CN204929298U - Inserted heating cable of cold junction - Google Patents
Inserted heating cable of cold junction Download PDFInfo
- Publication number
- CN204929298U CN204929298U CN201520491834.7U CN201520491834U CN204929298U CN 204929298 U CN204929298 U CN 204929298U CN 201520491834 U CN201520491834 U CN 201520491834U CN 204929298 U CN204929298 U CN 204929298U
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- CN
- China
- Prior art keywords
- heating cable
- inner core
- cold junction
- red copper
- junction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses an inserted heating cable of cold junction, including the cable inner core, insulating layer and external coating, its characterized in that, the cable inner core include that the hot junction is regional, regional and the wire drawing bundle head of cold junction, the regional heater strip heart yearn subassembly that is in hot junction, heater strip heart yearn subassembly both ends symmetry is provided with the hole of arrow point form, downthehole inlaying there is red copper inner core cover, and leave one and stretch out the end, the wire drawing is pricked the head and is connected in the outside of stretching out the end, the outer outer core cover (b) of red copper that is equipped with of red copper inner core cover, (B, ) the outer core cover of red copper inner core cover and red copper constitutes the cold junction region, it is regional around the hot junction, cold junction region and wire drawing are pricked the head and are installed insulating layer and external coating. The utility model discloses an inserted heating cable of cold junction inlays the cold junction region in the region of hot junction, and fixed through the crimping, the wire drawing is drawn and thermal treatment, realizes the same, middle non junction of cold and hot regional external diameter, is the effect that the integral type is connected, has avoided the be connected problem of cold junction line with heating cable, has improved production efficiency to the cost is reduced.
Description
Technical field
The utility model relates to mineral insulation heating cable field, particularly relates to the inserted heating cable of a kind of cold junction.
Background technology
When mineral insulation heating cable is laid, need to connect heating cable and power transmission cable by cold end line.The connection of cold end line and heating cable adopts connector to complete, and this connector exists following problem: 1. connector adopts welding manner operation, and time one long easily cracking, causes the decreasing insulating of mineral insulation heating cable, bring potential safety hazard; 2. connector place silk material can not bend, and requires very high to the technical merit of construction; 3. solder connector length consuming time, cost is high.
Summary of the invention
In order to solve the problems of the prior art, the purpose of this utility model is to provide a kind of mineral insulation heating cable of cold-hot integrated formula, avoids the problem adopting connector to connect cold end line and heating cable; Cold end region is arranged on heating cable inner core, cover insulation layer and protective layer, by wire drawing drawing and heat treatment; realize the effect that cold and hot area outer diameter is identical, integral type connects; avoid the connectivity problem of cold end line and heating cable, improve production efficiency, and reduce production cost.
The technical solution of the utility model: the inserted heating cable of a kind of cold junction; comprise cable inner core; insulating barrier and external protection; it is characterized in that; described cable inner core comprises region, hot junction; head is pricked in cold end region and wire drawing; described region, hot junction is heater strip cord assembly; described heater strip cord assembly two ends are symmetrically arranged with sagittate hole; red copper inner core cover is inlaid with in described hole; and leaving an external part, the outside that head is connected to described external part is pricked in described wire drawing, is provided with the outer core retainer plate of red copper outside described red copper inner core cover
,the outer core retainer plate of described red copper inner core cover and red copper forms cold end region, and around described region, hot junction, cold end region and wire drawing prick head and be provided with insulating barrier and external protection.
Wherein, described red copper inner core cover and the contact-making surface of heater strip cord assembly match.
Wherein, described red copper inner core cover 5mm longer than the hole of heater strip cord assembly.
Wherein, described cold end region is fixing by press crimping, and described cold end region crimping length is 15mm.
Wherein, described external part and wire drawing are pricked head and are passed through spot-welded.
Wherein, head and heater strip cord assembly material are pricked in described wire drawing, external diameter is identical.
Wherein, head length is pricked in described wire drawing is 200mm.
Wherein, described insulating barrier is magnesium oxide sleeve column.
Wherein, described external protection is stainless steel tube.
Wherein, described heating cable is by drawing process and heat treatment.
Compared with prior art; the beneficial effect that the utility model realizes: red copper inner core cover is embedded in heater strip cord assembly by the inserted heating cable of cold junction of the present utility model; fixing by press crimping; complete the connection in cold end region and region, hot junction; cable inner core outer sleeve insulating barrier and protective layer; by wire drawing drawing and heat treatment; realize the effect that cold and hot area outer diameter is identical, integral type connects; avoid the connectivity problem of cold end line and heating cable; improve production efficiency, and reduce production cost.
Accompanying drawing explanation
The utility model is further described below in conjunction with the drawings and specific embodiments:
Fig. 1 is the structural representation of the inserted heating cable of the utility model cold junction;
Fig. 2 is the heater strip cord assembly structural representation of the inserted heating cable of the utility model cold junction;
Fig. 3 is the red copper inner core cover structural representation of the inserted heating cable of the utility model cold junction;
Fig. 4 is the heater strip cord assembly of the inserted heating cable of the utility model cold junction and the annexation figure of red copper inner core cover.
Embodiment
As Fig. 1; 2; 3; shown in 4; the inserted heating cable of a kind of cold junction; comprise cable inner core, insulating barrier 6 and external protection 7, is characterized in that; described cable inner core comprises region, hot junction; head is pricked in cold end region and wire drawing, and described region, hot junction is heater strip cord assembly 1, and described heater strip cord assembly 1 two ends are symmetrically arranged with sagittate hole; red copper inner core cover 2 is inlaid with in described hole; and leaving an external part 3, the outside that 4 are connected to described external part 3 is pricked in described wire drawing, is provided with the outer core retainer plate 5 of red copper outside described red copper inner core cover 2
,the outer core retainer plate 5 of described red copper inner core cover 2 and red copper forms cold end region, and around described region, hot junction, cold end region and wire drawing prick 4 and be provided with insulating barrier 6 and external protection 7.
Described red copper inner core cover 2 matches with the contact-making surface of heater strip cord assembly 1, described red copper inner core cover 2 5mm longer than the hole of heater strip cord assembly 1.
Described cold end region is fixing by press crimping, and described cold end region crimping length is 15mm.
Described external part 3 and wire drawing prick 4 by spot-welded, and described wire drawing is pricked 4 identical with heater strip cord assembly 1 material, external diameter, and described wire drawing bundle 4 length are 200mm.
Described insulating barrier 6 is magnesium oxide sleeve column, and described external protection 7 is stainless steel tube.
Red copper inner core cover is embedded in heater strip cord assembly by the inserted heating cable of cold junction of the present utility model; fixing by press crimping; complete the connection in cold end region and region, hot junction; cable inner core outer sleeve insulating barrier and protective layer; by wire drawing drawing and heat treatment, realize the effect that cold and hot area outer diameter is identical, integral type connects, avoid the connectivity problem of cold end line and heating cable; improve production efficiency, and reduce production cost.
Above-mentioned embodiment is exemplary, is to enable those skilled in the art understand this patent better, can not be interpreted as it is restriction this patent being comprised to scope; As long as according to this patent disclose any equivalent change done or the modification of spirit, all fall into the scope that this patent comprises.
Claims (10)
1. the inserted heating cable of cold junction, comprise cable inner core, insulating barrier (6) and external protection (7), it is characterized in that, described cable inner core comprises region, hot junction, head is pricked in cold end region and wire drawing, described region, hot junction is heater strip cord assembly (1), described heater strip cord assembly (1) two ends are symmetrically arranged with sagittate hole, red copper inner core cover (2) is inlaid with in described hole, and leave an external part (3), the outside that head (4) is connected to described external part (3) is pricked in described wire drawing, the outer core retainer plate (5) of red copper is provided with outside described red copper inner core cover (2)
,the outer core retainer plate (5) of described red copper inner core cover (2) and red copper forms cold end region, and around described region, hot junction, cold end region and wire drawing prick head (4) and be provided with insulating barrier (6) and external protection (7).
2. the inserted heating cable of cold junction as claimed in claim 1, is characterized in that, described red copper inner core cover (2) matches with the contact-making surface of heater strip cord assembly (1).
3. the inserted heating cable of cold junction as claimed in claim 1, is characterized in that, described red copper inner core cover (2) 5mm longer than the hole of heater strip cord assembly (1).
4. the inserted heating cable of cold junction as claimed in claim 1, is characterized in that, described cold end region is fixing by press crimping, and described cold end region crimping length is 15mm.
5. the inserted heating cable of cold junction as claimed in claim 1, is characterized in that, described external part (3) and wire drawing are pricked head (4) and passed through spot-welded.
6. the inserted heating cable of cold junction as claimed in claim 5, is characterized in that, head (4) and heater strip cord assembly (1) material are pricked in described wire drawing, external diameter is identical.
7. the inserted heating cable of cold junction as claimed in claim 5, is characterized in that, it is 200mm that head (4) length is pricked in described wire drawing.
8. the inserted heating cable of cold junction as claimed in claim 1, it is characterized in that, described insulating barrier (6) is magnesium oxide sleeve column.
9. the inserted heating cable of cold junction as claimed in claim 1, it is characterized in that, described external protection (7) is stainless steel tube.
10. the inserted heating cable of cold junction as claimed in claim 1, it is characterized in that, described heating cable is by drawing process and heat treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520491834.7U CN204929298U (en) | 2015-07-09 | 2015-07-09 | Inserted heating cable of cold junction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520491834.7U CN204929298U (en) | 2015-07-09 | 2015-07-09 | Inserted heating cable of cold junction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204929298U true CN204929298U (en) | 2015-12-30 |
Family
ID=54978390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520491834.7U Expired - Fee Related CN204929298U (en) | 2015-07-09 | 2015-07-09 | Inserted heating cable of cold junction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204929298U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105934005A (en) * | 2016-05-06 | 2016-09-07 | 武汉航空仪表有限责任公司 | Novel heater of icing detector |
-
2015
- 2015-07-09 CN CN201520491834.7U patent/CN204929298U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105934005A (en) * | 2016-05-06 | 2016-09-07 | 武汉航空仪表有限责任公司 | Novel heater of icing detector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20190709 |