Vortex-shaped linear resistor

Abstract

The utility model relates to a vortex type resistor which comprises a resistor framework and a spring resistance wire, and the resistor framework comprises a supporting piece and an insulating plate; the supporting piece is composed of a hexagonal prism and a regular hexagonal supporting plate, the number of the insulating plates is six, the long edge of each insulating plate is fixedly connected with six edges of the hexagonal prism, the bottom edge of each insulating plate is fixedly connected with six corners of the supporting plate, and the two ends of each edge of the supporting plate abut against the two adjacent insulating plates; each insulating plate is provided with through holes which are distributed in a rectangular array form, and the spring resistance wire sequentially penetrates through all the through holes from top to bottom to vertically form a multi-layer vortex coil and is connected in series to form a three-dimensional vortex linear resistor. Compared with the prior art, not only is the material cost reduced, but also the space required by the resistor is reduced, and the resistance value can be obviously increased to the k omega level.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the resistor technical field relates to a vortex line type resistor. BACKGROUND

[0002] The winding resistance is a kind of traditional resistor manufacturing technology, and its core process is to wind resistance wire on porcelain teeth or insulating plate to form resistance sheet, and these resistance sheets are combined in series through porcelain piece and support plate to form a complete resistance element.However, the disadvantages of this technology are that a large number of porcelain pieces, insulators and metal supports are needed, which not only increases the weight and volume of the resistor, is not suitable for the demand of miniaturization and light weight of modern electronic equipment, but also increases the material cost, resulting in weak competitiveness. SUMMARY

[0003] The utility model discloses a vortex line type resistor, only uses resistor framework and spring resistance wire, and material cost is significantly reduced.

[0004] The utility model discloses a vortex line type resistor, only uses resistor framework and spring resistance wire, and material cost is significantly reduced.

[0005] The utility model provides a vortex line type resistor, including resistor framework and spring resistance wire, the resistor framework includes support piece and insulating plate;

[0006] The support piece is composed of a hexagonal prism and a regular hexagon support plate, the insulating plate has 6 pieces, and the long side of each insulating plate is fixedly connected with the six edges of the hexagonal prism, and the bottom side of each insulating plate is fixedly connected with the six corners of the support plate, the two ends of each side of the support plate abut against two adjacent insulating plates, and the included angle between the adjacent insulating plates is 60 °;

[0007] Each insulating plate is provided with through holes in the form of rectangular array, and the through hole positions on each insulating plate are one-to-one corresponding, the spring resistance wire sequentially passes through all through holes from top to bottom, and vertically forms multiple layers of vortex coils, and adjacent layer vortex coils are connected in series to form a three-dimensional vortex line type resistor.

[0008] Further, the specific steps that the spring resistance wire sequentially passes through all through holes from top to bottom are as follows: the spring resistance wire sequentially passes through the through hole of one insulating plate on the same plane from inside to outside and enters the through hole of another insulating plate, and after completing the through hole of one plane, vertically transits to the next plane and is connected with the spring resistance wire of the lower layer, so as to connect all through holes in series.

[0009] Further, one side of one of the insulating plates away from the hexagonal prism is provided with a plurality of protrusions, and the protrusions are used for fixing one end of the spring resistance wire.

[0010] Further, the six-prism top or bottom is provided with a bendable supporting sheet on each side of the corresponding hexagon, the supporting sheet is turned over from the middle six-prism top or bottom, and the supporting sheet is riveted with the insulating plate after being bent, and the bending performance of the supporting sheet is used to limit the adjacent two insulating plates.

[0011] Preferably, the supporting member is a sheet metal material.

[0012] Further, the bottom of the supporting plate is further connected with a plurality of supporting feet to provide stronger mechanical support for the resistor.

[0013] Preferably, the insulating plate is a mica plate.

[0014] Preferably, the connecting mode of the supporting member and the insulating plate is riveting or bolting.

[0015] Preferably, the spring resistance wire is a nickel-chromium alloy, and the hardness of the spring resistance wire satisfies the condition of keeping the vortex form.

[0016] Preferably, the outer diameter of the spring resistance wire is 4-6 mm, the diameter of the through hole is 5-7 mm, and the outer diameter of the spring resistance wire is smaller than the diameter of the through hole.

[0017] Preferably, the spacing between adjacent through holes is 25-40 mm.

[0018] Compared with the prior art, the utility model has the following advantages:

[0019] (1) the utility model discloses a spring resistance wire is used to pass through the through hole on the insulating framework, forms a plurality of vortex coils, and is sequentially connected from top to bottom to constitute a three-dimensional vortex line resistor, this design omits the porcelain piece and the insulator used in the traditional wire-wound resistor, significantly reduces the material cost, and thus improves the market competitiveness.

[0020] (2) the spring resistance wire of the utility model is wound into a spiral vortex, and this unique winding mode not only significantly reduces the space required by the resistor, but also enables the resistance value to be significantly increased to the kΩ level, in addition, under the same parameters, the resistor provided by the utility model can realize greater insulation margin, which means that under the same voltage, the insulation performance of the resistor is enhanced, thereby improving the safety and reliability of the entire resistor. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic view of the resistor framework provided in the utility model embodiment 1.

[0022] Figure 2 It is a structural schematic view of the vortex line resistor provided in the utility model embodiment 1.

[0023] Figure 3 The top view of the vortex-shaped wire resistor provided in Embodiment 1 of the present application;

[0024] Figure 4 The bottom structure schematic view of the vortex-shaped wire resistor provided in Embodiment 1 of the present application.

[0025] Marked in the figure:

[0026] 1-insulating plate, 2-supporting plate, 3-supporting sheet, 4-hexagonal prism, 5-supporting foot, 6-spring resistance wire. DETAILED DESCRIPTION

[0027] The present application will be described in detail below in combination with the drawings and specific embodiments. The present embodiment is implemented on the premise of the technical scheme of the present application, and detailed implementation modes and specific operation processes are given, but the protection scope of the present application is not limited to the following embodiments.

[0028] In the description of the present application, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as a limitation on the present application. The devices or elements indicated by the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0029] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0030] In the following embodiments or examples, if there is no special description of the function parts or structures, it is indicated that they are all conventional parts or conventional structures adopted by the person skilled in the art to realize the corresponding functions.

[0031] Embodiment 1

[0032] Please see Figures 1-4 The present application provides a vortex-shaped wire resistor, which comprises a resistor framework and a spring resistance wire 6, wherein the resistor framework comprises a supporting member and an insulating plate 1.

[0033] The support is composed of a hexagonal prism 4 and a regular hexagonal support plate 2, and the insulating plate 1 has a total of 6 pieces, and the long edges of each insulating plate 1 are fixedly connected with the 6 edges of the hexagonal prism 4, and the bottom edges of each insulating plate 1 are fixedly connected with the 6 corners of the support plate 2, and the two ends of each edge of the support plate 2 abut against two adjacent insulating plates 1, and the included angle between the adjacent insulating plates 1 is 60°.

[0034] Each insulating plate 1 is provided with through holes arranged in a rectangular array, and the positions of the through holes on each insulating plate 1 correspond one by one, and the spring resistance wire 6 passes through all the through holes in turn from top to bottom, vertically forming 13 layers of vortex coils, and the adjacent layers of vortex coils are connected in series to form a three-dimensional vortex coil resistor.

[0035] In this embodiment, the specific steps of the spring resistance wire 6 passing through all the through holes in turn from top to bottom are as follows: each spring resistance wire 6 passes through the through hole of one insulating plate 1 on the same plane into the through hole of another insulating plate 1 from inside to outside in turn, and after completing the through hole of one plane, it is vertically connected with the spring resistance wire 6 of the lower layer to connect all the through holes in series in this way.

[0036] In this embodiment, one of the insulating plates 1 away from the side edges of the hexagonal prism 4 is provided with 13 protrusions, which are used to fix one end of the spring resistance wire 6.

[0037] In this embodiment, the top or bottom of the hexagonal prism 4 is provided with a bendable support sheet 3 corresponding to each edge of the hexagon, which is riveted with the insulating plate 1 after being bent, and is used to limit the adjacent two insulating plates 1 after being bent.

[0038] In this embodiment, the support is made of sheet metal material.

[0039] In this embodiment, the bottom of the support plate 2 is also provided with 4 support feet 5.

[0040] In this embodiment, the insulating plate 1 is a mica plate.

[0041] In this embodiment, the connection mode of the support and the insulating plate 1 is riveting.

[0042] In this embodiment, the spring resistance wire 6 is made of nickel-chromium alloy, and the hardness of the spring resistance wire 6 meets the requirement of maintaining the vortex form.

[0043] In this embodiment, the outer diameter of the spring resistance wire 6 is 5mm, the diameter of the through hole is 6mm, the outer diameter of the spring resistance wire 6 is smaller than the diameter of the through hole, and the spacing between adjacent through holes is 35mm.

[0044] In the embodiment, one end of each spring resistance wire 6 is located inside the vortex coil, and the other end is located outside the vortex coil. The spring resistance wire 6 can be connected with other elements in the circuit, such as power supply, other resistance, capacitor, inductor, integrated circuit, etc.

[0045] In the embodiment, the manufacturing process is as follows:

[0046] (1) First, punch holes in each insulating plate 1 in the same rectangular array form, rivet the six edges of the hexagonal prism 4 to the long edges of each insulating plate 1, and provide the top or bottom of the hexagonal prism 4 with a support sheet 3 with bendable performance corresponding to each edge of the hexagon. After bending the support sheet 3, the adjacent two insulating plates 1 are limited, the bottom edge of the insulating plate is riveted to the regular hexagonal support plate 2, and four support feet 5 are provided at the bottom of the support plate 2.

[0047] (2) After the resistor framework is installed, the first spring resistance wire 6 is sequentially passed from the outermost through hole of one insulating plate 1 on the first plane to the through hole of another insulating plate 1 from inside to outside, obtaining the first layer of vortex coil. After completing the through hole of one plane, the spring resistance wire 6 is repeatedly operated in this way to complete the through hole of all planes, and the adjacent two spring resistance wires 6 are connected vertically, and all through holes are connected in series, obtaining a vortex line resistor with 13 layers of vortex coils.

[0048] In use, the vortex line resistor in the embodiment is used in a circuit with a voltage of 33000V and a frequency of 50Hz, mainly for consuming energy in the circuit. The external circuit is connected to the connection head of the vortex line resistor, and it can be used conveniently and easily.

[0049] The above description of the embodiments is for the convenience of those of ordinary skill in the art to understand and use the utility model. Those skilled in the art can easily make various modifications to these embodiments, and apply the general principles described herein to other embodiments without creative labor. Therefore, the utility model is not limited to the above embodiments, and those skilled in the art can make improvements and modifications within the scope of the utility model without departing from the scope of the utility model.

Claims

1. A vortex line resistor, characterized by, The resistor framework comprises a support and insulating plates (1), and the spring resistor wire (6) is arranged in the resistor framework. The support is composed of a hexagonal prism (4) and a regular hexagonal support plate (2), and the insulating plates (1) are six in total, with the long edges of each insulating plate (1) fixedly connected with the six edges of the hexagonal prism (4) and the bottom edges of each insulating plate (1) fixedly connected with the six corners of the support plate (2), and the two ends of each edge of the support plate (2) abut against two adjacent insulating plates (1) and form an included angle of 60° between the adjacent insulating plates (1). Each insulating plate (1) is provided with through holes arranged in a rectangular array, and the through holes on each insulating plate (1) are one-to-one corresponding, and the spring resistor wire (6) sequentially passes through all the through holes from top to bottom to form a plurality of vertical vortex coils, and the adjacent vortex coils are connected in series to form a three-dimensional vortex coil resistor.

2. A vortex line resistor according to claim 1, wherein The specific steps of sequentially passing through all the through holes from top to bottom by the spring resistor wire (6) are as follows: each spring resistor wire (6) sequentially passes through the through hole of one insulating plate (1) from the same plane into the through hole of another insulating plate (1) from inside to outside, and after completing the through hole of one plane, vertically transits to the next plane to be connected with the spring resistor wire (6) of the lower layer, and in this way, all the through holes are connected in series.

3. A vortex line resistor according to claim 1, wherein One side of one insulating plate (1) away from the hexagonal prism (4) is provided with a plurality of protrusions for fixing one end of the spring resistor wire (6).

4. A vortex line resistor according to claim 1, wherein The top or bottom of the hexagonal prism (4) is provided with a bendable support sheet (3) corresponding to each edge of the hexagonal shape, the support sheet (3) is riveted with the insulating plate (1) after being bent, and the support sheet (3) is used to limit the adjacent two insulating plates (1).

5. A vortex line resistor according to claim 1, wherein The support is made of sheet metal material.

6. A vortex line resistor according to claim 1, wherein The bottom of the support plate (2) is further provided with a plurality of support feet (5).

7. A vortex line resistor according to claim 1, wherein The insulating plate (1) is a mica plate, and the connection mode of the support and the insulating plate (1) is riveting or bolting.

8. A vortex line resistor according to claim 1, wherein The spring resistor wire (6) is made of nickel-chromium alloy, and the hardness of the spring resistor wire (6) satisfies the requirement of maintaining the vortex form.

9. A vortex line resistor according to claim 1, wherein The outer diameter of the spring resistor wire (6) is 4-6 mm, the diameter of the through hole is 5-7 mm, and the outer diameter of the spring resistor wire (6) is smaller than the diameter of the through hole.

10. A vortex line resistor according to claim 1, wherein The spacing between adjacent through holes is 25-40 mm.

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