Transformer substation uses new-type looped netowrk cabinet
Technical Field
The utility model relates to a looped netowrk cabinet technical field, concretely relates to transformer substation is with new-type looped netowrk cabinet.
Background
In order to increase the reliability of the power supply, the user is provided with power from two directions, usually by connecting the power supply networks in a ring. This power supply mode is referred to as ring network power supply for short. In an alternating current 10KV power distribution system of industrial and mining enterprises, residential districts, ports, high-rise buildings and the like, a high-voltage loop is usually controlled by a load switch or a vacuum contactor and is provided with a high-voltage fuse protector for protection because of small load capacity. The system usually adopts the ring network to supply power, and the high tension switchgear that uses is generally habitually called looped netowrk cabinet.
The ring main unit is a group of electric equipment (high-voltage switch equipment) which is arranged in a metal or nonmetal insulating cabinet body or is made into an assembled interval ring main power supply unit, and the core part of the ring main unit adopts a load switch and a fuse. The transformer substation is widely applied to distribution stations and box-type substations of load centers of urban residential districts, high-rise buildings, large public buildings, factory enterprises and the like.
The pressure release channel is the important component of looped netowrk cabinet, and conventional pressure release channel is pipeline or pore structure, can reach the pressure release effect, can control the pressure release direction again, however, its pressure release area is less relatively, when the accident explodes, still can cause the destruction to inner structure because of the pressure release area undersize. Although the problem can be alleviated by increasing the pressure relief area, the possibility that the pressure relief window causes injury to surrounding personnel at the moment of explosion is correspondingly increased along with the increase of the pressure relief area, and certain potential safety hazards exist. In addition, the conventional ring main unit has movable parts such as a pressure relief window, so that the overall stability and the assembly complexity are relatively high.
Disclosure of Invention
The utility model discloses aim at to prior art's technical defect, provide a transformer substation with newfashioned looped netowrk cabinet to solve present, when the looped netowrk cabinet adopted large tracts of land pressure release window, the explosion led to the fact the technical problem of injury to personnel on every side easily in the twinkling of an eye pressure release window.
The utility model discloses another technical problem who solves is, how to further promote the structural stability of looped netowrk cabinet and simplify its assembly complexity.
In order to realize the technical purpose, the utility model adopts the following technical scheme:
a novel ring main unit for a transformer substation comprises a cabinet body, a bus chamber, a cable chamber, a wire passing hole, a bracket, a wire bunching hole, an instrument chamber, a door body, a mounting frame, a mounting hole, a first pressure relief window, a hinge, an inner buckle and a slit, wherein the internal space of the cabinet body is divided into a bus chamber positioned at the upper part and a cable chamber positioned at the lower part, the upper end of the bus chamber is provided with a wire passing hole, the upper end of the bus chamber is fixedly connected with a bracket, the bracket is provided with a wire harness hole, the front end of the bus chamber is provided with an instrument chamber, the front end of the cable chamber is hinged with a door body, the inner wall of the cable chamber is fixedly connected with a mounting frame, the mounting frame is provided with a mounting hole, a window is arranged on the back plate of the bus chamber, the first pressure relief window is hinged on the upper edge of the window through a hinge, the lower end of the first pressure relief window is provided with an internal discount which is inserted into the lower edge of the window, and the first pressure relief window is provided with a plurality of slits.
Preferably, the cable chamber further comprises a second pressure relief window and a framework, wherein another window is formed in the back plate of the cable chamber, the second pressure relief window is fixedly connected to the window, and the framework is fixedly connected to the position, located on the inner side of the second pressure relief window, in the window.
Preferably, the cable chamber further comprises a barrier strip, the barrier strip is fixedly connected to the edge of the back side of the cable chamber, and the barrier strip is pressed against the back plate of the cable chamber.
Preferably, the electric cable cabinet further comprises jacks and raised heads, wherein the back plate of the cable chamber is provided with a plurality of jacks, the cabinet body is provided with a plurality of raised heads, and the jacks and the raised heads are mutually embedded.
Preferably, a box door is hinged to the front end of the instrument room, and a plurality of instruments in the instrument room are arranged on the box door.
In the above technical solution, the cabinet body is a main structure of the utility model, and is used for bearing, accommodating, protecting and the like; the bus chamber and the cable chamber are conventional partitions in the cabinet body and are respectively used for connecting a bus and accommodating a cable; the wire passing hole is used for the wire to pass in and out the utility model; the wire bunching hole on the bracket is used for the penetration of the cable, thereby playing the role of gathering and centralizing the cable which enters and exits the utility model and relieving the disorder of the cable; the instrument room is used for arranging conventional electric elements such as an ammeter, a circuit breaker and the like; the door body is used for opening or closing the cable chamber; the mounting frame and the mounting holes on the mounting frame are used for mounting components such as a fuse, a lightning arrester, a voltage transformer, a current transformer, a grounding switch and the like; the window is used for releasing pressure; the upper end of the first pressure relief window is hinged with the window through a hinge, and the lower end of the first pressure relief window is inserted into the window through an internal discount, so that the first pressure relief window is fixed at the window in daily use to seal the window, when the pressure relief phenomenon occurs, the internal discount is broken open, the first pressure relief window turns upwards along with the hinge, high-pressure gas is discharged, and the first pressure relief window cannot be completely separated due to the existence of the hinge, so that surrounding personnel cannot be injured due to the flying-out of the first pressure relief window; the slit is used for playing a role in heat dissipation in daily use.
In preferred technical scheme, can set up transparent material's second pressure release window, can regard as the observation window to use when playing the sealing effect, simultaneously, can add the skeleton in second pressure release window inboard for play certain structure additional strengthening. In another preferred technical scheme, the baffle strip can be additionally arranged on the rear side edge of the cabinet body, and the baffle strip is pressed on the rear side of the back plate of the cable chamber, so that the back plate of the cable chamber can be fixed to a certain extent. In addition, the back plate of the cable chamber and the cabinet body can be mutually embedded by utilizing the inserting holes and the raised heads, and the positioning and aligning effects can be realized in the assembling process.
The utility model provides a transformer substation is with new-type looped netowrk cabinet. This technical scheme has concentrated the improvement to the mounting structure of pressure release window, has avoided the pressure release window problem of hurting the people that flies out under the prerequisite of guaranteeing effective pressure release. Specifically, the utility model discloses abandoned fixed pressure release window, articulated on the edge on the window with its upper end, the discount is pegged graft with the window in the lower extreme utilizes, and based on this kind of structure, pressure release window can fix and play the sealing effect on the window in the daily operation, and when taking place the pressure release phenomenon, the pressure release window turns over immediately along with the release of interior discount, makes the pressure release passageway open, and the pressure release window receives the tractive of hinge and can not fly out to wounded's problem has been avoided. Furthermore, the utility model discloses set up the support that has the pencil hole on the generating line room top, can play the effect of gathering together to the cable, help alleviating the scattered problem of cable. Additionally, the utility model discloses can utilize jack and the mutual gomphosis of plush copper between the cabinet body and backplate to play the positioning action when the assembly. The utility model discloses promoted the security of looped netowrk cabinet to a certain extent, had good popularization prospect.
Drawings
Fig. 1 is a perspective view of the present invention as a whole from one viewing angle;
fig. 2 is a perspective view of the present invention as a whole from another perspective;
FIG. 3 is a partial perspective view of the barrier strip of the present invention;
fig. 4 is a partial perspective view of the first pressure relief window in the present invention;
in the figure:
1. cabinet body 2, bus chamber 3, cable chamber 4, cross the line hole
5. Support 6, bunch hole 7, instrument room 8, door body
9. Mounting bracket 10, mounting hole 11, first pressure release window 12, window
13. Hinge 14, inner discount 15, slit 16, second pressure relief window
17. Framework 18, barrier strip 19, jack 20 and raised head.
Detailed Description
The following will describe in detail specific embodiments of the present invention. Well-known structures or functions may not be described in detail in the following embodiments in order to avoid unnecessarily obscuring the details. Approximating language, as used herein in the following examples, may be applied to identify quantitative representations that could permissibly vary in number without resulting in a change in the basic function. Unless defined otherwise, technical and scientific terms used in the following examples have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
Example 1
A novel ring main unit for a transformer substation is disclosed, as shown in figures 1-4, and comprises a cabinet body 1, a bus bar chamber 2, a cable chamber 3, a wire passing hole 4, a support 5, a wire bunching hole 6, an instrument chamber 7, a door body 8, a mounting frame 9, a mounting hole 10, a first pressure relief window 11, a window 12, a hinge 13, an inner discount 14 and a slit 15, wherein the inner space of the cabinet body 1 is divided into the bus bar chamber 2 positioned above and the cable chamber 3 positioned below, the wire passing hole 4 is arranged at the upper end of the bus bar chamber 2, the support 5 is fixedly connected with the upper end of the bus bar chamber 2, the wire bunching hole 6 is arranged on the support 5, the instrument chamber 7 is arranged at the front end of the bus bar chamber 2, the door body 8 is hinged at the front end of the cable chamber 3, the mounting frame 9 is fixedly connected with the inner wall of the cable chamber 3, the mounting frame 9 is provided with the mounting hole 10, a window 12 is arranged on the back plate of the bus bar chamber 2, the first pressure relief window 11 is hinged with the upper edge of the window 12 through the hinge 13, the lower end of the first pressure relief window 11 is provided with an inner discount 14, the inner discount 14 is inserted into the lower edge of the window 12, and the first pressure relief window 11 is provided with a plurality of slits 15.
The ring main unit has the following structural characteristics: the cabinet body 1 is the main structure of the utility model, and is used for bearing, containing, protecting and the like; the bus chamber 2 and the cable chamber 3 are conventional partitions inside the cabinet body 1 and are respectively used for connecting buses and accommodating cables; the wire through hole 4 is used for the cable to pass in and out the utility model; the wire-bundling holes 6 on the bracket 5 are used for the penetration of cables, thereby playing a role in gathering and centralizing the cables entering and exiting the utility model and relieving the disorder of the cables; the instrument room 7 is used for arranging conventional electric elements such as an ammeter, a circuit breaker and the like; the door body 8 is used for opening or closing the cable chamber 3; the mounting frame 9 and the mounting holes 10 on the mounting frame are used for mounting components such as fuses, lightning arresters, voltage transformers, current transformers, grounding switches and the like; the window 12 is used for releasing pressure; the upper end of the first pressure relief window 11 is hinged with the window 12 through a hinge 13, and the lower end is inserted with the window 12 through an inner discount 14, so that the first pressure relief window 11 is fixed at the window 12 in daily use to seal the window 12, when the pressure relief phenomenon occurs, the inner discount 14 is broken open, the first pressure relief window 11 is turned upwards along with the hinge, high-pressure gas is discharged, and the first pressure relief window 11 cannot be completely separated due to the existence of the hinge 13, so that surrounding personnel cannot be injured due to the flying-out of the first pressure relief window 11; the slits 15 are used for heat dissipation in daily use.
Example 2
A novel ring main unit for a transformer substation is disclosed, as shown in figures 1-4, and comprises a cabinet body 1, a bus bar chamber 2, a cable chamber 3, a wire passing hole 4, a support 5, a wire bunching hole 6, an instrument chamber 7, a door body 8, a mounting frame 9, a mounting hole 10, a first pressure relief window 11, a window 12, a hinge 13, an inner discount 14 and a slit 15, wherein the inner space of the cabinet body 1 is divided into the bus bar chamber 2 positioned above and the cable chamber 3 positioned below, the wire passing hole 4 is arranged at the upper end of the bus bar chamber 2, the support 5 is fixedly connected with the upper end of the bus bar chamber 2, the wire bunching hole 6 is arranged on the support 5, the instrument chamber 7 is arranged at the front end of the bus bar chamber 2, the door body 8 is hinged at the front end of the cable chamber 3, the mounting frame 9 is fixedly connected with the inner wall of the cable chamber 3, the mounting frame 9 is provided with the mounting hole 10, a window 12 is arranged on the back plate of the bus bar chamber 2, the first pressure relief window 11 is hinged with the upper edge of the window 12 through the hinge 13, the lower end of the first pressure relief window 11 is provided with an inner discount 14, the inner discount 14 is inserted into the lower edge of the window 12, and the first pressure relief window 11 is provided with a plurality of slits 15.
Meanwhile, the cable chamber further comprises a second pressure relief window 16 and a framework 17, wherein another window 12 is formed in the back plate of the cable chamber 3, the second pressure relief window 16 is fixedly connected to the window 12, and the framework 17 is fixedly connected to the position, located on the inner side of the second pressure relief window 16, in the window 12. The cable chamber is characterized by further comprising a blocking strip 18, wherein the blocking strip 18 is fixedly connected to the edge of the back side of the cable chamber 3, and the blocking strip 18 is pressed against the back plate of the cable chamber 3. The cabinet body 1 is provided with a plurality of raised heads 20, and the plurality of jacks 19 and the plurality of raised heads 20 are mutually embedded. The front end of the instrument room 7 is hinged with a box door, and a plurality of instruments in the instrument room 7 are arranged on the box door. In above technical scheme, set up transparent material's second pressure release window 16, can regard as the observation window to use when playing the sealing effect, simultaneously, add skeleton 17 in second pressure release window 16 inboard for play certain structure reinforcing effect. Meanwhile, the baffle strip 18 is additionally arranged on the rear side edge of the cabinet body 1, and the baffle strip 18 is used for jacking and pressing the rear side of the back plate of the cable chamber 3, so that the back plate of the cable chamber 3 can be fixed to a certain extent. In addition, the back plate of the cable chamber 3 is embedded with the cabinet body 1 by the insertion hole 19 and the boss 20, so that the positioning and the alignment can be realized in the assembling process.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention, and is not intended to limit the present invention. Any modification, equivalent replacement, and improvement made within the scope of the present invention should be included in the protection scope of the present invention.