CN217854118U

CN217854118U - Humidifier and breathing machine

Info

Publication number: CN217854118U
Application number: CN202221397696.2U
Authority: CN
Inventors: 邹翰斌; 杨振; 吕尤; 赵卫超; 杨占奎
Original assignee: Contec Medical Systems Co Ltd
Current assignee: Contec Medical Systems Co Ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2022-11-22
Anticipated expiration: 2032-06-07

Abstract

The utility model discloses a humidifier used for a breathing machine, which comprises a shell, wherein the shell is provided with an air inlet pipeline and an air outlet pipeline; the bottom of the air outlet pipeline is provided with a diversion trench extending along the air conveying direction of the air outlet pipeline; the first end of the diversion trench corresponds to the inlet end of the air outlet pipeline, the second end of the diversion trench corresponds to the outlet end of the air outlet pipeline, and the height of the bottom of the diversion trench is gradually reduced from the second end to the first end. The bottom of the air outlet pipeline in the humidifier is provided with the diversion trench, the height of the trench bottom of the diversion trench is gradually reduced along the direction from the outlet end to the inlet end of the air outlet pipeline, condensed water formed at the air outlet pipeline can be guided back to the shell, danger caused by the fact that the condensed water is sucked by a user is avoided, and safety of the user is improved. The utility model also provides an use the breathing machine of above-mentioned humidifier, avoid the user to inhale the comdenstion water, ensure user's personal safety.

Description

Humidifier and breathing machine

Technical Field

The utility model relates to the technical field of medical equipment, more specifically say, relate to a humidifier, still relate to a breathing machine.

Background

The breathing machine is a vital medical equipment which can prevent and treat respiratory failure, reduce complications and save and prolong the life of a patient, and plays an important role in the modern medical field.

The humidifier in the respirator is arranged in a shell of the respirator and used for humidifying and heating air, so that the air entering the humidifier through an air inlet pipeline becomes humid and mild, and then is conveyed to a user through an air outlet pipeline of the humidifier.

However, the temperature of the air outlet pipe of the existing humidifier is low, so that condensed water is easily formed, which causes the user to inhale and generate choking danger, thus causing danger to the user.

Therefore, the problem to be solved by those skilled in the art is how to avoid the danger of the condensed water at the outlet pipeline of the humidifier being inhaled by the user.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a humidifier, its pipeline's of giving vent to anger bottom is equipped with the guiding gutter, and the tank bottom height of guiding gutter reduces along the direction of pipeline exit end to entry end of giving vent to anger gradually, can be in the condensed water diversion flow-back casing that pipeline department formed of giving vent to anger, avoids the condensed water to be inhaled by the user and takes place danger, improves user's security. The utility model also provides an use the breathing machine of above-mentioned humidifier, avoid the user to inhale the comdenstion water, ensure user's personal safety.

In order to achieve the above object, the utility model provides a following technical scheme:

a humidifier used for a breathing machine comprises a shell, wherein the shell is provided with an air inlet pipeline and an air outlet pipeline; the bottom of the air outlet pipeline is provided with a diversion trench extending along the air conveying direction of the air outlet pipeline; the first end of the diversion trench corresponds to the inlet end of the air outlet pipeline, the second end of the diversion trench corresponds to the outlet end of the air outlet pipeline, and the height of the bottom of the diversion trench is gradually reduced from the second end to the first end.

Preferably, in the humidifier, the wall thickness of the bottom of the air outlet pipe is gradually reduced from the second end to the first end of the flow guide groove to form the flow guide groove; or

The bottom of the air outlet pipeline is provided with an opening, and the diversion trench is fixed at the opening.

Preferably, in the humidifier, the air outlet pipeline is arranged along the horizontal direction; the air inlet pipeline comprises a horizontal pipeline and a vertical pipeline which are sequentially communicated, and the free end of the horizontal pipeline is the inlet end of the air inlet pipeline and the free end of the vertical pipeline is the outlet end of the air inlet pipeline.

Preferably, in the humidifier, the casing comprises an upper casing and a lower casing, and the upper casing and the lower casing are fixedly connected and enclose a humidifier cavity; the air inlet pipeline and the air outlet pipeline are respectively arranged on the upper shell, the outlet of the air inlet pipeline is communicated with the humidifier cavity, and the inlet of the air outlet pipeline is communicated with the humidifier cavity; go up the casing with be equipped with sealing device between the casing down, sealing device includes:

the sealing ring is arranged at the opening of the upper shell or the lower shell;

the sealing ring pressing piece is arranged at the opening of the other shell; the sealing ring pressing piece is used for pressing the sealing ring when the upper shell is fixedly connected with the lower shell.

Preferably, in the humidifier, a buckle or a clamping groove is arranged on the outer surface of the shell and is used for being matched with a clamping groove or a buckle of a shell in the respirator; the outer surface of the shell is also provided with a dismounting barrier, and the dismounting barrier is close to a buckle or a clamping groove of the shell.

Preferably, in the humidifier, the housing or the casing is provided with a protective gasket, and the protective gasket is close to the buckle of the housing or the casing.

Preferably, in the humidifier, the shell is provided with a plug board piece, and the plug board piece is used for being matched with a slot of a shell in the respirator.

Preferably, in the humidifier, the plate insertion member includes a plate body and a clamping plate fixed to a surface of the plate body, and the clamping plate is configured to limit the plate body to move in the slot along a preset direction; the preset direction is perpendicular to the plate surface of the plate body.

A breathing machine comprises a shell and a humidifier fixed in the shell, wherein the humidifier is the humidifier in any one of the technical schemes; the shell is provided with a heating sheet which is used for being matched with the heat conducting sheet of the shell to heat water in the shell.

Preferably, in the above respirator, the heating sheet is mounted to the housing by a mounting assembly, the mounting assembly including:

the fixing frame is fixed in the shell; the heating sheet can be movably arranged on the fixing frame;

and the elastic piece is arranged between the shell and the heating sheet and is used for providing driving force for the heating sheet to be attached to the heat conducting sheet.

The utility model provides a humidifier for a breathing machine, which comprises a shell, wherein the shell is provided with an air inlet pipeline and an air outlet pipeline; the bottom of the air outlet pipeline is provided with a flow guide groove extending along the air conveying direction of the air outlet pipeline; the first end of the diversion trench corresponds to the inlet end of the air outlet pipeline, the second end of the diversion trench corresponds to the outlet end of the air outlet pipeline, and the height of the bottom of the diversion trench is gradually reduced from the second end to the first end.

The bottom of the air outlet pipeline in the humidifier is provided with the diversion trench, the height of the trench bottom of the diversion trench is gradually reduced along the direction from the outlet end to the inlet end of the air outlet pipeline, condensed water formed at the air outlet pipeline can be guided back to the shell, danger caused by the fact that the condensed water is sucked by a user is avoided, and safety of the user is improved.

The utility model also provides an use the breathing machine of above-mentioned humidifier, avoid the user to inhale the comdenstion water, ensure user's personal safety.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an exploded view of a humidifier according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an air inlet duct according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an air outlet pipe provided in an embodiment of the present invention;

fig. 4 is a schematic structural diagram of another air outlet pipeline provided in an embodiment of the present invention;

fig. 5 is an exploded view of a ventilator provided in an embodiment of the present invention;

fig. 6 is a schematic front view of a heat conducting fin according to an embodiment of the present invention;

fig. 7 is a schematic top view of a heat conducting fin according to an embodiment of the present invention;

fig. 8 is an exploded view of the assembly of the housing, the heater plate and the mounting assembly of the ventilator according to the embodiment of the present invention;

wherein, in fig. 1-8:

a humidifier 100; a lower case 101; a seal ring pressing member 102; a seal ring 103; an air intake duct 104; a horizontal pipe 141; a vertical pipe 142; an outlet duct 105; a first edge 151; a second edge 152; a third edge 153; a fourth edge 154; a fifth edge 155; the sixth edge 156; an upper housing 106; a fork strap member 107; a plate body 171; a clamping plate 172; a latch 108; a buckle 109; disassembling the partition 110; a heat conductive sheet 111; a housing 201; a partition 211; a heating plate 202; an elastic member 203; a fixed frame 204.

Detailed Description

The embodiment of the utility model discloses humidifier, its bottom of the pipeline of giving vent to anger is equipped with the guiding gutter, and the tank bottom of guiding gutter highly reduces along the direction of the pipeline exit end of giving vent to anger entry end gradually, can be with the comdenstion water guiding flow back of the formation of pipeline department of giving vent to anger in the casing, avoids the comdenstion water to be inhaled by the user and takes place danger, improves user's security. The embodiment of the utility model also discloses a breathing machine of using above-mentioned humidifier, avoids the user to inhale the comdenstion water, ensures user's personal safety.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-8, an embodiment of the present invention provides a humidifier 100 for a ventilator, including a housing, the housing having an inlet duct 104 and an outlet duct 105; a diversion trench extending along the gas transmission direction of the gas outlet pipeline 105 is arranged at the bottom of the gas outlet pipeline 105; the first end of the diversion trench corresponds to the inlet end of the air outlet pipeline 105, the second end of the diversion trench corresponds to the outlet end of the air outlet pipeline 105, and the height of the bottom of the diversion trench is gradually reduced from the second end to the first end.

The bottom of the air outlet pipe 105 in the humidifier 100 is provided with a diversion trench, the height of the trench bottom of the diversion trench is gradually reduced along the direction from the outlet end to the inlet end of the air outlet pipe 105, so that condensed water formed at the air outlet pipe 105 can be guided back into the shell, the condensed water is prevented from being sucked by a user and causing danger, and the safety of the user is improved.

The guiding grooves may be disposed inside outlet pipe 105 to make the outer contour of outlet pipe 105 regular, which is convenient for manufacturing. Specifically, an inclined plate can be installed inside the gas outlet pipe 105 and used as the bottom of the flow guide groove, and the inclined plate is inclined downwards from the outlet end to the inlet end of the gas outlet pipe 105; it is also possible to make the wall thickness of the bottom of outlet pipe 105 gradually decrease from the second end to the first end of the guiding groove to form a guiding groove, as shown in fig. 3, the wall thickness of the portion of outlet pipe 105 below first edge 151 and second edge 152 of the inner wall is thickened, and the wall thickness gradually decreases from the outlet end to the inlet end of outlet pipe 105 to form a guiding groove, and the lowest position of each cross section in the whole guiding groove gradually decreases from the second end to the first end of the guiding groove.

Of course, the diversion trench may also be configured to protrude from the outer peripheral profile of the outlet pipe 105, which is not limited in this embodiment.

The bottom of the outlet pipe 105 may be provided with an opening, and correspondingly, the guiding gutter is fixed at the opening. As shown in fig. 4, the bottom of outlet pipe 105 is provided with openings along third edge 153 and fourth edge 154 of the inner wall, and the portions below third edge 153 and fourth edge 154 are guiding grooves protruding from the outer peripheral profile of outlet pipe 105.

Specifically, the portions below the third edge 153 and the fourth edge 154 extend and intersect along the fifth edge 155 and the sixth edge 156, respectively, to form a guiding groove, wherein the intersection is the lowest portion of the guiding groove, and the height of the lowest portion is gradually reduced along the direction from the air outlet end to the air inlet end of the air outlet pipe 105, so that the condensed water dropping into the guiding groove can flow back into the interior of the housing quickly. In this embodiment, the diversion trench may be integrated with the air outlet pipe 105, or the diversion trench and the air outlet pipe are separated from each other and fixed to each other by means of adhesion, and the embodiment is not limited.

Specifically, in the humidifier 100, the air outlet pipe 105 is arranged along the horizontal direction; inlet duct 104 is located at a position equal to or slightly higher than outlet duct 105; the air inlet pipe 104 comprises a horizontal pipe 141 and a vertical pipe 142 which are sequentially communicated, wherein the free end of the horizontal pipe 141 is the inlet end of the air inlet pipe 104, and the free end of the vertical pipe 142 is the outlet end of the air inlet pipe 104.

The shell comprises an upper shell 106 and a lower shell 101, wherein the upper shell 106 and the lower shell 101 are fixedly connected and enclose a humidifier cavity, and the humidifier cavity is used for containing water; the air inlet pipeline 104 and the air outlet pipeline 105 are respectively arranged on the upper shell 106, and the outlet of the air inlet pipeline 104 is communicated with the humidifier cavity, and the inlet of the air outlet pipeline 105 is communicated with the humidifier cavity.

In order to ensure the sealing performance of the joint between the upper casing 106 and the lower casing 101, a sealing device is provided between the upper casing 106 and the lower casing 101, and the sealing device comprises:

a sealing ring 103, wherein the sealing ring 103 is arranged at an opening of the upper shell 106 or the lower shell 101;

a seal ring pressing member 102, where the seal ring pressing member 102 is disposed at an opening of another casing (if the seal ring 103 is disposed at an opening of the upper casing 106, the "another casing" is the lower casing 101, and if the seal ring 103 is disposed at an opening of the lower casing 101, the "another casing" is the upper casing 106); the seal ring pressing member 102 is used for pressing the seal ring 103 when the upper housing 106 and the lower housing 101 are fixedly connected.

The sealing device provided by the embodiment comprises the sealing ring 103 and the sealing ring pressing piece 102, so that the closing and the opening of the upper shell 106 and the lower shell 101 are not influenced by the sealing device, and water is added or other maintenance is performed at any time in use.

In the above embodiment, one side of the sealing ring pressing member 102 is configured to be fixed to the lower case 101, specifically, the sealing ring pressing member is fixed by using a double-sided tape or a substance with viscosity; the other side of the sealing ring pressing piece 102 is provided with a flat plate structure, and the profile of the flat plate structure is arranged according to the outer profile of the whole sealing ring pressing piece 102 to form a hollow ring shape, so that the liquid in the humidifier 100 can conveniently pass through.

The sealing ring 103 is made of an elastic material, such as plastic or other elastic and solid materials, and the embodiment is not limited thereto. The contour of the sealing ring 103 is consistent with the contour of the opening of the upper shell 106, and one side of the sealing ring 103 is fixed with the upper shell 106, specifically, the sealing ring 103 and the upper shell 106 can be fixed by adopting a glue connection mode or by arranging a through hole to match with a column arranged on the upper shell. When the upper casing 106 and the lower casing 101 are closed, the other side of the seal ring 103 is in contact with and pressed against the flat structure, and a sealed state is presented.

In order to control the sealing state of the housing manually, the upper housing 106 is fixedly connected with the lower housing 101 through the latch 108 when the upper housing is closed.

For the convenience of assembly, the outer surface of the housing is provided with a snap 109 or a snap groove for cooperating with the snap groove or the snap 109 of the housing 201 in the ventilator. Further, the housing or the casing 201 is provided with a protective gasket, and the protective gasket is close to the buckle 109 of the housing or the casing 201 (i.e. the protective gasket and the buckle 109 are both mounted on the housing, or both mounted on the casing 201), so as to prevent the casing or the casing 201 from being damaged by a dismounting tool when the humidifier 100 is mounted and dismounted.

Specifically, the structure shown in fig. 5 can be adopted, wherein a buckle 109 is arranged in the middle of the top of the upper shell 106, and is matched with a clamping groove in a corresponding position of the shell 201 of the respirator, so that the humidifier 100 and the shell 201 can be conveniently fixed; protective gaskets may be disposed on both sides of the clip 109 to protect the humidifier 100 and the housing 201 from damage during installation and removal of the humidifier 100.

The outer surface of the shell is also provided with a dismounting barrier 110, and the dismounting barrier 110 is close to the buckle 109 or the clamping groove of the shell. Specifically, the partition is located at the top outside of the upper shell, and is used for increasing the friction force between the humidifier 100 and a hand or other tools when the user removes the humidifier 100 by the hand or other tools, so as to facilitate the removal.

In the humidifier 100, the housing is provided with the inserting plate 107, and the inserting plate 107 is used for matching with the slot of the shell 201.

Insert plate spare 107 and slot cooperation, can guide the accurate position that is used for installing humidifier 100 of sliding to shell 201 in of humidifier 100, ensure the accurate counterpoint cooperation of buckle 109 and draw-in groove, need not to fix a position convenient operation humidifier 100 before the assembly.

The two sides of the bottom of the lower shell 101 in the humidifier 100 are respectively provided with the inserting plate piece 107, the inserting plate pieces 107 are convenient for the humidifier 100 to be inserted into the shell 201 of the breathing machine along the horizontal direction, and the humidifier 100 is prevented from being damaged due to friction caused by uneven stress in the process of being inserted into the shell 201. The slot of the housing 201 is composed of a partition 211 fixed to the housing 201, a bottom plate of the housing 201, and a portion of a side plate of the housing 201 between the bottom plate and the partition 211.

The fork strap section 107 may be configured to include only the plate body 171, but to prevent the fork strap section 107 from moving in the slot in a direction perpendicular to the plate body 171, so as to ensure that the humidifier 100 is securely mounted in the housing 201, the fork strap section 107 is configured to include the plate body 171 and a clamping plate 172 fixed to a surface of the plate body 171, the clamping plate 172 being configured to limit the movement of the plate body 171 in the slot in a predetermined direction; the preset direction is perpendicular to the plate surface of the plate body 171.

The clamping plates 172 and the plate body 171 are in a vertical intersection state, the number of the clamping plates 172 can be set to be 1, 2, 3 and the like, the embodiment is not limited, and only the insertion plate 107 is required to be kept between the bottom plates of the partition plate 211 and the shell 201 when being inserted into the insertion slot without shaking, so that the humidifier 100 is ensured not to longitudinally move after being installed.

The housing of the humidifier 100 is provided with a heat conducting fin 111 for heat conduction in contact with a heating fin 202 of the ventilator housing 201. The heat conductive sheet 111 may be provided at the side wall of the lower case 101, but in order to uniformly heat the water inside the lower case 101, the heat conductive sheet 111 is preferably provided at the bottom of the lower case 101, and accordingly, the heating plate 202 of the ventilator is provided in the housing 201 at a position corresponding to the heat conductive sheet 111.

In the humidifier 100 provided in this embodiment, not only the guiding groove and the air outlet pipe 105 may be configured as an integrated structure, but also the housing, the buckle 109 or the clamping groove, the protective gasket, the detachable barrier 110, and the inserting plate 107 may be configured as an integrated structure, so as to facilitate production and manufacture, and the production cost is low.

The embodiment of the present invention further provides a breathing machine, which comprises a housing 201 and a humidifier 100 fixed in the housing 201, wherein the humidifier 100 is the humidifier 100 provided in the above embodiment; the housing 201 is provided with a heating plate 202, and the heating plate 202 can be matched with the heat conducting plate 111 of the housing to heat water in the housing.

The heat patch 202 may be configured to be mounted directly to the housing 201, preferably configured to be mounted to the housing 201 via a mounting assembly comprising:

a fixing frame 204, wherein the fixing frame 204 is fixed in the shell 201; the heating plate 202 is movably mounted on the fixing frame 204;

and an elastic member 203, wherein the elastic member 203 is disposed between the housing 201 and the heating sheet 202, and is used for providing a driving force for the heating sheet 202 to adhere to the heat conducting sheet 111.

In the embodiment, the heating plate 202 is movably mounted on the housing 201 by matching with the mounting assembly, and the heating plate 202 is always attached to the heat conducting plate 111 by matching with the elastic member, so that the heating efficiency is ensured; meanwhile, the elastic member 203 has a damping effect, so that the heating sheet 202 is prevented from being damaged or even deformed due to excessive friction with the humidifier housing when the humidifier 100 is installed, and the heating sheet 202 is also prevented from being vibrated or even deformed due to collision when the respirator is in normal operation.

Specifically, the elastic member 203 is an elastic column arranged on one side of the heating sheet 202 contacting the housing 201, is a sponge sandwiched between the housing 201 and the heating sheet 202, or is an elastic object sandwiched between the housing 201 and the heating sheet 202, so that when the humidifier 100 is installed in the respirator housing 201, the heating sheet 202 is pressed by the humidifier 100 and moves towards the direction close to the housing 201, thereby reducing friction, reducing vibration, and preventing the heating sheet 202 and the humidifier 100 from being damaged.

The fixing frame 204 is used for limiting the elastic member 203 and the heating sheet 202, and prevents the heating sheet 202 or the elastic member 203 from moving too much.

Specifically, the heating plate 202 is mounted on the bottom plate of the shell 201 of the ventilator by a mounting assembly, and the position corresponds to the position of the heat conducting plate 111 after the humidifier 100 is assembled.

The respirator provided by the embodiment adopts the humidifier 100 provided by the embodiment, so that a user is prevented from inhaling condensed water, and the personal safety of the user is guaranteed. Of course, the ventilator provided in this embodiment also has other effects related to the humidifier 100 provided in the above embodiments, which are not described herein again.

In the embodiment provided by the present embodiment, words such as "bottom", "upper", "lower", "high", etc. indicating the orientation are described, and each of the orientation words indicates the orientation of the humidifier when the humidifier is assembled to the housing of the ventilator and the ventilator is in a normal use state.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A humidifier used for a breathing machine is characterized by comprising a shell, wherein the shell is provided with an air inlet pipeline and an air outlet pipeline; the bottom of the air outlet pipeline is provided with a diversion trench extending along the air conveying direction of the air outlet pipeline; the first end of the diversion trench corresponds to the inlet end of the air outlet pipeline, the second end of the diversion trench corresponds to the outlet end of the air outlet pipeline, and the height of the bottom of the diversion trench is gradually reduced from the second end to the first end.

2. The humidifier according to claim 1, wherein the bottom wall thickness of the air outlet pipeline is gradually reduced from the second end to the first end of the diversion trench to form the diversion trench; or alternatively

3. A humidifier according to claim 1 or claim 2, wherein the outlet conduit is arranged in a horizontal direction; the air inlet pipeline comprises a horizontal pipeline and a vertical pipeline which are sequentially communicated, and the free end of the horizontal pipeline is the inlet end of the air inlet pipeline and the free end of the vertical pipeline is the outlet end of the air inlet pipeline.

4. The humidifier according to claim 1, wherein the casing comprises an upper casing and a lower casing, the upper casing and the lower casing are fixedly connected and enclose a humidifier cavity; the air inlet pipeline and the air outlet pipeline are respectively arranged on the upper shell, the outlet of the air inlet pipeline is communicated with the humidifier cavity, and the inlet of the air outlet pipeline is communicated with the humidifier cavity; go up the casing with be equipped with sealing device between the casing down, sealing device includes:

5. The humidifier according to claim 1, wherein the outer surface of the housing is provided with a snap or a catch for engaging with a catch or a catch of a housing in the ventilator; the outer surface of the shell is also provided with a dismounting barrier, and the dismounting barrier is close to a buckle or a clamping groove of the shell.

6. A humidifier according to claim 5, wherein the housing or the casing is provided with a protective gasket, and the protective gasket is adjacent to a catch of the housing or the casing.

7. A humidifier according to claim 1, wherein the housing is provided with a socket member for engaging with a socket of a housing in the respirator.

8. The humidifier according to claim 7, wherein the insert member comprises a plate body and a clamping plate fixed on a surface of the plate body, the clamping plate is used for limiting the plate body to move in a preset direction in the insert groove; the preset direction is perpendicular to the plate surface of the plate body.

9. A respirator comprising a housing and a humidifier secured within the housing, wherein the humidifier is according to any one of claims 1 to 8; the shell is provided with a heating sheet used for being matched with the heat conducting sheet of the shell to heat water in the shell.

10. The ventilator of claim 9, wherein the heater chip is mounted to the housing by a mounting assembly, the mounting assembly comprising:

the fixing frame is fixed in the shell; the heating plate can be movably arranged on the fixed frame;

and the elastic piece is arranged between the shell and the heating piece and used for providing a driving force for the heating piece to be attached to the heat conducting piece.