CN102446610B - Large power stainless steel tubular type heating resistance box - Google Patents
Large power stainless steel tubular type heating resistance box Download PDFInfo
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- CN102446610B CN102446610B CN201010502514.9A CN201010502514A CN102446610B CN 102446610 B CN102446610 B CN 102446610B CN 201010502514 A CN201010502514 A CN 201010502514A CN 102446610 B CN102446610 B CN 102446610B
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Abstract
The invention relates to a large power stainless steel tubular type heating resistance box, the resistance box comprises a resistance box body (1) and a resistance box cover (2), a plurality of tubular type resistors (3) are provided in the resistance box body (1), the tubular type resistors (3) comprise a stainless steel pipe (31), a resistance wire (32), an insulation stuffing (33), a flange (34), a porcelain (33), a nut (37) and heat shrinkage insulation pipes (38), the resistance wire (32) and the insulation stuffing (33) are provided in the stainless steel pipe (31), the flange (34) is fixed on the stainless steel pipe (31), the porcelain (35) is provided between the flange (34) and the nut (37), the flange (34) and the porcelain (35) are screwed and fixed by nut (37) through the screw thread (36) on the stainless steel pipe (31), the heat shrinkage insulations pipes (38) are provided at two ends of the stainless steel pipe (31), and the resistance box cover (2) is covered on the resistance box body (1). Compared with prior art, the invention has the advantages of stable performance, long usage life, strong profile plasticity, simple and feasible treatment process, fast heat radiation, convenient usage and the like.
Description
Technical field
The present invention relates to a kind of resistance box, especially relate to a kind of high-power stainless steel tubular type heating electric resistance case.
Background technology
In industrial resistance device field, the form of the high-power resistor box of use is varied at present.From structure and the profile of resistance box internal resistance element, mainly contain following several types: wire-wound resistor formula resistance box is exactly directly resistance wire to be coiled into after definite shape to be directly installed in casing and to use; Template resistance-type resistance box, is prepared into sheet material by resistance material, is then directly installed in casing and uses; Wire-wound resistance of coating formula resistance box, on ceramic skeleton, then, at resistance wire surface-coated organic or inorganic coating, is arranged on resistance wire in casing and uses after oven dry; Aluminium section bar shell heat sink resistance case, is arranged on resistance in aluminum alloy casing and uses.Wire-wound resistor case and template resistance box are due to the protection lacking resistance wire (plate), and these two kinds of resistance box corrosion resistances are poor, and useful life is short; Although wire-wound coating formula resistance box is protected resistance wire, coating bearing temperature is limited in one's ability, and along with pass service time, Paint Falling phenomenon appears in resistive surface very soon, and resistance wire is corroded immediately, and useful life is also shorter; Aluminium section bar shell can play a protective role to resistance wire, but has sacrificed radiating effect, and aluminum alloy casing bearing temperature and power are also limited in addition, and when power is too large, aluminium section bar resistance box should not use.So this several types industrial resistance case product in use mainly exists that resistance to environment capacity is weak, useful life is shorter, heat radiation is slow and the shortcoming such as coefficient of safety is lower above.
Because prior art lacks the protection to resistance box internal resistance; or protective condition is limited cause the resistance to environment capacity of resistance box entirety a little less than; the frequent rust corrosion of resistance in use; have a strong impact on useful life; in addition; owing to not doing insulation processing, often there is the shortcomings such as proof voltage coefficient is inadequate in existing resistance box.
Summary of the invention
Object of the present invention be exactly in order to overcome the defect that above-mentioned prior art exists, provide that a kind of stable performance, long service life, profile plasticity are strong, processing technology simple possible, rapid heat dissipation, high-power stainless steel tubular type heating electric resistance case easy to use.
Object of the present invention can be achieved through the following technical solutions: a kind of high-power stainless steel tubular type heating electric resistance case, it is characterized in that, this resistance box comprises resistance casing 1, resistance case lid 2, in described resistance casing 1, be provided with multiple tubular electric resistance 3, described tubular electric resistance 3 comprises stainless steel tube 31, resistance wire 32, Insulation stopping 33, flange 34, porcelain piece 33, nut 37 and pyrocondensation insulated tube 38, described resistance wire 32 and Insulation stopping 33 are located in stainless steel tube 31, described flange 34 is fixed on stainless steel tube 31, described porcelain piece 35 is located between flange 34 and nut 37, described nut 37 is tightened flange 34 and porcelain piece 35 by the screw thread 36 on stainless steel tube 31, described pyrocondensation insulated tube 38 is arranged on the two ends of stainless steel tube 31, described resistance case lid 2 covers on resistance casing 1.
Described resistance wire 32 is located at the central interior position of stainless steel tube 31, between described stainless steel tube 31 and resistance wire 32, by Insulation stopping 33, fills.
Described resistance wire 32 for nickel chromium triangle be resistance material, described Insulation stopping 33 is magnesium oxide.
Described multiple tubular electric resistance 3 can be carried out the adjustment of resistance profile and resistance value series, parallel as required.
The quantity of described multiple tubular electric resistance 3 is 1-1000.
Described resistance case lid 2 is provided with resistance box louvre 21.
Described resistance casing 1 and resistance case lid 2 adopt stainless steel material to make.
Compared with prior art, the present invention has the following advantages:
(1) resistance box stable performance of the present invention, long service life.Resistance of the present invention has adopted nichrome resistance material, has resistance to rush of current strong, stable performance advantage; Stainless steel tube not only can serve as the effect of heat-dissipating casing, also makes the resistance to environment capacity of resistance box greatly improve, and has extended the useful life of resistance box.
(2) proof voltage and stable insulation, profile plasticity is strong.Because making resistance insulation performance, the use of porcelain piece, Insulation stopping and pyrocondensation insulated tube greatly improves; Stainless steel tube can carry out suitable bending, and resistance profile and resistance casing can carry out adjusted size as required, has the good advantage of plasticity.
(3) processing technology simple possible, rapid heat dissipation, easy to use.This resistance box manufacturing process simple possible; The stainless steel tube structure of resistance and cabinet shell louvre structure are beneficial to heat radiation very much; The all parts of resistance box have corrosion-resistant, and antirust feature does not need to carry out the processing such as antirust, damp proof and moistureproof, thus can directly install and use, very convenient.
Accompanying drawing explanation
Fig. 1 is the resistance junction composition in the present invention;
Fig. 2 is resistance box overall structure figure of the present invention;
Fig. 3 is the structural representation of the each parts of resistance box of the present invention.
Wherein, 1 is resistance casing, and 2 is resistance case lid, and 21 is resistance box louvre, and 3 is tubular electric resistance, and 31 is stainless steel tube, and 32 is resistance wire, and 33 is Insulation stopping, and 34 is flange, and 35 is porcelain piece, and 36 is screw thread, and 37 is nut, and 38 is pyrocondensation insulated tube.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
As Figure 1-3, a kind of high-power stainless steel tubular type heating electric resistance case, this resistance box comprises resistance casing 1, resistance case lid 2, resistance casing 1 and resistance case lid 2 adopt stainless steel material to make.In resistance casing 1, be provided with 50 tubular electric resistance 3, these 50 tubular electric resistance 3 can be carried out the adjustment of resistance profile and resistance value series, parallel as required.Tubular electric resistance 3 comprises stainless steel tube 31, resistance wire 32, Insulation stopping 33, flange 34, porcelain piece 33, nut 37 and pyrocondensation insulated tube 38.Resistance wire 32 and Insulation stopping 33 are located in stainless steel tube 31, resistance wire 32 is located at the central interior position of stainless steel tube 31, between stainless steel tube 31 and resistance wire 32, by Insulation stopping 33, fill, resistance wire 32 for nickel chromium triangle be resistance material, Insulation stopping 33 is magnesium oxide.Flange 34 is fixed on stainless steel tube 31, porcelain piece 35 is located between flange 34 and nut 37, nut 37 is tightened flange 34 and porcelain piece 35 by the screw thread 36 on stainless steel tube 31, and pyrocondensation insulated tube 38 is arranged on the two ends of stainless steel tube 31, and resistance case lid 2 covers on resistance casing 1.Resistance case lid 2 is provided with resistance box louvre 21.
The present invention packs the resistance wire of certain model 52 in stainless steel tube into, insert high temperature insulation inserts 53 in stainless steel tube 51 after, be prepared into resistance, flange 54, fastening porcelain piece 55 and nut 57 for the resistance of having manufactured are arranged on as in the resistance box of Fig. 3, can carry out as required the adjustment of resistance profile and resistance series, parallel, connect wire and just formed heating resistor case.Again the resistance of some is carried out being arranged on use in resistance casing 1 after suitable deformation, form resistance box.
The present invention, for protective resistance silk 52, at the outside stainless steel tube 51 that increases of resistance wire 52, has corrosion-resistant rust inhibition, increases the power bearing on unit of resistance area, and structural resistance unit are of the present invention is born large 2 times of power ratio aluminum alloy casing resistance.Insulation stopping 53 is for internationally recognized insulation and the best magnesium oxide that dispels the heat are as inserts, more than its proof voltage and insulation property can reach 50M Ω.Insulation stopping 53 does not affect aborning stainless steel tube 51 is carried out to bending distortion, and all right protective resistance silk is not oxidized; Simultaneous oxidation magnesium can bear and the resistance wire same temperature of generating heat.At resistance end, increase flange 54 securing members, and between flange 54 securing members and casing, increased porcelain piece 55 and insulate, further improved the insulation property of resistance box, more than can reaching 10000M Ω.Resistance is that nickel chromium triangle is resistance material, has the feature of good shock-resistant and resistance to current loading.Resistance casing 1 shell adopts immortal steel plate materials to make, and can carry out perforate heat radiation on casing according to concrete service condition.
A kind of high-power stainless steel tubular type heating electric resistance case, is provided with 1 tubular electric resistance 3 in resistance casing 1, all the other are with embodiment 1.
Embodiment 3
A kind of high-power stainless steel tubular type heating electric resistance case, is provided with 1 tubular electric resistance 1000 in resistance casing 1, all the other are with embodiment 1.
Claims (7)
1. a high-power stainless steel tubular type heating electric resistance case, this resistance box comprises resistance casing (1), resistance case lid (2), in described resistance casing (1), be provided with multiple tubular electric resistance (3), it is characterized in that, described tubular electric resistance (3) comprises stainless steel tube (31), resistance wire (32), Insulation stopping (33), flange (34), porcelain piece (33), nut (37) and pyrocondensation insulated tube (38), described resistance wire (32) and Insulation stopping (33) are located in stainless steel tube (31), described flange (34) is fixed on stainless steel tube (31), described porcelain piece (35) is located between flange (34) and nut (37), described nut (37) is tightened flange (34) and porcelain piece (35) by the screw thread (36) on stainless steel tube (31), described pyrocondensation insulated tube (38) is arranged on the two ends of stainless steel tube (31), described resistance case lid (2) covers on resistance casing (1).
2. the high-power stainless steel tubular type of one according to claim 1 heating electric resistance case, it is characterized in that, described resistance wire (32) is located at the central interior position of stainless steel tube (31), between described stainless steel tube (31) and resistance wire (32), by Insulation stopping (33), fills.
3. the high-power stainless steel tubular type of one according to claim 2 heating electric resistance case, is characterized in that, described resistance wire (32) for nickel chromium triangle be resistance material, described Insulation stopping (33) is magnesium oxide.
4. the high-power stainless steel tubular type of one according to claim 1 heating electric resistance case, is characterized in that, described multiple tubular electric resistance (3) can be carried out the adjustment of resistance profile and resistance value series, parallel as required.
5. according to the high-power stainless steel tubular type of the one described in claim 1 or 4 heating electric resistance case, it is characterized in that, the quantity of described multiple tubular electric resistance (3) is 1-1000.
6. the high-power stainless steel tubular type of one according to claim 1 heating electric resistance case, is characterized in that, described resistance case lid (2) is provided with resistance box louvre (21).
7. the high-power stainless steel tubular type of one according to claim 1 heating electric resistance case, is characterized in that, described resistance casing (1) and resistance case lid (2) adopt stainless steel material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010502514.9A CN102446610B (en) | 2010-10-11 | 2010-10-11 | Large power stainless steel tubular type heating resistance box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010502514.9A CN102446610B (en) | 2010-10-11 | 2010-10-11 | Large power stainless steel tubular type heating resistance box |
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| Publication Number | Publication Date |
|---|---|
| CN102446610A CN102446610A (en) | 2012-05-09 |
| CN102446610B true CN102446610B (en) | 2014-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010502514.9A Active CN102446610B (en) | 2010-10-11 | 2010-10-11 | Large power stainless steel tubular type heating resistance box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4310867A1 (en) * | 2022-07-15 | 2024-01-24 | Jovyatlas GmbH | Load bank |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104021898A (en) * | 2014-06-23 | 2014-09-03 | 上海鹰峰电子科技有限公司 | Aluminum-shell resistor and production method thereof |
| CN104157382A (en) * | 2014-08-08 | 2014-11-19 | 广西电网公司电力科学研究院 | Load alloy resistance tube |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201584247U (en) * | 2009-12-31 | 2010-09-15 | 杭州优迈科技有限公司 | Metal tube type brake resistance and resistance box |
| CN201584246U (en) * | 2009-12-31 | 2010-09-15 | 杭州优迈科技有限公司 | Metal tubular brake resistor and resistance box |
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2010
- 2010-10-11 CN CN201010502514.9A patent/CN102446610B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201584247U (en) * | 2009-12-31 | 2010-09-15 | 杭州优迈科技有限公司 | Metal tube type brake resistance and resistance box |
| CN201584246U (en) * | 2009-12-31 | 2010-09-15 | 杭州优迈科技有限公司 | Metal tubular brake resistor and resistance box |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4310867A1 (en) * | 2022-07-15 | 2024-01-24 | Jovyatlas GmbH | Load bank |
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| CN102446610A (en) | 2012-05-09 |
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