CN203100777U - Cable working condition inductor - Google Patents
Cable working condition inductor Download PDFInfo
- Publication number
- CN203100777U CN203100777U CN 201320004950 CN201320004950U CN203100777U CN 203100777 U CN203100777 U CN 203100777U CN 201320004950 CN201320004950 CN 201320004950 CN 201320004950 U CN201320004950 U CN 201320004950U CN 203100777 U CN203100777 U CN 203100777U
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- CN
- China
- Prior art keywords
- cable
- shell
- working condition
- housing
- bandage
- 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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- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
Disclosed in the utility model is a cable working condition inductor, which belongs to the technical field of the cable testing. And the cable working condition inductor is used to solve a problem that integrated monitoring on the operation condition of the cable in the power distribution network can not be realized. The cable working condition inductor is characterized in that an induction coil is connected with a permalloy magnetic core by an induction coil skeleton; the permalloy magnetic core and an electric field induction sheet metal are connected with a support seat inside a housing by a high pressure-resistant heat shrink tube; an upper cover and a signal output sheath cable are installed at the upper portion of the housing; and an integrated digital temperature sensor and a heat conduction silica gel sheet are installed at the lower portion of the housing. One end of a band is connected with the housing by a right band hole; and the other end of the band is connected with the housing through a left band hole by a fastening nylon screw. According to the utility model, the provided cable working condition inductor can be widely applied to on-line monitoring of an operation working condition of in-out cables in distribution network equipment like a ring main unit, a switching station, and a cable branch box and the like.
Description
Technical field
The utility model relates to the on-line monitoring of the turnover cable operation working condition in the distribution net equipments such as a kind of ring main unit, switching station, distribution box, particularly a kind of cable operating mode inductor.
Background technology
In power distribution network, be the important step of power distribution network safe operation to the monitoring of cable operating condition, existing cable fault indicator and temp probe all are independent device, can not carry out on-line monitoring synthetically to the cable operating condition.
Summary of the invention
The utility model has overcome the deficiencies in the prior art, and a kind of cable operating mode inductor that can carry out online comprehensive monitoring to the cable operating condition is provided.
In order to solve the problem of above-mentioned technology, the utility model is achieved through the following technical solutions: cable operating mode inductor comprises: inductive coil is connected with the permalloy magnetic core by the inductive coil skeleton, the permalloy magnetic core is connected by the interior bearing of high pressure resistant heat-shrink tube and shell with the electric field induction sheet metal, shell upper is equipped with loam cake and signal output jacketed cable, outer casing underpart is equipped with integrated digital temperature sensor and heat conduction silica gel sheet, one end of bandage is connected with shell by right bandage hole, and the other end of bandage is connected with shell with fastening nylon screw by left bandage hole.
The utility model also can be achieved through the following technical solutions: above-described shell is injection mo(u)lding.
The utility model can also be achieved through the following technical solutions: above-described bandage is made with High-Voltage Insulation fat material.
Compared with prior art, the beneficial effects of the utility model are: can be according to surface temperature, the working current in when work, change in information such as earth electric field are made assessment and early warning to the distribution line performance, and then ensure the safe operation of power distribution network equipment.
Description of drawings
Fig. 1 is the cross-sectional view behind the utility model cancellation bandage.
Fig. 2 is an outer surface structure schematic perspective view of the present utility model.
In the accompanying drawings: 1-permalloy magnetic core, 2-inductive coil skeleton, 3-inductive coil, 4-electric field induction sheet metal, the high pressure resistant heat-shrink tube of 5-, 6-loam cake, 7-integrated digital temperature sensor, 8-heat conduction silica gel sheet, 9-shell, the fastening nylon screw of 10-, bandage hole, a 11-left side, 12-bandage, the right bandage of 13-hole, 14-signal output jacketed cable.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
Cable operating mode inductor comprises: inductive coil 3 is connected with permalloy magnetic core 1 by inductive coil skeleton 2, permalloy magnetic core 1 and electric field induction sheet metal 4 are connected with bearing in the shell 9 by high pressure resistant heat-shrink tube 5, loam cake 6 and signal output jacketed cable 14 are equipped with in shell 9 tops, integrated digital temperature sensor 7 and heat conduction silica gel sheet 8 are equipped with in shell 9 bottoms, one end of bandage 12 is connected with shell 9 by right bandage hole 13, and the other end of bandage 12 is connected with shell 9 with fastening nylon screw 10 by left bandage hole 13.
The induction by current sensor of cable operating mode inductor, it is the center pit that cylindrical permalloy magnetic core 1 is passed inductive coil skeleton 2, the two ends of permalloy magnetic core 1 being exposed skeleton are installed on the bearing of shell 9 inside, and wherein two cores of the head and the tail of inductive coil 3 lead-in wire and signal output jacketed cable 14 6 heart yearns weld together respectively.
The sheet metal of electric field induction over the ground 4 of cable operating mode inductor, it is an end that an annular copper sheet that has lead-in wire is enclosed within permalloy magnetic core 1, be installed in together on the bearing in the shell 9 with permalloy magnetic core 1, the lead-in wire of annular copper sheet welds together with the wherein core that signal is exported jacketed cable 14 6 heart yearns.
The integrated digital temperature sensor 7 of cable operating mode inductor, be that induction position with the numeric type temperature sensor element is installed in the thermometer hole of shell 9 bottoms, wherein three cores of the signal pins of numeric type temperature sensor element and signal output jacketed cable 14 6 cores are welded together respectively.
The shell 9 of cable operating mode inductor, be square casing and the loam cake 6 that is injection molded into by the ABS material, housing bottom has two bearings and thermometer hole, the bonding insulating heat-conductive silica gel sheet in thermometer hole bottom, shell body one sidewall leaves transmission line hole, the outer two bearing center lines of housing 9 both sides in the same way are left bandage hole 11, right bandage hole 13, and the fastening nylon screw of being made by poly-tetrafluoro 10 that is used for fixing bandage 12 is housed on the left bandage hole 11.
The signal output jacketed cable 14 of cable operating mode inductor, be that external jacket is six core RVV of silastic material, induction by current mutual inductor in one end and the shell 9, earth electric field metal sensing chip, integrated digital temperature sensor 7 are welded together, the other end outputs to the measurement side.
The bandage 12 of cable operating mode inductor, be that the left bandage hole 11 at shell two ends, right bandage hole 13 are passed in the thickening of one end with high insulation fat material, tension wraps signal output jacketed cable 14 and shell 9, one ends are fixing with the fastening nylon screw on the shell 9 10.
The inductive coil 3 of cable operating mode inductor, it is the nylon inductive coil skeleton 2 of selecting long 48mm for use, commercially available Φ 0.091mm enameled wire coiling 20000 circles are made, induction by current coil 3 is enclosed within the Φ 5mm of specifications and models 1J85, on the cylindric permalloy magnetic core 1 of length 60mm, permalloy magnetic core 1 one ends put the aperture be the copper ring of the thick 1mm of 5mm as electric field induction sheet metal 4, the external high pressure resistant heat-shrink tube 5 that puts specification Φ 12 of combinations thereof, be installed in then in the groove of bearing; Shell 9 can be wall thickness 5mm, interior minister 8mm by the accompanying drawing once injection moulding, rectangular box of the upper shed of wide 5mm outer 9 and loam cake 6; Integrated digital temperature sensor 7 is selected commercially available Dallas18B20 type element for use, and temperature-sensitive faces down and puts into temperature sensing hole, and temperature sensing hole bottom sticks with glue and connects the thick heat conduction silica gel of commercially available 2.5mm sheet 8 and be used for heat conductive insulating; The lead-in wire of induction by current coil 3, electric field induction sheet metal 4, integrated digital temperature sensor 7 is drawn with silicone rubber jacket signal output transmission cable 14 welding of commercially available Φ 0.2 * 6; In shell 9,, solidified loam cake 6 on the bonnet in 24 hours with the perfusion of commercially available KSD801 epoxy resin embedding adhesive; With commercially available wide 10mm, long 15mm, the high electrically insulating silicone rubber band of thickness 3mm select an end to reserve 2mm and do not process, remaining cut Cheng Du is 13mm, the bandage 12 of thickness 1mm passes right bandage hole 13, and is fixing at the nylon trip bolt 10 of the commercially available Φ 5 of left bandage hole 11 usefulness.
The utility model has been realized high-insulation with the monitoring cable by ABS injection casing and silicone rubber jacket line; The induction by current sensor, earth electric field metal sensing chip and integrated digital temperature sensor signal are combined, online comprehensive monitoring and early warning have been realized to power distribution network cable operating condition.
Claims (3)
1. cable operating mode inductor, it is characterized in that: inductive coil (3) is connected with permalloy magnetic core (1) by inductive coil skeleton (2), permalloy magnetic core (1) is connected by the interior bearing of high pressure resistant heat-shrink tube (5) and shell (9) with electric field induction sheet metal (4), loam cake (6) and signal output jacketed cable (14) are equipped with in shell (9) top, integrated digital temperature sensor (7) and heat conduction silica gel sheet (8) are equipped with in shell (9) bottom, one end of bandage (12) is connected with shell (9) by right bandage hole (13), and the other end of bandage (12) is connected with shell (9) with fastening nylon screw (10) by left bandage hole (11).
2. cable operating mode inductor as claimed in claim 1 is characterized in that: described shell (9) is injection mo(u)lding.
3. cable operating mode inductor as claimed in claim 1 or 2 is characterized in that: described bandage (12) is made with High-Voltage Insulation fat material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320004950 CN203100777U (en) | 2013-01-06 | 2013-01-06 | Cable working condition inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320004950 CN203100777U (en) | 2013-01-06 | 2013-01-06 | Cable working condition inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203100777U true CN203100777U (en) | 2013-07-31 |
Family
ID=48852171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320004950 Expired - Fee Related CN203100777U (en) | 2013-01-06 | 2013-01-06 | Cable working condition inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203100777U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108474695A (en) * | 2015-12-21 | 2018-08-31 | 3M创新有限公司 | The real time temperature of electric conductor measures |
-
2013
- 2013-01-06 CN CN 201320004950 patent/CN203100777U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108474695A (en) * | 2015-12-21 | 2018-08-31 | 3M创新有限公司 | The real time temperature of electric conductor measures |
| US11067455B2 (en) | 2015-12-21 | 2021-07-20 | 3M Innovative Properties Company | Real-time temperature measurement for electrical conductors |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Li Shunan Document name: Notification of Approving Refund |
|
| 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: 20130731 Termination date: 20180106 |