CN201126938Y - Gas-filling cabinet with viewing view-window - Google Patents
Gas-filling cabinet with viewing view-window Download PDFInfo
- Publication number
- CN201126938Y CN201126938Y CNU200720171248XU CN200720171248U CN201126938Y CN 201126938 Y CN201126938 Y CN 201126938Y CN U200720171248X U CNU200720171248X U CN U200720171248XU CN 200720171248 U CN200720171248 U CN 200720171248U CN 201126938 Y CN201126938 Y CN 201126938Y
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- Prior art keywords
- inflation
- observation window
- phase
- insulator
- cabinet
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Abstract
The utility model discloses a gas filled cabinet with an observation window, comprising a gas filled box body and an operation mechanism chamber that are interconnected; the gas filled cabinet is a seal box body which is filled with sulphur hexafluoride gas with certain working pressure, the seal boxy body is installed inside with a three working position load switch component; two sides of the gas filled box body is respectively provided with a three phase inlet end insulator and a three phase outlet end insulator, the gas filled cabinet is also provided with the observation window for observing motions of the three working position load switch component. Compared with prior art, the gas filled cabinet of the utility model has the unique technology in the power distribution industry on account of installation of the observation window, thus having novelty and creativity; switch-on, switch-off and grounded states of the three working position load switch component can be observed via the window, which is convenient for check and maintenance for the apparatus.
Description
Technical field
The utility model relates to a kind of gas-insulated switchgear assembly, particularly a kind of inflation cabinet that adopts sulfur hexafluoride gas-insulating.
Background technology
The existing switchgear that is widely used in the three-phase ac power system mostly is air-insulated switchgear.For guarantee between current carrying part and the current carrying part (abbreviation phase and phase) and current carrying part and grounded part (abbreviation phase and ground) between not by voltage breakdown, must guarantee enough air insulation distances.The switchgear that has isolating switch and earthed switch, its circuit breaker, isolating switch and earthed switch must be installed in three different compartments.The volume of switchgear is inevitable bigger, and cost is higher.
Sulphur hexafluoride (SF6) gas comes across earlier 1900s, and it is sulphur formed gas when burning in the gas of fluorine.SF6 gas is a kind of colourless, tasteless, nontoxic, gaseous material of combustion chemistry stable performance not in the normal state, and its density approximately is 5 times of air.Because the elecrtonegativity of its molecule, have very strong absorption free electron and form the ability of anion, thereby its electric strength height, have excellent insulation property.Its dissociation temperature is low, and dissipation energy is big, also is a kind of gas with excellent arc extinction performance.SF6 gas with its good insulation property and arc extinction performance with and gas have aphlogistic characteristic, progressively be used for electric equipment as novel dielectric by people.
For this reason, it is 200620014478 utility application that the applicant had once proposed application number, this application provides a kind of inflation cabinet that adopts sulfur hexafluoride gas-insulating, comprise interconnective inflation casing and operating mechanism chamber, described inflation casing is the seal case that charges into certain operating pressure SF6 gas, and the three-stations load switch assembly is housed in it; The both sides of inflation casing are respectively equipped with one group of three-phase inlet side insulator and one group of three-phase goes out to hold insulator, the inlet wire cable is connected via the upper static contact of inlet side insulator with the three-stations load switch assembly, and the outlet cable is via going out to hold insulator to be connected with the following fixed contact of three-stations load switch assembly; The lower bottom part of inflation casing is equipped with pressure relief device.This inflation cabinet is safe in utilization, reliability is high, simple to operate, non-maintaining, easy for installation, and not influenced by external environmental condition.
It is 200620014478 utility application that the applicant has also proposed application number, this application provides the inflation cabinet of another kind of employing sulfur hexafluoride gas-insulating, comprise interconnective inflation casing and operating mechanism chamber, described inflation casing is the seal case that charges into certain operating pressure SF6 gas, and the three-stations load switch assembly is housed in it.The inlet wire side of inflation casing is provided with one group of three-phase inlet side insulator, the outlet side is provided with two groups and goes out to hold three phase isolated, and two groups of three-phases of outlet side go out to hold insulator to connect by copper bar, like this, the inflation cabinet can insert two different outlet circuits simultaneously, so that control more load or subordinate's controller switching equipment simultaneously.Perhaps, the inlet wire side of inflation casing is provided with two groups of three-phase inlet side insulators, the outlet side is provided with one group of three-phase and goes out to hold insulator, two groups of three-phase inlet side insulators of inlet wire side connect by copper bar, like this, the inlet wire side can insert two different inlet wire circuits simultaneously, in case wherein inlet wire circuit breaks down and occurs opening circuit or when needing temporarily disconnected to keep in repair, thereby another inlet wire circuit still can normally transmit electric power and guarantees next stage controller switching equipment or terminal use's normal electricity consumption needs.
In addition, it is 200620014480 utility application that the applicant has proposed application number again, this application provides another to adopt the inflation cabinet of sulfur hexafluoride gas-insulating, comprise interconnective inflation casing and operating mechanism chamber, described inflation casing is the seal case that charges into certain operating pressure SF6 gas, and the three-stations load switch assembly is housed in it; The both sides of inflation casing are respectively equipped with two groups of three-phase inlet side insulators and two groups of three-phases go out to hold insulator, and two groups of three-phase inlet side insulators connect by copper bar, and two groups of three-phases go out to hold insulator also to connect by copper bar.Like this, the inlet wire side can insert two different inlet wire circuits simultaneously, in case wherein inlet wire circuit breaks down and occurs opening circuit or when needing temporarily disconnected to keep in repair, thereby another inlet wire circuit still can normally transmit electric power and guarantee next stage controller switching equipment or terminal use's normal electricity consumption needs, and, also can insert two different outlet circuits simultaneously,, thereby strengthen the reliability of equipment so that control more load or subordinate's controller switching equipment simultaneously.
But,, give the maintenance of the equipment profit that brings some inconvenience because above-mentioned inflation cabinet can't be from the action situation of the three-stations load switch assembly of outside Real Time Observation inside.
The utility model content
The purpose of this utility model is at the deficiencies in the prior art, and a kind of inflation cabinet with observation window is provided, and it is convenient to observe, safe in utilization, maintenance convenience.
For solving the problems of the technologies described above, the utility model has adopted following technical scheme: design a kind of inflation cabinet with observation window, comprise interconnective inflation casing and operating mechanism chamber, described inflation casing is the seal case that charges into certain operating pressure sulfur hexafluoride gas, and the three-stations load switch assembly is housed in it; The both sides of inflation casing are respectively equipped with three-phase inlet side insulator and three-phase goes out to hold insulator, and described inflation also is provided with the observation window that can observe described three-stations load switch assembly action cashier's office in a shop.
Preferably, described observation window is positioned at the front of operating mechanism chamber; The shape of observation window can be square, rectangle, circle, ellipse, triangle or other shapes.
In first kind of execution mode, described three-phase inlet side insulator and three-phase go out to hold insulator respectively to have one group.
In second kind of execution mode, described three-phase inlet side insulator has two groups, and described three-phase goes out to hold insulator to have one group.
In the third execution mode, described three-phase inlet side insulator has one group, and described three-phase goes out to hold insulator to have two groups.
In the 4th kind of execution mode, described three-phase inlet side insulator and three-phase go out to hold insulator respectively to have two groups.
The seal case of described inflation casing for adopting corrosion resistant plate to be welded, components and parts such as on-load switch, earthed switch and bus are sealed in the casing that charges into sulfur hexafluoride gas, isolated fully with external environment condition, be not subjected to the influence of air environmental pollution, therefore have all weather operations performance, and can be non-maintaining.
The Pressure gauge that is used to monitor sulfur hexafluoride gas pressure in the inflation casing is housed on the described operating mechanism chamber, can monitors the pressure of sulfur hexafluoride gas in the casing, guarantee the fail safe of switch operation.
The lower bottom part of described inflation casing is equipped with pressure relief device, and when arc fault occurring, when gas pressure reached 0.18 (± 0.03) MPa, pressure relief device explosion reliably ensured operating personnel's personal safety.
Compared with prior art, inflation cabinet of the present utility model forms unique technology owing to increased observation window in the distribution industry, have novelty and creativeness.Can be observed separating brake, combined floodgate, the ground state of three-stations load switch assembly by this form, be convenient to maintenance equipment.
Description of drawings
Fig. 1 is the Facad structure schematic diagram of first kind of execution mode of the utility model;
Fig. 2 is the inlet wire side structure schematic diagram of execution mode shown in Figure 1;
Fig. 3 is the outlet side structure schematic diagram of execution mode shown in Figure 1;
Fig. 4 is the plan structure schematic diagram of execution mode shown in Figure 1;
Fig. 5 is the Facad structure schematic diagram of second kind of execution mode of the utility model;
Fig. 6 is the Facad structure schematic diagram of the third execution mode of the utility model;
Fig. 7 is the Facad structure schematic diagram of the 4th kind of execution mode of the utility model.
Embodiment
Referring to Fig. 1 to Fig. 4, first kind of execution mode of the present utility model connected to form by sulphur hexafluoride (SF6) inflation casing 1, operating mechanism chamber 2, they can be made as separate modular respectively, only need to connect with regard to one-tenth capable of being combined inflation cabinet of the present utility model with screw.
The seal case that inflation casing 1 is welded for the employing corrosion resistant plate, charge into operating pressure in it and be 1.4bar SF6 gas, in the inflation casing 1 that components and parts such as three-stations load switch assembly and bus are sealed in, isolated fully with external environment condition, also non-maintaining to guarantee the influence that not changed by external environment condition.Can be installed on humidity, rocky many dirt, salt dirt, mine, box-type substation and any owing to air pollution easily causes the place of surperficial pollution flashover and needn't take special precautionary measures.Molecular sieve is equipped with in bottom in the inflation casing 1, is used for absorbing the micro-moisture of SF6 gas, guarantees SF6 gas good insulation performance performance.The three-stations load switch assembly is to close to close, to cut-off the operating current in loop or the functional unit of overload current, and connects, isolates major loop or with loop ground connection by three-station.
The both sides of inflation casing 1 are respectively equipped with one group of three-phase inlet side insulator 4 and one group of three-phase goes out to hold insulator 5, described inlet side insulator and go out to hold insulator to be flood control type insulator.The inlet wire cable is connected with the upper static contact of three-stations load switch assembly via three-phase inlet side insulator 4, and the outlet cable goes out to hold insulator 5 to be connected with the following fixed contact of three-stations load switch assembly via three-phase.In the present embodiment, three-phase inlet side insulator 4 goes out to hold insulator 5 to be located on the identical height with three-phase, and the in-out end insulator is to the ground level unanimity, and install at more convenient scene; Certainly, as the alternative mode of another kind, also three-phase inlet side insulator 4 can be located at the top of inflation casing 1 inlet wire side, three-phase goes out to hold insulator 5 to be located at the bottom of inflation casing 1 outlet side, turnover line cable is connected on inlet wire upper lateral part and outlet side lower part respectively, and the mounting means of cable all is the same with manufacture craft.
The inlet wire side of three-stations load switch assembly is connected on the bus tie by copper bar, and bus tie is fixed on the inlet wire side plate of inflation casing 1 with pressing plate; The outlet side of three-stations load switch assembly also is connected on the outer conehead of cable that three-phase goes out to hold insulator 5 by copper bar, and the outer conehead of cable is fixed on the outlet side plate of inflation casing 1 with pressing plate.Three-phase goes out to hold insulator 5 will go out line current to cause next stage controller switching equipment or user.Bus tie is used to connect major loop, will inflate casing 1 simultaneously and be isolated from the outside out.The outer conehead of cable is positioned at the outlet side of inflation cabinet, is used for inflation casing 1 is isolated from the outside out.The inflation casing 1 that the outer conehead of cable, bus tie, three-stations load switch assembly are installed constitutes a high voltage package, all high pressure current-carrying parts are installed in the inside of inflation casing 1, and three-phase inlet side insulator 4, bus tie, three-stations load switch assembly, the outer conehead of cable, three-phase go out to hold insulator 5 to form the high pressure galvanic circle.
Bus is fixed on the top of inflating casing 1 by bus-bar insulator, only needs just can expand by bus tie.The expansion bus is for insulating fully and shield, and is to guarantee the influence that not changed by external environment condition also non-maintaining.Outside stube cable adopts the silicone rubber for cable material, makes cable joint and external environment condition isolated fully, has avoided being subjected to air environmental pollution, and toy and flood damage are to the influence of switch cubicle.
To inflate casing 1 with vacuum pump and be extracted into vacuum state, through the high-purity nitrogen pressurize, be defined as air tight after, charging into SF6 gas again is 1.4bar (room temperature 20 degree) to pressure.With being higher than atmospheric SF6 gas as dielectric.
The rear lower of inflation casing 1 is equipped with pressure relief device 6, and when arc fault occurring, when gas pressure reached 0.18 (± 0.03) MPa, pressure relief device 6 explosions reliably ensured operating personnel's personal safety.
Referring to Fig. 5, second kind of execution mode of the present utility model is provided with the observation window 7 that can observe the action of three-stations load switch assembly equally in the front of operating mechanism chamber 2, be that with the difference of first kind of execution mode the inlet wire side of inflating casing is provided with two groups of three-phase inlet side insulators 4, the outlet side is provided with one group of three-phase and goes out to hold insulator 5, two groups of three-phase inlet side insulators 4 connect by copper bar, in addition, other structure is similar substantially.In the present embodiment, the inlet wire side can insert two different inlet wire circuits simultaneously, in case wherein inlet wire circuit breaks down and occurs opening circuit or when needing temporarily disconnected to keep in repair, thereby another inlet wire circuit still can normally transmit electric power and guarantees next stage controller switching equipment or terminal use's normal electricity consumption needs.
Referring to Fig. 6, the third execution mode of the present utility model is provided with the observation window 7 that can observe the action of three-stations load switch assembly equally in the front of operating mechanism chamber 2, be that with the difference of first kind of execution mode the inlet wire side of inflating casing is provided with one group of three-phase inlet side insulator 4, the outlet side is provided with two groups of three-phases and goes out to hold insulator 5, two groups of three-phases go out to hold insulator 5 to connect by copper bar, in addition, other structure is similar substantially.In the present embodiment, the inflation cabinet can insert two different outlet circuits simultaneously, so that control more load or subordinate's controller switching equipment simultaneously.
Referring to Fig. 7, the 4th kind of execution mode of the present utility model is provided with the observation window 7 that can observe three-stations load switch assembly action equally in the front of operating mechanism chamber 2, the both sides that are to inflate casing with the difference of first kind of execution mode are respectively equipped with two groups of three-phase inlet side insulators 4 and two groups of three-phases go out to hold insulator 5.Two groups of three-phase inlet side insulators 4 connect by copper bar, and two groups of three-phases go out to hold insulator 5 also to connect by copper bar.The inlet wire side can insert two different inlet wire circuits simultaneously, in case wherein inlet wire circuit breaks down and occurs opening circuit or when needing temporarily disconnected to keep in repair, thereby another inlet wire circuit still can normally transmit electric power and guarantee next stage controller switching equipment or terminal use's normal electricity consumption needs, and, also can insert two different outlet circuits simultaneously, so that control more load or subordinate's controller switching equipment simultaneously, thereby strengthened the reliability of equipment.
Above-described only is preferred implementation of the present utility model; should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the present utility model design; can also make some distortion and improvement, these all belong to protection range of the present utility model.
Claims (10)
1. the inflation cabinet with observation window comprises interconnective inflation casing and operating mechanism chamber, and described inflation casing is the seal case that charges into certain operating pressure sulfur hexafluoride gas, and the three-stations load switch assembly is housed in it; The both sides of inflation casing are respectively equipped with three-phase inlet side insulator and three-phase goes out to hold insulator, it is characterized in that: described inflation also is provided with the observation window that can observe described three-stations load switch assembly action cashier's office in a shop.
2. according to the inflation cabinet of the described band observation window of claim 1, it is characterized in that: described observation window is positioned at the front of operating mechanism chamber.
3. according to the inflation cabinet of the described band observation window of claim 2, it is characterized in that: being shaped as of described observation window is square, rectangle, circle, ellipse or triangle.
4. according to the inflation cabinet of each described band observation window of claim 1 to 3, it is characterized in that: described three-phase inlet side insulator and three-phase go out to hold insulator respectively to have one group.
5. according to the inflation cabinet of each described band observation window of claim 1 to 3, it is characterized in that: described three-phase inlet side insulator has two groups, and described three-phase goes out to hold insulator to have one group.
6. according to the inflation cabinet of each described band observation window of claim 1 to 3, it is characterized in that: described three-phase inlet side insulator has one group, and described three-phase goes out to hold insulator to have two groups.
7. according to the inflation cabinet of each described band observation window of claim 1 to 3, it is characterized in that: described three-phase inlet side insulator and three-phase go out to hold insulator respectively to have two groups.
8. according to the inflation cabinet of the described band observation window of claim 1, it is characterized in that: the seal case of described inflation casing for adopting corrosion resistant plate to be welded.
9. according to the inflation cabinet of the described band observation window of claim 1, it is characterized in that: the Pressure gauge that is used to monitor sulfur hexafluoride gas pressure in the inflation casing is housed on the described operating mechanism chamber.
10. according to the inflation cabinet of the described band observation window of claim 1, it is characterized in that: the lower bottom part of described inflation casing is equipped with pressure relief device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720171248XU CN201126938Y (en) | 2007-11-30 | 2007-11-30 | Gas-filling cabinet with viewing view-window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720171248XU CN201126938Y (en) | 2007-11-30 | 2007-11-30 | Gas-filling cabinet with viewing view-window |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201126938Y true CN201126938Y (en) | 2008-10-01 |
Family
ID=40000403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720171248XU Expired - Fee Related CN201126938Y (en) | 2007-11-30 | 2007-11-30 | Gas-filling cabinet with viewing view-window |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201126938Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895071A (en) * | 2010-06-12 | 2010-11-24 | 江苏大全长江电器股份有限公司 | Gas tank observation window of gas insulation switch cabinet |
| CN105119182A (en) * | 2015-09-15 | 2015-12-02 | 西山煤电（集团）天安电气有限责任公司 | 35kV SF6 gas-insulated switchboard with novel structure |
| CN107005032A (en) * | 2014-12-11 | 2017-08-01 | 三菱电机株式会社 | Switching device |
-
2007
- 2007-11-30 CN CNU200720171248XU patent/CN201126938Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895071A (en) * | 2010-06-12 | 2010-11-24 | 江苏大全长江电器股份有限公司 | Gas tank observation window of gas insulation switch cabinet |
| CN107005032A (en) * | 2014-12-11 | 2017-08-01 | 三菱电机株式会社 | Switching device |
| US10673212B2 (en) | 2014-12-11 | 2020-06-02 | Mitsubishi Electric Corporation | Switchgear |
| CN105119182A (en) * | 2015-09-15 | 2015-12-02 | 西山煤电（集团）天安电气有限责任公司 | 35kV SF6 gas-insulated switchboard with novel structure |
| CN105119182B (en) * | 2015-09-15 | 2018-07-10 | 西山煤电（集团）天安电气有限责任公司 | A kind of 35kV SF6Gas-filling cabinet |
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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: GUANGDONG A ER PAI POWER SCIENCE CO., LTD. Free format text: FORMER OWNER: LAN GUIGANG Effective date: 20090626 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090626 Address after: Guangdong city of Shenzhen province Nanshan District Xili town Ma Hom Village with the prosperous industrial park second building two floor, zip code: 518000 Patentee after: Guangdong Aerpai Electric Power Technology Co.,Ltd. Address before: Guangdong Province, Shenzhen City, Nanshan District science and Technology Park South eleven road with the coastal city of sunshine (two) 15 10A, zip code: 518000 Patentee before: Lan Guigang |
|
| DD01 | Delivery of document by public notice |
Addressee: Liao Haiyan Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Liao Haiyan Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081001 Termination date: 20111130 |