Heat wire fixing structure of high-temperature-resistant flame-retardant fabric

The hot wire structure is fixed by high-temperature resistant and flame-retardant fabric, which solves the safety hazard caused by short circuit during the maintenance of the heating jacket and realizes the high-temperature resistance, flame retardancy and safety of the heating jacket.

CN223415040UActive Publication Date: 2025-10-03JIANGSU HAOYAN EQUIPMENT TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422622709.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-30
Publication Date
2025-10-03
Estimated Expiration
2034-10-30

AI Technical Summary

Technical Problem

The existing heating jacket is prone to overheating due to short circuit during maintenance, endangering the safety of workers.

Method used

The hot wire structure is fixed with high-temperature resistant and flame-retardant fabric, including the surface layer, insulation layer and inner layer. The layers are connected by stitching. The surface layer and inner layer are composed of specific materials and are equipped with a sudden jump temperature control switch and temperature sensor to prevent short circuit.

Benefits of technology

It effectively prevents short circuit inside the heating jacket, ensures safety, and has excellent high temperature resistance and flame retardant properties to protect the safety of maintenance personnel.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a heat wire fixing structure made of a high-temperature-resistant flame-retardant fabric, and relates to the technical field of heating jackets. The heating jacket comprises a heating jacket body, the heating jacket body comprises a surface layer, an insulating layer and an inner layer, the inner surface of the insulating layer is fixedly connected with a kick type temperature control switch and an electric heating wire respectively, and the bottom of the kick type temperature control switch is electrically connected with a connecting wire. The surface layer comprises a first corrosion-resistant layer, a first high-temperature-resistant layer, a first acid and alkali-resistant layer and a second high-temperature-resistant layer. The heating jacket body is sleeved on the surface of a pipeline for use, the connecting wire is matched with the kick type temperature control switch temperature controller to heat the electric heating wire, so that the pipeline is heated, and the heating jacket body has excellent high-temperature-resistant and flame-retardant characteristics through materials arranged on the surface layer and the inner layer; the short circuit phenomenon in the heating jacket body is prevented through the kick type temperature control switch and the temperature sensor.
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Description

Technical Field

[0001] The utility model belongs to the technical field of heating jackets, in particular to a high-temperature resistant and flame-retardant fabric fixed heating wire structure. Background Art

[0002] Heating jackets are used to maintain the temperature of vacuum and gas pipelines used in various technology industries. They are tailored to customer needs and are manufactured through special processes after careful design and mapping based on the specific size, shape and operating environment of the customer's on-site vacuum and gas pipelines.

[0003] The heating jacket needs to be resistant to high temperatures during use, so the heating jacket needs to be made of fabric with good high-temperature resistance. If a short circuit occurs in the internal circuit of the heating jacket, the internal temperature will be too high, causing accidents and causing harm to the staff when they are repairing the device.

[0004] To this end, we provide a high-temperature resistant and flame-retardant fabric fixed hot wire structure to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a high-temperature resistant and flame-retardant fabric fixed hot wire structure, which solves the problem that the heating jacket in the prior art cannot effectively prevent the danger to maintenance personnel when a short circuit occurs inside the heating jacket through the coordinated arrangement of a layer, an insulating layer, a sudden jump temperature control switch thermostat, an inner layer and a temperature sensor.

[0006] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0007] The utility model is a high-temperature resistant and flame-retardant fabric fixed hot wire structure, comprising a heating jacket body, the heating jacket body comprising a surface layer, an insulating layer and an inner layer, the inner surface of the insulating layer being fixedly connected to a snap-type temperature control switch, a thermostat and a heating wire, respectively, and the bottom of the snap-type temperature control switch, a thermostat being electrically connected to a connecting wire;

[0008] The surface layer includes a first corrosion-resistant layer, a first high-temperature-resistant layer, a first acid- and alkali-resistant layer, and a second high-temperature-resistant layer;

[0009] The inner layer includes a third high temperature resistant layer, a second acid and alkali resistant layer, a fourth high temperature resistant layer and a second corrosion resistant layer.

[0010] The present invention is further configured such that the surface layer and the insulating layer are connected by sewing, and the insulating layer and the inner layer are connected by sewing.

[0011] The present invention is further configured such that two temperature sensors are fixedly connected to the surface of the insulating layer, and the temperature sensors are electrically connected to the thermostat of the sudden temperature control switch.

[0012] The present invention is further configured such that the material of the first corrosion-resistant layer is silicon-coated fiber cloth, and the material of the first high-temperature-resistant layer is Teflon cloth.

[0013] The present invention is further configured such that the material of the first acid and alkali resistant layer is PTFE, and the material of the second high temperature resistant layer is high silica cloth.

[0014] The present invention is further configured such that the material of the third high temperature resistant layer is high silica cloth, and the material of the second acid and alkali resistant layer is PTFE.

[0015] The utility model is further configured such that the material of the fourth high temperature resistant layer is Teflon cloth, and the material of the second corrosion resistant layer is silicon coated fiber cloth.

[0016] The utility model has the following beneficial effects:

[0017] The utility model is used by arranging a heating jacket body on the surface of a pipeline, heating the electric heating wire through a connecting line in cooperation with a sudden jump type temperature control switch thermostat, thereby heating the pipeline, the heating jacket body is provided with excellent high temperature resistance and flame retardant properties by the materials provided on the surface layer and the inner layer, and a short circuit phenomenon inside the heating jacket body is prevented by the sudden jump type temperature control switch thermostat and the temperature sensor.

[0018] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 A three-dimensional diagram of the structure of a hot wire fixed to a high-temperature resistant and flame-retardant fabric;

[0021] Figure 2 This is a left-view expanded diagram of the local structure of a heat wire fixing structure for a high-temperature resistant and flame-retardant fabric;

[0022] Figure 3 This is a top view of the local structure of a hot wire fixing structure for a high-temperature resistant and flame-retardant fabric;

[0023] Figure 4This is a structural diagram of the surface layer of a high-temperature resistant and flame-retardant fabric with a fixed heat wire structure;

[0024] Figure 5 This is a structural diagram of the inner layer of a high-temperature resistant and flame-retardant fabric with a fixed heat wire structure.

[0025] In the accompanying drawings: 1. Heating jacket body; 101. Surface layer; 1001. First corrosion-resistant layer; 1002. First high-temperature resistant layer; 1003. First acid- and alkali-resistant layer; 1004. Second high-temperature resistant layer; 102. Insulation layer; 103. Snap-type temperature control switch; 104. Heating wire; 105. Inner layer; 1051. Third high-temperature resistant layer; 1052. Second acid- and alkali-resistant layer; 1053. Fourth high-temperature resistant layer; 1054. Second corrosion-resistant layer; 106. Connecting wire; 107. Temperature sensor. DETAILED DESCRIPTION

[0026] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] For specific embodiment 1, please refer to Figure 1-5 The utility model is a high-temperature resistant and flame-retardant fabric fixed hot wire structure, comprising a heating jacket body 1, the heating jacket body 1 comprising a surface layer 101, an insulating layer 102 and an inner layer 105, the surface layer 101 and the insulating layer 102 are connected by sewing, the insulating layer 102 and the inner layer 105 are connected by sewing, the inner surface of the insulating layer 102 is fixedly connected with a sudden jump temperature control switch thermostat 103 and a heating wire 104, the bottom of the sudden jump temperature control switch thermostat 103 is electrically connected with a connecting wire 106, the surface of the insulating layer 102 is fixedly connected with two temperature sensors 107, and the temperature sensors 107 are electrically connected to the sudden jump temperature control switch thermostat 103.

[0028] Specifically: the heating jacket body 1 is sleeved on the surface of the pipeline for use, and the heating wire 104 is heated by the connecting wire 106 in cooperation with the sudden jump temperature control switch thermostat 103, thereby heating the pipeline. The materials provided by the surface layer 101 and the inner layer 105 make the heating jacket body 1 have excellent high temperature resistance and flame retardant properties, and the sudden jump temperature control switch thermostat 103 and the temperature sensor 107 prevent short circuit from occurring inside the heating jacket body 1.

[0029] For specific embodiment 2, please refer to Figure 1-5On the basis of the specific embodiment 1, the surface layer 101 includes a first corrosion-resistant layer 1001, a first high-temperature resistant layer 1002, a first acid- and alkali-resistant layer 1003, and a second high-temperature resistant layer 1004; the inner layer 105 includes a third high-temperature resistant layer 1051, a second acid- and alkali-resistant layer 1052, a fourth high-temperature resistant layer 1053, and a second corrosion-resistant layer 1054. The material of the first corrosion-resistant layer 1001 is silicon-coated fiber cloth, the material of the first high-temperature resistant layer 1002 is Teflon cloth, the material of the first acid- and alkali-resistant layer 1003 is PTFE, the material of the second high-temperature resistant layer 1004 is high-silica cloth, the material of the third high-temperature resistant layer 1051 is high-silica cloth, the material of the second acid- and alkali-resistant layer 1052 is PTFE, the material of the fourth high-temperature resistant layer 1053 is Teflon cloth, and the material of the second corrosion-resistant layer 1054 is silicon-coated fiber cloth.

[0030] Specifically: the material of the first corrosion-resistant layer 1001 and the second corrosion-resistant layer 1054 is silicon-coated fiber cloth, which has good stability, heat resistance and chemical resistance, as well as excellent weather resistance and corrosion resistance, and thus has outstanding light and color retention. At the same time, due to the low surface energy of silicone, it has good hydrophobic and waterproof properties. The material of the first high-temperature resistant layer 1002 and the fourth high-temperature resistant layer 1053 is Teflon cloth, which is used between low temperatures of -196°C and high temperatures of 350°C and has weather resistance and aging resistance. The material of the first acid and alkali resistant layer 1003 and the second acid and alkali resistant layer 1052 is P TFE and PTFE are heat-resistant and cold-resistant and can be used for a long time at -180 to 260°C. This material is resistant to acids, alkalis, and various organic solvents and is almost insoluble in all solvents. The second high-temperature resistant layer 1004 and the third high-temperature resistant layer 1051 are made of high-silica cloth, a special crystal fiber fabric that is heat-resistant and soft. Its SiO2 content reaches more than 96%, and it has excellent heat resistance. It can be used for a long time in an environment of 1000°C and the instantaneous heat resistance temperature can reach 1400°C. It uses Na2O-B2O3-SiO2 ternary system glass raw material, and the softening point temperature after acid treatment is 1700°C.

[0031] The working principle of the present invention is as follows: the heating jacket body 1 is sleeved on the surface of the pipeline for use, and the heating wire 104 is heated by the connecting wire 106 in cooperation with the sudden jump temperature control switch thermostat 103, thereby heating the pipeline. The materials provided by the surface layer 101 and the inner layer 105 enable the heating jacket body 1 to have excellent high-temperature resistance and flame retardant properties, and the sudden jump temperature control switch thermostat 103 and the temperature sensor 107 prevent short circuit phenomena inside the heating jacket body 1.

[0032] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0033] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A high temperature resistant flame retardant fabric fixed heating wire structure, comprising a heating jacket body (1), characterized in that: The heating jacket body (1) comprises a surface layer (101), an insulating layer (102) and an inner layer (105); the inner surface of the insulating layer (102) is fixedly connected to a snap-type temperature-controlled switch thermostat (103) and a heating wire (104); the bottom of the snap-type temperature-controlled switch thermostat (103) is electrically connected to a connecting wire (106); The surface layer (101) comprises a first corrosion-resistant layer (1001), a first high-temperature-resistant layer (1002), a first acid- and alkali-resistant layer (1003), and a second high-temperature-resistant layer (1004); The inner layer (105) comprises a third high-temperature resistant layer (1051), a second acid- and alkali-resistant layer (1052), a fourth high-temperature resistant layer (1053), and a second corrosion-resistant layer (1054).

2. The high temperature resistant flame retardant fabric fixing hot wire structure according to claim 1, characterized in that: The surface layer (101) and the insulating layer (102) are connected by sewing, and the insulating layer (102) and the inner layer (105) are connected by sewing.

3. The high temperature resistant flame retardant fabric fixing hot wire structure according to claim 1, characterized in that: Two temperature sensors (107) are fixedly connected to the surface of the insulating layer (102), and the temperature sensors (107) are electrically connected to the sudden temperature control switch thermostat (103).

4. The high temperature resistant flame retardant fabric fixing hot wire structure according to claim 1, characterized in that: The material of the first corrosion-resistant layer (1001) is silicon-coated fiber cloth, and the material of the first high-temperature-resistant layer (1002) is Teflon cloth.

5. The high temperature resistant flame retardant fabric fixing hot wire structure according to claim 1, characterized in that: The material of the first acid- and alkali-resistant layer (1003) is PTFE, and the material of the second high-temperature-resistant layer (1004) is high-silicon cloth.

6. The high temperature resistant flame retardant fabric fixing hot wire structure according to claim 1, characterized in that: The material of the third high-temperature resistant layer (1051) is high-silicon cloth, and the material of the second acid- and alkali-resistant layer (1052) is PTFE.

7. The high temperature resistant flame retardant fabric fixing hot wire structure according to claim 1, characterized in that: The material of the fourth high-temperature resistant layer (1053) is Teflon cloth, and the material of the second corrosion-resistant layer (1054) is silicon-coated fiber cloth.