CN213902444U - Integrated sensor for online monitoring of temperature of elbow-shaped head of ring main unit - Google Patents

Integrated sensor for online monitoring of temperature of elbow-shaped head of ring main unit Download PDF

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Publication number
CN213902444U
CN213902444U CN202022145126.1U CN202022145126U CN213902444U CN 213902444 U CN213902444 U CN 213902444U CN 202022145126 U CN202022145126 U CN 202022145126U CN 213902444 U CN213902444 U CN 213902444U
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CN
China
Prior art keywords
collector
temperature
elbow
main body
sensor main
Prior art date
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Expired - Fee Related
Application number
CN202022145126.1U
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Chinese (zh)
Inventor
李军
姚志强
王忠斌
卢伟华
赵海清
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiamusi Power Supply Co Of State Grid Heilongjiang Electric Power Co ltd
State Grid Corp of China SGCC
Original Assignee
Jiamusi Power Supply Co Of State Grid Heilongjiang Electric Power Co ltd
State Grid Corp of China SGCC
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Application filed by Jiamusi Power Supply Co Of State Grid Heilongjiang Electric Power Co ltd, State Grid Corp of China SGCC filed Critical Jiamusi Power Supply Co Of State Grid Heilongjiang Electric Power Co ltd
Priority to CN202022145126.1U priority Critical patent/CN213902444U/en
Application granted granted Critical
Publication of CN213902444U publication Critical patent/CN213902444U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A integral type sensor for looped netowrk cabinet elbow type head temperature on-line monitoring belongs to electric power system technical field, the utility model discloses a solve prior art and lack the consideration to ambient temperature and material conduction parameter influence to the inside temperature monitoring mode of elbow type head, lead to the unsatisfactory problem of long-term monitoring process effect. The sensor comprises a sensor main body, an environment temperature collector, an environment humidity collector and a surface temperature collector, which are integrally formed by adopting a soft material; the environment temperature collector and the environment humidity collector are respectively arranged at two ends of the sensor main body, the surface temperature collector is arranged below the sensor main body, and the positioning hole is formed above the sensor main body; the sensor main body is fixedly installed with the elbow-shaped head positioning column through the positioning hole, the environment temperature collector and the environment humidity collector are buckled on the side wall of the elbow-shaped head respectively after the sensor main body is bent, and the surface temperature collector is attached to the surface of the elbow-shaped head. The utility model is used for the real-time on-line monitoring of looped netowrk cabinet elbow type head temperature.

Description

Integrated sensor for online monitoring of temperature of elbow-shaped head of ring main unit
Technical Field
The utility model relates to an integral type sensor for looped netowrk cabinet elbow type head temperature on-line monitoring belongs to electric power system technical field.
Background
A Ring Main Unit (Ring Main Unit) is an electrical device which is formed by installing a group of transmission and distribution electrical equipment (high-voltage switch equipment) in a metal or nonmetal insulating cabinet body or manufacturing the Ring Main Unit into an assembled interval Ring Main power supply Unit, and the core part of the Ring Main Unit adopts a load switch and a fuse. The transformer substation is widely applied to distribution stations and box-type substations of load centers of urban residential districts, high-rise buildings, large public buildings, factory enterprises and the like.
In power transmission and distribution of an electric power system, the ring main unit is widely applied. In the long-term operation process, due to the fact that the temperature of a cable joint in the elbow-shaped head is too high, the cable is prone to oxidation, the cable joint is prone to explosion, insulation breakdown, combustion and the like after long-term operation, large-area power failure and fire accidents are caused, and safe operation of a power grid is affected. In order to monitor the temperature state of the cable inside the elbow type head on line in real time, the internal temperature needs to be monitored on line, the temperature change rule is mastered, and the temperature change rule is analyzed.
At present, a plurality of methods for monitoring the temperature of the cable inside the elbow-shaped head mainly comprise an infrared temperature measurement method, a contact sensor temperature measurement method, an optical fiber surface temperature measurement method and the like, but the methods indirectly or directly measure the temperature of the elbow-shaped head cable without considering the influence caused by the ambient temperature and the material conduction parameters, so that the effect in the long-term monitoring process is not ideal enough, and the expected effect cannot be achieved.
SUMMERY OF THE UTILITY MODEL
Lack the consideration that influences ambient temperature and material conduction parameter to the inside temperature monitoring mode of elbow type head to prior art, lead to the unsatisfactory problem of long-term monitoring process effect, the utility model provides an integral type sensor device for looped netowrk cabinet elbow type head temperature on-line monitoring.
The utility model discloses an integrated sensor for online monitoring of temperature of an elbow-shaped head of a ring main unit, which comprises a sensor main body, an ambient temperature collector, an ambient humidity collector and a surface temperature collector;
the environment temperature collector and the environment humidity collector are respectively arranged at two ends of the sensor main body, the surface temperature collector is arranged below the sensor main body, a positioning hole is formed above the sensor main body, and the sensor main body, the environment temperature collector, the environment humidity collector and the surface temperature collector are integrally formed by adopting soft materials;
the sensor main body is fixedly installed with a positioning column of the elbow head through a positioning hole, the environment temperature collector and the environment humidity collector are buckled on the side wall of the elbow head respectively after the sensor main body is bent, and the surface temperature collector is attached to the surface of the elbow head.
Preferably, it further comprises a data line connector; the temperature acquired by the environment temperature collector, the environment humidity collector and the surface temperature collector is output through the data line connector.
Preferably, the soft material includes: silica gel and rubber.
Preferably, the environmental temperature collector, the environmental humidity collector and the elbow-shaped head side wall are buckled through fixed buckles.
The utility model has the advantages that: the utility model provides an integral type sensor for looped netowrk cabinet elbow type head temperature on-line monitoring, adopt the heat conduction material to make into the integral type temperature sensor that can buckle with surface temperature collector, ambient temperature collector and ambient humidity collector, when using, this integral type temperature sensor can wrap up completely in the elbow type head outside, can carry out the face formula temperature measurement to elbow type head surface, can carry out multiple spot temperature measurement and wet survey to the environment simultaneously, get rid of because the error that ambient temperature and humidity influence and temperature conduction factor produced. The integrated temperature sensor provided by the invention can dynamically monitor the temperature of the surface of the elbow-shaped head in real time. Whether the temperature of the elbow type head cable joint is normal or not can be analyzed and judged in advance according to the monitoring result, the hidden danger of the thermal fault can be found timely and accurately, and the long-term safe operation of the ring main unit in a power grid is guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of an integrated sensor for online monitoring of the temperature of an elbow type head of a ring main unit according to the present invention;
fig. 2 is a mounting schematic diagram of an integrated sensor for ring main unit elbow type head temperature on-line monitoring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
In a first specific embodiment, as shown in fig. 1 and fig. 2, the integrated sensor for online monitoring of the temperature of the elbow-shaped head of the ring main unit according to the present invention is characterized in that the integrated sensor comprises a sensor main body 1, an ambient temperature collector 3, an ambient humidity collector 4 and a surface temperature collector 6;
the environment temperature collector 3 and the environment humidity collector 4 are respectively arranged at two ends of the sensor main body 1, the surface temperature collector 6 is arranged below the sensor main body 1, the positioning hole 2 is formed above the sensor main body 1, and the sensor main body 1, the environment temperature collector 3, the environment humidity collector 4 and the surface temperature collector 6 are integrally formed by adopting a soft material;
the sensor main body 1 is fixedly installed with a positioning column of the elbow-shaped head 7 through the positioning hole 2, the environment temperature collector 3 and the environment humidity collector 4 are respectively buckled on the side wall of the elbow-shaped head 7 after the sensor main body 1 is bent, and the surface temperature collector 6 is attached to the surface of the elbow-shaped head 7.
Further, it also comprises a data line connector 5; the temperature acquired by the environmental temperature collector 3, the environmental humidity collector 4 and the surface temperature collector 6 is output through the data line joint 5.
Still further, the soft material includes: silica gel and rubber.
Still further, the environmental temperature collector 3, the environmental humidity collector 4 and the side wall of the elbow-shaped head 7 are buckled through a fixed lock catch.
The utility model discloses in, adopt an integral type sensor that is used for looped netowrk cabinet elbow type head temperature on-line monitoring monitors time measuring to the elbow type head, installs this integral type sensor at elbow type head surface, and the integral type sensor closely laminates with the elbow type head to adopt fixed opening locking. The integrated sensor for online monitoring of the temperature of the elbow type head of the ring main unit can collect 1024 point array elbow type head surface temperature data, and can collect 512 point position environment temperature data. According to the data acquired by the environment temperature acquisition device 3, the environment humidity acquisition device 4 and the surface temperature acquisition device 6, the upper computer can acquire the temperature data of the cable inside the elbow head, and the temperature rise rate and the overtemperature frequency can be calculated according to the temperature data.
The utility model discloses in, an integral type sensor for looped netowrk cabinet elbow type head temperature on-line monitoring can realize multiple spot face formula temperature measurement and environment humiture monitoring based on fluorescence optical fiber technique.
Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.

Claims (3)

1. The integrated sensor for online monitoring of the temperature of the elbow-shaped head of the ring main unit is characterized by comprising a sensor main body (1), an ambient temperature collector (3), an ambient humidity collector (4) and a surface temperature collector (6);
the environment temperature collector (3) and the environment humidity collector (4) are respectively arranged at two ends of the sensor main body (1), the surface temperature collector (6) is arranged below the sensor main body (1), a positioning hole (2) is formed above the sensor main body (1), and the sensor main body (1), the environment temperature collector (3), the environment humidity collector (4) and the surface temperature collector (6) are integrally formed by adopting a soft material;
the sensor main body (1) is fixedly installed with a positioning column of the elbow-shaped head (7) through the positioning hole (2), the environment temperature collector (3) and the environment humidity collector (4) are respectively buckled on the side wall of the elbow-shaped head (7) after the sensor main body (1) is bent, and the surface temperature collector (6) is attached to the surface of the elbow-shaped head (7).
2. The integrated sensor for on-line monitoring of the temperature of the elbow type head of the ring main unit as claimed in claim 1, further comprising a data line connector (5); the temperature acquired by the environment temperature collector (3), the environment humidity collector (4) and the surface temperature collector (6) is output through the data line joint (5).
3. The integrated sensor for online monitoring of the temperature of the elbow type head of the ring main unit according to claim 1, wherein the environmental temperature collector (3), the environmental humidity collector (4) and the side wall of the elbow type head (7) are buckled through a fixed buckle.
CN202022145126.1U 2020-09-25 2020-09-25 Integrated sensor for online monitoring of temperature of elbow-shaped head of ring main unit Expired - Fee Related CN213902444U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022145126.1U CN213902444U (en) 2020-09-25 2020-09-25 Integrated sensor for online monitoring of temperature of elbow-shaped head of ring main unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022145126.1U CN213902444U (en) 2020-09-25 2020-09-25 Integrated sensor for online monitoring of temperature of elbow-shaped head of ring main unit

Publications (1)

Publication Number Publication Date
CN213902444U true CN213902444U (en) 2021-08-06

Family

ID=77112625

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022145126.1U Expired - Fee Related CN213902444U (en) 2020-09-25 2020-09-25 Integrated sensor for online monitoring of temperature of elbow-shaped head of ring main unit

Country Status (1)

Country Link
CN (1) CN213902444U (en)

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Granted publication date: 20210806