CN206272876U - Minor diameter flexible armoring electric heating - Google Patents
Minor diameter flexible armoring electric heating Download PDFInfo
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- CN206272876U CN206272876U CN201621394508.5U CN201621394508U CN206272876U CN 206272876 U CN206272876 U CN 206272876U CN 201621394508 U CN201621394508 U CN 201621394508U CN 206272876 U CN206272876 U CN 206272876U
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- heating
- metal sleeve
- heating wire
- electric heating
- minor diameter
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Abstract
A kind of minor diameter flexible armoring electric heating, metal sleeve including preceding end closure, four heating wire are provided with the tube chamber of metal sleeve, the front end of each heating wire flushes, four heating wire are spaced from each other by the insulating heat-conductive filler of filling in metal sleeve tube chamber, it is distributed along foursquare corner, wherein two front ends of heating wire are connected by laser welding, constitute the first heating of the bending that takes the shape of the letter U, remaining two front ends of heating wire are connected by laser welding, constitute the second heating of the bending that takes the shape of the letter U, first heating, second heating is parallel to each other and does not intersect, the metal sleeve is through drawing undergauge, form the flexible armoring electric heating that caliber D is 1 2mm.The utility model small volume, lightweight, compact conformation, heating power are high, can be according to the electrical heating demand for using deflection deformation is needed, meeting narrow space.
Description
Technical field
The utility model is related to heater context, more particularly to a kind of minor diameter flexible armoring electric heating.
Background technology
Armouring electric heating can be used to prepare tubular heater.Load high-resistance electrothermic alloy silk in metal tube as hair
Hot material, filling good insulating performance, the inserts of high thermal conductivity coefficient, high-resistance electrothermic alloy around high-resistance electrothermic alloy silk
Silk is connected with power supply, is made the electric heater of metal tube heating.The tubular heater prepared using armouring electric heating has heat
The advantages of effect property high, rapid heat dissipation, it is widely used in such as space flight, aviation, mould, analytical instrument, laboratory field.Aviation, boat
The available assembly space of its equipment is narrow and small, condition of work is severe, and the armouring electric heating standard to installing and using is harsh, and current
Widely used armouring electric heating caliber is generally higher than Φ 4mm, and the caliber of this armouring electric heating itself is thicker, rigidity
By force, flexibility is poor, it is impossible to effectively meet the use demand of the narrow spaces such as space flight, aviation.
The content of the invention
The purpose of this utility model is directed to the deficiencies in the prior art, there is provided a kind of minor diameter flexible armoring electric heating,
Its small volume, lightweight, compact conformation, heating power are high, can be according to using deflection deformation is needed, and the electricity for meeting narrow space adds
Heat demand.
The technical solution of the utility model is：A kind of minor diameter flexible armoring electric heating, including preceding end closure metal
Sleeve pipe, is provided with four heating wire for axially extending in the tube chamber of the metal sleeve, the front end of each heating wire flushes, each electric heating
The rear end of silk overhangs metal sleeve, and for being connected with corresponding power supply lead wire, four heating wire pass through metal sleeve pipe
The insulating heat-conductive filler filled in chamber is spaced from each other, and is distributed along foursquare corner, has between adjacent two heating wire exhausted
Edge clearance t, has spacing distance l between each heating wire and the inwall of metal sleeve, wherein two front ends of heating wire are by swashing
Photocoagulation is connected, and constitutes the first heating of the bending that takes the shape of the letter U, and remaining two front ends of heating wire are connected by laser welding,
The second heating of the bending that takes the shape of the letter U is constituted, the first heating, the second heating are parallel to each other and do not intersect, the gold
Category sleeve pipe forms the flexible armoring electric heating that caliber D is 1-2mm through drawing undergauge.
The heating wire uses Cr20Ni80Alloy is made, a diameter of 0.1mm-0.2mm.
The metal sleeve uses 06Cr19Ni10Alloy is made, and the wall thickness s of metal sleeve is 0.1-0.2mm.
The insulating heat-conductive filler use purity for 99.4% metal oxide MgO.
Clearance for insulation t >=0.05 times metal sleeve caliber D between adjacent two heating wire.
The front end of the metal sleeve is by end socket sealing mouthful.
Had the advantages that using above-mentioned technical proposal：
1st, the front end of four heating wire for axially extending flushes, and four heating wire are by filling in metal sleeve tube chamber
Insulating heat-conductive filler is spaced from each other, and is distributed along foursquare corner, has clearance for insulation t between adjacent two heating wire, respectively
There is spacing distance l between heating wire and the inwall of metal sleeve, be arranged such, make four heating wire in the tube chamber of metal sleeve
Inside it is uniformly distributed, every heating wire is separate not to be contacted, and while armouring electric heating reliability is ensured, makes every electric heating
The caloric value of silk can it is uniform, be rapidly transferred to metal sleeve, it is to avoid the heating of armouring electric heating is uneven, further, since four
The front end of heating wire flushes, moreover it is possible to which the heating that armouring electric heating each point along its length is effectively ensured is uniform, makes armouring electric heating
The heating temp of cable each point is identical.
2nd, wherein two front ends of heating wire are connected by laser welding, constitute the first heating of the bending that takes the shape of the letter U, remaining
The front end of lower two heating wire is connected by laser welding, the second heating of the bending that takes the shape of the letter U is constituted, due in metal sleeve
With the first separate heating, the second heating so that the heating power of armouring electric heating is bigger, relative to
The armouring electric heating that tradition is used, the utility model can realize identical heating effect, Ji Nengyou with the cable of short length
Effect meets the demand for heat of specific environment, meanwhile, take up room also less；First heating element heater, the second heating element heater are mutually put down
Row and do not intersect, make the first heating element heater, the second heating element heater is separate, be independent of each other, even if one of heating element heater
Damage cannot generate heat, another heating element heater still can normal work heating, also effectively increase the reliability of armouring electric heating.
It is further described with reference to the accompanying drawings and detailed description.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the A-A sectional views of Fig. 1；
Fig. 3 is the B-B sectional views of Fig. 1；
Fig. 4 is the structural representation of the pipe heater prepared using the utility model.
In accompanying drawing, 1 is metal sleeve, and 2 is package cover, and 3 is heating wire, and 4 is insulating heat-conductive filler, and 5 is the first electric heating
Element, 6 is the second heating, and 7 is power supply lead wire.
Specific embodiment
It is a kind of specific embodiment of minor diameter flexible armoring electric heating referring to Fig. 1 to Fig. 3.Minor diameter single ended input
Flexible armoring electric heating includes the metal sleeve 1 of preceding end closure, and in the present embodiment, metal sleeve 1 uses model
06Cr19Ni10Alloy be made, wherein, the wall thickness s of metal sleeve 1 is set to 0.15mm, and the front end of metal sleeve 1 is welded by end socket
Sealing.Four heating wire 3 for axially extending are provided with the tube chamber of the metal sleeve 1, the front end of each heating wire 3 flushes, respectively
The rear end of heating wire 3 overhangs metal sleeve 1, and for being connected with corresponding power supply lead wire, this four heating wire are use
Cr20Ni80The heating wire of a diameter of 0.1mm-0.2mm that alloy is made, in the present embodiment, each heating wire it is a diameter of
0.135mm.Four heating wire 3 are spaced from each other by the insulating heat-conductive filler 4 of filling in the tube chamber of metal sleeve 1, along just
Square corner distribution, has clearance for insulation t, between each heating wire 3 and the inwall of metal sleeve 1 between adjacent two heating wire
With spacing distance l, in the present embodiment, insulating heat-conductive filler use purity for 99.4% metal oxide MgO, so both
Can guarantee that between each heating wire, insulating properties good between each heating wire and metal sleeve, while, it is ensured that each heating wire and metal
There is good thermal conductivity between sleeve pipe, the caloric value of heating wire is quickly transferred to metal sleeve, to external devices, environment
Heating, the clearance for insulation t between adjacent two heating wire, and the spacing distance between the inwall of each heating wire 3 and metal sleeve 1
L is identical, is disposed as 0.17mm.Wherein two front ends of heating wire are connected by laser welding, and composition takes the shape of the letter U the first of bending
Heating 5, remaining two front ends of heating wire are connected by laser welding, constitute the second heating 6 of the bending that takes the shape of the letter U,
First heating 5, the second heating 6 are parallel to each other and do not intersect, i.e. between the first heating element heater, the second heating element heater
Distance be also 0.17mm, the power of laser welding is 1400-1500W, and weld interval is 0.4-1s, it is ensured that between two heating wire
Solder joint smooth, be arranged such the first heating, the position of the second heating, can both keep minor diameter single ended input flexible
Armouring electric heating caloric value everywhere is identical, meanwhile, make that the first heating, the second heating be separate, mutual not shadow
Ring, be prevented effectively from the contingency caused because the heating wire of two heatings is contacted.The metal sleeve 1 through drawing undergauge,
It is the flexible armoring electric heating of 1-2mm to form caliber D, specifically, flexible armoring electric heating is 1.2mm through drawing undergauge.
The utility model minor diameter flexible armoring electric heating small volume, lightweight, compact conformation, with reliability it is high,
Heating power advantage high, can as needed bend the specific installation environment of adaptation, be suitably applied in space flight, aviation field, such as defend
The miniaturization of the aircraft such as star, aircraft, lightweight structure part.
Referring to Fig. 4, when being used to prepare pipe heater using the utility model minor diameter flexible armoring electric heating, in gold
The rear end for belonging to sleeve pipe 1 is arranged package cover 2, and the rear end of four heating wire 3 is extended into package cover 2, is drawn with each self-corresponding power supply
Line 7 is connected by soldering, and the metal oxide MgO of filling insulating heat-conductive, is spaced from each other each heating wire, most in package cover 2
Afterwards, the opening in the axial end of package cover 2 is sealed by the organic fluid sealant of high temperature.
As needed, the first heating element heater, the second heating element heater is made to be connected with power supply by power supply lead wire, general connection is straight
Stream power supply.First heating element heater, the second heating element heater can work independently, and form single ended input two-way integrated heating independent mutually
Device；As needed the first heating element heater, the second heating element heater serial or parallel connection can also be made to work.
The length of the utility model minor diameter flexible armoring electric heating can according to install need or power it needs to be determined that, can
It is made linear pattern electric heater, helical form electric heater, or other special-shaped electric heaters.
Claims (6)
1. a kind of minor diameter flexible armoring electric heating, it is characterised in that：Metal sleeve (1) including preceding end closure, the gold
Four heating wire for axially extending (3) are provided with the tube chamber of category sleeve pipe (1), the front end of each heating wire (3) flushes, each heating wire
(3) rear end overhangs metal sleeve (1), and for being connected with corresponding power supply lead wire, four heating wire (3) are by metal
The insulating heat-conductive filler (4) of filling is spaced from each other in sleeve pipe (1) tube chamber, is distributed along foursquare corner, adjacent two electric heating
There is clearance for insulation t between silk, there is spacing distance l, wherein two between each heating wire (3) and the inwall of metal sleeve (1)
The front end of heating wire is connected by laser welding, constitutes first heating (5) of the bending that takes the shape of the letter U, remaining two heating wire
Front end is connected by laser welding, constitutes second heating (6) of the bending that takes the shape of the letter U, the first heating (5), the second electric heating
Element (6) is parallel to each other and does not intersect, and the metal sleeve (1) forms the flexible armoring that caliber D is 1-2mm through drawing undergauge
Electric heating.
2. minor diameter flexible armoring electric heating according to claim 1, it is characterised in that：The heating wire (3) uses
Cr20Ni80Alloy is made, a diameter of 0.1mm-0.2mm.
3. minor diameter flexible armoring electric heating according to claim 1, it is characterised in that：The metal sleeve (1) is adopted
Use 06Cr19Ni10Alloy is made, and the wall thickness s of metal sleeve (1) is 0.1-0.2mm.
4. minor diameter flexible armoring electric heating according to claim 1, it is characterised in that：The insulating heat-conductive filler
(4) use purity for 99.4% metal oxide MgO.
5. minor diameter flexible armoring electric heating according to claim 1, it is characterised in that：Adjacent two heating wire
Between clearance for insulation t >=0.05 times metal sleeve caliber D.
6. minor diameter flexible armoring electric heating according to claim 1, it is characterised in that：The metal sleeve (1)
Front end is by end socket sealing mouthful.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621394508.5U CN206272876U (en) | 2016-12-19 | 2016-12-19 | Minor diameter flexible armoring electric heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621394508.5U CN206272876U (en) | 2016-12-19 | 2016-12-19 | Minor diameter flexible armoring electric heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206272876U true CN206272876U (en) | 2017-06-20 |
Family
ID=59046059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621394508.5U Active CN206272876U (en) | 2016-12-19 | 2016-12-19 | Minor diameter flexible armoring electric heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206272876U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114828313A (en) * | 2022-03-31 | 2022-07-29 | 绍兴市上虞华泰自动化仪表有限公司 | Armored heater suitable for various heating powers |
-
2016
- 2016-12-19 CN CN201621394508.5U patent/CN206272876U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114828313A (en) * | 2022-03-31 | 2022-07-29 | 绍兴市上虞华泰自动化仪表有限公司 | Armored heater suitable for various heating powers |
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