Protective heating wire

Abstract

The utility model discloses a protection type heating wire, comprising a bearing ring, the surface of the bearing ring is fixedly connected with four uniformly distributed side protection plates, the side protection plates are internally provided with power supply assemblies, the surface of the bearing ring is sleeved with a heating ring group, and the heating ring group is arranged between the side protection plates and the bearing ring. The protection type heating wire device is placed at a preset working place, it is ensured that no sundries exist in the annular space between the side protection plate and the bearing ring, the annular space is kept clean, the positive electrode input terminal and the negative electrode input terminal are connected to an external power source, and the external power source supplies power to the heating ring set through the positive electrode input terminal and the negative electrode input terminal. Current flows in from the positive electrode input terminal and enters the copper-nickel alloy layer of the first heating unit through the positive electrode connecting piece, the copper-nickel alloy layer rapidly generates heat due to the high conductivity and high heating temperature characteristics of the copper-nickel alloy layer, the heat is transmitted outwards through the nickel-chromium alloy layer, and effective transmission of the heat is ensured through the thermal stability and thermal conductivity of the nickel-chromium alloy layer.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of heating wire, specifically is a protective type heating wire. BACKGROUND

[0002] In the heating wire use process, often adopt single metal integral type forming, lead to its in daily use long time use performance cannot reach the best, simultaneously usually heating wire is directly arranged in the work place, heating wire work at this time can lead to surface polymerization high temperature, this high temperature can damage the object touching the heating wire, and further lead to unable normal work. Therefore, the technical personnel in the art provide a protective type heating wire to solve the problems raised in the above background technology. CONTENT OF THE UTILITY MODEL

[0003] The utility model discloses a protective type heating wire to solve the problems raised in the above background technology.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A protective type heating wire, including the ring that accepts, the ring that accepts surface fixedly connected with four even distribution's side guard board, be provided with power supply subassembly in the side guard board, the ring that accepts surface sleeve joint has heating ring group, and heating ring group is placed between the side guard board and the ring that accepts.

[0006] Further, the heating ring group includes a heating unit, and the heating unit heating ring group is composed of a group of heating units connected head to tail.

[0007] Further, the power supply subassembly includes a positive input terminal, a negative input terminal, a positive connection piece and a negative connection piece, a negative connection piece is fixedly connected to the end of one heating unit in the heating ring group, a positive connection piece is fixedly connected to the beginning of another heating unit in the heating ring group, and the positive connection piece and the negative connection piece are located on the same vertical line.

[0008] Further, the surface of the side guard board is fixedly connected with a positive input terminal, and one end of the positive input terminal is fixedly connected to the positive connection piece.

[0009] Further, the surface of the side guard board is fixedly connected with a negative input terminal, and one end of the negative input terminal is fixedly connected to the negative connection piece, and the negative input terminal is vertically below the positive input terminal.

[0010] Further, the heating unit includes a copper-nickel alloy layer, a nickel-chromium alloy layer and an iron-chromium-aluminum alloy layer, the nickel-chromium alloy layer is fixedly connected to the surface of the copper-nickel alloy layer, the iron-chromium-aluminum alloy layer is fixedly connected to the surface of the nickel-chromium alloy layer, and the positive connection piece is fixedly connected to the upper end of the nickel-chromium alloy layer.

[0011] By adopting the above technical scheme,

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] 1. by placing the device at the work site, and then heating the device by the power supply assembly, at this time the device inside the flow resistance and begin to produce heat, because the heating ring group outside is equipped with the side guard board, can place the external material large area contact heating ring group, and then has certain protective effect to the outside world;

[0014] 2. the heating ring group is composed of a plurality of heating units connected head to tail, and the heating unit is made of multiple alloy layers, so that the device has multiple effects when the different alloy layers conduct, thereby increasing the effect during use. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a kind of protective type heating wire overall structure schematic diagram;

[0016] Fig. 2 It is a kind of protective type heating wire front view sectional structure schematic diagram;

[0017] Fig. 3 It is a kind of protective type heating wire overall structure schematic diagram of heating ring group in;

[0018] Fig. 4 It is a kind of protective type heating wire local sectional structure schematic diagram of heating unit in;

[0019] Fig. 5 It is a kind of protective type heating wire overall structure schematic diagram of heating unit in;

[0020] In the drawing: 1, side guard board;2, bearing ring;3, heating ring group;4, positive input terminal;5, negative input terminal;6, positive connection piece;7, negative connection piece;8, copper-nickel alloy layer;9, nickel-chromium alloy layer;10, iron-chromium-aluminum alloy layer;11, heating unit. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the following will be further described in combination with specific embodiments. In the description of the utility model, it should be pointed out that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end" and "another end" is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0022] Please refer to Figs. 1-5The utility model provides an embodiment, a protection type heating wire, including the ring 2 of acceptance, four even distribution's side guard board 1 is fixedly connected with the ring 2 surface, the power supply subassembly is provided in side guard board 1, the heating ring group 3 is sleeved with the ring 2 surface, and heating ring group 3 is placed between side guard board 1 and ring 2, through using the annular space formed between side guard board 1 and ring 2, can better install heating ring group 3 in the work place, prevent the large -area contact of outside material to heating ring group 3 itself simultaneously and cause damage, simultaneously through the power supply subassembly connection heating ring group 3, can carry out quick charging heating to it.

[0023] In the embodiment, the heating ring group 3 includes heating unit 11, and the heating unit 11 heating ring group 3 is connected by a group of heating unit 11 head-to-tail combination, by a plurality of different heating unit 11 head-to-tail connection, and then the complete heating ring group 3 can be formed, and the heating unit 11 can be manufactured first when processing, and then connected with each other, and then the production difficulty can be reduced.

[0024] In the embodiment, the power supply subassembly includes positive input terminal 4, negative input terminal 5, positive connection piece 6 and negative connection piece 7, the negative connection piece 7 is fixedly connected on the end of one heating unit 11 in heating ring group 3, the positive connection piece 6 is fixedly connected on the beginning of another heating unit 11 in heating ring group 3, the positive connection piece 6 and negative connection piece 7 are located on the same vertical line, the positive input terminal 4 is fixedly connected on the surface of side guard board 1, one end of positive input terminal 4 is fixedly connected on positive connection piece 6, the negative input terminal 5 is fixedly connected on the surface of side guard board 1, one end of negative input terminal 5 is fixedly connected on negative connection piece 7, and the negative input terminal 5 is located vertically below positive input terminal 4, by using positive input terminal 4 and negative input terminal 5, the power supply to positive connection piece 6 and negative connection piece 7 can be guaranteed, at this time, the positive connection piece 6 and negative connection piece 7 are connected to the beginning and end of different heating unit 11 respectively, the whole heating ring group 3 can be guaranteed in series connection state, and then the heat generation of heating ring group 3 can be realized by the power supply of positive connection piece 6 and negative connection piece 7.

[0025] In the embodiment, the heating unit 11 includes a copper-nickel alloy layer 8, a nickel-chromium alloy layer 9, and an iron-chromium-aluminum alloy layer 10. The copper-nickel alloy layer 8 is fixedly connected with the nickel-chromium alloy layer 9 on the surface, the nickel-chromium alloy layer 9 is fixedly connected with the iron-chromium-aluminum alloy layer 10 on the surface, the upper end of the nickel-chromium alloy layer 9 is fixedly connected with the negative electrode connecting piece 7, and the innermost side of the heating unit 11 is the copper-nickel alloy layer 8. The copper-nickel alloy layer 8 has high conductivity and high heating temperature, and can be used as a main power generation component. Meanwhile, the outer layer of the copper-nickel alloy layer 8 is provided with the nickel-chromium alloy layer 9, which has good thermal stability and certain heat conductivity, thereby assisting in heat transfer. The outermost layer is the iron-chromium-aluminum alloy layer 10, which is relatively cheap. Therefore, after the device is used for a long time, the iron-chromium-aluminum alloy layer 10 can be refilled to fill the loss.

[0026] The protective heating wire device is placed at the predetermined work site, ensuring that there is no foreign matter in the annular space between the side guard plate 1 and the receiving ring 2, keeping it clean, connecting the positive input terminal 4 and the negative input terminal 5 to the external power supply, and the external power supply supplies power to the heating ring group 3 through the positive input terminal 4 and the negative input terminal 5. The current flows from the positive input terminal 4, enters the copper-nickel alloy layer 8 of the first heating unit 11 through the positive electrode connecting piece 6, and the copper-nickel alloy layer 8 rapidly generates heat due to its high conductivity and high heating temperature. The heat is transferred outward through the nickel-chromium alloy layer 9, and the thermal stability and heat conductivity of the nickel-chromium alloy layer 9 ensure effective heat transfer. The outermost iron-chromium-aluminum alloy layer 10 further protects the internal alloy layer from erosion and damage from external substances. The current continues to flow out through the negative electrode connecting piece 7 and enters the next heating unit 11, and the process is repeated until all the heating units 11 generate heat. The heat generated by the heating ring group 3 is effectively transferred to the surrounding environment or target object through the protection of the side guard plate 1. The side guard plate 1 not only prevents large-area contact of external substances with the heating ring group 3, but also provides additional mechanical protection to ensure the safety and reliability of the device.

[0027] By placing the device at the work site and heating it through the power supply assembly, the internal current resistance of the device begins to generate heat. Since the heating ring group 3 is covered with the side guard plate 1, it can prevent large-area contact of external substances with the heating ring group 3, thereby providing a certain protective effect on the outside world.

[0028] Meanwhile, the heating ring group 3 is composed of a plurality of heating units 11 connected end to end, and the heating units 11 are made of multiple alloy layers. Therefore, the device can have multiple effects when the different alloy layers conduct, thereby increasing the effect during use.

[0029] The present specification is described in terms of embodiments, however, not every embodiment contains only one independent technical solution, the description of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A guarded heating wire comprising a receiving ring (2), characterized in that, The receiving ring (2) is fixedly connected with four evenly distributed side guards (1), the side guard (1) is provided with a power supply assembly, the receiving ring (2) is sleeved with a heating ring group (3), and the heating ring group (3) is arranged between the side guard (1) and the receiving ring (2).

2. The guarded heating wire according to claim 1, characterized in that The heating ring group (3) comprises a heating unit (11), and the heating ring group (3) is composed of a plurality of heating units (11) connected end to end.

3. The guarded heating wire according to claim 2, characterized in that The power supply assembly comprises a positive input terminal (4), a negative input terminal (5), a positive connecting piece (6) and a negative connecting piece (7), the end of one heating unit (11) in the heating ring group (3) is fixedly connected with the negative connecting piece (7), the beginning of another heating unit (11) in the heating ring group (3) is fixedly connected with the positive connecting piece (6), and the positive connecting piece (6) and the negative connecting piece (7) are located on the same vertical line.

4. The guarded heating wire according to claim 3, characterized in that The surface of the side guard (1) is fixedly connected with the positive input terminal (4), one end of the positive input terminal (4) is fixedly connected with the positive connecting piece (6).

5. The guarded heating wire according to claim 4, characterized in that The surface of the side guard (1) is fixedly connected with the negative input terminal (5), one end of the negative input terminal (5) is fixedly connected with the negative connecting piece (7), and the negative input terminal (5) is vertically below the positive input terminal (4).

6. A guarded heating wire according to claim 5, characterized in that The heating unit (11) comprises a copper-nickel alloy layer (8), a nickel-chromium alloy layer (9) and an iron-chromium-aluminum alloy layer (10), the surface of the copper-nickel alloy layer (8) is fixedly connected with the nickel-chromium alloy layer (9), the surface of the nickel-chromium alloy layer (9) is fixedly connected with the iron-chromium-aluminum alloy layer (10), and the upper end of the nickel-chromium alloy layer (9) is fixedly connected with the negative connecting piece (7).

Images