CN202068116U - Positive-pressure omniseal solid insulation switch equipment - Google Patents
Positive-pressure omniseal solid insulation switch equipment Download PDFInfo
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- CN202068116U CN202068116U CN2011201513675U CN201120151367U CN202068116U CN 202068116 U CN202068116 U CN 202068116U CN 2011201513675 U CN2011201513675 U CN 2011201513675U CN 201120151367 U CN201120151367 U CN 201120151367U CN 202068116 U CN202068116 U CN 202068116U
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Abstract
The utility model relates to solid insulation equipment, in particular to positive-pressure omniseal solid insulation switch equipment which is suitable for running in underground, water and extremely moist environments. The solid insulation switch equipment comprises an omniseal anti-corrosion metal shell; a public bus system is arranged on the metal shell; one end of the public bus system is connected with a replaceable solid insulation switch unit; the other end of the replaceable solid insulation switch unit is connected with a pressure and humidity control unit; a dry compressed air storage unit is arranged at the side of the replaceable solid insulation switch unit and the pressure and humidity control unit; and solid insulation layers are coated at the outer layers of the public bus system, the replaceable solid insulation switch unit, the pressure and humidity control unit and the dry compressed air storage unit. The positive-pressure omniseal solid insulation switch equipment of the utility model has very strong environmental adaptiveness, compactness in structure and extremely high safe reliability and is free from maintenance for a long time.
Description
Technical field
The utility model relates to a kind of solid insulation equipment, especially a kind ofly is suitable for operating in underground, the water and a kind of normal pressure fully closed solid insulated switching installation in the extreme wet environment.
Background technology
The power switch switchgear that development at present can be adapted at normal operation under the exceedingly odious condition is the inevitable demand of power industry development.
The various special equipments of existing design and use have mainly adopted modes such as gas-insulated, solid insulation and air insulation, but all switchgears all can only be fit to operation on the ground, and operational environment had higher requirement, be not suitable for being installed to existing switchgear in the low soil or being placed directly in the water.Special equipment is still based on air insulation at present, just poor to adaptive capacity to environment itself, particular job environment that more can not adapt to serious humidity, the main cause of the existing special equipment adaptive capacity to environment of restriction is: (1) equipment mainly relies on the surrounding air insulation, and insulation and connecting-disconnecting function all seriously descend when the large quantity of moisture access arrangement is inner; (2) the main detecting instrument of equipment, in the environment that operating mechanism all is exposed to atmosphere communicates, the metal shell of equipment only possesses the ability that prevents that foreign matter etc. from entering, the ability that does not possess opposing external humidification gas even current access arrangement does not possess the basic safeguard procedures of opposing adverse circumstances to the negative effect of equipment component.
Special equipment and low-voltage power line inserted in the soil under the face of land have very significant meaning, the final realization of its scheme can be saved the floor space of equipment, increases fail safe, all has great importance for urban renewal and environmental protection.
When running special equipment when underground, environment is very moist, seriously corroded and also near have serious ponding, in addition, when equipment operation was in underground, water, personnel cannot be as other switchgear of operation
Equally equipment is carried out this locality control, so must design complete, state feedback and Control on Communication measure reliably, running status controlled, that can survey that assurance equipment is in all the time, this all is the time problem that must solve that design and development is adapted at the low-voltage equipment under the particular surroundings.
In addition, along with the technology of utilizing tidal energy and power generation with marine energy is more and more ripe, coastal wind power station also increases sharply, these special electric power places all require power equipment to possess better adaptive capacity to environment, if that power equipment can operate in is underground, in the water and in the extreme wet environment, in the design of above-mentioned electricity generation system and placement process, will have greater flexibility.
The utility model content
The technical problems to be solved in the utility model is: overcome the deficiency in the prior art, a kind of normal pressure fully closed solid insulated switching installation is provided.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of normal pressure fully closed solid insulated switching installation, comprise hermetic anticorrosion metal shell, metal shell is provided with the common bus system, the one end is connected with interchangeable solid insulation switch unit, the other end of interchangeable solid insulation switch unit is connected with pressure and humidity controlling unit, side at interchangeable solid insulation switch unit and pressure and humidity controlling unit is provided with dried compressed air gas storage unit, in the common bus system, interchangeable solid insulation switch unit, the skin of pressure and humidity controlling unit and dried compressed air gas storage unit is enclosed with solid insulating layer.
Described metal shell is by the stainless steel material punching press of 3-6mm, is welded.
Described common bus system comprises horizontal bus system and vertical bus system, and the two ends of horizontal bus system are the plug type bus linkage unit of taper, and the two ends of vertical bus system are provided with the plug type bus tie point of taper.
Described interchangeable solid insulation switch unit comprises six bus plug interfaces and has the standard interchangeable unit of three splicing ears of a plurality of waterproof.
Described pressure and humidity controlling unit comprise high pressure dried compressed air gas storage unit, temperature and humidity sensor, pressure sensor and pressure and humidity regulation device.
Described common bus system, interchangeable solid insulation switch unit, pressure and humidity controlling unit and dried compressed air gas storage unit by screw on metal shell.
The beneficial effects of the utility model are: the utility model adopts hermetically sealed, etch-proof metal shell structure, and the solid insulation mode is adopted in inner conduction primary circuit, and all live parts are wrapped up by solid insulating layer; In airtight fully metal shell, can charge into the dried compressed air that is higher than ambient pressure, be provided with the making-up air device of hyperpressure simultaneously in inside, under the effect of pressure control unit, the pressure in maintained switch device interior space is higher than ambient pressure all the time lastingly, keep the drying of device interior, make it can under harsh environmental conditions, stably keep the normal running (operation) conditions of inner each element and energized circuit all the time, has extremely strong adaptive capacity to environment, compact conformation, security reliability is high, and can realize over a long time non-maintaining.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a structural representation of the present utility model.
Among the figure: 1. metal shell, 2. common bus system, 3. interchangeable solid insulation switch unit, 4. pressure and humidity controlling unit, 5. dried compressed air gas storage unit.
Embodiment
With preferred embodiment the utility model is further described in conjunction with the accompanying drawings now.These accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
A kind of normal pressure fully closed solid insulated switching installation as shown in Figure 1, it is characterized in that: comprise hermetic anticorrosion metal shell 1, metal shell 1 is provided with common bus system 2, the one end is connected with interchangeable solid insulation switch unit 3, the other end of interchangeable solid insulation switch unit 3 is connected with pressure and humidity controlling unit 4,3 are provided with dried compressed air gas storage unit 5 with a side of pressure and humidity controlling unit 4 in interchangeable solid insulation switch unit, in common bus system 2, interchangeable solid insulation switch unit 3, pressure and humidity controlling unit 4 are enclosed with solid insulating layer with the skin of dried compressed air gas storage unit 5, and solid insulating layer is made of epoxy resin and silicon rubber.
Metal shell 1 is by the stainless steel material punching press of 3-6mm, is welded, except the bus tie point and control circuit tie point of necessity, metal shell has formed continuous and a seal metal pressure container, in the design course of processing, the bearing capacity and the sealability of metal shell are all passed through strict design and test, metal shell has been isolated the inside and outside two-part space of equipment fully, and interior or exterior space gas each other can not convection current and exchange under the normal condition.
During the equipment operate as normal, the canister inside of sealing charges into dry compressed air, and compressed air pressure is higher than ambient pressure or hydraulic pressure; Even because defective workmanship causes metal shell trickle seepage to occur, the seepage direction is outside all the time, promptly only may be that the pressure inside air outwards flows, external humidification gas or moisture are to the not influence of normal running conditions of device interior parts.Compressed-air actuated degree of drying of device interior and pressure carry out closed-loop control by pressure and humidity controlling unit 4, when Inside Air Temperature and humidity are all low, control device starts heater inner air is heated, when the device interior air capacity is not enough to keep inner service pressure, the outlet valve that is installed in the compressed gas cylinder of device interior under the control of air pressure control unit is opened, an amount of compressed air adds to device interior, and the compressed air of the new part drying that discharges can help to keep the pressure state of device interior.
Common bus system 2 is divided into A, B, C three-phase, comprise that horizontal bus system, vertical bus system reach and the contact of each branch bar, the two ends of horizontal bus system are the plug type bus linkage unit of taper, and the two ends of vertical bus system are provided with the plug type bus tie point of taper.The horizontal bus system divides the position three-phase, each equidistantly distributes mutually in the horizontal direction, spacing distance is by rated voltage and the decision of solid insulation intensity, and leave suitable surplus, bus bulk wraps up with solid insulating material, at each horizontal bus two ends are bus linkage units of the plug type of taper, the bus linkage unit has good solid insulating layer and waterproof measure, the bus linkage unit is fixed on the metal shell of switch element on the one hand, realize the connection of different switchgear cabinet bus-bar systems, also play the effect of support and fixing horizontal bus on the other hand; The vertical bus system of switchgear inside is the parallel equipment bottom that extends to from switchgear top, primary circuit, all solids insulated switch unit is coupled together, all vertical buses are all tightly wrapped up by solid insulating material, possess good insulation performance intensity, the plug type bus tie point of special-purpose taper is arranged on vertical bus; The branch bar tie point also is the plug-in structure of solid insulation, has sealability, on the structure with the similar structure of switchgear cabinet bus linkage unit.
Interchangeable solid insulation switch unit 3 is integral units, electric parameter and the outside size for connection (unit of identical voltage and current class can exchange fully) of installing with standard, comprise six bus plug interfaces and standard interchangeable unit with three splicing ears of a plurality of waterproof, three bus plug interfaces are connected on the vertical solid insulation bus, and its excess-three bus plug interface is by being connected to the plug-in feeder line interface that is installed in the switchgear rear portion.
A bus of branch has passed the vacuum extinction unit of 3 inside, interchangeable solid insulation switch unit in the integrated solid insulation that six bus plug interfaces are installed, deciliter control in loop is realized in the vacuum extinction unit under the control of insulating part exterior mechanical operating mechanism, interchangeable solid insulation switch unit 3 has comprised the parts of solid insulation and the operational measure assembly of integrated casting on the whole, and two parts by the unit metal frame fixation together.
The operational measure assembly of interchangeable solid insulation switch unit 3 has comprised mechanical operating mechanism, protection and measurement mechanism are reaching other assist control part, the switch of described interchangeable solid insulation switch unit 3 adopts vacuum extinction, vacuum interrupter and all primary circuit parts are all wrapped up fully by silicon rubber and epoxy insulation material, and the thickness of insulating material satisfies the requirement that moves needed dielectric strength and creepage distance under the normal air condition; Solid insulation switch unit 3 all outside tie points and secondary tie point have also been taked reliable waterproof measure except considering factors such as dielectric strength and creepage distance, the wet gas that can prevent the stop element outside contacts with the low pressure primary circuit with moisture, has improved the reliability of solid insulation switch unit; The branch of switch in the interchangeable solid insulation switch unit 3, close, energy storage etc. all adopts electric operating, the branch closing operation that promptly adopts motor-driven energy storage and solenoid to drive, energy storage motor has also been strengthened the movable sealing ability.
Pressure and humidity controlling unit 4 are arranged on the bottommost of normal pressure fully closed solid insulation special equipment, comprise high pressure dried compressed air gas storage unit, temperature and humidity sensor, pressure sensor and pressure and humidity regulation device.Pressure and humidity controlling unit 4 are realized the closed-loop adjustment of pressure, two amounts of humidity, the compressed gas cylinder of switchgear bottom has stored the dry air of pressure far above the device interior normal air pressure, when Inside Air Temperature and humidity were all low, control device started heater inner air is heated; When device interior gas exceeds critical level to external leakage, internal pressure descend more and the inner air quantity not sufficient when keeping normal air pressure inside, control device is opened the outlet valve of dried compressed air gas storage unit 5, an amount of high pressure air enters the switchgear inner space, improves the total amount of internal unit space dried compressed air.
A kind of normal pressure fully closed solid insulated switching installation also comprises solid insulation ground connection isolated location, and solid insulation ground connection isolated location is by six bus connectivity ports, airtight cavity volume, mobile conductive pole and grounding ports constitute up and down.Solid insulation ground connection isolated location has leading-out terminal ground connection, isolation and three positions of work, slides along airtight cavity volume by mobile conductive pole and realizes.At the leading-out terminal earthing position, mobile conductive pole is positioned at the rear portion, and three outlet port conductors of bottom, unit are connected with earth bus; In the isolated location, mobile conductive pole is positioned at the middle part, and three outlet ports are unsettled, are not connected with grounding ports with the inlet wire port on top; In the service position, mobile conductive pole is positioned at foremost, and three inlet wire ports on three outlet ports and top link to each other respectively.
The tie point of inner all primary circuits of a kind of normal pressure fully closed solid insulated switching installation has all adopted the plug-in structure of outer solid insulation, take tight containment measures to prevent that the inside and outside gas of insulator interface from flowing mutually on the structure, the tie point of all primary circuits of device interior also adopts the plugged joint of waterproof.Common bus system 2, interchangeable solid insulation switch unit 3, pressure and humidity controlling unit 4 and dried compressed air gas storage unit 5 by screw on metal shell 1.
Though the dried compressed air of device interior has actual insulation effect, but the insulation of equipment primary circuit and creepage distance are the solid insulating layer assurances by complete closed in design and test process, equipment primary circuit and all tie points all are insulated material and wrap up fully, so even device interior seriously infiltrates wet gas and the also not safe operation of appreciable impact equipment immediately of moisture.
The foregoing description only is explanation technical conceive of the present utility model and characteristics; its purpose is to allow the personage that is familiar with this technology can understand content of the present utility model and is implemented; can not limit protection range of the present utility model with this; all equivalences of being done according to the utility model spirit change or modify, and all should be encompassed in the protection range of the present utility model.
Claims (6)
1. normal pressure fully closed solid insulated switching installation, it is characterized in that: comprise hermetic anticorrosion metal shell (1), metal shell (1) is provided with common bus system (2), the one end is connected with interchangeable solid insulation switch unit (3), the other end of interchangeable solid insulation switch unit (3) is connected with pressure and humidity controlling unit (4), side at interchangeable solid insulation switch unit (3) and pressure and humidity controlling unit (4) is provided with dried compressed air gas storage unit (5), in common bus system (2), interchangeable solid insulation switch unit (3), pressure and humidity controlling unit (4) are enclosed with solid insulating layer with the skin of dried compressed air gas storage unit (5).
2. a kind of normal pressure fully closed solid insulated switching installation according to claim 1 is characterized in that: described metal shell (1) is by the stainless steel material punching press of 3-6mm, is welded.
3. a kind of normal pressure fully closed solid insulated switching installation according to claim 1, it is characterized in that: described common bus system (2) comprises horizontal bus system and vertical bus system, the two ends of horizontal bus system are the plug type bus linkage unit of taper, and the two ends of vertical bus system are provided with the plug type bus tie point of taper.
4. a kind of normal pressure fully closed solid insulated switching installation according to claim 1 is characterized in that: described interchangeable solid insulation switch unit (3) comprises six bus plug interfaces and has the standard interchangeable unit of three splicing ears of a plurality of waterproof.
5. a kind of normal pressure fully closed solid insulated switching installation according to claim 1 is characterized in that: described pressure and humidity controlling unit (4) comprise high pressure dried compressed air gas storage unit, temperature and humidity sensor, pressure sensor and pressure and humidity regulation device.
6. a kind of normal pressure fully closed solid insulated switching installation according to claim 1 is characterized in that: described common bus system (2), interchangeable solid insulation switch unit (3), pressure and humidity controlling unit (4) and dried compressed air gas storage unit (5) by screw on metal shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201513675U CN202068116U (en) | 2011-05-13 | 2011-05-13 | Positive-pressure omniseal solid insulation switch equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201513675U CN202068116U (en) | 2011-05-13 | 2011-05-13 | Positive-pressure omniseal solid insulation switch equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202068116U true CN202068116U (en) | 2011-12-07 |
Family
ID=45061969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201513675U Expired - Lifetime CN202068116U (en) | 2011-05-13 | 2011-05-13 | Positive-pressure omniseal solid insulation switch equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202068116U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102315605A (en) * | 2011-05-13 | 2012-01-11 | 常州森隆电力科技有限公司 | Special equipment of positive-pressure full-sealed solid insulated switch |
-
2011
- 2011-05-13 CN CN2011201513675U patent/CN202068116U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102315605A (en) * | 2011-05-13 | 2012-01-11 | 常州森隆电力科技有限公司 | Special equipment of positive-pressure full-sealed solid insulated switch |
| CN102315605B (en) * | 2011-05-13 | 2014-09-10 | 常州森隆电力科技有限公司 | Special equipment of positive-pressure full-sealed solid insulated switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI NANHUA LANLING ELECTRIC CO., LTD. Free format text: FORMER OWNER: CHANGZHOU SENLONG ELECTRICAL TECHNOLOGY CO., LTD. Effective date: 20150121 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 213001 CHANGZHOU, JIANGSU PROVINCE TO: 201111 |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150121 Address after: 201111 Shuguang Road, Shanghai, Minhang District, No. 1515 Patentee after: Shanghai Nanhua Lanling Electric Co., Ltd. Address before: Tianning District 213001 Jiangsu city of Changzhou province Wu Road West Pottery Village No. 84 Patentee before: Changzhou Senlong Electric Power Technology Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111207 |