阅读说明：本技术 一种大功率型水冷线绕固定电阻器 (High-power type water-cooling wire-wound fixed resistor ) 是由 杨博 周向辉 唐雪松 王博 张鑫凯 于 2020-07-31 设计创作，主要内容包括：本发明名称为一种大功率型水冷线绕固定电阻器,属于水冷电阻器领域。该大功率型水冷线绕固定电阻器包括双并联等截面直立水路主板、侧板、波纹合金带、金属电极、水路填块、密封圈等,其特征在于双并联等截面直立水路主板的设计可增加水路长度,减小对电阻带强度的要求,降低水阻。本发明专利的优点是提供一种体积小、功率大、耐水压、耐脉冲能力强、断水性能好,性能更加可靠的电阻器结构。以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,可轻易想到的变化或替换,都应涵盖在本发明的保护范围之内。因此,本发明的保护范围应该以权利要求的保护范围为准。(The invention discloses a high-power water-cooling wire-wound fixed resistor, and belongs to the field of water-cooling resistors. The high-power water-cooling wire-wound fixed resistor comprises double parallel equal-section upright water channel main boards, side boards, corrugated alloy strips, metal electrodes, water channel filling blocks, sealing rings and the like, and is characterized in that the design of the double parallel equal-section upright water channel main boards can increase the length of a water channel, reduce the requirement on the strength of a resistance band and reduce water resistance. The invention has the advantages of small volume, high power, water pressure resistance, strong pulse resistance, good water cut-off performance and more reliable performance. The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.)

1. The utility model provides a high-power type water-cooling wire-wound fixed resistor, puts into double parallelly connected equal cross-section upright water route mainboard with the ripple alloy area, and the water route has a water inlet, a delivery port, 2 electrode mounting holes, 2 water routes fill out the piece, 2 sealing washers, 2 curb plates, and other places are sealed, and high-purity water flows in from the resistor water inlet, flows through behind the heat that the water route absorbed the ripple area and produces from the resistor delivery port, characterized by: the resistor shell is made of fluorine-containing plastic, and a double-row parallel equal-section vertical water path design is adopted; a sealing ring is placed in the metal electrode sealing groove, penetrates through the double-row parallel equal-section upright waterway main boards, and is sequentially provided with a flat gasket, an elastic gasket and a nut for fixing so as to ensure the sealing performance during water flowing; a waterway filling block is designed at the electrode mounting position, so that a vortex is prevented from being formed at the electrode mounting position when water is introduced; the corrugated alloy belt is wound in the water way and is directly soaked in high-purity water during working; two installation modes are designed: one is to install by utilizing screws on the side edges of the double-row parallel uniform-section upright waterway main boards; the other type is horizontally or vertically installed by utilizing 4 threaded mounting holes on the side of the high-power water-cooling wire-wound fixed resistor.

2. The high-power water-cooling wire-wound fixed resistor as claimed in claim 1, wherein: the ratio of the width dimension to the depth dimension of the cross section of the waterway is less than 0.3.

3. The high power water-cooled wire-wound fixed resistor according to claim 1, wherein: the cooling mode of the double-row parallel equal-section upright water channels is that water enters from two rows of water channels simultaneously and then flows out, and secondary cooling can be performed on the corners of each water channel in the water outlet process.

4. The high power water-cooled wire-wound fixed resistor according to claim 1, wherein: a water channel filling block is designed at the electrode and inserted into a cavity beside the electrode, so that vortex is prevented from being formed at the position in the water passing process.

5. The high power water-cooled wire-wound fixed resistor as claimed in claim 1, wherein: 2 corrosion-resistant metal electrodes and the double-row parallel equal-section upright water channel main board are sealed through a sealing ring.

Technical Field

The invention belongs to the field of water-cooled resistors.

Background

The existing water-cooled resistor mostly adopts the following structure: and a spiral water channel design is adopted, and the resistance band is tightly attached to the two side walls. When water cut-off or abnormal power increase occurs, the corrugated alloy strip at the top is wrapped by bubbles, and the phenomenon of blowing-off occurs.

This type of resistor has the following drawbacks:

1. the water cut-off performance is poor;

2. the power load capability is poor.

Disclosure of Invention

In order to solve the defects in the scheme, the invention provides a high-power water-cooling wire-wound fixed resistor and a manufacturing method thereof.

The invention is realized by the following technical scheme:

the invention relates to a high-power water-cooling wire-wound fixed resistor which mainly comprises 1 corrugated alloy strip resistor core, 1 double-row parallel equal-section upright waterway main board, 2 side boards, 2 waterway filling blocks, 2 corrosion-resistant metal electrodes, 2 sealing rings, 2 nuts, 2 flat pads and 2 elastic pads.

Two sides of the double-row parallel equal-section upright waterway main board are provided with symmetrical open water tanks, each open water tank consists of an upright main water tank and an arc-shaped water tank connected with the upright water tank, the water tanks at the two sides are connected into a parallel waterway, and a water inlet and a water outlet are shared; an open water tank corresponding to the open water tank on the equal-section upright water channel main board is arranged on one side of the side plate. Firstly, the corrugated alloy strip is coiled in the open water tank according to the water path trend, and two ends of the corrugated alloy strip are respectively welded with 2 metal electrodes to form a corrugated alloy resistance core.

A sealing ring is placed in the metal electrode sealing groove, then the sealing ring penetrates through the double-row parallel equal-section upright waterway main board, and then a flat gasket, an elastic gasket and a nut are sequentially installed for fixing; and finally, 2 waterway filling blocks are arranged in the electrode grooves of the double-row parallel uniform-section waterway main boards, so that vortex is prevented from being formed at the positions when water is introduced.

The two sides of the upright water channel main plate with the equal cross section and the side plate open slot are both provided with convex welding lines, the welding lines are melted by a welding machine and then pressurized and welded together, and the ratio of the width dimension to the depth dimension of the cross section of the water channel is less than 0.3.

When the electric heating water cooling device works, cooling water is firstly started, power is applied to the resistance core of the corrugated alloy strip through the outer electrode, water enters from the water inlet of the double-row parallel equal-section vertical waterway main board, flows through each section of waterway and takes away heat generated by the resistance core of the corrugated alloy strip soaked in the waterway.

The scheme has the advantages that:

1. the water route adopts the design scheme that the water route is vertically upward, the arc-shaped connecting water route between the tops of the adjacent upright water routes is positioned at the highest position of the water route, the corrugated alloy belt penetrates through the bottommost part of the arc-shaped connecting water route, the resistance core of the corrugated alloy belt is still electrified when the water cut-off fault occurs, the surrounding water temperature is rapidly increased and accompanied with bubbles, the bubbles can rapidly increase to the tops of the arc-shaped connecting water routes along the upright water routes, and an air chamber is formed at the tops of the resistance cores, so that the resistance cores of the corrugated alloy belts at all places are guaranteed to be wrapped by water bags all the time and.

2. The secondary cooling water path is designed in the water path, so that the highest working temperature of the corrugated alloy strip can be better reduced, and the load-bearing capacity of the product is improved.

The method for manufacturing the equal-section vertical waterway alloy belt water-cooled resistor comprises the following steps:

1. manufacturing a double-row parallel equal-section upright waterway main board: processing a double-row parallel equal-section upright waterway mainboard die, and performing injection molding on the double-row parallel equal-section upright waterway mainboard die;

2. manufacturing a side plate: processing a side plate mold, and performing injection molding on the side plate by using the mold;

3. manufacturing a corrugated alloy strip: processing a corrugated alloy strip by using a strip winding device;

4. manufacturing a corrugated alloy strip resistance core: coiling the corrugated alloy strip in the waterway according to the waterway trend, and respectively welding two ends of the corrugated alloy strip and 2 metal electrodes together to form a corrugated alloy resistance core;

5. electrode installation: a sealing ring is placed in the metal electrode sealing groove, penetrates through the double-row parallel equal-section upright waterway main boards, and is sequentially provided with a flat gasket, an elastic gasket and a nut for fixing so as to ensure the sealing performance during water flowing;

6. and (3) water path filling block installation: the water channel filling block is arranged in an electrode groove of a double-row parallel equal-section upright water channel main board, so that a vortex is prevented from being formed at the position when water is introduced;

7. welding the side plates: 2 side plates are welded on two sides of the double-row parallel equal-section upright waterway main board, so that a high-power water-cooling wire-wound fixed resistor is processed.

The invention has the beneficial effects that:

the large-power water-cooling wire-wound fixed resistor has the advantages of small volume, simple structure, good water cut-off performance and strong load-resisting capability. When the water temperature is 45 ℃, applying 2000W power to the resistor after the resistor is filled with water, and simultaneously closing a water inlet valve and a water outlet valve, wherein the resistor can continuously work for 5 s; the rated power of 6000W can be realized when the water flow is 3L/min and the water inlet temperature is 40 ℃.

Drawings

The invention is further illustrated by the following figures and examples:

FIG. 1 is a high power water cooled wire wound fixed resistor;

FIG. 2 is a schematic diagram of a double-row parallel equal-section upright waterway main board assembly board;

FIG. 3 is a schematic diagram of a double-row parallel uniform-section upright waterway main board;

FIG. 4 is a side (front) view;

FIG. 5 is a side (back) view;

FIG. 6 is a schematic view of a metal electrode;

FIG. 7 is a schematic illustration of a waterway packing;

FIG. 8 is a schematic view of a seal ring;

FIG. 9 is a schematic view of an alloy strip;

FIG. 10 is a schematic view of a corrugated alloy strip.

In the figure, 1 represents an alloy strip; 2 represents a corrugated alloy strip; 3 represents a metal electrode; 4 represents a waterway filling block; 5 represents a seal ring; 6 represents a double-row parallel equal-section upright waterway mainboard; 7 represents an open sink; 8 represents a secondary cooling open water tank; 9 represents a waterway filling block mounting groove; 10 denotes a resistor mounting hole; 11 represents a resistor mounting stud; 12 represents a weld line; 13 represents a water inlet; 14 denotes a water outlet; 15 represents a side panel (front) view; and 16 represents a side panel (back) view.

Detailed Description

1. Processing the alloy strip 1 in the figure 9 into the corrugated alloy strip 2 in the figure 10;

2. winding the corrugated alloy strip 2 in the figure 10 in an open water tank 7 of the double-row parallel equal-section upright water channel main board in the figure 3, and respectively welding two ends of the corrugated strip 2 on 2 metal electrodes in the figure 6;

3. mounting the sealing ring of fig. 8 in the sealing ring fixing groove of the metal electrode of fig. 6 to form the double-row parallel equal-section upright waterway main board assembly board of fig. 2, wherein the assembly board comprises 2 corrugated alloy strips, 2 metal electrodes 3, 2 waterway filling blocks 4 and 2 sealing rings 5;

4. the side plate (front) in fig. 4 and the side plate (back) in fig. 5 are welded on two sides of the double-row parallel equal-section upright waterway main plate assembling plate by using a welding machine, and the high-power water-cooling wire-wound fixed resistor is formed in the structural diagram 1.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.