CN207248418U - A kind of GIS internal pressure monitoring devices based on wireless communication - Google Patents
A kind of GIS internal pressure monitoring devices based on wireless communication Download PDFInfo
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- CN207248418U CN207248418U CN201720789788.8U CN201720789788U CN207248418U CN 207248418 U CN207248418 U CN 207248418U CN 201720789788 U CN201720789788 U CN 201720789788U CN 207248418 U CN207248418 U CN 207248418U
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- wireless communication
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Abstract
It the utility model is related to a kind of GIS internal pressure monitoring devices based on wireless communication, including pressure sensor, A/D converter, microcontroller, wireless communication interface, wireless communication unit, watchdog circuit, monitoring room microcontroller, gsm module, series resistor, light warning etc..The utility model can ensure preferable extraction pressure signal in system normal condition；Pressure can be with effective Feedback fault message when excessive；The application of GSM, makes device in the case where not establishing new communications network, ensures the transmission information almost without error code.
Description
Technical field
The utility model belongs to electrical equipment technical field, more particularly to pressure inside a kind of GIS based on wireless communication
Power monitoring device.
Background technology
In substation equipment, high pressure gas insulation metal sealing switch equipment (GIS) is due to reliability height, taking up an area
Area is small, the advantages that being influenced from external environmental condition, is widely applied in power grid construction.GIS uses SF6 gases
As dielectric, all component of high voltage electrical apparatus are sealed in grounded metal cylinder.GIS is in the process of work, its gas pressure
Power must assure that in certain scope, since GIS devices are installed under open-air conditions, there are SF6 gases in working long hours
The problem of leakage, when air pressure is reduced to certain scope, can influence the insulation effect of switchgear, equipment can be caused when serious
Failure and system safety.SF6 gases are one kind of global warming gas, the gas in limiting emission to air.In order to ensure
The normal operation of equipment is, it is necessary to the gas pressure of periodic monitor GIS.GIS is provided with air gauge and punching on sealed cylinder block at present
Pressure pipe joint.Operating personnel periodically must carry out Pressure monitoring, it is necessary to which staff is in height by the way of manual site inquires about
Execute-in-place is pressed, dangerous big, reliability is low.Thus, it is necessary to utilize the GIS internal pressure monitoring devices based on wireless communication
Instead of the execute-in-place of staff.
Utility model content
The utility model provides a kind of sends GIS internal pressures to monitoring room computer based on the mode of wireless communication
On-line monitoring and the pressure monitor system of early warning are carried out, realizes data transmission so as to fulfill online based on the SMS in gsm system
The purpose of monitoring.
Technical solution is used by the utility model：GIS internal pressure monitoring devices based on wireless communication, including pressure
Force snesor, A/D converter, microcontroller, wireless communication interface, wireless communication unit, house dog, monitoring room microcontroller, GSM
Module, series resistor, light warning etc.
A kind of GIS internal pressure monitoring devices based on wireless communication, it is characterised in that including by sequentially connected pressure
Sensor, analog-digital converter, microcontroller, the pressure measurement cell of wireless communication interface composition；Pressure measurement cell and channel radio
Believe unit connection；Wireless communication unit is connected in parallel to the input terminal of monitoring room microcontroller with watchdog circuit；Control room monolithic
The output terminal of machine is connected with gsm module；Series resistance is connected to control room list with light alarming device as protection circuit parallel
The output terminal of piece machine.
In a kind of above-mentioned GIS internal pressure monitoring devices based on wireless communication, the pressure sensor is installed on
Pressure monitoring point on GIS inner walls, pressure signal transmission is given to the microcontroller being installed near GIS outer walls through analog-digital converter,
The pressure signal of pressure sensor is exported and will pressed by radiofrequency signal to wireless communication interface, wireless communication interface by microcontroller
Force data passes to the wireless communication unit positioned at GIS monitoring rooms by wireless data communication passage, and pressure data is passed afterwards
It is handed to monitoring room microcontroller.
In a kind of above-mentioned GIS internal pressure monitoring devices based on wireless communication, the model of pressure sensor is
BP800；The model of A/D converters is AD7771；The model of GIS sides microcontroller is 80C196；The model of wireless communication unit is
Si4432；Watchdog circuit uses MSP430-1232 chips；The model of monitoring room microcontroller is 80C196；The model of gsm module
It is TC35i；Series resistor is 10 Ω linear resistances；The model of visual alarm is HL26-HLD-300B.
Compared with prior art, the utility model can ensure preferable extraction pressure signal in system normal condition；
Pressure can be with effective Feedback fault message when excessive；The application of GSM, makes device in the case where not establishing new communications network, protects
Demonstrate,prove the transmission information almost without error code.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the electrical connection diagram of the utility model.
Fig. 3 is the watchdog circuit topological structure schematic diagram of the utility model.
Embodiment
Understand for the ease of those of ordinary skill in the art and implement the utility model, it is right with reference to the accompanying drawings and embodiments
The utility model is described in further detail, it will be appreciated that implementation example described herein is only used for describing and explaining this
Utility model, is not used to limit the utility model.In figure：1st, pressure sensor, 2, A/D converter, 3, microcontroller, 4, nothing
Line communication interface, 5, pressure measurement cell, 6, wireless communication unit, 7, house dog, 8, monitoring room microcontroller, 9, gsm module,
10th, series resistor, 11, light alarming device
Such as Fig. 1, pressure sensor is placed on GIS inner walls, pressure sensor is through analog-digital converter by pressure signal transmission
To microcontroller, pressure measurement cell, into row data communication, and then realizes pressure by wireless communication interface and monitoring room microcontroller
On-line monitoring process.Watchdog circuit, using MSP430-1232 chips, circuit topology is as shown in Figure of description 2, input
Terminate 80C196 microcontrollers；Including series resistor and signal alarm, series resistor is 10 Ω linear resistances, and signal alarm selects
With model HL26-HLD-300B.
Such as Fig. 2, the pressure sensor 1 of the pressure monitoring point on GIS inner walls passes pressure signal through analog-digital converter 2
The microcontroller 3 near GIS outer walls is passed, microcontroller exports the pressure signal of pressure sensor to wireless communication interface 4,
Pressure sensor 1, analog-digital converter 2, microcontroller 3, wireless communication interface 4 collectively constitute the pressure measurement list near GIS
Member 5.Pressure data is passed through wireless data communication passage by the wireless communication interface 4 in pressure measurement cell 5 by radiofrequency signal
The wireless communication unit 6 positioned at GIS monitoring rooms is passed to, pressure data is passed to monitoring room microcontroller 8 afterwards.Daily
Some designated time, control room microcontroller control GSM 9 actively use the measured value that one or several short message is reported one day.Work as appearance
During fault value, system starts actively sends warning message to the GSM of control room by light alarming device 11.Meanwhile Ke Yijie
The down-transmitting data order of host computer is received, passively sends information.Series control circuit determines input electricity according to the data monitored
Whether resistance 10, metering function is played, using watchdog circuit 7, ensures system reset after program fleet.
Utility model needs the hardware and its connection structure of foregoing description to be protected, the processing method for being related to signal
And process, it is to explain the operation principle of the hardware configuration of the utility model, be not belonging to the scope of protection of the utility model, adopt
After the hardware connection structure of the utility model, the process of signal processing can be achieved by the prior art.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Described specific embodiment can be done various modifications or additions or using similar by belonging to those skilled in the art
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (3)
1. a kind of GIS internal pressure monitoring devices based on wireless communication, it is characterised in that including being passed by sequentially connected pressure
Sensor, analog-digital converter, microcontroller, the pressure measurement cell of wireless communication interface composition；Pressure measurement cell and wireless communication
Unit connects；Wireless communication unit is connected in parallel to the input terminal of monitoring room microcontroller with watchdog circuit；Control room microcontroller
Output terminal be connected with gsm module；Series resistance is connected to control room monolithic with light alarming device as protection circuit parallel
The output terminal of machine.
A kind of 2. GIS internal pressure monitoring devices based on wireless communication according to claim 1, it is characterised in that institute
The pressure sensor stated is installed on the pressure monitoring point on GIS inner walls, is installed on pressure signal transmission through analog-digital converter
The pressure signal of pressure sensor is exported and connect to wireless communication interface, wireless communication by the microcontroller near GIS outer walls, microcontroller
Mouthful by radiofrequency signal, pressure data is passed to by wireless data communication passage to the wireless communication list positioned at GIS monitoring rooms
Member, afterwards pressure data be passed to monitoring room microcontroller.
A kind of 3. GIS internal pressure monitoring devices based on wireless communication according to claim 1, it is characterised in that pressure
The model of force snesor is BP800；The model of A/D converter is AD7771；The model of GIS sides microcontroller is 80C196；
The model of wireless communication unit is Si4432；Watchdog circuit uses MSP430-1232 chips；The type of monitoring room microcontroller
Number it is 80C196；The model of gsm module is TC35i；Series resistor is 10 Ω linear resistances；The model of visual alarm is
HL26-HLD-300B。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720789788.8U CN207248418U (en) | 2017-06-29 | 2017-06-29 | A kind of GIS internal pressure monitoring devices based on wireless communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720789788.8U CN207248418U (en) | 2017-06-29 | 2017-06-29 | A kind of GIS internal pressure monitoring devices based on wireless communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207248418U true CN207248418U (en) | 2018-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720789788.8U Active CN207248418U (en) | 2017-06-29 | 2017-06-29 | A kind of GIS internal pressure monitoring devices based on wireless communication |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114166411A (en) * | 2021-02-12 | 2022-03-11 | 李松 | Real-time monitoring device for pressure of gas chamber of GIS (gas insulated switchgear) |
-
2017
- 2017-06-29 CN CN201720789788.8U patent/CN207248418U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114166411A (en) * | 2021-02-12 | 2022-03-11 | 李松 | Real-time monitoring device for pressure of gas chamber of GIS (gas insulated switchgear) |
| CN114166411B (en) * | 2021-02-12 | 2024-03-08 | 李松 | Real-time monitoring device for pressure of gas chamber of GIS equipment |
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