Automatic heating device for cold-proof and anti-freezing heat tracing band
By using a dual-sided heating mechanism and high thermal conductivity insulation material, the heat loss and tape aging problems of the heating tape during pipeline heating are solved, achieving efficient heating and convenient maintenance.
Patent Information
- Application Number
- CN202520553046.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-03-27
AI Technical Summary
Existing heat tracing cables suffer from significant heat loss, high cost, and easy aging and detachment of pressure-sensitive tapes when heating pipelines, affecting the antifreeze protection effect.
The design incorporates a dual-sided heating mechanism, employing high thermal conductivity and high insulation materials, combined with a flame-retardant filling layer and a vacuum chamber structure to enhance heating efficiency and insulation performance. It also features convenient installation and maintenance via connecting clips.
It improves heating efficiency, reduces heat loss, lowers production costs, and facilitates maintenance through its detachable design.
Smart Images

Figure CN223725794U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of heat preservation, especially a kind of automatic heating device for cold-proof and freeze-proof heat tracing band. BACKGROUND
[0002] Heat tracing band can generate heat after being powered on, and can be used on the pipeline in the production workshop to play a heat preservation and freeze protection role.Ordinary heat tracing band also loses a large amount of heat while warming the pipeline, reducing the warming effect and increasing the production cost.In addition, the heat tracing band is usually fixed by directly sticking pressure-sensitive adhesive tape, which is prone to aging and separation, and the aging and damage of the pressure-sensitive adhesive tape will cause the heat tracing band to lose fixation, ultimately affecting the freeze protection effect of the pipeline. SUMMARY
[0003] Therefore, the utility model aims at overcoming the defects in the prior art and proposes an automatic heating device for cold-proof and freeze-proof heat tracing band.
[0004] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:
[0005] An automatic heating device for cold-proof and freeze-proof heat tracing band, comprising two identical heating mechanisms, the cross section of the heating mechanism is in a circular arc structure, the heating mechanism is located outside the pipeline body, the two ends of the heating mechanism are provided with a connecting band, the tail end of the connecting band is provided with a matching connecting buckle, and the heating mechanisms are connected through the connecting buckle.
[0006] The heating mechanism comprises two protective sleeve monomers and a heating unit, the protective sleeve monomers are oppositely arranged, the protective sleeve monomers are connected through a connecting piece, the inner side of the protective sleeve monomer is provided with a supporting seat, the supporting seat is provided with a clamping sleeve, the clamping sleeve is provided with a clamping groove, and the heating unit is located between the clamping grooves. Two clamping sleeves clamp the two ends of the heating unit, effectively fixing the position of the heating unit. The supporting seat fixes the clamping sleeve on the inner side of the protective sleeve monomer, improving the stability of the overall structure. The heating mechanisms are connected through the connecting buckle, and the protective sleeve monomers are connected through the connecting piece, so that the overall structure can be disassembled for easy installation and maintenance.
[0007] The inner side of the protective sleeve monomer is made of high-thermal-conductivity material, which is convenient for warming the pipeline body.
[0008] The outer side of the protective sleeve monomer is made of high-thermal-conductivity material. It prevents heat overflow and improves the warming performance.
[0009] Further, the heating unit comprises a connecting sleeve, an insulation layer and two heating assemblies which are identical in structure, the heating assemblies are located at the inner side of the insulation layer, and the insulation layer is located at the inner side of the connecting sleeve.
[0010] Further, the insulation layer and the heating assembly are provided with second conductive fillers.
[0011] Further, the connecting sleeve and the insulation layer are provided with fire-retardant fillers, and the fire-retardant fillers are internally provided with vacuum cavities.
[0012] The vacuum cavities are located at the outer side of the insulation layer and at both ends of the connecting sleeve, so that the heat preservation performance of the fire-retardant filler layer is improved, and heat overflow is prevented.
[0013] Further, the heating assembly comprises a conductive sleeve and two conductors, the conductors are located at the inner side of the conductive sleeve, the conductors are respectively located at both ends of the conductive sleeve, and the conductive sleeve and the conductors are provided with first conductive fillers.
[0014] Further, the first conductive fillers and the second conductive fillers are identical or different in material, the material hardness of the second conductive fillers can be higher than that of the first conductive fillers, so that the structural stability of the heating unit is improved, and the heating effect of the structure is improved.
[0015] Compared with the prior art, the utility model has the following advantages:
[0016] The cold-proof and anti-freezing heat tracing tape automatic heating device is provided with two heating mechanisms, can heat the pipeline body from both sides, and improves the heating efficiency; meanwhile, the heating mechanism is internally provided with two heating assemblies, and the heating effect is further improved. DRAWINGS
[0017] The drawings constituting a part of the utility model are used to provide further understanding on the utility model, the schematic embodiment of the utility model and the description thereof are used to explain the utility model, and do not constitute improper limitation on the utility model.
[0018] Fig. 1 The cold-proof and anti-freezing heat tracing tape automatic heating device is provided with two heating mechanisms, can heat the pipeline body from both sides, and improves the heating efficiency; meanwhile, the heating mechanism is internally provided with two heating assemblies, and the heating effect is further improved.
[0019] Fig. 2 The cold-proof and anti-freezing heat tracing tape automatic heating device is provided with two heating mechanisms, can heat the pipeline body from both sides, and improves the heating efficiency; meanwhile, the heating mechanism is internally provided with two heating assemblies, and the heating effect is further improved.
[0020] Explanation of reference signs:
[0021] 1. Pipeline body; 2. Heating mechanism; 3. Connecting strap; 4. Connecting buckle; 21. Protective sleeve unit; 22. Connector; 23. Support base; 24. Clamping sleeve; 25. Connecting sleeve; 26. Flame-retardant filler; 27. Vacuum chamber; 28. Insulation layer; 29. Second conductive filler; 210. First conductive filler; 211. Conductor; 212. Conductive sleeve. Detailed Implementation
[0022] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.
[0023] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.
[0024] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0025] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.
[0026] like Figs. 1-2 As shown, an automatic heating device for cold-proof and anti-freezing heat tracing tape includes two heating mechanisms 2 with identical structures. The cross-section of the heating mechanism 2 is arc-shaped. The heating mechanism 2 is located on the outside of the pipe body 1. Both ends of the heating mechanism 2 are provided with connecting straps 3, and the tail end of the connecting straps 3 is provided with matching connecting buckles 4. The heating mechanisms 2 are connected to each other through the connecting buckles 4.
[0027] The heating mechanism 2 comprises two protective sleeve units 21, a heating unit, the protective sleeve units 21 are oppositely arranged, the protective sleeve units 21 are connected through a connecting piece 22, the inner side of the protective sleeve units 21 is provided with a supporting seat 23, the supporting seat 23 is provided with a clamping sleeve 24, the clamping sleeve 24 is provided with a clamping groove, and the heating unit is located between the clamping grooves. Two clamping sleeves 24 clamp two ends of the heating unit respectively, and the position of the heating unit is effectively fixed. The supporting seat 23 fixes the clamping sleeve 24 to the inner side of the protective sleeve unit 21, and the stability of the overall structure is improved. The heating mechanism 2 is connected through a connecting buckle 4, and the protective sleeve units 21 are connected through the connecting piece 22, so that the overall structure is disassembled, and installation and maintenance are facilitated. The inner side of the protective sleeve unit 21 is made of high-thermal-conductivity material. The pipeline body 1 is heated. The outer side of the protective sleeve unit 21 is made of high-thermal-insulation material. Heat overflow is prevented, and the heating performance is improved.
[0028] The heating unit comprises a connecting sleeve 25, an insulation layer 28 and two heating assemblies with the same structure, the heating assemblies are located on the inner side of the insulation layer 28, and the insulation layer 28 is located on the inner side of the connecting sleeve 25. The insulation layer 28 and the heating assemblies are provided with second conductive fillings 29. The connecting sleeve 25 and the insulation layer 28 are provided with flame-retardant fillings 26, and the flame-retardant fillings 26 are provided with vacuum cavities 27. The vacuum cavities 27 are located on the outer side of the insulation layer 28 and at two ends of the connecting sleeve 25. The heat preservation performance of the flame-retardant filling layer is improved, and heat overflow is prevented.
[0029] The heating assembly comprises a conductive sleeve 212 and two conductors 211, the conductors 211 are located on the inner side of the conductive sleeve 212, and the conductors 211 are located at two ends of the conductive sleeve 212, and the conductive sleeve 212 and the conductors 211 are provided with first conductive fillings 210.
[0030] The first conductive fillings 210 and the second conductive fillings 29 are made of the same material or different materials. The material hardness of the second conductive fillings 29 can be higher than that of the first conductive fillings 210, so that the structural stability of the heating unit is improved. The first conductive fillings 210 and the second conductive fillings 29 improve the heating effect of the structure.
[0031] The above only describes preferred embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. An automatic heating device for a cold-proof and frost-proof heat tracing cable, characterized in that: It includes two identical heating mechanisms, each with a circular arc cross-section. Both heating mechanisms are located on the outside of the pipe body. Each heating mechanism has a connecting strap at both ends, and a matching connecting buckle at the end of each connecting strap. The heating mechanisms are connected to each other through the connecting buckle. The heating mechanism includes two protective sleeve units and a heating unit. The protective sleeve units are arranged opposite to each other and connected by a connector. Each protective sleeve unit has a support base on its inner side, and each support base has a clamping sleeve with a clamping groove. The heating unit is located between the clamping grooves.
2. The automatic heating device for cold-proof and anti-freezing heat tracing tape according to claim 1, characterized in that: The heating unit includes a connecting sleeve, an insulating layer, and two heating components with identical structures. The heating components are located inside the insulating layer, and the insulating layer is located inside the connecting sleeve.
3. The automatic heating device for cold-proof and anti-freezing heat tracing tape according to claim 2, characterized in that: A second conductive filler is provided between the insulating layer and the heating component.
4. The automatic heating device for cold-proof and anti-freezing heat tracing tape according to claim 3, characterized in that: A flame-retardant filler is provided between the connecting sleeve and the insulating layer, and the flame-retardant filler has a vacuum cavity inside.
5. The automatic heating device for cold-proof and anti-freezing heat tracing tape according to claim 4, characterized in that: The heating component includes a conductive sleeve and two conductors. The conductors are located inside the conductive sleeve and at both ends of the conductive sleeve. A first conductive filler is provided between the conductive sleeve and the conductors.
6. The automatic heating device for cold-proof and anti-freezing heat tracing tape according to claim 5, characterized in that: The first conductive filler may be made of the same material as or different from the second conductive filler.