CN102436879A - High-power non-inductive wire-wound resistor - Google Patents
High-power non-inductive wire-wound resistor Download PDFInfo
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- CN102436879A CN102436879A CN2011102190967A CN201110219096A CN102436879A CN 102436879 A CN102436879 A CN 102436879A CN 2011102190967 A CN2011102190967 A CN 2011102190967A CN 201110219096 A CN201110219096 A CN 201110219096A CN 102436879 A CN102436879 A CN 102436879A
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- 230000001939 inductive effect Effects 0.000 title abstract 5
- 238000004804 winding Methods 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 229910052573 porcelain Inorganic materials 0.000 claims description 13
- 238000004873 anchoring Methods 0.000 claims description 8
- 239000011449 brick Substances 0.000 claims description 2
- 239000011819 refractory material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 238000001914 filtration Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 244000188472 Ilex paraguariensis Species 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009730 filament winding Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The invention relates to a high-power non-inductive wire-wound resistor, belonging to the field of a resistor in basic electrical component. The high-power non-inductive wire-wound resistor comprises a plurality of frameworks and resistance wires, wherein each framework comprises a mounting hole, a threading hole and a lead groove; and the resistance wires can be connected with the frameworks by a single-wire parallel winding method. The high-power non-inductive wire-wound resistor has the advantages of simple structure, convenience in winding, good heat dissipation, convenience in installation and low production cost, and is applicable to a high-power non-inductive type fixed resistor in a low-voltage passive filter device, a low-voltage active filter device, a high-voltage passive filter device and a high-voltage active filter device.
Description
Technical field
The invention belongs to the resistor field in the basic electrical component, particularly a kind of high-power noninductive wirewound resistor.
Background technology
At present; Electrical network is more and more serious by harmonic pollution; Demand to harmonic wave control is also more and more urgent, administers harmonic wave and mainly leans on filter, and filter mainly contains elements such as capacitor, reactor, resistor and matees composition each other; Wherein resistor must be used noninductive resistor, and the conventional, electric-resistance device is difficult to process noninductive resistor.
The electronic equipment fixed resistor can be divided into wirewound resistor, non-wire-wound resistor and sensitive resistor three major types; Receive the restriction of resistor rated power; Have only the wirewound resistor ratio to be easier to process more powerful resistor, wirewound resistor is divided into general wirewound resistor, precision wire-wound resistor, high-power wire-wound resistor and high frequency wire-wound resistor again.
Wirewound resistor is with the structure of resistance filament winding on the insulation balladeur train; The big alloy resistance wire of the general resistivity of resistance wire, insulation framework is by pottery, plastics, the metal material that applies insulation are processed cast, different shape such as fan-shaped; Resistance on the skeleton according to demand can coiling one or more layers; Or the employing noninductive winding, noninductive winding adopt usually spaced winding, disjunction around, two-wire and around etc. winding, the technique for coiling more complicated.
Summary of the invention
To the deficiency that existing apparatus exists, the present invention proposes a kind of high-power noninductive wirewound resistor, adopts the parallel winding of single line, simplifies capacitor arrangement, good heat radiating to reach, is convenient to the purpose of installing, reducing cost.
Technical scheme of the present invention is achieved in that a kind of high-power noninductive wirewound resistor; Comprise some skeletons and resistance wire, described skeleton is made up of installing hole, through wires hole and lead ditch, wherein; Said installing hole is made up of first installing hole, second installing hole, the 3rd installing hole and the 4th installing hole; Through wires hole by first through wires hole, second through wires hole ..., N through wires hole (N representes maximum threading hole count) forms, the lead ditch by the first lead ditch, the second lead ditch ... M lead ditch (M representes maximum lead ditch number) is formed, and its annexation is following: skeleton is square or rectangular; Position near four right angles is respectively equipped with installing hole; Four installing holes lay respectively at two cornerwise two ends of skeleton, and the position at four installing holes place forms length and width all less than the square or rectangular of skeleton, in the centre of skeleton; Be provided with some through wires holes and lead ditch; Connect through the lead ditch in the middle of per two through wires holes, several through wires holes form row, and the several rows through wires hole forms the through wires hole array;
Described some skeletons; By first skeleton, second skeleton ..., the K skeleton forms (K representes maximum skeleton number); Adopting the modular system assembling between skeleton and the skeleton, is example with first skeleton and second skeleton, explains that its connected mode each other is: first skeleton connects second skeleton through auxiliary porcelain tube; Auxiliary porcelain tube one end is fixed on first skeleton, second installing hole through anchoring filament steel one end, and the auxiliary porcelain tube other end is fixed on second skeleton, first installing hole through the anchoring filament steel other end;
Described skeleton; Can also the connecting axle flow fan, four position of mounting hole with axial flow blower are corresponding respectively in the position of four installing holes on the skeleton, and its connected mode is following: skeleton is through a silk steel connecting axle flow fan; First installing hole of skeleton connects an end of first steel; First installing hole of the other end connecting axle flow fan of first steel, the connected mode of other installing holes is identical therewith, repeats no more;
Described skeleton adopts insulating refractories, comprises pottery, porcelain and refractory brick;
Described installing hole size range is Φ 4mm～Φ 20mm;
The size range of described through wires hole is Φ 2mm～Φ 100mm;
Described lead ditch size range is 1 * 2mm～4 * 8mm;
The scope of described through wires hole array is 4 * 4～100 * 100;
Described resistance wire designs by filter, and its length is calculated through following formula:
In the formula: the length of L-----resistance wire (m);
The resistance value of R-----resistor (Ω);
The resistivity of ρ-----resistance wire (Ω/m)
L-----resistor terminal stud and length in reserve (m);
Its wire range of described resistance wire is Φ 0.2mm～Φ 10.0mm;
The parallel winding realization of employing single line resistance wire is connected with skeleton, and concrete grammar is: resistance wire one end is connected first binding post, through wires hole array first is gone last through wires hole as initial through wires hole; The other end of resistance wire passes from this through wires hole, wears back from the adjacent through wires hole of skeleton opposite side, and resistance wire is strained at lead ditch place; So repeatedly; Be positioned at first first through wires hole of row up to resistance wire, after this moment resistance wire being passed from first first through wires hole of row, first through wires hole of going from second of skeleton opposite side is again worn back; Till whole resistance wire worn, the output of resistance wire connected second binding post; Said first binding post and second binding post are positioned at the same side of skeleton;
The parallel winding of described single line is the parallel to each other and current opposite in direction in them of adjacent two lines arbitrarily, the vector of electric current and almost nil, and it is almost nil to produce magnetic track, and resistor is a noninductive resistor.
Advantage of the present invention: a kind of high-power noninductive wirewound resistor of the present invention; The advantage that have that simple in structure, coiling is convenient, heat radiation is good, be convenient to install, production cost is low is applicable to the noninductive high-power type fixed resistor in low pressure passive filtration unit, low-voltage active filter, high pressure passive filtration unit and the high pressure active filter.
Description of drawings
Fig. 1 is a kind of skeleton front view of high-power noninductive wirewound resistor;
Fig. 2 is a kind of skeleton left view of high-power noninductive wirewound resistor;
Fig. 3 is a kind of resistor front view of high-power noninductive wirewound resistor;
Fig. 4 is a kind of resistor top plan view of high-power noninductive wirewound resistor;
Fig. 5 is a kind of resistor left side pseudosection of high-power noninductive wirewound resistor;
Fig. 6 is a kind of resistor skeleton installation diagram of high-power noninductive wirewound resistor;
Among the figure, 1, skeleton; 2, lead ditch; 3, through wires hole; 4, installing hole; 5, resistance wire; 6, binding post; 7, auxiliary porcelain tube; 8, anchoring filament steel.
Embodiment
Below in conjunction with accompanying drawing the present invention is done further explain.
A kind of high-power noninductive wirewound resistor; As depicted in figs. 1 and 2, comprise skeleton 1 and resistance wire 5, described skeleton 1 is made up of installing hole 4, through wires hole 3 and lead ditch 2; Wherein, installing hole 4 is made up of first installing hole, second installing hole, the 3rd installing hole and the 4th installing hole; Said skeleton 1 is square or rectangular; Position near four right angles is respectively equipped with first installing hole, second installing hole, the 3rd installing hole and the 4th installing hole, and installing hole 4 lays respectively at two cornerwise two ends of skeleton, and the position at four installing holes place forms length and width all less than the square or rectangular of skeleton; Centre at skeleton; Be provided with through wires hole 3 and lead ditch 2, wherein, through wires hole 3 by first through wires hole, second through wires hole ..., N through wires hole (N representes maximum threading hole count) forms; Lead ditch 2 by the first lead ditch, the second lead ditch ..., M lead ditch (M representes maximum lead ditch number) forms; Connect through the lead ditch in the middle of per two through wires holes, several through wires holes form row, and the several rows through wires hole forms the through wires hole array;
Embodiment 1:
In the present embodiment, skeleton adopts ceramic material to process, and basic framework is of a size of 70mm * 46mm * 12.5mm, and wherein, the through wires hole matrix is 4 * 10, and the through wires hole aperture is Φ 4mm, lead ditch size 2mm * 4mm, and installing hole is Φ 6mm;
Auxiliary porcelain tube is of a size of Φ 5mm * 10mm;
Wherein, noninductive high-power fixed resistor resistance value is taken as R=11.4186 Ω, the electricalresistivity of single resistance wire=0.6 Ω/m, and the line of resistance wire directly is 1.0mm
2, utilize formula (1) calculated resistance filament length degree L=18m;
Adopt the parallel winding method of single line to realize being connected of resistance wire and skeleton, like Fig. 3～shown in Figure 5, concrete grammar is: resistance wire one end is connected first binding post; Through wires hole array first is gone last through wires hole as initial through wires hole; The other end of resistance wire passes from this through wires hole, wears back from the adjacent through wires hole of skeleton opposite side, and resistance wire is strained at lead ditch place; So repeatedly; Be positioned at first first through wires hole of row up to resistance wire, after this moment resistance wire being passed from first first through wires hole of row, first through wires hole of going from second of skeleton opposite side is again worn back; Till whole resistance wire worn, the output of resistance wire connected second binding post; Said first binding post and second binding post are positioned at the same side of skeleton;
The parallel winding method of single line is the parallel to each other and current opposite in direction in them of adjacent two lines arbitrarily, the vector of electric current and almost nil, and it is almost nil to produce magnetic track, and resistor is a noninductive resistor;
Present embodiment utilizes 8 skeletons to realize high-power noninductive wirewound resistor; As shown in Figure 6; Its connected mode is: taking the modular system assembling between skeleton and the skeleton, is example with first skeleton and second skeleton, and first skeleton connects second skeleton through auxiliary porcelain tube 7; Auxiliary porcelain tube 7 one ends are fixed on first skeleton, second installing hole through anchoring filament steel one end, and auxiliary porcelain tube 7 other ends are fixed on second skeleton, first installing hole through the anchoring filament steel other end;
Embodiment 2:
Another this enforcement of the present invention is that wirewound resistor is applied in the BKMJ-JL-Y type passive filtration unit, and concrete operations are following:
Mounting screw is fixed on high-power noninductive wirewound resistor of the present invention on the support of filter through installing hole, makes the resistor through wires hole keep vertical state, because the through wires hole diameter of skeleton is bigger than resistance silk thread footpath; Constitute the air channel, the heat that high-power noninductive wirewound resistor produces when work can dispel the heat according to the cross-ventilation mode, therefore; Can be below skeleton the installation shaft flow fan; Carry out forced ventilation, to improve the rated power of resistor, concrete grammar is:
The model of axial flow blower is 100FZYZ-5, and the distance between its four installing holes is of a size of 90X90, axial flow blower installing hole diameter 6mm, and the separation criteria of skeleton installing hole and diameter all are complementary with axial flow blower, and axial flow blower is connected skeleton through the anchoring filament steel; Described axial flow blower according to noninductive high-power fixed resistor skeleton structure, defines two kinds of mounting meanss: the one, disperse to install, promptly each resistor is installed an axial flow blower, to heat radiation; The 2nd, install concentratedly, promptly be that several resistors are installed concentratedly heat radiation.
Claims (9)
1. high-power noninductive wirewound resistor, it is characterized in that: comprise some skeletons and resistance wire, described skeleton is made up of installing hole, through wires hole and lead ditch; Wherein, said installing hole is made up of first installing hole, second installing hole, the 3rd installing hole and the 4th installing hole, through wires hole by first through wires hole, second through wires hole ..., the N through wires hole forms; The lead ditch by the first lead ditch, the second lead ditch ... M lead ditch is formed, and said N representes maximum threading hole count, and M representes maximum lead ditch number; Its annexation is following: skeleton is square or rectangular, is respectively equipped with installing hole near the position at four right angles, and four installing holes lay respectively at two cornerwise two ends of skeleton; The position at four installing holes place forms length and width all less than the square or rectangular of skeleton; In the centre of skeleton, be provided with some through wires holes and lead ditch, connect through the lead ditch in the middle of per two through wires holes; Several through wires holes form row, and the several rows through wires hole forms the through wires hole array;
Described resistance wire, the parallel winding realization of employing single line resistance wire is connected with skeleton, and resistance wire one end connects first binding post; Through wires hole array first last through wires hole of row is initial through wires hole, and the other end of resistance wire passes from this through wires hole, wears back from the adjacent through wires hole of skeleton opposite side again; And the tension at lead ditch place, so repeatedly, be positioned at first first through wires hole of row up to resistance wire; After this moment, resistance wire passed from first first through wires hole of row; First through wires hole of going from second of skeleton opposite side is again worn back, and till whole resistance wire worn, the output of resistance wire connected second binding post; Said first binding post and second binding post are positioned at the same side of skeleton.
2. a kind of high-power noninductive wirewound resistor according to claim 1 is characterized in that: described resistance wire, and its length is calculated through following formula:
In the formula: the length of L-----resistance wire, m;
The resistance value of R-----resistor, Ω;
The resistivity of ρ-----resistance wire, Ω/m;
The length in reserve of l-----resistor binding post, m;
Its wire range satisfies Φ 0.2mm～Φ 10.0mm.
3. a kind of high-power noninductive wirewound resistor according to claim 1 is characterized in that: described skeleton adopts insulating refractories, comprises pottery, porcelain and refractory brick.
4. a kind of high-power noninductive wirewound resistor according to claim 1 is characterized in that: described installing hole size range is Φ 4mm～Φ 20mm.
5. a kind of high-power noninductive wirewound resistor according to claim 1 is characterized in that: the size range of described through wires hole is Φ 2mm～Φ 100mm.
6. a kind of high-power noninductive wirewound resistor according to claim 1 is characterized in that: described lead ditch size range is 1 * 2mm～4 * 8mm.
7. a kind of high-power noninductive wirewound resistor according to claim 1, it is characterized in that: the scope of described through wires hole array is 4 * 4～100 * 100.
8. a kind of high-power noninductive wirewound resistor according to claim 1; It is characterized in that: described some skeletons; By first skeleton, second skeleton ..., the K skeleton forms, wherein K representes maximum skeleton number, adopts the modular system assembling between skeleton and the skeleton; With first skeleton and second skeleton is example; Explain that its connected mode each other is: first skeleton connects second skeleton through auxiliary porcelain tube, and auxiliary porcelain tube one end is fixed on first skeleton, second installing hole through anchoring filament steel one end, and the auxiliary porcelain tube other end is fixed on second skeleton, first installing hole through the anchoring filament steel other end.
9. a kind of high-power noninductive wirewound resistor according to claim 1; It is characterized in that: described skeleton, can also the connecting axle flow fan, four position of mounting hole with axial flow blower are corresponding respectively in the position of four installing holes on the skeleton; Its connected mode is following: skeleton is through silk steel connecting axle flow fan; First installing hole of skeleton connects an end of first steel, and first installing hole of the other end connecting axle flow fan of first steel, other installing holes are adopted in a like fashion and connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110219096.7A CN102436879B (en) | 2011-08-01 | 2011-08-01 | High-power non-inductive wire-wound resistor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110219096.7A CN102436879B (en) | 2011-08-01 | 2011-08-01 | High-power non-inductive wire-wound resistor |
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| Publication Number | Publication Date |
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| CN102436879A true CN102436879A (en) | 2012-05-02 |
| CN102436879B CN102436879B (en) | 2013-09-25 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413643A (en) * | 2013-08-26 | 2013-11-27 | 四川永星电子有限公司 | Parallel double-winding resistor |
| CN103515037A (en) * | 2012-10-15 | 2014-01-15 | 上海市计量测试技术研究院 | Skeleton of high-voltage arm and impulse resistance voltage divider |
| CN109903941A (en) * | 2019-03-28 | 2019-06-18 | 辽宁晋驰节能科技有限责任公司 | A kind of improved noninductive wire wound resistor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2202963Y (en) * | 1994-05-05 | 1995-07-05 | 彭文达 | Inductanceless screen type resistance element |
| CN2747677Y (en) * | 2004-12-07 | 2005-12-21 | 王健斌 | Woven high voltage noninductive resistor |
-
2011
- 2011-08-01 CN CN201110219096.7A patent/CN102436879B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2202963Y (en) * | 1994-05-05 | 1995-07-05 | 彭文达 | Inductanceless screen type resistance element |
| CN2747677Y (en) * | 2004-12-07 | 2005-12-21 | 王健斌 | Woven high voltage noninductive resistor |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103515037A (en) * | 2012-10-15 | 2014-01-15 | 上海市计量测试技术研究院 | Skeleton of high-voltage arm and impulse resistance voltage divider |
| CN103515037B (en) * | 2012-10-15 | 2016-12-21 | 上海市计量测试技术研究院 | The skeleton of a kind of high-voltage arm and Resistor Divider for Impulse Voltage Measurements |
| CN103413643A (en) * | 2013-08-26 | 2013-11-27 | 四川永星电子有限公司 | Parallel double-winding resistor |
| CN103413643B (en) * | 2013-08-26 | 2015-12-09 | 四川永星电子有限公司 | A kind of pinacoid coiling resistor |
| CN109903941A (en) * | 2019-03-28 | 2019-06-18 | 辽宁晋驰节能科技有限责任公司 | A kind of improved noninductive wire wound resistor |
| CN109903941B (en) * | 2019-03-28 | 2024-01-09 | 江苏嘉诚中贝能源科技有限公司 | Improved noninductive wire winding resistor |
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| CN102436879B (en) | 2013-09-25 |
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