Heating device of explosion-proof electromagnetic air heater

Abstract

The utility model discloses a heating device of an explosion-proof electromagnetic air heater, which comprises a mounting frame, the mounting frame comprises an upper cover plate, a lower bottom plate and two mounting shells, the upper ends of the two mounting shells are fixedly connected through the upper cover plate, and the lower ends of the two mounting shells are fixedly connected through the lower bottom plate; a plurality of finned tubes are distributed in the mounting frame, electromagnetic coils are arranged in the finned tubes in a penetrating manner, mounting chambers are formed in the mounting shell, and the two ends of each finned tube fixedly penetrate into the mounting chambers on the two opposite sides of the mounting frame respectively; a plurality of threading holes for cables to pass through are formed in the mounting shell; the structure is simple, the wiring positions of the electromagnetic coil and the cable can be conveniently adjusted, the electromagnetic coil and the cable can be conveniently disassembled, assembled and overhauled, the threading position of the cable can be conveniently adjusted by arranging a plurality of threading holes, and the cable can be conveniently disassembled, assembled and overhauled. Therefore, the connection point of the binding post and the electromagnetic coil is matched, and disassembly, assembly and maintenance are convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of electromagnetic hot air blowers, and specifically relates to a heating device of an explosion-proof electromagnetic hot air blower. Background Art

[0002] The electromagnetic hot air blower is a device that uses the principle of electromagnetic induction for heating. It is usually composed of an electromagnetic heater, a fan and a control device. The electromagnetic heater is its core component, which can efficiently convert electrical energy into thermal energy, and then heat the air delivered by the fan and transport it to the designated location. The electromagnetic heater usually contains a number of staggered fin tubes, in which an electromagnetic coil is passed. The wiring of the electromagnetic coil is complicated, which affects installation and maintenance. Utility Model Content

[0003] The utility model aims to overcome the shortcomings of the prior art and provide a heating device for an explosion-proof electromagnetic hot air blower, which solves the technical problems of complicated electromagnetic coil wiring, inconvenient installation and maintenance of electromagnetic heaters, and the like.

[0004] In order to solve the above problems, the technical solution of the utility model is: a heating device of an explosion-proof electromagnetic hot air blower, including an installation frame, the installation frame includes an upper cover plate, a lower base plate and two installation shells, the upper ends of the two installation shells are fixedly connected by the upper cover plate, and the lower ends of the two installation shells are fixedly connected by the lower base plate; a plurality of fin tubes are distributed in the installation frame, the fin tubes are used to pass electromagnetic coils, and the installation shell has an installation chamber, and the two ends of the plurality of fin tubes are respectively fixedly inserted into the installation chambers on opposite sides of the installation frame; a plurality of threading holes for cables to pass through are opened on the installation shell; a mounting seat is fixedly arranged in the installation shell, and a plurality of mounting grooves are opened on the mounting seat, and the mounting grooves are used to install wiring posts in a one-to-one correspondence, and the wiring posts are used to connect the ends of the electromagnetic coils to the cables.

[0005] Optionally, the fin tube includes a mounting tube and heat dissipation fins distributed on the outer wall of the mounting tube, the length of the mounting tube is greater than the axial length of the heat dissipation fins, and there is a movable gap between the axial end of the heat dissipation fin and the adjacent side wall of the mounting frame.

[0006] Optionally, at least one electromagnetic coil is installed in each fin tube.

[0007] Optionally, two ends of each electromagnetic coil are respectively connected to two adjacent terminals on the mounting base.

[0008] Optionally, each electromagnetic coil passes through part or all of several fin tubes in succession.

[0009] Optionally, both ends of the fin tube are fixed to the mounting frame by welding.

[0010] Optionally, a plurality of tube holes for one end of the fin tube to pass through are provided on the vertical end wall of the mounting shell, and a plurality of the threading holes are provided on one of the vertical side walls of the mounting shell adjacent to the vertical end wall.

[0011] Optionally, the mounting shell includes a vertical U-shaped plate and an outer end plate, the side opening of the U-shaped plate is covered by the outer end plate, and the upper and lower end openings of the mounting shell are respectively covered by an upper cover plate and a lower base plate.

[0012] Optionally, the end of the fin tube is flush with the inner wall of the vertical end wall of the mounting shell.

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

[0014] The utility model provides a mounting seat in an installation room, on which a plurality of mounting grooves are provided, and wiring posts are installed in the mounting grooves in a one-to-one correspondence, so that the electrical connection position of the cable and the electromagnetic coil can be adjusted conveniently, and the wiring is regular, and disassembly and maintenance are convenient. By providing a threading hole, the threading position of the cable can be adjusted conveniently, and the threading position of the cable can be matched with the position of the wiring post and the electromagnetic coil, thereby reducing the complexity of winding the cable and the electromagnetic coil in the installation room, saving the length of the electromagnetic coil and the cable, and the layout is regular, and disassembly and maintenance are convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is an internal schematic diagram of a heating device in an embodiment;

[0016] Figure 2 It is a structural schematic diagram of a U-shaped plate in an embodiment;

[0017] Figure 3 Schematic diagram of the installation of the heating device in the embodiment.

[0018] Figure numerals: 1. Installation frame; 11. Upper cover plate; 12. Lower base plate; 13. Installation shell; 131. Installation chamber; 132. Threading hole; 133. Installation seat; 1331. Installation groove; 134. Vertical end wall; 1341. Pipe hole; 135. Vertical side wall; 136. U-shaped plate; 137. Outer end plate; 138. Terminal; 2. Fin tube; 21. Installation tube; 22. Heat dissipation fin; 23. Movable gap; 3. Fan; 4. Air duct. DETAILED DESCRIPTION

[0019] The utility model is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0020] Example: Figure 1-Figure 3As shown, the present embodiment provides a heating device for an explosion-proof electromagnetic hot air blower, comprising a mounting frame 1, the mounting frame 1 comprising an upper cover plate 11, a lower base plate 12 and two mounting shells 13, the upper ends of the two mounting shells 13 are fixedly connected by the upper cover plate 11, and the lower ends of the two mounting shells 13 are fixedly connected by the lower base plate 12; a plurality of fin tubes 2 are distributed in the mounting frame 1, the fin tubes 2 are used to pass through the electromagnetic coil, and the mounting shell 13 has a mounting chamber 131, and the two ends of the plurality of fin tubes 2 are respectively fixedly inserted into the mounting chambers 131 on opposite sides of the mounting frame 1; a plurality of threading holes 132 for passing cables are provided on the mounting shell 13; a mounting seat 133 is fixedly arranged in the mounting shell 13, and a plurality of mounting grooves 1331 are provided on the mounting seat 133, and the mounting grooves 1331 are used to install terminal posts 138 in a one-to-one correspondence, and the terminal posts 138 are used to electrically connect the ends of the electromagnetic coils with the cables.

[0021] Through the above-mentioned arrangement, the electromagnetic coil and the cable are electrically connected through the terminal 138 on the mounting base 133. The structure is simple, and it is convenient to adjust the wiring position of the electromagnetic coil and the cable, and it is convenient to disassemble and overhaul the electromagnetic coil and the cable. By setting a plurality of threading holes 132, it is convenient to adjust the threading position of the cable to match the connection point of the terminal 138 and the electromagnetic coil, which is convenient for disassembly and overhaul.

[0022] In the heating device of the explosion-proof electromagnetic hot air blower of this embodiment, the fin tube 2 includes a mounting tube 21 and heat dissipation fins 22 distributed on the outer wall of the mounting tube 21. The length of the mounting tube 21 is greater than the axial length of the heat dissipation fins 22. There is a movable gap 23 between the axial end of the heat dissipation fin 22 and the adjacent side wall of the mounting frame 1. In this arrangement, the movable gap 23 is reserved, which facilitates the installation and removal of the fin tube 2.

[0023] In the heating device of the explosion-proof electromagnetic hot air blower of this embodiment, at least one electromagnetic coil is installed in each fin tube 2. One or more electromagnetic coils can be inserted into the fin tube 2, so that the number of electromagnetic coils can be increased or decreased according to different use environments, and the adaptability is good.

[0024] In the heating device of the explosion-proof electromagnetic hot air blower of this embodiment, the two ends of each electromagnetic coil are respectively connected to two adjacent connecting posts 138 on the mounting seat 133. The regularity of the layout of the electromagnetic coil is improved, and disassembly, assembly and maintenance are convenient.

[0025] In the heating device of the explosion-proof electromagnetic hot air blower of this embodiment, each electromagnetic coil continuously passes through part or all of the plurality of fin tubes 2. The electromagnetic coil can pass through the upper half of the fin tube 2, so that the heat generation of the upper half of the fin tube 2 can be controlled separately, which is convenient for adjusting the heating area of ​​the heater.

[0026] In the heating device of the explosion-proof electromagnetic hot air blower of this embodiment, both ends of the fin tube 2 are welded and fixed to the mounting frame 1. The structure is simple, the installation is stable, the process is simple, and the cost is low.

[0027] In the heating device of the explosion-proof electromagnetic hot air blower of this embodiment, a plurality of tube holes 1341 for one end of the fin tube 2 to pass through are provided on the vertical end wall 134 of the mounting shell 13, and a plurality of the threading holes 132 are provided on one of the vertical side walls 135 adjacent to the vertical end wall 134 of the mounting shell 13. The structure is simple, and the tube holes 1341 and the threading holes 132 are respectively located on the adjacent vertical end wall 134 and the vertical side wall 135, so that it is convenient to electrically connect the cable to the electromagnetic coil through the terminal 138.

[0028] In the heating device of the explosion-proof electromagnetic hot air blower of this embodiment, the mounting shell 13 includes a vertical U-shaped plate 136 and an outer end plate 137, the side opening of the U-shaped plate 136 is covered by the outer end plate 137, and the upper and lower end openings of the mounting shell 13 are respectively covered by the upper cover plate 11 and the lower base plate 12.

[0029] Through the above arrangement, the U-shaped plate 136 and the outer end plate 137 form the installation shell 13, which has a simple structure and good installation stability. Optionally, the outer end plate 137 is fixedly connected to the U-shaped plate 136 by bolts. The U-shaped plate 136, the outer end plate 137, the upper cover plate 11 and the lower bottom plate 12 form a closed installation chamber 131, which protects the electromagnetic coil in the installation chamber 131.

[0030] Optionally, the vertical end wall 134 and the two vertical side walls 135 form the U-shaped plate 136, and the two vertical side walls 135 are integrally connected or fixedly connected to the opposite side ends of the vertical end wall 134. The threading hole 132 and the tube hole 1341 are respectively located on the adjacent vertical end wall 134 and the vertical side wall 135, which makes it more convenient to install the cable and the tube hole 1341.

[0031] In the heating device of the explosion-proof electromagnetic hot air blower of this embodiment, the heating device, the blower 3 and the air cylinder 4 are installed to form the electromagnetic hot air blower 3. The hot air is transported to the designated area with a simple structure and low cost.

[0032] In the heating device of the explosion-proof electromagnetic hot air blower of this embodiment, a plurality of fin tubes 2 are parallel, and the fin tubes 2 in two adjacent rows are arranged alternately up and down, thereby changing the air flow direction, increasing the contact area between the air and the fin tubes 2, and improving the heating effect.

[0033] In the heating device of the explosion-proof electromagnetic hot air blower of this embodiment, the end of the fin tube 2 is flush with the inner wall of the vertical end wall 134 on the mounting shell 13. This arrangement prevents the tube end of the fin tube 2 from scratching the electromagnetic coil or cable.

Claims

1. A heating device for an explosion-proof electromagnetic hot air blower, characterized in that: The invention comprises an installation frame (1), wherein the installation frame (1) comprises an upper cover plate (11), a lower base plate (12) and two installation shells (13), wherein the upper ends of the two installation shells (13) are fixedly connected via the upper cover plate (11), and the lower ends of the two installation shells (13) are fixedly connected via the lower base plate (12); a plurality of fin tubes (2) are distributed in the installation frame (1), wherein the fin tubes (2) are used to pass electromagnetic coils, and the installation shells (13) are provided with installation chambers (131), wherein the plurality of fin tubes (2 ) are fixedly inserted into installation chambers (131) on opposite sides of the installation frame (1); a plurality of threading holes (132) for passing cables are provided on the installation shell (13); a mounting seat (133) is fixedly arranged in the installation shell (13), and a plurality of mounting grooves (1331) are provided on the installation seat (133); the mounting grooves (1331) are used to install terminal posts (138) in a one-to-one correspondence, and the terminal posts (138) are used to connect the ends of the electromagnetic coils to the cables.

2. The heating device of an explosion-proof electromagnetic hot air blower according to claim 1, characterized in that: The fin tube (2) comprises a mounting tube (21) and heat dissipation fins (22) distributed on the outer wall of the mounting tube (21); the length of the mounting tube (21) is greater than the axial length of the heat dissipation fins (22); and a movable gap (23) is provided between the axial end of the heat dissipation fin (22) and the adjacent side wall on the mounting frame (1).

3. The heating device of an explosion-proof electromagnetic hot air blower according to claim 1, characterized in that: At least one electromagnetic coil is installed in each fin tube (2).

4. The heating device of an explosion-proof electromagnetic hot air blower according to claim 1, characterized in that: Two ends of each electromagnetic coil are respectively connected to two adjacent connecting posts (138) on the mounting seat (133).

5. The heating device of an explosion-proof electromagnetic hot air blower according to claim 1, characterized in that: Each electromagnetic coil passes through part or all of a plurality of fin tubes (2) in succession.

6. The heating device of an explosion-proof electromagnetic hot air blower according to claim 1, characterized in that: Both ends of the fin tube (2) are fixed to the mounting frame (1) by welding.

7. The heating device of an explosion-proof electromagnetic hot air blower according to claim 1, characterized in that: A plurality of tube holes (1341) are provided on the vertical end wall (134) of the mounting shell (13) for one end of the fin tube (2) to pass through one by one, and a plurality of threading holes (132) are provided on one of the vertical side walls (135) of the mounting shell (13) adjacent to the vertical end wall (134).

8. The heating device of an explosion-proof electromagnetic hot air blower according to claim 1, characterized in that: The mounting shell (13) comprises a vertical U-shaped plate (136) and an outer end plate (137); the side opening of the U-shaped plate (136) is sealed by the outer end plate (137); and the upper and lower end openings of the mounting shell (13) are respectively sealed by an upper cover plate (11) and a lower base plate (12).

9. The heating device of an explosion-proof electromagnetic hot air blower according to claim 1, characterized in that: The end of the fin tube (2) is flush with the inner wall of the vertical end wall (134) on the mounting shell (13).

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