WO2021218220A1

WO2021218220A1 - Fixing device, heating element assembly and device provided with heating element assembly

Info

Publication number: WO2021218220A1
Application number: PCT/CN2020/141030
Authority: WO
Inventors: 彭金华; 李朝卿; 廖泓斌; 陈秋杉; 张毅; 周宇
Original assignee: 格力电器（武汉）有限公司; 珠海格力电器股份有限公司
Priority date: 2020-04-26
Filing date: 2020-12-29
Publication date: 2021-11-04
Also published as: CN111412652A

Abstract

Provided by the present application are a fixing device, a heating element assembly and a device provided with a heating element assembly. The fixing device comprises: a fixing structure, comprising a fixing body and an accommodating cavity formed on the fixing body and suitable for accommodating a heating element, one end of the fixing body being provided with an opening communicated with the accommodating cavity; a limit structure, movably connected to the end of the fixing body provided with an opening, and suitable for moving closer to or away from the accommodating cavity under the action of external force; and a locking structure, used to lock the relative position between the limit structure and the fixing body. By adjusting the relative movement between the limit structure and the fixing body, the limit structure and the heating element lean against each other such that the heating element is clamped between the limit structure and the cavity wall of the accommodating cavity to firmly fix the heating element, thereby fixing the distance between the heating element and the temperature limiter after fixing a temperature limiter on the fixing structure or other structures, so as to effectively ensure and improve the temperature detection effect of the temperature limiter.

Description

Fixing device, heating element assembly and device with heating element assembly

Technical field

This application relates to the technical field of household appliances, in particular to a fixing device, a heating element assembly, and a device with the heating element assembly.

Background technique

At present, there are many electric heating equipment and electrical products on the market. Among them, the heater has a wide range of applications due to its complete functions and convenient use. High, abnormal noise occurs during rotation, etc. These problems also require continuous improvement of the design and technical perfection of the electric heater.

Heat is an important function of the heater. Poor control of the heat is likely to cause the temperature to be too high, leading to line damage, high temperature deformation of the machine, or even fire. For this reason, a temperature limiter is generally installed in the heater, and the temperature limiter will disconnect the circuit of the heating element when the heating temperature of the heater is higher than the preset value, and play the role of circuit breaker protection. Therefore, it is particularly important that the temperature limiter can accurately detect the real-time temperature of the heater and make timely and accurate judgments based on the detection results. This requires that the distance between the temperature limiter and the heating element is fixed, and no major changes can occur. If the distance between the temperature limiter and the heating element is suddenly large or small, it will affect the temperature detection of the temperature limiter. As a result, it further affects the control of the temperature limiter to the heating element circuit, thereby causing safety hazards to the heater.

In the prior art, the temperature limiter is generally fixed on a fixing frame, and a containing cavity is formed on the fixing frame. The heating element is installed in the containing cavity, and the heating element is limited by the cavity wall of the containing cavity. Although this method can limit the distance between the heating element and the temperature limiter to a certain extent, in order to ensure that the heating element can be smoothly installed in the accommodating cavity, the size of the heating element is usually made larger than the accommodating cavity. Small, which leads to a gap between the heating element installed in the accommodating cavity and the accommodating cavity, and the existence of this gap will still change the distance between the heating element and the temperature limiter, thereby affecting the temperature limit The effect of the detector on the temperature detection.

Summary of the invention

Therefore, the technical problem to be solved by this application is to overcome the defect that the heating element fixing device in the prior art changes the distance between the heating element and the temperature limiter and affects the temperature detection effect of the temperature limiter, thereby providing a A fixing device, a heating element assembly, and a device with a heating element assembly that can effectively limit the distance between the heating element and the temperature controller and improve the temperature detection effect of the temperature limiter.

An embodiment of the present application provides a fixing device, including: a fixing structure, including a fixing body, and an accommodating cavity provided on the fixing body and suitable for accommodating a heating element. One end of the stationary body is provided with an accommodating cavity Connected opening; limit structure, movably connected to the end of the fixed body with an opening, and is suitable for moving closer to or away from the accommodating cavity under the action of external force; locking structure, used to align the limit structure with The relative position between the fixed bodies is locked.

In an embodiment of the present application, the limiting structure includes a limiting body, and the limiting body is provided with an installation through hole; the fixing body is provided with a locking hole, the locking hole is provided corresponding to the installation through hole, and the locking hole is a threaded hole ; The locking structure is a threaded fastener matched with the locking hole, and the outer diameter of the threaded fastener is not greater than the aperture of the installation through hole.

In an embodiment of the present application, the fixing device further includes a guiding structure. The guiding structure includes: a sliding groove, which is provided on one of the limiting body and the fixed body; and a sliding rail, which is provided on both the limiting body and the fixed body. The other one is suitable for sliding relative to the sliding groove in the sliding groove; and the relative sliding direction between the sliding rail and the sliding groove is consistent with the direction in which the limiting structure is close to or away from the accommodating cavity.

In an embodiment of the present application, the limiting body includes: a locking part provided with an installation through hole; a guiding part provided with a sliding groove or a sliding rail; and a connecting part connecting the locking part and the guiding part.

In an embodiment of the present application, the guide part and the locking part are spaced apart.

In an embodiment of the present application, a limiting cavity is provided on the locking portion, and the mounting through hole is formed on the cavity wall of the limiting cavity and communicating with the limiting cavity; the fixing body is provided with a limiting cavity suitable for being accommodated in the limiting cavity The locking protrusion in the middle, the locking hole is formed on the locking protrusion.

In an embodiment of the present application, the fixed body includes two oppositely arranged side walls, and a receiving structure connected between the two side walls, the receiving structure and the two side walls jointly enclose an opening, a locking protrusion and a sliding The rails are arranged on the supporting structure at intervals.

In an embodiment of the present application, a recess is provided on the side wall, and the connecting part is inserted into the recess.

In an embodiment of the present application, the limiting structure further includes an extension structure. The extension structure protrudes from the limiting body toward the side of the receiving cavity into the receiving cavity, and is suitable for mating with the limiting body to be installed in the receiving cavity. Place the heating element in the cavity to limit the position.

In an embodiment of the present application, the fixing device further includes an installation structure for installing the temperature limiter.

In an embodiment of the present application, the installation structure includes at least two limit walls, and the space between the at least two limit walls is suitable for accommodating the main body of the temperature limiter; the limit walls extend outward from the outer wall of the fixed body Furthermore, a clamping slot suitable for clamping the temperature limiter is formed between the limiting wall and the outer wall of the fixed body.

In an embodiment of the present application, the mounting structure is provided at an end of the fixed body opposite to the limiting structure.

The application also provides a heating element assembly, including the above-mentioned fixing device, a heating element installed in the accommodating cavity, and a temperature limiter installed on the fixed body.

In an embodiment of the present application, the heating element is a PTC heating element.

The application also provides a device with a heating element assembly, including the above-mentioned heating element assembly.

The device with the heating element component is a heater.

The technical solution of this application has the following effects:

1. The fixing device provided by the present application includes: a fixing structure, including a fixing body, and an accommodating cavity provided on the fixing body and suitable for accommodating a heating element. One end of the stationary body is provided with an opening communicating with the accommodating cavity; The limit structure is movably connected to the end of the fixed body with an opening, and is adapted to move closer to or away from the accommodating cavity under the action of external force; the locking structure is used to align the limit structure and the fixed body The relative position of the camera is locked. When in use, first put the heating element into the accommodating cavity, and then apply an external force to the limiting structure to push the limiting structure to move closer to the accommodating cavity, until the limiting structure and the heating element are opposed to each other through the locking structure The relative position between the limiting structure and the fixed body is locked to complete the fixing of the position of the heating element in the accommodating cavity; when the heating element needs to be removed, the locking structure is first released to determine the relative position between the limiting structure and the fixed body The heating element can be taken out from the accommodating cavity by applying an external force to push the limiting structure to move away from the accommodating cavity. This kind of fixing device, by adjusting the relative movement between the limiting structure and the fixed body, makes the limiting structure and the heating body offset, so as to realize the clamping of the heating body in the limiting structure and the accommodating cavity opposite to the limiting structure Between the walls, the heating element will not change its position in the accommodating cavity, and the heating element can be firmly fixed. After the temperature limiter is fixed on the fixed structure or other structure, the heating element and the temperature limiter can be connected. The fixed distance between them can effectively ensure and improve the temperature detection effect of the temperature limiter.

2. In the fixing device provided by this application, the limiting structure includes a limiting body, which is provided with an installation through hole; the fixed body is provided with a locking hole, and the locking hole is arranged corresponding to the installation through hole, and the locking hole is a threaded hole ; The locking structure is a threaded fastener matched with the locking hole, and the outer diameter of the threaded fastener is not greater than the aperture of the installation through hole. By setting the installation through hole on the limit body and the locking hole on the fixed body, when the heating element needs to be installed and fixed, the threaded fastener can be rotated and pushed, passing through the installation through hole and the locking hole in turn, and pass through The threaded fastener continues to spirally advance on the locking hole, driving the limiting structure to move in the direction close to the accommodating cavity, until the limiting structure and the heating element collide, completing the coordination of the limiting structure and the cavity wall of the accommodating cavity on the heating element Clamping and fixing; when the heating element needs to be disassembled, it is only necessary to reversely rotate the threaded fasteners, so that the limit structure can be driven to move away from the accommodating cavity, so as to realize the disassembly of the heating element. The structure of the installation through holes, locking holes and threaded fasteners can not only realize the movement of the driving limit structure, but also realize the locking of the relative position between the limit structure and the fixed body, without driving or locking functions. Realized by the additional structure, the structure is fully simplified, and only by rotating the threaded fastener, the driving and locking functions can be realized at the same time, and it also has the advantages of simple operation.

3. The fixing device provided by the present application also includes a guiding structure. The guiding structure includes: a sliding groove arranged on one of the limiting body and the fixed body; a sliding rail arranged on both the limiting body and the fixed body On the other hand, it is suitable for sliding relative to the sliding groove in the sliding groove; and the relative sliding direction between the sliding rail and the sliding groove is consistent with the direction in which the limiting structure is close to or away from the accommodating cavity. The setting of the guiding structure can make the relative movement between the limiting structure and the fixed body more stable.

Description of the drawings

In order to more clearly illustrate the specific embodiments of this application or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the specific embodiments or the description of the prior art. Obviously, the appendix in the following description The drawings are some embodiments of the present application. For those of ordinary skill in the art, without creative work, other drawings can be obtained based on these drawings.

FIG. 1 is a three-dimensional schematic diagram of the fixing device provided in the first embodiment of this application;

Fig. 2 is a three-dimensional schematic diagram of the heating element assembly provided in the first embodiment of the application;

Fig. 3 is a schematic top view of the heating element assembly shown in Fig. 2;

Fig. 4 is a perspective schematic view of the fixing device shown in Fig. 2 after the limiting structure is removed;

Fig. 5 is a three-dimensional schematic diagram of the limiting structure in Fig. 1;

FIG. 6 is a three-dimensional schematic diagram of the limiting structure shown in FIG. 5 from another angle;

Fig. 7 is a schematic diagram of the right side view of the limiting structure in Fig. 5;

Fig. 8 is a partial three-dimensional schematic diagram of the heating element assembly shown in Fig. 2.

Description of reference signs:

1. Fixed body; 10. Heating element; 11. Opening; 12. Locking hole; 13. Locking protrusion; 14. Side wall; 141. Gap gap; 15. Receiving structure; 2. Housing cavity; 20. Limit Thermostat; 3. Limiting body; 31. Locking part; 311. Installation through hole; 312. Limiting cavity; 32. Guiding part; 33. Connecting part; 34. Reinforcing ribs; 4. Threaded fasteners; 51. Slide groove; 52, slide rail; 6, extension structure; 7, limit wall; 71, card slot.

Detailed ways

The technical solutions of the present application will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of this application.

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

As shown in Figures 1 to 8, this embodiment provides a fixing device, which includes a fixing structure, a limiting structure, and a locking structure.

The fixing structure includes a fixing body 1 and an accommodating cavity 2 provided on the fixing body 1 and suitable for accommodating the heating element 10. One end of the fixing body 1 is provided with an opening 11 communicating with the accommodating cavity 2. The fixing body 1 is provided with a locking hole 12, and the locking hole 12 is a threaded hole.

The limiting structure is movably connected to one end of the fixed body 1 with an opening 11, and is adapted to move closer to or away from the accommodating cavity 2 under the action of external force. The limiting structure includes a limiting body 3, a mounting through hole 311 is provided on the limiting body 3, and the mounting through hole 311 is provided corresponding to the locking hole 12.

The locking structure is used to lock the relative position between the limiting structure and the fixed body 1. Specifically, the locking structure is a threaded fastener 4 that fits with the locking hole 12, and the outer diameter of the threaded fastener 4 is not larger than the aperture of the installation through hole 311. The specific form of the threaded fastener 4 is not limited. For example, it can be a bolt, a screw, a stud, or the like. The threaded fastener 4 in this embodiment is a bolt.

By providing a mounting through hole 311 on the limiting body 3 and a locking hole 12 on the fixing body 1, when the heating element 10 needs to be installed and fixed, the threaded fastener 4 can be rotated and pushed through the mounting through hole in turn 311 and the locking hole 12, and continue to spirally advance on the locking hole 12 through the threaded fastener 4, driving the limiting structure to move in the direction close to the accommodating cavity 2 until the limiting structure abuts against the heating element 10 to complete the limiting structure Cooperate with the cavity wall of the accommodating cavity 2 to clamp and fix the heating element 10; when the heating element 10 needs to be disassembled, it is only necessary to reversely rotate the threaded fastener 4, so that the limiting structure can be driven away from the accommodating cavity 2 Movement in the direction of, in order to realize the disassembly of the heating element 10. This type of structure in which the installation through hole 311, the locking hole 12 and the threaded fastener 4 cooperate can not only realize the movement of the driving limit structure, but also realize the locking of the relative position between the limit structure and the fixed body 1, without the need to use The driving or locking function is realized by an additional structure, which fully simplifies the structure, and only by rotating the threaded fastener 4, the driving and locking functions can be realized at the same time, and it also has the advantage of simple operation.

The limiting structure in this embodiment is detachably connected to the fixed body 1. As a transformable embodiment, the limiting structure and the fixed body 1 may also be connected in a non-detachable but relatively movable manner.

In order to make the relative movement between the limiting structure and the fixed body 1 more stable, the fixing device provided in this embodiment further includes a guiding structure. The specific structure of the guide structure is not limited. The guide structure in this embodiment includes a sliding groove 51 and a sliding rail 52. The sliding groove 51 is provided on the limiting body 3. The sliding rail 52 is arranged on the fixed body 1 and is adapted to slide relative to the sliding groove 51 in the sliding groove 51; and the relative sliding direction between the sliding rail 52 and the sliding groove 51 is close to or away from the limiting structure. The direction of cavity 2 is the same. As a convertible embodiment, it is also possible that the sliding groove 51 is provided on the fixed body 1 and the sliding rail 52 is provided on the limiting body 3.

The specific structure of the limiting body 3 is not limited. In this embodiment, the limiting body 3 includes a locking portion 31 provided with a mounting through hole 311, a guide portion 32 provided with a sliding groove 51, and a connecting locking portion 31 and The connecting portion 33 of the guide portion 32. Specifically, the guide portion 32 and the locking portion 31 are spaced apart. As an alternative embodiment, there may be no gap between the guide portion 32 and the locking portion 31.

In this embodiment, the locking portion 31 is provided with a limiting cavity 312, and the mounting through hole 311 is formed on the cavity wall of the limiting cavity 312 and communicating with the limiting cavity 312. The fixing body 1 is provided with a locking protrusion 13 suitable for being received in the limiting cavity 312, and the locking hole 12 is formed on the locking protrusion 13. By providing the limiting cavity 312 and the locking projection 13, when the limiting structure is installed on the fixed body 1, the locking projection 13 can be accommodated in the limiting cavity 312 to realize the alignment of the limiting structure and the fixed body 1 The pre-positioning between the two can facilitate quick alignment of the installation through hole 311 and the locking hole 12 to facilitate the subsequent installation of the threaded fastener 4. As a transformable embodiment, the locking portion 31 may not be provided with the limiting cavity 312, and the fixed body 1 may not be provided with the locking protrusion 13 at the same time.

The specific structure of the fixed body 1 is not limited. In this embodiment, the fixed body 1 includes two opposite side walls 14 and a receiving structure 15 connected between the two side walls 14. The receiving structure 15 and the two side walls 14 jointly enclose an opening 11, and the locking protrusion 13 and the sliding rail 52 are arranged on the receiving structure 15 at intervals.

In order to make the relative movement between the limiting structure and the fixed body 1 more stable, in this embodiment, the side wall 14 is provided with a recess 141, and the connecting portion 33 is inserted into the recess 141.

The limiting structure in this embodiment also includes an extension structure 6. The extension structure 6 protrudes from the connecting portion 33 toward the side of the accommodating cavity 2 into the accommodating cavity 2 and is adapted to cooperate with the locking portion 31 and the guiding portion 32 The heating element 10 installed in the accommodating cavity 2 is limited in position. By protruding the extension structure 6 toward the accommodating cavity 2 relative to the limiting body 3, it can form a right-angle structure with the locking portion 31 and the guiding portion 32, respectively, so as to prevent the heating element 10 installed in the accommodating cavity 2 The positions are respectively limited in two mutually perpendicular directions, so that the installation of the heating element 10 is more stable, and it is not prone to shaking.

In order to prevent the limiting structure from deforming during the pushing process and to stabilize the structural strength of the limiting structure itself, the limiting body 3 in this embodiment further includes a reinforcing rib 34, which is located above the connecting portion 33, which can also make The force-bearing condition of the limit structure is better, and it is not easy to be damaged.

The fixing device provided in this embodiment further includes an installation structure for installing the temperature limiter 20. The specific structure of the installation structure is not limited. The installation structure in this embodiment includes two limit walls 7, and the distance between the two limit walls 7 is suitable for accommodating the main body of the temperature limiter; the limit wall 7 is composed of The outer wall of the fixed body 1 extends outward, and a slot 71 suitable for holding the temperature limiter 20 is formed between the limiting wall 7 and the outer wall of the fixed body 1. Generally, the temperature limiter 20 will include a temperature limiter body and an assembling part. When the temperature limiter body is installed between the two limit walls 7, the assembling part is locked into the card slot 71, and the slot width of the card slot 71 is smaller than The thickness of the assembling part is an interference fit between the clamping groove 71 and the assembling part, so that the clamping groove 71 can be firmly clamped to the temperature limiter 20. As a transformable embodiment, the limiting wall 7 may also have three or four, etc., as long as there is a distance between at least two limiting walls 7 suitable for accommodating the main body of the temperature limiter.

The specific position of the mounting structure on the fixed body 1 is not limited. In this embodiment, the mounting structure is provided at the opposite end of the fixed body 1 and the limiting structure. Specifically, the limiting structure will be located at the lower end of the fixing device in use, and the mounting structure will be located at the upper end of the fixing device in use, and the temperature limiter 20 will also be located at the upper end of the fixing device. When the heating element 10 is transferred into the accommodating cavity 2, that is, the temperature limiter 20 is arranged above the heating element 10. The heating element 10 radiates heat to the surroundings during operation. The density of the hot air is higher than the density of the surrounding air, and the heat rises. The temperature above the heating element 10 is slightly higher than the temperature in other directions, which can more accurately reflect the true temperature of the heating element 10. The installation structure for installing the limiter is arranged at the upper end of the fixed body 1, so that the temperature limiter 20 can detect the temperature more accurately.

In use, the heating element 10 is first loaded into the accommodating cavity 2, and then an external force is applied to the limiting structure to push the limiting structure to move closer to the accommodating cavity 2 until the limiting structure and the heating element 10 collide, The relative position between the limiting structure and the fixed body 1 is locked by the locking structure to complete the fixing of the position of the heating element 10 in the accommodating cavity 2; when the heating element 10 needs to be disassembled, the locking structure is first released to the limiting structure By locking the relative position with the fixed body 1 and applying an external force to push the limiting structure to move away from the accommodating cavity 2, the heating element 10 can be taken out of the accommodating cavity 2. This kind of fixing device, by adjusting the relative movement between the limiting structure and the fixed body 1, makes the limiting structure and the heating element 10 offset, so as to realize the clamping of the heating element 10 in the limiting structure and the tolerance relative to the limiting structure. Between the cavity walls of the cavity 2 so that the heating element 10 will not change in position in the containing cavity 2 to achieve a stable fixation of the heating element 10, and then after the temperature limiter 20 is fixed to a fixed structure or other structure , The distance between the heating element 10 and the temperature limiter 20 is fixed, so as to effectively ensure and improve the temperature detection effect of the temperature limiter 20.

This embodiment also provides a heating element assembly, including the above-mentioned fixing device, the heating element 10 installed in the accommodating cavity 2, and the temperature limiter 20 installed on the fixed body 1.

The specific form of the heating element 10 can be various, and the heating element 10 in this embodiment is a PTC heating element 10.

This embodiment also provides a fan heater, which includes the above-mentioned heating element assembly. As an alternative embodiment, the heater can also be replaced with other devices with heating element components.

Obviously, the above-mentioned embodiments are merely examples for clear description, and are not intended to limit the implementation manners. For those of ordinary skill in the art, other changes or modifications in different forms can be made on the basis of the above description. It is unnecessary and impossible to list all the implementation methods here. The obvious changes or changes derived from this are still within the scope of protection created by this application.

Claims

A fixing device, characterized in that it comprises:

The fixing structure includes a fixing body (1), and an accommodating cavity (2) arranged on the fixing body (1) and suitable for accommodating a heating element (10). One end of the fixing body (1) is provided with An opening (11) communicating with the accommodating cavity (2);

The limiting structure is movably connected to the end of the fixed body (1) with the opening (11), and is adapted to move closer to or away from the accommodating cavity (2) under the action of external force ；

The locking structure is used for locking the relative position between the limiting structure and the fixed body (1).
The fixing device according to claim 1, wherein:

The limit structure includes a limit body (3), and an installation through hole (311) is provided on the limit body (3);

The fixing body (1) is provided with a locking hole (12), the locking hole (12) is arranged corresponding to the installation through hole (311), and the locking hole (12) is a threaded hole;

The locking structure is a threaded fastener (4) matched with the locking hole (12), and the outer diameter of the threaded fastener (4) is not larger than the aperture of the installation through hole (311).
The fixing device according to claim 2, further comprising a guide structure, the guide structure comprising:

The sliding groove (51) is provided on one of the limiting body (3) and the fixed body (1);

The sliding rail (52) is arranged on the other of the limiting body (3) and the fixed body (1), and is suitable for being in contact with the sliding groove (51) in the sliding groove (51). ) Relative sliding occurs; and the relative sliding direction between the sliding rail (52) and the sliding groove (51) is consistent with the direction in which the limiting structure approaches or moves away from the accommodating cavity (2).
The fixing device according to claim 3, wherein the limiting body (3) comprises:

The locking portion (31) is provided with the installation through hole (311);

The guide part (32) is provided with the sliding groove (51) or the sliding rail (52);

The connecting portion (33) connects the locking portion (31) and the guide portion (32).
The fixing device according to claim 4, wherein the guide portion (32) and the locking portion (31) are spaced apart.
The fixing device according to claim 4, wherein:

The locking portion (31) is provided with a limiting cavity (312), and the mounting through hole (311) is formed on the cavity wall of the limiting cavity (312) and communicating with the limiting cavity (312) ；

The fixed body (1) is provided with a locking protrusion (13) adapted to be accommodated in the limiting cavity (312), and the locking hole (12) is formed on the locking protrusion (13) .
The fixing device according to claim 6, wherein the fixing body (1) comprises two opposite side walls (14), and a receiving structure connected between the two side walls (14) (15), the receiving structure (15) and the two side walls (14) jointly enclose the opening (11), and the locking protrusion (13) and the sliding rail (52) are arranged at intervals On the supporting structure (15).
The fixing device according to claim 7, wherein the side wall (14) is provided with a recess (141), and the connecting portion (33) is inserted into the recess (141) .
The fixing device according to claim 2, characterized in that the limiting structure further comprises an extension structure (6), and the extension structure (6) is directed from the limiting body (3) toward the accommodating cavity ( 2) One side protrudes into the accommodating cavity (2), and is suitable for cooperating with the limiting body (3) to perform the heating element (10) installed in the accommodating cavity (2) Limit.
The fixing device according to any one of claims 1-9, further comprising an installation structure for installing a temperature limiter (20).
The fixing device according to claim 10, characterized in that the installation structure comprises at least two limit walls (7), and a temperature limiter is provided between at least two limit walls (7). The distance between the main body; the limiting wall (7) extends outward from the outer wall of the fixed body (1), and a suitable space is formed between the limiting wall (7) and the outer wall of the fixed body (1) The card slot (71) of the temperature limiter (20) is inserted into the card.
The fixing device according to claim 10, wherein the mounting structure is provided at an end of the fixing body (1) opposite to the limiting structure.
A heating element assembly, characterized by comprising the fixing device according to any one of claims 1-12, a heating element (10) installed in the containing cavity (2), and a heating element (10) installed in the fixed The temperature limiter (20) on the body (1).
The heating element assembly according to claim 13, wherein the heating element (10) is a PTC heating element (10).
A device with a heating element assembly, characterized in that it comprises the heating element assembly according to claim 13 or 14.
The device with a heating element assembly according to claim 15, wherein the device with the heating element assembly is a heater.