CN205294838U - Gaseous full -automatic drying equipment - Google Patents
Gaseous full -automatic drying equipment Download PDFInfo
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- CN205294838U CN205294838U CN201520810391.3U CN201520810391U CN205294838U CN 205294838 U CN205294838 U CN 205294838U CN 201520810391 U CN201520810391 U CN 201520810391U CN 205294838 U CN205294838 U CN 205294838U
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- trachea
- electromagnetic valve
- drying equipment
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Abstract
The utility model discloses a gaseous full -automatic drying equipment, desicator including matched junction, trachea and gentle union coupling, the matched junction be with the electrical equipment air chamber on the quick male joint of matcing of existing joint, the trachea is the gaseous closed pipeline of deriving and impressing, trachea one end is equipped with quick female joint, and the other end is equipped with quick male joint, the trachea have at least one end be equipped with can open with closed ball valve. The utility model discloses need not to impress the make up gas among the electrical equipment after the air chamber evacuation, the gas drying procedure is convenient, owing to need not to use the make up gas, has practiced thrift the plant maintenance cost again, to the dry run of gas for automatic, and gas state can real -time supervision among the dry run, factor of safety is high, the controllability is strong.
Description
Technical field
This utility model relates to electrical equipment gas drying field, particularly to a kind of full-automatic drying equipment of gas.
Background technology
Sulfur hexafluoride (SF6) gas, with its good electric insulating quality and excellent arc extinction performance, becomes chopper, high-tension transformer, sealing gland close the insulating dielectric materials in the electrical equipments such as combined capacitor, hv transmission line, transformer. But, use along with electrical equipment, as the excessive water content in the sulfur hexafluoride gas of dielectric, can cause that sulfur hexafluoride gas decomposes and produce corrosive liquids, and the resistance along insulating part surface can be reduced, and change the electric field of insulating part, affect the properly functioning of electrical equipment, accordingly, it would be desirable to the gas in electrical equipment is dried process by personnel. SF6 gas drying method of the prior art is to pass through vacuum pump, gas in electrical equipment is extracted out and makes its vacuum, then being filled with in electrical equipment again through compressor by newly standby gas, need to spend substantial amounts of manpower and materials by this kind of method, particularly new gas is expensive.
Utility model content
The purpose of this utility model is in that to provide a kind of full-automatic drying equipment of gas, this equipment is by being drawn to drying device by the gas in electrical equipment, drying equipment recharges after drying to electrical equipment, it is achieved that gas gas circuit circulation between electrical equipment-drying equipment-electrical equipment.
To achieve these goals, this utility model is realized by following technical proposal: a kind of full-automatic drying equipment of gas, including matched junction, trachea and the exsiccator that is connected with trachea, described matched junction is the quick male joint mated with existing joint on electrical equipment air chamber, described trachea is the closed conduit that gas is derived and is pressed into, described trachea one end is provided with quick female joint, the other end is provided with quick male joint, and described trachea has at least one end to be provided with the ball valve can opened and close.
Described exsiccator includes drying system, this drying system includes controller, driving device, surge tank, drying device, gas tank, air pump and compressor, described surge tank, drying device, air pump, gas tank and compressor are sequentially connected with, described driving device is connected with air pump, controls startup and the closedown of air pump.
The inlet end of described surge tank arranges the first electromagnetic valve group, second electromagnetic valve group is set between described drying device and air pump, the outlet side of described gas tank arranges the 3rd electromagnetic valve group, described three groups of electromagnetic valve groups are all connected with driving device, and are driven this three groups of electromagnetic valve groups start or terminate operation by controller control driving device.Controller in described drying system controls driving device and drives described first electromagnetic valve group to be drawn in described surge tank by gas in described electrical equipment air chamber, gas in described surge tank is delivered in drying device and is dried, gas is pumped to described gas tank by dried gas by described air pump, in described gas tank, gas enters air chamber through described 3rd electromagnetic valve group, forms the gas circuit loop that gas flows between air chamber, surge tank, drying device, gas tank and each electromagnetic valve group.
This utility model also includes harvester, air inlet pressure sensor, air storage pressure sensor and two dew point transducers, described air inlet pressure sensor is arranged in electrical equipment air chamber, described air storage pressure sensor is arranged in gas tank, said two dew point transducer is separately positioned in surge tank and gas tank, each sensor is all connected with harvester, the signal of collection is sent to harvester, and is fed back to controller by described harvester. Dew point transducer in described surge tank and gas tank, can monitor the humidity value of gas in gas circuit in real time, is gathered the value of dew point transducer by described harvester, if less than setting value, dew point transducer value represents that described gas drying completes simultaneously. Gas is pressed in electrical equipment air chamber by compressor by drying system, in gas process of press in, the air storage pressure sensor of the air inlet pressure sensor and gas tank that are arranged at air chamber monitors the gas pressure in described air chamber and gas tank respectively, to guarantee that gas can be full of whole air chamber, residual gas can be stored in described gas tank.
Drying system described in the utility model also includes external input keyboard, and described external input keyboard is connected on described controller, it is possible to by inputting the parameter of setting in external connection keyboard, described parameter mainly has air chamber pressure value, gas humidity value and gas flow.
Exsiccator described in the utility model also includes human-machine operation parts and power control switch. Described human-machine operation parts are the parameter that can set drying device, and described parameter mainly has air chamber pressure value, gas humidity value and gas flow. Described power control switch is for opening and closing the power supply of described drying device.
Described human-machine operation parts are liquid crystal touch screen.
Described drying device is detachable molecular sieve.
Described controller is Programmable Logic Controller, for processing the data of collection and controlling driving device each group of electromagnetic valve group of driving and air pump and compressor. Described Programmable Logic Controller is a kind of programmable chip in PLC and ARM.
Described surge tank is sized to 1L, and described gas-storing pipe is sized to 4L, and it is internal for being used for balancing the air pressure of gas in described electrical equipment air chamber equipped with gas.
Compared with prior art, this utility model has following beneficial effect:
1. the full-automatic drying equipment that this utility model provides is without by after air chamber evacuation in electrical equipment, then is entered by new air pressure, and gas drying program is convenient.
2. this utility model is owing to without using new gas, having saved cost of equipment maintenance.
3. the dry run of gas is automatization by the drying equipment that this utility model provides, and in dry run, gaseous state can be monitored in real time, and safety coefficient is high, and controllability is strong.
Accompanying drawing explanation
Fig. 1 is full-automatic drying device overall structure schematic diagram;
Fig. 2 is control system principle diagram in drying device.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out clear, complete description.
The full-automatic drying equipment of gas is an embodiment of the present utility model as illustrated in fig. 1 and 2, including matched junction 2, trachea 9 and exsiccator, matched junction 2 is the quick male joint mated with existing joint on electrical equipment air chamber, can drying equipment be connected on electrical equipment, the closed conduit that trachea 9 is derived for gas and is pressed into, trachea 9 one end sets quick female joint 3, and the other end sets quick male joint 5. The two ends of trachea 9 are equipped with the ball valve 4 can opened and close, and can be turned on and off realizing exsiccator by two ball valves 4 and connect and cut off connection with the air chamber of electrical equipment in using.
Exsiccator includes human-machine operation parts 6, power control switch 7 and drying system 8, and wherein, human-machine operation parts 6 are liquid crystal touch screen, and it can set dry parameter, mainly have air chamber pressure value, gas humidity value, gas flow etc. Power control switch 7, for opening and closing the power supply of exsiccator, is capable of the work start and stop of exsiccator by opening and closing power supply.
As in figure 2 it is shown, drying system includes Programmable Logic Controller 11, external input keyboard 13, harvester 12, driving device 14, surge tank 19, gas tank 25, drying device 20, air pump 24 and compressor. Wherein, surge tank 19, drying device 20, gas tank 25, air pump 24 and compressor are sequentially connected with by the road. The inlet end of surge tank 19 is provided with the first electromagnetic valve group 21, is provided with the second electromagnetic valve group 22 between drying device 20 and air pump 24, and the outlet side of gas tank 25 arranges the 3rd electromagnetic valve group 23, is connected by pipeline between the first electromagnetic valve group 21 and the 3rd electromagnetic valve group 23. Second electromagnetic valve group 22 is additionally provided with exhaustor 27. Driving device 14 controls the opening and closing of first electromagnetic valve group the 21, second electromagnetic valve group 22 and the 3rd electromagnetic valve group 23. When first electromagnetic valve group the 21, second electromagnetic valve group 22 and the 3rd electromagnetic valve group 23 are all opened, surge tank 19, drying device 20, air pump 24, pipeline connection between gas tank 25 and compressor, constitute the emptying gas circuit of drying system, for the emptying operation of drying system before carrying out gas drying and processing. When carrying out gas drying operation, driving device 14 drives the first electromagnetic valve group 21 to be drawn in surge tank 19 by gas in electrical equipment air chamber, gas in surge tank 19 is delivered in drying device 20 and is dried, gas is pumped to gas tank 25 by dried gas air pump 24, and in gas tank 24, gas is back to electrical equipment air chamber through the 3rd electromagnetic valve group 23. In this process, gas flows in the gas circuit loop that air chamber, surge tank 19, drying device 20, gas tank 25 and each electromagnetic valve fabric become, thus completing the dried of gas.
Surge tank 19 and gas tank 25 are equipped with the dew point transducer 17,18 being connected with harvester 12, the humidity value of gas in gas circuit can be monitored in real time, the value of the dew point transducer simultaneously gathered by harvester 12, if less than setting value, dew point transducer value represents that gas drying completes, gas is pressed in electrical equipment air chamber by drying system by compressor. Air chamber 26 arranges air inlet pressure sensor 15, gas tank 25 arranges air storage pressure sensor 16, air inlet pressure sensor 15 and air storage pressure sensor 16 is set all is connected with harvester 12, it is pressed in air chamber 26 process at gas, the air storage pressure sensor 16 of the air inlet pressure sensor 15 and gas tank 25 that are arranged at air chamber 26 monitors the gas in air chamber 26 and gas tank 25 respectively, to guarantee that gas can be full of whole air chamber 26, residual gas can be stored in gas tank 25.
Programmable Logic Controller 11 is a kind of programmable chip in PLC, ARM, drives each group of electromagnetic valve group and air pump 24 and compressor for the data and control driving device 14 processing collection. External input keyboard 13 is connected on Programmable Logic Controller 11, can pass through external connection keyboard 13 inputs the parameter of setting, mainly there are air chamber pressure value, gas humidity value, gas flow, harvester 12 gathers the numerical value of baroceptor in drying system, dew point transducer, and transmits the sensing data collected to Programmable Logic Controller 11. Drying device 20 is detachable molecular sieve. PLC technology 11 in drying system controls driving device 14, surge tank 19 is sized to 1L, making drying device 20 can distinguish the gas in buffer memory air chamber 26 in use, gas tank 25 is sized to 4L, and it is internal is for the air pressure of gas in balanced electrical equipment air chamber 26 equipped with gas.
The above; it is only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; change can be readily occurred in or replace, all should be encompassed within protection domain of the present utility model.
Claims (10)
1. the full-automatic drying equipment of gas, it is characterized in that, including matched junction, trachea and and trachea connect exsiccator, described matched junction is the quick male joint mated with existing joint on electrical equipment air chamber, described trachea is the closed conduit that gas is derived and is pressed into, described trachea one end is provided with quick female joint, and the other end is provided with quick male joint, and described trachea has at least one end to be provided with the ball valve can opened and close.
2. the full-automatic drying equipment of gas according to claim 1, it is characterized in that, described exsiccator includes drying system, described drying system includes controller, driving device, surge tank, drying device, gas tank, air pump and compressor, described surge tank, drying device, air pump, gas tank and compressor are sequentially connected with, described driving device is connected with air pump, controls startup and the closedown of air pump.
3. the full-automatic drying equipment of gas according to claim 2, it is characterized in that, described surge tank inlet end arranges the first electromagnetic valve group, second electromagnetic valve group is set between described drying device and air pump, the outlet side of described gas tank arranges the 3rd electromagnetic valve group, described three groups of electromagnetic valve groups are all connected with driving device, and are controlled these three groups of electromagnetic valve groups startups by controller or terminate operation.
4. the full-automatic drying equipment of gas according to claim 2, it is characterized in that, described drying system also includes harvester, air inlet pressure sensor, air storage pressure sensor and two dew point transducers, described air inlet pressure sensor is arranged in electrical equipment air chamber, described air storage pressure sensor is arranged in gas tank, said two dew point transducer is separately positioned in surge tank and gas tank, each sensor is all connected with harvester, the signal of collection is sent to harvester, and is fed back to controller by described harvester.
5. the full-automatic drying equipment of gas according to any one of claim 2-4, it is characterised in that described exsiccator also includes human-machine operation parts and power control switch.
6. the full-automatic drying equipment of gas according to claim 5, it is characterised in that described human-machine operation parts are liquid crystal touch control screen.
7. the full-automatic drying equipment of gas according to claim 6, it is characterised in that described drying device is detachable molecular sieve.
8. the full-automatic drying equipment of gas according to claim 7, it is characterised in that described controller is that Programmable Logic Controller is for processing the data of collection and controlling driving device each group of electromagnetic valve group of driving and air pump and compressor.
9. the full-automatic drying equipment of gas according to claim 8, it is characterised in that described drying system also includes external input keyboard, this external input keyboard is connected on described controller.
10. the full-automatic drying equipment of gas according to claim 9, it is characterized in that, described Programmable Logic Controller is a kind of programmable chip in PLC and ARM, described surge tank is sized to 1L, described gas-storing pipe is sized to 4L, and it is internal for being used for balancing the air pressure of gas in described electrical equipment air chamber equipped with gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520810391.3U CN205294838U (en) | 2015-10-20 | 2015-10-20 | Gaseous full -automatic drying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520810391.3U CN205294838U (en) | 2015-10-20 | 2015-10-20 | Gaseous full -automatic drying equipment |
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| Publication Number | Publication Date |
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| CN205294838U true CN205294838U (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520810391.3U Active CN205294838U (en) | 2015-10-20 | 2015-10-20 | Gaseous full -automatic drying equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108413258A (en) * | 2018-04-28 | 2018-08-17 | 广东电网有限责任公司 | Air pressure monitor device and the micro- water treatment system of SF6 equipment |
| CN109406736A (en) * | 2018-12-19 | 2019-03-01 | 中广核达胜加速器技术有限公司 | A kind of accelerator insulating gas moisture monitoring system and method |
-
2015
- 2015-10-20 CN CN201520810391.3U patent/CN205294838U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108413258A (en) * | 2018-04-28 | 2018-08-17 | 广东电网有限责任公司 | Air pressure monitor device and the micro- water treatment system of SF6 equipment |
| CN109406736A (en) * | 2018-12-19 | 2019-03-01 | 中广核达胜加速器技术有限公司 | A kind of accelerator insulating gas moisture monitoring system and method |
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