Buried transformer substation
Technical Field
The utility model relates to the technical field of substations, in particular to a buried substation.
Background
The buried transformer substation is characterized in that complete equipment of the transformer substation is fully installed in a fully-sealed box body, the box-type transformer substation is large in size and needs to occupy a certain space, and in places with intense land or severe environment such as parks, residential areas and industrial areas, the whole box-type transformer substation is arranged below a ground level to form the buried transformer substation, so that the ground above the transformer substation can be used, the ground space can be effectively saved, the land utilization rate is improved, meanwhile, the design is not required to be attractive, the possibility of damaging the shell box body of the transformer substation is low, the electricity safety can be improved, and in the using process of the buried transformer substation, a large amount of heat can be generated during operation due to the fact that the device is installed in the box body, the requirement on ventilation and cooling of the inside of the buried transformer substation can be increased, and meanwhile, periodic maintenance and overhaul are also needed for the inside.
Disclosure of utility model
The utility model aims to provide a buried transformer substation, which aims to solve the problems of inconvenient maintenance and poor ventilation efficiency of the existing buried transformer substation.
The buried transformer substation is characterized by comprising an outer box, wherein an equipment cover is arranged on the outer box, a waterproof baffle is arranged on the surface of the equipment cover, a handle is arranged on the waterproof baffle, a round access cover is further arranged on the outer box, an access ladder stand is arranged below the round access cover, one end of the access ladder stand, which is far away from the round access cover, is connected with a trapezoid table, a water outlet is formed in one side face of the outer box, the water outlet is matched with an inclined face of the trapezoid table, an inner box plate is arranged in the outer box, an access isolation door is arranged on one side face of the inner box plate, the access isolation door is arranged opposite to the access ladder stand, a distribution box is arranged on the side edge of the access isolation door, monitoring equipment is arranged on one side of the inner door frame, a bearing table is arranged on the inner bottom face of the inner box plate, hydraulic equipment is arranged on the bearing table, one end of the hydraulic equipment, which is far away from the bearing table, is connected with a bearing table, and transformer equipment is arranged on the bearing table.
Preferably, the outer box is also provided with a natural wind pipeline and a mechanical wind pipeline, umbrella hat-shaped pipes are arranged on the natural wind pipeline and the mechanical wind pipeline, the natural wind pipeline is communicated with the inner space of the outer box, and the mechanical wind pipeline passes through the inner box plate and is communicated with the inner space of the inner box plate.
Preferably, the length and the width of the bearing table are smaller than the length and the width of the equipment cover, and the length and the width of the hydraulic equipment are smaller than the length and the width of the bearing table.
Preferably, a cable inlet and a cable outlet are formed in one side surface, far away from the water outlet, of the outer box, cables and waterproof fillers are arranged in the cable inlet and the cable outlet, the cables are connected with cable connectors, and one ends, far away from the cables, of the cable connectors are connected to power transformation equipment.
Preferably, the mechanical air duct is connected with a fan, a temperature detector is connected to the fan, and a lighting device is arranged on one side far away from the mechanical air duct.
Preferably, the side wall of the outer box body is provided with a lifting lug.
The utility model has the advantages that the transformer equipment is transported to the bearing table through the equipment well by opening the waterproof baffle plate, the bearing table is parked at a proper position through the hydraulic equipment, a technician can enter the equipment through the overhaul crawling ladder through the round access cover, firstly, the distribution box arranged on the inner box plate is opened, the lighting equipment is started, then, the overhaul isolation door arranged on the inner box plate is opened, the transformer equipment is installed in the equipment, when the equipment operates, the fan is automatically started when the integral temperature of the equipment reaches the temperature set by the temperature detector, and the hot air flow is replaced through the mechanical air pipeline and natural air by the operation of the fan to achieve the effect of cooling.
Drawings
Fig. 1 is a schematic cross-sectional structure of a buried substation according to the present utility model;
fig. 2 is a schematic cross-sectional structure of a buried substation according to the present utility model;
Fig. 3 is a schematic cross-sectional structure of a buried substation according to the present utility model;
Fig. 4 is a schematic cross-sectional structure of a buried substation according to the present utility model.
The device comprises a box 1, a device well 2, a waterproof baffle plate 3, a handle 4, a round access cover 5, a 6, an access ladder 7, a trapezoid table 8, a water outlet 9, an inner box plate 10, an access isolation door 11, a distribution box 12, a monitoring device 13, a lighting device 14, a bearing table 15, a hydraulic device 16, a bearing table 17, a power transformation device 18, a cable 19, a cable inlet and outlet 20, a cable connector 21, a waterproof filler 22, an umbrella-shaped pipe 23, a natural wind pipeline 24, a mechanical wind pipeline 25, a fan 26, a temperature detector 27 and a lifting lug.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, a buried transformer substation, including outer case 1, be provided with equipment well 2 on the outer case 1, equipment well 2 surface is equipped with waterproof baffle 3, be provided with handle 4 on the waterproof baffle 3, still be provided with circular access cover 5 on the outer case 1, circular access cover 5 below is provided with maintenance cat ladder 6, the one end that circular access cover 5 was kept away from to maintenance cat ladder 6 is connected with trapezoidal platform 7, outlet 8 has been seted up to outer case 1 side, outlet 8 and trapezoidal platform 7 inclined plane looks adaptation, the inside inner box board 9 that is equipped with of outer case 1, inner box board 9 side is equipped with maintenance isolation door 10, maintenance isolation door 10 sets up with maintenance cat ladder 6 relatively, maintenance isolation door 10 side is provided with block terminal 11, maintenance isolation door 10 inboard side is equipped with monitoring facilities 12, the interior bottom surface of inner box board 9 is provided with bearing platform 14, be equipped with hydraulic equipment 15 on the bearing platform 14, hydraulic equipment 15 is kept away from the one end of bearing platform 14 and is connected with bearing platform 16, arrange bearing equipment 17 on the transformer platform 16.
Through setting up the equipment well 2 at the box external surface, power conversion equipment 17 gets into inside equipment through equipment well 2, waterproof baffle 3 that equipment well 2 surface set up can effectually keep apart external water and get into inside equipment and damage equipment, the maintenance cat ladder 6 that sets up the circular access cover 5 of outer case 1 surface under can make the technical staff get into equipment inner space through opening circular access cover 5, get into the inner region through opening the access isolation door 10 that sets up on inner box board 9, the monitoring facilities 12 of setting up in access isolation door 10 can monitor groundwater and get into equipment inner region, be convenient for remind the technical staff in time to maintain equipment, the bearing platform 14 of setting up inner box board 9 bottom surface, hydraulic equipment 15 that sets up on bearing platform 14, lift up bearing platform 16 through hydraulic equipment 15, power conversion equipment 17 on the bearing platform 16 can transport out from equipment well 2, the later stage of being convenient for to power conversion equipment 17's maintenance.
Specifically, in this embodiment, the outer box 1 is further provided with a natural wind pipe 23 and a mechanical wind pipe 24, both the natural wind pipe 23 and the mechanical wind pipe 24 are provided with umbrella-shaped pipes 22, the natural wind pipe 23 is communicated with the inner space of the outer box 1, and the mechanical wind pipe 24 passes through the inner box plate 9 to be communicated with the inner space of the inner box plate 9.
By the umbrella-shaped pipe 22 provided at the top of the natural wind pipe 23 and the mechanical wind pipe 24, when the power conversion device 17 is buried in the ground as a whole, the umbrella-shaped pipe 22 can shield sundries from entering the internal space through the natural wind pipe 23 and the mechanical wind pipe 24.
Specifically, in this embodiment, the length and width of the holding table 16 are smaller than the length and width of the equipment well 2, and the length and width of the hydraulic equipment 15 are smaller than the length and width of the holding table 16.
By setting the length and width of the holding table 16 to be slightly smaller than the length and width of the equipment well 2, the length and width of the hydraulic equipment 15 are also smaller than the length and width of the holding table 16, and the holding table 16 can slide through the equipment well 2 when lifted during use, so that equipment on the holding table 16 can be maintained at a later stage.
Specifically, in this embodiment, a cable inlet and outlet 19 is provided on a side surface of the outer case 1 far away from the drain port 8, a cable 18 and a waterproof filler 21 are disposed in the cable inlet and outlet 19, the cable 18 is connected with a cable connector 20, and one end of the cable connector 20 far away from the cable 18 is connected to the power transformation equipment 17.
Through a cable inlet and outlet 19 arranged on one side of the outer box 1, a cable 18 passes through the inside of the cable inlet and outlet 19, a gap between the cable inlet and outlet 19 and the cable 18 is filled and sealed by a waterproof filler 21, and the cable 18 is connected with the power transformation equipment 17 by a cable connector 20.
Specifically, the mechanical wind pipe 24 is connected with a fan 25, a temperature detector 26 is connected to the fan 25, and the lighting device 13 is disposed on a side far from the mechanical wind pipe 24.
Through the fan 25 that mechanical wind pipeline 24 bottom was equipped, fan 25 is controlled by temperature control machine, and after the inside temperature of box reached the temperature that temperature detector 26 set for, fan 25 starts outwards to get rid of hot-blast effect that reaches the cooling, and when temperature detector 26 that connects above fan 25 detected the incasement high temperature, fan 25 will rotate, and fan 25 is linked together with mechanical wind pipeline 24, cools off the incasement when fan 25 rotates.
Specifically, in this embodiment, the side wall of the outer case 1 is provided with a lifting lug 27.
Through the lug 27 that sets up at outer box 1 side wall, can make the transformer substation more convenient in the in-process of transport.
The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.