CN110707656B - Cable joint sleeve pipe of colding pressing with temperature sensing function - Google Patents
Cable joint sleeve pipe of colding pressing with temperature sensing function Download PDFInfo
- Publication number
- CN110707656B CN110707656B CN201911125064.3A CN201911125064A CN110707656B CN 110707656 B CN110707656 B CN 110707656B CN 201911125064 A CN201911125064 A CN 201911125064A CN 110707656 B CN110707656 B CN 110707656B
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- CN
- China
- Prior art keywords
- antenna
- metal sleeve
- sleeve
- connecting sheet
- cable joint
- 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.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
- G01K1/143—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations for measuring surface temperatures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/22—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using measurement of acoustic effects
- G01K11/26—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using measurement of acoustic effects of resonant frequencies
- G01K11/265—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using measurement of acoustic effects of resonant frequencies using surface acoustic wave [SAW]
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Support Of Aerials (AREA)
Abstract
The invention discloses a cable joint cold-pressing sleeve with a temperature sensing function, which comprises: the antenna comprises a metal sleeve, an elastic filling body, an antenna radiator and an antenna connecting sheet temperature sensitive element, wherein the metal sleeve is mechanically and electrically connected with the antenna radiator, the antenna connecting sheet and the temperature sensitive element are mechanically and electrically connected, and the elastic filling body is clamped between the antenna radiator and the metal sleeve. The cable joint cold-pressed sleeve with the temperature sensing function can realize accurate monitoring of the temperature of the cable joint core, is compatible with the original joint processing technology, has good equipotential performance, is not easy to discharge, and has good electrical safety.
Description
Technical Field
The invention relates to the field of wireless sensing and power monitoring, in particular to a cable joint cold-pressed sleeve with a temperature sensing function.
Background
Influenced by the material performance of the cable intermediate joint, the manufacturing process, the contact resistance, the cold and hot shrinkage, the operation environment and other factors, the cable intermediate joint is easy to cause cable detonation due to overhigh temperature, and great threat is brought to the safe and stable operation of a power grid. The faults go through a gradual process from quantitative change to qualitative change, and the operation condition and the fault trend of the cable can be known and mastered by continuously monitoring the temperature change of the cable middle joint, particularly the cable core.
The prior art has had the wireless temperature sensor that can be directed against the cable core, but its reading mode needs on the one hand to read the antenna at insulation support internally mounted, the radio frequency feeder that should read the antenna is worn out to the cable outside through insulation support, damaged insulation support and shielding layer to highly compressed shielding, on the other hand, its sensor needs additionally to increase a bulky metal casing outside cold pressing the sleeve, in actual installation, this metal casing can't guarantee with original cold pressing the sheathed tube good contact, can't keep high-pressure equipotential, very easily take place to discharge, have very big potential safety hazard. Meanwhile, the method adds actual installation steps and equipment, and is not beneficial to large-scale popularization of cable intermediate joint monitoring.
Disclosure of Invention
Aiming at the problem of temperature sensing of a cable joint in the prior art, the invention aims to provide a cable joint cold-pressed sleeve with a temperature sensing function for the cable joint.
The utility model provides a cable joint sleeve pipe of colding pressing with temperature sensing function, includes: the antenna comprises a metal sleeve, an elastic filling body, an antenna radiator and an antenna connecting sheet temperature sensitive element, wherein the metal sleeve is mechanically and electrically connected with the antenna radiator, the antenna connecting sheet and the temperature sensitive element are mechanically and electrically connected, and the elastic filling body is clamped between the antenna radiator and the metal sleeve.
Preferably, the cold-pressed sleeve of the cable joint with the temperature sensing function is made of the same material as the metal sleeve, the antenna radiator and the antenna connecting sheet.
Preferably, the cable joint cold-pressed sleeve with the temperature sensing function has an antenna radiator in the shape of a three-quarter torus.
Preferably, the cable joint cold pressing sleeve with the temperature sensing function has the advantages that the diameter of the antenna radiating body is larger than that of the metal sleeve, and the axial length of the antenna radiating body is not more than one fifth of the axial length of the metal sleeve.
Preferably, the cable joint cold-pressing sleeve with the temperature sensing function has the advantages that the height of the antenna connecting sheet is equal to the difference value of the radiuses of the antenna radiating body and the metal sleeve, and the axial length of the antenna connecting sheet is equal to the axial length of the antenna radiating body.
Preferably, the thickness of the elastic filling body is equal to or greater than the difference between the radiuses of the antenna radiator and the metal sleeve, and the axial length of the elastic filling body is equal to or greater than the axial length of the antenna radiator.
Preferably, the cable joint cold-pressed sleeve with the temperature sensing function, and the temperature sensitive element is a surface acoustic wave device.
The cable joint cold-pressed sleeve with the temperature sensing function can realize accurate monitoring of the temperature of the cable joint core, is compatible with the original joint processing technology, has good equipotential performance, is not easy to discharge, and has good electrical safety.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic radial structure diagram of a cable joint cold-pressed sleeve with a temperature sensing function provided by the invention;
FIG. 2 is an axial structural schematic diagram of a cable joint cold-pressed sleeve with a temperature sensing function provided by the invention;
in the figure:
1-a metal sleeve;
2-an elastomeric filling body;
3-an antenna radiator;
4-an antenna connection sheet;
5-temperature sensitive element.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
The utility model provides a cable joint sleeve pipe of colding pressing with temperature sensing function, includes: the antenna comprises a metal sleeve 1, an elastic filling body 2, an antenna radiator 3 and an antenna connecting sheet 4 temperature sensitive element 5, wherein the metal sleeve 1 is mechanically and electrically connected with the antenna radiator 3, the antenna connecting sheet 4 and the temperature sensitive element 5 are mechanically and electrically connected, and the elastic filling body 2 is clamped between the antenna radiator 3 and the metal sleeve 1
The cable joint cold-pressing sleeve with the temperature sensing function is characterized in that the metal sleeve 1, the antenna radiator 3 and the antenna connecting sheet 4 are made of the same material.
The cable joint cold-pressing sleeve with the temperature sensing function has the advantages that the antenna radiating body 3 is three-quarters of a ring body.
The cable joint with temperature sensing function sleeve pipe of colding pressing, the diameter of antenna irradiator 3 is greater than the diameter of metal sleeve 4, the axial length of antenna irradiator 3 is no longer than 4 axial length of metal sleeve one fifth.
The cable joint with temperature sensing function sleeve pipe of colding pressing, antenna connection piece 4 highly equals the difference of antenna radiator 3 and metal sleeve 1 radius, antenna connection piece 4's axial length equals the axial length of antenna radiator 3.
The cable joint cold-pressing sleeve with the temperature sensing function has the advantages that the thickness of the elastic filling body 2 is equal to or larger than the difference value of the radiuses of the antenna radiating body 3 and the metal sleeve 1, and the axial length of the elastic filling body 2 is equal to or larger than that of the antenna radiating body 3.
The cable joint cold-pressed sleeve with the temperature sensing function is characterized in that the temperature sensing element 5 is a surface acoustic wave device.
The specific implementation steps in this example are as follows:
1) obtaining a metal sleeve 1, an antenna radiator 3 and an antenna connecting sheet 4 by a machining method;
2) aligning the antenna connecting sheet 4 with one end of the metal sleeve 1 in the axial direction, and electrically welding the antenna connecting sheet and the metal sleeve together;
3) aligning one end of the elastic filler 2 with the antenna connecting sheet 4, and adhering the elastic filler on the metal sleeve along the circumferential direction;
4) aligning one end of the antenna radiator 3 and one end of the antenna connecting sheet 4 in the axial direction, and electrically welding the antenna radiator 3 and the antenna connecting sheet together;
5) the temperature sensitive element 5 is tightly attached to the elastic filler 2, and the temperature sensitive element 5 and the antenna connecting sheet 4 are welded together;
6) the antenna is installed and used in a cold pressing mode according to a standard crimping process, the two ends of the metal sleeve 1 are deformed due to the cold pressing, the elastic filling body 2 automatically compensates for the deformation, the antenna radiating body 3 and the metal sleeve 1 are always kept at a certain distance, and therefore all parameters of the antenna are guaranteed not to be changed.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (7)
1. The utility model provides a cable joint sleeve pipe of colding pressing with temperature sensing function which characterized in that: the method comprises the following steps: the temperature-sensitive antenna comprises a metal sleeve (1), an elastic filling body (2), an antenna radiating body (3), an antenna connecting sheet (4) and a temperature-sensitive element (5), wherein the metal sleeve (1) and the antenna radiating body (3) are mechanically and electrically connected, the antenna radiating body (3), the antenna connecting sheet (4) and the temperature-sensitive element (5) are mechanically and electrically connected, and the elastic filling body (2) is clamped between the antenna radiating body (3) and the metal sleeve (1).
2. The cable joint cold-pressed sleeve with the temperature sensing function as claimed in claim 1, wherein: the metal sleeve (1), the antenna radiator (3) and the antenna connecting sheet (4) are made of the same material.
3. The cable joint cold-pressed sleeve with the temperature sensing function as claimed in claim 1, wherein: the shape of the antenna radiator (3) is a three-quarter torus.
4. The cable joint cold-pressed sleeve with the temperature sensing function as claimed in claim 1, wherein: the diameter of the antenna radiator (3) is larger than that of the metal sleeve (4), and the axial length of the antenna radiator (3) is not more than one fifth of the axial length of the metal sleeve (4).
5. The cable joint cold-pressed sleeve with the temperature sensing function as claimed in claim 1, wherein: the thickness of the elastic filling body (2) is equal to or larger than the difference value of the radiuses of the antenna radiating body (3) and the metal sleeve (1), and the axial length of the elastic filling body (2) is equal to or larger than the axial length of the antenna radiating body (3).
6. The cable joint cold-pressed sleeve with the temperature sensing function as claimed in claim 1, wherein: the temperature sensitive element (5) is a surface acoustic wave device.
7. The cable joint cold-pressed sleeve with the temperature sensing function as claimed in claim 1, wherein: the preparation method comprises the following steps:
1) obtaining a metal sleeve (1), an antenna radiator (3) and an antenna connecting sheet (4) by a machining method;
2) axially aligning the antenna connecting sheet (4) and one end of the metal sleeve (1), and electrically welding the antenna connecting sheet and the metal sleeve together;
3) aligning one end of the elastic filler (2) with the antenna connecting sheet (4), and adhering the elastic filler to the metal sleeve along the circumferential direction;
4) axially aligning one end of the antenna radiator (3) and one end of the antenna connecting sheet (4), and electrically welding the antenna radiator and the antenna connecting sheet together;
5) tightly attaching the temperature sensitive element (5) to the elastic filling body (2), and welding the temperature sensitive element (5) and the antenna connecting sheet (4) together;
6) the antenna is cold-pressed during installation and use, the two ends of the metal sleeve (1) are deformed due to cold pressing, the elastic filling body (2) automatically compensates for the deformation, and the antenna radiating body (3) and the metal sleeve (1) are always kept at a certain distance, so that all parameters of the antenna are guaranteed not to be changed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911125064.3A CN110707656B (en) | 2019-11-18 | 2019-11-18 | Cable joint sleeve pipe of colding pressing with temperature sensing function |
| CN202011235927.5A CN112217175A (en) | 2019-11-18 | 2019-11-18 | Preparation method of cable joint cold-pressed sleeve with temperature sensing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911125064.3A CN110707656B (en) | 2019-11-18 | 2019-11-18 | Cable joint sleeve pipe of colding pressing with temperature sensing function |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011235927.5A Division CN112217175A (en) | 2019-11-18 | 2019-11-18 | Preparation method of cable joint cold-pressed sleeve with temperature sensing function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110707656A CN110707656A (en) | 2020-01-17 |
| CN110707656B true CN110707656B (en) | 2020-12-15 |
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ID=69206391
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911125064.3A Active CN110707656B (en) | 2019-11-18 | 2019-11-18 | Cable joint sleeve pipe of colding pressing with temperature sensing function |
| CN202011235927.5A Pending CN112217175A (en) | 2019-11-18 | 2019-11-18 | Preparation method of cable joint cold-pressed sleeve with temperature sensing function |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011235927.5A Pending CN112217175A (en) | 2019-11-18 | 2019-11-18 | Preparation method of cable joint cold-pressed sleeve with temperature sensing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN110707656B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111351022B (en) * | 2020-03-16 | 2020-11-06 | 四川华川基业建设集团有限公司 | Temperature measuring structure for boiler barrel |
| CN113945291B (en) * | 2021-09-08 | 2024-06-04 | 华能吉林发电有限公司长春热电厂 | Online monitoring device for temperature of cable bridge cable tunnel intermediate joint |
Citations (5)
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| JP2880936B2 (en) * | 1995-10-05 | 1999-04-12 | 埼玉日本電気株式会社 | Helical antenna device |
| CN201601208U (en) * | 2010-02-12 | 2010-10-06 | 汕头市金桥电缆有限公司 | Feeder line of wireless communication antenna |
| CN204650570U (en) * | 2015-05-22 | 2015-09-16 | 武汉滕格科技有限公司 | Flexible electronic label |
| CN106067597A (en) * | 2016-05-25 | 2016-11-02 | 东华大学 | A kind of flexible extensible sensing antenna and preparation method thereof |
| CN107706534A (en) * | 2017-11-16 | 2018-02-16 | 上海龙华汽车配件有限公司 | A kind of Conformal Microstrip Antennas |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2127522Y (en) * | 1992-03-20 | 1993-02-24 | 崔建中 | Lead cold crimping sleeve |
| DE10017572B4 (en) * | 2000-04-10 | 2008-04-17 | INSTITUT FüR MIKROTECHNIK MAINZ GMBH | Rolling bearings with remote sensing units |
| CN104374490A (en) * | 2014-11-17 | 2015-02-25 | 王东方 | Passive wireless temperature monitoring lantern ring for metal bearing |
| CN204651498U (en) * | 2015-05-20 | 2015-09-16 | 天津市源泉机电设备制造有限公司 | Submersible motor winding and power cable outgoing line connection structure |
| CN206648754U (en) * | 2016-09-20 | 2017-11-17 | 南京科睿博电气科技有限公司 | A kind of HV cable accessories for including passive wireless temperature sensor |
| CN206697660U (en) * | 2017-04-07 | 2017-12-01 | 江苏广宇网络器材有限公司 | A kind of common cable connector |
| CN208939550U (en) * | 2018-10-09 | 2019-06-04 | 福建泉源电气设备有限公司 | A kind of transition joint of built-in Stress Control |
| CN109141680A (en) * | 2018-10-31 | 2019-01-04 | 劭行（苏州）智能科技有限公司 | Ring network cabinet temperature of cable junction sensor-based system |
| CN209605976U (en) * | 2019-01-24 | 2019-11-08 | 上海置信电气股份有限公司 | A kind of Medium Voltage Switchgear cable connection terminal temperature monitoring device |
-
2019
- 2019-11-18 CN CN201911125064.3A patent/CN110707656B/en active Active
- 2019-11-18 CN CN202011235927.5A patent/CN112217175A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2880936B2 (en) * | 1995-10-05 | 1999-04-12 | 埼玉日本電気株式会社 | Helical antenna device |
| CN201601208U (en) * | 2010-02-12 | 2010-10-06 | 汕头市金桥电缆有限公司 | Feeder line of wireless communication antenna |
| CN204650570U (en) * | 2015-05-22 | 2015-09-16 | 武汉滕格科技有限公司 | Flexible electronic label |
| CN106067597A (en) * | 2016-05-25 | 2016-11-02 | 东华大学 | A kind of flexible extensible sensing antenna and preparation method thereof |
| CN107706534A (en) * | 2017-11-16 | 2018-02-16 | 上海龙华汽车配件有限公司 | A kind of Conformal Microstrip Antennas |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110707656A (en) | 2020-01-17 |
| CN112217175A (en) | 2021-01-12 |
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