CN213874719U - 10kV line cable middle head monitoring device - Google Patents
10kV line cable middle head monitoring device Download PDFInfo
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- CN213874719U CN213874719U CN202022516984.2U CN202022516984U CN213874719U CN 213874719 U CN213874719 U CN 213874719U CN 202022516984 U CN202022516984 U CN 202022516984U CN 213874719 U CN213874719 U CN 213874719U
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Abstract
The utility model relates to an electric power system technical field, first monitoring devices in middle of in particular to 10kV line cable, two temperature probes of three-phase weaving copper mesh surface relative device in the middle of the same cable, six temperature probes of first in the middle of the same cable pass through the temperature measurement branch line and connect in the temperature measurement collector, the temperature measurement collector of first in the middle of a plurality of cables passes through temperature measurement bus connection in temperature monitor, interface is connected with photoelectric converter electricity respectively on the temperature monitor, interface passes through optical cable connection in data server on the data, data server connects in the control backstage, still be connected with supplementary judgement device between control backstage and the data server. Compared with the prior art, the utility model discloses a head monitoring devices in the middle of 10kV line cable is convenient for carry out the control by temperature change to the cable middle head of having built the circular telegram and arranges, reforms transform easily and realizes, does benefit to the saving cost, and the auxiliary judgement device reducible erroneous judgement condition.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an electric power system technical field, first monitoring devices in middle of in particular to 10kV circuit cable.
[ background of the invention ]
The phenomenon that some high-voltage connectors and some contacts in an electric circuit are excessively high in temperature during normal work often occurs in an electric system, so that the aging of equipment is accelerated, meanwhile, faults are caused due to the fact that some cable connectors fail due to long-time high temperature, cables are likely to be damaged, meanwhile, large-area power failure can be caused greatly, and even fire accidents are caused. However, under the current technical conditions, we cannot avoid the problem of heating of the cable joint. The existing built-in temperature measurement of cables in the market has too great reconstruction difficulty and too high cost for the built-in electrified cables.
[ Utility model ] content
In order to overcome the problem, the utility model provides a first monitoring devices in the middle of 10kV circuit cable that can effectively solve above-mentioned problem.
The utility model provides a technical scheme who above-mentioned technical problem provided is: the monitoring device for the middle heads of the 10kV line cables is arranged on one or more middle heads of the cables and comprises a plurality of temperature measuring probes, two temperature measuring probes are oppositely arranged on the surfaces of three-phase woven copper meshes in the middle head of the same cable, and six temperature measuring probes are arranged on each middle head of the cable; the six temperature measuring probes of the middle head of the same cable are connected with the temperature measuring collector through the temperature measuring branch lines, and the temperature measuring collector collects the detected temperature data of the six temperature measuring probes in the middle head of the same cable; the temperature measurement collector of the intermediate heads of the cables is connected to the temperature monitor through a temperature measurement bus, the temperature monitor is provided with a display interface, a data uploading interface and a photoelectric converter, the display interface and the data uploading interface are respectively and electrically connected with the photoelectric converter, the display interface is externally connected with display equipment, the data uploading interface is connected to a data server through an optical cable, and the data server is connected to a monitoring background; an auxiliary judgment device is further connected between the monitoring background and the data server and comprises a current transformer and a voltage transformer, the current transformer is connected in series on a cable middle head line and used for measuring current, and the voltage transformer is connected in parallel on the cable middle head line and used for measuring voltage.
Preferably, the auxiliary judgment device further comprises a comparison module and a database, the current transformer, the voltage transformer and the database are respectively connected to the comparison module, and the comparison module is used for calling data to perform comparison analysis.
Preferably, the database comprises a normal temperature data plot of the cable middle head under different currents and voltages when the line works normally.
Compared with the prior art, the 10kV line cable middle head monitoring device of the utility model has the advantages that the temperature measuring probes are arranged on the surfaces of the three-phase woven copper mesh in the cable middle head, so that the temperature control arrangement of the cable middle head which is electrified is convenient, the reconstruction is easy to realize, and the cost is saved; the auxiliary judgment device compares the line voltage and the line current which are measured in real time at different temperatures with data in a database, and carries out auxiliary judgment on the temperature of the middle head of the current line cable, so that the situation of erroneous judgment caused by overhigh temperature of the middle head of the cable due to external factors such as environment and the like is reduced.
[ description of the drawings ]
Fig. 1 is a schematic structural view of the 10kV line cable middle head monitoring device of the present invention;
fig. 2 is the utility model discloses first monitoring devices's supplementary device schematic structure of judging in the middle of 10kV circuit cable.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It should be noted that all directional indications (such as up, down, left, right, front, and back … …) in the embodiments of the present invention are limited to relative positions on a given view, not absolute positions.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Referring to fig. 1 and 2, the monitoring device for the middle head of a 10kV line cable of the present invention can be disposed on the middle head of one or more cables, and comprises a plurality of temperature probes, two temperature probes disposed on the three-phase woven copper mesh surface of the middle head of the same cable, and six temperature probes disposed on the middle head of each cable. Six temperature probes of the middle head of the same cable are connected with a temperature measurement collector through temperature measurement branch lines, and the temperature measurement collector collects the detection temperature data of the six temperature probes of the middle head of the same cable. The temperature measurement collector of head passes through the temperature measurement bus connection in temperature monitor in the middle of a plurality of cables, is provided with display interface, data upload interface, photoelectric converter on the temperature monitor, and display interface, data upload interface are connected with photoelectric converter electricity respectively, and the external display device of display interface, data upload interface pass through the optical cable and connect in data server, and data server connects in the control backstage. The photoelectric converter converts data, transmits the converted data to the display equipment for display and transmits the converted data to the monitoring background for remote monitoring. The temperature measurement collector is externally provided with a waterproof box, so that the protection of the temperature measurement collector is facilitated.
Still be connected with supplementary judgement device between control backstage and the data server, supplementary judgement device includes current transformer, voltage transformer, current transformer connects in series on the cable middle head circuit for measure current, voltage transformer connects in parallel on the cable middle head circuit for measure voltage. The auxiliary judgment device further comprises a comparison module and a database, the current transformer, the voltage transformer and the database are respectively connected to the comparison module, and the comparison module is used for calling data to perform comparison analysis. And the database comprises normal temperature data of the cable middle head under different currents and voltages when the line works normally, and the data of the database is subjected to drawing and sorting. The auxiliary judgment device compares the line voltage and the line current measured at different temperatures with data in a database, and carries out auxiliary judgment on the temperature of the middle head of the current line cable, so that the situation of erroneous judgment caused by overhigh temperature of the middle head of the cable due to external factors such as environment and the like is reduced.
Compared with the prior art, the 10kV line cable middle head monitoring device of the utility model has the advantages that the temperature measuring probes are arranged on the surfaces of the three-phase woven copper mesh in the cable middle head, so that the temperature control arrangement of the cable middle head which is electrified is convenient, the reconstruction is easy to realize, and the cost is saved; the auxiliary judgment device compares the line voltage and the line current which are measured in real time at different temperatures with data in a database, and carries out auxiliary judgment on the temperature of the middle head of the current line cable, so that the situation of erroneous judgment caused by overhigh temperature of the middle head of the cable due to external factors such as environment and the like is reduced.
The above description is only for the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications made within the spirit of the present invention, equivalent replacements and improvements should be included in the scope of the present invention.
Claims (3)
- The monitoring device for the middle heads of the cables of the 1.10kV line is arranged at one or more middle heads of the cables and is characterized by comprising a plurality of temperature measuring probes, wherein two temperature measuring probes are oppositely arranged on the surfaces of three-phase woven copper meshes in the middle head of the same cable, and six temperature measuring probes are arranged on each middle head of the cable; the six temperature measuring probes of the middle head of the same cable are connected with the temperature measuring collector through the temperature measuring branch lines, and the temperature measuring collector collects the detected temperature data of the six temperature measuring probes in the middle head of the same cable; the temperature measurement collector of the intermediate heads of the cables is connected to the temperature monitor through a temperature measurement bus, the temperature monitor is provided with a display interface, a data uploading interface and a photoelectric converter, the display interface and the data uploading interface are respectively and electrically connected with the photoelectric converter, the display interface is externally connected with display equipment, the data uploading interface is connected to a data server through an optical cable, and the data server is connected to a monitoring background; an auxiliary judgment device is further connected between the monitoring background and the data server and comprises a current transformer and a voltage transformer, the current transformer is connected in series on a cable middle head line and used for measuring current, and the voltage transformer is connected in parallel on the cable middle head line and used for measuring voltage.
- 2. The 10kV line cable middle head monitoring device according to claim 1, wherein the auxiliary judgment device further comprises a comparison module and a database, the current transformer, the voltage transformer and the database are respectively connected to the comparison module, and the comparison module is used for calling data to perform comparison analysis.
- 3. The 10kV line cable intermediate head monitoring device of claim 2, wherein the database comprises a plot of normal temperature data of the cable intermediate head at different currents and voltages during normal operation of the line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022516984.2U CN213874719U (en) | 2020-11-03 | 2020-11-03 | 10kV line cable middle head monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022516984.2U CN213874719U (en) | 2020-11-03 | 2020-11-03 | 10kV line cable middle head monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213874719U true CN213874719U (en) | 2021-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202022516984.2U Active CN213874719U (en) | 2020-11-03 | 2020-11-03 | 10kV line cable middle head monitoring device |
Country Status (1)
| Country | Link |
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| CN (1) | CN213874719U (en) |
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2020
- 2020-11-03 CN CN202022516984.2U patent/CN213874719U/en active Active
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Address after: 518000 14 / F, building 13, qinchengda paradise, District 22, lingzhiyuan community, Xin'an street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen grid Smart Energy Co.,Ltd. Address before: 518000 14 / F, building 13, qinchengda paradise, District 22, lingzhiyuan community, Xin'an street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: Shenzhen lattice Electric Power Design Institute Co.,Ltd. |