CN111884064A

CN111884064A - Armored movable metal-enclosed switch power cabinet and wiring method thereof

Info

Publication number: CN111884064A
Application number: CN202010670017.3A
Authority: CN
Inventors: 孙弘; 赵正红
Original assignee: Anhui Heguang Electric Equipment Co ltd
Current assignee: Anhui Heguang Electric Equipment Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2020-11-03

Abstract

The invention discloses an armored movable metal-enclosed switch power cabinet and a wiring method thereof. The armored movable metal-enclosed switch power cabinet and the wiring method thereof have the advantages that the main bus chamber, the breaker chamber, the standby bus chamber and the isolation chamber are arranged in the switch cabinet body, all the function chambers are separated, overhauling and installation are convenient, the pressure relief channel is convenient to relieve pressure, the safety performance is improved, high-pressure gas generated by arcing faults in the cabinet body is effectively released, cabinet body elements are protected, accident enlargement is avoided, the fan adopts an independent power supply, the switch-on and switch-off are realized by utilizing the sealing door, and the use is simple.

Description

Armored movable metal-enclosed switch power cabinet and wiring method thereof

Technical Field

The invention relates to the technical field of power switch cabinets, in particular to an armored movable metal closed switch power cabinet and a wiring method thereof.

Background

At present, a plurality of problems are exposed in the actual operation of the high-voltage switch cabinet, and the improvement of the power supply reliability is restricted: firstly, the cabinet body space ventilation radiating effect is general, and when the operation reached more than 80% rated current, the temperature rise generally exceeded 70K's national standard requirement. Secondly, the switch cabinet needs to be maintained and overhauled when power is cut off; when components in the current transformer and the like are replaced, power failure is required. Thirdly, the load cannot be flexibly adjusted among all sections of buses. Fourthly, the switch cabinet fails to be isolated and restored quickly, and even the whole bus is powered off.

Chinese patent CN210040931U discloses a metal-enclosed armored switch cabinet, relating to the technical field of switch cabinet dust prevention. The dustproof cabinet comprises a cabinet body, heat dissipation holes formed in the side wall of the cabinet body, a fan fixedly connected to the inner wall of the cabinet body and located at the position of the heat dissipation holes, dustproof cloth arranged on the outer wall of the cabinet body and located at the position of the heat dissipation holes, a scraping assembly arranged on the outer wall of the cabinet body and comprising a movable block connected to one side of the heat dissipation holes in a sliding mode along the vertical direction, a scraping strip arranged on the side wall of the movable block and capable of contacting with the dustproof cloth, and an elastic part with one end fixedly connected to the upper side and the lower side of the movable block respectively, and the. The utility model discloses a have and reduce and change dustproof cloth number of times and can carry out used repeatedly's beneficial effect to dustproof cloth.

Although this application has solved the problem in the background art to a certain extent, adopt the movable block to drive in this application and scrape flitch and brush and clear up dustproof cloth, need set up the power component of sliding block, in addition when overhauing, need close the fan, otherwise under the state of opening the door, advance the ash easily, but fan power often with power switch cabinet's internal connection, it forgets to close the fan easily to go out, or just can close the fan after opening, when clearance or change fan, also cause cubical switchboard internal pollution easily.

Disclosure of Invention

The invention aims to provide an armored movable metal-enclosed switch power cabinet and a wiring method thereof.A main bus chamber, a breaker chamber, a spare bus chamber and an isolation chamber are arranged in a switch cabinet body, all function chambers are separated, the maintenance and the installation are convenient, a pressure relief channel is convenient for pressure relief, the safety performance is improved, high-pressure gas generated by arcing faults in the cabinet body is effectively released, the elements of the cabinet body are protected, the accident expansion is avoided, a fan adopts an independent power supply, the connection and the closing are realized by utilizing a sealing door, the use is simple, manual control is not needed, a brush rotates along with a guide blade, a first dust screen is cleaned, the blockage of the first dust screen is prevented, independent cleaning power is not needed, the energy is saved, the environment is protected, two layers of dust screens are used, the dust prevention effect is improved, and the problems in.

In order to achieve the purpose, the invention provides the following technical scheme: an armored movable metal-enclosed switch power cabinet comprises a switch cabinet body, wherein the lower end of the switch cabinet body is fixedly connected with a base, one side of the upper end of the switch cabinet body is fixedly connected with a first slide rail, a sealing door is movably connected onto the first slide rail, one side of the switch cabinet body is provided with a notch, one side of the notch is hinged with a locking buckle, and a vertical partition plate is arranged inside the switch cabinet body;

an inverted V-shaped groove is formed in the lower surface of the base, a bottom supporting plate is fixedly connected to the lower end of the inverted V-shaped groove, a sliding groove and a sliding groove are formed in one side of the upper surface of the base and movably connected with the lower end of the sealing door, a groove power supply is formed in the upper surface of the base, and a heat dissipation power supply is arranged inside the power supply groove;

the side walls of the upper end and the lower end of the sealing door are respectively connected with a sealing strip, the sealing door is provided with a vent, one side of the vent is fixedly connected with a heat dissipation box, the other side of the vent is fixedly connected with a fixing ring, the vent is connected with a supporting rod, the central position of the supporting rod is fixedly connected with a fixing block, one side of the lower end of the sealing door is provided with a power-on groove, and two sides of the power-on groove are symmetrically connected with conductive;

the inside of heat dissipation box is provided with the fan, and the air outlet has been seted up to the lateral wall equidistance of heat dissipation box, and one side of air outlet is connected with the second dust screen.

Preferably, a main bus chamber, a breaker chamber, a standby bus chamber and an isolation chamber are respectively arranged in the switch cabinet body on two sides of the vertical partition plate, and pressure relief channels are respectively reserved between the main bus chamber and the standby bus chamber and the vertical partition plate.

Preferably, a control chamber and an outlet chamber are respectively arranged below the breaker chamber and the isolation chamber, and a breaker handcart is arranged inside the isolation chamber.

Preferably, the circuit breaker handcart includes handcart board, second slide rail and support column, and the one end swing joint of slider and second slide rail is passed through to the one end of handcart board, and the lower surface symmetric connection of handcart board other end has the support column, and the lower extreme of support column is connected with removes the wheel.

Preferably, one end of the sliding groove is of an open structure, the other end of the sliding groove is provided with a conductive metal block, and the conductive metal block is electrically connected with the heat dissipation power supply.

Preferably, one side of the supporting rod, which is close to the heat dissipation box, is connected with a first dustproof net.

Preferably, handle grooves are symmetrically formed in two sides of the fixing ring.

Preferably, the fan comprises a driving motor, a main shaft, a rotating plate and air guide blades, wherein the output end of the driving motor is connected with one end of the main shaft, the main shaft is fixedly connected with the rotating plate, and the air guide blades are connected to the side wall of the rotating plate at equal distances.

Preferably, the air guide blades are C-shaped blades, the number of the air guide blades is six, and one side of each of the three spaced air guide blades is fixedly connected with a brush.

The invention provides a wiring method of an armored movable metal closed switch power cabinet, which comprises the following steps:

s1: the main bus, the circuit breaker, the standby bus, the isolating switch and the mutual inductor are respectively connected in the main bus chamber, the circuit breaker chamber, the standby bus chamber, the isolating chamber and the control chamber, and the circuit breaker is connected on the handcart plate;

s2: the main bus is connected with the breaker and the mutual inductor, the standby bus is connected with the isolating switch and the mutual inductor and leads out the wiring through the outlet chamber, the main bus supplies power, and when the main bus fails, the standby bus supplies power;

s3: the driving motor is connected with the conductive contact piece through a wire, when the switch cabinet works, the sealing door is closed, the locking buckle fastens one side of the sealing door, two sides of the conductive contact piece are respectively contacted with the conductive metal block, the heat dissipation power supply supplies power to the driving motor, and the guide blade rotates to blow air to dissipate heat to the interior of the switch cabinet body;

s4: the brush rotates along with the guide blades to clean the blockage on the first dustproof net, and when the sealing door is opened, the conductive contact piece is separated from the conductive metal block to drive the motor to be powered off;

s5: the circuit breaker handcart can be pulled out manually to overhaul the circuit breaker.

Compared with the prior art, the invention has the beneficial effects that: this armor withdrawable metal-enclosed switchgear electric power cabinet and wiring method thereof, this internal main bus-bar room that is provided with of cubical switchboard, the circuit breaker room, reserve bus-bar room and isolation chamber, each function room is separated, convenient maintenance and installation, the convenient pressure release of pressure release passageway, improve the high-pressure gas that the internal arcing trouble of security performance effective release cabinet produced, protection cabinet body component, avoid the accident to enlarge the ization, the fan adopts independent power, utilize sealing door to realize the switch-on and close, high durability and convenient use, do not need artificially to control, the brush is rotatory along with the guide vane, clean first dust screen, prevent that first dust screen from blockking up, do not need solitary clearance power, energy-concerving and environment-protective, two-layer dust screen, improve dustproof effect.

Drawings

FIG. 1 is an overall block diagram of the present invention;

FIG. 2 is a view of another embodiment of the present invention;

fig. 3 is a diagram of a circuit breaker handcart configuration of the present invention;

FIG. 4 is an exploded view of the base of the present invention;

FIG. 5 is a view of the seal door of the present invention;

FIG. 6 is a schematic view of the connection structure of the conductive metal block and the conductive contact of the present invention;

FIG. 7 is a view showing the structure of a heat dissipating box according to the present invention;

FIG. 8 is a sectional view of the heat dissipation case of the present invention installed;

fig. 9 is a view showing a structure of a fan according to the present invention.

In the figure: 1. a switch cabinet body; 11. a first slide rail; 12. a notch; 13. a locking buckle; 14. a vertical partition; 141. a main bus bar chamber; 142. a circuit breaker chamber; 143. a spare bus chamber; 144. an isolation chamber; 145. a pressure relief channel; 146. a control room; 147. a wire outlet chamber; 148. a circuit breaker handcart; 1481. a cart board; 1482. a second slide rail; 1483. a support pillar; 2. a base; 21. an inverted V-shaped groove; 22. a bottom support plate; 23. a chute; 231. a conductive metal block; 24. a power supply groove; 25. a heat dissipation power supply; 3. a sealing door; 31. a sealing strip; 32. a vent; 321. a support bar; 322. a fixed block; 33. a stationary ring; 331. a handle groove; 34. a current-carrying groove; 341. a conductive contact; 35. a first dust screen; 4. a heat dissipation box; 41. a fan; 411. a drive motor; 412. a main shaft; 413. a rotating plate; 414. a wind guide blade; 4141. a brush; 42. an air outlet; 43. and a second dust screen.

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, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, an armored movable metal-enclosed switchgear power cabinet includes a switchgear body 1, a base 2 is fixedly connected to a lower end of the switchgear body 1, a first slide rail 11 is fixedly connected to one side of an upper end of the switchgear body 1, a sealing door 3 is movably connected to the first slide rail 11, a notch 12 is opened on one side of the switchgear body 1, the notch 12 is used for moving a heat dissipation box 4 out of the switchgear body 1, a locking buckle 13 is hinged to one side of the notch 12, the locking buckle 13 plays a role of fastening the sealing door 3, a vertical partition 14 is disposed inside the switchgear body 1, a main bus chamber 141, a breaker chamber 142, a spare bus chamber 143, and an isolation chamber 144 are disposed in the switchgear body 1 on both sides of the vertical partition 14, a pressure relief channel 145 is left between the main bus chamber 141 and the spare bus chamber 143 and the vertical partition 14, and each function chamber is separated, convenient maintenance and installation, the convenient pressure release of pressure release passageway 145, the safety performance is improved, the below of circuit breaker room 142 and isolation chamber 144 is provided with control room 146 and outlet chamber 147 respectively, the inside of isolation chamber 144 is provided with circuit breaker handcart 148, the circuit breaker is installed on circuit breaker handcart 148, can realize the circuit breaker operation of pulling out, circuit breaker handcart 148 includes handcart board 1481, second slide rail 1482 and support column 1483, the one end swing joint of slider and second slide rail 1482 is passed through to handcart board 1481's one end, the lower surface symmetric connection of the handcart board 1481 other end has support column 1483, the lower extreme of support column 1483 is connected with removes the wheel, the pull groove has been seted up to handcart board 1481's one end, make things convenient for the hand pulling.

Referring to fig. 4, an inverted V-shaped groove 21 is formed in the lower surface of the base 2, a bottom support plate 22 is fixedly connected to the lower end of the inverted V-shaped groove 21, the upper surface of the bottom support plate 22 is formed by four inclined planes, two end faces of the bottom support plate 22 are triangular inclined planes, two side faces of the bottom support plate 22 are isosceles trapezoid inclined planes, the upper ends of the isosceles trapezoid inclined planes are fixedly connected, the inverted V-shaped groove 21 forms a cavity capable of dissipating heat from the heat dissipation power supply 25, the middle position of the bottom support plate 22 is high, airflow ascends and descends first when passing through the upper surface of the bottom support plate 22, the passing time can be prolonged, the heat dissipation effect is improved, a chute 23 is formed in one side of the upper surface of the base 2, the chute 23 is movably connected to the lower end of the sealing door 3, one end of the chute 23 is of an open structure, the fan 41 is powered by the contact of the conductive metal block 231 and the conductive contact piece 341, the upper surface of the base 2 is provided with a power supply groove 24, and a heat dissipation power supply 25 is arranged in the power supply groove 24;

referring to fig. 5 to 6, the side walls of the upper end and the lower end of the sealing door 3 are respectively connected with a sealing strip 31, the sealing door 3 and the chute 23 are clamped by the sealing strip 31, so that the sealing performance is improved, the vent 32 is formed in the sealing door 3, the heat dissipation box 4 is fixedly connected to one side of the vent 32, the fixing ring 33 is fixedly connected to the other side of the vent 32, the handle grooves 331 are symmetrically formed in two sides of the fixing ring 33, the sealing door 3 is conveniently pushed to move through the handle grooves 331, the supporting rod 321 is connected to the vent 32, the first dust-proof net 35 is connected to one side of the supporting rod 321, which is close to the heat dissipation box 4, the first dust-proof net 35 prevents dust from entering the heat dissipation box 4, the fixing block 322 is fixedly connected to the center of the supporting rod 321, the power-on.

Referring to fig. 7-8, a fan 41 is disposed inside the heat dissipation box 4, an air outlet 42 is equidistantly formed in a side wall of the heat dissipation box 4, the air outlet 42 surrounds a circumference of the heat dissipation box 4, air is dissipated from the circumference of the heat dissipation box 4, so as to improve the heat dissipation effect, a second dust screen 43 is connected to one side of the air outlet 42, the second dust screen 43 further intercepts dust and enters the heat dissipation box 4, the fan 41 includes a driving motor 411, a spindle 412, a rotating plate 413 and air guide vanes 414, an output end of the driving motor 411 is connected to one end of the spindle 412, the spindle 412 is fixedly connected to the rotating plate 413, the air guide vanes 414 are equidistantly connected to a side wall of the rotating plate 413, the air guide vanes 414 are C-shaped vanes, so as to guide the air to the air outlet 42 to the maximum extent, the number of the air guide vanes 414 is six, wherein brushes 4141 are fixedly connected, the brush 4141 is connected to the first dust screen 35, and the brush 4141 rotates along with the fan 414 to clean the first dust screen 35 and prevent the first dust screen 35 from being blocked.

In order to better show the wiring process of the armored movable metal-enclosed switch power cabinet, the embodiment now provides a wiring method of the armored movable metal-enclosed switch power cabinet, which includes the following steps:

the method comprises the following steps: the main bus, the breaker, the spare bus, the disconnecting switch and the mutual inductor are respectively connected in the main bus chamber 141, the breaker chamber 142, the spare bus chamber 143, the isolating chamber 144 and the control chamber 146, the breaker is connected on a handcart plate 1481, and the handcart plate 1481 is pulled manually to pull out the breaker;

step two: the main bus is connected with the breaker and the mutual inductor, the standby bus is connected with the isolating switch and the mutual inductor, and leads out the wiring through the outlet chamber 147, the main bus supplies power, when the main bus fails, the standby bus supplies power, the equipotential and the isolating switch supply power, and the breaker is subdivided, so that switching use of the equipotential between the main bus and the standby bus is realized, and the maintenance can be carried out without stopping;

step three: the driving motor 411 is connected with the conductive contact piece 341 through a wire, when the electric switch cabinet works, the sealing door 3 is closed, the locking buckle 13 fastens one side of the sealing door 3, two sides of the conductive contact piece 341 are respectively contacted with the conductive metal block 231, the heat dissipation power supply 25 supplies power to the driving motor 411, the air guide blade 414 rotates to blow air to the inside of the switch cabinet body 1 for heat dissipation, the fan 41 adopts a single power supply, and the sealing door 3 is utilized to realize the switch-on and switch-off, so that the electric switch cabinet is simple to use;

step four: the brush 4141 rotates along with the guide blade 414 to clean the blockage on the first dust screen 35, when the sealing door 3 is opened, the conductive contact piece 341 is separated from the conductive metal block 231, the driving motor 411 is powered off, and meanwhile, the heat dissipation box 4 moves to the switch cabinet body 1, so that the switch cabinet body 1 can be thoroughly cleaned, and dust is not easy to scatter into the switch cabinet body 1;

step five: the circuit breaker trolley 148 is pulled out manually to service the circuit breaker.

In summary, the following steps: this armor withdrawable metal-enclosed switchgear electric power cabinet and wiring method thereof, be provided with main bus-bar room 141 in cubical switchboard body 1, circuit breaker room 142, reserve bus-bar room 143 and isolation chamber 144, each function room is separated, convenient maintenance and installation, pressure release channel 145 makes things convenient for the pressure release, improve the high-pressure gas that the internal arcing trouble of security performance effective release cabinet produced, protection cabinet body component, avoid the accident to enlarge, fan 41 adopts independent power, utilize sealing door 3 to realize the switch-on and close, and is simple to use, do not need artificial control, brush 4141 is rotatory along with guide blade 414, clean first dust screen 35, prevent that first dust screen 35 from blockking up, do not need solitary clearance power, and is energy-saving and environment-friendly, two-layer dust screen, and the dustproof effect is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides an armor withdrawable metal-enclosed switchgear power cabinet, includes cubical switchboard body (1), its characterized in that: the lower end of the switch cabinet body (1) is fixedly connected with a base (2), one side of the upper end of the switch cabinet body (1) is fixedly connected with a first sliding rail (11), a sealing door (3) is movably connected onto the first sliding rail (11), one side of the switch cabinet body (1) is provided with a notch (12), one side of the notch (12) is hinged with a locking buckle (13), and a vertical partition plate (14) is arranged inside the switch cabinet body (1);

an inverted V-shaped groove (21) is formed in the lower surface of the base (2), a bottom supporting plate (22) is fixedly connected to the lower end of the inverted V-shaped groove (21), a sliding groove (23) is formed in one side of the upper surface of the base (2), the sliding groove (23) is movably connected with the lower end of the sealing door (3), a power supply groove (24) is formed in the upper surface of the base (2), and a heat dissipation power supply (25) is arranged inside the power supply groove (24);

the side walls of the upper end and the lower end of the sealing door (3) are respectively connected with a sealing strip (31), the sealing door (3) is provided with a vent (32), one side of the vent (32) is fixedly connected with a heat dissipation box (4), the other side of the vent (32) is fixedly connected with a fixing ring (33), the vent (32) is connected with a supporting rod (321), the center position of the supporting rod (321) is fixedly connected with a fixing block (322), one side of the lower end of the sealing door (3) is provided with a power-on groove (34), and two sides of the power-on groove (34) are symmetrically connected with conductive contacts (;

the fan (41) is arranged inside the heat dissipation box (4), the air outlet (42) is formed in the side wall of the heat dissipation box (4) at equal distance, and a second dust screen (43) is connected to one side of the air outlet (42).

2. The armored removable metal-enclosed switchgear cabinet according to claim 1, wherein: a main bus chamber (141), a breaker chamber (142), a standby bus chamber (143) and an isolation chamber (144) are respectively arranged in the switch cabinet body (1) on two sides of the vertical partition plate (14), and pressure relief channels (145) are respectively reserved between the main bus chamber (141) and the standby bus chamber (143) and the vertical partition plate (14).

3. The armored removable metal-enclosed switchgear according to claim 2, wherein: and a control chamber (146) and an outlet chamber (147) are respectively arranged below the breaker chamber (142) and the isolation chamber (144), and a breaker handcart (148) is arranged in the isolation chamber (144).

4. The armored removable metal-enclosed switchgear according to claim 3, wherein: the circuit breaker handcart (148) includes handcart board (1481), second slide rail (1482) and support column (1483), and the one end swing joint of slider and second slide rail (1482) is passed through to the one end of handcart board (1481), and the lower surface symmetric connection of handcart board (1481) other end has support column (1483), and the lower extreme of support column (1483) is connected with removes the wheel.

5. The armored removable metal-enclosed switchgear cabinet according to claim 1, wherein: one end of the sliding groove (23) is of an open structure, the other end of the sliding groove (23) is provided with a conductive metal block (231), and the conductive metal block (231) is electrically connected with the heat dissipation power supply (25).

6. The armored removable metal-enclosed switchgear cabinet according to claim 1, wherein: one side of the support rod (321) close to the heat dissipation box (4) is connected with a first dustproof net (35).

7. The armored removable metal-enclosed switchgear cabinet according to claim 1, wherein: handle grooves (331) are symmetrically formed in two sides of the fixing ring (33).

8. The armored removable metal-enclosed switchgear cabinet according to claim 1, wherein: the fan (41) comprises a driving motor (411), a spindle (412), a rotating plate (413) and air guide blades (414), wherein the output end of the driving motor (411) is connected with one end of the spindle (412), the spindle (412) is fixedly connected with the rotating plate (413), and the air guide blades (414) are connected to the side wall of the rotating plate (413) at equal distances.

9. The armored removable metal-enclosed switchgear according to claim 8, wherein: the wind guide blades (414) are C-shaped blades, the number of the wind guide blades (414) is six, and one side of three spaced wind guide blades (414) is fixedly connected with a brush (4141).

10. A wiring method of armored removable metal-enclosed switchgear cabinet according to any one of claims 1 to 9, comprising the steps of:

s1: a main bus, a breaker, a spare bus, a disconnecting switch and a mutual inductor are respectively connected in a main bus chamber (141), a breaker chamber (142), a spare bus chamber (143), an isolation chamber (144) and a control chamber (146), and the breaker is connected to a trolley board (1481);

s2: the main bus is connected with the breaker and the mutual inductor, the standby bus is connected with the isolating switch and the mutual inductor, wiring is led out through the outlet chamber (147), the main bus supplies power, and when the main bus fails, the standby bus supplies power;

s3: the driving motor (411) is connected with the conductive contact piece (341) through a lead, when the switch cabinet works, the sealing door (3) is closed, the locking buckle (13) fastens one side of the sealing door (3), two sides of the conductive contact piece (341) are respectively contacted with the conductive metal block (231), the heat dissipation power supply (25) supplies power to the driving motor (411), and the conductive blade (414) rotates to blow air to dissipate heat inside the switch cabinet body (1);

s4: the brush (4141) rotates along with the guide vane (414) to clean the blockage on the first dustproof net (35), when the sealing door (3) is opened, the conductive contact piece (341) is separated from the conductive metal block (231), and the driving motor (411) is powered off;

s5: the circuit breaker trolley (148) is pulled out manually to service the circuit breaker.