CN209001458U - A kind of high voltage mid-placed cabinet - Google Patents

A kind of high voltage mid-placed cabinet Download PDF

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Publication number
CN209001458U
CN209001458U CN201821744205.0U CN201821744205U CN209001458U CN 209001458 U CN209001458 U CN 209001458U CN 201821744205 U CN201821744205 U CN 201821744205U CN 209001458 U CN209001458 U CN 209001458U
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China
Prior art keywords
bus
partition
room
breaker chamber
bar
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Active
Application number
CN201821744205.0U
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Chinese (zh)
Inventor
江启芬
戴永林
高雄鹰
蔡长虹
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YANGZHOU HUADING ELECTRIC CO Ltd
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YANGZHOU HUADING ELECTRIC CO Ltd
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Priority to CN201821744205.0U priority Critical patent/CN209001458U/en
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Abstract

The utility model belongs to technical field of electric equipment, and in particular to a kind of high voltage mid-placed cabinet.It is provided with heating device in breaker chamber described in the utility model, can be effectively prevented and generate the danger of condensation bring in the biggish environment thereafter of high temperature or temperature change, so that using in above-mentioned environment, prevent corrosion condition from occurring;The top of bus-bar room and breaker chamber described in the utility model is provided with pressure relief device, when Internal faults arc occurs for breaker or bus, with the appearance of electric arc, air pressure increases in cabinet, cabinet door is closed by the sealing ring being installed in cabinet door, the pressure relief device of top setting will automatically turn on, and release stress and vented gasses, to ensure the safety of operator and cabinet body;The utility model is by earthing main bus, earthing switch, earthing switch control device and the copper bar through each room, so that the electric elements in cabinet are using Shi Junneng in well under ground state, it is ensured that the safety of operator.

Description

A kind of high voltage mid-placed cabinet
Technical field
The utility model belongs to technical field of electric equipment, and in particular to a kind of high voltage mid-placed cabinet.
Background technique
Middle-placed switch cabinet, full name are metal-clad moveable middle sealing switch equipment.Belong to high voltage distribution installation, highest work Voltage 3.6/7.2/12kV is the indoor complete with Denso of three-phase alternating current 50Hz sectionalized single busbar connection system or double-bus segmented system It sets.For receiving and the network power with 3.6-12kV, and control protection, monitoring and measuring are carried out to power circuit.Middle Switchgear is mainly used for power plant, the power transmission of medium and small generator, electric system secondary substation by electricity, power transmission, industrial and mineral enterprise The distribution of public institution and the starting of Large-scale High-Pressure motor etc..
Authorization Notice No. are as follows: the patent of CN203135254 U, it is a kind of to be equipped in the double-bus of straight-through current transformer Set cabinet, including cabinet body, interior of the cabinet with by grounding plate be separated into control room, breaker chamber, cable vault, main bus-bar room and Isolation ward;Control room, breaker chamber, cable vault, main bus-bar room and isolation ward are correspondingly arranged on cabinet door;It is provided with and keeps away in cable vault Thunder needle, earthing switch;It is mutual that the first, second disconnecting switch, upper contact head box, lower contact box and centre path current are provided in isolation ward Sensor;Upper contact head box and lower contact box are arranged on the metal plate of segmentation breaker chamber and isolation ward;Straight-through current transformer It is arranged on the metal plate of segmentation cable vault and isolation ward;The first, second bus-bar room is divided by partition in main bus-bar room;The One, the first and second bus-bar room bus is connected in two bus-bar rooms respectively.The utility model cabinet top is provided with double-bus room, and makes simultaneously There is preferable reliability, continuity and practicability with straight-through current transformer two.However when generation of breaking down in cabinet When electric arc, explosive event is likely to occur since pressure is excessive in cabinet;In addition, middle-placed switch cabinet is under hot environment often in using, when Condensation is likely to occur when temperature change in cabinet, and then corrodes internal electronic component, influences normal use.
Utility model content
The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a kind of high voltage mid-placed cabinet.
The technical solution that this patent solves above-mentioned technical problem is as follows: a kind of high voltage mid-placed cabinet, including shell, the shell Interior to be divided into bus-bar room, breaker chamber, cable vault and relay instrument room by first partition, the bus-bar room is located at the electricity The top of cable room, the relay instrument room are located at the upper right side of the breaker chamber, are provided with several masters in the bus-bar room Bus, the main bus-bar are arranged with bus casing by the small bus connection of several branches, the main bus-bar periphery, and the branch is small The end of bus connects contact box, is provided with static contact in the contact box, one end of the contact box is located at the bus-bar room Interior, the other end is located at the breaker chamber through the first partition, is provided with electricity in the first partition of the bus-bar room bottom end Current transformer, arrester, cable and earthing switch are provided in the cable vault, and the copper bar bus line of the contact box output passes through It is connect after the current transformer with the arrester and earthing switch, circuit breaker cart, institute is provided in the breaker chamber It states and is provided with secondary plug above circuit breaker cart, the bottom end of the breaker chamber is provided with third partition, in the shell It is provided with control wire casing below the breaker chamber, earthing switch control dress is provided with above the control wire casing It sets, the earthing switch control device is electrically connected with earthing switch, and the bottom end inner wall of the shell is provided with bottom plate.
Further, second partition is provided between the first partition between the bus-bar room and breaker chamber.
Further, heating device is provided in institute's breaker chamber.
Further, the top of the bus-bar room and breaker chamber is provided with pressure relief device.
Further, earthing main bus is provided on the bottom plate.
Further, the first partition is loading and unloading type partition, and the second partition is valve, and the third partition is can Pull-out type partition.
Further, the shell is that aluminizing zine plate splicing is made.
The beneficial effect of this patent is:
1, be provided with heating device in the utility model institute breaker chamber, can be effectively prevented high temperature or temperature change compared with It is dangerous that condensation bring is generated in big environment thereafter, so that using in above-mentioned environment, prevents corrosion condition from occurring;
2, the top of bus-bar room and breaker chamber described in the utility model is provided with pressure relief device, when breaker or bus When Internal faults arc occurs, with the appearance of electric arc, air pressure is increased in cabinet, and the sealing ring being installed in cabinet door closes cabinet door Get up, the pressure relief device of top setting will automatically turn on, and release stress and vented gasses, to ensure the peace of operator and cabinet body Entirely;
3, the utility model passes through earthing main bus, earthing switch, earthing switch control device and through each room Copper bar, so that the electric elements in cabinet are using Shi Junneng in well under ground state, it is ensured that the safety of operator.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of high voltage mid-placed cabinet described in the utility model specific embodiment;
Appended drawing reference:
1- shell;The small bus of 2- branch;3- bus casing;4- main bus-bar;5- static contact;6- contact box;7- Current Mutual Inductance Device;8- earthing switch;9- cable;10- arrester;11- earthing main bus;12- first partition;13- second partition;14- bis- times Plug;15- circuit breaker cart;16- heating device;17- third partition;18- earthing switch control device;19- bottom plate;A- is female Line room;B- breaker chamber;The cable vault C-;D- relay instrument room;1.1- pressure relief device;1.2- controls wire casing.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solutions of the utility model.Following embodiment is only For clearly illustrating the technical solution of the utility model, therefore it is only used as example, and it is originally practical to cannot be used as a limitation limitation Novel protection scope.
It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this reality The ordinary meaning understood with novel one of ordinary skill in the art.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or Positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or member of indication or suggestion meaning Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply relatively important Property or implicitly indicate the quantity of indicated technical characteristic.The meaning of " plurality " is two in the description of the present invention, More than, unless otherwise specifically defined.
In this application unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be mechanical connect It connects, is also possible to be electrically connected;It can be directly connected, can also can be in two elements indirectly connected through an intermediary The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings Condition understands the concrete meaning of above-mentioned term in the present invention.
Embodiment
As shown in Figure 1, a kind of high voltage mid-placed cabinet provided by the utility model, including shell 1, pass through in the shell 1 First partition 12 is divided into bus-bar room A, breaker chamber B, cable vault C and relay instrument room D, the bus-bar room A and is located at described The top of cable vault C, the relay instrument room D are located at the upper right side of the breaker chamber B, are provided in the bus-bar room A Several main bus-bars 4, the main bus-bar 4 are connected by the small bus 2 of several branches, and 4 periphery of main bus-bar is arranged with bus casing 3, the end of the small bus 2 of branch connects contact box 6, is provided with static contact 5 in the contact box 6, and the one of the contact box 6 End is located in the bus-bar room A, and the other end is located in the breaker chamber B through first partition, and the of the bottom end the bus-bar room A It is provided with current transformer 7 on one partition, arrester 10, cable 9 and earthing switch 8, the touching are provided in the cable vault C The copper bar bus line that head cartridge 6 exports is connect after passing through the current transformer 7 with the arrester 10 and earthing switch 8, described disconnected Circuit breaker cart 15 is provided in the B of road device room, the top of the circuit breaker cart 15 is provided with secondary plug 14, the breaker The bottom end of room B is provided with third partition 17, is located at below the breaker chamber B in the shell 1 and is provided with control wire casing 1.2, the top of the control wire casing 1.2 is provided with earthing switch control device 18, the earthing switch control device 18 with connect Ground switch 8 is electrically connected, and the bottom end inner wall of the shell 1 is provided with bottom plate 19.
Further, second partition 13 is provided between the first partition between the bus-bar room A and breaker chamber B.
Further, be provided with heating device 16 in institute breaker chamber B, can be effectively prevented high temperature or temperature change compared with It is dangerous that condensation bring is generated in big environment thereafter, so that using in above-mentioned environment, prevents corrosion condition from occurring.
Further, the top of the bus-bar room A and breaker chamber B is provided with pressure relief device 1.1, as breaker or mother When Internal faults arc occurs for line, with the appearance of electric arc, air pressure is increased in cabinet, and the sealing ring being installed in cabinet door seals cabinet door It shuts and, the pressure relief device of top setting will automatically turn on, and release stress and vented gasses, to ensure operator and cabinet body Safety.
Further, it is provided with earthing main bus 11 on the bottom plate 19, other ground connection branch lines are applied in each interior, lead to It crosses earthing switch control device 18 and controls earthing switch 8 to be opened and closed the ground state of the utility model, so that electric elements use Shi Junneng is in well under ground state, it is ensured that the safety of operator.
Further, the first partition 12 is loading and unloading type partition, and the second partition 13 is valve, the third partition 17 be withdrawable partition.
Further, the shell 1 is that aluminizing zine plate splicing is made.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System;Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced;And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims (6)

1. a kind of high voltage mid-placed cabinet, it is characterised in that: including shell, in the shell by first partition be divided into bus-bar room, Breaker chamber, cable vault and relay instrument room, the bus-bar room are located at the top of the cable vault, the relay instrument room Positioned at the upper right side of the breaker chamber, several main bus-bars are provided in the bus-bar room, the main bus-bar passes through several branches Small bus connection, the main bus-bar periphery are arranged with bus casing, and the end of the small bus of branch connects contact box, the touching Static contact is provided in head cartridge, one end of the contact box is located in the bus-bar room, and the other end runs through the first partition position In being provided with current transformer on the breaker chamber, the first partition of the bus-bar room bottom end, it is provided in the cable vault Arrester, cable and earthing switch, the copper bar bus line of the contact box output are taken shelter from the thunder after passing through the current transformer with described Device is connected with earthing switch, and circuit breaker cart is provided in the breaker chamber, is provided with two above the circuit breaker cart Secondary plug, the bottom end of the breaker chamber are provided with third partition, are arranged in the shell positioned at the lower section of the breaker chamber Have control wire casing, be provided with earthing switch control device above the control wire casing, the earthing switch control device with connect Ground switch electrical connection, the bottom end inner wall of the shell are provided with bottom plate.
2. a kind of high voltage mid-placed cabinet according to claim 1, it is characterised in that: between the bus-bar room and breaker chamber Second partition is provided between first partition.
3. a kind of high voltage mid-placed cabinet according to claim 2, it is characterised in that: be provided with heating dress in institute's breaker chamber It sets.
4. according to a kind of described in any item high voltage mid-placed cabinets of Claims 2 or 3, it is characterised in that: the bus-bar room and open circuit The top of device room is provided with pressure relief device.
5. a kind of high voltage mid-placed cabinet according to claim 4, it is characterised in that: be provided with the main mother of ground connection on the bottom plate Line.
6. a kind of high voltage mid-placed cabinet according to claim 5, it is characterised in that: the first partition is loading and unloading type partition, The second partition is valve, and the third partition is withdrawable partition.
CN201821744205.0U 2018-10-25 2018-10-25 A kind of high voltage mid-placed cabinet Active CN209001458U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821744205.0U CN209001458U (en) 2018-10-25 2018-10-25 A kind of high voltage mid-placed cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821744205.0U CN209001458U (en) 2018-10-25 2018-10-25 A kind of high voltage mid-placed cabinet

Publications (1)

Publication Number Publication Date
CN209001458U true CN209001458U (en) 2019-06-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821744205.0U Active CN209001458U (en) 2018-10-25 2018-10-25 A kind of high voltage mid-placed cabinet

Country Status (1)

Country Link
CN (1) CN209001458U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114362479A (en) * 2021-12-17 2022-04-15 中车永济电机有限公司 Explosion-proof method suitable for locomotive converter cabinet body

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114362479A (en) * 2021-12-17 2022-04-15 中车永济电机有限公司 Explosion-proof method suitable for locomotive converter cabinet body

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