Single-core series electric heat tracing system

Abstract

The utility model relates to the technical field of single-core series electric heat tracing, and discloses a single-core series electric heat tracing system, which comprises a first mounting shell, a second mounting shell, a bus harness and an electric heat tracing wire, first protective side plates are fixedly connected to the front end and the rear end of the inner wall of the first mounting shell, second protective side plates are fixedly connected to the front end and the rear end of the inner wall of the second mounting shell, and pipelines are connected to the inner walls of the first protective side plates and the inner walls of the second protective side plates in a clamped mode; and the middle part of the inner wall of the first mounting shell is fixedly connected with a first protection layer. According to the utility model, a worker can conveniently clamp the first mounting shell and the second mounting shell on the outer wall of the pipeline, the electric tracing wire is clamped through the first wire bunching block and the second wire bunching block, and the electric tracing wire is tightly attached to the outer wall of the pipeline, so that the worker can conveniently mount and dismount the electric tracing wire to a certain extent.

Description

Technical Field

[0001] The utility model relates to the technical field of single-core series electric heating, in particular to a single-core series electric heating system. Background Art

[0002] Single-core series electric heating is a heating technology that uses electrical energy to generate heat. It is used for insulation, antifreeze and heating of pipes, containers and equipment. Single-core series electric heating fixes resistance wire or conductive material on the surface or inside of the heated object, and generates heat by passing current through the resistance wire or conductive material, thereby achieving the purpose of heating. Single-core series electric heating is widely used in petrochemical, food and beverage, HVAC and other fields. Therefore, single-core series electric heating is gradually gaining people's attention.

[0003] However, most of the single-core series electric heating devices on the market are not convenient for installing the electric heating wire on the outer wall of the pipeline, which is inconvenient for workers to install and disassemble. In addition, when most of the single-core series electric heating devices are working, their electric heating wires are in contact with the outside air, which can easily lead to heat loss and energy waste, which may lead to poor heating effect of the electric heating wire on the pipeline.

[0004] Therefore, those skilled in the art provide a single-core series electric heating system to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a single-core series electric heating system, which reduces the heat loss of the electric heating line, saves energy, and improves the heating effect of the pipeline by providing a first insulation layer inside a first installation shell and a second insulation layer inside a second installation shell.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A single-core series electric heating system, comprising a first installation shell, a second installation shell, a bus bundle and an electric heating cable, wherein the first installation shell is hingedly connected to the second installation shell, the front end and the rear end of the inner wall of the first installation shell are fixedly connected to a first protective side plate, the front end and the rear end of the inner wall of the second installation shell are fixedly connected to a second protective side plate, and the inner walls of the first protective side plate and the second protective side plate are both clamped and connected to pipes;

[0008] A first protective layer is fixedly connected to the middle of the inner wall of the first installation shell, a second protective layer is fixedly connected to the middle of the inner wall of the second installation shell, a first thermal insulation layer is fixedly connected to the inner wall of the first protective layer, a second thermal insulation layer is fixedly connected to the inner wall of the second protective layer, a first harness block is fixedly connected to the middle of the inner wall of the first thermal insulation layer and both sides of the inner wall of the second protective layer, the first harness block is hingedly connected to the second harness block, and a plurality of electric heating wires are arranged inside the bus harness;

[0009] Through the above technical solution, by using the rotating block, the rotating rod and the threaded block in coordination, it is convenient to connect the first connecting plate with the second connecting plate, and then it is convenient for the staff to clamp the first mounting shell and the second mounting shell to the outer wall of the pipe, and clamp the electric heating wire through the first harness block and the second harness block, and make the electric heating wire fit tightly to the outer wall of the pipe, which is convenient for the staff to install and disassemble to a certain extent.

[0010] Furthermore, a plurality of fastening bolts are provided on the outer wall of the second harness block on one side close to the center of the pipeline, and the fastening bolts all penetrate the second harness block and are fixedly connected to the first harness block;

[0011] Through the above technical solution, it is convenient to fix the first wiring harness block and the second wiring harness block together by fastening bolts.

[0012] Furthermore, the inner walls of the first harness block and the second harness block are both sleeved on the outer wall of the electric heating cable;

[0013] Through the above technical solution, it is convenient to fix the position of the electric heating wire through the first wire bundle block and the second wire bundle block, so that the electric heating wire can fit closely to the outer wall of the pipeline.

[0014] Furthermore, the electric heating wires both pass through the first installation shell and the second installation shell, and the outer walls of the front ends of the first protective side plate and the second protective side plate are tightly fitted with the outer walls of the electric heating wires;

[0015] Through the above technical solution, it is convenient to protect the components inside the first installation shell and the second installation shell by the first protective side plate and the second protective side plate, and reduce the heat loss to a certain extent.

[0016] Furthermore, a first connecting plate is fixedly connected to the middle of the outer wall on one side of the first installation shell, and a plurality of mounting grooves are evenly formed in the middle of the outer wall on one side of the first connecting plate;

[0017] The above technical solution makes it easier for workers to install the rotating block.

[0018] Furthermore, the inner walls of the front end and the rear end of the installation groove are both hingedly connected with a rotating block, and the upper ends of the rotating blocks are fixedly connected with a rotating rod;

[0019] Through the above technical solution, it is convenient for the rotating block to drive the rotating rod, so that the rotating rod connects the first installation shell and the second installation shell.

[0020] Furthermore, the upper ends of the outer walls of the rotating rods are all threadedly connected with threaded blocks, and the upper ends of the rotating rods are all fixedly connected with limit blocks;

[0021] Through the above technical solution, it is convenient to lock the first mounting shell and the second mounting shell by the threaded block, and the threaded block is prevented from falling off the rotating rod by the limiting block.

[0022] Furthermore, a second connecting plate is fixedly connected to the middle of the outer wall on one side of the second installation shell, and a plurality of limiting grooves are evenly formed in the middle of the outer wall on one side of the second connecting plate;

[0023] Through the above technical solution, it is convenient to provide activity space for the rotating rod through the coordinated use of the limiting groove and the installation groove.

[0024] The utility model has the following beneficial effects:

[0025] 1. Compared with most of the single-core series electric heating devices on the market, the single-core series electric heating system proposed by the utility model facilitates the connection of the first connecting plate with the second connecting plate through the coordinated use of the rotating block, the rotating rod and the threaded block, and then facilitates the staff to clamp the first mounting shell and the second mounting shell to the outer wall of the pipeline, and clamp the electric heating wire through the first harness block and the second harness block, and make the electric heating wire fit tightly with the outer wall of the pipeline, which is convenient for the staff to install and disassemble to a certain extent.

[0026] 2. Compared with most single-core series electric heating devices on the market, the single-core series electric heating system proposed by the utility model reduces the heat loss of the electric heating line, saves energy, and improves the heating effect of the pipeline to a certain extent by providing a first insulation layer inside the first installation shell and a second insulation layer inside the second installation shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is an axonometric diagram of a single-core series electric heating system proposed by the utility model;

[0028] Figure 2 This is a structural schematic diagram of a single-core series electric heating system proposed by the utility model;

[0029] Figure 3 It is a structural schematic diagram of a first installation shell and a second installation shell of a single-core series electric heating system proposed by the utility model;

[0030] Figure 4It is a structural schematic diagram of a first harness block, a second harness block, a fastening thread and an electric heating wire of a single-core series electric heating system proposed by the utility model;

[0031] Figure 5 This is a partial structural schematic diagram of a single-core series electric heating system proposed by the utility model;

[0032] Figure 6 A single-core series electric heating system proposed by the utility model Figure 5 Enlarged view of point A in the middle.

[0033] Legend:

[0034] 1. First installation shell; 2. Second installation shell; 3. First protective side plate; 4. Second protective side plate; 5. First connecting plate; 6. Second connecting plate; 7. Installation groove; 8. Limiting groove; 9. Rotating block; 10. Rotating rod; 11. Threaded block; 12. Limiting block; 13. First protective layer; 14. First thermal insulation layer; 15. Second protective layer; 16. Second thermal insulation layer; 17. First harness block; 18. Second harness block; 19. Fastening bolts; 20. Bus harness; 21. Electric heating cable; 22. Pipeline. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] Reference Figure 1-6 The utility model provides an embodiment: a single-core series electric heating system, comprising a first installation shell 1, a second installation shell 2, a bus bundle 20 and an electric heating line 21, the first installation shell 1 is hingedly connected to the second installation shell 2, the front end and the rear end of the inner wall of the first installation shell 1 are fixedly connected with a first protective side plate 3, the front end and the rear end of the inner wall of the second installation shell 2 are fixedly connected with a second protective side plate 4, and the inner walls of the first protective side plate 3 and the second protective side plate 4 are both clamped and connected with a pipe 22;

[0037] A first protective layer 13 is fixedly connected to the middle of the inner wall of the first mounting shell 1, a second protective layer 15 is fixedly connected to the middle of the inner wall of the second mounting shell 2, a first thermal insulation layer 14 is fixedly connected to the inner wall of the first protective layer 13, a second thermal insulation layer 16 is fixedly connected to the inner wall of the second protective layer 15, a first wiring harness block 17 is fixedly connected to the middle of the inner wall of the first thermal insulation layer 14 and both sides of the inner wall of the second protective layer 15, the first wiring harness block 17 is hingedly connected to the second wiring harness block 18, and a plurality of electric heating cables 21 are arranged inside the bus harness 20.

[0038] By providing the first insulation layer 14 inside the first installation shell 1 and the second insulation layer 16 inside the second installation shell 2 , it is convenient to reduce the heat loss of the electric heating cable 21 , save energy, and improve the heating effect of the pipeline 22 .

[0039] The outer wall of the second harness block 18 near the center of the pipe 22 is provided with a plurality of fastening bolts 19, and the fastening bolts 19 all penetrate the second harness block 18 and are fixedly connected to the first harness block 17, so that the first harness block 17 and the second harness block 18 can be fixedly connected by the fastening bolts 19. The inner walls of the first harness block 17 and the second harness block 18 are both sleeved on the outer wall of the electric heating cable 21, so that the position of the electric heating cable 21 can be fixed by the first harness block 17 and the second harness block 18, so that the electric heating cable 21 can be closely fitted to the outer wall of the pipe 22. The electric heating cable 21 penetrates the first installation shell 1 and the second installation shell 2, and the outer walls of the front ends of the first protective side plate 3 and the second protective side plate 4 are closely fitted to the outer wall of the electric heating cable 21, so that the first protective side plate 3 and the second protective side plate 4 can be used to protect the components inside the first installation shell 1 and the second installation shell 2, and reduce the heat loss to a certain extent. The first connecting plate 5 is fixedly connected to the first connecting plate 5, and a plurality of mounting grooves 7 are evenly provided in the middle of the outer wall of one side of the first connecting plate 5, which is convenient for the staff to install the rotating block 9. The inner walls of the front end and the rear end of the mounting groove 7 are hingedly connected to the rotating block 9, and the upper end of the rotating block 9 is fixedly connected to the rotating rod 10, which is convenient for the rotating block 9 to drive the rotating rod 10, and then the rotating rod 10 connects the first mounting shell 1 and the second mounting shell 2. The upper end of the outer wall of the rotating rod 10 is threadedly connected with a threaded block 11, and the upper end of the rotating rod 10 is fixedly connected with a limiting block 12, which is convenient for locking the first mounting shell 1 and the second mounting shell 2 through the threaded block 11, and the threaded block 11 is prevented from falling off the rotating rod 10 through the limiting block 12. The middle part of the outer wall of one side of the second mounting shell 2 is fixedly connected with a second connecting plate 6, and a plurality of limiting grooves 8 are evenly provided in the middle part of the outer wall of one side of the second connecting plate 6, which is convenient for the limited groove 8 to be used in conjunction with the mounting groove 7 to provide a movable space for the rotating rod 10.

[0040] Working principle: When using the single-core series electric heating system, firstly, by using the rotating block 9, the rotating rod 10 and the threaded block 11 in coordination, it is convenient to connect the first connecting plate 5 with the second connecting plate 6, and then the first mounting shell 1 and the second mounting shell 2 are clamped to the outer wall of the pipe 22, and the electric heating wire 21 is clamped by the first harness block 17 and the second harness block 18, and the electric heating wire 21 is tightly fitted to the outer wall of the pipe 22. Secondly, by providing the first thermal insulation layer 14 inside the first mounting shell 1 and the second thermal insulation layer 16 inside the second mounting shell 2, it is convenient to reduce the heat loss of the electric heating wire 21, save energy, and improve the heating effect of the pipe 22 to a certain extent.

[0041] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A single-core series electric heating system, comprising a first installation shell (1), a second installation shell (2), a bus bundle (20) and an electric heating cable (21), characterized in that: The first installation shell (1) is hingedly connected to the second installation shell (2); the front end and the rear end of the inner wall of the first installation shell (1) are fixedly connected to the first protective side plate (3); the front end and the rear end of the inner wall of the second installation shell (2) are fixedly connected to the second protective side plate (4); the inner walls of the first protective side plate (3) and the second protective side plate (4) are both clamped and connected to the pipe (22); A first protective layer (13) is fixedly connected to the middle of the inner wall of the first installation shell (1), a second protective layer (15) is fixedly connected to the middle of the inner wall of the second installation shell (2), a first thermal insulation layer (14) is fixedly connected to the inner wall of the first protective layer (13), a second thermal insulation layer (16) is fixedly connected to the inner wall of the second protective layer (15), a first wiring harness block (17) is fixedly connected to the middle of the inner wall of the first thermal insulation layer (14) and both sides of the inner wall of the second protective layer (15), the first wiring harness block (17) is hingedly connected to the second wiring harness block (18), and a plurality of electric heating cables (21) are arranged inside the bus harness (20).

2. A single-core series electric heating system according to claim 1, characterized in that: A plurality of fastening bolts (19) are arranged on the outer wall of the second wiring harness block (18) on one side close to the center of the pipe (22), and the fastening bolts (19) all penetrate the second wiring harness block (18) and are fixedly connected to the first wiring harness block (17).

3. A single-core series electric heating system according to claim 1, characterized in that: The inner walls of the first harness block (17) and the second harness block (18) are both sleeved on the outer wall of the electric heating cable (21).

4. A single-core series electric heating system according to claim 1, characterized in that: The electric heating wire (21) passes through the first installation shell (1) and the second installation shell (2), and the outer walls of the front ends of the first protective side plate (3) and the second protective side plate (4) are tightly fitted with the outer walls of the electric heating wire (21).

5. The single-core series electric heating system according to claim 1, characterized in that: A first connecting plate (5) is fixedly connected to the middle of the outer wall on one side of the first installation shell (1), and a plurality of installation grooves (7) are evenly arranged in the middle of the outer wall on one side of the first connecting plate (5).

6. A single-core series electric heating system according to claim 5, characterized in that: The inner walls of the front and rear ends of the installation groove (7) are both hingedly connected to a rotating block (9), and the upper ends of the rotating blocks (9) are fixedly connected to a rotating rod (10).

7. A single-core series electric heating system according to claim 6, characterized in that: The upper ends of the outer walls of the rotating rods (10) are all threadedly connected with threaded blocks (11), and the upper ends of the rotating rods (10) are all fixedly connected with limit blocks (12).

8. The single-core series electric heating system according to claim 1, characterized in that: A second connecting plate (6) is fixedly connected to the middle portion of the outer wall on one side of the second installation shell (2), and a plurality of limiting grooves (8) are evenly arranged in the middle portion of the outer wall on one side of the second connecting plate (6).

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