CN111541173A

CN111541173A - Power distribution cabinet

Info

Publication number: CN111541173A
Application number: CN202010491841.2A
Authority: CN
Inventors: 孟娜妮
Original assignee: Individual
Current assignee: Shandong Runtai Electrical Equipment Co.,Ltd.
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2020-08-14
Anticipated expiration: 2040-06-03
Also published as: CN111541173B

Abstract

The invention relates to the technical field of power transmission and distribution equipment, in particular to a power distribution cabinet which comprises a cabinet body, wherein the cabinet body is composed of an upper shell unit, a middle shell unit and a lower shell unit from top to bottom, wire inlet seats for wire inlet are arranged on the upper shell unit and the lower shell unit, and the middle of the middle shell unit is welded and fixed by a butt joint mounting frame. The beneficial effects are that: the outdoor power distribution cabinet provided by the invention adopts a mechanism that the front cabinet door and the rear cabinet door are arranged, the cabinet body can be directly unfolded so as to provide more operable space, and meanwhile, the fixing device for mounting the power distribution equipment can also slide and be pulled out to the outside of the cabinet body to carry out wiring and maintenance on the power distribution equipment mounted on the fixing device, so that the maintenance difficulty is effectively reduced, the maintenance efficiency is improved, the internal structure of the device can be designed to be more compact, the internal space utilization efficiency is further improved, and meanwhile, the power distribution cabinet also has a better heat dissipation design.

Description

Power distribution cabinet

Technical Field

The invention relates to the technical field of power transmission and distribution equipment, in particular to a power distribution cabinet.

Background

An electric power system needs to distribute electric energy to specific electric equipment through a power distribution system at the tail end of a power transmission network, and the tail end power distribution equipment of the power distribution system is a power distribution cabinet. Outdoor switch board is promptly for installing the switch board of outdoor use, and current outdoor switch board is in order to save the space that self occupy to and improve the inner space utilization, and general internal device arranges compactly, and the winding displacement is intensive, thereby has caused the operation inconvenience when overhauing and working a telephone switchboard, has increased maintainer's the maintenance degree of difficulty, leads to being difficult to quick troubleshooting, also faces the difficult scheduling problem of heat dissipation simultaneously.

If the novel outdoor power distribution cabinet with good heat dissipation capacity and convenient maintenance and wiring is provided, the problems can be effectively solved, and the power distribution cabinet is provided for people.

Disclosure of Invention

The invention aims to provide a power distribution cabinet to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a power distribution cabinet comprises a cabinet body, wherein the cabinet body consists of an upper shell unit, a middle shell unit and a lower shell unit from top to bottom, wire inlet seats for wire inlet are arranged on the upper shell unit and the lower shell unit, the middle of the middle shell unit is fixed by a butt joint mounting frame in a welding mode, and a controller and an energy storage device are fixedly mounted on the butt joint mounting frame through bolts;

the cabinet door is characterized in that at least two pairs of lifting push rods are mounted on the middle shell unit, the output ends of the lifting push rods are used for driving the upper shell unit and the lower shell unit, a first temperature and humidity sensor for detecting the temperature and humidity outside the cabinet body is fixedly mounted on the middle shell unit through bolts, a second temperature and humidity detection sensor for detecting the temperature and humidity inside the cabinet body is fixedly mounted on the middle shell unit through bolts, cabinet doors are hinged to the front end and the rear end of the middle shell unit, and heat dissipation devices are driven by the left end and the right end of the middle shell unit through telescopic push rods;

the heat dissipation device comprises a sliding frame fixedly mounted with the tail end of the telescopic push rod through a bolt, an insertion frame is fixedly mounted on the inner side of the sliding frame through a bolt, air holes are formed in the outer side of the sliding frame, a dustproof rain shielding device is arranged between the sliding frame and the insertion frame, a fan corresponding to the air holes is arranged on the inner side of the insertion frame, and an airflow pipe communicated with the fan is arranged on the insertion frame;

go up all through bolt fixed mounting on casing unit and the casing unit down and have the support element frame, and all have the slide rail through bolt fixed mounting on the support element frame, slidable mounting has the sliding seat on the slide rail, and compresses tightly fixedly through the fixed knob of second between sliding seat and the slide rail, articulated the installing fixing device who is used for fixed distribution equipment on the sliding seat, and go up casing unit, all have the air cock that communicates with the air current pipe through buckle fixed mounting on casing unit and the lower casing unit and the fixing device, the controller passes through wire difference electric connection fan, lifting push rod, energy memory, first temperature and humidity detection sensor, telescopic push rod and second temperature and humidity detection sensor.

Preferably, the bottom of the lower shell unit is fixedly provided with a base through a bolt, and a cabinet door is provided with a transparent observation window convenient for observing internal instruments.

Preferably, fixing device includes the fixed plate with the articulated installation of sliding seat, and the left side of fixed plate is connected with the side connecting plate through reset spring, integrated into one piece has the direction slide bar with fixed plate slip grafting on the side connecting plate, and the side connecting plate is through first fixed knob and sliding seat fixed mounting.

Preferably, dustproof rain-proof device include with insert the mount that puts up through bolt fixed mounting, and the mount has the cotton net of moisture absorption through bolt fixed mounting in the position department that corresponds with the gas pocket, and the mount has the well filter screen of imitating through bolt fixed mounting in the position department that corresponds with the fan, the mount has the well baffle crisscross with gas pocket opening position through bolt fixed mounting in the position department between corresponding cotton net of moisture absorption and the well filter screen of imitating.

Preferably, the controller is an S7-200 PLC, and the telescopic push rod and the lifting push rod are ball screw type electric push rods.

Preferably, the upper end of the sliding frame is fixedly provided with a rain shielding sleeve through a screw, and the rain shielding sleeve is a semicircular rubber sleeve.

Compared with the prior art, the invention has the beneficial effects that: the outdoor power distribution cabinet provided by the invention adopts a mechanism that the front cabinet door and the rear cabinet door are arranged, the cabinet body can be directly unfolded so as to provide more operable space, meanwhile, the fixing device for mounting the power distribution equipment can also slide and be pulled out to the outside of the cabinet body to wire and overhaul the power distribution equipment mounted on the fixing device, so that the overhaul difficulty is effectively reduced, the overhaul efficiency is improved, the internal structure of the device can be designed to be more compact, the utilization efficiency of the internal space is further improved, meanwhile, the power distribution cabinet is also internally provided with a good heat dissipation function, the use requirement can be better met, and the outdoor power distribution cabinet has high practical value.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

FIG. 3 is a schematic view of the housing and heat sink assembly of the present invention;

FIG. 4 is a schematic structural diagram of a heat dissipation device according to the present invention;

fig. 5 is a schematic view of the assembly of the support unit frame and the fixing device of the present invention.

In the figure: 1. a cabinet body; 101. an upper housing unit; 102. a middle housing unit; 103. a lower housing unit; 2. a heat sink; 201. an airflow duct; 202. an insertion frame; 203. a fan; 204. a carriage; 205. air holes; 3. a dust-proof rain-proof device; 301. a moisture-absorbing web; 302. a fixed mount; 303. a middle partition plate; 304. a medium-efficiency filter screen; 4. a sliding seat; 5. a rain shield sleeve; 6. a fixing device; 601. a fixing plate; 602. a return spring; 603. a guide slide bar; 604. a side connection plate; 7. a first fixed knob; 8. a second fixed knob; 9. a support unit frame; 10. a slide rail; 11. a lifting push rod; 12. an energy storage device; 13. butting the mounting frames; 14. a transparent viewing window; 15. a first temperature and humidity detection sensor; 16. a telescopic push rod; 17. a second temperature and humidity detection sensor; 18. a wire inlet seat; 19. a base; 20. a controller; 21. a cabinet door.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art without creative efforts based on the technical solutions of the present invention belong to the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: a power distribution cabinet comprises a cabinet body 1, wherein the cabinet body 1 consists of an upper shell unit 101, a middle shell unit 102 and a lower shell unit 103 from top to bottom, wire inlet seats 18 for wire inlet are arranged on the upper shell unit 101 and the lower shell unit 103 respectively, the middle of the middle shell unit 101 is fixed by a butt joint mounting frame 13 in a welding mode, and a controller 20 and an energy storage device 12 are fixedly mounted on the butt joint mounting frame 13 through bolts;

at least two pairs of lifting push rods 11 are mounted on a middle shell unit 102, the output ends of the lifting push rods 11 are used for driving an upper shell unit 101 and a lower shell unit 103, a first temperature and humidity sensor 15 for detecting the temperature and humidity outside a cabinet body 1 is fixedly mounted on the middle shell unit 102 through bolts, a second temperature and humidity detection sensor 17 for detecting the temperature and humidity inside the cabinet body 1 is fixedly mounted on the middle shell unit 102 through bolts, the front end and the rear end of the middle shell unit 102 are respectively hinged with a cabinet door 21, and the left end and the right end of the middle shell unit 102 are respectively driven by a telescopic push rod 16 to form a heat dissipation device 2;

the heat dissipation device 2 comprises a sliding frame 204 fixedly installed with the tail end of the telescopic push rod 16 through a bolt, an insertion frame 202 is fixedly installed on the inner side of the sliding frame 204 through a bolt, an air hole 205 is formed in the outer side of the sliding frame 204, a dustproof rain shielding device 3 is arranged between the sliding frame 204 and the insertion frame 202, a fan 203 corresponding to the air hole 205 is arranged on the inner side of the insertion frame 202, and an airflow pipe 201 communicated with the fan 203 is arranged on the insertion frame 202;

the upper shell unit 101 and the lower shell unit 103 are both fixedly provided with a supporting unit frame 9 through bolts, the supporting unit frame 9 is fixedly provided with a slide rail 10 through bolts, the slide rail 10 is slidably provided with a sliding seat 4, the sliding seat 4 and the slide rail 10 are compressed and fixed through a second fixing screw button 8, the sliding seat 4 is hinged with a fixing device 6 for fixing distribution equipment, the upper shell unit 101, the lower shell unit 103 and the fixing device 6 are respectively fixedly provided with air nozzles communicated with an airflow pipe 201 through buckles, and the controller 20 is respectively and electrically connected with the fan 203, the lifting push rod 11, the energy storage device 12, the first temperature and humidity detection sensor 15, the telescopic push rod 16 and the second temperature and humidity detection sensor 17 through wires;

the bottom of the lower shell unit 103 is fixedly provided with a base 19 through bolts, a cabinet door 21 is provided with a transparent observation window 14 convenient for observing internal instruments, the upper end of the sliding frame 204 is fixedly provided with a rain shielding sleeve 5 through screws, the rain shielding sleeve 5 is a semicircular rubber sleeve, the controller 20 is an S7-200 type PLC controller, and the telescopic push rod 16 and the lifting push rod 11 are ball screw type electric push rods;

the fixing device 6 comprises a fixing plate 601 hinged with the sliding seat 4, the left side of the fixing plate 601 is connected with a side connecting plate 604 through a return spring 602, a guide sliding rod 603 in sliding insertion connection with the fixing plate 601 is integrally formed on the side connecting plate 604, and the side connecting plate 604 is fixedly installed with the sliding seat 4 through a first fixing screw button 7;

the dustproof and rain-proof device 3 comprises a fixed frame 302 fixedly installed with the insertion frame 202 through bolts, a moisture absorption cotton net 301 is fixedly installed on the fixed frame 302 at a position corresponding to the air hole 205 through bolts, a middle effect filter screen 304 is fixedly installed on the fixed frame 302 at a position corresponding to the fan 203 through bolts, a middle partition plate 303 staggered with the opening position of the air hole 205 is fixedly installed on the fixed frame 302 at a position corresponding to the position between the moisture absorption cotton net 301 and the middle effect filter screen 304 through bolts, after air flow enters from the air hole 205, water vapor in the air flow is firstly removed through the moisture absorption cotton net 301, then the air flow ascends and crosses the middle partition plate 303, then the air flow is further filtered by the middle effect filter screen 304 and then is sent into the cabinet body 1, raindrops blown by external wind cannot directly cross the middle partition plate 303 after entering the air hole 205, therefore, the raindrops can directly flow out from the air hole, and meanwhile, water drops accumulated on the moisture absorption cotton net 301 cannot cross the upper end of And (4) flowing out.

The working principle is as follows: the device's cabinet body 1 is assembled to the adoption and is constituted, and each position can solitary split packing to more convenient transport, assemble the completion back in appointed work area, when needs are installed and are maintained the distribution equipment of the internal 1 of cabinet, only need open be located cabinet door 21 at cabinet body 1 front and back both ends can, the device's cable is by the side of the cabinet body rather than front and back both ends carry out the inlet wire, has also made things convenient for to open the door. The cabinet door 21 is provided with the transparent observation window 14, so that the state of the power distribution equipment inside the cabinet body 1 can be directly observed under the condition that the cabinet door 21 is not opened, after the cabinet door 21 is opened, the upper shell unit 101, the middle shell unit 102 and the lower shell unit 103 can be driven to be separated by the lifting push rod 11 through corresponding control buttons on the controller 20, the operable space of maintenance personnel is effectively enlarged, the controller 20 of the device adopts the energy storage device 12 to perform functions, and the energy storage device 12 is a lithium battery pack or a storage battery pack electrically connected with a power distribution network. When the cabinet body 1 is separated, the second fixing screw 8 can be screwed, then the fixing device 6 is pulled out, then the first fixing screw 7 can be screwed to separate the side connecting plate 604 from the sliding seat 4, at this time, the fixing device 6 can be integrally screwed out, so that a user can conveniently maintain the power distribution equipment arranged on the fixing device 6 at the outer side of the cabinet body 1, in addition, the fixing plate 601 and the side connecting plate 604 can be used for installing the power distribution equipment, and the power distribution equipment arranged on the side connecting plate 604 can be pulled out outwards under the guidance of the guide sliding rod 603, so that the maintenance is convenient, further, because the fixing device 6 can be screwed out, the inner side and the outer side of the fixing device 6 can be used for installing the power distribution equipment, and meanwhile, a plurality of fixing devices 6 can be arranged on the sliding rail 10 by adopting the mode that the cabinet doors 21 are arranged at the front side and the rear side of the cabinet body 1, thereby promoted the 1 internal integration degree of the cabinet body, effectual space utilization has improved. The device also has good heat dissipation capacity, the controller 20 can detect the temperature and humidity changes inside and outside the cabinet body 1 through the first temperature and humidity detection sensor 15 and the second temperature and humidity detection sensor 17 during daily use, thereby selecting a proper heat dissipation mode, when the outside humidity is greater than a set value and the outside temperature is lower than the inside, the heat dissipation device 2 is adopted for active heat dissipation, in the active heat dissipation process, the fan 203 in the heat dissipation device 2 at the left side of the cabinet body 1 pumps the outside air into the cabinet body 1 to be subjected to dust removal and moisture absorption by the dustproof rain shielding device 3, and then the air nozzles for air injection installed in the cabinet body 1 are utilized to uniformly spray the air into a specified area, and the fan 203 in the heat dissipation device 2 at the right side of the cabinet body 1 pumps the hot air in the cabinet body 1 through the air nozzles for air extraction uniformly arranged in the cabinet body 1 and sends the hot, and when outside humidity is not higher than the setting value and outside temperature is less than the internal temperature of the cabinet 1, can adopt natural heat dissipation when the internal temperature of the cabinet 1 is not higher than the setting value simultaneously, controller 20 stretches out to the outside through the heat abstractor 2 of telescopic push rod 16 drive both sides this moment, and the air can get into through the space that is located reserving between heat abstractor 2 bottom and the well casing unit 102 and carry out natural heat dissipation in the cabinet 1 this moment to radiating energy consumption can effectively be saved. The device convenient to use not only is convenient for transport and equipment, can effectually provide sufficient maintenance operating space moreover to improve the efficiency of maintenance, also had good heat dispersion simultaneously, can ensure the normal function of inside distribution equipment, had very high practical value.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a switch board, includes cabinet body (1), its characterized in that: the cabinet body (1) is composed of an upper shell unit (101), a middle shell unit (102) and a lower shell unit (103) from top to bottom, wire inlet seats (18) for wire inlet are arranged on the upper shell unit (101) and the lower shell unit (103), the middle of the middle shell unit (101) is welded and fixed through a butt joint mounting frame (13), and a controller (20) and an energy storage device (12) are fixedly mounted on the butt joint mounting frame (13) through bolts;

the cabinet temperature and humidity monitoring device is characterized in that at least two pairs of lifting push rods (11) are mounted on the middle shell unit (102), the output ends of the lifting push rods (11) are used for driving the upper shell unit (101) and the lower shell unit (103), a first temperature and humidity sensor (15) for detecting the temperature and humidity outside the cabinet body (1) is fixedly mounted on the middle shell unit (102) through bolts, a second temperature and humidity detection sensor (17) for detecting the temperature and humidity inside the cabinet body (1) is fixedly mounted on the middle shell unit (102) through bolts, cabinet doors (21) are hinged to the front end and the rear end of the middle shell unit (102), and heat dissipation devices (2) are driven by the left end and the right end of the middle shell unit (102) through telescopic push rods (16);

the heat dissipation device (2) comprises a sliding frame (204) fixedly mounted with the tail end of the telescopic push rod (16) through a bolt, an insertion frame (202) is fixedly mounted on the inner side of the sliding frame (204) through a bolt, an air hole (205) is formed in the outer side of the sliding frame (204), a dustproof rain shielding device (3) is arranged between the sliding frame (204) and the insertion frame (202), a fan (203) corresponding to the air hole (205) is arranged on the inner side of the insertion frame (202), and an airflow pipe (201) communicated with the fan (203) is arranged on the insertion frame (202);

the upper shell unit (101) and the lower shell unit (103) are both fixedly provided with a supporting unit frame (9) through bolts, sliding rails (10) are fixedly arranged on the supporting unit frames (9) through bolts, sliding seats (4) are slidably arranged on the sliding rails (10), the sliding seat (4) and the sliding rail (10) are pressed and fixed through a second fixed screw button (8), the sliding seat (4) is hinged with a fixing device (6) for fixing the power distribution equipment, and air nozzles communicated with the airflow pipe (201) are fixedly arranged on the upper shell unit (101), the lower shell unit (103) and the fixing device (6) through buckles, the controller (20) is electrically connected with the fan (203), the lifting push rod (11), the energy storage device (12), the first temperature and humidity detection sensor (15), the telescopic push rod (16) and the second temperature and humidity detection sensor (17) through leads respectively.

2. A switch board according to claim 1, characterized in that: the bottom of inferior valve housing unit (103) passes through bolt fixed mounting has base (19), and installs transparent observation window (14) of being convenient for observe inside instrument on cabinet door (21).

3. A switch board according to claim 1, characterized in that: fixing device (6) include with sliding seat (4) articulated installation fixed plate (601), and the left side of fixed plate (601) is connected with side connecting plate (604) through reset spring (602), integrated into one piece has direction slide bar (603) with fixed plate (601) slip grafting on side connecting plate (604), and side connecting plate (604) through first fixed knob (7) and sliding seat (4) fixed mounting.

4. A switch board according to claim 1, characterized in that: dustproof rain gear (3) include with insert frame (202) through bolt fixed mounting's mount (302), and mount (302) correspond position department with gas pocket (205) and have moisture absorption cotton-padded net (301) through bolt fixed mounting, and mount (302) correspond position department with fan (203) and have well effect filter screen (304) through bolt fixed mounting, mount (302) correspond position department between moisture absorption cotton-padded net (301) and well effect filter screen (304) through bolt fixed mounting have with gas pocket (205) opening position crisscross well baffle (303).

5. A switch board according to claim 1, characterized in that: the controller (20) is an S7-200 type PLC controller, and the telescopic push rod (16) and the lifting push rod (11) are ball screw type electric push rods.

6. A switch board according to claim 1, characterized in that: the upper end of the sliding frame (204) is fixedly provided with a rain-proof sleeve (5) through a screw, and the rain-proof sleeve (5) is a semicircular rubber sleeve.