CN211179674U - Automatic switching device for gas carrying bottle of transformer oil chromatography online monitoring system - Google Patents
Automatic switching device for gas carrying bottle of transformer oil chromatography online monitoring system Download PDFInfo
- Publication number
- CN211179674U CN211179674U CN201921889489.7U CN201921889489U CN211179674U CN 211179674 U CN211179674 U CN 211179674U CN 201921889489 U CN201921889489 U CN 201921889489U CN 211179674 U CN211179674 U CN 211179674U
- Authority
- CN
- China
- Prior art keywords
- gas
- air
- air outlet
- monitoring system
- transformer oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model relates to an automatic switching device of a gas carrying bottle of a transformer oil chromatogram on-line monitoring system, which comprises a mounting plate, a controller, a plurality of gas inlet pipelines and gas outlet pipelines, wherein the controller, the plurality of gas inlet pipelines and the gas outlet pipelines are all arranged on the mounting plate; the air inlet pipeline is provided with a valve for controlling the opening and closing of the air inlet pipeline and a pressure sensor for detecting the air pressure of the air inlet pipeline; the air outlet pipeline is provided with an air outlet main path and a plurality of groups of air outlet branch paths connected with the air outlet main path, the air outlet branch paths are connected with air outlet ends of different valves, and the air outlet main path is used for supplying air to the air outlet ends; the controller is electrically connected with the valve and the pressure sensor. Through setting up this year gas cylinder automatic switching control equipment, can be after a year gas cylinder exhausts another year gas cylinder of automatic switch-over into and carry out the air feed, can all year gas cylinder gas before using up change the gas cylinder that does not have gas into the gas cylinder that has gas, the change time of extension year gas cylinder, maintainer can wait for many equipment to change the gas cylinder together again, helps saving the staff, concentrates the change, reduces work load.
Description
Technical Field
The utility model relates to a transformer oil chromatogram on-line monitoring system, more specifically relates to a transformer oil chromatogram on-line monitoring system's carrier gas bottle automatic switching control equipment.
Background
The transformer oil chromatogram on-line monitoring system is mainly installed and applied in a power transformer and a high voltage reactor of 220kV or above, and realizes on-line monitoring of the operation state of primary equipment, the transformer oil chromatogram on-line monitoring system is precise equipment integrating control and measurement analysis technologies, and the system comprises four parts, namely oil-gas separation, mixed gas separation, data analysis and processing and remote transmission control, wherein the mixed gas separation process needs to adopt synthetic air or high-purity nitrogen prepared in a certain proportion as carrier gas, and a gas carrying cylinder is used for loading, the capacity of the gas carrying cylinder is 8-15L per cylinder, the service cycle of the carrier gas per cylinder is 6-8 months, and because the capacity of the gas carrying cylinder is limited, when the gas pressure of the gas carrying cylinder is insufficient, the gas carrying cylinder needs to be replaced, otherwise, the stable operation of the oil chromatogram on-line monitoring system is.
With the increasing popularization and application of transformer oil chromatogram on-line monitoring systems, the number increases year by year, the regional distribution is wide, even if the oil chromatogram devices at the same station are inconsistent in operation year, the replacement periods of the gas carrying cylinders are different, based on the current situation, the inconsistent use periods of the gas carrying cylinders cause that maintenance personnel need to frequently replace the gas carrying cylinders for many times, the workload is obviously increased, and great manpower and material resources are consumed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome among the above-mentioned prior art problem that maintainer need frequently change the carrier gas bottle many times, provide a transformer oil chromatogram on-line monitoring system's carrier gas bottle automatic switching control equipment, when a carrier gas bottle atmospheric pressure is not enough, can change another carrier gas bottle automatically, extension transformer oil chromatogram on-line monitoring system operating time can concentrate once only will change the carrier gas bottle that pressure is not enough.
In order to solve the technical problem, the utility model discloses a technical scheme is: a transformer oil chromatograph comprises a mounting plate, a controller, a plurality of groups of air inlet pipelines and air outlet pipelines, wherein the controller, the plurality of groups of air inlet pipelines and the air outlet pipelines are all mounted on the mounting plate; the air inlet pipeline is provided with a valve for controlling the opening and closing of the air inlet pipeline and a pressure sensor for detecting the air pressure of the air inlet pipeline; the air outlet pipeline is provided with an air outlet main path and a plurality of groups of air outlet branch paths connected with the air outlet main path, the air outlet branch paths are connected with air outlet ends of different valves, and the air outlet main path is used for supplying air to an air using end; the controller is electrically connected to the valve and the pressure sensor.
The air pressure of the air inlet pipeline detected by the pressure sensor is the air pressure of the air carrying bottle, the pressure sensor sets a threshold value, when the air pressure is lower than the set threshold value, the controller controls the valve connected with the air carrying bottle with insufficient air pressure to be closed, and controls the valve of the other air inlet pipeline to be opened, so that the other air carrying bottle can supply air.
Preferably, the air outlet branch is connected with the air outlet main road through a pneumatic valve. The air current of year gas cylinder gets into the branch road of giving vent to anger through the valve, then gets into the main road of giving vent to anger through pneumatic valve, has also preset the threshold value in the pneumatic valve, and the air current that flows when year gas cylinder is less than preset threshold value, and the air current can't pass through pneumatic valve, avoids year gas cylinder two circumstances of year gas cylinder air feed simultaneously appearing when switching.
Preferably, the air inlet pipeline comprises an air inlet end and two air outlet ends which are respectively connected with the pressure sensor and the valve.
Preferably, the air inlet end is provided with an air pipe joint. The air pipe joint can quickly realize the communication between the air inlet end and the gas carrying bottle.
Preferably, the valve is a solenoid valve.
Preferably, the controller comprises a communication module. When the air pressure of one of the gas-carrying cylinders is insufficient, the communication module prompts the maintenance staff to replace the gas-carrying low-value gas cylinder, and the prompt of the communication module can be sent to a management system of the maintenance staff as information.
Preferably, the air inlet duct and the air outlet duct are disposed in the mounting plate. The air inlet pipeline and the air outlet pipeline are arranged in the mounting plate, so that the pipeline is prevented from being damaged by external environment factors, and the service life of the pipeline is prolonged.
Preferably, the mounting plate is provided with an alarm device electrically connected with the controller. When the pressure sensor detects that the air pressure of the gas carrying bottle is lower than a preset value, the controller can control the alarm device to start, and the passing patrol maintenance personnel are reminded.
Preferably, a temperature and humidity collector is mounted on the mounting plate. The running environment of the on-line monitoring device can be monitored in real time, and the fault diagnosis of the on-line monitoring device can be effectively assisted.
Preferably, a display screen electrically connected with the controller is arranged on the mounting plate. The controller shows the data that pressure sensor state and humiture collector gathered through the display screen, and the convenient operation situation who patrols the dimension personnel and know the device.
Compared with the prior art, the beneficial effects of the utility model are that: through setting up this year gas cylinder automatic switching control equipment, can be after a year gas cylinder exhausts automatic switching another year gas cylinder of switching into and carry out the air feed, can all year gas cylinder gas before using up change the gas cylinder that does not have gas for having gas cylinder, the change time of extension year gas cylinder, and need not to change in several days, maintainer can wait to change together again when many equipment need change the gas cylinder, help saving the staff, concentrate the change, reduce work load.
Drawings
Fig. 1 is a schematic front view of an automatic switching device of a gas carrying cylinder of an online monitoring system for transformer oil chromatography of the present invention;
fig. 2 is a schematic side view of the automatic switching device of the gas carrying cylinder of the transformer oil chromatography on-line monitoring system of the present invention;
fig. 3 is a schematic cross-sectional structural diagram of an automatic switching device of a gas carrying cylinder of the transformer oil chromatography online monitoring system of the present invention;
fig. 4 is a schematic front view of the automatic switching device of the carrier gas cylinder of the transformer oil chromatography on-line monitoring system of the embodiment 2 of the present invention;
fig. 5 is a schematic view of the working state of the automatic switching device of the gas-carrying cylinder of the transformer oil chromatography on-line monitoring system of the present invention.
Wherein: 1. mounting a plate; 2. a controller; 3. an air intake duct; 301. an air inlet end; 302. an air outlet end; 4. an air outlet pipe; 401. a main air outlet path; 402. an air outlet branch; 5. a valve; 6. a pressure sensor; 7. a pneumatic valve; 8. an alarm device; 9. a temperature and humidity collector; 10. a display screen; 11. a gas-carrying cylinder; 12. using the gas end.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", "long", "short", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limiting the present patent, and those skilled in the art will understand the specific meaning of the terms according to their specific circumstances.
The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:
example 1
Fig. 1-3 show an embodiment of an automatic switching device for a gas carrying cylinder of a transformer oil chromatography online monitoring system, which includes a mounting plate 1, a controller 2, two sets of gas inlet pipes 3 and gas outlet pipes 4, wherein the controller 2, the two sets of gas inlet pipes 3 and the gas outlet pipes 4 are all mounted on the mounting plate 1; the air inlet pipeline 3 is provided with a valve 5 for controlling the opening and closing of the air inlet pipeline 3 and a pressure sensor 6 for detecting the air pressure of the air inlet pipeline 3; the air outlet pipeline 4 is provided with an air outlet main path 401 and two air outlet branch paths 402 connected with the air outlet main path 401, the air outlet branch paths 402 are respectively connected with an air outlet end of a valve 5, and the air outlet main path 401 is used for supplying air to an air using end; the controller 2 is electrically connected to the valve 5 and the pressure sensor 6.
Specifically, the valve 5 may be a solenoid valve with a model number of 4V120M 5A; the pressure sensor 6 may be a pressure sensor of type ISE 30A-01; the controller 2 may be a single chip microcomputer of type AT89S 51.
The air outlet branch 402 and the air outlet main path 401 are connected through a pneumatic valve 7 (model can be 4a110M 5). The air current of year gas cylinder gets into the branch road 402 of giving vent to anger through valve 5, then gets into the main road 401 of giving vent to anger through pneumatic valve 7, has also preset the threshold value in pneumatic valve 7, and the air current that flows when year gas cylinder is less than preset threshold value, and the air current can't pass through pneumatic valve 7, avoids carrying the gas cylinder two circumstances of carrying the gas cylinder air feed simultaneously to appear when switching.
Specifically, the inlet pipe 3 includes an inlet end 301 and two outlet ends 302 to which the pressure sensor 6 and the valve 5 are respectively connected. The air inlet end 301 is provided with an air pipe connector 303. The air pipe joint 303 can quickly realize the communication between the air inlet end and the gas carrying bottle.
Specifically, the controller 2 includes a communication module. When the air pressure of one of the gas-carrying cylinders is insufficient, the communication module prompts the maintenance staff to replace the gas-carrying low-value gas cylinder, and the prompt of the communication module can be sent to a management system of the maintenance staff as information.
In addition, an inlet duct 3 and an outlet duct 4 are provided in the mounting plate 1. The air inlet pipeline 3 and the air outlet pipeline 4 are arranged in the mounting plate, so that the pipeline is prevented from being damaged by external environment factors, and the service life of the pipeline is prolonged.
The utility model discloses a theory of operation or work flow: as shown in fig. 5, when the automatic switching device of the gas carrying cylinders of the transformer oil chromatography online monitoring system works, one of the gas carrying cylinders 11 is started first, and gas is transmitted to the gas using end 12. When the gas volume pressure of the gas cylinder 11 is less than 0.4MPa, the pressure detector 6 sends a low-pressure signal to the controller 2, the controller 2 feeds back an output signal, and the electromagnetic valve 3 is switched to a working state. The pneumatic valve 7 also switches to use another gas cylinder. The controller 2 gives an alarm through the communication module to prompt the maintenance patrol personnel to replace the gas carrying bottle 11.
The beneficial effects of this embodiment: through setting up this year gas cylinder automatic switching control equipment, can be after a year gas cylinder exhausts automatic switching another year gas cylinder of switching into and carry out the air feed, can all year gas cylinder gas before using up change the gas cylinder that does not have gas for having gas cylinder, the change time of extension year gas cylinder, and need not to change in several days, maintainer can wait to change together again when many equipment need change the gas cylinder, help saving the staff, concentrate the change, reduce work load.
Example 2
As shown in fig. 4, another embodiment of an automatic carrier gas cylinder switching device of an on-line transformer oil chromatography monitoring system is shown, which is different from embodiment 1 in that an alarm device 8, a temperature and humidity collector 9 and a display screen 10 which are all electrically connected with a controller 2 are arranged on a mounting plate.
When the pressure sensor 4 detects that the air pressure of the gas carrying bottle 11 is lower than a preset value, the controller 2 controls the alarm device 8 to start, and the passing patrol maintenance personnel are reminded. The temperature and humidity collector 9 can monitor the operation environment of the online monitoring device in real time and effectively assist the fault diagnosis of the online monitoring device. The display screen 10 displays the state of the pressure sensor 4 and the data collected by the temperature and humidity collector 9.
The remaining features and the operating principle of embodiment 2 are the same as those of embodiment 1.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. An automatic carrier gas cylinder switching device of a transformer oil chromatography online monitoring system is characterized by comprising a mounting plate (1), a controller (2), a plurality of groups of gas inlet pipelines (3) and gas outlet pipelines (4), wherein the controller (2) is mounted on the mounting plate (1); a valve (5) for controlling the opening and closing of the air inlet pipeline (3) and a pressure sensor (6) for detecting the air pressure of the air inlet pipeline (3) are arranged on the air inlet pipeline (3); the air outlet pipeline (4) is provided with an air outlet main path (401) and a plurality of groups of air outlet branch paths (402) connected with the air outlet main path (401), the air outlet branch paths (402) are connected with air outlet ends (302) of different valves, and the air outlet main path (401) is used for supplying air to an air using end; the controller (2) is electrically connected with the valve (5) and the pressure sensor (6).
2. The automatic switching device of the gas carrying cylinder of the transformer oil chromatography online monitoring system according to claim 1, characterized in that the gas outlet branch (402) is connected with the gas outlet main path (401) through a pneumatic valve (7).
3. The automatic switching device of the gas carrying cylinder of the transformer oil chromatography online monitoring system according to claim 1, wherein the gas inlet pipeline (3) comprises a gas inlet end (301) and two gas outlet ends (302) which are respectively connected with the pressure sensor (6) and the valve (5).
4. The automatic switching device of the gas carrying cylinder of the transformer oil chromatography online monitoring system according to claim 3, characterized in that the gas inlet end (301) is provided with a gas pipe joint (303).
5. The automatic switching device of the gas carrying cylinder of the transformer oil chromatography online monitoring system according to claim 1, characterized in that the valve (5) is an electromagnetic valve.
6. The automatic switching device of the gas carrying cylinder of the transformer oil chromatography online monitoring system according to claim 1, wherein the controller (2) comprises a communication module.
7. The automatic carrier gas cylinder switching device of the transformer oil chromatography online monitoring system according to any one of claims 1 to 6, wherein the gas inlet pipeline (3) and the gas outlet pipeline (4) are arranged in the mounting plate (1).
8. The automatic carrier gas cylinder switching device of the transformer oil chromatography online monitoring system according to any one of claims 1 to 6, characterized in that an alarm device (8) electrically connected with the controller (2) is arranged on the mounting plate (1).
9. The automatic carrier gas cylinder switching device of the transformer oil chromatography online monitoring system according to claim 8, wherein a temperature and humidity collector (9) is mounted on the mounting plate (1).
10. The automatic carrier gas cylinder switching device of the transformer oil chromatography online monitoring system according to claim 9, characterized in that a display screen (10) electrically connected with the controller (2) is arranged on the mounting plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921889489.7U CN211179674U (en) | 2019-11-04 | 2019-11-04 | Automatic switching device for gas carrying bottle of transformer oil chromatography online monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921889489.7U CN211179674U (en) | 2019-11-04 | 2019-11-04 | Automatic switching device for gas carrying bottle of transformer oil chromatography online monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211179674U true CN211179674U (en) | 2020-08-04 |
Family
ID=71801409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921889489.7U Active CN211179674U (en) | 2019-11-04 | 2019-11-04 | Automatic switching device for gas carrying bottle of transformer oil chromatography online monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211179674U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112526043A (en) * | 2020-11-25 | 2021-03-19 | 广东电网有限责任公司 | Transformer oil chromatography on-line monitoring carrier gas warning device and application method |
| CN112635166A (en) * | 2020-11-24 | 2021-04-09 | 国网河南省电力公司检修公司 | Air synthesis cabinet and monitoring system for transformer |
| CN113567567A (en) * | 2021-05-24 | 2021-10-29 | 国网山东省电力公司滨州供电公司 | Automatic switching device for transformer oil chromatographic test gas |
-
2019
- 2019-11-04 CN CN201921889489.7U patent/CN211179674U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112635166A (en) * | 2020-11-24 | 2021-04-09 | 国网河南省电力公司检修公司 | Air synthesis cabinet and monitoring system for transformer |
| CN112526043A (en) * | 2020-11-25 | 2021-03-19 | 广东电网有限责任公司 | Transformer oil chromatography on-line monitoring carrier gas warning device and application method |
| CN113567567A (en) * | 2021-05-24 | 2021-10-29 | 国网山东省电力公司滨州供电公司 | Automatic switching device for transformer oil chromatographic test gas |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211179674U (en) | Automatic switching device for gas carrying bottle of transformer oil chromatography online monitoring system | |
| CN201643793U (en) | Gas-liquid separating system for liquid nitrogen | |
| CN205690076U (en) | Hydrogen bus system | |
| CN103076816B (en) | Automatic control system and method for emission monitoring of radioactive airborne effluents | |
| CN205079056U (en) | Fuel gas pressure regulating box | |
| CN112526043A (en) | Transformer oil chromatography on-line monitoring carrier gas warning device and application method | |
| CN101533003B (en) | Device for monitoring oil contamination | |
| CN108828179B (en) | Integrated extensible miniature water quality online monitoring system | |
| CN210135965U (en) | Outdoor table case of gas intelligence | |
| CN208042367U (en) | A kind of intelligence hydraulic module | |
| CN217153807U (en) | Centralized gas supply system | |
| CN110925600A (en) | Automatic switching system and method for transformer oil chromatography gas cylinders | |
| CN207147839U (en) | A kind of multipath gas acquisition controller and gas analysis system | |
| CN212379401U (en) | Oil pollution monitoring and purifying system | |
| CN210800706U (en) | Central glue supply air supply device | |
| CN210514303U (en) | Intelligent double-insurance carrier-gas-free online monitoring device for dissolved gas in oil | |
| CN209086021U (en) | A kind of automatic control multipoint mode acquisition switching system | |
| CN205360187U (en) | High integrated air supply input process and flow control device | |
| CN209044356U (en) | A kind of boiler room intelligent controller | |
| CN202548660U (en) | Intelligent mounting monitoring system for water pump pipeline | |
| CN208750416U (en) | A kind of water supply line on-line real time monitoring system | |
| CN217084823U (en) | Oil chromatogram on-line monitoring system | |
| CN208501083U (en) | A kind of equipment with evaporation source | |
| CN217684400U (en) | Uninterrupted gas supply system | |
| CN216411170U (en) | Carrier gas expanding device and oil chromatography on-line monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |