CN101261210B - Cable branch joint sulfur hexafluoride air cell density remote-measuring system - Google Patents
Cable branch joint sulfur hexafluoride air cell density remote-measuring system Download PDFInfo
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- CN101261210B CN101261210B CN2008100197423A CN200810019742A CN101261210B CN 101261210 B CN101261210 B CN 101261210B CN 2008100197423 A CN2008100197423 A CN 2008100197423A CN 200810019742 A CN200810019742 A CN 200810019742A CN 101261210 B CN101261210 B CN 101261210B
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- 229910018503 SF6 Inorganic materials 0.000 title claims abstract description 10
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 title claims abstract description 10
- 229960000909 sulfur hexafluoride Drugs 0.000 title claims abstract description 7
- 238000012545 processing Methods 0.000 claims abstract description 18
- 238000012544 monitoring process Methods 0.000 claims abstract description 14
- 230000002776 aggregation Effects 0.000 claims description 17
- 238000004220 aggregation Methods 0.000 claims description 17
- 238000004891 communication Methods 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000003203 everyday effect Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 claims description 2
- 238000012797 qualification Methods 0.000 claims description 2
- 238000013480 data collection Methods 0.000 abstract 2
- 238000012360 testing method Methods 0.000 description 26
- 239000004973 liquid crystal related substance Substances 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000013500 data storage Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000007405 data analysis Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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Abstract
The invention belongs to a telemetry system for the density in a cable branch joint sulfur hexafluoride air chamber, which is characterized in that: a data collection and collating unit uses RS-485 bus to be connected with at least an SF6 density monitor; the data collection and collating unit comprises a data collecting and storing processing unit, a power controlling unit, a key and display unit, a short message receiving/sending unit and a computer interface unit respectively connected with a central processing unit CPU; a GSM short message receiving/sending device is connected on the short message receiving/sending unit; an external power is connected on the power controlling unit. The telemetry system for the density in a cable branch joint sulfur hexafluoride air chamber has the advantages that: a solar energy battery is used as the power supply mode; short messages can be used for sending the monitoring situation of the density gauge two times each day; the density history record of one to two months can be provided for making copies on site and the cellphone number sending the short message can be changed; each line in the case is provided with an SF6 inflatable chamber with a total of three; the SF6 density in the three inflatable chambers can be monitored.
Description
Technical field
The invention belongs to a kind of power-supply unit, specifically a kind of cable branch joint sulfur hexafluoride air cell density remote-measuring system.
Background technology
Cable branch box is mainly used in stube cable, for the connection of guaranteeing cable is under the safe and reliable state all the time, need monitor the SF in the airtight cable branch box at any time
6Concentration.In the prior art, this testing mainly by manually finishing, during operation, regularly utilizes the pick-up unit of carrying to detect by the staff, and the defective of this detection mode is that operation is cumbersome, SF
6The control accuracy of concentration is lower.
Summary of the invention
The objective of the invention is to design a kind of cable branch joint sulfur hexafluoride air cell density remote-measuring system, with handled easily and raising control accuracy.
According to technical scheme provided by the invention, data aggregation and collating unit utilize RS-485 bus and at least one SF
6The measuring density device connects, and described data aggregation and collating unit comprise data acquisition storage processing unit, power control unit, button and display unit, short message receiving-transmitting unit, the computer interface unit that is connected on the cpu central processing unit; On the short message receiving-transmitting unit, connect GSM short message receiving-transmitting device, on power control unit, connect external power supply;
The data acquisition storage processing unit is responsible for the measuring density device is assigned the acquisition instructions of Monitoring Data, and the data of arrangement storage of collected; Power control unit is responsible for the working time of control of density monitor, short message receiving-transmitting unit, to save electricity consumption; Button and display unit are used to show transmitting time and the number of times and the current cell voltage of phone number, setting; The short message receiving-transmitting unit is used for timed sending system status information; Computer interface unit adopts USB interface, is used for carrying out communication with notebook, finishes checking and data transmission of historical data, and to sending the setting of note phone number and transmitting time, number of times; SF
6The measuring density device adopts digital measuring density device to finish SF in the air chamber
6Monitoring; By the RS-485 bus, upload the data to data aggregation and collating unit simultaneously.
Described button comprises removes button, transmission button, work button, phone number inquiry button, voltage inquiry button.
Described external power supply adopts solar panel and accumulator, is system's power supply.Also leave the battery measurement hole on this device, measure current cell voltage at any time.The baud rate of short message receiving-transmitting unit is 144kb/s, for GSM short message receiving-transmitting device provides+the 5V power supply, provides 300mA electric current when GSM short message receiving-transmitting device is in holding state, and the peak point current of 1.8A is provided when GSM short message receiving-transmitting device is in communications status.
Advantage of the present invention is: use solar cell as power supply mode; Can utilize the note method to send the situation of twice density meter monitoring every day; And provide the scene can copy density one sends note to bimestrial historical record and modification cell-phone number; Every circuit has a SF in the case
6Plenum chamber, totally 3; Can monitor the SF of 3 plenum chambers
6Density.
Description of drawings
Fig. 1 is a circuit block diagram of the present invention.
Fig. 2 is the block diagram of data acquisition storage processing unit.
Embodiment
Data aggregation and collating unit utilize RS-485 bus and at least one SF
6The measuring density device connects, and described data aggregation and collating unit comprise data acquisition storage processing unit, power control unit, button and display unit, short message receiving-transmitting unit, the computer interface unit that is connected on the cpu central processing unit; On the short message receiving-transmitting unit, connect GSM short message receiving-transmitting device, on power control unit, connect external power supply;
The data acquisition storage processing unit is responsible for the measuring density device is assigned the acquisition instructions of Monitoring Data, and the data of arrangement storage of collected; Power control unit is responsible for the working time of control of density monitor, short message receiving-transmitting unit, to save electricity consumption; Button and display unit are used to show transmitting time and the number of times and the current cell voltage of phone number, setting; The short message receiving-transmitting unit is used for timed sending system status information;
Computer interface unit adopts USB interface, is used for carrying out communication with notebook, finishes checking and data transmission of historical data, and to sending the setting of note phone number and transmitting time, number of times;
SF
6The measuring density device adopts digital measuring density device to finish SF in the air chamber
6Monitoring; By the RS-485 bus, upload the data to data aggregation and collating unit simultaneously.
System's power supply: adopt the solar panel of 1W and the accumulator of 2800mah, power to system.Guarantee continuous 5 unglazed power supply capacities according to day.
GSM short message receiving-transmitting device: satisfy the requirement of mobile communication aspect, at any time the transmitting system condition information.Selecting baud rate is 144kb/s.Provide+the 5V power supply (300mA, peak value 1.8A) at ordinary times.
SF
6Measuring density: adopt the digital measuring density device of UP908L type.Finish SF in the plenum chamber
6Monitoring.By the RS-485 bus, upload the data to data aggregation and collating unit simultaneously.
Data acquisition and collating unit: the information processing centre that is native system.Comprise the data acquisition storage processing unit, power control unit, button, display unit, short message receiving-transmitting unit, computer interface unit etc.
The data acquisition storage processing unit is responsible for the measuring density device is assigned the instruction of the collection of Monitoring Data, the data of arrangement storage of collected.
Power control unit is responsible for controlling the working time of UP908L measuring density device, short message receiving-transmitting unit etc., to save electricity consumption.
Button, display unit can show transmitting time and the number of times and the current cell voltage of phone number, setting; Button comprises removes button (not sending note when pressing), transmission button (click and send a note), work button (system all switches on when pressing), phone number inquiry button, voltage inquiry button etc.
The short message receiving-transmitting unit satisfies the requirement of mobile communication aspect, timed sending system status information.Selecting baud rate is 144kb/s.Provide+the 5V power supply (300mA, peak value 1.8A) at ordinary times.
Computer interface unit adopts USB interface, can carry out communication with notebook, finishes checking and data transmission of historical data, also has sending the setting of note phone number and transmitting time, number of times.
Also leave the battery measurement hole on this device, can measure current cell voltage at any time.
Data setting and copy and accept device: be a notebook.On notebook, a simple man-machine interface program (writing with VB) is installed.Can finish plenum chamber SF by it
6Some data of environmental monitoring system are provided with, as phone number is set, reports number of times etc.It can also check the historical data of system.
The course of work of system is as follows:
Solar panel and charger charge a battery, for total system provides power supply.Data aggregation and collating unit regularly (per hour) start 3 SF
6Measuring density device UP908L is to the SF in the cable branch box
6Gas density is measured, and the data of measurement are carried out data aggregation by the RS-485 bus, simultaneously with each SF
6The data qualification that measuring density device UP908L transmits is preserved.The data presentation that monitors just often, regularly send SF by note every day
6The present situation of measuring density situation and system (transmission number of times and time can be set by the user).Work as SF
6When the measuring density situation was unusual, data aggregation and collating unit sent alarming short message at once.Afterwards, send a warning message every 30 minutes (or according to customer requirement), till the technician comes maintenance and inspection good.The maintainer can revise cell-phone number by the software on the notebook (data setting and copy and accept device), checks nearly 2 months Monitoring Data and system state is provided with.
The key technical indexes of system:
SF
6Gas density: the equivalent pressure in the time of 20 ℃;
Air pressure range :-0.1～0.7Mpa;
Temperature compensation scope :-30 ℃～50 ℃;
The barometric surveying precision: in the time of 20 ℃≤± 1%, gamut≤± 2.5%;
Alarm pressure setting range: 0～0.7MPa;
Mechanical interface: the M20 * long 18mm of 1.5 external threads;
The monitoring sampling period: normal 6 hours, unusual 30 minutes;
GSM short message receiving-transmitting device: baud rate is 144kb/s;
Note sends: system state (normal every day 2 times, unusual 30 minutes or be set by the user);
Note sends content: just often: three equivalent pressure, cell voltage;
When unusual: three equivalent pressure, cell voltage, which is unusual;
Data storage: nearly 2 months data;
Data-interface: USB and notebook communication;
Phone number quantity: 5 (at most);
Warning output contact: one tunnel;
Sun power electroplax and rechargeable battery: unglazed photograph energy continuous firing 5 days;
Working environment :-25 ℃～45 ℃ 10～95%RH;
Dielectric strength (between outer cover metal part and the power supply):＞2000V.
Electro Magnetic Compatibility:
3 grades of static discharge GB/T14598.10-1998;
3 grades of fast transient pulse train GB/T14598.14-1999;
3 grades of thunderbolt (surge) GB/T17626.5-1999.
The notebook data collector is specifically designed to SF
6The data acquisition of plenum chamber density remote-measuring system, its RS485 serial data interface can connect 1 to 128 Up908 series SF
6Density monitor can carry out exchanges data with each device fast circularly, and data such as the real-time pressure of each device, equivalent pressure, temperature are gathered and storage in chronological order, can also data be sent to the mobile phone of user's appointment by short message timing.Be connected with computing machine by USB interface, on the one hand with the data transmission that collects to computing machine, carry out data analysis, inquiry by special software; On the other hand also can be on computers the parameter of this data acquisition unit be provided with.The notebook data collector adopts solar cell for supplying power in addition, therefore has the function of sampling, storage battery voltage.
The notebook data collector has two kinds of duties: test mode and normal operating conditions.Test mode: real-time and slave computer communication, real-time recorded data can be carried out the SMS debugging as required.Normal operating conditions: regularly send with slave computer communication, record data, note.Enter test mode from normal operating conditions, only need by " test " key, test lamp is bright; And from return normal operating conditions in test mode, then need have a rest until test lamp by " test " key and go out, or system is not carried out any operation, normal operating conditions is return by system after 30 minutes.
Short message content is the three-phase equivalent pressure, solar array voltage, and send twice according to the time that the user sets every day.If abnormal conditions (as: three-phase equivalent pressure arbitrary be lower than the equivalent pressure alarming value mutually or solar array voltage is lower than the solar cell alarming value) take place, then short message content adds the abnormal information content, and forces (have the user to set) at regular intervals and send once.(the density monitor communication is obstructed, and the three-phase equivalent pressure shows 0.##Mp in the note, if the communication success is then represented with actual numerical value.If) need SMS is tested, by " note " key.
The notebook data collector adopts the data processing chip of low-power consumption, solar cell for supplying power, and the reliability height, low in energy consumption, be specially adapted to unattended duty, on-the-spot power free occasion.
Data aggregation and collating unit be as shown in Figure 2: be connected data acquisition storage processing unit, power control unit, button and display unit, short message receiving-transmitting unit, computer interface unit on cpu central processing unit respectively; On the short message receiving-transmitting unit, connect GSM short message receiving-transmitting device, on power control unit, connect external power supply;
Wherein data acquisition storage processing unit comprises data storage; Power control unit comprises solar cell, power module, electric battery and A/D sample circuit; Button and display unit comprise keyboard and LCD display circuit and real time clock circuit; The short message receiving-transmitting unit comprises SMS module and Up908, SMS module power control circuit; Computer interface unit comprises Rs485 communication interface and USB communication interface
During operation:
Energized, data acquisition unit carries out self check.Liquid crystal display Testing ... with the equipment plane No..Self check finishes, and enters test mode, and this moment, test lamp was bright, and other lampet is dark entirely, and liquid crystal shows solar array voltage, A equivalent pressure, B equivalent pressure, C equivalent pressure and data such as time at that time successively.If the density monitor communication is obstructed, then the three-phase equivalent pressure shows Pn#.##Mp (n is A, B, C three-phase), if the communication success, #.## then is an actual numerical value.In test mode, there is not the sending short messages at definite time function, send note as need, by " note " key, bright until the note lamp, release button, liquid crystal first row shows SENDINGMESSAGE, and system will send by the phone number of setting, and liquid crystal second row shows each transmission information, send and successfully show " number sequence number OK ", transmission failure demonstration " number sequence number ERROR ".In the note process, certain number sends failure, and system is retransmitted automatically, and liquid crystal second row shows " number sequence number-OK ", or demonstration " number sequence number-ERROR ".Note sends and finishes, and enters test mode automatically.
The notebook data collector has two kinds of duties: test mode and normal operating conditions.System boot promptly enters test mode, and test lamp is bright.Test mode enters normal operating conditions, by " test " key, goes out until test lamp.Liquid crystal is had a rest and is gone out behind the release button, and system withdraws from test mode, perhaps equipment is not carried out any operation, and system withdraws from test mode automatically.Normal operating conditions enters test mode, only needs by " test " key, and test lamp is bright to get final product.
Data acquisition unit must link to each other computing machine with the USB connecting line under test mode by USB and computing machine communication with this machine, data acquisition unit just can be by USB interface and computing machine normal communication at this moment.
Claims (1)
1. cable branch joint sulfur hexafluoride air cell density remote-measuring system, it is characterized in that: data aggregation and collating unit utilize RS-485 bus and at least one SF
6The measuring density device connects, and described data aggregation and collating unit comprise data acquisition storage processing unit, power control unit, button and display unit, short message receiving-transmitting unit, the computer interface unit that is connected on the cpu central processing unit; On the short message receiving-transmitting unit, connect GSM short message receiving-transmitting device, on power control unit, connect external power supply;
The data acquisition storage processing unit is responsible for the measuring density device is assigned the acquisition instructions of Monitoring Data, and the data of arrangement storage of collected;
Power control unit is responsible for the working time of control of density monitor, short message receiving-transmitting unit, to save electricity consumption;
Button and display unit are used to show transmitting time and the number of times and the current cell voltage of phone number, setting;
The short message receiving-transmitting unit is used for timed sending system status information;
Computer interface unit adopts USB interface, is used for carrying out communication with notebook, finishes checking and data transmission of historical data, and to sending the setting of note phone number and transmitting time, number of times;
SF
6The measuring density device adopts digital measuring density device to finish SF in the air chamber
6Monitoring; By the RS-485 bus, upload the data to data aggregation and collating unit simultaneously;
Button comprises removes button, transmission button, work button, phone number inquiry button, voltage inquiry button; External power supply adopts solar panel and accumulator, is system's power supply;
The baud rate of short message receiving-transmitting unit is 144kb/s, for GSM short message receiving-transmitting device provides+the 5V power supply, provides 300mA electric current when GSM short message receiving-transmitting device is in holding state, and the peak point current of 1.8A is provided when GSM short message receiving-transmitting device is in communications status;
During work, solar panel and charger charge a battery, for total system provides power supply; Data aggregation and collating unit per hour regularly start 3 SF
6Measuring density device UP908L is to the SF in the cable branch box
6Gas density is measured, and the data of measurement are carried out data aggregation by the RS-485 bus, simultaneously with each SF
6The data qualification that measuring density device UP908L transmits is preserved; The data presentation that monitors just often, regularly send SF by note every day
6The present situation of measuring density situation and system; Work as SF
6When the measuring density situation was unusual, data aggregation and collating unit sent alarming short message at once; Afterwards, every 30 minutes or according to warning message of customer requirement transmission, till the technician comes maintenance and inspection good; The maintainer can be by the software on the notebook, revises cell-phone number, checks nearly 2 months Monitoring Data and system state is provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100197423A CN101261210B (en) | 2008-03-14 | 2008-03-14 | Cable branch joint sulfur hexafluoride air cell density remote-measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100197423A CN101261210B (en) | 2008-03-14 | 2008-03-14 | Cable branch joint sulfur hexafluoride air cell density remote-measuring system |
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| Publication Number | Publication Date |
|---|---|
| CN101261210A CN101261210A (en) | 2008-09-10 |
| CN101261210B true CN101261210B (en) | 2010-12-15 |
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| CN2008100197423A Active CN101261210B (en) | 2008-03-14 | 2008-03-14 | Cable branch joint sulfur hexafluoride air cell density remote-measuring system |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103035098B (en) * | 2012-01-09 | 2014-10-01 | 南京益美沃电子科技有限公司 | Gas data remote monitoring terminal |
| CN103198625A (en) * | 2013-03-28 | 2013-07-10 | 国家电网公司 | Sulfur hexafluoride (SF6) leakage alarm system based on global system for mobile communication (GSM) short message module |
| CN106596329A (en) * | 2016-12-19 | 2017-04-26 | 华能国际电力股份有限公司玉环电厂 | Onsite display instrument-based GIS sulfur hexafluoride density online monitoring system |
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Owner name: STATE ELECTRIC NET CROP. JIANGSU ELECTRIC POWER CO Effective date: 20120925 |
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Effective date of registration: 20120925 Address after: 214061 Jiangsu province Binhu District of Wuxi City Liangxi Road No. 12 Patentee after: Wuxi Power Supply Co., Ltd, Jiangsu Electric Power Co. Patentee after: State Grid Corporation of China Patentee after: Jiangsu Electric Power Company Address before: 214061 Jiangsu province Binhu District of Wuxi City Liangxi Road No. 12 Patentee before: Wuxi Power Supply Co., Ltd, Jiangsu Electric Power Co. |