CN204027731U - A kind of temperature rise on-Line Monitor Device for ring main unit inner cable joint - Google Patents
A kind of temperature rise on-Line Monitor Device for ring main unit inner cable joint Download PDFInfo
- Publication number
- CN204027731U CN204027731U CN201420202787.5U CN201420202787U CN204027731U CN 204027731 U CN204027731 U CN 204027731U CN 201420202787 U CN201420202787 U CN 201420202787U CN 204027731 U CN204027731 U CN 204027731U
- Authority
- CN
- China
- Prior art keywords
- temperature probe
- temperature
- cable splice
- ring main
- main unit
- 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
Links
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
本实用新型提供一种用于环网柜内电缆接头的温升在线监测装置，包括测温传感器组、测温变送器、数据采集器和远程无线传输装置，测温传感器组通过测温变送器与数据采集器交互式信号连接，数据采集器通过远程无线传输装置与设置于监控中心的计算机交互式信号连接，能够及时发现隐患，提高了工作效率，并且降低了人工成本，保护了配电设备，减少了配电设备的更换和损耗；测温传感器组由A、B、C相电缆接头测温传感器和环境测温传感器组成，A、B、C相电缆接头测温传感器均采用硅橡胶表带固定在电缆接头上，提高了温度测量的可靠性、兼容性和便捷性。
The utility model provides an online monitoring device for temperature rise of cable joints in a ring network cabinet, which includes a temperature measuring sensor group, a temperature measuring transmitter, a data collector and a remote wireless transmission device. The interactive signal connection between the transmitter and the data collector, and the interactive signal connection between the data collector and the computer set up in the monitoring center through a remote wireless transmission device, can detect hidden dangers in time, improve work efficiency, reduce labor costs, and protect the equipment. Electrical equipment, reducing the replacement and loss of power distribution equipment; the temperature sensor group is composed of A, B, and C phase cable joint temperature sensors and environmental temperature sensors, and the A, B, and C phase cable joint temperature sensors are all made of silicon A rubber strap is secured to the cable gland, increasing the reliability, compatibility and convenience of temperature measurement.
Description
Technical field
The utility model relates to power equipment monitoring technical field, specifically a kind of temperature rise on-Line Monitor Device for ring main unit inner cable joint.
Background technology
In electric system, temperature is always a very important parameter, and the electric terminal between numerous high voltage electric equipments itself and high voltage electric equipment is that electric power is carried the weakest link, and its substantive issue is exactly electric terminal heating.Along with the prolongation of temperature rise time, temperature over-range place will strengthen degree of oxidation because of heating, and then may cause and burn bus and contact, contact are ruined the major accidents such as dish, power failure.In ring main unit, conventionally adopt cable splice to be electrically connected.Cable splice has all insulation, hermetic function; electrical connection and insulation have been guaranteed; but in actual motion, often there will be the crimping due to passage component tightly not cause the overheated problem that causes product ablation, initiating failure of cable splice, therefore need to carry out temperature rise monitoring to it.
For realizing the product of above-mentioned functions, be mainly local monitoring on the market at present, do not have by the ability of GPRS uploading data, can not form unified data management background system, cannot carry out unified management to the temperature measuring equipment in each ring main unit, compatible poor, need to drop into larger human resources and make an inspection tour and overhaul, cost is higher.Traditional temperature probe mounting means is mainly divided into two large classes, and the first kind is the auxiliary installation of bolt, and this type of mounting means is applicable to point for measuring temperature bolted occasion, and another kind of is that hood type is installed, the surface temperature measurement of this type of applicable cable.These two kinds of modes do not possess versatility, are not suitable for all electric terminals, and these two kinds of modes all need to be installed by installation fitting, install comparatively complicated.
Utility model content
The purpose of this utility model is to provide a kind of temperature rise on-Line Monitor Device for ring main unit inner cable joint, by this device, can concentrate monitoring, unified management to the temperature rise of ring main unit inner cable joint, reduce cost of labor, increase work efficiency, reduce replacing and the loss of equipment.
The technical solution of the utility model is:
A kind of temperature rise on-Line Monitor Device for ring main unit inner cable joint, comprise the temperature probe group and the thermometric transmitter that are arranged in ring main unit, this device also comprises data acquisition unit and remote wireless transmission device, described temperature probe group is connected with data acquisition unit interactive signal by thermometric transmitter, and described data acquisition unit is connected with the computer interactive formula signal that is arranged at Surveillance center by remote wireless transmission device; Described temperature probe group is comprised of A phase cable splice temperature probe, B phase cable splice temperature probe, C phase cable splice temperature probe and environment temperature probe, and described A phase cable splice temperature probe, B phase cable splice temperature probe and C phase cable splice temperature probe all adopt silicon rubber watchband to be fixed on cable splice.
The described temperature rise on-Line Monitor Device for ring main unit inner cable joint, described thermometric transmitter is connected with data acquisition unit interactive signal by RS485 bus.
The described temperature rise on-Line Monitor Device for ring main unit inner cable joint, described remote wireless transmission device is specially GPRS radio transmitting device.
The described temperature rise on-Line Monitor Device for ring main unit inner cable joint, this device also comprises the audible-visual annunciator that is arranged at Surveillance center, the signal input part of described audible-visual annunciator is connected with the signal output part of computing machine.
As shown from the above technical solution, the utility model is by arranging data acquisition unit and remote wireless transmission device, the temperature rise of each ring main unit inner cable joint can be sent to Surveillance center and concentrate monitoring, unified management, avoided artificial line walking investigation, can scent a hidden danger in time, made the harm of breaking down be down to minimum, improved work efficiency, and reduced cost of labor, protected controller switching equipment, reduced replacing and the loss of controller switching equipment; Temperature probe adopts silicon rubber watchband to be fixed on cable splice, contacts comparatively closely, fixed, ease for installation, adjustment, can adapt to the cable splice of different-diameter, has improved thermometric reliability, compatibility and convenience.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model.
As shown in Figure 1, for a temperature rise on-Line Monitor Device for ring main unit inner cable joint, comprise A phase cable splice temperature probe 1, B phase cable splice temperature probe 2, C phase cable splice temperature probe 3, environment temperature probe 4, thermometric transmitter 5, data acquisition unit 6, GPRS radio transmitting device 7, computing machine 8 and audible-visual annunciator 9.A phase cable splice temperature probe 1, B phase cable splice temperature probe 2, C phase cable splice temperature probe 3, environment temperature probe 4, thermometric transmitter 5 are arranged in ring main unit, and computing machine 8 and audible-visual annunciator 9 are arranged at Surveillance center.A phase cable splice temperature probe 1, B phase cable splice temperature probe 2 and C phase cable splice temperature probe 3 all adopt silicon rubber watchband to be fixed on cable splice.
A phase cable splice temperature probe 1, B phase cable splice temperature probe 2, C phase cable splice temperature probe 3, environment temperature probe 4 are all connected with thermometric transmitter 5 interactive signals; Thermometric transmitter 5 is connected with data acquisition unit 6 interactive signals by RS485 bus; Data acquisition unit 6 is connected with computing machine 8 interactive signals by GPRS radio transmitting device 7, and the signal output part of computing machine 8 is connected with the signal input part of audible-visual annunciator 9.
Temperature probe is comprised of temperature survey chip, cylindrical metal case and inside stuffing, and inside stuffing is the silica flour that insulativity is high, thermal conductivity is good, and surface of shell is used epoxy resin sealing.A phase cable splice temperature probe 1, B phase cable splice temperature probe 2, C phase cable splice temperature probe 3 are arranged on cable splice outer layer insulation rubber, cable splice inner wire temperature is conducted to temperature probe through outer layer insulation rubber, employing silicon rubber watchband is embedded into temperature probe in the middle of gauge outfit, the metal shell of temperature probe temperature-sensitive is exposed in gauge outfit bottom surface, in the time of on being banded in cable splice, contact comparatively tight, can reach good contact and fixed effect, make temperature acquisition more accurately with reliable.Temperature probe adopts Single Wire Bus Technology, can support at most 255 temperature probes of carry in bus, has greatly saved transmission line, and is convenient to wiring.
The inside of data acquisition unit 6 adopts ARM Series MCU, has dot matrix LCD display and 4 key-press matrixs of local 128*64, easily local parameters and displays temperature data.Every 1～6 ring main unit interval, configuration-related data collecting device, data transmission set, solar panels, storage battery power supply equipment etc. are a set of.Temperature probe adopts passive wired working method, and 4 temperature probes of the minimum support of thermometric transmitter are supported the networking of RS485 bus mode, pass through RS485 bus mode data information between thermometric transmitter and data acquisition unit.
Principle of work of the present utility model:
A phase cable splice temperature probe 1, B phase cable splice temperature probe 2, C phase cable splice temperature probe 3, environment temperature probe 4 is measured temperature of cable junction and environment temperature respectively, calculate corresponding temperature data, thermometric transmitter 5 gathers threephase cable connector temperature and the ambient temperature data that temperature probe is measured, and by RS485 bus, the data of collection are sent to data acquisition unit 6, data acquisition unit 6 completes concentrating of each thermometric transmitter 5 data and stipulations encapsulation, by GPRS radio transmitting device 7, complete the data interaction with Surveillance center computing machine 8, when cable splice temperature rise is transfinited, computing machine 8 is controlled audible-visual annunciator 9 and is sent sound and light alarm, notice operator is processed.
The above embodiment is only that preferred implementation of the present utility model is described; not scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model, all should fall in the definite protection domain of claims of the present utility model.
Claims (4)
1. the temperature rise on-Line Monitor Device for ring main unit inner cable joint, comprise the temperature probe group and the thermometric transmitter that are arranged in ring main unit, it is characterized in that: this device also comprises data acquisition unit and remote wireless transmission device, described temperature probe group is connected with data acquisition unit interactive signal by thermometric transmitter, and described data acquisition unit is connected with the computer interactive formula signal that is arranged at Surveillance center by remote wireless transmission device;
Described temperature probe group is comprised of A phase cable splice temperature probe, B phase cable splice temperature probe, C phase cable splice temperature probe and environment temperature probe, and described A phase cable splice temperature probe, B phase cable splice temperature probe and C phase cable splice temperature probe all adopt silicon rubber watchband to be fixed on cable splice.
2. the temperature rise on-Line Monitor Device for ring main unit inner cable joint according to claim 1, is characterized in that: described thermometric transmitter is connected with data acquisition unit interactive signal by RS485 bus.
3. the temperature rise on-Line Monitor Device for ring main unit inner cable joint according to claim 1, is characterized in that: described remote wireless transmission device is specially GPRS radio transmitting device.
4. the temperature rise on-Line Monitor Device for ring main unit inner cable joint according to claim 1, it is characterized in that: this device also comprises the audible-visual annunciator that is arranged at Surveillance center, the signal input part of described audible-visual annunciator is connected with the signal output part of computing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420202787.5U CN204027731U (en) | 2014-04-24 | 2014-04-24 | A kind of temperature rise on-Line Monitor Device for ring main unit inner cable joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420202787.5U CN204027731U (en) | 2014-04-24 | 2014-04-24 | A kind of temperature rise on-Line Monitor Device for ring main unit inner cable joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204027731U true CN204027731U (en) | 2014-12-17 |
Family
ID=52067574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420202787.5U Expired - Fee Related CN204027731U (en) | 2014-04-24 | 2014-04-24 | A kind of temperature rise on-Line Monitor Device for ring main unit inner cable joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204027731U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106997013A (en) * | 2017-05-16 | 2017-08-01 | 中车洛阳机车有限公司 | A kind of temperature rise experimental method of cable crimping point and crimping armor clamp |
| CN112595439A (en) * | 2020-12-08 | 2021-04-02 | 云南电网有限责任公司昆明供电局 | Transmission line bolt temperature measurement system |
| CN112924046A (en) * | 2021-01-22 | 2021-06-08 | 国网江苏省电力有限公司宿迁供电分公司 | Ring main unit cable terminal connector heating fault online monitoring system and method |
| CN113324667A (en) * | 2021-04-22 | 2021-08-31 | 贵州电网有限责任公司 | Join in marriage wireless temperature measurement monitoring devices of net |
-
2014
- 2014-04-24 CN CN201420202787.5U patent/CN204027731U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106997013A (en) * | 2017-05-16 | 2017-08-01 | 中车洛阳机车有限公司 | A kind of temperature rise experimental method of cable crimping point and crimping armor clamp |
| CN112595439A (en) * | 2020-12-08 | 2021-04-02 | 云南电网有限责任公司昆明供电局 | Transmission line bolt temperature measurement system |
| CN112924046A (en) * | 2021-01-22 | 2021-06-08 | 国网江苏省电力有限公司宿迁供电分公司 | Ring main unit cable terminal connector heating fault online monitoring system and method |
| CN112924046B (en) * | 2021-01-22 | 2023-10-20 | 国网江苏省电力有限公司宿迁供电分公司 | An online monitoring system and method for heating fault of ring main unit cable terminal joint |
| CN113324667A (en) * | 2021-04-22 | 2021-08-31 | 贵州电网有限责任公司 | Join in marriage wireless temperature measurement monitoring devices of net |
| CN113324667B (en) * | 2021-04-22 | 2023-08-04 | 贵州电网有限责任公司 | Join in marriage net wireless temperature measurement monitoring devices |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103453999B (en) | Based on the substation equipment temperature monitoring system of self-energizing radio temperature sensor | |
| CN202651537U (en) | Cable plug with temperature detection | |
| CN103674292A (en) | Temperature detecting method and apparatus for devices of transformer station | |
| CN202734975U (en) | Overtemperature alarm apparatus for cable connector inside switch cabinet | |
| CN204027731U (en) | A kind of temperature rise on-Line Monitor Device for ring main unit inner cable joint | |
| CN202648804U (en) | High voltage contact and bus on-line temperature measuring device | |
| CN104132748B (en) | Switch cubicle surface acoustic wave SAW temp measuring system | |
| CN202093670U (en) | Wireless temperature measuring system based on electrical power system | |
| CN206321347U (en) | A kind of online system for detecting temperature of high pressure, low-tension switch cabinet | |
| CN205246243U (en) | Transmission line temperature on -line monitoring system | |
| CN201673587U (en) | Operating temperature monitor for high-voltage equipment | |
| CN201387362Y (en) | Wireless temperature measuring terminal for high-voltage electric environment | |
| CN204027723U (en) | Switch cubicle surface acoustic wave SAW temp measuring system | |
| CN203443677U (en) | Wireless temperature measuring system for power distribution cabinet | |
| CN202885987U (en) | One-host multipoint wireless temperature measuring device | |
| CN202393866U (en) | Hydropower station 330kV high voltage cable temperature and insulating state intelligent monitoring device | |
| CN203249699U (en) | Power network operation equipment temperature sensing system based on technology of Internet of Things | |
| CN110987203A (en) | Wireless intelligent temperature measurement monitoring device and monitoring system | |
| CN103698043A (en) | Wireless temperature measurement system in transformer substation | |
| CN203929269U (en) | Wireless temperature measurement system in transformer station | |
| CN203931131U (en) | Distributed apparatus abnormal alarm system | |
| CN201955170U (en) | Electronic temperature indicating wax plate device | |
| CN202869661U (en) | Electric joint temperature measurement apparatus | |
| CN203629700U (en) | Wireless temperature measuring device | |
| CN205562724U (en) | Join in marriage electric line fault temperature on -line monitoring device of net |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |