CN202976946U - Cold resistant control cable - Google Patents
Cold resistant control cable Download PDFInfo
- Publication number
- CN202976946U CN202976946U CN 201220712525 CN201220712525U CN202976946U CN 202976946 U CN202976946 U CN 202976946U CN 201220712525 CN201220712525 CN 201220712525 CN 201220712525 U CN201220712525 U CN 201220712525U CN 202976946 U CN202976946 U CN 202976946U
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- CN
- China
- Prior art keywords
- cold
- resistant control
- conductors
- control cables
- control cable
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- 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.)
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Abstract
The utility model relates to a cold resistant control cable comprising four conductors with insulators, wherein each two conductors form a group, an auxiliary shielding current conducting wire and an auxiliary shielding layer are sequentially wrapped outside each group of conductors, a total shielding current conducting wire, a total shielding layer and an outer jacket are sequentially wrapped outside all the conductors; the conductors are tinned copper wires; the auxiliary shielding current conducting wire and the total shielding current conducting wire are both formed by stranding tinned copper wires; the auxiliary shielding layer and the total shielding layer are both formed by wrapping aluminum-plastic composite bands; the insulators are crosslinked polyethylene insulators; and the outer jacket is formed by extruding a PVC (polyvinyl chloride) jacket material. The cold resistant control cable provided by the utility model can be used as a low capacitance and low inductance control cable for signal transmission in petrochemical plants in severe cold areas, and the cold resistant control cable has excellent shielding performance, anti-interference performance and cold resistance.
Description
Technical field
The utility model relates to a kind of control cables, specifically cold-resistant control cables.
Background technology
Exist the control cables of the occasion use of explosion hazard all to require to possess explosion-proof performance and the cold tolerance of essential safety at the severe cold area petrochemical plant, and general control cables in use easily produces the gathering of static, produce spark, do not possess explosion prevention function and cold-resistant function.
Summary of the invention
The utility model is intended to overcome the defective of prior art, and a kind of cold-resistant control cables is provided, and can be used for the low electric capacity of severe cold area petrochemical plant signal transmission, the control cables of low inductance, and have excellent shielding properties, interference free performance and cold tolerance.
In order to solve the problems of the technologies described above, the utility model is achieved in that
A kind of cold-resistant control cables, it is characterized in that: it comprises at least four with the conductor of insulation, every two is one group, and every group of conductor is surrounded by separated-shielding drainage thread and sub-shield outward successively, and all conductors are surrounded by total shielding drainage thread, total screen and oversheath outward successively.
Described cold-resistant control cables is characterized in that: described conductor is tinned copper wire.
Described cold-resistant control cables is characterized in that: described separated-shielding drainage thread and total shielding drainage thread are that tinned copper wire is stranded to be formed.
Described cold-resistant control cables is characterized in that: described sub-shield and total screen are that aluminium-plastic tape is wrapped to be formed.
Described cold-resistant control cables is characterized in that: described insulation is crosslinked polyetylene insulated.
Described cold-resistant control cables is characterized in that: described oversheath is that the PVC protective cover material extrudes and forms.
The beneficial effects of the utility model are: possessed the characteristic of cold-resistant and essential safety, can meet the requirement that has the explosion hazard occasion at severe cold area petrochemical plant etc. fully.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and embodiments:
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1: a kind of cold-resistant control cables, it comprises four with the conductor 1 of insulation 2, every two is one group, and every group of conductor is surrounded by separated-shielding drainage thread 4 and sub-shield 3 outward successively, and all conductors are surrounded by total shielding drainage thread 6, total screen 5 and oversheath 7 outward successively; Described conductor 1 is tinned copper wire; Described separated-shielding drainage thread 4 and total shielding drainage thread 6 are that tinned copper wire is stranded to be formed; Described sub-shield 3 and total screen 5 are that aluminium-plastic tape is wrapped to be formed, an included tin-coated copper twisted wire, whole cable core is in idiostatic, can not produce electrostatic charge, whole cable is low electric capacity, the difficult electric charge of storing, good shielding properties and antistatic property are arranged, even circuit is short-circuited or electric spark, the flammable explosive gas around also being not enough to light; Described insulation 2 is crosslinked polyetylene insulated, plays electric insulation, low temperature resistant flecition; Described oversheath 7 forms for the PVC protective cover material extrudes, and adopts the extrusion way that squeezes tubular type, and this material has resistance to low temperature.Cable has been possessed in-15 ℃ of environment construct, move under the environment of-40 ℃ ~ 70 ℃.
Claims (6)
1. cold-resistant control cables, it is characterized in that: it comprises at least four with the conductor of insulation, every two is one group, and every group of conductor is surrounded by separated-shielding drainage thread and sub-shield outward successively, and all conductors are surrounded by total shielding drainage thread, total screen and oversheath outward successively.
2. cold-resistant control cables according to claim 1, it is characterized in that: described conductor is tinned copper wire.
3. cold-resistant control cables according to claim 1 is characterized in that: described separated-shielding drainage thread and total shielding drainage thread are that tinned copper wire is stranded to be formed.
4. cold-resistant control cables according to claim 1 is characterized in that: described sub-shield and total screen are that aluminium-plastic tape is wrapped to be formed.
5. cold-resistant control cables according to claim 1, it is characterized in that: described insulation is crosslinked polyetylene insulated.
6. cold-resistant control cables according to claim 1 is characterized in that: described oversheath is that the PVC protective cover material extrudes and forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220712525 CN202976946U (en) | 2012-12-21 | 2012-12-21 | Cold resistant control cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220712525 CN202976946U (en) | 2012-12-21 | 2012-12-21 | Cold resistant control cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202976946U true CN202976946U (en) | 2013-06-05 |
Family
ID=48517990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220712525 Expired - Lifetime CN202976946U (en) | 2012-12-21 | 2012-12-21 | Cold resistant control cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202976946U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103886969A (en) * | 2014-03-01 | 2014-06-25 | 安徽华源电缆集团有限公司 | Ground control cold-resistant flame-retardant cable for electricity generation |
-
2012
- 2012-12-21 CN CN 201220712525 patent/CN202976946U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103886969A (en) * | 2014-03-01 | 2014-06-25 | 安徽华源电缆集团有限公司 | Ground control cold-resistant flame-retardant cable for electricity generation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 201514 Shanghai city Jinshan District zhenkang Zhangyan Town Road No. 238 Patentee after: SHANGHAI QIFAN CABLE CO.,LTD. Address before: 201514 Shanghai city Jinshan District Zhangyan Town Economic Development Zone Zhang Yan Kang Road No. 238 vibration Patentee before: SHANGHAI QIFAN ELECTRIC WIRE ELECTRIC CABLE Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130605 |
|
| CX01 | Expiry of patent term |