CN105976911B - A kind of dust and moisture resist bending RS232 serial port data lines - Google Patents
A kind of dust and moisture resist bending RS232 serial port data lines Download PDFInfo
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- CN105976911B CN105976911B CN201610492255.3A CN201610492255A CN105976911B CN 105976911 B CN105976911 B CN 105976911B CN 201610492255 A CN201610492255 A CN 201610492255A CN 105976911 B CN105976911 B CN 105976911B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/70—Insulation of connections
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- Insulating Bodies (AREA)
Abstract
本发明公开一种防尘防潮耐弯曲RS232串口数据线，包括：线缆，设置在线缆一端的USB接头，设置在线缆另一端的带有固定螺栓的RS232接头；线缆从外到内依次设置有外护套、外绝缘层、外增强层、外屏蔽层、若干导体；外屏蔽层与导体之间设置有填充物；导体从外到内依次设置有内绝缘层、内增强层、内屏蔽层和金属线芯；还包括：用于防护USB接头和RS232接头的接头防护套；接头防护套的一端设置供USB接头插入的USB插口，接头防护套的另一端设置供RS232接头插入的RS232插口。本发明有效提高数据线使用寿命和传输数据的稳定性。
The invention discloses a dust-proof, moisture-proof and bending-resistant RS232 serial port data cable, comprising: a cable, a USB connector arranged at one end of the cable, and an RS232 connector with fixing bolts arranged at the other end of the cable; the cable is arranged from outside to inside An outer sheath, an outer insulating layer, an outer reinforcing layer, an outer shielding layer, and several conductors are arranged in sequence; a filler is arranged between the outer shielding layer and the conductor; the conductor is sequentially arranged with an inner insulating layer, an inner reinforcing layer, Inner shielding layer and metal wire core; also includes: a connector protective sleeve for protecting the USB connector and RS232 connector; one end of the connector protective sleeve is provided with a USB socket for the USB connector to be inserted into, and the other end of the connector protective sleeve is provided with a socket for the RS232 connector to be inserted into RS232 socket. The invention effectively improves the service life of the data line and the stability of data transmission.
Description
技术领域technical field
本发明涉及数据线领域，具体涉及一种具有防尘防潮功能，且耐弯曲的RS232串口数据线。The invention relates to the field of data lines, in particular to an RS232 serial port data line with dust-proof and moisture-proof functions and resistance to bending.
背景技术Background technique
在电力设备领域，经常用到RS232串口数据线调试网络设备，RS232串口数据线的数据稳定传输对调试效率、调试准确性至关重要。但RS232串口数据线使用或存放过程中，会受到尘土和或水汽侵蚀，而影响其数据传输稳定性和其使用寿命。另一方面，RS232串口数据线难免会频繁弯曲，这就需要其具有较强的耐弯曲性能，避免影响其传输效率和寿命。In the field of power equipment, RS232 serial data lines are often used to debug network equipment. The stable data transmission of RS232 serial data lines is very important for debugging efficiency and debugging accuracy. However, during the use or storage of RS232 serial data cable, it will be corroded by dust and water vapor, which will affect its data transmission stability and its service life. On the other hand, the RS232 serial data cable will inevitably be bent frequently, which requires it to have strong bending resistance to avoid affecting its transmission efficiency and life.
发明内容Contents of the invention
为解决上述问题，本发明提供一种具有防尘防潮功能，且耐弯曲的RS232串口数据线。In order to solve the above problems, the present invention provides a RS232 serial port data cable with dust-proof and moisture-proof functions and resistance to bending.
本发明的技术方案是：一种防尘防潮耐弯曲RS232串口数据线，包括：线缆，设置在线缆一端的USB接头，设置在线缆另一端的带有固定螺栓的RS232接头；The technical solution of the present invention is: a dust-proof, moisture-proof and bending-resistant RS232 serial port data cable, comprising: a cable, a USB connector arranged at one end of the cable, and an RS232 connector with fixing bolts arranged at the other end of the cable;
所述线缆从外到内依次设置有外护套、外绝缘层、外增强层、外屏蔽层、若干导体；所述外屏蔽层与导体之间设置有填充物；所述导体从外到内依次设置有内绝缘层、内增强层、内屏蔽层和金属线芯；The cable is sequentially provided with an outer sheath, an outer insulating layer, an outer reinforcing layer, an outer shielding layer, and several conductors from the outside to the inside; a filler is arranged between the outer shielding layer and the conductor; the conductor is arranged from the outside to the inside An inner insulation layer, an inner reinforcement layer, an inner shielding layer and a metal wire core are sequentially arranged inside;
还包括：用于防护USB接头和RS232接头的接头防护套；所述接头防护套的一端设置供USB接头插入的USB插口，所述接头防护套的另一端设置供RS232接头插入的RS232插口。It also includes: a connector protective cover for protecting the USB connector and the RS232 connector; one end of the connector protective cover is provided with a USB socket for the USB connector to be inserted into, and the other end of the connector protective cover is provided with an RS232 socket for the RS232 connector to be inserted into.
进一步地，所述USB插口的内侧面和所述RS232插口的内侧面均涂覆有无机改性环氧树脂材料。Further, both the inner surface of the USB socket and the inner surface of the RS232 socket are coated with an inorganic modified epoxy resin material.
进一步地，所述RS232插口的两侧设置供固定螺栓插入的固定孔，固定孔内侧面设置与固定螺栓配合的螺纹。Further, the two sides of the RS232 socket are provided with fixing holes for insertion of fixing bolts, and the inner surface of the fixing holes is provided with threads matched with the fixing bolts.
进一步地，固定孔内侧面涂覆无机改性环氧树脂材料。Further, the inner surface of the fixing hole is coated with an inorganic modified epoxy resin material.
进一步地，接头防护套与USB接头、RS232接头接触的端面均沿周向设置凸出边，所述凸出边的内侧设置密封圈。Further, protruding edges are provided along the circumferential direction on the end faces of the connector protective sleeve in contact with the USB connector and the RS232 connector, and sealing rings are arranged inside the protruding edges.
进一步地，外增强层由聚乙烯醇纤维材料或聚对苯二甲酸乙二醇酯材料制成。Further, the outer reinforcing layer is made of polyvinyl alcohol fiber material or polyethylene terephthalate material.
进一步地，内增强层为聚四氟乙烯带。Further, the inner reinforcing layer is a polytetrafluoroethylene tape.
进一步地，填充物由PP填充物、棉纤维线和阻水粉混合物组成。Further, the filler is composed of PP filler, cotton fiber thread and water-blocking powder mixture.
本发明提供的防尘防潮耐弯曲RS232串口数据线，设置有接头防护套，当RS232串口数据线存放时，将USB接头和RS232接头插入接头防护套，避免USB接头和RS232接头受尘土潮气的侵蚀，有效优化RS232串口数据线的存放环境，提高其使用寿命和传输数据的稳定性。另一方面，在线缆内设置由耐弯曲材料制成的外增强层和内增强层，有效提高线缆的耐弯曲性和拉伸强度，避免RS232串口数据线因频繁弯曲造成的使用效果和使用寿命下降问题。The dust-proof, moisture-proof and bending-resistant RS232 serial data cable provided by the present invention is equipped with a connector protective cover. When the RS232 serial data cable is stored, the USB connector and the RS232 connector are inserted into the connector protective cover to prevent the USB connector and the RS232 connector from being eroded by dust and moisture. , effectively optimize the storage environment of the RS232 serial data line, improve its service life and the stability of data transmission. On the other hand, an outer reinforcement layer and an inner reinforcement layer made of bending-resistant materials are arranged in the cable, which can effectively improve the bending resistance and tensile strength of the cable, and avoid the use effect and loss caused by frequent bending of the RS232 serial data cable. The problem of reduced service life.
附图说明Description of drawings
图1是本发明具体实施例RS232串口数据线结构示意图。Fig. 1 is a schematic diagram of the RS232 serial port data line structure of a specific embodiment of the present invention.
图2是本发明具体实施例线缆结构示意图。Fig. 2 is a schematic diagram of a cable structure according to a specific embodiment of the present invention.
图3是本发明具体实施例接头防护套结构示意图。Fig. 3 is a schematic diagram of the structure of a joint protective sleeve according to a specific embodiment of the present invention.
图中，1-USB 接头，2-线缆，3-RS232接头，4-凸出边，5-密封圈，6-RS232插口，7-固定孔，201-外护套，202-外绝缘层，203-外增强层，204-外屏蔽层，205-填充物，206-内绝缘层，207-内增强层，208-内屏蔽层，209-金属线芯，301-固定螺栓。In the figure, 1-USB connector, 2-cable, 3-RS232 connector, 4-protruding edge, 5-sealing ring, 6-RS232 socket, 7-fixing hole, 201-outer sheath, 202-outer insulating layer , 203-outer reinforcing layer, 204-outer shielding layer, 205-filler, 206-inner insulating layer, 207-inner reinforcing layer, 208-inner shielding layer, 209-metal core, 301-fixing bolt.
具体实施方式detailed description
下面结合附图并通过具体实施例对本发明进行详细阐述，以下实施例是对本发明的解释，而本发明并不局限于以下实施方式。The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The following embodiments are explanations of the present invention, but the present invention is not limited to the following embodiments.
如图1和2所示，本发明提供的防尘防潮耐弯曲RS232串口数据线，包括线缆2，设置在线缆2一端的USB接头1，设置在线缆2另一端的带有固定螺栓301的RS232接头3。线缆2从外到内依次设置有外护套201、外绝缘层202、外增强层203、外屏蔽层204、若干导体；外屏蔽层204与导体之间设置有填充物205；导体从外到内依次设置有内绝缘层206、内增强层207、内屏蔽层208和金属线芯209。外增强层203由聚乙烯醇纤维材料或聚对苯二甲酸乙二醇酯材料制成，内增强层207为聚四氟乙烯带，有效提高线缆2的柔软度，耐弯曲性和拉伸强度，提高其使用寿命。填充物205由PP填充物、棉纤维线和阻水粉混合物组成，一方面棉纤维线可使线缆2不易受外力破坏，另一方便阻水粉避免水分进入导体，保护导体受破坏。外屏蔽层204和内屏蔽层208均可采用铝镁合金丝编织形成，隔绝电磁干扰，提高抗干扰性能和数据传输效率。外绝缘层202和内绝缘层206可以是交联聚乙烯、阻燃聚氯乙烯或ABS树脂。外护套201可以是热塑性聚氨酯类弹性材料，进一步提高线缆2的耐弯曲性能。As shown in Figures 1 and 2, the dust-proof, moisture-proof and bending-resistant RS232 serial data cable provided by the present invention includes a cable 2, a USB connector 1 arranged at one end of the cable 2, and a cable with a fixing bolt arranged at the other end of the cable 2 301 for RS232 connector 3. The cable 2 is sequentially provided with an outer sheath 201, an outer insulating layer 202, an outer reinforcing layer 203, an outer shielding layer 204, and several conductors from outside to inside; a filler 205 is arranged between the outer shielding layer 204 and the conductor; Inside, an inner insulation layer 206 , an inner reinforcement layer 207 , an inner shielding layer 208 and a metal core 209 are sequentially arranged. The outer reinforcement layer 203 is made of polyvinyl alcohol fiber material or polyethylene terephthalate material, and the inner reinforcement layer 207 is a polytetrafluoroethylene tape, which effectively improves the flexibility, bending resistance and stretching of the cable 2 strength and increase its service life. The filler 205 is composed of a mixture of PP filler, cotton fiber thread and water-blocking powder. On the one hand, the cotton fiber thread can make the cable 2 not easily damaged by external force, and on the other hand, the water-blocking powder prevents moisture from entering the conductor and protects the conductor from being damaged. Both the outer shielding layer 204 and the inner shielding layer 208 can be formed by braiding aluminum-magnesium alloy wires to isolate electromagnetic interference and improve anti-interference performance and data transmission efficiency. The outer insulating layer 202 and the inner insulating layer 206 may be cross-linked polyethylene, flame-retardant polyvinyl chloride or ABS resin. The outer sheath 201 can be made of thermoplastic polyurethane elastic material to further improve the bending resistance of the cable 2 .
如图3所示，本实施例还包括用于防护USB接头1和RS232接头3的接头防护套。接头防护套的一端设置供USB接头1插入的USB插口（其结构与USB插座相同），接头防护套的另一端设置供RS232接头3插入的RS232插口6，RS232插口6的两侧设置供固定螺栓301插入的固定孔7，固定孔7内侧面设置与固定螺栓301配合的螺纹。RS232串口数据线闲置存放时，将RS232接头3插入RS232插口6，将USB接头1插入USB插口，同时将固定螺栓301插入固定孔7起到固定作用，可有效避免USB接头1和RS232接头3受外界环境的侵蚀，提高其使用寿命。USB插口的内侧面、RS232插口6的内侧面、固定孔7的内侧面均涂覆无机改性环氧树脂材料，可有效提高接头保护套的耐摩擦性能，使USB接头1、RS232接头3与接头保护套始终接触紧密，既提高防尘防潮性能，又延长接头防护套的使用寿命。接头防护套与USB接头1、RS232接头3接触的端面均沿周向设置凸出边4，凸出边4的内侧设置密封圈5，进一步提高其防尘防潮性能，延长数据线使用寿命。As shown in FIG. 3 , this embodiment also includes a connector protective cover for protecting the USB connector 1 and the RS232 connector 3 . One end of the connector protective sleeve is provided with a USB socket for the insertion of the USB connector 1 (its structure is the same as the USB socket), and the other end of the connector protective cover is provided with an RS232 socket 6 for the insertion of the RS232 connector 3, and the two sides of the RS232 socket 6 are provided with fixing bolts 301 is inserted into the fixing hole 7, and the inner surface of the fixing hole 7 is provided with threads that cooperate with the fixing bolt 301. When the RS232 serial port data cable is stored idle, insert the RS232 connector 3 into the RS232 socket 6, insert the USB connector 1 into the USB socket, and at the same time insert the fixing bolt 301 into the fixing hole 7 to fix it, which can effectively prevent the USB connector 1 and RS232 connector 3 from being damaged. The erosion of the external environment increases its service life. The inner surface of the USB socket, the inner surface of the RS232 socket 6, and the inner surface of the fixing hole 7 are all coated with inorganic modified epoxy resin materials, which can effectively improve the friction resistance of the connector protective cover, so that the USB connector 1, the RS232 connector 3 and the The joint protective cover is always in close contact, which not only improves the dustproof and moisture-proof performance, but also prolongs the service life of the joint protective cover. The end faces of the connector protective cover in contact with the USB connector 1 and the RS232 connector 3 are all provided with protruding edges 4 along the circumference, and a sealing ring 5 is arranged on the inner side of the protruding edges 4 to further improve its dustproof and moisture-proof performance and prolong the service life of the data line.
以上公开的仅为本发明的优选实施方式，但本发明并非局限于此，任何本领域的技术人员能思之的没有创造性的变化，以及在不脱离本发明原理前提下所作的若干改进和润饰，都应落在本发明的保护范围内。The above disclosure is only a preferred embodiment of the present invention, but the present invention is not limited thereto, any non-creative changes that those skilled in the art can think of, and some improvements and modifications made without departing from the principle of the present invention , should fall within the protection scope of the present invention.
Claims (1)
- A kind of 1. dust and moisture resist bending RS232 serial port data lines, it is characterised in that including：Cable, it is arranged on cable one end USB joint, it is arranged on the RS232 joints with fixing bolt of the cable other end；The cable is disposed with oversheath, external insulation layer, outer enhancement layer, external shielding layer, some conductors from outside to inside；It is described Filler is provided between external shielding layer and conductor；The conductor is disposed with inner insulating layer, interior enhancement layer, interior from outside to inside Screen layer and metal core；Also include：For protecting the protection of welded joints set of USB joint and RS232 joints；One end of the protection of welded joints set, which is set, to be supplied The USB of USB joint insertion, the other end of the protection of welded joints set set the RS232 sockets for the insertion of RS232 joints；The medial surface of the medial surface of the USB and the RS232 sockets is coated with inorganic modified epoxide resin material；The both sides of the RS232 sockets set the fixing hole for fixing bolt insertion, and fixing hole medial surface is set and fixing bolt The screw thread of cooperation；Fixing hole medial surface coating inorganic modified epoxy material；Protection of welded joints covers and USB joint, the circumferentially arranged protrusion side in the end face of RS232 junction contacts, described to protrude the interior of side Side sets sealing ring；Outer enhancement layer is made up of vinal material or pet material；Interior enhancement layer is teflin tape；Filler is made up of PP fillers, cotton fiber line and the powder mixture that blocks water.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610492255.3A CN105976911B (en) | 2016-06-29 | 2016-06-29 | A kind of dust and moisture resist bending RS232 serial port data lines |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2586263Y (en) * | 2002-10-29 | 2003-11-12 | 郑志贤 | Cable Connector Converter |
| CN104051073A (en) * | 2014-05-22 | 2014-09-17 | 江苏亨通线缆科技有限公司 | Shielded data cables for manipulators |
| CN204011898U (en) * | 2014-08-26 | 2014-12-10 | 卢忠辉 | A data cable with a protective cover |
| CN104332246A (en) * | 2014-11-07 | 2015-02-04 | 广安市华蓥山领创电子有限公司 | Shielding-preventive and moisture-proof data cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM472295U (en) * | 2013-05-09 | 2014-02-11 | Chun-Xing Wu | Anti-interference cable |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2586263Y (en) * | 2002-10-29 | 2003-11-12 | 郑志贤 | Cable Connector Converter |
| CN104051073A (en) * | 2014-05-22 | 2014-09-17 | 江苏亨通线缆科技有限公司 | Shielded data cables for manipulators |
| CN204011898U (en) * | 2014-08-26 | 2014-12-10 | 卢忠辉 | A data cable with a protective cover |
| CN104332246A (en) * | 2014-11-07 | 2015-02-04 | 广安市华蓥山领创电子有限公司 | Shielding-preventive and moisture-proof data cable |
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