CN110136902A - A kind of high voltage non-inductance resistor device and preparation method thereof - Google Patents
A kind of high voltage non-inductance resistor device and preparation method thereof Download PDFInfo
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- CN110136902A CN110136902A CN201910378322.2A CN201910378322A CN110136902A CN 110136902 A CN110136902 A CN 110136902A CN 201910378322 A CN201910378322 A CN 201910378322A CN 110136902 A CN110136902 A CN 110136902A
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- 238000002360 preparation method Methods 0.000 title abstract description 5
- 239000010935 stainless steel Substances 0.000 claims abstract description 68
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 68
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910001120 nichrome Inorganic materials 0.000 claims abstract description 20
- 238000009413 insulation Methods 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000004411 aluminium Substances 0.000 claims abstract description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 10
- 229910052786 argon Inorganic materials 0.000 claims abstract description 10
- 239000010949 copper Substances 0.000 claims abstract description 10
- 229910052802 copper Inorganic materials 0.000 claims abstract description 10
- 238000003466 welding Methods 0.000 claims abstract description 10
- 230000015572 biosynthetic process Effects 0.000 claims abstract 2
- 230000032683 aging Effects 0.000 claims description 10
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 229910001566 austenite Inorganic materials 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims 1
- 238000003825 pressing Methods 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 description 7
- 239000000956 alloy Substances 0.000 description 7
- 230000017525 heat dissipation Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000004090 dissolution Methods 0.000 description 4
- 239000012774 insulation material Substances 0.000 description 4
- 229910018487 Ni—Cr Inorganic materials 0.000 description 3
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/01—Mounting; Supporting
- H01C1/014—Mounting; Supporting the resistor being suspended between and being supported by two supporting sections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/14—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors
- H01C1/144—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors the terminals or tapping points being welded or soldered
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/16—Resistor networks not otherwise provided for
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C13/00—Resistors not provided for elsewhere
- H01C13/02—Structural combinations of resistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
- H01C17/04—Apparatus or processes specially adapted for manufacturing resistors adapted for winding the resistive element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
- H01C17/28—Apparatus or processes specially adapted for manufacturing resistors adapted for applying terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C3/00—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids
- H01C3/02—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids arranged or constructed for reducing self-induction, capacitance or variation with frequency
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C3/00—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids
- H01C3/10—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids the resistive element having zig-zag or sinusoidal configuration
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C3/00—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids
- H01C3/10—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids the resistive element having zig-zag or sinusoidal configuration
- H01C3/12—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids the resistive element having zig-zag or sinusoidal configuration lying in one plane
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Details Of Resistors (AREA)
- Apparatuses And Processes For Manufacturing Resistors (AREA)
Abstract
A kind of high voltage non-inductance resistor device and preparation method thereof, solution typical high power high voltage non-inductance resistor device is existing, and structure is complicated, it is at high cost, volume is big, the problem of anti-dash current ability difference in short-term, including multiple S-shaped resistor discs combined in series and parallel, the resistor disc is bent by the hollow nichrome pipe that material is Ni20Cr80, on the resistor disc two sides, wrap up stainless steel adapting piece and therebetween junction argon arc welding in lower end, in resistor disc two sides, stainless steel frame is set, the stainless steel adapting piece is connected with corresponding stainless steel frame, make resistor disc through going here and there, to formation at least two neighbouring resistor blocks after parallel connection, electrical connection is realized by copper bar or the aluminium row being arranged on stainless steel frame between resistor blocks, between neighbouring resistor blocks and insulation branch is arranged in bottom-layer resistance device module bottom surface Support.Structure is simple, small in size, at low cost, and anti-electric power is had excellent performance, and can better meet demand of the user to high-power high voltage noninductive resistor.
Description
Technical field
The present invention relates to a kind of novel high-pressure noninductive resistors and preparation method thereof.
Background technique
High voltage non-inductance resistor device is the most common electrical device of transmission & distribution electrical domain.Extra-high voltage direct-current transmission engineering filtered electrical
Hinder device, SVC filter resistor, SVG charging resistor, flexible DC transmission engineering startup resistor, neutral ground
Resistor etc. provides the extensive market space for high voltage non-inductance resistor device.
With the upgrading of transmission and distribution network, high voltage non-inductance resistor device power constantly increases.Typical high power noninductive resistance
Device is divided into cast-iron resistor, grating type resistor, plate-belt type resistor, mesh resistive device etc..The resistance value of cast-iron resistor is in life
Extremely difficult control during production, resistivity is low, heavier-weight；Grating type resistor forms resistance by the processing to resistance alloys board
Element, there are biggish waste of raw materials when processing, higher cost, resistive element processing is complicated；Plate-belt type, mesh resistive device are deposited
It is weak in anti-short-time current impact capacity, the problems such as heatproof is low, small product size is big.
Summary of the invention
The invention aims to solve existing for typical high power high voltage non-inductance resistor device, structure is complicated, at high cost, body
The technical problem of big, the anti-dash current ability difference in short-term of product provides a kind of novel high-pressure noninductive resistor and preparation method thereof, ties
Structure is simple, small in size, at low cost, and anti-electric power is had excellent performance, and can better meet user to high-power high voltage noninductive resistance
The demand of device.
The present invention is implemented as follows:
A kind of high voltage non-inductance resistor device is characterized in that: the electricity including multiple S-shaped resistor discs combined in series and parallel
Resistance piece is bent by the hollow nichrome pipe that material is Ni20Cr80, and resistor disc two sides upper and lower end wraps up stainless steel
Connector and therebetween junction argon arc welding, resistor disc two sides be arranged stainless steel frame, the stainless steel adapting piece with it is corresponding
Stainless steel frame connection, make resistor disc after series and parallel to formed at least two neighbouring resistor blocks, it is adjacent
Electrical connection, neighbouring resistor mould are realized by copper bar or the aluminium row being arranged on stainless steel frame between resistor blocks
Between block and insulating supporting is arranged in bottom-layer resistance device module bottom surface.
Further preferably, piece spacing >=20mm of the resistor disc, S-shaped corrugation pitch >=30mm of resistor disc, thus full
Sufficient air insulation, natural air cooled heat dissipation and meet resistor disc built-in electrical insulation requirement.
Further preferably, fixed setting connection grillage, the connection grillage and the stainless steel on the stainless steel frame
Connector connection.
Further preferably, the mounting hole to correspond to each other is set on the connection grillage and the stainless steel adapting piece, therebetween
It is connected by screw bolt and nut.
Further preferably, the insulating supporting is arranged on stainless steel frame adjacent thereto.
A kind of production method of high voltage non-inductance resistor device, its step are as follows:
1, it uses material for the hollow nichrome pipe of Ni20Cr80, requires to bend serpentine resistor disc according to micro- sense；
2, the resistor disc after bending forming is whole in 980 DEG C~1150 DEG C solution treatment, after keeping the temperature 10min-20min, water
Cold treatment makes the carbide dissolution in nichrome, single phase austenite is obtained, then at 900 DEG C -950 DEG C, through 2.5h-3.5h
Ageing treatment；
3, resistor disc two sides upper and lower end after heat treatment carries out argon arc welding with the stainless steel adapting piece for being wrapped in its two sides
It connects, stainless steel adapting piece is connect with the stainless steel frame that resistor disc two sides are arranged in, electricity is made according to different capacity, different resistance values
It hinders piece and forms at least two neighbouring resistor blocks through series-parallel combination, pass through between two adjacent resistor blocks
Copper bar or aluminium row realize electrical connection, and between neighbouring resistor blocks and the setting of bottom-layer resistance device module bottom surface is insulated
Support, the insulating supporting are connect with adjacent stainless steel frame.
Further preferably, piece spacing >=20mm of the resistor disc, S-shaped corrugation pitch >=30mm of resistor disc, thus full
Air insulation, natural air cooled heat dissipation and the requirement of resistor disc built-in electrical insulation between sufficient resistor disc.
Further preferably, fixed setting connection grillage, the connection grillage and the stainless steel on the stainless steel frame
Connector connection.
Further preferably, the resistivity of the hollow nichrome pipe is 1.10 × 10-6M~1.14 × 10 Ω-6Ω·
M, to improve the mechanical strength of hollow structure tube body.
The beneficial effects of the present invention are:
1, resistor uses modularized design, resistor disc is carried out series-parallel combination according to design requirement, different function are made
The resistor blocks of rate, different resistance values.
2, resistor disc is bent in serpentine in the resistor, wherein adjacent resistance wire current direction opposite magnetic fields mutually offset
Disappear, residual inductance is minimum uH grades reachable in any resistance value section of resistor.
3, the resistor is using the hollow nichrome pipe of high-quality as resistance wire, and not only high mechanical strength, anticorrosive, resists
Oxidation susceptibility is excellent, and enhances electric current kelvin effect.Resistor disc after bending forming integrally uses solution treatment to keep the temperature water
Cold heat treatment process dissolves the carbide in nichrome substantially, obtains single phase austenite, then carry out ageing treatment, makes
Alloy carbide has a precipitation crystal boundary is transgranular, and linear expansion coefficient decline improves the grain boundary structure of high temperature alloy, eliminates crystal boundary
Weak link at high temperature, mechanical strength and thermal deformation resistant ability after enhancing resistance wire forming, improves tolerance in short-term
It is indeformable to guarantee that resistor is run under 500 DEG C of high temperature for the impact capacity of high current, as long as so as to solid using resistor disc both ends
Fixed, the intermediate new construction without support.
4, resistor disc upper and lower ends use stainless steel adapting piece, stainless steel adapting piece be wrapped in electric resistance alloy pipe both ends and
Argon arc welding is carried out, the mechanical strength of connecting terminal is improved, reduces contact resistance, increase the anti-of resistor and impact in short-term
Ability.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram that hollow nichrome pipe of the invention is bent into resistor disc；
Fig. 3 is stainless steel adapting piece and resistor disc attachment structure schematic diagram of the invention；
Fig. 4 is stainless steel adapting piece and resistor disc connecting portion enlarged diagram of the invention；
Fig. 5 is the portion the A enlarged drawing of Fig. 1.
In figure: 1. resistor discs, 101. hollow nichrome pipes, 2. stainless steel adapting pieces, 3. stainless steel frames, 4. insulation branch
Support, 5. copper bars or aluminium row, 6. mounting holes, 7. connection grillages, 8. bolts.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and examples:
Embodiment 1
As shown, the high voltage non-inductance resistor device, including multiple serpentine resistor discs 1, the resistor disc 1 are by material
Ni20Cr80, resistivity are 1.10 × 10-6The hollow nichrome pipe 101 of Ω m is bent, hollow nichrome pipe 101
Outer diameter be 3.0mm, internal diameter 1.5mm, the 1 two sides upper and lower end of resistor disc wraps up stainless steel adapting piece 2 and therebetween junction
Argon arc welding is arranged stainless steel frame 3 in 1 two sides of resistor disc, connection grillage 7 is fixedly mounted on stainless steel frame 3, stainless steel connects
Fitting 2 and connection 7 corresponding position of grillage are arranged the mounting hole 6 that corresponds to each other, the stainless steel adapting piece 2 and corresponding connecting plate
Frame 7 is connected by the bolt 8 and nut being mounted in the mounting hole 6, passes through resistor disc 1 according to different capacity, different resistance values
Series and parallel combines to form at least two neighbouring resistor blocks, and the present embodiment is two neighbouring resistor moulds
Block realizes electrical connection by copper bar or the aluminium row 5 being arranged on stainless steel frame 3 between two adjacent resistor blocks, on
Under between adjacent two resistor blocks and bottom-layer resistance device module bottom surface setting material is the exhausted of high-temperature insulation material
Edge support 4, the insulating supporting 4 is connected by screw stainless steel frame 3 adjacent thereto.
Piece spacing >=20mm of the resistor disc 1, S-shaped corrugation pitch >=30mm of resistor disc 1, to meet air insulation
And realize natural air cooled heat dissipation, and meet resistor disc interior insulation intensity requirement.
The production method of above-mentioned high voltage non-inductance resistor device, as shown, its step are as follows:
1, it by the hollow nichrome pipe 101, requires to bend serpentine resistor disc 1 according to micro- sense；
2, the resistor disc 1 after bending forming is whole in 980 DEG C of solution treatment, and after keeping the temperature 20min, water-cooled process makes nickel chromium triangle
Carbide dissolution in alloy obtains single phase austenite, then at 900 DEG C, carries out the ageing treatment of 3h respectively；Pass through solution treatment
And ageing treatment, the coefficient of expansion of material is reduced, to reduce the deformation of resistor disc.
3,1 two sides upper and lower end of resistor disc after heat treatment carries out argon arc with the stainless steel adapting piece 2 for being wrapped in its two sides
Stainless steel frame 3 is arranged in 1 two sides of resistor disc in welding, and grillage 7, stainless steel connection are welded to connect on the stainless steel frame 3
The mounting hole 6 to correspond to each other is opened up on part 2 and connection grillage 7, corresponding stainless steel adapting piece 2 is led to stainless steel frame 3 is set
The bolt 8 being mounted at mounting hole 6 and nut connection are crossed, combines resistor disc 1 in series and parallel according to different capacity, different resistance values
At least two neighbouring resistor blocks are formed, the present embodiment forms two neighbouring resistor blocks, adjacent
Electrical connection is realized by copper bar or aluminium row 5 between two resistor blocks, between neighbouring resistor blocks and bottom
Layer resistor blocks bottom surface setting material be high-temperature insulation material insulating supporting 4, the insulating supporting 4 by screw with it is right
The stainless steel frame 5 answered connects.
Resistor disc piece spacing is 20mm, resistor disc width H=120mm, resistance leaf length L=360mm, corrugation pitch * time
Number=30mm*12, to meet air insulation, natural air cooled heat dissipation and resistor disc interior insulation intensity requirement.
Embodiment 2
The high voltage non-inductance resistor device, it is Ni20Cr80 that serpentine resistor disc 1, which is by material, resistivity is 1.14 × 10-6Ω·
The hollow nichrome pipe 101 of m is bent, and other structures described with embodiment 1 are identical.
The production method of above-mentioned high voltage non-inductance resistor device, as shown, its step are as follows:
1, the hollow nichrome pipe 101 is required to bend serpentine resistor disc 1 according to micro- sense；
2, the resistor disc 1 after bending forming is whole in 1150 DEG C of solution treatment, and after keeping the temperature 10min, water-cooled process makes nickel chromium triangle
Carbide dissolution in alloy obtains single phase austenite then at 950 DEG C and carries out the ageing treatment of 3h；
3,1 two sides upper and lower end of resistor disc after heat treatment carries out argon arc with the stainless steel adapting piece 2 for being wrapped in its two sides
Stainless steel frame 3 is arranged in 1 two sides of resistor disc in welding, and grillage 7, stainless steel connection are welded to connect on the stainless steel frame 3
The mounting hole 6 to correspond to each other is opened up on part 2 and connection grillage 7, corresponding stainless steel adapting piece 2 is led to stainless steel frame 3 is set
The bolt 8 being mounted at mounting hole 6 and nut connection are crossed, combines resistor disc 1 in series and parallel according to different capacity, different resistance values
Formed at least two neighbouring resistor blocks, the present embodiment be two neighbouring resistor blocks, adjacent two
Electrical connection is realized by copper bar or aluminium row 5 between a resistor blocks, between neighbouring resistor blocks and bottom
Resistor blocks bottom surface be arranged material be high-temperature insulation material insulating supporting 4, the insulating supporting 4 by screw with it is adjacent
Stainless steel frame 3 connect.
Resistor disc piece spacing is 25mm, resistor disc width H=120mm, resistance leaf length L=420mm, corrugation pitch * time
Number=35mm*12, to meet air insulation, natural air cooled heat dissipation and resistor disc interior insulation intensity requirement.
Embodiment 3
The high voltage non-inductance resistor device, it is Ni20Cr80 that serpentine resistor disc 1, which is by material, resistivity is 1.12 × 10-6Ω·
The hollow nichrome pipe 101 of m is bent, and other structures described with embodiment 1 are identical.
The production method of above-mentioned high voltage non-inductance resistor device, as shown, its step are as follows:
1, it by the hollow nichrome pipe 101, requires to bend serpentine resistor disc 1 according to micro- sense；
2, the resistor disc 1 after bending forming is whole in 1060 DEG C of solution treatment, and after keeping the temperature 15min, water-cooled process makes nickel chromium triangle
Carbide dissolution in alloy obtains single phase austenite then at 920 DEG C and carries out the ageing treatment of 3h；
3,1 two sides upper and lower end of resistor disc after heat treatment carries out argon arc with the stainless steel adapting piece 2 for being wrapped in its two sides
Stainless steel frame 3 is arranged in 1 two sides of resistor disc in welding, and grillage 7, stainless steel connection are welded to connect on the stainless steel frame 3
The mounting hole 6 to correspond to each other is opened up on part 2 and connection grillage 7, corresponding stainless steel adapting piece 2 is led to stainless steel frame 3 is set
The bolt 8 being mounted at mounting hole 6 and nut connection are crossed, combines resistor disc 1 in series and parallel according to different capacity, different resistance values
At least two neighbouring resistor blocks are formed, the present embodiment forms two neighbouring resistor blocks, adjacent
Electrical connection is realized by copper bar or aluminium row 5 between two resistor blocks, between neighbouring resistor blocks and bottom
Layer resistor blocks bottom surface setting material be high-temperature insulation material insulating supporting 4, the insulating supporting 4 with it is corresponding stainless
Steel frame 3 is connected by screw to.
Resistor disc piece spacing is 30mm, resistor disc width H=120mm, resistance leaf length L=480mm, corrugation pitch * time
Number=40mm*12 to meet air insulation, natural air cooled heat dissipation, and meets resistor disc interior insulation intensity requirement.
Hardness number, resistivity and the resistor disc linear expansion coefficient of the corresponding resistor disc of three above embodiment respectively as table 1,
Shown in table 2 and table 3:
1 resistor disc hardness number (HV0.2) of table
| Original state | Solution treatment | Ageing treatment | |
| Embodiment 1 | 205 | 203 | 229 |
| Embodiment 2 | 205 | 206 | 235 |
| Embodiment 3 | 205 | 204 | 230 |
2 resistance sheet resistivity of table (μ Ω * m)
Electric wire filament's coefficient of expansion under the different aging temps of table 3
| Original sample | Solution treatment | Ageing treatment | |
| Embodiment 1 (400 DEG C) | 14.79 | 12.20 | 10.86 |
| Embodiment 2 (500 DEG C) | 15.94 | 13.12 | 11.51 |
| Embodiment 3 (600 DEG C) | 16.65 | 13.98 | 12.41 |
When above-mentioned resistor blocks are four, wherein two is neighbouring, and another two are arranged in juxtaposition, and left and right is adjacent
Resistor blocks are by guaranteeing that insulation distance meets insulating requirements between two resistor blocks arranged side by side.
The above is only specific embodiments of the present invention, are not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of high voltage non-inductance resistor device, including multiple S-shaped resistor discs combined in series and parallel, it is characterized in that: the resistor disc by
Material is that the hollow nichrome pipe of Ni20Cr80 is bent, and resistor disc two sides upper and lower end wraps up stainless steel adapting piece
And junction argon arc welding therebetween, in resistor disc two sides, stainless steel frame is set, the stainless steel adapting piece with it is corresponding stainless
Beam-to-column connection makes resistor disc after series and parallel to formation at least two neighbouring resistor blocks, adjacent resistor
It is realized and is electrically connected by copper bar or the aluminium row being arranged on stainless steel frame between module, between neighbouring resistor blocks
And insulating supporting is arranged in bottom-layer resistance device module bottom surface.
2. high voltage non-inductance resistor device according to claim 1, it is characterized in that: piece spacing >=20mm of the resistor disc, electricity
Hinder S-shaped corrugation pitch >=30mm of piece.
3. high voltage non-inductance resistor device according to claim 1, it is characterized in that: connection is fixedly installed on the stainless steel frame
Grillage, the connection grillage are connect with the stainless steel adapting piece.
4. high voltage non-inductance resistor device according to claim 3, it is characterized in that: the connection grillage is connected with the stainless steel
The mounting hole to correspond to each other is set on part, is connected therebetween by screw bolt and nut.
5. high voltage non-inductance resistor device according to claim 1, it is characterized in that: the insulating supporting be arranged in it is adjacent thereto
On stainless steel frame.
6. a kind of production method of high voltage non-inductance resistor device, it is characterized in that: steps are as follows:
1) it, uses material for the hollow nichrome pipe of Ni20Cr80, requires to bend serpentine resistor disc according to micro- sense；It is a kind of high
The production method for pressing noninductive resistor, its step are as follows:
2) resistor disc after, bending forming is whole in 980 DEG C~1150 DEG C solution treatment, after keeping the temperature 10min-20min, water cooling
Processing, dissolves the carbide in nichrome substantially, single phase austenite is obtained, then at 900 DEG C -950 DEG C, through 2.5h-
The ageing treatment of 3.5h；
3), resistor disc two sides upper and lower end after heat treatment carries out argon arc welding with the stainless steel adapting piece for being wrapped in its two sides,
Stainless steel adapting piece is connect with the stainless steel frame that resistor disc two sides are arranged in, resistance is made according to different capacity, different resistance values
Piece forms at least two neighbouring resistor blocks through series-parallel combination, passes through copper between two adjacent resistor blocks
Row or aluminium row realize electrical connection, and between neighbouring resistor blocks and insulation branch is arranged in bottom-layer resistance device module bottom surface
Support.
7. the production method of high voltage non-inductance resistor device according to claim 6, it is characterized in that: the piece spacing of the resistor disc
>=20mm, S-shaped corrugation pitch >=30mm of resistor disc.
8. high voltage non-inductance resistor device according to claim 6, it is characterized in that: connection is fixedly installed on the stainless steel frame
Grillage, the connection grillage are connect with the stainless steel adapting piece.
9. high voltage non-inductance resistor device according to claim 6, it is characterized in that: the resistivity of the hollow nichrome pipe is
1.10×10-6M~1.14 × 10 Ω-6Ω·m。
10. high voltage non-inductance resistor device according to claim 6, it is characterized in that: the insulating supporting is arranged adjacent thereto
Stainless steel frame on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910378322.2A CN110136902B (en) | 2019-05-08 | 2019-05-08 | High-voltage non-inductive resistor and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910378322.2A CN110136902B (en) | 2019-05-08 | 2019-05-08 | High-voltage non-inductive resistor and manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN110136902A true CN110136902A (en) | 2019-08-16 |
| CN110136902B CN110136902B (en) | 2024-08-02 |
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| CN201910378322.2A Active CN110136902B (en) | 2019-05-08 | 2019-05-08 | High-voltage non-inductive resistor and manufacturing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112382452A (en) * | 2020-10-28 | 2021-02-19 | 山东大通电阻器科技有限公司 | Stainless steel resistor with fixed edge covering |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000340414A (en) * | 1999-05-27 | 2000-12-08 | Tokyo Koon Denpa Kk | Non-inductive winding fixed resistor |
| CN201247658Y (en) * | 2008-06-03 | 2009-05-27 | 浙江三港起重电器有限公司 | Stainless sheet type resistor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112382452A (en) * | 2020-10-28 | 2021-02-19 | 山东大通电阻器科技有限公司 | Stainless steel resistor with fixed edge covering |
| CN112382452B (en) * | 2020-10-28 | 2024-04-30 | 山东大通电阻器科技有限公司 | Stainless steel resistor with fixed edge |
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