CN209488125U - Enclosed busbar forced circulation drying device - Google Patents
Enclosed busbar forced circulation drying device Download PDFInfo
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- CN209488125U CN209488125U CN201920280765.3U CN201920280765U CN209488125U CN 209488125 U CN209488125 U CN 209488125U CN 201920280765 U CN201920280765 U CN 201920280765U CN 209488125 U CN209488125 U CN 209488125U
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- drier
- control valve
- directional control
- solenoid directional
- enclosed busbar
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Abstract
The utility model relates to enclosed busbar forced circulation drying devices, the gas outlet of enclosed busbar connects roots blower, two driers are set side by side, Routs blower vent is connect with two drier air inlets, two drier gas outlets connect two air inlets connection of the first solenoid directional control valve, two drier gas outlets are also connected with two air inlets connection of the second solenoid directional control valve, and the gas outlet of the second solenoid directional control valve connects drier exhaust pipe.The utility model can provide dry gas for enclosed busbar, it is ensured that enclosed busbar is in pressure stabilizing, humidity constant state, and regeneration, the drying of two driers can synchronize, alternately, improves working efficiency, extends the service life of desiccant.
Description
Technical field
The utility model relates to enclosed busbar accessory device technical fields, the in particular to dry dress of enclosed busbar forced circulation
It sets.
Background technique
Enclosed busbar (Enclosed busbars or Closed busbars) is to be by metal plate (steel plate or aluminium sheet)
Protect the bus-bar system of shell, busbar, insulating materials and related attachment composition.Including isolated-phase enclosed bus, case (contains common phase altogether
Every phase) enclosed busbar and cable bus, be widely used in power plant, electric substation, industry and civilian power supply lead.
Enclosed busbar is mainly made of bus-bars conductor, support insulator and protective shielding shell three parts.Conductor and shell
It is all made of aluminium pipe structure.Another enclosed busbar uses micro positive pressure device, prevents insulator moisture condensation dampness, improves the safety of operation
Reliability.Enclosed busbar in the process of running, often faces the shake of unit, the variation of bus internal-external temperature difference, foundation of civil work
The factors such as displacement, sealant aging influence, and cause the original sealing structure of enclosed busbar to be destroyed, the sky inside and outside bus
Gas free flow is replaced, and the water mist in outside air will invade inside bus, is polluted to bus inside.
Utility model content
Purpose of the utility model is to solve the above problems and provide a kind of enclosed busbar forced circulation drying device,
Forced circulation is carried out to bus internal gas, stable gaseous environment is provided for bus shell, it is ensured that bus shell is in steady wet
State avoids extraneous humid air from entering bus shell.
To solve the above-mentioned problems, the technical solution adopted in the utility model is as follows:
Enclosed busbar forced circulation drying device, which is characterized in that the gas outlet connection roots blower 2 of enclosed busbar 1, two
A drier 3 is set side by side, and Routs blower vent is connect with two drier air inlets 31, and two drier gas outlets 32 connect
Connect two air inlets connection of the first solenoid directional control valve 4, the gas outlet of the first solenoid directional control valve 4 and the air inlet of enclosed busbar 1
Connection, is equipped with external source gas inlet pipe 5 at roots blower air inlet, and external source gas inlet pipe is equipped with air filter 51 and the
One shut-off valve 52, two drier gas outlets 32 are also connected with two air inlets connection of the second solenoid directional control valve 6, and the second electromagnetism changes
Drier exhaust pipe 7 is connected to the gas outlet of valve 6, drier exhaust pipe is equipped with the second shut-off valve 71, two drier outlets
Electric heater 8 is respectively equipped on 32 pipelines of mouth；Enclosed busbar 1 is equipped with humidity sensor 11, pressure sensor 12, humidity sensor
Device 11, pressure sensor 12 are connect with 9 signal of controller respectively, controller 9 and electric heater 8, roots blower 2, the first electromagnetism
Reversal valve 4, the connection of 6 signal of the second solenoid directional control valve.
The utility model has the beneficial effects that
(1) start roots blower, the utility model can be according to humidity value in set bus to enclosed busbar enclosure interior
Gas carry out forced circulation, gas removes the water mist in internal gas by drier, carries out to the gas in enclosed busbar
It is dry；
(2) when the gas humidity in the enclosed busbar that humidity sensor detects is more than setting value, roots blower starting,
It runs after a certain period of time, if the gas humidity in the enclosed busbar that humidity sensor detects illustrates institute still above setting value
The drier used needs to regenerate without drying capacity, and controller controls the first solenoid directional control valve, the second solenoid directional control valve
Switching, controller starting needs the corresponding electric heater of regenerative dryer, using other drier to gas dry, closing
Gas forced circulation in bus, until gas humidity reaches setting value；When in the enclosed busbar that pressure sensor detects
When gas pressure is low, the first shut-off valve is opened, external source gas make-up gas is provided for enclosed busbar, until the gas in enclosed busbar
Body pressure reaches certain normal pressure；The utility model can make enclosed busbar enclosure interior gas be in stable pressure, avoid
Extraneous humid air invades enclosed busbar enclosure interior.
(3) two drier dryings, regeneration synchronize, alternately, and left side drier is to gas dry, and right side drier is again
When raw, air inlet open on the left of the first solenoid directional control valve, the inlet close on the right side of the first solenoid directional control valve, the second electromagnetism changed
Inlet close on the left of to valve, the air inlet open on the right side of the second solenoid directional control valve, the second cut-off on drier exhaust pipe
Valve is opened, and the gas that roots blower comes out is changed by air inlet, the first electromagnetism on the left of left side drier, the first solenoid directional control valve
To the gas outlet of valve, subsequently into enclosed busbar；The gas that roots blower comes out passes through right side drier simultaneously, in drier
Moisture is drained into outside by the gas outlet of air inlet, the second solenoid directional control valve on the right side of the second solenoid directional control valve, drier exhaust pipe
In atmosphere, controller controls two air inlets of the first solenoid directional control valve, two air inlets of the second solenoid directional control valve are cut
It changes, therefore regeneration, the drying of two driers can synchronize, alternately, improves working efficiency, extend desiccant uses week
Phase.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is each component annexation figure of enclosed busbar forced circulation drying device described in the utility model；
Description of symbols:
Enclosed busbar -1, humidity sensor -11, pressure sensor -12, roots blower -2, drier -3, drier air inlet
Mouth -31, drier gas outlet -32, the first solenoid directional control valve -4, external source gas inlet pipe -5, air filter -51, first section
Only valve -52, the second solenoid directional control valve -6, drier exhaust pipe -7, the second shut-off valve -71, electric heater -8, controller -9.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, to make the protection scope of the utility model apparent clear
Define.
It participates in shown in Figure of description 1, enclosed busbar forced circulation drying device, the gas outlet of enclosed busbar 1 connects sieve
Thatch blower 2, roots blower provide circulation power for the gas circulation in enclosed busbar, and two driers 3 are set side by side, Luo Cifeng
Machine gas outlet is connect with two drier air inlets 31, is respectively equipped with electric heater 8 on two 32 pipelines of drier gas outlet, and two
A drier gas outlet 32 connects two air inlets connection of the first solenoid directional control valve 4, the gas outlet of the first solenoid directional control valve 4 with
The air inlet of enclosed busbar 1 connects, this specific embodiment the first solenoid directional control valve model electric three passes ball valve 3BV3-
The gas outlet of E50AL16L1, the first solenoid directional control valve 4 are normally opened, the first solenoid directional control valve in drying regime drier side
Air inlet is in the open state, and the air inlet of the first solenoid directional control valve in reproduced state drier side is in close state,
External source gas inlet pipe 5 is equipped at roots blower air inlet, external source gas inlet pipe is equipped with air filter 51 and first section
The first shut-off valve is opened, external source gas is in Roots when the gas leak in enclosed busbar causes gas pressure low in only valve 52
Gas supplement is carried out to bus under the power of blower, the external source gas of air filter is filtered purification, this specific embodiment
Air filter model M33 × 1.5/φ 130, two drier gas outlets 32 are also connected with two of the second solenoid directional control valve 6
Air inlet connection, the gas outlet of the second solenoid directional control valve 6 connect drier exhaust pipe 7, and drier exhaust pipe is equipped with second section
Only valve 71, this specific embodiment the second solenoid directional control valve model electric three passes ball valve 3BV3-E25AL16L1, when needs are to dry
When dry device is regenerated, controller opens its corresponding heater, and the second shut-off valve on drier exhaust pipe is opened, and second
The gas outlet of solenoid directional control valve is opened, and the air inlet of the second solenoid directional control valve in drying regime drier side, which is in, closes shape
The air inlet of state, the second solenoid directional control valve in reproduced state drier side is in the open state；Enclosed busbar 1 is equipped with wet
Sensor 11, pressure sensor 12 are spent, envelope humidity sensor 11, pressure sensor 12 connect with 9 signal of controller respectively, control
Device 9 is connect with electric heater 8, roots blower 2, the first solenoid directional control valve 4,6 signal of the second solenoid directional control valve.Work as humidity sensor
When the gas humidity in enclosed busbar detected is more than setting value, controller starts roots blower, the gas in enclosed busbar
Forced circulation, until gas humidity reaches setting value；When roots blower starting is run after a certain period of time, if humidity sensor is examined
The gas humidity in enclosed busbar measured illustrates that used drier without drying capacity, needs still above setting value
It regenerates, controller controls the switching of the first solenoid directional control valve, the second solenoid directional control valve, and controller starting needs regenerative dryer
Corresponding electric heater, using other drier to gas dry, gas forced circulation in enclosed busbar, until gas is wet
Degree reaches setting value；When the gas pressure in the enclosed busbar that pressure sensor detects is low, the first shut-off valve is opened, for envelope
Close nut line provides external source gas make-up gas, until the gas pressure in enclosed busbar reaches certain normal pressure.
Desiccant inside this specific embodiment drier is Na2O·Al2O3·2SiO29/2H2O molecular sieve needs
It is replaced and is regenerated with dry air at 150 ~ 210 DEG C, drier exhaust pipe 7 is equipped with temperature sensor, and temperature sensor passes through control
Device processed connect control by signal with electric heater, makes it dry device internal air temperature in regeneration range.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, retouching in above embodiments and description
The preference of only the utility model is stated, the utility model is not limited by above-mentioned preference, is not departing from the utility model
Under the premise of spirit and scope, the utility model can also have various changes and modifications, these changes and improvements both fall within practical
In novel claimed range.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (1)
1. enclosed busbar forced circulation drying device, which is characterized in that the gas outlet of enclosed busbar (1) connects roots blower (2),
Two driers (3) are set side by side, and Routs blower vent is connect with two drier air inlets (31), two drier outlets
Two air inlets connection of mouth (32) connection the first solenoid directional control valve (4), the gas outlet of the first solenoid directional control valve (4) and closing mother
The air inlet of line (1) connects, and is equipped with external source gas inlet pipe (5) at roots blower air inlet, and external source gas inlet pipe is equipped with
Air filter (51) and the first shut-off valve (52), two drier gas outlets (32) are also connected with the second solenoid directional control valve (6)
Two air inlet connections, the gas outlet of the second solenoid directional control valve (6) connect drier exhaust pipe (7), set on drier exhaust pipe
Have the second shut-off valve (71), is respectively equipped with electric heater (8) on two drier gas outlet (32) pipelines；On enclosed busbar (1)
Equipped with humidity sensor (11), pressure sensor (12), humidity sensor (11), pressure sensor (12) respectively with controller
(9) signal connects, controller (9) and electric heater (8), roots blower (2), the first solenoid directional control valve (4), the second electromagnetic switch
The connection of valve (6) signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920280765.3U CN209488125U (en) | 2019-03-06 | 2019-03-06 | Enclosed busbar forced circulation drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920280765.3U CN209488125U (en) | 2019-03-06 | 2019-03-06 | Enclosed busbar forced circulation drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209488125U true CN209488125U (en) | 2019-10-11 |
Family
ID=68134218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920280765.3U Active CN209488125U (en) | 2019-03-06 | 2019-03-06 | Enclosed busbar forced circulation drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209488125U (en) |
-
2019
- 2019-03-06 CN CN201920280765.3U patent/CN209488125U/en active Active
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