CN110686780A - Online monitoring method for fire-resistant bus duct - Google Patents
Online monitoring method for fire-resistant bus duct Download PDFInfo
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- CN110686780A CN110686780A CN201911114086.XA CN201911114086A CN110686780A CN 110686780 A CN110686780 A CN 110686780A CN 201911114086 A CN201911114086 A CN 201911114086A CN 110686780 A CN110686780 A CN 110686780A
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- bus duct
- fire
- temperature rise
- resistant bus
- temperature
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 33
- 230000009970 fire resistant effect Effects 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000000523 sample Substances 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims abstract description 4
- 230000003750 conditioning effect Effects 0.000 claims abstract description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0003—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiant heat transfer of samples, e.g. emittance meter
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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
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/18—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Abstract
The invention discloses an online monitoring method for a fire-resistant bus duct, which comprises the following steps: the method comprises the following steps: a temperature sensing element is arranged in each fire-resistant bus duct, and the temperature sensing element comprises an infrared heat sensing probe and a signal conditioning circuit; step two: each fire-resistant bus duct is provided with a temperature acquisition and emission element, and the temperature acquisition and emission element comprises an environment sensing element, a single chip microcomputer and a wireless transceiver; obtaining a node temperature rise value of a monitoring node where the single chip microcomputer is located; step three: the temperature acquisition and transmission element transmits the node temperature rise value to a monitoring management center through a ZigBee communication protocol, and the monitoring management center distributes the node temperature rise value to each user terminal in the form of text and curve; step four: and the user terminal is provided with an early warning threshold, and an alarm is given out when the received final temperature rise value exceeds the set early warning threshold. The invention can realize the on-line monitoring of the fire-resistant bus duct and avoid the serious accident of the power supply system caused by the temperature rise exceeding the limit value.
Description
Technical Field
The invention particularly relates to an online monitoring method for a fire-resistant bus duct.
Background
The bus duct is introduced into China from the 50 th century, has become an important branch in the power transmission and distribution industry due to large current carrying capacity, strong applicability and development of several generations, and is widely applied to various industries. The bus duct has the functions of collecting, distributing and transmitting electric energy, and has the characteristics of large current-carrying capacity, firmness, safety, easiness in installation, convenience in disassembly and maintenance, strong environmental adaptability and the like. The bus duct has incomparable advantages compared with cables in places such as heavy current, industrial and mining places and the like. With the rapid improvement of building automation and industrial automation levels, users often neglect the safety management of the bus duct, such as overload, insulation accelerated aging, lack of effective monitoring measures and the like, which threatens the power supply safety, even causes electrical disasters, and brings hidden dangers to the reliability and safety of the bus duct.
The temperature information of the bus duct is an important index for judging whether the bus duct is normally used. In the prior art, the following modes are provided for acquiring temperature information of the bus duct:
one method is to use an infrared thermometer to perform periodic detection manually, which results in incomplete data collection and large workload; in addition, the electrical disaster of the bus duct can not be effectively prevented.
Another kind is to post the temperature-sensitive paster in the bus duct connector outside, becomes coloured by white after this paster reaches certain temperature, and the personnel of patrolling and examining can directly observe, but this paster does not have reversibility, needs to change after once overtemperature, and the bus duct is installed at high altitude or the basement is difficult sometimes to go to observe.
According to the two modes, the temperature information of the bus duct cannot be monitored in real time in the prior art, and the alarm cannot be given in time when the temperature approaches or exceeds a threshold value.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an online monitoring method for a fire-resistant bus duct, which comprises the following steps:
the method comprises the following steps: a temperature sensing element is arranged in each fire-resistant bus duct, and the temperature sensing element comprises an infrared heat sensing probe and a signal conditioning circuit;
step two: each fire-resistant bus duct is provided with a temperature acquisition and emission element, and the temperature acquisition and emission element comprises an environment sensing element, a single chip microcomputer and a wireless transceiver; the single chip microcomputer makes a difference between a value input by the temperature sensing element and a value input by the environment sensing element to obtain a node temperature rise value of a monitoring node where the single chip microcomputer is located;
step three: the temperature acquisition and transmission element sends the node temperature rise value to a monitoring management center through a ZigBee communication protocol, the monitoring management center performs average value calculation and filtering processing on the node temperature rise value to obtain a final temperature rise value, and the final temperature rise value is stored in a database and is distributed to each user terminal in the form of text and curve;
step four: and the user terminal is provided with an early warning threshold, and an alarm is given out when the received final temperature rise value exceeds the set early warning threshold.
In order to better realize online monitoring on the bus duct, preferably, the user terminal can access the monitoring management center to inquire the temperature-rising value data of the specified node on the specified date,
preferably, the singlechip is a PCI singlechip.
Preferably, the wireless transceiver is a CC2430 chip.
Preferably, the thermistor is a PT100 platinum thermistor.
Preferably, the infrared heat sensing probe is an infrared thermopile sensing probe.
Has the advantages that: according to the invention, the temperature rise data acquisition sensors are arranged among the whole system, so that the temperature data of all bus ducts can be monitored in time, meanwhile, the influence of environmental temperature difference change is removed, accurate temperature rise data is obtained, information is transmitted to the monitoring management center through ZigBee wireless transmission and is processed, and the monitoring management center converts the temperature rise data into a visual form of texts and curves and distributes the texts and the curves to users. The working state of the bus duct can be observed by a manager in the control room, so that the normal use of the whole system is effectively ensured, the potential safety hazard of power utilization is further reduced, and the use safety factor of the whole bus duct is effectively improved; in addition, because the ZigBee wireless transmission is adopted, the problems of high construction difficulty, difficult wiring, high line cost and the like in the traditional wired transmission mode are effectively solved.
Drawings
FIG. 1 is a schematic flow chart diagram of a method for online monitoring of a fire-resistant bus duct;
FIG. 2 is a schematic view of the installation of a temperature acquisition emitting element;
Detailed Description
For the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
As shown in fig. 1-2, in order to solve the above disadvantages of the prior art, the present invention provides an online monitoring method for a fire-resistant bus duct, which includes the following steps:
the method comprises the following steps: a temperature sensing element is arranged in each fire-resistant bus duct, and the temperature sensing element comprises an infrared heat sensing probe and a signal conditioning circuit; the infrared heat sensing probe is an infrared thermopile sensing probe;
step two: each fire-resistant bus duct is provided with a temperature acquisition and emission element 1, and the temperature acquisition and emission element comprises an environment sensing element, a single chip microcomputer and a wireless transceiver; the single chip microcomputer is a PCI single chip microcomputer; the wireless transceiver is a CC2430 chip; the environment sensing element is a thermistor, and the thermistor is a PT100 platinum thermistor; the single chip microcomputer makes a difference between the numerical value input by the temperature sensing element and the numerical value input by the environment sensing element to obtain a node temperature rise value of a monitoring node where the single chip microcomputer is located;
step three: the temperature acquisition and transmission element sends the node temperature rise value to a monitoring management center through a ZigBee communication protocol, the monitoring management center performs average value calculation and filtering processing on the node temperature rise value to obtain a final temperature rise value, and the final temperature rise value is stored in a database and is distributed to each user terminal in the form of text and curve;
step four: the user terminal is provided with an early warning threshold, and an alarm is given out when the received final temperature rise value exceeds the set early warning threshold; the user terminal can access the monitoring management center to inquire the temperature-rising value data of the specified node on the specified date.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A fire-resistant bus duct online monitoring method is characterized by comprising the following steps:
the method comprises the following steps: a temperature sensing element is arranged in each fire-resistant bus duct, and the temperature sensing element comprises an infrared heat sensing probe and a signal conditioning circuit;
step two: each fire-resistant bus duct is provided with a temperature acquisition and emission element, and the temperature acquisition and emission element comprises an environment sensing element, a single chip microcomputer and a wireless transceiver; the single chip microcomputer makes a difference between a value input by the temperature sensing element and a value input by the environment sensing element to obtain a node temperature rise value of a monitoring node where the single chip microcomputer is located;
step three: the temperature acquisition and transmission element sends the node temperature rise value to a monitoring management center through a ZigBee communication protocol, the monitoring management center performs average value calculation and filtering processing on the node temperature rise value to obtain a final temperature rise value, and the final temperature rise value is stored in a database and is distributed to each user terminal in the form of text and curve;
step four: and the user terminal is provided with an early warning threshold, and an alarm is given out when the received final temperature rise value exceeds the set early warning threshold.
2. The online monitoring method for the fire-resistant bus duct according to claim 1, wherein a user terminal can access a monitoring management center to inquire temperature rise value data of a specified node on a specified date.
3. The online monitoring method for the fire-resistant bus duct according to claim 1, wherein the single chip microcomputer is a PCI single chip microcomputer.
4. The method for on-line monitoring of the fire-resistant bus duct of claim 1, wherein the wireless transceiver is a CC2430 chip.
5. The online monitoring method for the fire-resistant bus duct according to claim 1, wherein the thermistor is a PT100 platinum thermistor.
6. The online monitoring method for the fire-resistant bus duct according to claim 1, wherein the infrared heat sensing probe is an infrared thermopile sensing probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911114086.XA CN110686780A (en) | 2019-11-14 | 2019-11-14 | Online monitoring method for fire-resistant bus duct |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911114086.XA CN110686780A (en) | 2019-11-14 | 2019-11-14 | Online monitoring method for fire-resistant bus duct |
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| CN110686780A true CN110686780A (en) | 2020-01-14 |
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| CN201911114086.XA Pending CN110686780A (en) | 2019-11-14 | 2019-11-14 | Online monitoring method for fire-resistant bus duct |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104007747A (en) * | 2014-06-18 | 2014-08-27 | 遵义长征电器开关设备有限责任公司 | On-line monitoring system for monitoring temperature rise of electrical switch cabinet remotely |
| CN104198050A (en) * | 2014-08-08 | 2014-12-10 | 西安工程大学 | Online diagnosis system of heating fault of special bus duct for wind power generation |
| KR20160014509A (en) * | 2014-07-28 | 2016-02-11 | 엘에스전선 주식회사 | busduct joint and multi point temperature monitering system of busduct including the same |
| CN206192513U (en) * | 2016-11-02 | 2017-05-24 | 江苏瑞欧宝电气股份有限公司 | Special bus duct of wind -powered electricity generation trouble on -line monitoring system that generates heat |
| CN107948311A (en) * | 2017-12-19 | 2018-04-20 | 广州莲雾科技有限公司 | A kind of intelligent Bus groove on-line monitoring system based on mixed networking technology |
-
2019
- 2019-11-14 CN CN201911114086.XA patent/CN110686780A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104007747A (en) * | 2014-06-18 | 2014-08-27 | 遵义长征电器开关设备有限责任公司 | On-line monitoring system for monitoring temperature rise of electrical switch cabinet remotely |
| KR20160014509A (en) * | 2014-07-28 | 2016-02-11 | 엘에스전선 주식회사 | busduct joint and multi point temperature monitering system of busduct including the same |
| CN104198050A (en) * | 2014-08-08 | 2014-12-10 | 西安工程大学 | Online diagnosis system of heating fault of special bus duct for wind power generation |
| CN206192513U (en) * | 2016-11-02 | 2017-05-24 | 江苏瑞欧宝电气股份有限公司 | Special bus duct of wind -powered electricity generation trouble on -line monitoring system that generates heat |
| CN107948311A (en) * | 2017-12-19 | 2018-04-20 | 广州莲雾科技有限公司 | A kind of intelligent Bus groove on-line monitoring system based on mixed networking technology |
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Application publication date: 20200114 |
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