WO2022205897A1 - Heating element mounting structure for fan heater and fan heater - Google Patents

Abstract

A heating element (2) mounting structure for a fan heater and a fan heater. The fan heater comprises a housing (1), and the housing (1) is internally provided with a heating element (2). The mounting structure comprises a support plate frame (3), the support plate frame (3) has a rear end connected to the rear side of the housing (1) and a front end connected to the front side of the housing (1), and the support plate frame (3) is obliquely arranged in a front-back direction. The support plate frame (3) comprises two support plates (31) which are parallel to each other and arranged front and back, a first connecting plate (32) connected between higher ends of the two support plates (31), and a second connecting plate (33) connected between lower ends of the two support plates (31), and the two support plates (31) are correspondingly connected to the two sides of the heating element (2). According to the heating element (2) mounting structure for a fan heater and the fan heater, the support plate frame (3) is provided to support and fix the heating element (2), the support plate frame (3) is heat-resistant such that a high-temperature mounting requirement of the heating element (2) can be met, and the connecting structure is simple such that the heating element (2) can be mounted conveniently.

Description

A heating element installation structure of a heater and the heater

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims the priority of the Chinese patent application with the application number of 202110336192.3 filed on March 29, 2021, entitled "A heating element mounting structure for a fan heater and a fan heater", which is incorporated herein by reference in its entirety.

technical field

The application relates to the technical field of air treatment equipment, and in particular, to a heating element installation structure for a fan heater and a fan heater.

Background technique

The principle of the PTC heater is to use the fan to force the air to flow through the PTC heating element for forced convection, which is the main heat exchange method. PTC heaters usually include heating elements and air ducts, and PTC elements are heating elements. Since the working temperature of PTC components can reach 200 °C, the requirements for the installation and fixing structure of PTC components are relatively high. It is usually necessary to install the PTC components in the air duct, and the air ducts that support and fix the PTC components are required to be able to withstand high temperature, and the high temperature resistance of the air duct materials has high requirements, and the installation structure of the PTC components and the air duct is complex , the operation is inconvenient.

The heating element of the existing air heater has the problem of complicated connection structure and inconvenient installation and fixation.

SUMMARY OF THE INVENTION

The present application provides a heating element installation structure of a fan heater and a fan heater, which are used to solve the problems of complicated connection structure and inconvenient installation and fixation of the heating element of the existing fan heater.

The application provides a heating element installation structure for a fan heater, wherein the fan heater includes a casing, and a heating element is arranged inside the casing, and the installation structure includes: a supporting plate frame, and the rear end of the supporting plate frame is connected to the On the rear side of the casing, the front end of the supporting plate frame is connected to the front side of the casing, and the supporting plate frame is inclined along the front-rear direction; the supporting plate frame includes two supports that are parallel to each other and are respectively arranged in the front and rear. plate, a first connecting plate connected between the upper ends of the two support plates, and a second connecting plate connected between the lower ends of the two support plates for connecting with The two sides of the heating element are connected correspondingly.

According to the heating element installation structure of the fan heater provided by the present application, the first connecting plate is a bending structure, one side of the first connecting plate is connected to the higher end of the supporting plate, and the first connecting plate is The other side is used to connect with the casing; the lower ends of the two support plates are respectively provided with a bending section, the second connecting plate is connected to the bending section, and the supporting plate frame is located at the The corresponding part of the bending section is connected with the casing.

According to the heating element installation structure of the fan heater provided by the present application, the second connecting plate is connected to the lower surface of the bending section, the bending section is provided with a slot, and the end of the second connecting plate passes through A connecting section is formed above the bending section out of the slot, and the connecting section is connected with the casing.

According to the heating element installation structure of the heater provided by the present application, the supporting plate frame is used to be arranged between the air inlet at the bottom of the casing and the air outlet at the top.

The heating element installation structure for a heater provided according to the present application further includes a protective net arranged above the heating element, and the protective net is horizontally arranged inside the casing.

According to the heating element installation structure of the heater provided by the present application, one side of the protective net is connected to the first connecting plate, and the other side of the protective net is supported and connected to the support plate.

The heating element mounting structure for a heater provided according to the present application further includes a temperature sensor provided above the heating element.

According to the heating element installation structure of the fan heater provided by the present application, the temperature sensor is connected to the first connection board.

According to the heating element installation structure of the heater provided by the present application, the included angle between the support plate and the vertical direction is 33-65°.

The present application also provides a fan heater, which includes the above-mentioned heating element installation structure of the fan heater, a casing and a heating element, and the heating element is fixed inside the casing through the installation structure.

The application provides a heating element installation structure for a fan heater and the fan heater. The support and fixation of the heating element is realized by arranging a supporting plate frame, and the supporting plate frame can meet the high temperature installation requirements of the heating element with heat resistance. The simple connection structure between the plate frame and between the plate frame and the casing can facilitate the installation of the heating element; and the plate frame has a frame structure, which will not cause a large area of the heating element, and can prevent the installation structure from supplying the heating element. In addition, setting the heating element in an inclined state through the pallet frame is also beneficial to increase the installation area of the heating element, which is beneficial to increase the heat supply and better ensure the heating effect.

Description of drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

Fig. 1 is the installation schematic diagram of the heating element of the air heater provided by the application inside the casing;

Fig. 2 is one of the front schematic views of the heating element installation structure provided by the present application;

3 is the second schematic view of the front view of the heating element installation structure provided by the present application;

FIG. 4 is the third schematic view of the front view of the heating element installation structure provided by the present application;

5 is a schematic view of the back of the heating element installation structure provided by the present application;

6 is a schematic diagram of the back of the connection between the first connecting plate and the supporting plate provided by the present application;

7 is a schematic diagram of the back of the connection between the second connecting plate and the supporting plate provided by the present application;

8 is a schematic front view of the connection between the second connecting plate and the supporting plate provided by the present application;

FIG. 9 is a schematic diagram of the setting structure of the temperature sensor provided by the present application.

Reference number:

1: Chassis; 11: Rear guard plate; 12: Front column; 2: Heating element; 3: Pallet frame; 31: Support plate; 311: Bending section; 32: First connecting plate; 33: Second connecting plate; 331: connecting section; 34: reinforcing groove; 35: wire clip; 4: protective net; 41: supporting rib; 5: fixing plate; 6: temperature sensor; 61: connecting piece.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the present application will be described clearly and completely below with reference to the accompanying drawings in the present application. Obviously, the described embodiments are part of the embodiments of the present application. , not all examples. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

The following describes in detail the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to be used to explain the present application, but should not be construed as a limitation to the present application.

The following disclosure provides many different embodiments or examples for implementing different structures of the present application. To simplify the disclosure of the present application, the components and arrangements of specific examples are described below. Of course, they are only examples and are not intended to limit the application. Furthermore, this application may repeat reference numerals and/or letters in different instances. This repetition is for the purpose of simplicity and clarity and does not in itself indicate a relationship between the various embodiments and/or arrangements discussed. In addition, this application provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the applicability of other processes and/or the use of other materials.

The heating element installation structure of the fan heater and the fan heater of the present application will be described below with reference to FIGS. 1 to 9 .

Referring to FIG. 1 , the present embodiment provides an installation structure for a heating element 2 of a fan heater, wherein the fan heater includes a casing 1 , and a heating element 2 is provided inside the casing 1 . The installation structure includes: a supporting plate frame 3, the rear end of the supporting plate frame 3 is connected to the rear side of the casing 1, the front end of the supporting plate frame 3 is connected to the front side of the casing 1, the The pallet frame 3 is inclined in the front-rear direction. Referring to FIG. 2 , the pallet frame 3 includes two support plates 31 parallel to each other and arranged in front and back respectively, a first connecting plate 32 connected between the higher ends of the two support plates 31 , and a first connecting plate 32 connected between the two supporting plates 31 . The second connecting plate 33 between the lower ends of the supporting plates 31 is used for connecting with the two sides of the heating element 2 correspondingly. The supporting plate frame 3 has a frame structure as a whole, that is, the supporting plates 31 on both sides, the first connecting plate 32 and the second connecting plate 33 are enclosed in a ring shape.

The installation structure of the heating element 2 is mainly used for the installation and fixing of the heating element 2 in the vertical air treatment equipment such as the heater. That is, the heating element 2 is supported and fixed inside the casing 1 by the supporting plate frame 3. Specifically, the two sides of the heating element 2 are connected with the supporting plates 31 on both sides in a one-to-one correspondence, and the heating element 2 is supported and fixed on the supporting plate 31. The two support plates 31 on the side are provided in the front-rear direction. And the heating element 2 is fixed obliquely forward and backward through the pallet frame 3 . The pallet frame 3 can be connected to the casing 1 obliquely forward and backward, and then the heating element 2 is connected to the support plates 31 on both sides of the pallet frame 3 to realize the inclined installation and fixation of the heating element 2 . That is, the support plate 31 is inclined in the front-rear direction, so that the support plate 31 has a higher end and a lower end in the front-rear direction.

The two support plates 31 on both sides of the pallet frame 3 are mainly used for corresponding connection with the two sides of the heating element 2 to support and fix the heating element 2 . The higher end and the lower end of the support plates 31 on both sides are respectively connected with connecting plates, which can facilitate the connection and fixation of the support plate frame 3 and the casing 1, and when the support plate frame 3 is installed on the casing 1, the first A connecting plate 32 can cover the gap between the higher end of the heating element 2 and the inner wall of the casing 1, and the second connecting plate 33 can cover the gap between the lower end of the heating element 2 and the inner wall of the casing 1, which is beneficial to as many as possible. The air flows through the heating element 2, reducing the air volume that does not flow through the heating element 2, thereby helping to improve the heating efficiency.

In the installation structure of the heating element 2 of the fan heater provided in this embodiment, the supporting and fixing of the heating element 2 is realized by arranging the supporting plate frame 3. The connection structure between the element 2 and the pallet frame 3 and between the pallet frame 3 and the casing 1 is simple, which can facilitate the installation of the heating element 2; , which can prevent the installation structure from affecting the heating of the heating element 2; in addition, setting the heating element 2 in an inclined state through the pallet frame 3 is also conducive to increasing the setting area of the heating element 2 and increasing the heat supply. Better guarantee of heating effect.

Specifically, the two sides of the heating element 2 can be correspondingly connected with the supporting plates 31 on both sides by bolts, so as to realize the fixed installation of the heating element 2 .

On the basis of the above-mentioned embodiment, further, referring to FIG. 3 , the first connecting plate 32 is a bending structure, one side of the first connecting plate 32 is connected with the higher end of the supporting plate 31 , and the The other side of the first connecting plate 32 is used for connecting with the casing 1 . Because the support plate 31 is inclined, connecting the first connecting plate 32 in a bent structure at the higher end of the support plate 31 can facilitate the connection and fixation of the support plate frame 3 and the casing 1 .

Specifically, referring to FIGS. 5 and 6 , in this embodiment, the first connecting plate 32 at least includes a first body and a second body that are connected by bending, the first body is connected to the higher end of the support plate 31 , and the second body is used for Connect to case 1. The first body is connected to the higher end of the support plate 31 to block the gap between the heating element 2 and the upper end face of the support plate 31 to reduce the air volume not passing through the heating element 2 and improve the heating efficiency. A bent connection is a connection with a certain angle. The specific bending angles of the second body and the first body are for the purpose of facilitating the connection between the second body and the casing 1 , and can be flexibly set according to the actual situation, which is not specifically limited.

Referring to FIG. 3 , the lower ends of the two support plates 31 are respectively provided with bending sections 311 ; the bending sections 311 are connected to the lower ends of the support plates 31 by bending. Further, the bending section 311 is bent downward and connected to the lower end of the support plate 31 , so as to be connected with the casing 1 at the bending section 311 . Referring to FIG. 4 , the second connecting plate 33 is connected to the bending section 311 , and the support frame 3 is connected to the casing 1 at the corresponding position of the bending section 311 . The second connecting plate 33 is used to block the gap between the lower end of the heating element 2 and the casing 1 , so as to reduce the air volume that does not flow through the heating element 2 and improve the heating efficiency.

Further, the supporting plate frame 3 is provided with a connecting section 331 at the bent section 311 of the lower end of the supporting plate 31 , and the lower end of the supporting plate frame 3 is connected to the casing 1 through the connecting section 331 .

Specifically, referring to FIG. 5 , in this embodiment, the second connecting plate 33 is connected to the lower surface of the bending section 311 . Referring to FIGS. 7 and 8 , the bending section 311 is provided with a slot, and the end of the second connecting plate 33 passes through the slot to form a connecting section 331 above the bending section 311 . The connecting section 331 is connected to the casing 1 . That is to say, in this embodiment, the second connecting plate 33 and the connecting section 331 can be integrated, and both ends of the second connecting plate 33 can be integrally bent to form the connecting section 331 respectively. side corresponding connection. In this embodiment, the second connecting plate 33 can be connected to the lower surface of the bending section 311 , and the end of the second connecting plate 33 passes through the slot on the bending section 311 to the top of the bending section 311 to form a connection. Paragraph 331.

Further, referring to FIG. 8 , the slot is a structure that penetrates through the bending section 311 , and the slot can pass through the lower end of the bending section 311 , which is convenient for the setting of the connecting section 331 and the integration of the connecting section 331 and the second connecting plate 33 connect. Specifically, in this embodiment, the connecting section 331 can be in a Z shape, which is convenient for connection with the casing 1 . In other embodiments, the connecting segment 331 may also be in a U-shape or any other regular or irregular shape, so as to facilitate the connection with the casing 1 , which is not specifically limited.

Further, in other embodiments, the connecting section 331 can also be an independent structure relative to the second connecting plate 33, that is, the independent connecting section 331 is set to be connected above the bending section 311 for connecting and fixing with the casing 1, At this time, the connecting section 331 can be connected to the bending section 311 .

On the basis of the above-mentioned embodiment, further, the support frame 3 is used to be arranged between the air inlet at the bottom of the casing 1 and the air outlet at the top. That is, in the present embodiment, the heater casing 1 is provided with an air inlet at the bottom and an air outlet at the top, and the heating element 2 is fixed between the air inlet and the air outlet through the support frame 3 . The circulating air enters from the air inlet at the bottom of the casing 1, flows through the heating element 2, and is blown out from the top of the casing 1. The support frame 3 is arranged below the air outlet on the top of the casing 1, that is, the heating element 2 is located below the air outlet and does not correspond to the air outlet, which can prevent the user from contacting the heating element 2 from the air outlet and improve safety.

On the basis of the above-mentioned embodiment, further, referring to FIG. 1 , a heating element 2 installation structure of a fan heater further includes a protective net 4 arranged above the heating element 2, and the protective net 4 is arranged horizontally on the inside the casing 1. The heating element 2 is arranged below the air outlet at the top of the casing 1, and a protective net 4 is arranged horizontally above the heating element 2, which can play a protective role between the heating element 2 and the air outlet and improve safety. The protective net 4 can be horizontally arranged inside the casing 1 and covers the entire section of the casing 1 to ensure the protective effect.

On the basis of the above embodiment, further referring to FIG. 6 , one side of the protective net 4 is connected to the first connecting plate 32 , and the other side of the protective net 4 is supported and connected to the support plate 31 . . The protective net 4 is arranged above the heating element 2 , and the height can be flush with the first connecting plate 32 . One side of the protective net 4 can be connected and fixed with the first connecting plate 32 , which can reduce damage to the casing 1 compared with connecting the protective net 4 to the casing 1 , and is beneficial to improve the sealing performance of the casing 1 . Since the protection net 4 is arranged horizontally and the support plate 31 is arranged obliquely, the other side of the protection net 4 can be supported on the support plate 31 .

Specifically, referring to FIG. 6 , in this embodiment, the first connecting plate 32 can be provided with a plurality of connecting holes, and one side of the protective net 4 can be correspondingly provided with a plurality of hooks, and one side of the protective net 4 can pass through the hooks and the connecting holes. The snap connection realizes the connection with the first connection board 32 . Referring to FIGS. 3 and 9 , support ribs 41 are respectively provided at the positions of the protective net 4 and the support plates 31 on both sides. One end of 41 is spaced apart from the first connecting plate 32 , so as to realize the support and fixation of the protective net 4 .

Further, in other embodiments, the connection structure between one side of the protective net 4 and the first connecting plate 32 and the supporting structure between the protective net 4 and the support plate 31 can also be other, so as to realize the protective net 4 For the purpose of fixing and facilitating installation, there is no specific limitation.

On the basis of the above-mentioned embodiment, further, referring to FIG. 3 , an installation structure of a heating element 2 for a fan heater further includes a temperature sensor 6 disposed above the heating element 2 . The circulating air enters from the air inlet at the bottom of the casing 1, flows through the heating element 2, and is blown out from the top of the casing 1. A temperature sensor 6 is arranged above the heating element 2, which can detect the temperature of the air heated by the heating element 2, so as to facilitate the detection of the heating effect of the heating element 2 and the regulation of the heated outlet air temperature.

On the basis of the above-mentioned embodiment, further referring to FIG. 3 , the temperature sensor 6 is connected to the first connecting plate 32 to facilitate installation and setting.

Specifically, referring to FIG. 9 , in this embodiment, the first connecting plate 32 is provided with an opening, and the opening is provided with a connecting piece 61 in a folded state, and a clamp can be sleeved on the temperature sensor 6, and the clamp can be connected with the connecting piece. 61 connection is fixed. The arrangement structure of the temperature sensor 6 reasonably utilizes the installation space of the first connecting plate 32 to be fixed above the heating element 2, and can effectively detect the temperature of the outlet air. In other embodiments, the fixing structure of the temperature sensor 6 may also be other, for the purpose of being able to achieve fixing, which is not specifically limited.

On the basis of the above embodiment, further, the included angle between the support plate 31 and the vertical direction is 33-65°. That is, the inclination angle of the pallet frame 3 and the heating element 2 relative to the vertical plane is 33-65°. Setting the inclination of the heating element 2 within this angle range can effectively increase the setting area, and is conducive to better heat exchange with the airflow, thereby improving the heating efficiency.

On the basis of the above embodiment, further, the pallet frame 3 is a sheet metal part; it has high heat resistance and is suitable for supporting and fixing the heating element 2 at a high temperature. The pallet frame 3 can also be other metal parts for the purpose of stably supporting the heating element 2 and being able to adapt to the high temperature of the heating element 2 , which is not specifically limited.

Further, the support frame 3 can be inclined downward or upward relative to the rear shield 11 of the cabinet 1 . FIG. 1 shows the setting state in which the pallet frame 3 is inclined downward. At this time, the front end of the pallet frame 3 and the heating element 2 is the lower end, and the rear end is the higher end. The first connecting plate 32 is connected and fixed with the rear shield 11 of the casing 1 ; the second connecting plate 33 can be connected and fixed with the front column 12 of the casing 1 through the connecting section 331 . When the pallet frame 3 is inclined upward relative to the rear guard 11 , the front end of the pallet frame 3 and the heating element 2 is the higher end, and the rear end is the lower end. Preferably, the support frame 3 can be inclined downward relative to the rear shield 11 , so as to facilitate the firm fixing between the first connecting plate 32 and the rear shield 11 .

Referring to FIG. 2 , FIG. 4 , FIG. 5 and FIG. 6 , the pallet frame 3 is configured with a concave-convex reinforcing structure. Specifically, a reinforcing groove 34 can be provided on the pallet frame 3, and the pallet frame 3 has a concave-convex structure at the reinforcing groove 34, that is, one side of the pallet frame 3 at the location of the reinforcing groove 34 is groove-shaped, and the other side is protruding shape. In this embodiment, an elongated reinforcing groove 34 may be respectively provided on the support plate 31 , the first connecting plate 32 and the second connecting plate 33 . In other embodiments, two or other numbers of reinforcing grooves 34 may also be provided, and the shape and specific location of the reinforcing grooves 34 may also be other, which are not specifically limited. The reinforcing structure may also include structures such as reinforcing ribs, which are not specifically limited.

Referring to FIGS. 3 , 6 and 8 , the sides of the support plate 31 , the sides of the first connecting plate 32 and the sides of the second connecting plate 33 may be respectively provided with bent edges. The arrangement of the reinforcement structure and the bending edge can increase the strength of the pallet frame 3 . Referring to FIGS. 1 to 4 , wire clips 35 may be provided on the pallet frame for fixing the wire harness. A plurality of wire clips 35 can be provided, and the specific location and quantity are not limited.

On the basis of the above embodiments, this embodiment further provides a fan heater, the fan heater includes the installation structure of the heating element 2 of the fan heater described in any of the above embodiments, and the fan heater further includes a casing 1 and A heating element 2, the heating element 2 is fixed inside the casing 1 through a mounting structure.

On the basis of the above-mentioned embodiment, further, referring to FIG. 1 , a volute air duct is arranged under the inside of the casing 1 , an air inlet is arranged at the bottom of the casing 1 , and an air inlet is arranged at the top of the casing 1 . There is an air outlet, a fan is arranged in the volute air duct, and the air duct inlet of the volute air duct is connected with the air inlet, and the air duct outlet of the volute air duct is upward toward the heating element 2 , the heating element 2 is fixed between the air duct outlet and the air outlet. Specifically, a fixing plate 5 is provided under the interior of the casing 1, and the fixing plate 5 is used to fix the volute air duct. That is, the heater enters the air from the air inlet at the bottom of the casing 1. Driven by the fan, the airflow enters the volute air duct through the air duct inlet, and then blows out from the air duct outlet to the heating element 2, and flows through the heating element 2 for heating. After warming up, it is blown out from the air outlet at the top of the casing 1.

On the basis of the above embodiment, further, an air treatment device in this embodiment may be a heater. This embodiment proposes a high-power heater based on the problem of insufficient rapid heating power of cabinets in the southwest and northwest regions in the current market. The fan heater includes a casing 1 , a volute air duct disposed below the interior of the casing 1 , and a heating element 2 disposed above the volute air duct inside the casing 1 . In this embodiment, the heating element 2 can be a PTC electric heating assembly. The PTC electric heating assembly is fixed inside the casing 1 through the pallet frame 3 .

The fixing method of the supporting plate frame 3 is specifically two supporting plates 31 on the left and right in the cabinet. The rear ends of the two supporting plates 31 are connected with a first connecting plate 32 , the first connecting plate 32 is fixed with the rear guard plate 11 , and the two supporting plates 31 The front end is connected with a second connecting plate 33 , and the front end is fixed with the front side upright 12 through the connecting section 331 . The electric heating is fixed on the left and right sheet metal support plates 31 . The distance between the front end of the left and right support plates 31 from the air duct outlet of the lower volute air duct is similar to the distance from the rear end of the left and right support plates to the air outlet, and the angle between the electric heating plate frame 3 and the rear guard plate 11 is 33°-65°.

In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", etc. is based on the orientation or positional relationship shown in the accompanying drawings, only for the purpose of It is convenient to describe the application and to simplify the description, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the application.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present application, "plurality" means two or more, unless otherwise expressly and specifically defined.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be The technical solutions described in the foregoing embodiments are modified, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions in the embodiments of the present application.

Claims (10)

1. A heating element installation structure for a heater, wherein the heater includes a casing, and a heating element is arranged inside the casing, characterized in that the installation structure comprises: a supporting plate frame, the rear end of the supporting plate frame is connected to the the rear side of the casing, the front end of the supporting plate frame is connected to the front side of the casing, and the supporting plate frame is inclined along the front-rear direction;

   The supporting plate frame includes two supporting plates parallel to each other and arranged front and rear respectively, a first connecting plate connected between the higher ends of the two supporting plates, and a first connecting plate connected between the lower ends of the two supporting plates. A second connecting plate between the two supporting plates is used for corresponding connection with two sides of the heating element.
2. The heating element installation structure for a fan heater according to claim 1, wherein the first connecting plate is a bending structure, and one side of the first connecting plate is connected with the higher end of the supporting plate, so The other side of the first connecting plate is used for connecting with the casing;

   The lower ends of the two support plates are respectively provided with bending sections, the second connecting plate is connected to the bending sections, and the support frame is connected to the casing at the corresponding positions of the bending sections .
3. The heating element installation structure for a fan heater according to claim 2, wherein the second connecting plate is connected to the lower surface of the bending section, the bending section is provided with a slot, and the second connecting plate is connected to the lower surface of the bending section. The end of the connecting plate passes through the slot to form a connecting section above the bending section, and the connecting section is connected with the casing.
4. The heating element installation structure for a fan heater according to any one of claims 1 to 3, wherein the support frame is used to be arranged between the air inlet at the bottom of the casing and the air outlet at the top.
5. The heating element installation structure for a fan heater according to claim 4, further comprising a protective net arranged above the heating element, wherein the protective net is horizontally arranged inside the casing.
6. The heating element installation structure for a heater according to claim 5, wherein one side of the protective net is connected to the first connecting plate, and the other side of the protective net is supported and connected to the support plate .
7. The heating element installation structure for a fan heater according to claim 4, further comprising a temperature sensor provided above the heating element.
8. The heating element mounting structure for a fan heater according to claim 7, wherein the temperature sensor is connected to the first connecting plate.
9. The heating element installation structure for a fan heater according to claim 1, wherein the included angle between the support plate and the vertical direction is 33-65°.
10. A heater, characterized in that it includes the heating element installation structure of the heater according to any one of the above claims 1-9, and also includes a casing and a heating element, and the heating element is fixed to the casing through the installation structure. internal.

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