Circuit connection structure of multi-gear heating tube and heating tube

Abstract

A circuit connection structure of a multi-gear heating tube and the heating tube comprise a first heating wire and a second heating wire which are wound in a staggered mode and further comprise at least two support assemblies, one end of the first support assembly penetrates through the L phase of the first heating wire, and the other end of the first support assembly penetrates through the L phase of the second heating wire. One end of the second support assembly penetrates through the N phase of the first heating wire, the other end of the second support assembly penetrates through the N phase of the second heating wire, power is supplied to the two heating wires, so that the circuit connection structure has the heating power adjustment function, the double winding wires can bring multi-gear power, and the single-function instant heating technology in the market can be met.

Description

Technical Field

[0001] The utility model relates to the field of heating pipes, in particular to a circuit connection structure of a multi-level heating pipe and a heating pipe. Background Art

[0002] The heating power of existing heating tubes is generally a rated power. In terms of power adjustment, electrode points are generally added to the heating wire for external circuit selection to form multiple gears. At the same time, for a single heating wire, the power adjustment range is small and can only be adjusted according to the maximum power of the heating wire, and the span of power change is small.

[0003] On the other hand, for selecting heating wires of various specifications for series connection, a wider range of power selection and larger or smaller specific power gears can be obtained. However, since the connection between the heating wires of two specifications requires manual welding, and the heating wires are generally thin and difficult to weld, and defects may occur at the welding points, thus affecting the product yield and production efficiency. Utility Model Content

[0004] In order to solve the above problems, the present technical solution provides a circuit connection structure of a multi-level heating tube and a heating tube.

[0005] To achieve the above purpose, the technical solution is as follows:

[0006] A circuit connection structure of a multi-stage heating tube comprises a first heating wire and a second heating wire which are intertwined, and at least two bracket assemblies, wherein one end of the first bracket assembly passes through the L phase of the first heating wire, and the other end passes through the L phase of the second heating wire, and one end of the second bracket assembly passes through the N phase of the first heating wire, and the other end passes through the N phase of the second heating wire, and the circuit connection structure has the function of adjusting the heating power by supplying power to the two heating wires.

[0007] In some embodiments, the first bracket assembly and the second bracket assembly are both provided with conductive sheets connected to corresponding heating wires.

[0008] In some embodiments, the first bracket assembly and the second bracket assembly are both provided with an upper bracket and a lower bracket, the conductive sheet is located between the upper bracket and the lower bracket, and the end of the first heating wire is located between the upper bracket and the lower bracket and is electrically connected to the conductive sheet to form an electrical circuit.

[0009] In some embodiments, the upper bracket and the lower bracket are correspondingly provided with through holes, and the conductive sheet is also provided with a through hole, and a screw is passed through the through hole to make the conductive sheet and the first heating wire tightly attached.

[0010] In some embodiments, the screw is matched with a nut at the lower end of the lower bracket.

[0011] In some embodiments, a first limiting portion for limiting the conductive sheet is provided on one side of the upper bracket, and a second limiting portion is provided on the other side of the upper bracket of the lower bracket.

[0012] The present application also provides a heating tube, comprising a tube body, wherein the tube body is coated with an insulating coating, and the circuit connection structure of the multi-stage heating tube as described above is also provided on the tube body.

[0013] The beneficial effects of this application are:

[0014] Double winding wire can bring multiple levels of power, which can meet the single-function instant heating technology on the market.

[0015] It can effectively alleviate the serious heating problem of thyristor caused by high power instant heating, which causes the machine to be unable to work for a long time.

[0016] Dual power can effectively save electricity and bring more energy-saving effects.

[0017] Ceramic seat connection can reduce copper rings, effectively reduce copper resources and achieve the goal of reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the drawings required for describing the embodiments are briefly introduced below.

[0019] Figure 1 It is a structural schematic diagram of an embodiment of the utility model. DETAILED DESCRIPTION

[0020] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0021] Please refer to Figure 1 As shown, a circuit connection structure of a multi-stage heating tube includes a first heating wire 1 and a second heating wire 2 that are intertwined, and also includes at least two bracket assemblies, wherein one end of a first bracket assembly 3 passes through the L phase of the first heating wire 1, and the other end passes through the L phase of the second heating wire 2, and one end of a second bracket assembly 4 passes through the N phase of the first heating wire 1, and the other end passes through the N phase of the second heating wire 2, and the circuit connection structure has the ability to adjust the heating power by supplying power to the two heating wires.

[0022] In the present application, two heating wires are wound on the tube body, one group is at the L phase on one side of the first bracket assembly and the N phase on one side of the second bracket assembly to form an electric heating circuit, and the other group is at the L phase on the other side of the first bracket assembly and the N phase on the other side of the second bracket assembly to form an electric heating circuit. In this way, the present application has two heating circuits, and by controlling the operation of the two circuits to form multi-level heating power, thereby meeting a variety of heating scenarios.

[0023] In this embodiment, the first bracket assembly 3 and the second bracket assembly 4 are both provided with a conductive sheet 5 connected to the corresponding heating wire, and each end of the two heating wires corresponds to a conductive sheet, and the corresponding heating wires are connected to voltage through the conductive sheet to start working.

[0024] In this embodiment, the first bracket assembly 3 and the second bracket assembly 4 are both provided with an upper bracket 31 and a lower bracket 32, the conductive sheet 5 is located between the upper bracket 31 and the lower bracket 32, the end of the first heating wire 1 is located between the upper bracket 31 and the lower bracket 32 ​​and is electrically connected to the conductive sheet 5 to form an electrical circuit. The split-type bracket assembly is adopted to facilitate installation and wiring.

[0025] In this embodiment, the upper bracket 31 and the lower bracket 32 ​​are correspondingly provided with a through hole 6, and the conductive sheet 5 is also provided with a through hole 6. A screw 7 is passed through the through hole 6 to make the conductive sheet 5 close to the first heating wire 1, and the end of the heating wire is placed between the two brackets and in contact with the conductive sheet. Then the end of the heating wire passes through the through hole of the upper bracket, and finally the screw is passed through the above-mentioned through holes to make the heating wire close to the conductive sheet. This structure is safe and reliable, and has good electrical performance.

[0026] In this embodiment, the screw 7 is matched with a nut 8 at the lower end of the lower bracket 32, so that the two brackets are locked to ensure reliable contact of the conductive part.

[0027] In this embodiment, a first limiting portion 9 for limiting the conductive sheet 5 is provided on one side of the upper bracket 31, and a second limiting portion 10 is provided on the other side of the lower bracket 32 ​​located on the upper bracket 31 to prevent the conductive sheet from swinging left and right and affecting the conductive performance.

[0028] The present application also provides a heating tube, comprising a tube body 11 , wherein the tube body is coated with an insulating coating, and the tube body 11 is also provided with a circuit connection structure of the multi-stage heating tube as described above.

[0029] The above description is only a preferred embodiment of the present application and is not intended to limit the scope of implementation of the present application. Other principles and basic structures that are the same or similar to those of the present application are within the protection scope of the present application.

Claims

1. A circuit connection structure of a multi-level heating pipe, characterized in that: The invention comprises a first heating wire (1) and a second heating wire (2) which are intertwined and wound, and at least two bracket components, wherein one end of the first bracket component (3) passes through the L phase of the first heating wire (1), and the other end passes through the L phase of the second heating wire (2); one end of the second bracket component (4) passes through the N phase of the first heating wire (1), and the other end passes through the N phase of the second heating wire (2); and by supplying power to the two heating wires, the circuit connection structure has the function of adjusting the heating power.

2. The circuit connection structure of a multi-level heating pipe according to claim 1, characterized in that: The first bracket assembly (3) and the second bracket assembly (4) are both provided with a conductive sheet (5) connected to the corresponding heating wire.

3. The circuit connection structure of a multi-level heating pipe according to claim 2, characterized in that: The first bracket assembly (3) and the second bracket assembly (4) are both provided with an upper bracket (31) and a lower bracket (32); the conductive sheet (5) is located between the upper bracket (31) and the lower bracket (32); the end of the first heating wire (1) is located between the upper bracket (31) and the lower bracket (32) and is electrically connected to the conductive sheet (5) to form an electrical circuit.

4. The circuit connection structure of a multi-level heating pipe according to claim 3, characterized in that: The upper bracket (31) and the lower bracket (32) are respectively provided with through holes (6), and the conductive sheet (5) is also provided with a through hole (6). A screw (7) is passed through the through hole (6) to make the conductive sheet (5) and the first heating wire (1) tightly attached.

5. The circuit connection structure of a multi-level heating pipe according to claim 4, characterized in that: The screw (7) is matched with a nut (8) at the lower end of the lower bracket (32).

6. The circuit connection structure of a multi-level heating pipe according to claim 5, characterized in that: A first limiting portion (9) for limiting the position of the conductive sheet (5) is provided on one side of the upper bracket (31), and a second limiting portion (10) is provided on the other side of the lower bracket (32) located on the upper bracket (31).

7. A heating tube, characterized in that: The invention comprises a tube body (11), wherein the tube body is coated with an insulating coating, and a circuit connection structure of the multi-stage heating tube according to any one of claims 1 to 6 is also provided on the tube body (11).

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