CN110198007A - Integrated high pressure switchgear - Google Patents
Integrated high pressure switchgear Download PDFInfo
- Publication number
- CN110198007A CN110198007A CN201910626554.5A CN201910626554A CN110198007A CN 110198007 A CN110198007 A CN 110198007A CN 201910626554 A CN201910626554 A CN 201910626554A CN 110198007 A CN110198007 A CN 110198007A
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- China
- Prior art keywords
- high pressure
- integrated high
- cabinet
- bar
- connection terminal
- Prior art date
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- 238000002955 isolation Methods 0.000 claims description 9
- 238000009529 body temperature measurement Methods 0.000 claims description 5
- 230000008901 benefit Effects 0.000 abstract description 7
- 230000017525 heat dissipation Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The present invention relates to electrical equipment technical fields, a kind of integrated high pressure switchgear, including cabinet body, diaphragm plate, main female cabinet, main bus-bar, the first stringer board, the second stringer board, the first connection terminal, second connection end, breaker, current transformer, disconnecting switch and auxiliary bus-bar are specifically disclosed.The present invention provides a kind of integrated high pressure switchgear, has not only been able to achieve effective heat dissipation, but also has the advantages that compact-sized and save space.
Description
Technical field
The present invention relates to electrical equipment technical field more particularly to a kind of integrated high pressure switchgears.
Background technique
Switchgear (switch cabinet) is a kind of electrical equipment, and switchgear outside line is introduced into master switch in cabinet, so
Enter sub-control switch afterwards, each branch is set according to its needs.Such as instrument, automatic control, motor magnetic switch, various A.C. contactors
Deng some also sets hyperbaric chamber and low-pressure chamber switchgear, is equipped with high voltage bus, such as power plant, and some is additionally provided with to protect and mainly set
Standby low-frequency load reduction.
Switchgear can generate heat during the work time, and temperature is excessively high to will lead to switchgear damage, influences the stability of power supply, high
Compress switch cabinet heat condition it is especially serious.Therefore, for high-tension switch cabinet, how effectively to carry out cooling and heat dissipation and have become
Technical problem urgently to be resolved, in order to improve heat dissipation performance, the design volume of current many high-tension switch cabinets is larger, although
It can facilitate to radiate to a certain extent, but equipment is also brought to occupy the excessive problem of volume.
Summary of the invention
It is an advantage of the invention to provide a kind of integrated high pressure switchgears, have not only been able to achieve effective heat dissipation, but also have
The advantages of compact-sized and saving space.
To achieve these objectives, the present invention provides a kind of integrated high pressure switchgear, including cabinet body, is equipped with and holds in the cabinet body
Set chamber, the integrated high pressure switchgear further include:
Diaphragm plate, the diaphragm plate are located in the accommodating cavity and the accommodating cavity are divided into epicoele and cavity of resorption；
Main mother's cabinet, main female cabinet are located at the middle position of the upper top of chamber；The two sides of main female cabinet are equipped with pressure release
Channel；
Main bus-bar, the main bus-bar are located in main female cabinet；
First stringer board, first stringer board are located at the top of the diaphragm plate and are located at the lower section of main female cabinet, will
The lower space of the epicoele is divided into isolation ward and breaker chamber；
Second stringer board, second stringer board are located at the lower section of the diaphragm plate and the cavity of resorption are divided into auxiliary bus-bar room
The cable vault and；
First connection terminal, first connection terminal are connect with the main bus-bar；
Second connection end；
Breaker, the breaker are located in breaker chamber, and one end is aligned with first connection terminal, the other end with
The second connection end alignment, the breaker is for being connected first connection terminal and second connection end；
Current transformer, the current transformer are located in the cable vault, and one end and second connection end connect
It connects, the other end with outlet cable for connecting；
Disconnecting switch, the disconnecting switch are located in the isolation ward, and one end is connect with the current transformer；
Auxiliary bus-bar, the auxiliary bus-bar are located in the auxiliary bus-bar room and are electrically connected with the other end of the disconnecting switch
It connects.
Preferably, the integrated high pressure switchgear further include:
One end of third connection terminal, the third connection terminal is connect with the current transformer, the other end respectively with
Second connection end is connected with disconnecting switch.
Preferably, the integrated high pressure switchgear further include:
Earthing switch, the earthing switch are located in the cable vault, for connecting with the current transformer.
Preferably, the integrated high pressure switchgear further include:
Control cabinet, the control cabinet are located at the edge placement of the upper top of chamber.
Preferably, the control cabinet and main female cabinet interval are arranged to form the pressure release passage.
Preferably, the top of the cabinet body is equipped with through hole, and the pressure release passage passes through the through hole and the cabinet body
Exterior space connection.
Preferably, first connection terminal and second connection end are each attached on first stringer board.
Preferably, the third connection terminal is fixed on the diaphragm plate.
Preferably, the cabinet body is equipped with infrared temperature measurement window, is equipped with implosion guard plate on the infrared temperature measurement window.
The beneficial effects of the present invention are: a kind of integrated high pressure switchgear is provided, had not only been able to achieve effective heat dissipation, but also have
The advantages of compact-sized and saving space.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram for the integrated high pressure switchgear that embodiment provides.
In figure:
1, cabinet body；2, diaphragm plate；3, main female cabinet；4, main bus-bar；5, the first stringer board；6, the second stringer board；7, the first connecting pin
Son；8, second connection end；9, breaker；10, current transformer；11, disconnecting switch；12, auxiliary bus-bar；13, third connects
Terminal；14, earthing switch；15, control cabinet；16, pressure release passage；17, isolation ward；18, breaker chamber；19, auxiliary bus-bar room；
20, cable vault；21, outlet cable.
Specific embodiment
To enable the purpose of the present invention, feature, advantage more obvious and understandable, implement below in conjunction with the present invention
Attached drawing in example, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that reality disclosed below
Applying example is only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
Referring to Fig. 1, the present embodiment provides a kind of integrated high pressure switchgears, including cabinet body 1, diaphragm plate 2, main female cabinet 3, master
Bus 4, the first stringer board 5, the second stringer board 6, the first connection terminal 7, second connection end 8, breaker 9, current transformer 10, every
Leave pass 11 and auxiliary bus-bar 12.
Accommodating cavity is equipped in the cabinet body 1.The diaphragm plate 2 is located in the accommodating cavity and is divided into the accommodating cavity
Epicoele and cavity of resorption.Main female cabinet 3 is located at the middle position of the upper top of chamber；The two sides of main female cabinet 3 are logical equipped with pressure release
Road 16.The main bus-bar 4 is located in main female cabinet 3.First stringer board 5 is located at the top of the diaphragm plate 2 and is located at institute
The lower section for stating main female cabinet 3, is divided into isolation ward 17 and breaker Room 9 for the lower space of the epicoele.Second stringer board 6
Positioned at the diaphragm plate 2 lower section and the cavity of resorption is divided into auxiliary bus-bar room 19 and cable vault 20.First connecting pin
Son 7 is connect with the main bus-bar 4.The breaker 9 is located in breaker Room 9, and one end and first connection terminal 7 are right
Together, the other end is aligned with second connection end 8, and the breaker 9 connects for first connection terminal 7 and second to be connected
Connecting terminal 8.The current transformer 10 is located in the cable vault 20, and one end is connect with second connection end 8, another
End with outlet cable 21 for connecting.The disconnecting switch 11 is located in the isolation ward 17, one end and the Current Mutual Inductance
Device 10 connects.The auxiliary bus-bar 12 is located in the auxiliary bus-bar room 19 and is electrically connected with the other end of the disconnecting switch 11
It connects.
Preferably, the integrated high pressure switchgear further include:
Third connection terminal 13, one end of the third connection terminal 13 are connect with the current transformer 10, the other end
It is connect respectively with second connection end 8 and disconnecting switch 11.
Preferably, the integrated high pressure switchgear further include:
Earthing switch 14, the earthing switch 14 are located in the cable vault 20, for connecting with the current transformer 10
It connects.
Preferably, the integrated high pressure switchgear further include:
Control cabinet 15, the control cabinet 15 are located at the edge placement of the upper top of chamber.
Preferably, the control cabinet 15 is arranged with main female interval of cabinet 3 to form the pressure release passage 16.
Preferably, the top of the cabinet body 1 is equipped with through hole, and the pressure release passage 16 passes through the through hole and the cabinet
The exterior space of body 1 is connected to.
Preferably, first connection terminal 7 and second connection end 8 are each attached on first stringer board 5.
Preferably, the third connection terminal 13 is fixed on the diaphragm plate 2.
Preferably, the cabinet body 1 is equipped with infrared temperature measurement window, is equipped with implosion guard on the infrared temperature measurement window
Plate.
Specifically, the integrated high pressure switchgear course of work provided in this embodiment is as follows:
1. under normal condition, need to be powered using main bus-bar 4, breaker 9 promoted, make the first connection terminal 7 with
Second connection end 8 is connected, and should be ensured that disconnecting switch 11 is in disjunction state at this time；Then the path that flows through of electric current is at this time:
--- --- third connection terminal 13 --- current transformer 10 --- outlet cable 21 of breaker 9 of main bus-bar 4；
2. disconnecting switch 11 is closed a floodgate when needing the power supply line to main bus-bar 4 to overhaul, make auxiliary bus-bar 12 with
Third connection terminal 13 is connected；The electric current of outlet cable 21 comes from two paths at this time, and one is main bus-bar 4 --- breaker
9 --- third connection terminal 13 --- current transformer 10 --- outlet cable 21, the other is auxiliary bus-bar 12 --- isolation
Switch 11 --- current transformer 10 --- outlet cable 21；
3. breaker 9 is pulled out, disconnect the first connection terminal 7 and second connection end 8；Then outlet cable 21 is only left
Thus the electric current in the path from auxiliary bus-bar 12 can be completed equipotential do not have a power failure and switch power supply line.
The present invention provides a kind of integrated high pressure switchgear, has following advantages:
1, mutually isolated between each function compartment, can achieve the purpose that it is compact-sized and have good failure every
From performance；
2, each function compartment is equipped with pressure release approach, and main mother's cabinet 3 can carry out pressure release by the pressure release top cover of cabinet top；It is disconnected
Road device room 18 and isolation ward 17 can pass through 16 pressure release of pressure release passage；Auxiliary bus-bar room 19 and cable vault 20 can pass through bottom of cabinet
Relief hole pressure release；Switchgear can be released effectively the high pressure gas that arcing failure generates in cabinet body 1, protect 1 element of cabinet body, avoid thing
Therefore it magnifies；
3, breaker 9 and disconnecting switch 11 all use exploitation formula contact, can directly observe fracture；It can direct infrared prison
Survey fracture temperature and 1 heat dispersal situations of cabinet body；
4, cabinet body 1 is arranged one main one for that can carry out equipotential switching between double-bus main bus-bar 4.
The present invention provides a kind of integrated high pressure switchgear, has not only been able to achieve effective heat dissipation, but also has compact-sized and save
The advantages of space.
The description of above-described embodiment is provided with the purpose of illustration and description.It is not intended to exhaustion or the limitation disclosure.It is specific
Embodiment individual component or feature be generally free from the limitation of specific embodiment, but in where applicable, even if not having
It is specifically illustrated in or describes, can be interchanged and for selected embodiment.In many aspects, identical element or feature
Also it can change.This variation is not to be regarded as a departure from the disclosure, and all this modifications mean to be included in the disclosure
In the range of.
Example embodiment is provided, so that the disclosure will become thoroughly, and the range fully will be conveyed to ability
Technical staff in domain.In order to understand thoroughly embodiment of the disclosure, numerous details, such as specific component, device and side are illustrated
The example of method.Clearly for those skilled in that art, do not need using specific details, example embodiment can be with many
Different forms is implemented, and neither should be construed as limiting the scope of the present disclosure.In some example embodiments, not right
Well known process, well known apparatus structure and well known technology are described in detail.
Here, using specialized vocabulary only for describing the purpose of specific example embodiment, and not mean to limit
Purpose.Unless context clearly makes opposite expression, singular " one (a) " as used herein, " one (an) "
" being somebody's turn to do (the) " can mean also to include plural form.Term " including (comprises) ", " including (comprising) ",
" including (including) " and it is included in the interior meaning " with (having) ", and therefore specifies and there is stated spy
Sign, entirety, step, operation, element and/or component, but do not exclude the presence of or extraly have other spies of one or more
Sign, entirety, step, operation, element, component and/or combination thereof.Unless explicitly indicated the order executed, it is described herein
This method step, handling and operation are not interpreted as centainly needing to execute according to the specific order discussed and shown.Should also
Understand, it can be using additional or selectable step.
When element or layer be known as " ... on ", " with ... engage ", " being connected to " or " being connected to " another
Element or layer can be and engage, be connected to or couple directly on another element or layer, with another element or layer
To another element or layer, there may also be intervenient element or layers.In contrast, when element or layer are known as " straight
On connecing ... ", " with ... directly engage ", " being directly connected to " or " being directly coupled to " another element or layer, then may be used
Intervenient element or layer can be not present.Other words for being used to describe element relation should explain (example in a similar way
Such as, " ... between " and " between directly existing ... ", " adjacent " and " direct neighbor " etc.).Term "and/or" as used herein
Any and all combination of one or more including associated the enumerated project.Although may have been used art herein
Language first, second, third, etc. to describe various elements, component, regions, layers, and/or portions, these elements, component, region,
Layer and/or part are not limited by these terms.These terms can be served only for an element, component, region or part
It is distinguished with another element, component, region or part.Unless clearly showed that by context, herein using such as term " the
One ", the term of " second " and other numerical value is it is not intended that sequence or order.Therefore, lower section discuss first element, component,
Region, layer or part can be implemented using second element, component, region, layer or partial term without departing from the example
The introduction of example.
The relative terms in space, such as "inner", "outside", " below ", " in so-and-so lower section ", " lower part ", " top ",
" top " etc. can use herein for convenient for the purpose of description, to describe an element or feature as illustrated in the drawing and another
Relationship between outer one or more element or feature.The relative terms in space can mean the orientation comprising describing except the figure
Except the device different orientations.For example, if overturn the device in the figure, then it is described as " in other elements or feature
Element of the lower section " either " below element or feature " will be oriented to " in the top of other elements or feature ".Therefore,
Exemplary term " ... lower section " may include upwardly and downwardly two kinds orientations.The device can be otherwise orientated,
Such as it is rotated by 90 ° or other orientations, and explained with the opposite description in space herein.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (9)
1. a kind of integrated high pressure switchgear, which is characterized in that including cabinet body (1), accommodating cavity, institute are equipped in the cabinet body (1)
State integrated high pressure switchgear further include:
Diaphragm plate (2), the diaphragm plate (2) are located in the accommodating cavity and the accommodating cavity are divided into epicoele and cavity of resorption；
Main mother's cabinet (3), main female cabinet (3) are located at the middle position of the upper top of chamber；The two sides of main female cabinet (3) are equipped with
Pressure release passage (16)；
Main bus-bar (4), the main bus-bar (4) are located in main female cabinet (3)；
First stringer board (5), first stringer board (5) are located at the top of the diaphragm plate (2) and are located under main female cabinet (3)
Side, is divided into isolation ward (17) and breaker (9) room for the lower space of the epicoele；
Second stringer board (6), second stringer board (6) are located at the lower section of the diaphragm plate (2) and are divided into the cavity of resorption spare
Bus-bar room (19) and cable vault (20)；
First connection terminal (7), first connection terminal (7) connect with the main bus-bar (4)；
Second connection end (8)；
Breaker (9), the breaker (9) are located in breaker (9) room, and one end is aligned with first connection terminal (7),
The other end be aligned with the second connection end sub (8), and the breaker (9) is used to be connected first connection terminal (7) and the
Two connection terminals (8)；
Current transformer (10), the current transformer (10) are located in the cable vault (20), and one end and described second connects
Connecting terminal (8) connection, the other end with outlet cable (21) for connecting；
Disconnecting switch (11), the disconnecting switch (11) are located in the isolation ward (17), one end and the current transformer
(10) it connects；
Auxiliary bus-bar (12), the auxiliary bus-bar (12) be located in the auxiliary bus-bar room (19) and with the disconnecting switch (11)
The other end electrical connection.
2. integrated high pressure switchgear according to claim 1, which is characterized in that further include:
One end of third connection terminal (13), the third connection terminal (13) is connect with the current transformer (10), another
End is connect with the second connection end sub (8) and disconnecting switch (11) respectively.
3. integrated high pressure switchgear according to claim 1, which is characterized in that further include:
Earthing switch (14), the earthing switch (14) are located in the cable vault (20), are used for and the current transformer
(10) it connects.
4. integrated high pressure switchgear according to claim 1, which is characterized in that further include:
Control cabinet (15), the control cabinet (15) are located at the edge placement of the upper top of chamber.
5. integrated high pressure switchgear according to claim 4, which is characterized in that the control cabinet (15) and the main mother
Cabinet (3) interval is arranged to form the pressure release passage (16).
6. integrated high pressure switchgear according to claim 1, which is characterized in that the top of the cabinet body (1) is equipped with and passes through
Perforation, the pressure release passage (16) are connected to by the through hole with the exterior space of the cabinet body (1).
7. integrated high pressure switchgear according to claim 1, which is characterized in that first connection terminal (7) and
Two connection terminals (8) are each attached on first stringer board (5).
8. integrated high pressure switchgear according to claim 2, which is characterized in that the third connection terminal (13) is fixed
On the diaphragm plate (2).
9. integrated high pressure switchgear according to claim 1, which is characterized in that the cabinet body (1) is equipped with infrared survey
Warm window is equipped with implosion guard plate on the infrared temperature measurement window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910626554.5A CN110198007A (en) | 2019-07-11 | 2019-07-11 | Integrated high pressure switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910626554.5A CN110198007A (en) | 2019-07-11 | 2019-07-11 | Integrated high pressure switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110198007A true CN110198007A (en) | 2019-09-03 |
Family
ID=67756095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910626554.5A Pending CN110198007A (en) | 2019-07-11 | 2019-07-11 | Integrated high pressure switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110198007A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110620346A (en) * | 2019-10-30 | 2019-12-27 | 广东北江开关厂有限公司 | High-voltage switch cabinet structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2328112Y (en) * | 1998-04-16 | 1999-07-07 | 镇江供电局 | Vacuum switch cabinet with fixed by-pass bus |
| DE102007045486A1 (en) * | 2006-09-21 | 2008-05-29 | Ormazabal Distribucion Primaria, S.A. | Modular switch-gear for energy distribution in e.g. electrical system, has separating and/or connecting and grounding chamber arranged below separate switching and/or switching busbar chamber that is accessible from switching side of cell |
| CN203398613U (en) * | 2013-06-18 | 2014-01-15 | 湖南楚天电气工业有限公司 | AC metal enclosing type switch cabinet |
| CN106486912A (en) * | 2016-12-09 | 2017-03-08 | 新疆昆仑电气有限公司 | A kind of row of turning over metering cabinet and the combination sideboard of PT cabinet |
| CN209823247U (en) * | 2019-07-11 | 2019-12-20 | 广东电网有限责任公司 | Integrated high-voltage switch cabinet |
-
2019
- 2019-07-11 CN CN201910626554.5A patent/CN110198007A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2328112Y (en) * | 1998-04-16 | 1999-07-07 | 镇江供电局 | Vacuum switch cabinet with fixed by-pass bus |
| DE102007045486A1 (en) * | 2006-09-21 | 2008-05-29 | Ormazabal Distribucion Primaria, S.A. | Modular switch-gear for energy distribution in e.g. electrical system, has separating and/or connecting and grounding chamber arranged below separate switching and/or switching busbar chamber that is accessible from switching side of cell |
| CN203398613U (en) * | 2013-06-18 | 2014-01-15 | 湖南楚天电气工业有限公司 | AC metal enclosing type switch cabinet |
| CN106486912A (en) * | 2016-12-09 | 2017-03-08 | 新疆昆仑电气有限公司 | A kind of row of turning over metering cabinet and the combination sideboard of PT cabinet |
| CN209823247U (en) * | 2019-07-11 | 2019-12-20 | 广东电网有限责任公司 | Integrated high-voltage switch cabinet |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110620346A (en) * | 2019-10-30 | 2019-12-27 | 广东北江开关厂有限公司 | High-voltage switch cabinet structure |
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