CN206074144U - Temperature of oil in transformer remote monitoring device based on Internet of Things - Google Patents
Temperature of oil in transformer remote monitoring device based on Internet of Things Download PDFInfo
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- CN206074144U CN206074144U CN201620889161.5U CN201620889161U CN206074144U CN 206074144 U CN206074144 U CN 206074144U CN 201620889161 U CN201620889161 U CN 201620889161U CN 206074144 U CN206074144 U CN 206074144U
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Abstract
A kind of temperature of oil in transformer remote monitoring device based on Internet of Things, thermal resistance temperature sensor are positioned over monitoring position；Thermal resistance temperature sensor is connected with field monitoring terminal；Described field monitoring terminal will be that resistance value is converted into standard current signal first measured by thermal resistance temperature sensor, then current signal is converted into voltage signal, be converted into the digital signal for uploading is gathered by DSP；There is the output port of a RS485 signal in field monitoring terminal, the RS485 signal output ports shielded cable of field monitoring terminal and DTU equipment are linked together；Described DTU equipment is that remote information sends and receiving terminal.This utility model can be concentrated to distributed transformator and is monitored, transformer oil dynamic temperature is obtained in real time, exactly can, the failure of cooling system is monitored in time, transformer insulated life-span and transformer load rate are rationally utilized, the state of every transformator can be monitored by computer or mobile phone remote.
Description
Technical field
This utility model is related to Internet of Things and remotely monitors field, and specifically a kind of temperature of oil in transformer based on Internet of Things is long-range
Monitoring device.
Background technology
The fast development of Chinese national economy so that modern power system is towards bulk power grid, Large Copacity, high-tension side
To transformation, increasing electrical equipment is used.In the various electrical equipments of power system, transformator is set as a kind of key
Standby, it mainly completes the transmission work of voltage, the conversion of electric current and energy, and its operation troubles is not only related to the reliability of power supply
Property, and seriously threaten the operation safety of power system.Therefore, transformer fault diagnosis technology is studied, improves transformator
Operation and maintenance level, is a problem with Great significance and practical value in power system.
As transformer maintenance cost is very high, therefore the on-line monitoring to transformator seems increasingly important.But transformator
It is not intensive work, but is dispersed in each local independent operating in a distributed fashion, therefore personal monitoring's workload
Huge and information delay.Therefore Internet of Things is combined, designs the remote monitoring device of a set of transformator, it is possible to achieve distributed
Remote centralized is monitored, and such that it is able to convenient discovery failure also much sooner, allows transformator more to stablize the work of safety.
Transformer oil is the important component part of transformator, is the dielectric and heat eliminating medium of transformator.Transformer oil
Temperature is an important indicator of transformer safety operation, is the synthesises of transformer station high-voltage side bus environment, load level, internal condition
It is existing, while oil temperature also directly influences the insulation life of transformator.For this purpose, by monitoring to temperature of oil in transformer, can find in time
With exclusion transformer core, coil, cooling system failure, the safety and reliability of transformator is improved.While transformer manufacturing
Producer by sharing Monitoring Data, analysis product quality and manufacturing process, for product design optimization and process modification provide according to
According to.
Utility model content
Due to transformator it is particularly critical in the various electrical equipments of power system, thus to transformer safety parameter, such as oil
The on-line monitoring of temperature is particularly significant.It is not intensive work for transformator, personal monitoring's workload is huge and information delay.
This utility model utilizes Internet of Things, designs a set of device that long-range monitoring can be carried out to the oil temperature of transformator.The device can be straight
Connect, in real time, the oil temperature of monitor transformator, and which be analyzed compare, find latent fault early, provide alert,
Avoid the generation of accident.
The technical solution adopted in the utility model is：A kind of temperature of oil in transformer remote monitoring device based on Internet of Things, should
Long-range monitoring of the device for temperature of oil in transformer, including thermal resistance temperature sensor, field monitoring terminal, shielded cable, power supply,
DTU equipment, Internet of Things server, remote monitoring terminal；Described thermal resistance temperature sensor is positioned over monitoring position (such as transformation
On the case lid of device, for measuring transformer top-oil temperature).Thermal resistance temperature sensor is connected with field monitoring terminal.Institute
The field monitoring terminal stated will be that resistance value is converted into standard current signal first measured by thermal resistance temperature sensor, then by electricity
Stream signal is converted into voltage signal, voltage analog signal after filtering, amplify, A/D conversions, being converted into can be by DSP collection
The digital signal of biography.There is the output port of a RS485 signal in field monitoring terminal, the RS485 of field monitoring terminal is believed
Number output port shielded cable is linked together with DTU equipment.Described DTU equipment is that remote information sends and receives eventually
End, it is the wireless transmission terminal based on GPRS technologies, is connected to transformer field monitoring terminal and remote web server, makes
Monitoring information being capable of smooth arrival remote monitoring center.
Using shielded cable mainly for preventing the interference of other signals, it is ensured that the accuracy of collection signal.DTU equipment with
It is to be transmitted by wireless signal between Internet of Things server.
When being embodied as, described Internet of Things server is a fixed information service maincenter, by transformer field
Monitoring information is stored and is dispatched, while providing data buffer zone, Internet of Things server and long-range prison for remote monitoring terminal
Survey and be transmitted by wireless signal or the Internet between terminal.
When being embodied as, above-mentioned remote monitoring terminal is computer or mobile phone.
Compared with prior art, this utility model beneficial effect is：
1st, distributed transformator can be concentrated and is monitored, save a large amount of manpower and materials.
2nd, transformer oil dynamic temperature can be obtained in real time, exactly.
3rd, the failure of cooling system is monitored in time.
4th, transformer insulated life-span and transformer load rate are rationally utilized.
5th, the state of every transformator can be monitored by computer or mobile phone remote, once abnormal data occur can be with
Carry out at once stopping transport, overhaul, reduce loss.
6th, Monitoring Data can be shared by the manufacturing firm of the transformator, the after-sale service and optimization design for product provide according to
According to.
7th, simple structure, it is easy to operate.
Description of the drawings
Fig. 1 is schematic diagram of this utility model based on the temperature of oil in transformer remote monitoring device of Internet of Things.
In figure：Thermal resistance temperature sensor 1, field monitoring terminal 2, shielded cable 3, power supply 4, DTU equipment 5, Internet of Things
Server 6, computer 7, mobile phone 8.
Specific embodiment
This utility model embodiment is elaborated with reference to Fig. 1：
As shown in figure 1, as shown in figure 1, the present invention includes thermoelectricity based on the temperature of oil in transformer remote monitoring device of Internet of Things
Resistance temperature sensor 1, field monitoring terminal 2, shielded cable 3, power supply 4, DTU equipment 5, Internet of Things server 6, long-range monitoring is eventually
End 7.Described thermal resistance temperature sensor 1 is placed on into monitoring position, such as on the case lid of transformator, for measuring transformer
Top-oil temperature.Thermal resistance temperature sensor 1 is connected with field monitoring terminal 2.Described field monitoring terminal 2 is by thermal resistance temperature
The resistance value of degree sensor 1 is converted into standard current signal, then current signal is converted into voltage signal, voltage analog signal Jing
Cross filtering, amplify, A/D conversions are converted into the digital signal for uploading is gathered by DSP.There is one in field monitoring terminal 2
The output port of RS485 signals, RS485 signal output ports shielded cable 3 and the DTU equipment 5 of field monitoring terminal 2 are connected
It is connected together.Described DTU equipment 5 is that remote information sends and receiving terminal, and it includes RS485 interfaces, GPRS modulation /demodulation
Device, SIM, SIM are inserted in the sim card slot of GPRS modems, and it is the wireless transmission terminal based on GPRS technologies, even
Transformer field monitoring terminal 2 and Internet of Things server 6 have been connect, the smooth arrival remote monitoring center of monitoring information has been enable.Make
With shielded cable 3 mainly for preventing the interference of other signals, it is ensured that the accuracy of collection signal.Meanwhile, monitor at the scene eventually
Also port is connection power supply 4 on end 2, after being only powered, field monitoring terminal 2 could normal work.DTU equipment 5 is gathered
Signal will be wirelessly transmitted in Internet of Things server 6 by GPRS to after signal, described Internet of Things server 6 is one
The monitoring information of transformer field is stored and is dispatched by the information service maincenter of individual fixation, while being remote monitoring terminal
Data buffer zone is provided, described remote monitoring terminal can be computer 7 or mobile phone 8.
The course of work of the present invention is as follows：During work, described thermal resistance temperature sensor 1 is placed on into monitoring position,
On the case lid of transformator, for measuring transformer top-oil temperature.Thermal resistance temperature sensor 1 and 2 phase of field monitoring terminal
Connection.The resistance value of thermal resistance temperature sensor 1 is converted into standard current signal by described field monitoring terminal 2, then by electricity
Stream signal is converted into voltage signal, voltage analog signal after filtering, amplify, A/D conversions, being converted into can be by DSP collection
The digital signal of biography.There is the output port of a RS485 signal in field monitoring terminal 2, by the RS485 of field monitoring terminal 2
Signal output port shielded cable 3 is linked together with DTU equipment 5.Described DTU equipment 5 is that remote information sends and connects
Terminal is received, it includes RS485 interfaces, and GPRS modems, SIM, SIM are inserted in the sim card slot of GPRS modems
In, it is the wireless transmission terminal based on GPRS technologies, is connected to transformer field monitoring terminal 2 and Internet of Things server 6, makes
Monitoring information being capable of smooth arrival remote monitoring center.Using shielded cable 3 mainly for preventing the interference of other signals, it is ensured that
The accuracy of collection signal.Meanwhile, also there is port to be connection power supply 4 at the scene on monitoring terminal 2, after being only powered, scene
Monitoring terminal 2 could normal work.Signal will be wirelessly transmitted to Internet of Things by GPRS after collecting signal by DTU equipment 5
In network server 6, described Internet of Things server 6 is a fixed information service maincenter, and the monitoring of transformer field is believed
Breath is stored and is dispatched, while providing data buffer zone for remote monitoring terminal, described remote monitoring terminal can be meter
Calculation machine or mobile phone.When Internet of Things server 6 sends signal to DTU equipment 5, DTU equipment 5 receives Internet of Things server 6
After signal, DTU equipment 5 will read the depositor ground of the RS485 oil temperature signals from 2 output port of field monitoring terminal out
Location, then DTU equipment 5 oil temperature corresponding to register address is sent to by Internet of Things server 6 by SIM, Internet of Things clothes
Signal is analyzed process by business device 6 again, and finally oil temperature signal is sent in remote monitoring terminal, can thus calculated
Now temperature of oil in transformer is seen on machine 7 or mobile phone 8, realize the long-range monitoring to temperature of oil in transformer.
Above-described embodiment be to explanation of the present utility model, be not to restriction of the present utility model, it is any new in this practicality
Structure on the basis of type after simple transformation belongs to protection domain of the present utility model.
Claims (3)
1. a kind of temperature of oil in transformer remote monitoring device based on Internet of Things, the device are used for the long-range monitoring of temperature of oil in transformer,
Including thermal resistance temperature sensor, field monitoring terminal, shielded cable, power supply, DTU equipment, Internet of Things server are long-range to monitor
Terminal；Described thermal resistance temperature sensor is positioned over monitoring position；Thermal resistance temperature sensor is connected with field monitoring terminal
Connect；Described field monitoring terminal will be that resistance value is converted into standard current signal first measured by thermal resistance temperature sensor,
Current signal is converted into into voltage signal again, voltage analog signal after filtering, amplify, A/D conversions, being converted into can be by DSP
The digital signal that collection is uploaded；There is the output port of a RS485 signal in field monitoring terminal, by field monitoring terminal
RS485 signal output ports shielded cable is linked together with DTU equipment；Described DTU equipment be remote information send with
Receiving terminal, it is the wireless transmission terminal based on GPRS technologies, is connected to transformer field monitoring terminal and takes with telecommunication network
Business device, enables the smooth arrival remote monitoring center of monitoring information.
2. a kind of temperature of oil in transformer remote monitoring device based on Internet of Things according to claim 1, it is characterised in that：Institute
The Internet of Things server stated is a fixed information service maincenter, and the monitoring information of transformer field is stored and adjusted
Degree, while providing data buffer zone for remote monitoring terminal, is by wireless between Internet of Things server and remote monitoring terminal
What signal or the Internet were transmitted.
3. a kind of temperature of oil in transformer remote monitoring device based on Internet of Things according to claim 2, it is characterised in that：Institute
Remote monitoring terminal is stated for computer or mobile phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620889161.5U CN206074144U (en) | 2016-08-15 | 2016-08-15 | Temperature of oil in transformer remote monitoring device based on Internet of Things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620889161.5U CN206074144U (en) | 2016-08-15 | 2016-08-15 | Temperature of oil in transformer remote monitoring device based on Internet of Things |
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| CN206074144U true CN206074144U (en) | 2017-04-05 |
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| CN201620889161.5U Active CN206074144U (en) | 2016-08-15 | 2016-08-15 | Temperature of oil in transformer remote monitoring device based on Internet of Things |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052894A (en) * | 2016-08-15 | 2016-10-26 | 浙江江山变压器股份有限公司 | Transformer oil temperature remote monitoring device based on IOT (Internet of Things) |
-
2016
- 2016-08-15 CN CN201620889161.5U patent/CN206074144U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052894A (en) * | 2016-08-15 | 2016-10-26 | 浙江江山变压器股份有限公司 | Transformer oil temperature remote monitoring device based on IOT (Internet of Things) |
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