CN208423507U - A kind of power distribution cabinet with novel bus frame apparatus - Google Patents

Abstract

The utility model discloses a kind of power distribution cabinets with novel bus frame apparatus, including cabinet body and controller, the side of the cabinet body is hinged with cabinet door, and interlocking switch is installed in cabinet door, the front end face of the cabinet door is provided with two groups of ammeters, and ammeter has been respectively arranged below start button and close button, the controller is mounted on the inside of cabinet body, and controller and ammeter, start button, close button is electrically connected, the side of the cavity internal controller of the cabinet body is provided with main disconnecting switch, and the lower section of main disconnecting switch is equipped with the bus frame that fixed bus is isolated.A kind of power distribution cabinet with novel bus frame apparatus described in the utility model; damage of the thunder and lightning to distribution line can be effectively prevented by the lightning arrester of setting; it ensure that the normal work of its electric elements inside; it can be simultaneously that personnel or tool accidentally touch bus and lead to line short to avoid maintenance, protect the safety of personnel.

Description

A kind of power distribution cabinet with novel bus frame apparatus

Technical field

The utility model relates to electrical equipment, in particular to a kind of power distribution cabinet with novel bus frame apparatus.

Background technique

Low-voltage electrical apparatus in distribution box is by groups such as fuse, contactor, residual current action protector, capacitor and gauge tables At.Power distribution cabinet usually all runs work outdoors, is often influenced by thunderstorm weather lightning stroke, not only route is easy to cause to jump Lock and there is large-area power-cuts, influence industrial and agricultural production and the household electricity of the people, or even can also personnel by crisis to route With the safety of livestock, meanwhile, when power distribution cabinet needs to be serviced or overhauls, sometimes the major loop of power distribution cabinet is can not to stop Electricity, personnel would be at electriferous state and overhaul, and generating tool or personnel are likely to when personnel are using tool Hand, which touches bus, leads to female short-circuit between conductors, and the safety of such personnel just has very big hidden danger, for this purpose, it is proposed that a kind of tool There is the power distribution cabinet of novel bus frame apparatus.

Utility model content

The main purpose of the utility model is to provide a kind of power distribution cabinets with novel bus frame apparatus, can effectively solve Certainly the problems in background technique.

To achieve the above object, the technical solution that the utility model is taken are as follows:

A kind of power distribution cabinet with novel bus frame apparatus, including cabinet body and controller, the side of the cabinet body are hinged with Cabinet door, and interlocking switch is installed in cabinet door, the front end face of the cabinet door is provided with two groups of ammeters, and the lower section of ammeter point It is not provided with start button and close button, the controller is mounted on the inside of cabinet body, and controller is pressed with ammeter, starting Button, close button are electrically connected, and the side of the cavity internal controller of the cabinet body is provided with main disconnecting switch, and master keeps apart The lower section of pass is equipped with the bus frame that fixed bus is isolated, and the bus frame includes No.1 bus frame and No. two bus frames, and No.1 Bus frame and No. two bus frames are fixed on the cavity rear wall of cabinet body by stay bolt, the No.1 bus frame and No. two bus frames Between groove form bus card slot, the bus access load copper bar of the main disconnecting switch output end connection, and load copper bar The intermediate position of cavity is fixed on by copper bar fixed plate, the output end of the load copper bar connects shunt circuitbreaker, and branch The input terminal of the output end connection contactor of breaker, the side of the cabinet body is equipped with lightning arrester, and lightning arrester includes Guide rod and lightning rod, the upper end of the guide rod passes through the through-hole that cabinet body top opens up, and the upper end of guide rod is provided with nut, described Lightning rod includes vertical needle and several eedles on vertical needle, and the bottom end of the vertical needle is equipped with the outer spiral shell matched with nut Line.

Preferably, the length of the eedles is sequentially increased from top to bottom, and the surface of lightning rod is zinc-plated.

Preferably, the two-phase direct current in low-voltage circuit that the power supply of the controller is controlled by contactor provides.

Preferably, the ground line of the interior of the cabinet is connect with guide rod.

Preferably, the upper and lower ends of the controller are provided with bolt hole, and controller and bus frame are all made of bolt It is fixedly mounted on the rear wall of cabinet body.

Compared with prior art, the utility model has the following beneficial effects: the distribution with novel bus frame apparatus Cabinet three buses in route can be effectively isolated by the bus frame of the output end setting in main disconnecting switch It is fixed, ensured the electric clearance between phase line, also largely contact of the personnel with phase line has been isolated, ensured personnel Safety when maintenance is provided with lightning arrester in the side of power distribution cabinet, power distribution cabinet can be made when thunderstorm weather is by being struck by lightning, will Electric current rapidly imports the earth, can effectively prevent damage of the thunder and lightning to distribution line, reduces thunder and lightning to the harm of distribution line To minimum point.

Detailed description of the invention

Fig. 1 is a kind of overall structure diagram of the power distribution cabinet with novel bus frame apparatus of the utility model；

Fig. 2 is a kind of external structure schematic diagram of the power distribution cabinet with novel bus frame apparatus of the utility model；

Fig. 3 is a kind of structure chart of the lightning rod of the power distribution cabinet with novel bus frame apparatus of the utility model；

Fig. 4 is a kind of structural schematic diagram of the bus frame of the power distribution cabinet with novel bus frame apparatus of the utility model.

In figure: 1, cabinet body；2, cabinet door；3, interlocking switch；4, main disconnecting switch；5, bus frame；6, controller；7, supported copper Row；8, copper bar fixed plate；9, shunt circuitbreaker；10, contactor；11, lightning rod；12, start button；13, close button；14, Ammeter；15, lightning arrester；16, guide rod；17, nut；18, eedles；19, needle is found；20, No.1 bus frame；21, No. two buses Frame；22, stay bolt；23, bus card slot.

Specific embodiment

To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below In conjunction with specific embodiment, the utility model is further described.

As shown in Figs 1-4, a kind of power distribution cabinet with novel bus frame apparatus, including cabinet body 1 and controller 6, cabinet body 1 Side is hinged with cabinet door 2, and interlocking switch 3 is equipped in cabinet door 2, and the front end face of cabinet door 2 is provided with two groups of ammeters 14, and electricity Flow table 14 has been respectively arranged below start button 12 and close button 13, and controller 6 is mounted on the inside of cabinet body 1, and controls Device 6 is electrically connected with ammeter 14, start button 12, close button 13, the side setting of the cavity internal controller 6 of cabinet body 1 There is main disconnecting switch 4, and the lower section of main disconnecting switch 4 is equipped with the bus frame 5 that fixed bus is isolated, bus frame 5 includes that No.1 is female Wire frame 20 and No. two bus frames 21, and No.1 bus frame 20 and No. two bus frames 21 are fixed on the chamber of cabinet body 1 by stay bolt 22 On body rear wall, the groove between No.1 bus frame 20 and No. two bus frames 21 forms bus card slot 23, main 4 output end of disconnecting switch The bus access load copper bar 7 of connection, and load the intermediate position that copper bar 7 is fixed on cavity by copper bar fixed plate 8, supported copper The output end of row 7 connects shunt circuitbreaker 9, and the input terminal of the output end connection contactor 10 of shunt circuitbreaker 9, cabinet body 1 Side is equipped with lightning arrester 15, and lightning arrester 15 includes guide rod 16 and lightning rod 11, and the upper end of guide rod 16 is pushed up across cabinet body 1 The through-hole opened up is held, and the upper end of guide rod 16 is provided with nut 17, lightning rod 11 includes founding needle 19 and on vertical needle 19 The bottom end of several eedles 18, vertical needle 19 is equipped with the external screw thread matched with nut 17；

The length of eedles 18 is sequentially increased from top to bottom, and the surface of lightning rod 11 is zinc-plated；The power supply of controller 6 is by contacting The two-phase direct current in low-voltage circuit that device 10 controls provides；Ground line inside cabinet body 1 is connect with guide rod 16；Controller 6 Upper and lower ends are provided with bolt hole, and controller 6 and bus frame 5 are all made of the rear wall that bolt fixing method is mounted on cabinet body 1 On.

It should be noted that the utility model be a kind of power distribution cabinet with novel bus frame apparatus, put into before use, Three-phase power line is first connected to the input terminal of main disconnecting switch 4 according to electric operation regulation by personnel, is then checked inside cabinet body 1 Whether the electric wire connection between each electric components is firm, if meet National Electrical standard, after the completion of preliminary preparation, and people Member shuts cabinet door 2, and checks whether interlocking switch 3 is intact and work, and operating personnel wears the guide rod 16 of lightning arrester 15 The lower end crossed the through-hole at 1 top of cabinet body and the bottom end of guide rod 16 is made to touch cabinet body 1, then personnel lead to the lower end of lightning rod 11 Threaded connection is crossed to rotate clockwise and be fixed on lightning rod 11 on the nut 17 of 16 upper end of guide rod, inside traditional power distribution cabinet it is main every Leaving the lower section for closing 4 does not have bus frame 5, and operating personnel needs will be by No.1 bus frame 20 and No. two bus frames by stay bolt 22 The bus frame 5 of 21 compositions is fixed on the inner chamber body rear wall of cabinet body 1, makes bus frame 5 that three-phase power line is carried out isolation fixation, female Wire frame 5 can ensure that the safety of operating personnel presses start button 12, main disconnecting switch 4 is closed when personnel carry out energizing test It closes, electric current enters load copper bar 7 by main disconnecting switch 4, and then personnel can carry out energization examination to a variety of different loads It tests, presses corresponding shunt circuitbreaker 9 respectively, then by each corresponding contactor 10 to the load in low tension loop It is controlled, when power distribution cabinet is by thunderstorm weather, lightning current can rapidly be imported into the earth by lightning arrester 15, energy It effectively prevent thunder and lightning to bottom out thunder and lightning to the harm of distribution line the damage of distribution line.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model Claimed range is defined by the appending claims and its equivalent thereof.

Claims (5)

1. a kind of power distribution cabinet with novel bus frame apparatus, including cabinet body (1) and controller (6), it is characterised in that: the cabinet The side of body (1) is hinged with cabinet door (2), and interlocking switch (3) are equipped in cabinet door (2), the front end face setting of the cabinet door (2) There are two groups of ammeters (14), and ammeter (14) has been respectively arranged below start button (12) and close button (13), it is described Controller (6) is mounted on the inside of cabinet body (1), and controller (6) and ammeter (14), start button (12), close button (13) it is electrically connected, the side of the cavity internal controller (6) of the cabinet body (1) is provided with main disconnecting switch (4), and main isolation The lower section for switching (4) is equipped with the bus frame (5) that fixed bus is isolated, and the bus frame (5) includes No.1 bus frame (20) and two Number bus frame (21), and No.1 bus frame (20) and No. two bus frames (21) are fixed on the chamber of cabinet body (1) by stay bolt (22) On body rear wall, the groove between the No.1 bus frame (20) and No. two bus frames (21) forms bus card slot (23), the master Bus access load copper bar (7) of disconnecting switch (4) output end connection, and it is fixed by copper bar fixed plate (8) to load copper bar (7) Output end at the intermediate position of cavity, load copper bar (7) connects shunt circuitbreaker (9), and shunt circuitbreaker (9) is defeated Outlet connects the input terminal of contactor (10), and the side of the cabinet body (1) is equipped with lightning arrester (15), and lightning arrester (15) Including guide rod (16) and lightning rod (11), the upper end of the guide rod (16) passes through the through-hole that cabinet body (1) top opens up, and guide rod (16) upper end is provided with nut (17), and the lightning rod (11) includes several for standing needle (19) and being set on vertical needle (19) Eedles (18), the bottom end of the vertical needle (19) are equipped with the external screw thread matched with nut (17).

2. a kind of power distribution cabinet with novel bus frame apparatus according to claim 1, it is characterised in that: the eedles (18) length is sequentially increased from top to bottom, and the surface of lightning rod (11) is zinc-plated.

3. a kind of power distribution cabinet with novel bus frame apparatus according to claim 1, it is characterised in that: the controller (6) the two-phase direct current in low-voltage circuit that power supply is controlled by contactor (10) provides.

4. a kind of power distribution cabinet with novel bus frame apparatus according to claim 1, it is characterised in that: the cabinet body (1) internal ground line is connect with guide rod (16).

5. a kind of power distribution cabinet with novel bus frame apparatus according to claim 1, it is characterised in that: the controller (6) upper and lower ends are provided with bolt hole, and controller (6) and bus frame (5) are all made of bolt fixing method and are mounted on cabinet On the rear wall of body (1).