CN206908096U - Depression belt hospital bus bar gets in touch with distribution box - Google Patents
Depression belt hospital bus bar gets in touch with distribution box Download PDFInfo
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- CN206908096U CN206908096U CN201720697553.6U CN201720697553U CN206908096U CN 206908096 U CN206908096 U CN 206908096U CN 201720697553 U CN201720697553 U CN 201720697553U CN 206908096 U CN206908096 U CN 206908096U
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- distribution
- touch
- distribution box
- bus bar
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- 238000004891 communication Methods 0.000 claims abstract description 17
- 238000007689 inspection Methods 0.000 claims description 7
- 238000002955 isolation Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 9
- 230000001131 transforming effect Effects 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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Abstract
The utility model discloses depression belt hospital bus bar to get in touch with distribution box.Depression belt hospital bus bar gets in touch with distribution box, the low-tension distribution box set including two circuit symmetricals, two low-tension distribution boxes are got in touch with by communication means, low-tension distribution box includes low-voltage distribution header tank and by-pass switch case, and low-voltage distribution header tank is electrically connected with by-pass switch case by getting in touch with disconnecting link and distribution double-throw disconnecting link.The utility model gets in touch with two low-tension distribution boxes by communication means, realizes when the operation such as switch maintenance, replacing distribution box in distribution box, can be realized by hospital bus bar and turn power supply, communication means sets electric interlock, it is ensured that parallel running does not occur for two distribution transformings.
Description
Technical field
It the utility model is related to distribution box field, more particularly to depression belt hospital bus bar contact distribution box.
Background technology
At present, low-voltage distributing line contact generally directly got in touch with using two matched transformer electronic box (cabinet) buses, low pressure feeder line
The modes such as end contact, but more restriction condition be present in two kinds of distribution contact informations, and the actual functional capability of contact is not strong, such as
Directly got in touch with using distribution box (cabinet) bus, when operations such as the interior switch maintenance of distribution box (cabinet), replacing distribution boxs (cabinet), it is impossible to
Realize and turn power supply；Using modes such as low pressure feeder terminal contacts, turn powered operation multiple switch per loop line road, and because of line alignment
Diverging, interconnection switch have a very wide distribution, and operation is inconvenient and maloperation easily occurs, and great operational risk be present.
Utility model content
The purpose of this utility model is to provide one kind when realizing switch maintenance in distribution box, changing the operation such as distribution box, enters
Row turns the depression belt hospital bus bar contact distribution box of power supply.
To achieve the above object, the utility model adopts the following technical scheme that, depression belt hospital bus bar contact distribution box, bag
The low-tension distribution box that two circuit symmetricals are set is included, two low-tension distribution boxes are got in touch with by communication means, and low-tension distribution box includes
Low-voltage distribution header tank and by-pass switch case, low-voltage distribution header tank is with by-pass switch case by getting in touch with disconnecting link and distribution double-throw disconnecting link electricity
Connection.The utility model gets in touch with two low-tension distribution boxes by communication means, realizes when switch maintenance, replacing distribution in distribution box
During the operations such as case, it can be realized by hospital bus bar and turn power supply, communication means sets electric interlock, it is ensured that two distribution transformings do not occur simultaneously
Through transport row.
In some embodiments, low-voltage distribution header tank include electrically connect successively the total disconnecting link of distribution, the hard bus of distribution and
Feeder breaker, feeder breaker electrically connect with by-pass switch case.
In some embodiments, by-pass switch case includes network interconnecting circuit, bypass breaker and the hard bus of bypass, bypass
Hard bus electrically connects with network interconnecting circuit and bypass breaker respectively, and network interconnecting circuit electrically connects with contact disconnecting link, bypass open circuit
Device electrically connects with distribution double-throw disconnecting link.Interconnection switch is installed concentratedly in by-pass switch case, grid switching operation is safe and efficient, maximum
The raising power supply reliability of limit.
In some embodiments, interconnector zero line, which is connected, bypasses hard bus.
In some embodiments, communication means is three-phase and four-line interconnection, and communication means is provided with electric interlock.Electricity is set
Gas interlocks, it is ensured that parallel running does not occur for two distribution transformings.
In some embodiments, distribution double-throw disconnecting link is ten two wires distribution double-throw disconnecting links, and distribution double-throw disconnecting link is electric respectively
Connection feeder breaker and bypass breaker simultaneously draw secondary main.
In some embodiments, secondary main end is provided with earth mat, and ground network ground resistance is not more than four ohm.Change low
Being press-fitted the operation of electric header tank may cause zero line to depart from earth mat, therefore earth mat is set up in the end of secondary main, and grounding resistance is not
More than four ohm.
In some embodiments, disconnecting link, network interconnecting circuit, distribution double-throw disconnecting link and bypass breaker layered arrangement are got in touch with
And hard isolation.Breaker in by-pass switch case is taken into layered arrangement with disconnecting link and isolated firmly, it is ensured that maintenance bypass open circuit
Feeder line does not have a power failure during device.
In some embodiments, by-pass switch case is provided with emergency power supply access breaker, emergency power supply access breaker
Electrically connect the hard bus of bypass.Emergency power supply access breaker is set up, emergency power generation vehicle is additionally arranged and quickly accesses mouth, satisfaction answers urgent telegram
Source quickly accesses.
In some embodiments, low-voltage distribution header tank is provided with inspection earthing post, and it is firmly female that inspection earthing post electrically connects distribution
Line.Inspection earthing post is set, is grounded when facilitating electrical overhaul in distribution box.
The beneficial effects of the utility model are：The utility model depression belt hospital bus bar contact distribution box is directed to existing distribution
Case switchgear and electrical principle, realize when the operation such as switch maintenance, replacing distribution box in distribution box, can pass through and bypass mother
Line, which is realized, turns power supply, and interconnection switch is installed concentratedly in distribution box, and grid switching operation is safe and efficient, improves power supply to greatest extent
Reliability.
Brief description of the drawings
Fig. 1 is the electrical block diagram that the utility model depression belt hospital bus bar gets in touch with distribution box.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in figure 1, depression belt hospital bus bar gets in touch with distribution box, including the low-tension distribution box that two circuit symmetricals are set
AB, two low-tension distribution box AB are got in touch with by communication means 10, and low-tension distribution box AB opens including low-voltage distribution header tank Z with bypass
Case P, low-voltage distribution header tank Z and by-pass switch case P is closed to electrically connect by getting in touch with disconnecting link 4 and distribution double-throw disconnecting link 5.
Low-voltage distribution header tank Z includes the total disconnecting link 1 of distribution, the hard bus 2 of distribution and the feeder breaker 3 electrically connected successively, feedback
Line breaker 3 electrically connects with by-pass switch case P.
By-pass switch case P includes network interconnecting circuit 6, bypass breaker 8 and the hard bus 9 of bypass, bypass hard bus 9 respectively with
Network interconnecting circuit 6 and bypass breaker 8 electrically connect, and network interconnecting circuit 6 electrically connects with contact disconnecting link 4, bypass breaker 8 and distribution
Double-throw disconnecting link 5 electrically connects.
Interconnector zero line, which is connected, bypasses hard bus 9.
Communication means 10 is three-phase and four-line interconnection, and communication means 10 is provided with electric interlock.
Distribution double-throw disconnecting link 5 is ten two wires distribution double-throw disconnecting links, and distribution double-throw disconnecting link 5 electrically connects feeder breaker 3 respectively
With bypass breaker 8 and draw secondary main 12.
The end of secondary main 12 is provided with earth mat, and ground network ground resistance is not more than four ohm.
Get in touch with disconnecting link 4, network interconnecting circuit 6, distribution double-throw disconnecting link 5 and the layered arrangement of bypass breaker 8 and hard isolation.
By-pass switch case P is provided with emergency power supply access breaker 7, and it is hard female that emergency power supply access breaker 7 electrically connects bypass
Line 9.
Low-voltage distribution header tank Z is provided with inspection earthing post 11, and inspection earthing post 11 electrically connects the hard bus 2 of distribution.
The hard bus 2 of the present embodiment distribution is the hard bus of 0.4kv distribution, bypasses hard bus 9 and bypasses hard bus for 0.4kv.
The utility model gets in touch with two low-tension distribution boxes by communication means, realizes when switch maintenance, replacing in distribution box
During the operations such as distribution box, it can be realized by hospital bus bar and turn power supply, communication means sets electric interlock, it is ensured that two distribution transformings are not sent out
Raw parallel running.
Changing the operation of low-voltage distribution header tank may cause zero line to depart from earth mat, therefore the end of secondary main 12 increases
If earth mat, grounding resistance is not more than four ohm.
Breaker in by-pass switch case is taken into layered arrangement with disconnecting link and isolated firmly, it is ensured that maintenance bypass breaker
Feeder line does not have a power failure when 8.
The utility model depression belt hospital bus bar contact distribution box is directed to existing distribution box switchgear and electrical principle, real
Now when the operation such as switch maintenance, replacing distribution box in distribution box, it can be realized by hospital bus bar and turn power supply, and interconnection switch
Install concentratedly in distribution box, grid switching operation is safe and efficient, improves power supply reliability to greatest extent.
Above-described is only some embodiments of the present utility model.For the person of ordinary skill of the art,
On the premise of not departing from the utility model and creating design, various modifications and improvements can be made, these belong to this practicality
New protection domain.
Claims (10)
1. depression belt hospital bus bar gets in touch with distribution box, it is characterised in that the low-tension distribution box set including two circuit symmetricals
(AB), described two low-tension distribution boxes (AB) are got in touch with by communication means (10), and the low-tension distribution box (AB) is matched somebody with somebody including low pressure
Electric header tank (Z) and by-pass switch case (P), the low-voltage distribution header tank (Z) and by-pass switch case (P) by get in touch with disconnecting link (4) and
Distribution double-throw disconnecting link (5) electrically connects.
2. depression belt hospital bus bar according to claim 1 gets in touch with distribution box, it is characterised in that the low-voltage distribution header tank
(Z) the total disconnecting link of distribution (1), the hard bus of distribution (2) and the feeder breaker (3) electrically connected successively, the feeder breaker are included
(3) electrically connected with by-pass switch case (P).
3. depression belt hospital bus bar according to claim 2 gets in touch with distribution box, it is characterised in that the by-pass switch case
(P) include network interconnecting circuit (6), bypass breaker (8) and bypass hard bus (9), it is described bypass hard bus (9) respectively with contact
Breaker (6) and bypass breaker (8) electrically connect, and the network interconnecting circuit (6) electrically connects with contact disconnecting link (4), the bypass
Breaker (8) electrically connects with distribution double-throw disconnecting link (5).
4. depression belt hospital bus bar according to claim 3 gets in touch with distribution box, it is characterised in that the communication means (10)
Zero line, which is connected, bypasses hard bus (9).
5. depression belt hospital bus bar according to claim 1 gets in touch with distribution box, it is characterised in that the communication means (10)
For three-phase and four-line interconnection, the communication means (10) is provided with electric interlock.
6. depression belt hospital bus bar according to claim 3 gets in touch with distribution box, it is characterised in that the distribution double-throw disconnecting link
(5) it is ten two wires distribution double-throw disconnecting links, the distribution double-throw disconnecting link (5) electrically connects feeder breaker (3) respectively and bypass is breaking
Device (8) simultaneously draws secondary main (12).
7. depression belt hospital bus bar according to claim 6 gets in touch with distribution box, it is characterised in that the secondary main (12)
End is provided with earth mat, and the ground network ground resistance is not more than four ohm.
8. depression belt hospital bus bar according to claim 3 gets in touch with distribution box, it is characterised in that the contact disconnecting link (4),
Network interconnecting circuit (6), distribution double-throw disconnecting link (5) and bypass breaker (8) layered arrangement and hard isolation.
9. depression belt hospital bus bar according to claim 3 gets in touch with distribution box, it is characterised in that the by-pass switch case
(P) emergency power supply access breaker (7) is provided with, the emergency power supply access breaker (7) electrically connects the hard bus (9) of bypass.
10. depression belt hospital bus bar according to claim 2 gets in touch with distribution box, it is characterised in that the low-voltage distribution is total
Case (Z) is provided with inspection earthing post (11), and the inspection earthing post (11) electrically connects the hard bus of distribution (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720697553.6U CN206908096U (en) | 2017-06-15 | 2017-06-15 | Depression belt hospital bus bar gets in touch with distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720697553.6U CN206908096U (en) | 2017-06-15 | 2017-06-15 | Depression belt hospital bus bar gets in touch with distribution box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206908096U true CN206908096U (en) | 2018-01-19 |
Family
ID=61284629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720697553.6U Expired - Fee Related CN206908096U (en) | 2017-06-15 | 2017-06-15 | Depression belt hospital bus bar gets in touch with distribution box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206908096U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069444A (en) * | 2017-06-15 | 2017-08-18 | 潘冠华 | Depression belt hospital bus bar gets in touch with distribution box |
-
2017
- 2017-06-15 CN CN201720697553.6U patent/CN206908096U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069444A (en) * | 2017-06-15 | 2017-08-18 | 潘冠华 | Depression belt hospital bus bar gets in touch with distribution box |
| CN107069444B (en) * | 2017-06-15 | 2023-12-22 | 广西春茂电气自动化工程有限公司 | Low-voltage contact distribution box with bypass bus |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180119 |