CN206002975U - A kind of device that transformator is carried out with gas pressure on-line monitoring and automatic inflating device - Google Patents
A kind of device that transformator is carried out with gas pressure on-line monitoring and automatic inflating device Download PDFInfo
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- CN206002975U CN206002975U CN201621052454.4U CN201621052454U CN206002975U CN 206002975 U CN206002975 U CN 206002975U CN 201621052454 U CN201621052454 U CN 201621052454U CN 206002975 U CN206002975 U CN 206002975U
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Abstract
This utility model is related to a kind of device that transformator is carried out with gas pressure on-line monitoring and automatic inflating device, is connected between caisson and oil tank of transformer, including pressure-detecting device, pressure-regulating device and control unit；Described pressure-regulating device includes the gas pipeline being connected between caisson and oil tank of transformer, and gas pipeline is connected with turn decompression barostat, inflation electromagnetic valve, pressure relief valve；The electrical connection control unit of described pressure-detecting device, inflation electromagnetic valve and pressure relief valve.This utility model avoids the deficiency of traditional making-up air device, achieve the pressure state of on-line monitoring gas cylinder and oil tank of transformer, obtain the operation information of making-up air device in real time, and realize showing in real time, the function such as upload, Realtime Alerts, real-time release in real time, the either safe transportation aspect of collateral security transformator, or saving manpower aspect all has and has great advantage.
Description
Technical field
This utility model belongs to transformer gas supplementary device and in particular to a kind of to carry out gas pressure to transformator online
Monitoring and the device of automatic inflating device.
Background technology
Electric pressure with transformator raises, and capacity is continuously increased, and this body weight also accordingly increases, in order to reduce transport
Weight, high-power transformer is frequently with the means of transportation filling dry air or high pure nitrogen.In order that transformator is in transportation not
Enter moisture because of nitrogen or dry air seepage, so that device is experienced tide, reduce the dielectric strength of transformator, must keep in fuel tank
Certain malleation (usually 20～30kPa).In addition, gas pressure changes as well as the change of ambient temperature, if fuel tank
Internal gas pressure is too high, and fuel tank may be made to be deformed, thus causing fuel tank to ftracture, gas is revealed rapidly, humidified insulation.So,
In whole transportation, tank pressure to be monitored, and have gas supplementary device, so that when under fuel tank internal gas pressure
Timely make-up gas during fall.
Traditional transformator storage and transport process monitoring only has pressure balance making-up air device, and this monitoring is offline status monitoring,
Engineering escort personnel can not obtain monitoring information in real time, and the running state information of making-up air device even more cannot obtain, and does not possess storage
The real-time display of fortune status information, the in real time function such as upload, Realtime Alerts, real-time release are it is impossible to meet current transformer accumulating
Requirement.
Content of the invention
For the problems referred to above, this utility model provides one kind can distinguish the high caisson of real time on-line monitoring and transformator
The pressure value of fuel tank, achievable on-line monitoring, in real time display, the in real time function such as upload, Realtime Alerts, real-time release to transformation
Device fuel tank carries out the device of automatic inflating device.
For solving the above problems, the technical scheme that this utility model is taken is：A kind of gas pressure is carried out to transformator exist
Line monitoring and the device of automatic inflating device, a kind of device that transformator is carried out with gas pressure on-line monitoring and automatic inflating device, connect
Between caisson and oil tank of transformer, including pressure-detecting device, pressure-regulating device and control unit；Described pressure
Adjusting means includes the gas pipeline being connected between caisson and oil tank of transformer, gas pipeline is connected with decompression permanent in turn
Depressor, inflation electromagnetic valve, pressure relief valve；The electrical connection of described pressure-detecting device, inflation electromagnetic valve and pressure relief valve
Control unit.
Gas in caisson reduces pressure through prime, rear class constant voltage, by high voltage protective gas constant voltage to 30KPa, punching dress
To in the oil tank of transformer needing storage transport.
Preferably, described control unit includes sub-controller and the main control being connected with sub-controller through ZIGBEE
Device.Sub-controller energy real-time monitoring gas storage side pressure value and oil tank of transformer side pressure value, and by ZIGBEE by institute's measuring pressure
Value is uploaded to and controls indoor master controller.According to presetting pressure threshold, sub-controller is opened by controlling inflation electromagnetic valve
Open or close, realize protective gas automatic inflating device.Pressure relief valve opens automatically when oil tank of transformer pressure exceedes preset pressure
Open release pressure, reach closing valve during reference pressure value.
Described pressure-detecting device includes being installed on the pressure transmitter of caisson and oil tank of transformer.
Preferably, described inflation electromagnetic valve is parallel with bypass electromagnetic valve.Real-time monitoring oil tank of transformer side pressure value,
When fuel tank side pressure value is less than the bottom threshold of defined, sub-controller controls inflation electromagnetic valve to open, and so that gas cylinder is opened
Begin, to oil tank of transformer inflating pressure, after the fuel tank side pressure value of monitoring reaches the upper threshold of defined, to close inflation electricity
Magnet valve, stops QI invigorating.Setting bypass electromagnetic valve, when inflation the electronic failure of electromagnetic valve, start bypass electromagnetic valve it is ensured that fuel tank just
Often QI invigorating pressurization.
Preferably, it is provided with boost gauge between caisson and decompression barostat, in pressure relief valve and transformator
It is provided with outlet pressure table between mailbox.
Preferably, described caisson is gas cylinder.
Preferably, described master controller is connected with undervoltage alarming device, and undervoltage alarming device adopts audible-visual annunciator.
Real-time monitoring gas cylinder side pressure value, when gas cylinder side pressure value is less than the threshold value of defined, starts and owes
Pressure is reported to the police, and notifies escort personnel to change gas cylinder in time；Inflation electromagnetic valve and bypass electromagnetic valve form parallel connection through pressure switch
Branch road, is serially connected with and off switch, accumulator before parallel branch, be serially connected with audible-visual annunciator after parallel branch.
Preferably, this device has GPS location function, and energy real-time monitoring is simultaneously realized based on wireless GPRS Long-distance Transmission Technologies
Long-range real-time pressure and position monitor, are easy to client remote control.
This utility model avoids the deficiency of traditional making-up air device it is achieved that on-line monitoring gas cylinder and oil tank of transformer
Pressure state, obtain in real time the operation information of making-up air device, and realize showing in real time, uploads in real time, Realtime Alerts, in real time
The functions such as cloth, the either safe transportation aspect of collateral security transformator, or saving manpower aspect all has and has great advantage.
Brief description
Fig. 1 is pipeline connection diagram of the present utility model；
Fig. 2 is this utility model electric control theory figure；
1st, gas cylinder, 2, boost gauge, 3, decompression barostat, 4, inflation electromagnetic valve, 5, bypass electromagnetic valve, 6, pressure
Relief valve, 7, outlet pressure table, 8, oil tank of transformer, 9, control unit, 10, gas pipeline, 11, pressure switch, 12, power supply opens
Close, 13, accumulator, 14, audible-visual annunciator.
Specific embodiment
A kind of device that transformator is carried out with gas pressure on-line monitoring and automatic inflating device, as shown in figure 1, be connected to high pressure
Between gas cylinder 1 and oil tank of transformer 8, including pressure-detecting device, pressure-regulating device and control unit 9；Described pressure inspection
Survey device to include being installed on the pressure transmitter of gas cylinder 1 and oil tank of transformer 8.Described pressure-regulating device includes being connected to
Gas pipeline 10 between gas cylinder 1 and oil tank of transformer 8, gas pipeline 10 is connected with turn boost gauge 2, decompression
Barostat 3, inflation electromagnetic valve 4, pressure relief valve 6, outlet pressure table 7；It is parallel with bypass electromagnetism on described inflation electromagnetic valve 4
Valve 5.Described control unit includes the master controller that sub-controller and sub-controller ZIGBEE connect.Described pressure inverting
Device, inflation electromagnetic valve 4, bypass electromagnetic valve 5 and a pressure relief valve 6 electrical connection point control unit, described main controller controls
There is undervoltage alarming device, undervoltage alarming device adopts audible-visual annunciator 14.
Described decompression barostat 3 includes backing stage pressure reducers and rear class barostat, and device passes through backing stage pressure reducers by high pressure
Source of the gas is decompressed to 1MPa, and rear class barostat, by pressure setting 30kPa, is connected to oil tank of transformer 8 by gas pipeline 10, in order to
Improve reliability, in high-pressure air source entrance, pressure transmitter is installed, bleed pressure is less than setting value, master controller will send warning
Signal, reminds operator to change source of the gas.
As shown in Fig. 2 inflation electromagnetic valve 4 and bypass electromagnetic valve 5 form parallel branch through pressure switch 11, before parallel branch
It is serially connected with and off switch 12, accumulator 13, after parallel branch, be serially connected with audible-visual annunciator 14.
According to detected pressure value, pressure switch 11 is main controller judges that pressure triggers the switch that electromagnetic valve cut-offs, main road and
Bypass each setting pressure switch 11, under under-voltage condition, master controller carrys out control pressure switch 11 closure, and carries out sound and light alarm.
The external GPRS antenna of device, antenna connects master controller by cable aperture, and master controller sends data to backstage
Server can achieve remotely control.
Claims (8)
1. a kind of device that transformator is carried out with gas pressure on-line monitoring and automatic inflating device, is connected to caisson and transformator
Between fuel tank it is characterised in that：Including pressure-detecting device, pressure-regulating device and control unit；Described pressure adjusts dress
Put including the gas pipeline being connected between caisson and oil tank of transformer, gas pipeline is connected with turn decompression barostat,
Inflation electromagnetic valve, pressure relief valve；The electrical connection of described pressure-detecting device, inflation electromagnetic valve and pressure relief valve controls single
Unit.
2. the device that transformator is carried out with gas pressure on-line monitoring and automatic inflating device according to claim 1, its feature
It is：Described control unit includes sub-controller and the master controller being connected with sub-controller through ZIGBEE.
3. the device that transformator is carried out with gas pressure on-line monitoring and automatic inflating device according to claim 1 and 2, it is special
Levy and be：Described pressure-detecting device includes being installed on the pressure transmitter of caisson and oil tank of transformer.
4. the device that transformator is carried out with gas pressure on-line monitoring and automatic inflating device according to claim 3, its feature
It is：It is parallel with bypass electromagnetic valve on described inflation electromagnetic valve.
5. the device that transformator is carried out with gas pressure on-line monitoring and automatic inflating device according to claim 4, its feature
It is：It is provided with boost gauge between caisson and decompression barostat, set between pressure relief valve and transformator mailbox
It is equipped with outlet pressure table.
6. the device that transformator is carried out with gas pressure on-line monitoring and automatic inflating device according to claim 5, its feature
It is：Described caisson is gas cylinder.
7. the device that transformator is carried out with gas pressure on-line monitoring and automatic inflating device according to claim 2, its feature
It is：Described master controller is connected with undervoltage alarming device, and undervoltage alarming device adopts audible-visual annunciator.
8. the device that transformator is carried out with gas pressure on-line monitoring and automatic inflating device according to claim 7, its feature
It is：Inflation electromagnetic valve and bypass electromagnetic valve form parallel branch through pressure switch, are serially connected with and off switch, storage before parallel branch
Battery, is serially connected with audible-visual annunciator after parallel branch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621052454.4U CN206002975U (en) | 2016-09-13 | 2016-09-13 | A kind of device that transformator is carried out with gas pressure on-line monitoring and automatic inflating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621052454.4U CN206002975U (en) | 2016-09-13 | 2016-09-13 | A kind of device that transformator is carried out with gas pressure on-line monitoring and automatic inflating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206002975U true CN206002975U (en) | 2017-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621052454.4U Active CN206002975U (en) | 2016-09-13 | 2016-09-13 | A kind of device that transformator is carried out with gas pressure on-line monitoring and automatic inflating device |
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| CN (1) | CN206002975U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106227253A (en) * | 2016-09-13 | 2016-12-14 | 山东电力设备有限公司 | A kind of device that transformator is carried out gas pressure on-line monitoring and automatic inflating device |
| CN107783562A (en) * | 2017-11-09 | 2018-03-09 | 太原理工大学 | A kind of automaton for preventing that gas pressure from transfiniting |
-
2016
- 2016-09-13 CN CN201621052454.4U patent/CN206002975U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106227253A (en) * | 2016-09-13 | 2016-12-14 | 山东电力设备有限公司 | A kind of device that transformator is carried out gas pressure on-line monitoring and automatic inflating device |
| CN107783562A (en) * | 2017-11-09 | 2018-03-09 | 太原理工大学 | A kind of automaton for preventing that gas pressure from transfiniting |
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