CN205620035U - Temperature measurement alarm system that transformer substation is wireless - Google Patents
Temperature measurement alarm system that transformer substation is wireless Download PDFInfo
- Publication number
- CN205620035U CN205620035U CN201521038143.8U CN201521038143U CN205620035U CN 205620035 U CN205620035 U CN 205620035U CN 201521038143 U CN201521038143 U CN 201521038143U CN 205620035 U CN205620035 U CN 205620035U
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- wireless
- temperature
- module
- communication terminal
- temperature measurement
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- Arrangements For Transmission Of Measured Signals (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model relates to a temperature measurement alarm system that transformer substation is wireless. This system includes the wireless temperature transducer more than two that two at least above temperature measurement communication terminal and every temperature measurement communication terminal mate to and administrative center server, wireless temperature transducer passes through radio signal to be connected with temperature measurement communication terminal, and temperature measurement communication terminal and administrative center server are connected. The utility model has the advantages of the practicality is strong, and the practical function is outstanding, and low in cost.
Description
Technical field
This utility model relates to the technical field of high voltage device of transformer station running temperature monitoring, be specially a kind of transformer station without
Line thermometric warning system.
Background technology
The technology being currently used for the monitoring of high voltage device of transformer station running temperature is mainly infrared measurement of temperature and fiber-optic monitoring, infrared
Thermometric mainly passes through the imaging of high voltage electric equipment junction by infrared thermoviewer, owing to converting station high voltage electrical apparatus is many
Many, electromagnetic field intensity is big, and imager is difficult to accurate imaging, has greatly interfered with the accuracy of imaging, further, since infrared
Probe must keep enough safe distance with testee and it needs to the just surface to testee, and therefore, infrared measurement of temperature fills
Put and will be limited by high pressure equipment surrounding；Optical fiber temperature-measurement needs also exist for temperature sensor is directly installed on electrical equipment
In the cabinet of junction or closing, temperature sensor optical fiber is connected to optic fiber thermometer, and recycling fiber optic temperature temperature measurer leads to
Cross optical fiber transmission and carry out signal transmission.And optical fiber toughness, intensity are the highest, easily snap off, the most influenced by environmental temperature, throw
Enter cost high.
Utility model content
The purpose of this utility model is that a kind of transformer station of offer wireless temperature measurement alarm system, and it is practical, practical
Remarkably productive and cheap.
The technical solution of the utility model is:
This utility model one transformer station wireless temperature measurement alarm system, it is characterised in that: this system include at least two with
Upper thermometric communication terminal, and each thermometric communication terminal coupling two or more wireless temperature-measuring sensor and administrative center clothes
Business device；Wireless temperature-measuring sensor is connected with thermometric communication terminal by wireless signal, and thermometric communication terminal services with administrative center
Device connects；
Thermometric communication terminal is by single-chip microcomputer governor circuit, power circuit, serial communication circuit, wireless module, display module
Constitute；Power circuit connects each module respectively provides power supply output to each module, and the outfan of single-chip microcomputer governor circuit is by string
Port communications circuit connects wireless module, and is connected to management center server by wireless module, single-chip microcomputer governor circuit another
One outfan is connected to the input of display module, and wireless module one input receives defeated from the signal of wireless temperature-measuring sensor
Go out to single-chip microcomputer governor circuit；
Wireless temperature-measuring sensor is made up of power module, wireless control module, temperature collect module, and power module is given respectively
Wireless control module and temperature collect module are powered, and the outfan of the temperature sensing probe of temperature collect module is connected to wireless controlled
The input of molding block, the outfan of wireless control module is connected on the wireless module of thermometric communication terminal.
Wireless temperature-measuring sensor temperature measurement unit described in this utility model uses high-temperature ceramics material protection set parcel
Temperature-sensitive element, be attached in wireless temperature-measuring terminal device by the shielding line of anti-magnetic disturbance, simultaneously this device use too
Sun can be powered carrying out signal collection and transmission；
The power supply mould that its power module of wireless temperature-measuring sensor described in the utility model uses model to be BK20-500S24
Block；Wireless control module uses the monolithic wireless receiving and dispatching of the ISM frequency range being operated in 2.4GHz ~ 2.5GHz produced by NORDIC
Device chip nRF24L01；Temperature collect module uses model to be DS18B20.
Described thermometric communication terminal, its single-chip microcomputer governor circuit uses the minimum system that model is STC89C52 to be formed；
Display module uses LCD1602 liquid crystal display；USB power source circuit uses model to be the USB power source of MKS-0502000US, its
It is supplied to single-chip microcomputer and other modules, the P0 of LCD1602 display module data termination STC89C52 single-chip microcomputer by USB interface
Mouthful, RS, RW, E end connects the P2.0-P2.2 interface of single-chip microcomputer respectively.
Native system transmitting terminal use DS18B20 temperature sensor collecting temperature, through STC89C5C2 collection process data again by
NRF24L01 module is sent to receiving terminal.Initial configuration including DS18B20 and nRF24L01 module.
Native system receiving terminal uses the temperature data that nRF24L01 wireless module receiving end/sending end transmits, through single-chip microcomputer
STC85C522 shows on LCD1602 liquid crystal display.Including nRF24L01 module and LCD1602 liquid crystal display
Initialize.
Digital temperature sensor DS18B20 volume is less, it is wider, more economical to be suitable for voltage.Digital temperature sensor
DS1820 is the temperature sensor of first support in the world " one-wire bus " interface.One-wire bus is unique and the spy of economy
Point, makes user can easily set up sensor network, introduces novel concept for measuring the structure of system.DS18B20 supports " one
" interface, measure temperature range is-55 ° of C ~+125 ° C to line bus, and in the range of-10 ~+85 ° of C, precision is ± 0.5 ° of C.On-the-spot
Temperature directly being digitally transmitted with " one-wire bus ", substantially increases the anti-interference of system.
NRF24L01 is a new single chip radio-frequency receiving-transmitting device, works in 2.4 GHz～2.5 GHz ISM bands.In
Put the functional modules such as frequency synthesizer, power amplifier, crystal oscillator, manipulator, merge enhancement mode ShockBurst skill
Art, middle output and communication channel can be configured by program.NRF24L01 is low in energy consumption, with the power emission of-6 dBm
Time, make electric current and also only have 9 mA；In the time receiving, operating current only has 12.3 mA, multiple low-power working mode (power-down mode and sky
Not busy pattern) make energy-saving design more convenient.
This utility model is installed at Capacitor banks binding post.
Its work process is: wireless temperature-measuring sensor is by the temperature-sensing probe at Capacitor banks binding post and connects signal
The temperature that line will monitor, by circuit conversion signal, is converted to wireless signal temperature signal and sends out and be delivered to survey
Temperature communication terminal；Thermometric communication terminal timing cycle collects the wireless signal that wireless temperature-measuring sensor sends out, and passes through data
Change-over circuit restores wireless signal as digital temperature signal, by 485 output ports, data is sent to data management
On central server；Control data corporation server, by the database form of specialty, concentrates the temperature signal of each transformer station
Gathering and storage, the temperature signal of all websites will focus on control data corporation server and manage and configure.Data pipe
Reason central server show in real time and store the data of each monitoring point, even if if any temperature rise warning nobody is on duty can be timely
Warning message is sent to the mobile phone needing management personnel by GPRS SMS alarm main frame, will appreciate that temperature in the very first time
Degree situation of change.Management work station uses latticed form, installs corresponding in the computer of management personnel relevant in Unified Network
Software program, can be with the information of transformer stations all within range of management according to the responsibility of each department difference, by figure, row
The various forms such as table, history curve, real-time curve, warning monitor.
When system is properly functioning, operator on duty can monitor the operation of each monitoring point of Capacitor banks intuitively by client
Situation, sends out the operation information such as ruuning situation of the temperature of each junction of Capacitor banks each in transformer station, wireless temperature-measuring sensor
Deliver to transformer station's background computer or remote monitoring center system, transfer each monitoring point at any time at transformer station's background computer or Surveillance center
Real time data and historical record.When system exception runs, by the automatic contrast of real time data with history curve, logical in station
Cross the alarm function of wireless adjustment wireless temperature-measuring sensor, find in time a little.
Wireless temperature-measuring sensor is installed at Capacitor banks binding post.Wireless temperature-measuring sensor presses the cycle set temperature
Degrees of data is sent to temperature indicator, if during the temperature anomaly of monitoring point, wireless temperature-measuring sensor is not limited by the time limit, sends out immediately
Send temperature signal, alert in time.A probe is installed in each monitoring point of wireless temperature-measuring sensor, and each probe is corresponding unique
ID numbers, while temperature sensor is sent to transformer station's background computer or monitoring center the temperature of monitoring point, also probe
ID numbered transmission out, the probe that stored in advance by Memory Storage Unit and sensor ID are right with installation monitoring point
Should, automatically determine the temperature of each monitoring point.Each temperature measurement terminal 100 wireless temperature-measuring sensors of management, the ID of these sensors
Number configured in advance is needed to be saved in the flash of terminal.
The temperature data of monitoring point will automatically be sent by wireless temperature-measuring sensor by (equipment sets before the running) cycle, become
Power station background computer receives and automatically stores the temperature data of each monitoring point, by real time data and system history data, change song
The contrast of line is analyzed, design temperature alarm limit value, alerts the most immediately when, it is possible to access network carries out WEB issue.With
Conventional thermometric mode contrasts, it is to avoid misrepresent deliberately, report by mistake, prolong the phenomenon of report, judges electrical equipment by alarm and data query
The overheated duration of junction point, and the damaged condition of equipment.The temperature warning of equipment can be sent simultaneously on mobile phone, quickly carry out
Check at the scene, timely processing equipment defect, extension device service life, improve the stability that system is run.
The beneficial effects of the utility model are:
The beneficial effects of the utility model are: this utility model is practical, remarkably productive, and its advantage is passed through to adopt for (1)
With the self-service power supply of solar energy, use resistant detector that the temperature at Capacitor banks binding post is sent to service reliably in real time
On device and be monitored, it is ensured that Capacitor banks binding post temperature is in the range of can limiting, it is ensured that equipment safety and stability is transported
OK, comparing and do not install the situation of this device additional and compare, temperature alarming promptness, reliability can all be had by the application of this device
Significantly improve, warning accuracy 100%, can effectively, accurate measurements capacitor heating binding post, reduce trouble shoot
Time, improve the efficiency that equipment deficiency processes, according to Capacitor banks loss of outage benefit 100,000 yuan of meters, power off time per hour
Being shortened to 1 hour by original average 6 hours, defect processing lost revenue reduces 500,000 yuan, it is seen then that grid benefit is bright
Aobvious.(2) it addition, after installing this device additional, it is possible to effectively prevention Capacitor banks causes grid equipment to be jumped because of heating fusing binding post
The generation of lock event, it is ensured that equipment safe and stable operation, improves operation of power networks reliability.
This utility model device uses sensing technology, wireless communication technique the temperature of high voltage electric equipment to be carried out signal and turns
Changing and transmit, it has the advantages that dielectric strength is high, anti-electromagnetic interference capability is strong, is well suited in high voltage electric equipment high temperature contact
Place carries out temperature and monitors in real time, is not retrained by monitored equipment environment, is transmitted by wireless signal mode, safe insulation, makes
Valency is cheap.
Accompanying drawing explanation
Fig. 1 is the functional-block diagram of this utility model embodiment；
Fig. 2 is the functional-block diagram of thermometric communication terminal described in this utility model embodiment；
Fig. 3 is the functional-block diagram of wireless temperature-measuring sensor described in this utility model embodiment；
Fig. 4 is the workflow of this utility model embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is elaborated
As shown in accompanying drawing 1,2,3, this utility model one transformer station wireless temperature measurement alarm system includes more than at least two
Thermometric communication terminal, and each thermometric communication terminal coupling more than two wireless temperature-measuring sensors and administrative center service
Device；Wireless temperature-measuring sensor is connected with thermometric communication terminal by wireless signal, thermometric communication terminal and management center server
Connect,
Thermometric communication terminal is by single-chip microcomputer governor circuit, power circuit, serial communication circuit, wireless module, display module
Constitute；Power circuit connects each module respectively provides power supply output to each module, and the outfan of single-chip microcomputer governor circuit is by string
Port communications circuit connects wireless module, and is connected on management center server by wireless module, single-chip microcomputer governor circuit
Another outfan is connected to the input of display module；
Wireless temperature-measuring sensor is made up of power module, wireless control module, temperature collect module, and power module is given respectively
Wireless control module and temperature collect module are powered, and the outfan of the temperature sensing probe of temperature collect module is connected to wireless controlled
The input of molding block, the outfan of wireless control module is connected to the input of management center server.
Wireless temperature-measuring sensor temperature measurement unit described in this utility model uses high-temperature ceramics material protection set parcel
Temperature-sensitive element, be attached in wireless temperature-measuring terminal device by the shielding line of anti-magnetic disturbance, simultaneously this device use too
Sun can be powered carrying out signal collection and transmission；
Its power module of wireless temperature-measuring sensor described in the utility model employing model: BK20-500S24 power module: by
Solaode provides+5V high level, and Power interface accesses, and is+3.3V level through LM1117 blood pressure lowering, and module provides high electricity
Flat.P0.0 P0.7 connects digital pipeline section and selects end D0-D7.)；
Wireless module control module: wireless module is controlled to be operated in 2.4GHz ~ 2.5GHz by what NORDIC produced by P2 mouth
Monolithic wireless transceiver chip nRF24L01 of ISM frequency range.
Temperature collect module uses model to be that DS18B20: temperature acquisition is terminated into single-chip microcomputer P3.3 by DS18B20 I/O
Mouthful.Single-chip minimum system: X1, X2 connect outside oscillating circuit, RESET terminates reset circuit, and EA terminates；
Thermometric communication terminal is by single-chip microcomputer governor circuit, USB power source circuit, serial communication circuit, wireless module, display mould
Block is constituted；
Described single-chip microcomputer governor circuit uses the minimum system that model is STC89C52 to be formed；Display module uses
LCD1602 liquid crystal display；USB power source circuit uses model to be MKS-0502000US；+ 5V power supply is supplied to list by USB interface
Sheet machine and other modules, the P0 mouth of LCD1602 display module data termination STC89C52 single-chip microcomputer, the order respectively of RS, RW, E end
The P2.0-P2.2 interface of sheet machine.
Native system transmitting terminal use DS18B20 temperature sensor collecting temperature, through STC89C5C2 collection process data again by
NRF24L01 module is sent to receiving terminal.Initial configuration including DS18B20 and nRF24L01 module.
Native system receiving terminal uses the temperature data that nRF24L01 wireless module receiving end/sending end transmits, through single-chip microcomputer
STC85C522 shows on LCD1602 liquid crystal display.Including nRF24L01 module and LCD1602 liquid crystal display
Initialize.
Digital temperature sensor DS18B20 volume is less, it is wider, more economical to be suitable for voltage.Digital temperature sensor
DS1820 is the temperature sensor of first support in the world " one-wire bus " interface.One-wire bus is unique and the spy of economy
Point, makes user can easily set up sensor network, introduces novel concept for measuring the structure of system.DS18B20 supports " one
" interface, measure temperature range is-55 ° of C ~+125 ° C to line bus, and in the range of-10 ~+85 ° of C, precision is ± 0.5 ° of C.On-the-spot
Temperature directly being digitally transmitted with " one-wire bus ", substantially increases the anti-interference of system.
NRF24L01 is a new single chip radio-frequency receiving-transmitting device, works in 2.4 GHz～2.5 GHz ISM bands.In
Put the functional modules such as frequency synthesizer, power amplifier, crystal oscillator, manipulator, merge enhancement mode ShockBurst skill
Art, middle output and communication channel can be configured by program.NRF24L01 is low in energy consumption, with the power emission of-6 dBm
Time, make electric current and also only have 9 mA；In the time receiving, operating current only has 12.3 mA, multiple low-power working mode (power-down mode and sky
Not busy pattern) make energy-saving design more convenient.
Its work process of this utility model is as shown in Figure 4: wireless temperature-measuring sensor passes through Capacitor banks binding post
The temperature that the temperature-sensing probe at place and connection holding wire will monitor, by circuit conversion signal, is converted to temperature signal wireless
Signal also sends out and is delivered to thermometric communication terminal；Thermometric communication terminal timing cycle is collected wireless temperature-measuring sensor and is sent out
The wireless signal come, restores wireless signal as digital temperature signal by data converting circuit, by 485 output port handles
Data send to control data corporation server；Control data corporation server, by the database form of specialty, each
The temperature signal concentrated collection of transformer station and storage, the temperature signal of all websites will focus on control data corporation server
Manage and configure.Control data corporation server shows in real time and stores the data of each monitoring point, reports to the police i.e. if any temperature rise
Make that nobody is on duty can be sent warning message in the mobile phone needing management personnel by GPRS SMS alarm main frame in time,
Temperature variations is will appreciate that in the very first time.Management work station uses latticed form, management relevant in Unified Network
Installing corresponding software program in the computer of personnel, the responsibility difference according to each department can be with power transformations all within range of management
The information stood, is monitored by various forms such as figure, list, history curve, real-time curve, warnings.
When system is properly functioning, operator on duty can monitor the operation of each monitoring point of Capacitor banks intuitively by client
Situation, sends out the operation information such as ruuning situation of the temperature of each junction of Capacitor banks each in transformer station, wireless temperature-measuring sensor
Deliver to transformer station's background computer or remote monitoring center system, transfer each monitoring point at any time at transformer station's background computer or Surveillance center
Real time data and historical record.When system exception runs, by the automatic contrast of real time data with history curve, logical in station
Cross the alarm function of wireless adjustment wireless temperature-measuring sensor, find in time a little.
Wireless temperature-measuring sensor is mainly made up of 3 unit, respectively temperature measurement unit, wireless transmission unit and control
Unit, installs at Capacitor banks binding post.Wireless temperature-measuring sensor is sent to temperature by the cycle set temperature data
Display instrument, if during the temperature anomaly of monitoring point, wireless temperature-measuring sensor is not limited by the time limit, sends temperature signal immediately, in time
Alarm.A probe, and the corresponding unique ID numbering of each probe, temperature sensing are installed in each monitoring point of wireless temperature-measuring sensor
While device is sent to transformer station's background computer or monitoring center the temperature of monitoring point, also the ID numbered transmission of probe is gone out
Coming, the probe and the sensor ID that are stored in advance by Memory Storage Unit are corresponding with installation monitoring point, automatically determine each
The temperature of monitoring point.Each temperature measurement terminal 100 wireless temperature-measuring sensors of management, No. ID needs configured in advance of these sensors
It is saved in the flash of terminal.
The temperature data of monitoring point will automatically be sent by wireless temperature-measuring sensor by (equipment sets before the running) cycle, become
Power station background computer receives and automatically stores the temperature data of each monitoring point, by real time data and system history data, change song
The contrast of line is analyzed, design temperature alarm limit value, alerts the most immediately when, it is possible to access network carries out WEB issue.With
Conventional thermometric mode contrasts, it is to avoid misrepresent deliberately, report by mistake, prolong the phenomenon of report, judges electrical equipment by alarm and data query
The overheated duration of junction point, and the damaged condition of equipment.The temperature warning of equipment can be sent simultaneously on mobile phone, quickly carry out
Check at the scene, timely processing equipment defect, extension device service life, improve the stability that system is run.
Claims (3)
1. transformer station's wireless temperature measurement alarm system, it is characterised in that: this system includes more than at least two thermometric communications eventually
End, and each thermometric communication terminal coupling two or more wireless temperature-measuring sensor and management center server；Wireless temperature measurement
Sensor is connected with thermometric communication terminal by wireless signal, and thermometric communication terminal is connected with management center server；
Thermometric communication terminal is made up of single-chip microcomputer governor circuit, power circuit, serial communication circuit, wireless module, display module；
Power circuit connects each module respectively provides power supply output to each module, and the outfan of single-chip microcomputer governor circuit passes through serial communication
Circuit connects wireless module, and is connected to management center server by wireless module, another output of single-chip microcomputer governor circuit
End is connected to the input of display module, and the signal that wireless module one input receives from wireless temperature-measuring sensor exports list
Sheet machine governor circuit；
Wireless temperature-measuring sensor is made up of power module, wireless control module, temperature collect module, and power module is given wireless respectively
Control module and temperature collect module are powered, and the outfan of the temperature sensing probe of temperature collect module is connected to wireless controlled molding
The input of block, the outfan of wireless control module is connected on the wireless module of thermometric communication terminal.
A kind of transformer station the most according to claim 1 wireless temperature measurement alarm system, it is characterised in that: described wireless temperature measurement passes
The temperature acquisition mould of sensor is provided with high-temperature ceramics material protection set and is wrapped in outside temperature-sensitive element, is entered by the shielding line of anti-magnetic disturbance
Row is connected in wireless temperature-measuring terminal device, and this device is equipped with solar power supply apparatus simultaneously.
A kind of transformer station the most according to claim 1 wireless temperature measurement alarm system, it is characterised in that:
(1), described wireless temperature-measuring sensor, its power module use model BK20-500S24；Temperature collect module uses model
For DS18B20；
(2) described thermometric communication terminal, wherein single-chip microcomputer governor circuit uses the minimum system that model is STC89C52 to be formed；
Display module uses model to be the liquid crystal display of LCD1602；Power circuit uses model to be MKS-0502000US；Wireless mould
Block uses model to be nRF24L01.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521038143.8U CN205620035U (en) | 2015-12-15 | 2015-12-15 | Temperature measurement alarm system that transformer substation is wireless |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521038143.8U CN205620035U (en) | 2015-12-15 | 2015-12-15 | Temperature measurement alarm system that transformer substation is wireless |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205620035U true CN205620035U (en) | 2016-10-05 |
Family
ID=57033192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521038143.8U Expired - Fee Related CN205620035U (en) | 2015-12-15 | 2015-12-15 | Temperature measurement alarm system that transformer substation is wireless |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205620035U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371970A (en) * | 2015-12-15 | 2016-03-02 | 国家电网公司 | Substation wireless temperature measuring alarm system |
-
2015
- 2015-12-15 CN CN201521038143.8U patent/CN205620035U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371970A (en) * | 2015-12-15 | 2016-03-02 | 国家电网公司 | Substation wireless temperature measuring alarm system |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161005 Termination date: 20161215 |