CN2528133Y

CN2528133Y - Fixed indoor metal enclosed switch equipment

Info

Publication number: CN2528133Y
Application number: CN 01255174
Authority: CN
Inventors: 朱佩龙; 呙振飞
Original assignee: TIANAN (GROUP) CO Ltd NINGBO CITY
Current assignee: TIANAN (GROUP) CO Ltd NINGBO CITY
Priority date: 2001-12-06
Filing date: 2001-12-06
Publication date: 2002-12-25
Anticipated expiration: 2011-12-06

Abstract

A fixed indoor metal closed switching equipment comprises a cabinet and a door in mutual connection. The inside of the cabinet is provided with a relay chamber disposed on the upper front part of the cabinet and a cable chamber of the lower part that are independently spaced. An upper deconnector, a circuit breaker and a transformer and the lower deconnector installed inside the cabinet are linked in sequence, which is characterized in that the inside of the cabinet is also provided with a bus chamber disposed on the upper rear part of the cabinet and a circuit breaker chamber of the middle part which are independently spaced. The inside of the circuit breaker chamber is also provided with a handcart in which the above circuit breaker and the transformer are disposed laterally. The above upper and lower deconnectors are respectively installed laterally in the bus chamber and the cable chamber. The cabinet door consists of the upper, middle and lower doors, wherein the lower side of the middle door is hinged with the cabinet door, so that the middle door can be opened top-down. Compared with the prior art, the utility model has the advantages of reliable electrical connection, convenient maintenance or replacement of circuit breaker with compact structure and small size. At the same time, because the utility model can be installed against wall, the area of distribution substation can be reduced. Therefore, not only the investment is reduced, but also the resources are saved.

Description

Fixed indoor metal enclosed switchgear

Technical field

The utility model relates to the switching device that a kind of power supply or distribution are used, and especially refers to accept and distribute in a kind of 10KV of being applicable to electrical network the indoor fixed switchgear of electric energy.

Background technology

The electric power complete set of equipments of 10KV grade is common on the existing market two kinds of forms, and a kind of is fixed switchgear, and the product of this switchgear occupation rate maximum on market has: model is GG-1A (F) and XGN series; Another kind is the withdraw-type switchgear, mainly containing model on the existing market is the product of JYN series and KYN series, the common feature of above-mentioned two kinds of switchgears is that the primary element in the cabinet all adopts positive mode of arranging, promptly three-phase current A, B, the putting in order from the front of C phase of primary elements such as Nei Bu isolating switch, circuit breaker, instrument transformer are seen as from left to right, the former has, and electrical connection is reliable, advantage of simple structure, but it is, very inconvenient to maintenance or replacing circuit breaker owing to circuit breaker is fixed on the cabinet; And the latter is owing to be installed in circuit breaker on the handcart, have that volume is little, compact conformation, maintenance or change circuit breaker advantage easily, but because of the connector on the handcart is invisible when operating, exist and be electrically connected insecure possibility, and complex structure, the processing request of the propulsive mechanism of rival car is higher; In addition, because above-mentioned switchgear is at stube cable or safeguard circuit breaker and can not carry out fully or easily in the front of cabinet during work such as instrument transformer, because the people will be around operating behind cabinet, certainly will cause switchgear can not lean on wall to install and cause the expansion of power distribution room area, increase user's capital expenditure thus, and caused the waste of resource.

Summary of the invention

Technical problem to be solved in the utility model is the shortcoming that overcomes above-mentioned two kinds of switchgears, provide a kind of not only be electrically connected reliable, simple in structure, but also safeguard or change side-mounted easily, the removable metal enclosed floatless switch equipment that moves of element.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: fixed indoor metal enclosed switchgear comprises interconnected cabinet and cabinet door, in cabinet, be provided with the relay bungalow that is positioned at the cabinet upper forepart of unique spacer and the cable vault of bottom, be installed in the last isolating switch in the cabinet, circuit breaker, instrument transformer links to each other successively with following isolating switch, it is characterized in that also being provided with in the cabinet bus-bar room that is positioned at rear portion on the cabinet of unique spacer and the breaker chamber at middle part, be provided with a handcart in the described breaker chamber, above-mentioned circuit breaker and instrument transformer side direction are placed on the handcart, on above-mentioned, following isolating switch side respectively is contained in bus-bar room and the cable vault, in described breaker chamber, also be equipped with can deciliter isolating switch operating mechanism and interlock; Described cabinet door comprises the upper, middle and lower door, and wherein middle student's side and cabinet hinge joint also are provided with the handle hole of operating upper and lower isolating switch and circuit breaker on middle door.

Guide rail for the handcart turnover also is installed in the described breaker chamber.

The side of door is provided with a connecting rod of an end and its hinge joint in described, and the other end on the connecting rod snaps on the cabinet side.

Be fixed with guide rail in described on the door inner surface for the handcart turnover.

Described upper and lower isolating switch is the wall-penetrating type isolating switch.

Compared with prior art, advantage of the present utility model is: because all side-mounted layout of primary element in the cabinet, and circuit breaker is a middle, thereby the attendant can utilize the lateral space of circuit breaker can dismantle or install the connection busbar easily before cabinet, open the platform that shifts out that promptly can be used as handcart after setting level at Zhong Men, can in cabinet, move to outside the cabinet easily handcart, moreover, because the stube cable and the work of circuit breaker and current transformer of safeguarding are all opened the door in the front of cabinet and can be carried out, so this switch can lean on wall to install fully, need not reserve space for maintenance behind switch cubicle, therefore the utlity model has and be electrically connected reliable and safeguard or to change circuit breaker convenient, compact conformation, the advantage that volume is little because reliable wall is installed, can be dwindled the area of power distribution room simultaneously, both can reduce customer investment, also can economize on resources.

Description of drawings

Fig. 1 is the utility model example structure front schematic view;

Fig. 2 is the utility model embodiment internal placement front schematic view (behind dismantle cabinet door and the relay chamber);

Fig. 3 is the side schematic view (behind the side seal board of dismantling) of Fig. 1;

Fig. 4 is that handcart shown in Figure 3 is pulled out the outer schematic diagram of cabinet.

Embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

Referring to Fig. 1, present embodiment comprises by steel plate and bends cabinet and the cabinet door that is assembled into, wherein the cabinet door comprises to the doorstep 3, middle door 2 and Xiamen 1, to the doorstep the button 22 and the change over switch 21 of control circuit breaker 7 usefulness is being installed on 3 and measuring network system voltage or instrument 20 that electric current is used, middle door 2 downsides adopt hinge to be connected with cabinet, door 2 is opened from top to bottom in making, in door 2 outer upside be equipped be convenient to operate in door 2 handle 24 and can observe the observation window 23 of situations in the cabinet inner breaker chamber 8, on middle door 2, also be provided with handle hole 25, in operation, following isolating switch 6,16 deciliter, the Xiamen 1 of cabinet also is equipped with the handle 28 of being convenient to operate Xiamen 1, the primary line simulation board 29 of the observation window 27 of 16 deciliters situations of isolating switch and present embodiment under observing in the cabinet;

Fig. 2 is the front diagrammatic sketch of present embodiment behind dismantle cabinet door and relay chamber 30, be separated into the bus-bar room that is positioned at rear portion on the cabinet 5 of unique spacer at the cabinet inner-use clapboard, the breaker chamber 8 at middle part and the cable vault 17 of bottom, left side in breaker chamber 8 is provided with the handcart that wheel 14 is housed, the circuit breaker 7 that side direction is placed is installed on the left side on the chassis 13 of handcart, be circuit breaker 7 three-phase current A, B, C is after the front is seen as, in, the preceding arrangement, side is contained in the current transformer 12 on 13 right sides, handcart chassis, its end of incoming cables links to each other with the following pile crown of circuit breaker 7 by connecting busbar 9, the leading-out terminal of current transformer 12 links to each other with the end of incoming cables that side is contained in the following isolating switch 16 on the lower clapboard by connecting busbar 11, and the leading-out terminal of following isolating switch 16 is by supporting that porcelain vase links to each other with cable; The last pile crown of above-mentioned circuit breaker 7 links to each other with the leading-out terminal that side is contained in the last isolating switch 6 on the upper spacer by connecting busbar 10, the end of incoming cables of last isolating switch 6 is with after main bus bar 4 is connected, be fixed on the wall bushing of bus-bar room 5 sides, above-mentioned upper and lower isolating switch 6,16 is the wall-penetrating type isolating switch; The operating mechanism of circuit breaker 7 and circuit breaker 7 are integral, on middle door 2, be provided with the panel 26 of operating breaker 7 with circuit breaker 7 operating mechanism corresponding positions, so that deciliter circuit breaker 7, in described interruption chambe 8, also be equipped with can deciliter isolating switch operating mechanism 18 and with its all-in-one-piece interlock, to reach " five anti-the requirements " in the switchgear.

For handcart can easily move, the guide rail 15 for the handcart turnover can be installed in breaker chamber 8 in breaker chamber 8.

In order to strengthen can being provided with an end with its bearing pin be connected or screw rod connect a connecting rod 19 on the side of door 2 to shift out the middle door 2 of platform after opening as handcart in described, the other end on the connecting rod 19 snaps on the cabinet side.

Also be fixed with the guide rail (not shown) that passes in and out for handcart at above-mentioned middle door 2 inner surfaces, so that handcart moves on the middle door 2 as platform.

Present embodiment is when assembling, other products on request side be contained in separately on the corresponding position, circuit breaker 7 summation current transformers 12 sides are contained on the handcart, then handcart is pushed in the breaker chamber 8, installation personnel utilizes the lateral space of circuit breaker 7 to install connection busbar 10,11 (see figure 3)s before cabinet.

When in use needing maintenance or replacing circuit breaker 7, open upper and lower isolating switch 6,16 and middle door 2 on request, the attendant utilizes the lateral space dismounting of circuit breaker 7 to connect busbar 10,11 before cabinet, then connecting rod 19 is snapped on the cabinet side, door 2 platforms of setting level as handcart that shift out in making, handcart is pulled to (see figure 4) on this platform, and the attendant just can work.

Protection range of the present utility model is not restricted to the described embodiments; even the organization plan to embodiment is done some change; employing is welded as cabinet; or upper and lower isolating switch is selected different models for use; door is as the platform that shifts out of circuit breaker in cancelling for another example; shift out handcart and use the delivery dolly instead, such scheme still belongs to protection scope of the present invention.

Claims

1. fixed indoor metal enclosed switchgear, it comprises interconnected cabinet and cabinet door, in cabinet, be provided with the relay bungalow that is positioned at the cabinet upper forepart (30) of unique spacer and the cable vault (17) of bottom, be installed in the last isolating switch (6) in the cabinet, circuit breaker (7), current transformer (12) links to each other successively with following isolating switch (16), it is characterized in that also being provided with in the cabinet bus-bar room that is positioned at rear portion on the cabinet (5) of unique spacer and the breaker chamber (8) at middle part, described breaker chamber is provided with a handcart in (8), above-mentioned circuit breaker (7) summation current transformer (12) side direction is placed on the handcart, on above-mentioned, following isolating switch (6), (16) side is contained in bus-bar room (5) and cable vault (17) respectively, in described breaker chamber (8), also be equipped with can deciliter isolating switch operating mechanism (18) and interlock; Described cabinet door comprises (3), middle door (2) and Xiamen (1) to the doorstep, and wherein middle door (2) downside and cabinet link, and also are provided with the handle hole of operation upper and lower isolating switch (6), (16) and circuit breaker (7) on the middle door (2).

2. fixed indoor metal enclosed switchgear according to claim 1 is characterized in that also being equipped with in the described breaker chamber (8) guide rail (15) for the handcart turnover.

3. fixed indoor metal enclosed switchgear according to claim 1 is characterized in that the side of described middle door (2) is provided with a connecting rod (19) of an end and its hinge joint, and the other end of connecting rod (19) snaps on the cabinet side.

4. fixed indoor metal enclosed switchgear according to claim 1 is characterized in that being fixed with on described middle door (2) inner surface the guide rail for the handcart turnover.

5. fixed indoor metal enclosed switchgear according to claim 1 is characterized in that described upper and lower isolating switch (6), (16) are the wall-penetrating type isolating switch.