CN201910263U - Dual-shielded signal cable for high-precision frequency-conversion speed-regulation system - Google Patents
Dual-shielded signal cable for high-precision frequency-conversion speed-regulation system Download PDFInfo
- Publication number
- CN201910263U CN201910263U CN201120006382.0U CN201120006382U CN201910263U CN 201910263 U CN201910263 U CN 201910263U CN 201120006382 U CN201120006382 U CN 201120006382U CN 201910263 U CN201910263 U CN 201910263U
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- signal cable
- conversion speed
- pvc
- drainage
- precision
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000004020 conductor Substances 0.000 claims abstract description 15
- 239000010949 copper Substances 0.000 claims abstract description 12
- 229910052802 copper Inorganic materials 0.000 claims abstract description 12
- 239000011888 foil Substances 0.000 claims description 5
- 229920000728 polyester Polymers 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims 4
- 238000009954 braiding Methods 0.000 claims 3
- 230000008054 signal transmission Effects 0.000 abstract description 6
- 229920000049 Carbon (fiber) Polymers 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 239000004917 carbon fiber Substances 0.000 abstract description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 4
- 229920000915 polyvinyl chloride Polymers 0.000 abstract 5
- 239000004800 polyvinyl chloride Substances 0.000 abstract 5
- 239000005030 aluminium foil Substances 0.000 abstract 1
- 239000011152 fibreglass Substances 0.000 abstract 1
- 238000009941 weaving Methods 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 239000003365 glass fiber Substances 0.000 description 3
- 208000032365 Electromagnetic interference Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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- Insulated Conductors (AREA)
- Communication Cables (AREA)
Abstract
Description
技术领域technical field
本实用新型涉及一种电气设备用信号电缆，尤其是玻璃纤维、碳纤维等行业的高精度变频调速系统用信号电缆。The utility model relates to a signal cable for electrical equipment, in particular to a signal cable for a high-precision frequency conversion speed regulation system in industries such as glass fiber and carbon fiber.
背景技术Background technique
在变频调速系统中有许多的电磁干扰，这些高频电磁干扰难以消除，严重影响了变频调速系统的信号传输。在当下，国内的化纤产业正处于飞速发展阶段，化纤生产的传动速度正向高速度、高精度方向发展，尤其在玻璃纤维、碳纤维等行业，对传动系统的稳定性和精度要求很高。虽然现有高性能变频器的控制精度已经达到0.1%，但受普通屏蔽信号电缆的信号传输质量限制，不能达到高性能变频器对信号传输的要求，从而严重影响了高精度变频调速系统的稳定性和精度。There are many electromagnetic interferences in the frequency conversion speed regulation system. These high frequency electromagnetic interferences are difficult to eliminate and seriously affect the signal transmission of the frequency conversion speed regulation system. At present, the domestic chemical fiber industry is in a stage of rapid development, and the transmission speed of chemical fiber production is developing towards high speed and high precision. Especially in glass fiber, carbon fiber and other industries, the stability and precision of the transmission system are highly required. Although the control accuracy of existing high-performance frequency converters has reached 0.1%, it cannot meet the signal transmission requirements of high-performance frequency converters due to the limitation of signal transmission quality of ordinary shielded signal cables, which seriously affects the high-precision frequency conversion speed regulation system. stability and precision.
发明内容Contents of the invention
为了解决现有普通屏蔽信号电缆在高精度变频调速系统中信号传输存在的不足，本实用新型提供一种高精度变频调速系统用双屏蔽信号电缆，对高频电磁干扰有较强的抗干扰能力，提高高精度变频调速控制系统的稳定性和安全性。In order to solve the deficiencies in the signal transmission of existing ordinary shielded signal cables in high-precision frequency conversion speed regulation systems, the utility model provides a double-shielded signal cable for high-precision frequency conversion speed regulation systems, which has strong resistance to high-frequency electromagnetic interference. Interference ability, improve the stability and safety of high-precision frequency conversion speed regulation control system.
本实用新型提供的高精度变频调速系统用双屏蔽信号电缆，包括PVC绝缘对绞线对导体、引流裸铜线及包覆在其外的屏蔽层，所述的 PVC绝缘对绞线对导体外包有铝箔屏蔽层， PVC绝缘对绞线对导体和引流裸铜线外包有总屏蔽层。The utility model provides a double-shielded signal cable for a high-precision frequency conversion speed regulation system, including a PVC insulated twisted pair conductor, a drainage bare copper wire and a shielding layer coated outside it, and the PVC insulated twisted pair conductor Aluminum foil shielding layer is outsourced, PVC insulated twisted pair conductors and drainage bare copper wires are outsourced with general shielding layer.
所述的总屏蔽层为编织铜网总屏蔽层；编织铜网总屏蔽层的编织铜网覆盖率大于等于80%。The overall shielding layer is a braided copper mesh overall shielding layer; the braided copper mesh coverage of the braided copper mesh overall shielding layer is greater than or equal to 80%.
优选的情况下，所述的双屏蔽信号电缆包括5组PVC绝缘对绞线对导体和1根引流裸铜线。Preferably, the double-shielded signal cable includes 5 sets of PVC-insulated twisted-pair conductors and 1 draining bare copper wire.
所述的总屏蔽层内侧设有聚酯带，外侧设有PVC外护层。The inside of the total shielding layer is provided with a polyester tape, and the outside is provided with a PVC outer sheath.
引流裸铜线的设置，起到让屏蔽电流接地的作用，从而提高了本实用新型的屏蔽效果。The setting of the draining bare copper wire plays the role of grounding the shielding current, thereby improving the shielding effect of the utility model.
本实用新型的有益效果是：具有良好的屏蔽性能，使高精度变频调速系统用信号电缆对高频电磁干扰有较强的抗干扰能力，从而提高了高精度变频调速控制系统的稳定性和安全性。尤其在玻璃纤维、碳纤维等对传动控制精度要求很高的行业，具有良好的信号传输稳定性和精度。The beneficial effect of the utility model is: it has good shielding performance, so that the signal cable used in the high-precision frequency conversion speed regulation system has a strong anti-interference ability against high-frequency electromagnetic interference, thereby improving the stability of the high-precision frequency conversion speed regulation control system and security. Especially in glass fiber, carbon fiber and other industries that require high transmission control precision, it has good signal transmission stability and precision.
附图说明Description of drawings
图1是本实用新型的双屏蔽信号电缆横截面示意图。Fig. 1 is a schematic cross-sectional view of a double-shielded signal cable of the present invention.
符号说明：1. PVC绝缘对绞线对导体；2. 铝箔屏蔽层；3. 引流裸铜线；4.聚酯带；5. 编织铜网总屏蔽层；6. PVC外护层。Explanation of symbols: 1. PVC insulated twisted pair conductor; 2. Aluminum foil shielding layer; 3. Drainage bare copper wire; 4. Polyester tape; 5. Braided copper mesh overall shielding layer; 6. PVC outer sheath.
具体实施方式Detailed ways
下面结合附图对本实用新型做进一步说明：Below in conjunction with accompanying drawing, the utility model is further described:
一种高精度变频调速系统用双屏蔽信号电缆，包括5组PVC绝缘对绞线对导体1和引流裸铜线3及包覆在其外的聚酯带4和PVC外护层6，每组PVC绝缘对绞线对导体1外包有铝箔屏蔽层2，在聚酯带4和PVC外护层6之间包覆编织铜网总屏蔽层5。A double-shielded signal cable for high-precision frequency conversion and speed regulation systems, including 5 sets of PVC insulated twisted pair conductors 1, drained
实施本实用新型的关键是制作好屏蔽层，以达到良好的屏蔽效果，满足使用要求。因此采用铝箔重叠绕包作为PVC绝缘对绞线对导体的屏蔽层，采用覆盖率大于等于80%的编织铜网作为总屏蔽层。The key to implementing the utility model is to make a good shielding layer to achieve a good shielding effect and meet the requirements of use. Therefore, the overlapping wrapping of aluminum foil is used as the shielding layer of the PVC insulated pair conductor, and the braided copper mesh with a coverage rate greater than or equal to 80% is used as the overall shielding layer.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120006382.0U CN201910263U (en) | 2011-01-11 | 2011-01-11 | Dual-shielded signal cable for high-precision frequency-conversion speed-regulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120006382.0U CN201910263U (en) | 2011-01-11 | 2011-01-11 | Dual-shielded signal cable for high-precision frequency-conversion speed-regulation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201910263U true CN201910263U (en) | 2011-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120006382.0U Expired - Lifetime CN201910263U (en) | 2011-01-11 | 2011-01-11 | Dual-shielded signal cable for high-precision frequency-conversion speed-regulation system |
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| CN (1) | CN201910263U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412011A (en) * | 2011-11-30 | 2012-04-11 | 江苏远洋东泽电缆股份有限公司 | Extrusion coating inner lining type marine instrument cable and manufacturing method thereof |
| CN103236297A (en) * | 2012-04-12 | 2013-08-07 | 江苏亨通线缆科技有限公司 | Super-flexible indoor high-speed data cable |
-
2011
- 2011-01-11 CN CN201120006382.0U patent/CN201910263U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412011A (en) * | 2011-11-30 | 2012-04-11 | 江苏远洋东泽电缆股份有限公司 | Extrusion coating inner lining type marine instrument cable and manufacturing method thereof |
| CN102412011B (en) * | 2011-11-30 | 2013-06-05 | 江苏远洋东泽电缆股份有限公司 | Inner liner extruded marine instrument cable and manufacturing method thereof |
| CN103236297A (en) * | 2012-04-12 | 2013-08-07 | 江苏亨通线缆科技有限公司 | Super-flexible indoor high-speed data cable |
| CN103236297B (en) * | 2012-04-12 | 2016-08-10 | 江苏亨通线缆科技有限公司 | Super-flexible indoor high-speed data cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110727 |