CN201549818U - Air-insulated 40.5 kV armored handcart-type switch cabinet - Google Patents
Air-insulated 40.5 kV armored handcart-type switch cabinet Download PDFInfo
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- CN201549818U CN201549818U CN2009202543257U CN200920254325U CN201549818U CN 201549818 U CN201549818 U CN 201549818U CN 2009202543257 U CN2009202543257 U CN 2009202543257U CN 200920254325 U CN200920254325 U CN 200920254325U CN 201549818 U CN201549818 U CN 201549818U
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Abstract
An air-insulated 40.5 kV armored handcart-type switch cabinet comprises a cabinet body and is characterized in that front doors and rear doors of the cabinet body are of side-by-side structures, and partition boards among an instrument chamber, a handcart chamber, a bus chamber and a cable chamber inside the cabinet body are armored metal partition boards; and inside the bus chamber, an A-phase bus bar, a B-phase bus bar and a C-phase bus bar are in obtuse-triangle arrangement and respectively supported by an A-phase, a B-phase and a C-phase insulators, an A-phase wall bushing, a B-phase wall bushing and a C-phase wall bushing are in an inclined-triangle shape arrangement, and an A-phase branch bar, a B-phase branch bar and a C-phase branch bar are respectively lapped with the A-phase bus bar, the B-phase bus bar and the C-phase bus bar and connected with stationary contacts inside an upper contact case. The switch cabinet has the advantages that phases inside the cabinet body are mutually insulated completely by air without using insulation baffles so as to be capable of solving problems of the insulation baffles, such as distortion, moisture absorption, tip discharge and the like, and the switch cabinet is capable of eliminating safety hidden hazards to electric network brought by insulation aging, and is an deal switch cabinet.
Description
Technical field
The utility model relates to a kind of switch cubicle, and particularly a kind of air insulation 40.5kV armouring handcart switch cabinet is applicable to that the switchgear house of 40.5kV electric pressure is accepted and the distribution electric energy, and can carries out control, protection and monitoring to circuit.
Background technology
At present, handcart switch cabinet with little, the no oiling of its volume, no fire, power supply is reliable, pollution-free, simple in structure and detect advantage such as easy to maintenance is widely used gradually.Domestic 40.5kV handcart switch cabinet mainly contains cabinet types such as JYN, GBC, KYN10, but all there is to a certain degree problem in above-mentioned cabinet type, and for example the degree of protection that brings of net gate structure reduces; The cabinet internal partition is an insulation board, because the improper insulating material gathering electric charge that causes of the selection of insulating material causes discharge; Bus connects the baked wheaten cake that the brings accident etc. of operating on top, cabinet top.In addition, the cabinet of domestic production is now all considered by adding compound inslation, usually way is phase partition+heat-shrink tube, but exposes a series of problems such as phase partition distortion, the moisture absorption, discharge and heat-shrink tube are aging in actual motion, and has become the hidden danger of electric power netting safe running.
The utility model content
The purpose of this utility model is: design a kind of air insulation 40.5kV armouring handcart switch cabinet, alternate in the cabinet of this handcart switch cabinet fully by air insulation, do not use insulating barrier, can avoid occurring problems such as insulating barrier distortion, the moisture absorption, point discharge, and can eliminate the potential safety hazard that ageing of insulation is brought to electrical network, in order to overcome the deficiencies in the prior art.
The purpose of this utility model can realize by following technical proposals:
This air insulation 40.5kV armouring handcart switch cabinet comprises cabinet, and it is characterized in that: the Qianmen of cabinet and back door are the clamshell doors structure, by the armouring metal partion (metp) cabinet is separated into control room, handcart chamber, four parts of bus-bar room and cable vault in the cabinet; In bus-bar room, A phase busbar, B phase busbar and C busbar mutually are that obtuse triangle is arranged, and respectively by A phase insulator, B phase insulator and C insulator support mutually, A phase wall bushing, B phase wall bushing and C be wall bushing mutually, respectively by screw on the sidewall of cabinet, and become oblique isosceles triangle to arrange between it, A phase branch row, B phase branch row and C mutually branch row respectively with A busbar, B phase busbar and C phase busbar overlap joint mutually, and be connected with fixed contact in the upper contact head box; At the indoor circuit breaker cart that is provided with of handcart, circuit breaker cart by last contact arm and down the moving contact on the contact arm respectively with the upper contact head box in upper static contact and down the following fixed contact in the contact box contact; In the cable vault, following fixed contact by the cabinet inner copper line with current transformer, earthed switch and draw cable outward and link to each other.
Insulation bent plate in being provided with between upper contact head box described in the utility model and the following contact box is provided with side insulation bent plate between contact box and the side cabinet under the upper contact head box reaches.
Upper contact head box described in the utility model is lengthening insulated type contact box with following contact box, and its leading-out terminal is equipped with port.
Being shaped as of the port of upper contact head box described in the utility model and following contact box is dustpan-shaped.
Being shaped as of moving contact described in the utility model is quincunx.
Earthed switch described in the utility model is the bent-arm transmission, and its operation axis is positioned at the top of the port of contact box down, and links to each other with the earthed switch body by transmission crank arm.
A phase busbar described in the utility model, B phase busbar and C busbar mutually are the round rectangle copper bar.
The utlity model has the advantage of following several respects:
(1) the forward and backward door of cabinet is the clamshell doors structure, and cabinet door intensity strengthens;
(2) adopt the armouring metal partion (metp) to separate in the cabinet between each chamber, alternate fully by air insulation, do not use insulating barrier, can avoid problems such as insulating barrier distortion, the moisture absorption, point discharge occurring, and can eliminate the potential safety hazard that ageing of insulation is brought to electrical network;
(3) three-phase bus bar is supported by insulator in the bus-bar room, and the three-phase wall bushing becomes oblique isosceles triangle to arrange, and three-phase bus bar becomes obtuse triangle to arrange, and has increased between the three-phase and three relatively safe clear distances, guarantees the alternate air insulation of leaning on fully;
(4) it is dustpan-shaped that the upper contact head box reaches being shaped as of following contact box port, guaranteed and upper static contact and the down copper bar bending in the dustpan mouth easily that links to each other of fixed contact, thereby guaranteed that three-phase branch row and cabinet inner copper line satisfy air-insulated requirement to the distance of metal partion (metp).
(5) operation axis links to each other with the body main shaft of earthed switch by transmission crank arm, the position of operation axis is higher than the dustpan-shaped port of contact box down, avoided the square crossing of cabinet inner copper line, guaranteed that the distance of cabinet inner copper line and side cabinet satisfies air-insulated requirement.
Description of drawings
Fig. 1 is a side structure schematic diagram of the present utility model;
Fig. 2 is the contact box structure schematic diagram;
Fig. 3 is a front view of the present utility model.
Among the figure: 10, dividing plate between handcart chamber and the cable vault; 30, dividing plate between control room and the bus-bar room.
Embodiment
As Fig. 1---shown in 3, this air insulation 40.5kV armouring handcart switch cabinet, comprise cabinet 1, it is characterized in that: the Qianmen 101 and the back door of cabinet 1 are the clamshell doors structure, by the armouring metal partion (metp) cabinet 1 are separated into the A of control room, handcart chamber B, bus-bar room C and four parts of the D of cable vault in the cabinet 1; In bus-bar room C, A phase busbar 26, B phase busbar 28 and C busbar 19 mutually arrange for obtuse triangle, and respectively by A phase insulator 25, B phase insulator 39 and C insulator 20 supports mutually, A phase wall bushing 24, B phase wall bushing 27 and C be wall bushing 18 mutually, respectively by screw on the sidewall of cabinet 1, and become oblique isosceles triangle to arrange between it, A phase branch row 22, B phase branch row 23 and C mutually branch row 21 respectively with A busbar 26, B phase busbar 28 and C phase busbar 19 overlap joints mutually, and be connected with fixed contact 6 in the upper contact head box 5; In the B of handcart chamber, be provided with circuit breaker cart 4, circuit breaker cart 4 by last contact arm 3 and down the moving contact 2 on the contact arm 7 respectively with upper contact head box 5 in upper static contact 6 and down the following fixed contact 9 in the contact box 8 contact; In the D of cable vault, following fixed contact 9 by cabinet inner copper line 13 with current transformer 12, earthed switch 17 and draw cable 15 outward and link to each other.Insulation bent plate 32 in being provided with between described upper contact head box 5 and the following contact box 8 is provided with side insulation bent plate 33 between contact box 8 and the side cabinet 31 under upper contact head box 5 reaches.Described upper contact head box 5 is lengthening insulated type contact box with following contact box 8, and its leading-out terminal is equipped with port one 1.Being shaped as of the port one 1 of described upper contact head box 5 and following contact box 8 is dustpan-shaped.Being shaped as of described moving contact 2 is quincunx.Described earthed switch 17 is the bent-arm transmission, and its operation axis 14 is positioned at the top of the port one 1 of contact box 8 down, and links to each other with earthed switch 17 bodies by transmission crank arm 16.Described A phase busbar 26, B phase busbar 28 and C busbar 19 mutually are the round rectangle copper bar.
Claims (7)
1. air insulation 40.5kV armouring handcart switch cabinet, comprise cabinet (1), it is characterized in that: the Qianmen (101) and the back door of cabinet (1) are the clamshell doors structure, by the armouring metal partion (metp) cabinet (1) are separated into control room (A), handcart chamber (B), bus-bar room (C) and cable vault (D) four parts in the cabinet (1); In bus-bar room (C), A phase busbar (26), B phase busbar (28) and C busbar (19) mutually are that obtuse triangle is arranged, and respectively by A phase insulator (25), B phase insulator (39) and C insulator (20) support mutually, A phase wall bushing (24), B phase wall bushing (27) and C be wall bushing (18) mutually, respectively by screw on the sidewall of cabinet (1), and become oblique isosceles triangle to arrange between it, A phase branch row (22), B phase branch row (23) and C mutually branch row (21) respectively with A busbar (26) mutually, B phase busbar (28) and C be busbar (19) overlap joint mutually, and is connected with fixed contact (6) in the upper contact head box (5); In handcart chamber (B), be provided with circuit breaker cart (4), circuit breaker cart (4) by last contact arm (3) and down the moving contact (2) on the contact arm (7) respectively with upper contact head box (5) in upper static contact (6) and down the following fixed contact (9) in the contact box (8) contact; In cable vault (D), following fixed contact (9) by cabinet inner copper line (13) with current transformer (12), earthed switch (17) and draw cable (15) outward and link to each other.
2. air insulation 40.5kV armouring handcart switch cabinet according to claim 1, it is characterized in that: insulation bent plate (32) in being provided with between described upper contact head box (5) and the following contact box (8) is provided with side insulation bent plate (33) between contact box (8) and the side cabinet (31) under upper contact head box (5) reaches.
3. air insulation 40.5kV armouring handcart switch cabinet according to claim 1 and 2 is characterized in that: described upper contact head box (5) is lengthening insulated type contact box with following contact box (8), and its leading-out terminal is equipped with port (11).
4. air insulation 40.5kV armouring handcart switch cabinet according to claim 3 is characterized in that: being shaped as of the port (11) of described upper contact head box (5) and following contact box (8) is dustpan-shaped.
5. air insulation 40.5kV armouring handcart switch cabinet according to claim 1 is characterized in that: being shaped as of described moving contact (2) is quincunx.
6. air insulation 40.5kV armouring handcart switch cabinet according to claim 1, it is characterized in that: described earthed switch (17) is the bent-arm transmission, its operation axis (14) is positioned at the top of the port (11) of contact box (8) down, and links to each other with earthed switch (17) body by transmission crank arm (16).
7. air insulation 40.5kV armouring handcart switch cabinet according to claim 1 is characterized in that: described A phase busbar (26), B phase busbar (28) and C busbar (19) mutually are the round rectangle copper bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202543257U CN201549818U (en) | 2009-11-04 | 2009-11-04 | Air-insulated 40.5 kV armored handcart-type switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202543257U CN201549818U (en) | 2009-11-04 | 2009-11-04 | Air-insulated 40.5 kV armored handcart-type switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201549818U true CN201549818U (en) | 2010-08-11 |
Family
ID=42604997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202543257U Expired - Lifetime CN201549818U (en) | 2009-11-04 | 2009-11-04 | Air-insulated 40.5 kV armored handcart-type switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201549818U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102013644A (en) * | 2010-11-15 | 2011-04-13 | 国网电力科学研究院武汉南瑞有限责任公司 | Air-insulated switching device used for controlling inner electric field |
| CN104600579A (en) * | 2015-01-19 | 2015-05-06 | 无锡双欢电气有限公司 | Main bus chamber of highland type high-voltage switch cabinet |
| CN110224327A (en) * | 2019-05-27 | 2019-09-10 | 中山市明阳电器有限公司 | A kind of phase insulation structure of electrical equipment |
| CN110460066A (en) * | 2019-08-30 | 2019-11-15 | 常州博瑞电力自动化设备有限公司 | A kind of box distribution series compensation device |
-
2009
- 2009-11-04 CN CN2009202543257U patent/CN201549818U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102013644A (en) * | 2010-11-15 | 2011-04-13 | 国网电力科学研究院武汉南瑞有限责任公司 | Air-insulated switching device used for controlling inner electric field |
| CN104600579A (en) * | 2015-01-19 | 2015-05-06 | 无锡双欢电气有限公司 | Main bus chamber of highland type high-voltage switch cabinet |
| CN110224327A (en) * | 2019-05-27 | 2019-09-10 | 中山市明阳电器有限公司 | A kind of phase insulation structure of electrical equipment |
| CN110460066A (en) * | 2019-08-30 | 2019-11-15 | 常州博瑞电力自动化设备有限公司 | A kind of box distribution series compensation device |
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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: HEBEI ELECTRIC EQUIPMENT CO., LTD. Free format text: FORMER OWNER: HEBEI POWER EQUIPMENT FACTORY Effective date: 20130521 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130521 Address after: Congtai District Street 056004 city of Handan province Hebei Power Plant No. 33 Patentee after: Hebei Electric Power Equipment Co., Ltd. Address before: Congtai District Street 056004 city of Handan province Hebei Power Plant No. 33 Patentee before: Hebei Power Equipment Factory |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100811 |
|
| CX01 | Expiry of patent term |