CN207559382U - A distribution cabinet for smart grid - Google Patents

Abstract

The utility model discloses a power distribution cabinet for a smart grid, which comprises a rectangular shell, wherein the upper end and the lower end of the rear side surface of the rectangular shell are respectively provided with an exhaust grille and a wiring hole, the inner upper surface of the rectangular shell is provided with a manual switch and a dry powder fire extinguisher, the lower surface of the dry powder fire extinguisher is connected with the inner upper surface of the rectangular shell through a mounting seat, the inner rear side surface of the rectangular shell is sequentially provided with a supporting plate and a supporting plate from top to bottom, the upper surface of the supporting plate is provided with a singlechip, the supporting plate is connected with a wiring board through a drawing guide rail arranged on the upper surface in a sliding way, the power distribution cabinet for the smart grid has simple structure and convenient installation, occupies small space when in use, can effectively improve the use safety of the smart grid, the arrangement of the supporting legs can effectively prevent the lower surface of the utility model from being in contact with, can be right through the fan the utility model discloses play fine radiating effect.

Description

A distribution cabinet for smart grid

technical field

The utility model relates to the technical field of power distribution equipment, in particular to a power distribution cabinet for a smart grid.

Background technique

The power distribution cabinet is the final equipment of the power distribution system, and it is the general name of the motor control center. Power distribution cabinets are widely used in power distribution systems of power users such as power plants, substations, factories and mines, and are mainly used for power conversion, distribution and control of power, lighting and power generation and distribution equipment. With the advancement of science and technology and the improvement of technical level, the design of power distribution cabinets is becoming more and more scientific. Many power distribution cabinets can be equipped with corresponding mechanisms to improve their performance. However, most of the existing power distribution cabinets cannot monitor their internal operation conditions, and cannot promptly cut off the power when a fire occurs. At the same time, most of the existing power distribution cabinets are placed directly on the ground. When it comes into contact with the ground, it will often cause serious corrosion on the lower surface of the power distribution cabinet, and in severe cases, it may cause electric leakage and endanger people's safety.

Utility model content

The technical problem to be solved by the utility model is to overcome the existing defects and provide a power distribution cabinet for smart grid, which can effectively isolate the power distribution cabinet from the ground and effectively prevent corrosion on the lower surface of the power distribution cabinet. Moreover, when a fire breaks out, rapid power-off processing can be performed, which further improves the safety of the utility model and can effectively solve the problems in the background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a power distribution cabinet for smart grids, including a rectangular housing, the upper and lower ends of the rear side of the rectangular housing are respectively provided with exhaust grilles and wiring holes , the inner upper surface of the rectangular shell is provided with a manual switch and a dry powder fire extinguisher, the lower surface of the dry powder fire extinguisher is connected with the inner upper surface of the rectangular shell through the mounting seat, and the inner rear side of the rectangular shell is provided with a supporting plate from top to bottom and a support plate, the upper surface of the support plate is provided with a single-chip microcomputer, the support plate is slidably connected with a terminal board through a pull-out guide rail arranged on There is a fan on one side of the air grille, a temperature sensor and a smoke sensor on the upper end of the inner rear side of the rectangular housing, a connecting rod on the inner side of the rectangular housing, and a tapered discharge port on the middle of the outer side of the connecting rod. , the outer surface of the conical discharge port is connected to the upper surface of the dry powder fire extinguisher through a diversion tube, and the outer side of the diversion tube close to the upper surface of the dry powder fire extinguisher is provided with a solenoid valve, and the rectangular shell is rotated through a hinge set on its front side The airtight door is connected, the input end of the single-chip microcomputer is electrically connected with the output end of the external power supply, the temperature sensor and the smoke sensor, and the output end of the single-chip microcomputer is electrically connected with the input end of the fan and the solenoid valve respectively.

As a preferred technical solution of the present invention, the lower surface of the rectangular housing is provided with supporting legs, the number of supporting legs is four, and the four supporting legs are evenly distributed on the lower surface of the rectangular housing.

As a preferred technical solution of the present invention, two first air intake grilles arranged symmetrically are arranged on the lower ends of the left and right sides of the rectangular housing.

As a preferred technical solution of the utility model, an electromagnetic lock is provided in the middle of the right side of the airtight door, a handle is provided on the front side of the electromagnetic lock, and the input end of the electromagnetic lock is electrically connected with the output end of the single-chip microcomputer.

As a preferred technical solution of the present utility model, the right side of the airtight door is provided with an indicator light group, an observation window and a display sequentially from top to bottom, and the input terminals of the indicator light group and the display are respectively connected to the output terminal of the single-chip microcomputer. connect.

Compared with the prior art, the beneficial effect of the utility model is that the power distribution cabinet for the smart grid has a simple structure, is convenient to install, takes up little space when used, and can effectively improve the use safety of the smart grid. The setting can effectively prevent the lower surface of the utility model from contacting with the ground to corrode. When a fire breaks out, the dry powder fire extinguisher can quickly extinguish the fire source, and the fan can play a good heat dissipation effect on the utility model.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a front view of the utility model;

Fig. 3 is a right view of the utility model;

Fig. 4 is a rear view of the utility model.

In the figure: 1 first air intake grille, 2 support plate, 3 support leg, 4 manual switch, 5 wiring hole, 6 mounting base, 7 dry powder fire extinguisher, 8 airtight door, 9 pallet, 10 terminal, 11 fan, 12 Wiring board, 13 Rectangular shell, 14 Connecting rod, 15 Conical discharge port, 16 Exhaust grille, 17 Temperature sensor, 18 Smoke sensor, 19 Single-chip microcomputer, 20 Solenoid valve, 21 Indicator group, 22 Observation window, 23 Electromagnetic lock, 24 handles, 25 displays.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-4, the utility model provides a technical solution: a power distribution cabinet for smart grids, including a rectangular housing 13, the lower surface of the rectangular housing 13 is provided with supporting legs 3, and the supporting legs 3 The number is four, and the four supporting legs 3 are evenly distributed on the lower surface of the rectangular housing 13. The setting of the supporting legs 3 can effectively prevent the corrosion of the lower surface of the utility model from contact with the ground. The lower ends of the left and right sides of the rectangular housing 13 There are two first air intake grills 1 symmetrically arranged left and right, exhaust grilles 16 and wiring holes 5 are respectively provided on the upper and lower ends of the rear side of the rectangular housing 13, and manual The switch 4 and the dry powder fire extinguisher 7, the lower surface of the dry powder fire extinguisher 7 is connected to the inner upper surface of the rectangular housing 13 through the mounting seat 6, when a fire occurs, the dry powder fire extinguisher 7 can quickly extinguish the fire source, and the inner rear side of the rectangular housing 13 Supporting plate 9 and supporting plate 2 are arranged successively from top to bottom, and the upper surface of supporting plate 2 is provided with single-chip microcomputer 19, and supporting plate 9 is slidably connected with wiring board 12 by being arranged on the drawing guide rail of its upper surface, and the connecting plate 12 The upper surface is provided with a terminal post 10, and the inner rear side of the rectangular housing 13 is provided with a fan 11 near the side of the exhaust grille 16. The fan 11 can play a good heat dissipation effect on the utility model. The rectangular housing 13 A temperature sensor 17 and a smoke sensor 18 are arranged on the upper end of the inner rear side, a connecting rod 14 is arranged on the upper end of the inner surface of the rectangular housing 13, and a conical discharge port 15 is provided on the middle part of the outer surface of the connecting rod 14, and the outer surface of the conical discharge port 15 The side is connected with the upper surface of the dry powder fire extinguisher 7 through a guide tube, and the outer surface of the guide tube is provided with a solenoid valve 20 near the upper surface of the dry powder fire extinguisher 7, and the rectangular housing 13 is connected with a seal through a hinge arranged on its front side. Door 8, the right side middle part of airtight door 8 is provided with electromagnetic lock 23, and the front side of electromagnetic lock 23 is provided with handle 24, and the input end of electromagnetic lock 23 is electrically connected with the output end of single-chip microcomputer 19, and the right side of airtight door 8 Be provided with indicator light group 21, observation window 22 and display 25 successively from top to bottom, the input end of indicator light group 21 and display 25 is electrically connected with the output terminal of single-chip microcomputer 19 respectively, and the input end of single-chip microcomputer 19 is connected with external power supply, temperature respectively. The output end of sensor 17 and smoke sensor 18 is electrically connected, and the output end of single-chip microcomputer 19 is electrically connected with the input end of fan 11 and solenoid valve 20 respectively, and single-chip microcomputer 19 controls electromagnetic lock 23, indicator light group 21, display 25, blower fan 11 and electromagnetic valve. The valve 20 adopts the method commonly used in the prior art. It is used in the power distribution cabinet of the smart grid. The structure is simple, the installation is convenient, and the space is small when used, which can effectively improve the safety of the smart grid.

When in use: the external transformer module is packed into the utility model, the external wire is connected to the manual switch 4 through the wiring hole 5, and then the manual switch 4, the transformer module, the single-chip microcomputer 19 and the terminal post 10 are connected in series to the Together, connect the external power supply, when the utility model is working, its internal environment is monitored by temperature sensor 17 and smoke sensor 18 respectively and the monitoring data is transmitted to single-chip microcomputer 19, when a fire broke out, smoke sensor 18 feels the smoke information, The single-chip microcomputer 19 disconnects the connection with the external power supply, and the single-chip microcomputer 19 controls the fan 11 to work, and the fan 11 carries out heat dissipation treatment to the utility model.

The utility model can be installed conveniently, takes up less space when used, and is convenient for installation and use; it can recycle the fire and improve the safety of use; the setting of the sealing door 8 makes the utility model easy to maintain and improve For ease of use.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. A power distribution cabinet for smart grids, comprising a rectangular housing (13), characterized in that: the upper and lower ends of the rear side of the rectangular housing (13) are respectively provided with exhaust grilles (16) and The wiring hole (5), the inner upper surface of the rectangular housing (13) is provided with a manual switch (4) and a dry powder fire extinguisher (7), and the lower surface of the dry powder fire extinguisher (7) passes through the installation seat (6) and the rectangular housing (13 ), the internal rear side of the rectangular housing (13) is provided with a support plate (9) and a support plate (2) in sequence from top to bottom, and the upper surface of the support plate (2) is provided with a single-chip microcomputer (19) , the supporting plate (9) is slidably connected to the terminal board (12) through the pull-out guide rail provided on its upper surface, the upper surface of the terminal board (12) is provided with a terminal post (10), and the rear of the rectangular housing (13) A fan (11) is provided on the side close to the exhaust grille (16), a temperature sensor (17) and a smoke sensor (18) are provided at the upper end of the inner rear side of the rectangular housing (13), and the rectangular housing (13) A connecting rod (14) is provided on the inner surface of the connecting rod (14), and a conical discharge port (15) is provided in the middle of the outer surface of the connecting rod (14). ) is connected to the upper surface, the outer surface of the guide tube close to the upper surface of the dry powder fire extinguisher (7) is provided with a solenoid valve (20), and the rectangular housing (13) is connected with a sealed door ( 8), the input end of the single-chip microcomputer (19) is electrically connected with the output end of the external power supply, the temperature sensor (17) and the smoke sensor (18), and the output end of the single-chip microcomputer (19) is respectively connected with the fan (11) and the solenoid valve (20 ) The input terminal is electrically connected. 2. A power distribution cabinet for smart grid according to claim 1, characterized in that: the lower surface of the rectangular housing (13) is provided with supporting legs (3), the number of supporting legs (3) There are four, and the four supporting legs (3) are evenly distributed on the lower surface of the rectangular housing (13). 3. A power distribution cabinet for smart grid according to claim 1, characterized in that: the lower ends of the left and right side surfaces of the rectangular housing (13) are provided with two left and right symmetrically arranged first air intake grids grid (1). 4. A power distribution cabinet for smart grid according to claim 1, characterized in that: an electromagnetic lock (23) is provided in the middle of the right side of the airtight door (8), and the electromagnetic lock (23) The front side is provided with a handle (24), and the input end of the electromagnetic lock (23) is electrically connected with the output end of the single-chip microcomputer (19). 5. A power distribution cabinet for smart grid according to claim 1, characterized in that: the right side of the airtight door (8) is sequentially provided with indicator lights (21), observation The input terminals of the window (22) and the display (25), the indicator light group (21) and the display (25) are electrically connected with the output terminals of the single-chip microcomputer (19) respectively.