Directional radiation heating double-layer glass tube heater

Abstract

The utility model relates to a directed radiation heating double-layer glass tube heater, and relates to the field of glass tube heaters, the directed radiation heating double-layer glass tube heater comprises a glass cover tube and a heating resistance wire, the cross section of the glass cover tube is elliptical, the glass cover tube is a hollow tube, and the heating resistance wire is inserted into the glass cover tube. The glass tube heater has the effect that the upper side and the lower side of the glass tube are subjected to more heat exchange.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of glass tube heater, in particular to a directional radiation heating double-layer glass tube heater. BACKGROUND

[0002] In the air-cooled refrigerator, the heater is usually used to defrost the evaporator and other components of the cold and heat exchange chamber to ensure the refrigeration effect of the cold box. In the cold and heat exchange chamber, ice and frost are generally on the evaporator at the upper part of the heater and the water trough below the heater. There is little ice and frost on the chamber walls on both sides of the heater. The glass tube heater, also known as quartz heater, is widely used in the industrial field. The glass tube heater is provided with a heating wire for converting electrical energy into heat energy. By installing the glass tube heater in a mechanical device, the effect of heating and warming is achieved.

[0003] The related glass tube heater includes a glass cover tube and a heating wire. The glass cover tube is a circular tube structure, and an opening is formed at one end of the glass cover tube. The heating wire is inserted into the glass cover tube, and the heating wire is installed in the glass cover tube to seal the opening of the glass cover tube, so that the heating wire is in a sealed environment. When the glass tube heater is installed in a mechanical device, the heating wire is powered on to generate heat energy, which can be exchanged with the outside through the glass cover tube to uniformly heat the environment where the glass tube heater is located.

[0004] The related technical solutions in the above have the following defects: The common heater is in the shape of a cylinder, and emits the same amount of heat to the surrounding when working. When it is necessary to melt the ice and frost on the upper and lower parts of the heater as soon as possible, the chamber walls on the left and right sides will be subjected to excessive heat, which will cause deformation, discoloration and other phenomena. Content of the utility model

[0005] In order to make the glass tube heater exchange more heat with the upper and lower sides of the glass tube, the present application provides a directional radiation heating double-layer glass tube heater.

[0006] The directional radiation heating double-layer glass tube heater provided by the present application adopts the following technical solutions:

[0007] A directional radiation heating double-layer glass tube heater, comprising a glass cover tube and a heating resistance wire, the cross section of the glass cover tube is in the shape of an ellipse, the glass cover tube is a hollow tube, and the heating resistance wire is inserted into the glass cover tube.

[0008] By adopting the technical scheme, the heating resistance wire can convert electric energy into heat energy, the glass cover pipe can heat and play a heating role, the glass cover pipe is arranged as an elliptical cylinder structure, the surface area of the vertical two sides of the glass cover pipe is large, and the glass cover pipe can perform more heat exchange on the upper side and the lower side of the glass cover pipe, when the user arranges the glass cover pipe horizontally in the air-cooled refrigerator, the glass cover pipe can heat the evaporator and the water collecting groove in the air-cooled refrigerator by rotating and adjusting the glass cover pipe, the heating efficiency of the glass tube heater is improved, and heat energy waste is reduced.

[0009] Optionally, the heating resistance wire is an elliptical spring structure.

[0010] By adopting the technical scheme, the heating resistance wire is arranged as a spring structure, the heating resistance wire with a large length can be inserted into the glass cover pipe with a short length, so that the heating resistance wire can generate more heat, the heating effect is better, and the heating efficiency is improved by arranging the heating resistance wire as an elliptical spiral.

[0011] Optionally, the glass cover pipe comprises an outer pipe and an inner pipe, the inner pipe is inserted into the outer pipe, a gap exists between the outer pipe and the inner pipe, the heating resistance wire is inserted into the inner pipe, and the outer pipe and the inner pipe are both elliptical in cross section.

[0012] By adopting the technical scheme, a gap is arranged between the outer pipe and the inner pipe, the heat conduction speed of the heating resistance wire with the external environment is low, and the heat insulation performance of the glass tube cover is further improved.

[0013] Optionally, openings are arranged at both ends of the glass cover pipe, end plates are arranged at both ends of the heating resistance wire, the end plates are arranged on the end portions of the glass cover pipe and are bonded to the glass cover pipe, conductive pieces are arranged on the surfaces of the end plates away from the heating resistance wire, and the conductive pieces are electrically connected to the heating resistance wire.

[0014] By adopting the technical scheme, the conductive pieces can be fixed on the end plates and supply power to the heating resistance wire by arranging the end plates at the end portions of the heating resistance wire, when the heating resistance wire is installed in the glass cover pipe, the end plates can be arranged at the openings of the glass cover pipe, the user can bond the end plates by using an adhesive, the end plates can be sealingly connected to the glass cover pipe, and the heating resistance wire is in a sealed space.

[0015] Optionally, a fixing piece is detachably connected to the end portion of the glass cover pipe, the fixing piece is an elliptical cylindrical structure, the fixing piece is made of an elastic material, and the fixing piece is sleeved on the end portion of the glass cover pipe.

[0016] By adopting the technical scheme, the fixing member is sleeved on the end of the glass cover pipe to protect the glass cover pipe, the fixing member at both ends of the glass cover pipe is abutted on the inner side wall of the air-cooled refrigerator respectively, the fixing member is deformed, and the glass cover pipe is horizontally clamped in the air-cooled refrigerator, thereby facilitating installation.

[0017] Optionally, one end of the fixing member is connected with a bottom plate, and the bottom plate is perpendicular to the fixing member.

[0018] By adopting the technical scheme, the bottom plate is arranged on the fixing member, the fixing frame is abutted on the inner side wall through the bottom plate when the fixing member is abutted on the inner side wall of the air-cooled refrigerator, and the stability of the fixing frame is improved, thereby reducing the probability of falling off of the fixing frame from the inner side wall.

[0019] Optionally, a through hole is formed in the bottom plate, and a fixing bolt is arranged in the through hole.

[0020] By adopting the technical scheme, the through hole is formed in the bottom plate, and the fixing bolt is arranged in the through hole, so that the user can install the bottom plate at different positions through the fixing bolt, thereby facilitating the user to fix the glass cover pipe.

[0021] Optionally, the bottom plate is made of a magnet.

[0022] By adopting the technical scheme, the bottom plate can be adsorbed on the metal plate at different positions through magnetic force, thereby further facilitating installation and disassembly of the glass cover pipe.

[0023] In summary, the beneficial technical effects of the present application are as follows:

[0024] 1. The heating resistance wire is arranged in the glass cover pipe, the heating resistance wire can convert electric energy into heat energy, the glass cover pipe can heat and play a heating role, the glass cover pipe is arranged in an elliptical cylindrical structure, the surface area of the vertical two sides of the glass cover pipe is large, thereby the glass cover pipe can perform more heat exchange on the upper side and the lower side of the glass cover pipe, when the user horizontally arranges the glass cover pipe in the air-cooled refrigerator, the glass cover pipe can heat the evaporator and the water collecting groove in the air-cooled refrigerator by rotating and adjusting the glass cover pipe, the heating efficiency of the glass tube heater is improved, heat energy waste is reduced, and the heat radiation of the two sides of the glass cover pipe in the horizontal direction which does not need to be heated is small.

[0025] 2. The heating resistance wire is arranged in a spring structure, the heating resistance wire with a large length can be inserted into the glass cover pipe with a small length, thereby the heating resistance wire can generate more heat, the heating effect is better, and the heating resistance wire is arranged in an elliptical spiral, so that the heating resistance wire can heat more on the upper side and the lower side of the glass cover pipe, thereby improving the heating efficiency.

[0026] 3. The fixed part is arranged at the end of the glass cover pipe, the fixed part can be sleeved on the end of the glass cover pipe, and the fixed part can protect the glass cover pipe, and the user can abut the fixed parts at the two ends of the glass cover pipe on the inner side wall of the air-cooled refrigerator respectively, so that the fixed parts are deformed, and the glass cover pipe can be horizontally clamped in the air-cooled refrigerator, and installation is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the application.

[0028] Figure 2 It is a schematic diagram of the structure of the glass cover pipe of the embodiment of the application.

[0029] Figure 3 It is a schematic diagram of the structure of the heating resistance wire of the embodiment of the application.

[0030] Figure 4 It is a schematic diagram of the structure of the bottom plate of the embodiment of the application.

[0031] The fixed part is arranged at the end of the glass cover pipe, the fixed part can be sleeved on the end of the glass cover pipe, and the fixed part can protect the glass cover pipe, and the user can abut the fixed parts at the two ends of the glass cover pipe on the inner side wall of the air-cooled refrigerator respectively, so that the fixed parts are deformed, and the glass cover pipe can be horizontally clamped in the air-cooled refrigerator, and installation is facilitated. DETAILED DESCRIPTION

[0032] The application will be further described in detail below with reference to the drawings.

[0033] The embodiment of the application discloses a double-layer glass pipe heater of directional radiation heating, referring to Figure 1 , Figure 2 and Figure 3 , comprising a glass cover pipe 1, a heating resistance wire 2 and a fixed part 3, the glass cover pipe 1 is arranged as a cylinder structure with an elliptical cross section, openings are arranged at the two ends of the glass cover pipe 1, the heating resistance wire 2 is inserted into the glass cover pipe 1, end plates 21 are arranged at the two ends of the heating resistance wire 2, the end plates 21 are in sealing connection with the openings of the glass cover pipe 1, when the heating resistance wire 2 generates heat, the glass cover pipe 1 exchanges heat with the outside, when the glass cover pipe 1 is horizontally arranged in an air-cooled refrigerator, the glass cover pipe 1 can emit more heat radiation to the upper and lower sides, and emit less heat radiation to the horizontal two sides of the glass cover pipe 1, so that the heat radiation direction is directed to the position that needs to do work, the work efficiency of the heating resistance wire 2 is improved, and heat energy waste is reduced. The fixed part 3 is arranged at the two ends of the glass cover pipe 1, the fixed part 3 is used for horizontally installing the glass cover pipe 1 on the vertical side wall in the air-cooled refrigerator, and convenience is brought to use.

[0034] Referring to Figure 2The glass cover tube 1 comprises an outer tube 11 and an inner tube 12, the inner tube 12 is inserted into the outer tube 11, there is a gap between the outer tube 11 and the inner tube 12, and the cross sections of the outer tube 11 and the inner tube 12 are both oval. The heating resistance wire 2 is arranged in an oval spring structure, and the heating resistance wire 2 is inserted into the inner tube 12.

[0035] With reference to Figure 3 The end plate 21 is fixedly connected with the end of the heating resistance wire 2, and a conductive part 22 is arranged on the surface of the end plate 21 away from the heating resistance wire 2. The conductive part 22 is used for supplying power to the heating resistance wire 2. The heating resistance wire 2 is provided with the end plate 21 at both ends, and the conductive part 22 is arranged on each end plate 21 and electrically connected with the heating resistance wire 2. When the heating resistance wire 2 is inserted into the glass cover tube 1, the end plate 21 is arranged on the end of the glass cover tube 1 and is adhesively fixed. When the end plate 21 is adhesively fixed with the glass cover tube 1, the heating resistance wire 2 is located in the sealed space in the glass cover tube 1, and the conductive part 22 is located outside the glass cover tube 1. Therefore, the user can electrically connect the power line with the conductive part 22, so that the heating resistance wire 2 can convert the electric energy into heat energy.

[0036] With reference to Figure 1 The fixing part 3 is in an oval cylindrical structure, and is made of rubber or other elastic materials. The fixing part 3 is used for sleeving the end of the glass cover tube 1. When the glass cover tube 1 needs to be installed in the air-cooled refrigerator, the user sets the glass cover tube 1 horizontally, and makes the fixing parts 3 at both ends of the glass cover tube 1 abut against the vertical side walls in the air-cooled refrigerator, so that the glass cover tube 1 can be horizontally and suspendedly arranged between the two opposite vertical side walls.

[0037] With reference to Figure 4 In other embodiments, the fixing part 3 is adhesively fixed with a bottom plate 4 connected with one end of the fixing part 3. The bottom plate 4 is provided with a through hole, and a fixing bolt 41 is arranged in the through hole and used for fixing the bottom plate 4. When the glass cover tube 1 is inserted into the fixing part 3, the bottom plate 4 is fixed in the air-cooled refrigerator, so that the installation stability of the glass cover tube 1 in the air-cooled refrigerator is improved. The fixing part 3 has elasticity and can play a shock-absorbing effect, so as to protect the glass cover tube 1.

[0038] With reference to Figure 4 In other embodiments, the bottom plate 4 is provided with an adhesive on the surface away from the fixing part 3, and the bottom plate 4 is adhesively fixed in the air-cooled refrigerator, so as to be convenient to use and reduce the step of opening a threaded hole on the inner wall of the air-cooled refrigerator. In other embodiments, the bottom plate 4 can be made of a magnet, and the bottom plate 4 can be magnetically connected with the metal side wall of the air-cooled refrigerator, so as to further facilitate the installation and dismounting of the glass cover tube 1.

[0039] The implementation principle of the embodiment of the application is that: by setting the glass cover pipe 1 as an elliptical pipe body, when the glass cover pipe 1 is horizontally arranged, the vertical two sides of the glass cover pipe 1 have a larger air contact area, and the horizontal two sides have a smaller air contact area, when the heating resistance wire 2 works and radiates heat, more heat on the surface of the glass cover pipe 1 is conducted to the upper and lower two sides, so that the heating efficiency of the heating resistance wire 2 is improved, and the waste of heat energy is reduced.

[0040] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so: equivalent changes made according to the structure, shape, principle of the application should be covered within the protection scope of the application.

Claims

1. A double-layer glass tube heater for directional radiation heating, characterized in that: The invention comprises a glass cover tube (1) and a heating resistance wire (2). The cross section of the glass cover tube (1) is an ellipse. The glass cover tube (1) is a hollow tube. The heating resistance wire (2) is inserted into the glass cover tube (1).

2. The double-layer glass tube heater for directional radiation heating according to claim 1, characterized in that: The heating resistance wire (2) is an elliptical spring structure.

3. The double-layer glass tube heater for directional radiation heating according to claim 2, characterized in that: The glass cover tube (1) comprises an outer tube (11) and an inner tube (12), the inner tube (12) being inserted into the outer tube (11), a gap being present between the outer tube (11) and the inner tube (12), the heating resistance wire (2) being inserted into the inner tube (12), and the cross sections of the outer tube (11) and the inner tube (12) both being elliptical.

4. The double-layer glass tube heater for directional radiation heating according to claim 1, characterized in that: Both ends of the glass cover tube (1) are provided with openings, and both ends of the heating resistance wire (2) are provided with end plates (21). The end plates (21) are covered on the ends of the glass cover tube (1) and bonded to the glass cover tube (1). A conductive member (22) is provided on a surface of the end plate (21) away from the heating resistance wire (2), and the conductive member (22) is electrically connected to the heating resistance wire (2).

5. The double-layer glass tube heater for directional radiation heating according to claim 1, characterized in that: The end of the glass cover tube (1) is detachably connected to a fixing piece (3), the fixing piece (3) is an elliptical cylindrical structure, the fixing piece (3) is made of elastic material, and the fixing piece (3) is sleeved on the end of the glass cover tube (1).

6. The double-layer glass tube heater for directional radiation heating according to claim 5, characterized in that: One end of the fixing member (3) is connected to a bottom plate (4), and the bottom plate (4) is perpendicular to the fixing member (3).

7. The double-layer glass tube heater for directional radiation heating according to claim 6, characterized in that: A through hole is provided on the bottom plate (4), and a fixing bolt (41) is provided in the through hole.

8. The double-layer glass tube heater for directional radiation heating according to claim 6, characterized in that: The bottom plate (4) is made of magnets.

Images