CN202772436U - Ring main unit main bus chamber with function of adding and dismantling cabinet without power cut - Google Patents
Ring main unit main bus chamber with function of adding and dismantling cabinet without power cut Download PDFInfo
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- CN202772436U CN202772436U CN201220495079.6U CN201220495079U CN202772436U CN 202772436 U CN202772436 U CN 202772436U CN 201220495079 U CN201220495079 U CN 201220495079U CN 202772436 U CN202772436 U CN 202772436U
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- cabinet
- valve
- main bus
- main unit
- bus bar
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Abstract
The utility model discloses a ring main unit main bus chamber with a function of adding and dismantling a cabinet without power cut. The ring main unit main bus chamber comprises a cabinet top box installed at the top of a switch cabinet, two groups of static contact bushings arranged in the cabinet top box, and a valve device arranged in the cabinet top box. Each group of static contact bushings comprises a contact housing fixed at the top of the switch cabinet and a static contact arranged in the contact housing. The static contact is connected with a main bus in the switch cabinet. The valve device comprises a bracket, two groups of valve guide rods arranged on the bracket, two groups of valves which are horizontally arranged and can slide along the valve guide rods and transmission parts which drive the valves to slide. Two ends of each group of the valves are respectively connected with one of the transmission parts. Each of the transmission parts is arranged on the bracket. Each group of the valves and each group of the static contact bushings are in vertical corresponding arrangement in restoration. The ring main unit main bus chamber has the advantages of a small size, accurate guide, reliable transmission, stacked storage of valves, protection in place, simple operation, and reliable connection.
Description
Technical field
The utility model relates to the ring main unit technical field, particularly relates to a kind of ring main unit main bus bar chamber that does not have a power failure and add the DEVANNING function that has.
Background technology
In the normal production of power supply enterprise, affecting power supply reliability mainly is that fault has a power failure and two aspects of scheduled outage.Because the raising of power grid construction level, the probability of fault outage greatly reduces, therefore reduces the time of scheduled outage, just becomes the key factor that affects the power supply reliability index.Scheduled outage comprise ration the power supply, increase-volume, various maintenance and construction have a power failure etc.Present stage, along with putting into operation in enormous quantities of novel full-insulated full-sealed formula ring main unit, it is more and more that ring main unit adds the chance of cabinet, and ring main unit adds the cabinet operation that need to have a power failure, and the cabinet method that adds of routine is; Whole group of ring main unit all had a power failure, then piece together the cabinet operation, piece together and send again electricity after cabinet is finished.Therefore greatly increased the probability that has a power failure, power supply reliability has been caused great impact.At present, this not yet there is good solution.
The utility model content
Based on this, for the problems referred to above, the utility model proposes a kind of ring main unit main bus bar chamber that does not have a power failure and add the DEVANNING function that has.
The technical solution of the utility model is: a kind of have a ring main unit main bus bar chamber that does not have a power failure and add the DEVANNING function, comprise the cabinet top case that is installed on the switch cubicle top, be located at two groups of fixed contact sleeve pipes in the case of cabinet top and be located at the interior valve arrangement of cabinet top case, every group of described fixed contact sleeve pipe comprises the contact shell that is fixed in the switch cubicle top and the fixed contact of being located at the contact enclosure, main bus bar in this fixed contact and the switch cubicle is connected, described valve arrangement comprises support, be located at two groups of valve guide posts on the support, two groups of horizontally disposed driving members that can slide along valve and the driving valve of valve guide post slip, the two ends of every group of described valve connect respectively a described driving member, each described driving member all is arranged on the described support, every group of described valve when resetting and every group of described fixed contact sleeve pipe be correspondingly set up and down.
When adding the operation of cabinet or DEVANNING, when advancing with the special-purpose handcart of the matching used assembly cabinet in this main bus bar chamber, direction according to the rules advances; Piece together the special-purpose handcart of cabinet in progradation, the push rod of piecing together the special-purpose handcart of cabinet promotes the driving member of main bus bar chamber valve arrangement, driving member drives valve and moves horizontally along the valve guide post, before the moving contact of piecing together the special-purpose handcart of cabinet arrives valve, valve is removed fully, between two groups of fixed contact sleeve pipes, two groups of valve of same ring main unit are in respectively the bilevel position between two groups of fixed contact sleeve pipes.Piece together the special-purpose handcart of cabinet and continue to advance, finish being connected of moving contact and fixed contact, finally finish whole assembly cabinet process.
Among embodiment, the madial wall of described cabinet top case is provided with the earth bus that is connected with the earthing device of piecing together the special-purpose handcart of cabinet therein.Purpose is to guarantee operation and Operation safety.
Therein among embodiment, be provided with the guide rail that carries out guide-localization to piecing together the special-purpose handcart of cabinet at the madial wall of described cabinet top case.Purpose is to guarantee to piece together the special-purpose handcart of cabinet can find accurately position when advancing.
Among embodiment, every group of described fixed contact sleeve pipe comprises three fixed contact sleeve pipes that are set up in parallel therein.Purpose be with switch cubicle in main bus bar quantity and location matches.
Among embodiment, the two ends of described valve are respectively equipped with pilot hole therein, and this pilot hole is placed on the described valve guide post.Purpose is to guarantee that valve can slide smoothly along the valve guide post.
Among embodiment, the two ends of described valve have power transmission shaft, have gathering sill on the described driving member therein, and described power transmission shaft is located in the described gathering sill, and described power transmission shaft and described gathering sill are slidingly matched.By being slidingly matched of gathering sill and power transmission shaft, can guarantee flexibility and the positional accuracy of valve folding.
Among embodiment, described driving member is provided with the back-moving spring that the control driving member resets therein.When the special-purpose handcart of assembly cabinet is removed, the push rod of piecing together the special-purpose handcart of cabinet leaves the driving member of valve arrangement, driving member drives valve and automatically resets under the effect of back-moving spring, shelter from the fixed contact sleeve pipe, prevent from brushing up against high-voltage charged body in the person and the outside situation about might get an electric shock, guarantee the fail safe of ring main unit under cabinet attitude to be pieced together.
The beneficial effects of the utility model are:
(1) have that volume is little, guiding accurately, reliable transmission, valve can stackedly store, protect put in place, easy and simple to handle, connect reliable advantage;
(2) be connected with the main bus bar of switch cubicle by this main bus bar chamber, and support the use with piecing together the special-purpose handcart of cabinet, can not have a power failure adds the operation of tearing switch cubicle open, has greatly reduced the number of times that has a power failure.
Description of drawings
Fig. 1 is the described overall structure schematic diagram with the ring main unit main bus bar chamber that adds the DEVANNING function of not having a power failure of the utility model embodiment;
Fig. 2 is the structural representation of cabinet top case among the utility model embodiment;
Fig. 3 is the structural representation that the fixed contact sleeve pipe is installed in the switch cubicle top among the utility model embodiment;
Fig. 4 is the cutaway view of A-A among Fig. 3;
Fig. 5 is the structural representation of valve arrangement among the utility model embodiment;
Fig. 6 is the partial enlarged drawing of A section among Fig. 5;
Description of reference numerals:
10-cabinet top case, 101-earth bus, 102-guide rail, 20-fixed contact sleeve pipe, 201-contact shell, 202-fixed contact, the 30-valve arrangement, 301-support, 302-valve guide post, the 303-valve, 303a-pilot hole, 303b-power transmission shaft, the 304-driving member, 304a-gathering sill, 40-switch cubicle, the 40a-main bus bar, the 50-back-moving spring.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.
Embodiment:
As shown in Figure 1, a kind of have a ring main unit main bus bar chamber that does not have a power failure and add the DEVANNING function, comprise the cabinet top case 10 that is installed on switch cubicle 40 tops, be located at two groups of fixed contact sleeve pipes 20 in each cabinet top case 10 and be located at valve arrangement 30 in each cabinet top case 10, each is reserved position of piecing together cabinet a cabinet top case 10 is set.
As shown in Figure 2, the madial wall of described cabinet top case 10 is provided with the earth bus 101 that is connected with the earthing device of piecing together the special-purpose handcart of cabinet, can guarantee operation and Operation safety.Madial wall at described cabinet top case 10 is provided with the guide rail 102 that carries out guide-localization to piecing together the special-purpose handcart of cabinet, can guarantee to piece together the special-purpose handcart of cabinet and can find accurately position when advancing.
As shown in Figure 3, Figure 4, every group of described fixed contact sleeve pipe 20 comprises the contact shell 201 that is fixed in switch cubicle 40 tops and the fixed contact 202 of being located at contact shell 201 inside, and this fixed contact 202 and switch cubicle 40 interior main bus bar 40a are connected.Every group of described fixed contact sleeve pipe 20 comprises three fixed contact sleeve pipes 20 that are set up in parallel, can with switch cubicle 40 in main bus bar 40a quantity and installation site be complementary.
Such as Fig. 5, shown in Figure 6, described valve arrangement 30 comprises support 301, is located at two parallel valve guide posts 302 on the support 301, two horizontally disposed driving members 304 that slide along valve 303 and the driving valve 303 of 302 slips of valve guide post, the two ends of every group of described valve 303 connect respectively a described driving member 304, each described driving member 304 all is arranged on the described support 301, every group of described valve 303 when resetting and every group of described fixed contact sleeve pipe 20 be correspondingly set up and down.The two ends of described valve 303 are respectively equipped with pilot hole 303a, and this pilot hole 303a is placed on the described valve guide post 302.Purpose is to guarantee that valve 303 can slide smoothly along valve guide post 302.The two ends of described valve 303 have power transmission shaft 303b, have gathering sill 304a on the described driving member 304, and described power transmission shaft 303b is located in the described gathering sill 304a, and described power transmission shaft 303b and described gathering sill 304a are slidingly matched.By being slidingly matched of gathering sill 304a and power transmission shaft 303b, can guarantee flexibility and the positional accuracy of valve 303 foldings.Described driving member 304 is provided with the back-moving spring 50 that control driving member 304 resets.When the special-purpose handcart of assembly cabinet is removed, the push rod of piecing together the special-purpose handcart of cabinet leaves the driving member of valve arrangement, driving member drives valve and automatically resets under the effect of back-moving spring 50, shelter from the fixed contact sleeve pipe, prevent from brushing up against high-voltage charged body in the person and the outside situation about might get an electric shock, guarantee the fail safe of ring main unit under cabinet attitude to be pieced together.
Present embodiment is described, and to have operation principle and the process of the ring main unit main bus bar chamber that adds the DEVANNING function of not having a power failure as follows:
Referring to Fig. 1 to Fig. 6, when adding the operation of cabinet or DEVANNING, when advancing with the special-purpose handcart of the matching used assembly cabinet in this main bus bar chamber, direction according to the rules advances; Piece together the special-purpose handcart of cabinet in progradation, the push rod of piecing together the special-purpose handcart of cabinet promotes the driving member 304 of valve arrangement 30, driving member 304 drives valve 303 and moves horizontally along valve guide post 302, before the moving contact of piecing together the special-purpose handcart of cabinet arrives valve 303, valve 303 is removed fully, and two groups of valve 303 of same ring main unit are in respectively bilevel position between two groups of fixed contact sleeve pipes 20.Piece together the special-purpose handcart of cabinet and continue to advance, finish being connected of moving contact and fixed contact 202, finally finish whole assembly cabinet process.When the special-purpose handcart of assembly cabinet is removed, the push rod of piecing together the special-purpose handcart of cabinet leaves the driving member 304 of valve arrangement 30, driving member 304 drives valve 303 and automatically resets under the effect of back-moving spring 50, shelter from fixed contact sleeve pipe 20, prevent from brushing up against high-voltage charged body in the person and the outside situation about might get an electric shock, guarantee the fail safe of switch cubicle 40 under cabinet attitude to be pieced together.
The above embodiment has only expressed embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.
Claims (7)
1. one kind has the ring main unit main bus bar chamber that does not have a power failure and add the DEVANNING function, it is characterized in that, comprise the cabinet top case that is installed on the switch cubicle top, be located at two groups of fixed contact sleeve pipes in the case of cabinet top and be located at the interior valve arrangement of cabinet top case, every group of described fixed contact sleeve pipe comprises the contact shell that is fixed in the switch cubicle top and the fixed contact of being located at the contact enclosure, main bus bar in this fixed contact and the switch cubicle is connected, described valve arrangement comprises support, be located at two groups of valve guide posts on the support, two groups of horizontally disposed driving members that can slide along valve and the driving valve of valve guide post slip, the two ends of every group of described valve connect respectively a described driving member, each described driving member all is arranged on the described support, every group of described valve when resetting and every group of described fixed contact sleeve pipe be correspondingly set up and down.
2. according to claim 1 have a ring main unit main bus bar chamber that does not have a power failure and add the DEVANNING function, it is characterized in that, the madial wall of described cabinet top case is provided with the earth bus that is connected with the earthing device of piecing together the special-purpose handcart of cabinet.
3. according to claim 1 and 2 have a ring main unit main bus bar chamber that does not have a power failure and add the DEVANNING function, it is characterized in that, is provided with the guide rail that carries out guide-localization to piecing together the special-purpose handcart of cabinet at the madial wall of described cabinet top case.
4. according to claim 1 have a ring main unit main bus bar chamber that does not have a power failure and add the DEVANNING function, it is characterized in that every group of described fixed contact sleeve pipe comprises three fixed contact sleeve pipes that are set up in parallel.
5. according to claim 1 have a ring main unit main bus bar chamber that does not have a power failure and add the DEVANNING function, it is characterized in that the two ends of described valve are respectively equipped with pilot hole, and this pilot hole is placed on the described valve guide post.
6. according to claim 1 have a ring main unit main bus bar chamber that does not have a power failure and add the DEVANNING function, it is characterized in that the two ends of described valve have power transmission shaft, have gathering sill on the described driving member, described power transmission shaft is located in the described gathering sill, and described power transmission shaft and described gathering sill are slidingly matched.
7. according to claim 6 have a ring main unit main bus bar chamber that does not have a power failure and add the DEVANNING function, it is characterized in that, described driving member is provided with the back-moving spring that the control driving member resets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220495079.6U CN202772436U (en) | 2012-09-24 | 2012-09-24 | Ring main unit main bus chamber with function of adding and dismantling cabinet without power cut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220495079.6U CN202772436U (en) | 2012-09-24 | 2012-09-24 | Ring main unit main bus chamber with function of adding and dismantling cabinet without power cut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202772436U true CN202772436U (en) | 2013-03-06 |
Family
ID=47778979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220495079.6U Expired - Lifetime CN202772436U (en) | 2012-09-24 | 2012-09-24 | Ring main unit main bus chamber with function of adding and dismantling cabinet without power cut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202772436U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102832545A (en) * | 2012-09-24 | 2012-12-19 | 广州供电局有限公司 | Main bus chamber with stripping function without power failure of ring main unit |
-
2012
- 2012-09-24 CN CN201220495079.6U patent/CN202772436U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102832545A (en) * | 2012-09-24 | 2012-12-19 | 广州供电局有限公司 | Main bus chamber with stripping function without power failure of ring main unit |
| CN102832545B (en) * | 2012-09-24 | 2015-05-13 | 广州供电局有限公司 | Main bus chamber of ring main unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210512 Address after: 510620, No. two, No. 2, Tianhe South Road, Guangzhou, Guangdong, Tianhe District Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Patentee after: GUANGZHOU SUIDA ELECTRIC Co.,Ltd. Address before: 510620, No. two, No. 2, Tianhe South Road, Guangzhou, Guangdong, Tianhe District Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd. Patentee before: GUANGZHOU SUIDA ELECTRIC Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130306 |