Heat insulation structure of control box of electric warmer

Abstract

The utility model relates to an electric warmer control box heat insulation structure which is applied to an electric control box connected to one end of a heat radiation assembly of an electric warmer, a heat insulation distance is formed between the electric control box and the heat radiation assembly, and a wire protection sleeve is installed between the electric control box and the heat radiation assembly. And the end part, extending into the electric control box, of the wire protection sleeve is provided with a tightening structure for realizing necking. The heat insulation structure is helpful for reducing hot air in the heat radiation assembly from entering the electric control box.

Description

Technical Field

[0001] The utility model relates to a heat insulation structure of a control box of an electric heater. Background Art

[0002] The electric control box is the main device for controlling the electric heater, and is usually directly connected to the side end of the heat radiation component, which makes the electric control box easily affected by high temperature, affecting its operation. In addition, the wire protection sleeve used for the wires between the electric control box and the heat radiation component is usually larger in diameter to facilitate the installation and insertion of the wires, resulting in a larger gap between the wires and the wall of the wire protection sleeve, causing the heat in the heat radiation component to enter the electric control box through the wire protection sleeve, causing the electric control box to work in a high temperature environment, affecting its service life or normal operation. Utility Model Content

[0003] The utility model aims to provide a heat insulation structure for an electric heater control box, which helps to reduce the amount of hot air in a heat radiation component entering into the electric control box.

[0004] The technical solution of the utility model is: an insulation structure of an electric heater control box, applied to an electric control box connected to one end of a heat radiation component of the electric heater, an insulation distance is provided between the electric control box and the heat radiation component, a wire protection sleeve is installed between the electric control box and the heat radiation component, and the end of the wire protection sleeve extending into the electric control box is provided with a tightening structure for achieving shrinkage.

[0005] Furthermore, the tightening structure comprises an extension section of the wire protection sleeve extending into the electric control box, an outer wall of the extension section is provided with an annular recess, and a cable tie is tied to the annular recess.

[0006] Furthermore, the wire protection sleeve is provided with a thickened wall section with an annular protrusion between the electric control box and the heat radiation component.

[0007] Furthermore, connecting rods are provided on both sides of the electric control box, one end of the connecting rods penetrates into the heat radiation component and is screwed to the heat radiation component, and a heat insulation distance is formed between one end of the electric control box and the heat radiation component.

[0008] Furthermore, mounting holes for the connecting rod to pass through are provided on both sides of the lower part of the electric control box, and the connecting rod passes through the electric control box through the mounting holes and is locked.

[0009] Furthermore, the electric control box comprises a groove-shaped lower box body and a groove-shaped upper cover body, the lower box body and the upper cover body are buckled together, and the lower box body and the upper cover body are connected as a whole via sealing plates located at both ends.

[0010] Furthermore, sealing strips are provided between the mating interfaces where the two side plates of the lower box body and the two side plates of the upper cover body are buckled together, and sealing gaskets are provided between the inner side surface of the sealing plate and the lower box body and the upper cover body.

[0011] Furthermore, a control panel is installed in the lower box body, and a light-transmitting cover plate is embedded in the upper side surface of the upper cover body.

[0012] Furthermore, a power line threading tube is installed on the bottom surface of the electric control box.

[0013] Compared with the prior art, the utility model has the following advantages:

[0014] 1. The heat insulation structure helps to reduce the heat in the heat radiation component from entering the electric control box through the wire sheath, thereby reducing the impact of high temperature on the electric control box.

[0015] 2. By connecting the electric control box and the heat radiation component at a certain distance, the heat from the heat radiation component is prevented from being directly transferred to the electric control box, thereby reducing the impact of heat on the electric control box.

[0016] 3. The connection between the upper cover and the lower box of the electric control box is provided with a seal to help reduce the external heat from entering the electric control box. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the cooperation between the wire protection sleeve, the electric control box and the heat radiation component of the utility model;

[0019] Figure 3 This is a schematic diagram of the cooperation between the lower box body and the upper cover body of the utility model after the sealing plate is removed;

[0020] In the figure: 1-heat radiation component 2-electric control box 21-mounting hole 22-bolt 23-lower box body 24-upper cover body 25-sealing plate 26-threaded hole 27-sealing strip 28-sealing gasket 3-insulation distance 4-wire protection sleeve 41-extension section 42-annular recess 43-wall thickened section 5-connecting rod 6-control board 7-translucent cover plate 8-power line threading tube. DETAILED DESCRIPTION

[0021] In order to make the above features and advantages of the present invention more understandable, embodiments are given below with reference to the accompanying drawings for detailed description, but the present invention is not limited thereto.

[0022] refer to Figures 1 to 3

[0023] An electric heater control box heat insulation structure is applied to an electric control box 2 connected to one end of a heat radiation component 1 of an electric heater, a heat insulation distance 3 is provided between the electric control box and the heat radiation component, a wire protection sleeve 4 is installed between the electric control box and the heat radiation component, and a tightening structure for shrinking the end of the wire protection sleeve extending into the electric control box is provided. After the wire is installed, the port of the extension section is tightened, which helps to reduce the heat in the heat radiation component from entering the electric control box through the wire protection sleeve, and prevents the electric control box from being affected by high temperature.

[0024] In this embodiment, the tightening structure includes an extension section 41 of the wire protection sleeve extending into the electric control box, and the outer wall of the extension section is provided with an annular recess 42 to reduce the wall thickness; a cable tie is tied to the annular recess, so that the port of the extension section is tightened by the cable tie to reduce the gap between the wire and the pipe wall. The cable tie can be a plastic cable tie, and the wire protection sleeve can be made of silicone material. After the wire passes through the wire protection sleeve, a silicone sheet can be inserted into the tube of the extension section, and then tightened by the cable tie, which helps to further reduce the gap.

[0025] In this embodiment, the wire protection sleeve is provided with a ring-shaped raised wall thickened section 43 between the electric control box and the heat radiation component, which is used to limit the electric control box and the heat radiation component and ensure the distance of the heat insulation distance between the electric control box and the heat radiation component.

[0026] In this embodiment, connecting rods 5 are provided on both sides of the electric control box, one end of the connecting rods penetrates into the heat radiation component and is screwed with the heat radiation component, and a heat insulation distance is formed between one end of the electric control box and the heat radiation component to avoid direct connection between the electric control box and the heat radiation component, reduce the contact area, and help avoid direct transfer of heat from the heat radiation component to the electric control box.

[0027] In this embodiment, mounting holes 21 for connecting rods to pass through are provided on both sides of the lower part of the electric control box, and the connecting rods pass through the electric control box through the mounting holes and the ends are locked by bolts 22. The connecting rods have an exposed section (a section not extending into the electric control box and the heat radiation assembly) between the electric control box and the heat radiation assembly, and the exposed section can be 2-8 cm, thereby ensuring that the heat insulation distance is long enough.

[0028] In this embodiment, the electric control box includes a groove-shaped lower box body 23 and a groove-shaped upper cover body 24. The lower box body and the upper cover body are buckled together, and the lower box body and the upper cover body are connected as a whole through sealing plates 25 located at both ends. Both ends of the lower box body and the upper cover body are provided with threaded holes 26, and the sealing plates are screwed with screws and threaded holes to achieve locking.

[0029] In this embodiment, in order to improve the sealing effect and reduce the influence of the external temperature on the components in the electric control box, sealing strips 27 are provided between the mating interfaces of the two side plates of the lower box body and the two side plates of the upper cover body, and sealing gaskets 28 are provided between the inner side surfaces of the sealing plate and the lower box body and the upper cover body.

[0030] In this embodiment, a control panel 6 is installed in the lower box body, and a light-transmitting cover plate 7 is embedded in the upper side surface of the upper cover body so that the values ​​on the control panel can be displayed externally through the light-transmitting cover plate.

[0031] In this embodiment, a power line threading tube 8 is installed on the bottom surface of the lower box body to facilitate the insertion of the power line.

[0032] During installation, the connecting rod can be screwed to the heat radiation component first, one end of the wire protection sleeve can be connected to the heat radiation component and clamped on the heat radiation component, and then the mounting hole of the electric control box and the connecting rod can be aligned and inserted, the wire protection sleeve can be inserted into the electric control box and position the electric control box, and finally the other end of the electric control box can be screwed to the connecting rod through bolts to complete the installation of the electric control box.

[0033] If the present invention discloses or involves components or structures that are fixedly connected to each other, then, unless otherwise stated, the fixed connection can be understood as: a detachable fixed connection (for example, connection using bolts or screws), and can also be understood as: a non-detachable fixed connection (for example, riveting, welding). Of course, the fixed connection to each other can also be replaced by an integrated structure (for example, manufactured by one-piece molding using a casting process) (except where it is obviously impossible to use an one-piece molding process).

[0034] In addition, unless otherwise stated, the terms used to indicate positional relationships or shapes in any of the technical solutions disclosed in the above utility model include states or shapes that are approximate, similar or close thereto.

[0035] Any component provided by the utility model can be assembled from multiple separate components, or can be a separate component manufactured by an integrated molding process.

[0036] The above description is only a preferred embodiment of the present invention. All equivalent changes and modifications made according to the scope of the patent application of the present invention should fall within the scope of the present invention.

Claims

1. An electric heater control box insulation structure, applied to an electric control box connected to one end of a heat radiation component of an electric heater, characterized in that: There is a heat insulation distance between the electric control box and the heat radiation component. A wire protection sleeve is installed between the electric control box and the heat radiation component. The end of the wire protection sleeve extending into the electric control box is provided with a tightening structure for achieving shrinkage.

2. The electric heater control box insulation structure according to claim 1, characterized in that: The tightening structure comprises an extension section of the wire protection sleeve extending into the electric control box, an outer wall of the extension section is provided with an annular recess, and a cable tie is tied on the annular recess.

3. The heat insulation structure of the electric heater control box according to claim 1, characterized in that: The wire protection sleeve is located between the electric control box and the heat radiation component and is provided with a thickened wall section with an annular protrusion.

4. The electric heater control box insulation structure according to claim 1 or 2, characterized in that: Both sides of the electric control box are provided with connecting rods, one end of the connecting rods penetrates into the heat radiation component and is screwed with the heat radiation component, and a heat insulation distance is formed between one end of the electric control box and the heat radiation component.

5. The electric heater control box insulation structure according to claim 4, characterized in that: Both sides of the lower part of the electric control box are provided with mounting holes for the connecting rod to pass through, and the connecting rod passes through the electric control box through the mounting holes and is locked.

6. The electric heater control box insulation structure according to claim 1, 2 or 5, characterized in that: The electric control box comprises a groove-shaped lower box body and a groove-shaped upper cover body, the lower box body and the upper cover body are buckled, and the lower box body and the upper cover body are connected into one body through sealing plates located at both ends.

7. The heat insulation structure of the electric heater control box according to claim 6, characterized in that: Sealing strips are arranged between the mating interfaces where the two side plates of the lower box body and the upper cover body are buckled, and sealing gaskets are arranged between the inner side surface of the sealing plate and the lower box body and the upper cover body.

8. The heat insulation structure of the electric heater control box according to claim 6, characterized in that: A control panel is installed in the lower box body, and a light-transmitting cover plate is embedded in the upper side surface of the upper cover body.

9. The heat insulation structure of the electric heater control box according to claim 1, characterized in that: A power line threading tube is installed on the bottom surface of the electric control box.

Images