CN208299256U - Segmented threephase load phasing switch cabinet - Google Patents
Segmented threephase load phasing switch cabinet Download PDFInfo
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- CN208299256U CN208299256U CN201821047357.5U CN201821047357U CN208299256U CN 208299256 U CN208299256 U CN 208299256U CN 201821047357 U CN201821047357 U CN 201821047357U CN 208299256 U CN208299256 U CN 208299256U
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- phase
- busbar
- segmented
- switch
- cabinet
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Abstract
The utility model discloses a kind of segmented threephase load phasing switch cabinets, including cabinet body and setting are in the intracorporal three-phase isolation switch of the cabinet, the first busbar, the second busbar and third busbar；First busbar, second busbar, the third busbar go out connector with the A phase of the three-phase isolation switch respectively, B phase goes out connector, C phase goes out connector and connects one to one；First busbar, second busbar, the third busbar are spaced apart from each other distribution, are respectively connected with power switch between first busbar and second busbar and between second busbar and the third busbar.The utility model passes through the on-off of two power switches, load can be divided into one group or three groups or small one and large one two groups, and pass through tri- phase control of A, B, C of three-phase isolation switch, realize a phase or two-phase or three phase mains power supply, the distribution in three-phase can also be supported on by three busbar flexible modulations, achieve the purpose that the effects of fine-tuning, facilitating operation management.
Description
Technical field
The utility model relates to field of electrical equipment, relate in particular to a kind of segmented threephase load phasing switch cabinet.
Background technique
Due to the area differentiation of distribution automation development level, many low-voltage platform area three-phase imbalances are administered still using pincer
Ammeter in-site measurement three-phase current, power failure phase modulation, transfer load solution；This mode needs staff to climb up to match
Become the work of rack low-pressure side, operation difficulty is big, and regulating cycle is long, and unnecessary power failure can be caused to user, and after adjustment
Holding time for three-phrase burden balance degree is not grown, it would be highly desirable to be improved.
Three-phase load automatic adjustment technology increasingly develops in recent years, and there are three types of current main typical case modes, that is, changes
Phase switching mode self-checking device, capacitive self-checking device and power electronics type self-checking device, it is capacitive automatic
Regulating device and power electronics type self-checking device can only adjust transformer outlet side balancing the load, can not be fundamentally
Solution must not fundamentally solve the problems, such as actual load equilibrium assignment, and traditional phase-change switch type self-checking device, construction at
This is higher, and general using " point contact type " phasing switch, and there are division risks not in place, need to be improved.
Utility model content
It can be realized a phase or two-phase the technical problem to be solved by the utility model is to provide one kind or three phase mains supply
Electricity, and can flexible modulation be supported on the segmented threephase load phasing switch cabinet of the distribution in three-phase.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical solution: segmented threephase load phase modulation is opened
Cabinet, including cabinet body and setting are closed in the intracorporal three-phase isolation switch of the cabinet, the first busbar, the second busbar and third busbar；
First busbar, second busbar, the third busbar go out to connect with the A phase of the three-phase isolation switch respectively
Head, B phase go out connector, C phase goes out connector and connects one to one；
First busbar, second busbar, the third busbar are spaced apart from each other distribution, first busbar and described
Power switch is respectively connected between second busbar and between second busbar and the third busbar.
Further, the three-phase isolation switch is three-phase air-isolation switch.
Further, the power switch is disconnecting link.
Further, it is additionally provided with breaker in the cabinet body, the A phase of the three-phase isolation switch is into connector, B phase into connecing
Head, C phase are connect with the leading-out terminal of the breaker respectively into connector.
Further, three coils for being spaced apart from each other distribution, the A phase of the three-phase isolation switch are additionally provided in the cabinet body
It corresponds into connector and is connect respectively with the breaker by three buses into connector, B phase into connector, C phase, three mothers
Line is corresponded respectively across three coils.
Further, fuse is additionally provided in the cabinet body.
Further, remote manipulator is additionally provided in the cabinet body.
Further, the cabinet body outer surface is equipped with PD intelligently aobvious number table.
Further, the cabinet body outer surface is set there are three being respectively used to show the three-phase division of the three-phase isolation switch
The indicator light of lock state.
Further, the cabinet body is furnished with cabinet door.
The beneficial effects of the utility model are embodied in:
The utility model by the on-off of two power switches, load can be divided into one group or three groups or small one and large one two
Group, and by tri- phase control of A, B, C of three-phase isolation switch, realize a phase or two-phase or three phase mains power supply, and select one
It when mutually or two-phase is powered, can also arbitrarily be selected in A, B, C three-phase, the effect that commutation is adjusted be realized, when residential electricity consumption has one
When the traffic overload of phase, two-phase or three-phase load are switched to, overloads it not, it, can be with once Primary regulation is unsuccessful
The distribution (user that each busbar can be accessed certain load by different proportion) being supported in three-phase by three busbar flexible modulations,
Finer three-phase load distribution is reached, more ideal threephase load regulating effect can not only be obtained, and drop significantly
The low construction cost of the device, application value with higher.
Detailed description of the invention
Fig. 1 is the external structure schematic diagram of an embodiment of the present invention.
Fig. 2 is the schematic diagram of internal structure of an embodiment of the present invention.
The label of each component in attached drawing are as follows: 1 cabinet body, 2 three-phase isolation switch, 3 first busbars, 4 second busbars, 5 thirds are female
Row, 6 power switches, 7 coils, 8 breakers, 9 fuses, 10 remote manipulators, 11PD are intelligently aobvious to count table, 12 indicator lights, 13 cabinets
Door, 14 door switch.
Specific embodiment
It is described in detail the utility model below with reference to the accompanying drawings.It should be noted that in the absence of conflict, this Shen
Please in embodiment and embodiment in feature can be combined with each other.
Referring to Fig. 1 and Fig. 2.
The utility model segmented threephase load phasing switch cabinet, including cabinet body 1 and be arranged in the cabinet body 1 three
It is isolated switch 2, the first busbar 3, the second busbar 4 and third busbar 5；
First busbar 3, second busbar 4, the third busbar 5 the A phase with the three-phase isolation switch 2 respectively
Connector, B phase go out connector out, C phase goes out connector and connects one to one；
First busbar 3, second busbar 4, the third busbar 5 are spaced apart from each other distribution, 3 He of the first busbar
Power switch 6 is respectively connected between second busbar 4 and between second busbar 4 and the third busbar 5.
In use, load can connect as needed on each busbar.
It designs in this way, it can be by two power switches of open and close by three busbar flexible combinations, when two electric power
When switch is closed, the first busbar, the second busbar, third busbar connect into an entirety, form one group of load；When two electric power
When switch disconnects, the first busbar, the second busbar, third busbar are independent as a whole, form three groups of loads；When
One of disconnection in two power switches, when another closure, the first busbar and the second busbar or the second busbar and third
Busbar connects into an entirety, and remaining busbar is independent as a whole, forms small one and large one two groups of loads.
And the first busbar, the second busbar, third busbar can by three-phase isolation switch it is independent control with A,
B, the connection and disconnection of C three-phase.
The working principle of the utility model are as follows: under normal operating condition, two power switches are closed, three busbar connections
At an entirety, connecing the phase that loading on each busbar is only integrally accessed in A, B, C three-phase by three busbars, (i.e. three are separated by
It leaves pass and only has phase closure)；When needing to fine-tune, can be born by the on-off of two power switches of control
What is carried reconfigures, and will be assigned to two-phase or three-phase in three-phase by the load of a phase power supply power supply originally, then closes three-phase
The two-phase or three-phase in disconnecting switch, reach finer sharing of load.
In one embodiment, the three-phase isolation switch 2 is three-phase air-isolation switch.Compared to other types, select empty
The advantages of gas formula is that air switch can reliably carry specified work electricity in low tension loop in stable working environment
Stream can also provide reliably protecting to route and load in failure environment, possess high breaking capacity, strong cut-off current characteristics are reliably gone out
Arc property.
In one embodiment, the power switch 6 is disconnecting link.Using disconnecting link, open and close is easy to operate, and controls
Reliably.
In one embodiment, it is additionally provided with breaker 8 in the cabinet body 1, the A phase of the three-phase isolation switch 2 is into connector, B
Mutually it is connect respectively with the leading-out terminal of the breaker 8 into connector, C phase into connector.Breaker is located at enter line side, end of incoming cables and electricity
Source connection, effect in circuit are connection, disjunction major loop.
In one embodiment, three coils 7 for being spaced apart from each other distribution are additionally provided in the cabinet body 1, the three-phase is kept apart
The A phase of pass 2 is corresponded into connector and is connect respectively with the breaker 8 by three buses into connector, B phase into connector, C phase,
Three buses are corresponded respectively across three coils 7.Here coil is also referred to as low-voltage current mutual inductor,
It is the electric current acquired in route that it, which is acted on, and by numeric feedback to digital display meter, the secondary connection end of low-voltage current mutual inductor passes through control
Circuit processed is connect with digital display meter.
In one embodiment, fuse 9 is additionally provided in the cabinet body 1.Fuse is located in control loop, acts on as two
When secondary line outlet failure, fuse can fuse separation to protect electrical component.Fuse two sides respectively with major loop bus and
Secondary terminals connection.
In one embodiment, 1 outer surface of cabinet body is equipped with PD intelligently aobvious number table 11.Intelligently aobvious number table can be shown immediately PD
Electric current and the numerical informations such as voltage, so as to the working condition in artificial decision circuitry.PD intelligently aobvious number tables respectively with low tension
Current transformer is connected with secondary terminals.
In one embodiment, 1 outer surface of cabinet body is set there are three being respectively used to show the three of the three-phase isolation switch 2
The indicator light 12 of phase opening and closing state.Preferably, three indicator lights are followed successively by yellowish green red trichromatism.
In one embodiment, remote manipulator 10 is additionally provided in the cabinet body 1.Remote manipulator is by controller and transmitter
Composition, emitted device provide signal, by the divide-shut brake of cabinet internal controller control three-phase isolation switch.In the prior art, it can control
The controller of the divide-shut brake of three-phase isolation switch processed has very much, and this will not be repeated here.
In one embodiment, the cabinet body 1 is furnished with cabinet door 13.Convenient for opening and closing cabinet body inner cavity.It can be set in cabinet door 13
Door switch 14 is set, cabinet door is convenient for.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (10)
1. segmented threephase load phasing switch cabinet, it is characterised in that: including cabinet body (1) and setting in the cabinet body (1)
Three-phase isolation switch (2), the first busbar (3), the second busbar (4) and third busbar (5)；
First busbar (3), second busbar (4), the third busbar (5) respectively with the three-phase isolation switch (2)
A phase go out connector, B phase go out connector, C phase go out connector connect one to one；
First busbar (3), second busbar (4), the third busbar (5) are spaced apart from each other distribution, first busbar
(3) electric power is respectively connected between second busbar (4) and between second busbar (4) and the third busbar (5)
It switchs (6).
2. segmented threephase load phasing switch cabinet as described in claim 1, it is characterised in that: the three-phase isolation switch
(2) it is switched for three-phase air-isolation.
3. segmented threephase load phasing switch cabinet as claimed in claim 1 or 2, it is characterised in that: the power switch (6)
For disconnecting link.
4. segmented threephase load phasing switch cabinet as claimed in claim 1 or 2, it is characterised in that: in the cabinet body (1) also
Equipped with breaker (8), the A phase of the three-phase isolation switch (2) is broken with described into connector, B phase into connector, C phase into connector respectively
The leading-out terminal of road device (8) connects.
5. segmented threephase load phasing switch cabinet as claimed in claim 4, it is characterised in that: also set in the cabinet body (1)
There are three being spaced apart from each other the coil (7) of distribution, the A phase of the three-phase isolation switch (2) is into connector, B phase into connector, C phase into connecing
Head is corresponded to be connect with the breaker (8) respectively by three buses, and three buses are corresponded respectively across three
A coil (7).
6. segmented threephase load phasing switch cabinet as claimed in claim 1 or 2, it is characterised in that: in the cabinet body (1) also
Equipped with fuse (9).
7. segmented threephase load phasing switch cabinet as claimed in claim 1 or 2, it is characterised in that: in the cabinet body (1) also
Equipped with remote manipulator (10).
8. segmented threephase load phasing switch cabinet as claimed in claim 1 or 2, it is characterised in that: cabinet body (1) appearance
Face is equipped with PD intelligently aobvious number table (11).
9. segmented threephase load phasing switch cabinet as claimed in claim 1 or 2, it is characterised in that: cabinet body (1) appearance
Face is respectively used to show the indicator light (12) of the three-phase opening and closing state of the three-phase isolation switch (2) there are three setting.
10. segmented threephase load phasing switch cabinet as claimed in claim 1 or 2, it is characterised in that: the cabinet body (1) is matched
There are cabinet door (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821047357.5U CN208299256U (en) | 2018-07-03 | 2018-07-03 | Segmented threephase load phasing switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821047357.5U CN208299256U (en) | 2018-07-03 | 2018-07-03 | Segmented threephase load phasing switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208299256U true CN208299256U (en) | 2018-12-28 |
Family
ID=64700237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821047357.5U Expired - Fee Related CN208299256U (en) | 2018-07-03 | 2018-07-03 | Segmented threephase load phasing switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208299256U (en) |
-
2018
- 2018-07-03 CN CN201821047357.5U patent/CN208299256U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181228 |