizing circuit board 200 is placed in the mounting cavity 110 of the bottom cover 100, then the atomizing circuit board 200 is covered by the heat dissipation shielding cover 300, and finally the atomizing circuit board 200 is filled with glue, so that the atomizing circuit board 200 is fixed and sealed, and has good sealing performance. The heat dissipation shielding cover 300 not only plays a role in dissipating heat of the atomizing circuit board 200, but also plays a role in shielding radiation, so that the atomizing head assembly can meet the requirements of EMC detection. In addition, in the working process of the atomizing head assembly, the heat dissipation shielding cover 300 can contact the liquid in the atomizer, so that the heat dissipation shielding cover 300 is cooled by the liquid in the atomizer, the heat generated by the atomizing circuit board 200 is taken away by the heat dissipation shielding cover 300, and damage to the circuit caused by high temperature is avoided. The atomizing circuit board 200 and the atomizing sheet are located on the two sides of the heat dissipation shielding cover 300, the volume of the whole atomizing head assembly is small, the occupied space can be saved, and the assembly of the atomizing head assembly and external products is facilitated. Therefore, according to the atomizing head assembly, the sealing performance and reliability are good, radiation can be effectively shielded, the requirements of EMC detection can be met, the heat dissipation capacity is good, the volume is small, the structure is simple, and assembly is facilitated.

[0041] Further, as shown in Figure 3 and Figure 4 In some embodiments of the utility model, the atomization circuit board 200 is provided with power components 220 arranged downward, and the inner bottom surface of the bottom cover 100 is provided with heat dissipation bosses 130 in contact with the power components 200. It should be noted that the atomization circuit board 200 is provided with a driving circuit for driving the atomization piece to work, and some power components 220 with large power, such as MOS tube, are used in the driving circuit. These power components 220 will generate a large amount of heat during work, which may cause damage to the power components 220 if not dissipated in time. Therefore, the heat dissipation bosses 130 in direct contact with the power components 200 are arranged on the inner bottom surface of the bottom cover 100, which can dissipate heat from the power components 220 through the heat dissipation bosses 130 and improve the heat dissipation efficiency.

[0042] Further, as shown in Figure 2 and Figure 4 In some embodiments of the utility model, the first limiting structure 120 includes two first limiting columns 121 arranged diagonally, and the first limiting column 121 is provided with a first limiting hole 122. Among them, the first limiting column 121 plays a role in supporting the atomization circuit board 200; the first limiting hole 122 can be a threaded hole, which can limit and fix the atomization circuit board 200 by cooperating with the screw.

[0043] Further, as shown in Figure 2 In some embodiments of the utility model, the second limiting structure 210 includes two limiting blocks 211 arranged diagonally, and the limiting block 211 is provided with a second limiting hole 212 matched with the first limiting hole 122. Among them, when the atomization circuit board 200 is placed in the mounting cavity 110, the limiting block 211 is placed on the first limiting column 121, at this time, the second limiting hole 212 and the first limiting hole 122 are just aligned, and the atomization circuit board 200 can be fixed in the mounting cavity 110 by screwing the screw into the second limiting hole 212 and the first limiting hole 122.

[0044] Further, as shown in Figure 2 In some embodiments of the utility model, the third limiting structure 350 includes two second limiting columns 351 arranged diagonally, and the second limiting column 351 is provided with a third limiting hole 352 matched with the second limiting hole 212. By screwing the screw through the third limiting hole 352, the second limiting hole 212 and the first limiting hole 122, the fixed connection of the bottom cover 100, the atomization circuit board 200 and the heat dissipation shield cover 300 can be realized. Through the setting, the atomization circuit board 200 can be conveniently installed, fixed and closed, and the structure is simple and convenient to operate.

[0045] Further, as shown in Figure 2As shown, in some embodiments of the utility model, the heat dissipation shield cover 300 is further provided with mounting block 330 which is diagonally arranged, and the mounting block 330 is provided with mounting hole 340. By arranging the mounting block 330 and the mounting hole 340 on both sides of the heat dissipation shield cover 300, the heat dissipation shield cover 300 can be conveniently connected and fixed with external structures.

[0046] On the other hand, the utility model further provides an atomizer, as shown in Figure 5 and Figure 6 The atomizer comprises a water tank 400 and an atomizing head assembly, the water tank 400 stores liquid inside, the atomizing head assembly is arranged in the water tank 400, and the heat dissipation shield cover 300 and the atomizing sheet are in contact with the liquid. Specifically, in actual application, the atomizing head assembly is placed in the water tank 400, since the water tank 400 stores liquid, when the atomizing sheet works, the liquid can be atomized to generate mist. At the same time, since the liquid in the water tank 400 is in contact with the heat dissipation shield cover 300, the heat generated by the atomizing circuit board 200 can be taken away.

[0047] Further, as shown in Figure 5 In some embodiments of the utility model, a mist guide pipe 410 is arranged in the water tank 400, the mist guide pipe 410 covers the atomizing head assembly, and the mist guide pipe 410 is provided with a water inlet 411. By covering the atomizing head assembly with the mist guide pipe 410 and arranging the water inlet 411 on the mist guide pipe 410, the liquid in the water tank 400 can enter the mist guide pipe 410 through the water inlet 411 and be in contact with the atomizing head assembly, after the atomizing head assembly atomizes the liquid, the mist can be sprayed outwards along the mist guide pipe 410, thereby improving the mist output efficiency of the atomizer.

[0048] Further, as shown in Figure 5 In some embodiments of the utility model, the water tank 400 comprises a water tank cover 420, one side of the water tank cover 420 towards the mist guide pipe 410 is provided with a mist guide column 421, the lower end of the mist guide column 421 is in communication with the upper end of the mist guide pipe 410, the top of the water tank cover 420 is provided with a top cover 430, the top cover 430 is provided with a mist outlet 431, and the mist outlet 431 is in communication with the upper end of the mist guide column 421. The water tank cover 420 is used for covering the water tank 400, after the atomizing head assembly atomizes the liquid, the mist can enter the mist guide column 421 along the mist guide pipe 410 and finally be sprayed outwards through the mist outlet 431, thereby improving the mist output efficiency of the atomizer.

[0049] Further, in some embodiments of the utility model, a temperature sensor and a liquid level sensor are arranged in the atomizer. The temperature sensor is used for detecting the temperature inside the atomizer to prevent the product from being damaged due to excessively high temperature. The liquid level sensor is used for detecting the liquid height in the water tank 400 to prevent dry burning.

[0050] The atomizer has good reliability and heat dissipation, and can avoid radiation, and has good mist output efficiency.

[0051] It should be noted that the atomizer is only one application scenario of the atomizing head assembly, and the atomizing head assembly can also be applied to other types of atomizers.

[0052] The above is a specific description of the preferred embodiment of the present application, but the present application is not limited to the above-mentioned embodiments, and those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the present application. The scope of the present application is defined by the scope of the claims.

Claims

1. An atomizing head assembly, characterized by, The application relates to an atomizer head assembly. The bottom cover is provided with a mounting cavity, and a first limiting structure is arranged in the mounting cavity; An atomization circuit board is arranged in the mounting cavity, and the atomization circuit board is provided with a second limiting structure corresponding to the first limiting structure; A heat dissipation shielding cover is arranged on the surface of the mounting cavity, and the heat dissipation shielding cover is provided with a third limiting structure corresponding to the second limiting structure; the surface of the heat dissipation shielding cover is provided with a placing cavity, and the placing cavity is provided with a through hole; An atomization piece is arranged in the placing cavity, and the circuit of the atomization circuit board is electrically connected with the atomization piece through the through hole; The first limiting structure, the second limiting structure and the third limiting structure are used to realize the fixed connection of the bottom cover, the atomization circuit board and the heat dissipation shielding cover, and glue is filled in the atomization circuit board; the heat dissipation shielding cover can be in contact with liquid in the atomizer.

2. The atomizing head assembly of claim 1, wherein, The atomization circuit board is provided with a power component arranged downwards, and the inner bottom surface of the bottom cover is provided with a heat dissipation boss in contact with the power component.

3. The atomizing head assembly of claim 1, wherein, The first limiting structure comprises two first limiting columns arranged at an angle, and the first limiting columns are provided with first limiting holes.

4. The atomizing head assembly of claim 3, wherein, The second limiting structure comprises two limiting blocks arranged at an angle, and the limiting blocks are provided with second limiting holes matched with the first limiting holes.

5. The atomizing head assembly of claim 4, wherein, The third limiting structure comprises two second limiting columns arranged at an angle, and the second limiting columns are provided with third limiting holes matched with the second limiting holes; the bottom cover, the atomization circuit board and the heat dissipation shielding cover are fixedly connected through the third limiting holes, the second limiting holes and the first limiting holes.

6. The atomizing head assembly of claim 1, wherein, The heat dissipation shielding cover is further provided with mounting blocks arranged at an angle, and the mounting blocks are provided with mounting holes.

7. An atomiser characterised in that, The application relates to an atomizer head assembly. The water tank is provided with a guide mist pipe, and the guide mist pipe covers the atomizer head assembly and is provided with a water inlet. The water tank is provided with a water tank cover, one side of the water tank cover is provided with a guide mist column in contact with the upper end of the guide mist pipe, the top of the water tank cover is provided with a top cover, the top cover is provided with a mist outlet, and the mist outlet is in communication with the upper end of the guide mist column.

8. The atomizer of claim 7, wherein, The atomizer is provided with a temperature sensor and a liquid level sensor.

9. The atomizer of claim 8, wherein, ​ 10. The atomizer of claim 7, wherein, ​

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