CN206023024U - A kind of Medium Voltage Switchgear with secondary backplate - Google Patents
A kind of Medium Voltage Switchgear with secondary backplate Download PDFInfo
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- CN206023024U CN206023024U CN201621012307.4U CN201621012307U CN206023024U CN 206023024 U CN206023024 U CN 206023024U CN 201621012307 U CN201621012307 U CN 201621012307U CN 206023024 U CN206023024 U CN 206023024U
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- bus
- room
- bar
- secondary backplate
- cabinet
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Abstract
The utility model discloses a kind of Medium Voltage Switchgear with secondary backplate, including bus-bar room, secondary backplate, circuit breaker cart room and cable vault, the bus-bar room is embedded in the inner chamber of cabinet, and on the downside of bus-bar room, it is provided with cable vault, the main bus-bar is installed in the inside of bus casing, and between main bus-bar and static contact head device for be electrically connected with, the relay control room is arranged on the top of secondary backplate, and secondary backplate is embedded in the inner chamber of circuit breaker cart room, the side door is fixedly connected on the outer wall of cabinet, the spark gap, grounding device summation current transformer is arranged at the inside of cable vault, and spark gap, electric connection is between grounding device and ground, the observation window is embedded in the outer wall of side door.The switch cubicle is provided with removably secondary backplate, installs and convenient disassembly, protective breaker, is provided with pressure relief device, during the arcing that breaks down, is automatically releasable pressure and vented gasses, protects the safety of personnel and cabinet.
Description
Technical field
This utility model is related to power distribution cabinet technical field, specially a kind of Medium Voltage Switchgear with secondary backplate.
Background technology
Switch cubicle is the electrical equipment based on chopper, refers to manufacturer's wanting according to electrical primary main wiring diagram
Ask, in the metal cabinet that relevant height voltage electrical and bus, current－carrying conductor, insulator etc. are assemblied in sealing or are opened wide,
As the device that power system receives distribution and electric energy, Main Function be carry out generating electricity, transmit electricity in power system, distribution and electric energy
During conversion, folding, control and protection electrical equipment is carried out.
In existing Medium Voltage Switchgear, lack the protection board of chopper, when circuit busbar occurs internal fault arcing, burn
Chopper is ruined, so as to cut off the electricity supply in time, the safety of operator and switch cubicle cannot be ensured.
Utility model content
The purpose of this utility model is to provide a kind of Medium Voltage Switchgear with secondary backplate, to solve above-mentioned background skill
The problem for lacking breaker protection plate proposed in art.
For achieving the above object, this utility model provides following technical scheme：A kind of Medium voltage switch or circuit breaker with secondary backplate
Cabinet, including cabinet, bus-bar room, main bus-bar, bus casing, relay control room, secondary backplate, circuit breaker cart room, side door, keeps away
Thunder device, grounding device, base, cable vault, current transformer, static contact head device and observation window, the bottom of the cabinet are fixed and are set
Base is equipped with, the bus-bar room is embedded in the inner chamber of cabinet, and cable vault is provided with the downside of bus-bar room, the main bus-bar is installed
In the inside of bus casing, and for being electrically connected between main bus-bar and static contact head device, the relay control room is arranged on two
The top of secondary backplate, and secondary backplate is embedded in the inner chamber of circuit breaker cart room, the side door is fixedly connected on the outer wall of cabinet,
And be connected by hinge between side door and cabinet, the spark gap, grounding device summation current transformer are arranged at cable vault
Inside, and between spark gap, grounding device and ground, be electric connection, the static contact head device is fixedly mounted on main bus-bar
Side, the observation window is embedded in the outer wall of side door.
Preferably, the secondary backplate is rectangle structure, and secondary backplate is detachable apparatus.
Preferably, pressure relief device is equipped with above the bus-bar room, circuit breaker cart room and cable vault.
Preferably, the side door is rotatable device, and its rotating range is 0-180 degree.
Preferably, chopper is provided with the inside of the secondary backplate.
Compared with prior art, the beneficial effects of the utility model are：Medium Voltage Switchgear that should be with secondary backplate is provided with
The secondary backplate of dismountable chopper, installs and convenient disassembly, can be effectively protected chopper, be provided with pressure relief device, occurs
During failure arcing, pressure and vented gasses are automatically releasable, preferably the safety of protection personnel and cabinet.
Description of the drawings
Fig. 1 is this utility model structural representation；
Fig. 2 is this utility model side door structure schematic diagram；
Fig. 3 is the secondary guard board structure schematic diagram of this utility model.
In figure：1st, cabinet, 2, bus-bar room, 3, main bus-bar, 4, bus casing, 5, relay control room, 6, secondary backplate, 7,
Circuit breaker cart room, 8, side door, 9, spark gap, 10, grounding device, 11, base, 12, cable vault, 13, current transformer, 14,
Static contact head device, 15, observation window.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole
Embodiment.Embodiment in based on this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
Fig. 1-2-3 are referred to, this utility model provides a kind of technical scheme：A kind of Medium voltage switch or circuit breaker with secondary backplate
Cabinet, including cabinet 1, bus-bar room 2, main bus-bar 3, bus casing 4, relay control room 5, secondary backplate 6, circuit breaker cart room 7,
Side door 8, spark gap 9, grounding device 10, base 11, cable vault 12, current transformer 13, static contact head device 14 and observation window 15,
The bottom of cabinet 1 is fixedly installed base 11, and bus-bar room 2 is embedded in the inner chamber of cabinet 1, and the downside of bus-bar room 2 is provided with electricity
Cable room 12, main bus-bar 3 is installed in the inside of bus casing 4, and is electric connection between main bus-bar 3 and static contact head device 14, after
Electrical instrumentation room 5 is arranged on the top of secondary backplate 6, and secondary backplate 6 is embedded in the inner chamber of circuit breaker cart room 7, secondary shield
Plate 6 is rectangle structure, and secondary backplate 6 is detachable apparatus, and the inner side of secondary backplate 6 is provided with chopper, and side door 8 is fixed
Be connected between the outer wall of cabinet 1, and side door 8 and cabinet 1 and be connected by hinge, side door 8 be rotatable device, and its rotate
Scope is 0-180 degree, and spark gap 9,10 summation current transformer 13 of grounding device are arranged at the inside of cable vault 12, and spark gap
9th, electric connection is between grounding device 10 and ground, and the top of bus-bar room 2, circuit breaker cart room 7 and cable vault 12 is all provided with
There are pressure relief device, static contact head device 14 to be fixedly mounted on the side of main bus-bar 3, observation window 15 is embedded in the outer wall of side door 8.
Operation principle：When the Medium Voltage Switchgear of secondary backplate is carried using this, needed to entirely carrying secondary backplate first
Medium Voltage Switchgear have understanding in a structure, can more easily be used, cabinet 1 is placed on required distribution
Position is simultaneously fixed, the outside that secondary backplate 6 is installed at chopper, in off-position by external power cord and 1 inside phase of cabinet
Connection, shuts Qianmen afterwards, switches on power, and electric current each part inside the cabinet 1 is diverted, thundery sky come interim,
In the presence of spark gap 9 cabinet 1 can normal work, during the arcing that breaks down, chopper is not received under the protection of secondary backplate 6
Infringement, timely cuts off the electricity supply, and then preferably completes a series of process of distributing electricity.
Although being described in detail to this utility model with reference to the foregoing embodiments, for those skilled in the art comes
Say, which still can be modified to the technical scheme described in foregoing embodiments, or which part technical characteristic is entered
Row equivalent, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements that is made etc. all should
It is included within protection domain of the present utility model.
Claims (5)
1. a kind of Medium Voltage Switchgear with secondary backplate, including cabinet (1), bus-bar room (2), main bus-bar (3), bus casing
(4), relay control room (5), secondary backplate (6), circuit breaker cart room (7), side door (8), spark gap (9), grounding device
(10), base (11), cable vault (12), current transformer (13), static contact head device (14) and observation window (15), its feature exist
In：The bottom of cabinet (1) is fixedly installed base (11), and bus-bar room (2) are embedded in the inner chamber of cabinet (1), and female
Cable vault (12) is provided with the downside of line room (2), and described main bus-bar (3) are installed in the inside of bus casing (4), and main bus-bar
(3) for being electrically connected with and static contact head device (14) between, relay control room (5) are arranged on the top of secondary backplate (6),
And secondary backplate (6) are embedded in the inner chamber of circuit breaker cart room (7), side door (8) are fixedly connected on the outer wall of cabinet (1),
And be connected by hinge between side door (8) and cabinet (1), spark gap (9), grounding device (10) summation current transformer
(13) inside of cable vault (12) is arranged at, and spark gap (9), grounding device (10) is electric connection and ground between,
Static contact head device (14) are fixedly mounted on the side of main bus-bar (3), and observation window (15) are embedded in the outer of side door (8)
Wall.
2. a kind of Medium Voltage Switchgear with secondary backplate according to claim 1, it is characterised in that：The secondary backplate
(6) it is rectangle structure, and secondary backplate (6) is detachable apparatus.
3. a kind of Medium Voltage Switchgear with secondary backplate according to claim 1, it is characterised in that：The bus-bar room
(2), pressure relief device is equipped with above circuit breaker cart room (7) and cable vault (12).
4. a kind of Medium Voltage Switchgear with secondary backplate according to claim 1, it is characterised in that：Side door (8)
For rotatable device, and its rotating range is 0-180 degree.
5. a kind of Medium Voltage Switchgear with secondary backplate according to claim 1, it is characterised in that：The secondary backplate
(6) chopper is provided with the inside of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621012307.4U CN206023024U (en) | 2016-08-31 | 2016-08-31 | A kind of Medium Voltage Switchgear with secondary backplate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621012307.4U CN206023024U (en) | 2016-08-31 | 2016-08-31 | A kind of Medium Voltage Switchgear with secondary backplate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206023024U true CN206023024U (en) | 2017-03-15 |
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ID=58255440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621012307.4U Active CN206023024U (en) | 2016-08-31 | 2016-08-31 | A kind of Medium Voltage Switchgear with secondary backplate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206023024U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113488866A (en) * | 2021-08-02 | 2021-10-08 | 山东电工配网科技发展有限公司 | 10kV medium voltage switchgear with high temperature alarm function |
-
2016
- 2016-08-31 CN CN201621012307.4U patent/CN206023024U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113488866A (en) * | 2021-08-02 | 2021-10-08 | 山东电工配网科技发展有限公司 | 10kV medium voltage switchgear with high temperature alarm function |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |