CN207910282U - A kind of novel low-pressure switch device - Google Patents

Abstract

The utility model discloses a novel low-voltage switchgear. A nameplate is arranged on the outer end surface of the cabinet body frame, and an external junction box is arranged on the outer side of the cabinet body frame. Six terminal double control switches, the internal junction box is connected to the external junction box, and the six connecting wires connected with the internal junction box pass through the six wire tubes through the external junction box and respectively connect to the six terminal dual control Switch, the side of the cabinet frame is equipped with a mechanical lock, the mechanical lock is fixed on the cabinet frame through the fixing piece, and the sides of the mechanical lock are respectively connected with six mechanical baffles. High protection level, novel structure, double-sided control circuit on and off, convenient and quick operation, lower accident rate, and less work burden.

Description

A New Type of Low Voltage Switchgear

technical field

The utility model relates to the technical field of switch devices, in particular to a novel low-voltage switch device.

Background technique

There are many types of switchgear, including switchgear. The switchgear is a kind of electrical equipment. The outside line of the switchgear first enters the main control switch in the cabinet, and then enters the sub-control switch. Each branch is set according to its needs, such as instruments, automatic control, Motor magnetic switch, various AC contactors, etc. Some also have high-voltage room and low-voltage room switch cabinets, high-voltage busbars, such as power plants, etc., and some are also equipped with low-cycle load shedding for main equipment.

The main function of the switchgear is to open and close, control and protect electrical equipment during the process of power generation, transmission, distribution and power conversion in the power system. The components in the switchgear mainly include circuit breakers, isolating switches, load switches, Composed of operating mechanism, transformer and various protection devices, there are many classification methods of switch cabinets. For example, according to the installation method of circuit breaker, it can be divided into removable switch cabinet and fixed switch cabinet; or according to the different cabinet structure, it can be divided into They are open switchgear, metal-enclosed switchgear, and metal-enclosed armored switchgear; according to different voltage levels, they can be divided into high-voltage switchgear, medium-voltage switchgear and low-voltage switchgear, etc., mainly suitable for power plants, substations, Various occasions such as petrochemical industry, metallurgy and steel rolling, light industry and textile, factories and mines, residential quarters, high-rise buildings, etc.

At present, the common switch cabinets on the market generally have certain deficiencies. The installation position design of some internal components of the switch cabinet is not compact enough and wastes space. If there is a fault, there is no means of preliminary maintenance. For some equipment with a long overall length and cannot be seen from the beginning to the end, if only the switchgear is used to control the power consumption of the equipment, it may be too late to respond when an emergency occurs. The switch cabinet cannot be controlled at any time when it is far away from the switch cabinet, which will easily cause unnecessary losses in terms of equipment and production.

Therefore design a kind of switchgear that can visually observe the internal situation of the drawer, the protection level of the observation window is high, the structure is novel, the circuit can be controlled on both sides, and the operation is convenient and quick, which is exactly the problem that the inventor will solve.

Utility model content

Aiming at the deficiencies of the existing technology, the purpose of this utility model is to provide a new type of low-voltage switchgear, which can realize the visual observation of the internal situation of the drawer, the observation window has a high protection level, the structure is novel, the circuit can be controlled on and off on both sides, and the operation is convenient and fast. function.

The technical solution adopted by the utility model to solve the technical problems is: a new low-voltage switchgear, which includes a suspension ring, a nameplate, an indicator light, a switch operation handle, a drawer handle, an ammeter, a tempered glass window, a door handle, a mechanical lock, Fixing parts, movable sliding doors, slideways, mechanical baffles, external junction boxes, terminal double-control switches, wire conduits, cabinet frames, copper busbars, connecting wires, heat-dissipating side panels, insulators, internal junction boxes, Bus bar clamp, the inside of the cabinet frame is provided with a copper bus bar, the copper bus bar is fixed on the cabinet frame, and the connection between the copper bus bar and the cabinet frame is provided with insulators to connect the copper bus bar and the cabinet body The frame is isolated. There are several busbar clamps arranged on the inner upper part of the cabinet frame. The busbars are arranged inside the busbar clamps. The busbars are introduced from the outside. Six unit drawers are arranged inside the cabinet frame. The six unit drawers The specifications and sizes of the drawers can be equipped according to actual needs. The stacked height of the six unit drawers is less than the total height of the internal space of the cabinet frame. The bus bars are respectively connected to the electronic components in the six unit drawers. The cabinet frame The inner lower part is provided with an internal junction box, and the electronic components in the six unit drawers are respectively connected to the internal junction box through connecting wires, and the six unit drawers are separated by the cabinet frame respectively, and the six unit drawers are separated by the cabinet frame. Both sides of each unit drawer are provided with heat-dissipating side panels, four suspension rings are respectively provided at the four corners of the upper end of the cabinet frame, a nameplate is provided on the outer end surface of the cabinet frame, and a nameplate is provided on the outside of the cabinet frame. There is an external distribution box, the external distribution box is connected to six wire tubes, the six wire tubes are respectively connected to six terminal double-control switches, the internal junction box is connected to the external distribution box, and the internal The six connecting wires connected together by the junction box pass through the six wire tubes through the outer junction box and connect to the six terminal double-control switches respectively. The cabinet frame is equipped with a mechanical lock on the digging side. The fixing part is fixed on the cabinet frame, and the sides of the mechanical lock are respectively connected with six mechanical baffles;

The structures on the end surfaces of the six unit drawers are all the same, the drawer handles are arranged on the end surfaces of the unit drawers, a switch operation handle is arranged above the drawer handle, an indicator light is arranged on one side of the switch operation handle, and the indication An ammeter is arranged on one side of the lamp, a rectangular through hole is opened on the end surface of the unit drawer, a tempered glass window is arranged inside the rectangular through hole, and two slideways are respectively arranged at the upper and lower ends of the tempered glass window, and the slideway The rails are fixed on the end face of the unit drawer, a movable sliding door is arranged between the two slide rails, and a sliding door handle is arranged on the end face of the movable sliding door.

Further, the fixing part is hollow inside and has a strip-shaped through hole on the side, and a push handle is provided on the side of the mechanical lock, and the push handle passes through the strip-shaped through hole provided on the fixing part, and the mechanical lock can be moved up and down. Move, the range of movement is limited by the size of the bar-shaped through-holes opened on the side of the fixture.

Further, the six mechanical baffles move with the movement of the mechanical lock, and when the mechanical lock is in the closed state at the lowest point, the six mechanical baffles overlap the six unit drawers in the horizontal direction.

Further, a heat dissipation type end plate is provided on the end surface of the cabinet frame, and a plurality of inclined strip-shaped through holes are provided on the heat dissipation section surface.

Further, the six terminal double-control switches are connected to the six switch operating handles provided on the six unit drawers by means of double-control switch wiring.

Further, the movable sliding door can slide horizontally within the length of the slideway.

Further, the length of the toughened glass window is half of the length of the slideway, and the length of the movable sliding door is greater than the length of the toughened glass window.

Further, the terminal double control switch can be installed at any position, and the length of the wire tube can be adjusted at will.

The beneficial effects of the utility model are:

1. By adopting a unique structural design, the utility model sets up an observation window on the unit drawer and strengthens the protection, so as to realize the functions of visually observing the internal situation of the drawer, a high protection level of the observation window, and a novel structure.

2. The utility model learns from the working principle of the double control switch and is equipped with a double control switch to simultaneously control the power on and off of the equipment, realizing the function of double-sided control circuit on and off, convenient and quick operation, reducing the accident rate and reducing the workload.

Description of drawings

Fig. 1 is a front view of the utility model.

Fig. 2 is a view of the internal structure of the utility model.

Fig. 3 is a wiring diagram of the terminal double control switch of the present invention.

Explanation of reference signs: 1-hanging ring; 2-nameplate; 3-indicating light; 4-switch operation handle; 5-drawer handle; 6-ammeter; 7-tempered glass window; 8-sliding door handle; 9-mechanical lock; 10-Fixer; 11-Active sliding door; 12-Slide; 13-Mechanical block; 14-External junction box; 15-Terminal double control switch; 16-Wire tube; 17-Cabinet frame; Bus bar; 19-connecting wire; 20-radiating side plate; 21-insulator; 22-internal junction box; 23-bus clamp.

Detailed ways

The utility model will be further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the utility model and are not intended to limit the scope of the utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the appended claims of the application.

1 to 3 are the front view of the utility model, the internal structure view, and the wiring diagram of the terminal double control switch 15, which include a suspension ring 1, a nameplate 2, an indicator light 3, a switch operation handle 4, a drawer handle 5, an ammeter 6, and tempered glass Window 7, sliding door handle 8, mechanical lock 9, fixing piece 10, movable sliding door 11, slideway 12, mechanical shutter 13, external junction box 14, terminal double control switch 15, wire pipe 16, cabinet frame 17 , copper busbar 18, connecting wire 19, heat dissipation side plate 20, insulator 21, internal junction box 22, busbar clamp 23, copper busbar 18 is arranged inside the cabinet frame 17, and copper busbar 18 is fixed on the cabinet frame 17, copper busbars 18 and cabinet frame 17 joints are provided with insulators 21 to isolate copper busbars 18 and cabinet frame 17, and a number of bus clamps 23 are arranged on the upper part of the inner side of the cabinet frame 17, and the inner side of the bus clamps 23 are arranged There are busbars, and the busbars are introduced from the outside. There are six unit drawers inside the cabinet frame 17. The specifications and sizes of the six unit drawers can be equipped according to actual needs. The stacked height of the six unit drawers is smaller than the internal space of the cabinet frame 17. Overall height, the busbars are respectively connected to the electronic components in the six unit drawers, and the inner lower part of the cabinet frame 17 is provided with an internal junction box 22, and the electronic components in the six unit drawers are respectively connected to the internal junction box 22 through connecting wires 19. The two unit drawers are separated by the cabinet frame 17 respectively, and the two sides of the six unit drawers are provided with heat-dissipating side panels 20, and the four corners of the upper end of the cabinet frame 17 are respectively provided with four suspension rings 1. A nameplate 2 is arranged on the outer end surface of the body frame 17, and an external junction box 14 is arranged on the outer side of the cabinet frame 17. The outer junction box 14 is respectively connected to six wire pipes 16, and the six wire pipes 16 are respectively connected to six terminal double-control switches. 15. The internal junction box 22 is connected to the external junction box 14, and the six connecting wires 19 connected with the internal junction box 22 pass through the six wire conduits 16 through the external junction box 14 and respectively connect to the six terminal double Control switch 15, cabinet frame 17 digging side is provided with mechanical lock 9, and mechanical lock 9 is fixed on the cabinet frame 17 by fixture 10, and mechanical lock 9 sides are respectively connected with six mechanical baffles 13;

The structure composition on the end faces of the six unit drawers is the same, the drawer handle 5 is arranged on the end face of the unit drawer, the switch operation handle 4 is arranged above the drawer handle 5, the indicator light 3 is arranged on the side of the switch operation handle 4, and the indicator light 3 is arranged on the side There is an ammeter 6, a rectangular through hole is opened on the end face of the unit drawer, and a tempered glass window 7 is arranged inside the rectangular through hole, and two slideways 12 are respectively arranged at the upper and lower ends of the tempered glass window 7, and the slideways 12 are fixed on the end face of the unit drawer A movable sliding door 11 is arranged between the two slideways 12, and a sliding door handle 8 is arranged on the end face of the movable sliding door 11.

The interior of the fixture 10 is hollow and has a strip-shaped through hole on the side. The side of the mechanical lock 9 is provided with a push handle. The push handle passes through the strip-shaped through-hole provided on the fixture 10. The mechanical lock 9 can move up and down. The size of the bar-shaped through hole on the side of part 10 is limited, and the six mechanical baffles 13 move with the movement of the mechanical lock 9. When the mechanical lock 9 is in the closed state at the lowest point, the six mechanical baffles 13 are horizontally aligned with the six mechanical locks 13 in the horizontal direction. Each unit drawer overlaps, and the end face of the cabinet body frame 17 is provided with a heat-dissipating end plate, and a number of inclined strip-shaped through holes are provided on the heat-dissipating section. The operating handles 4 are connected in the way of double-control switch wiring. The movable sliding door 11 can slide horizontally within the length of the slideway 12. The length of the tempered glass window 7 is half of the length of the slideway 12. The length of the movable sliding door 11 is longer than that of tempered glass. The length of the window 7, the terminal double control switch 15 can be installed in any position, and the length of the line pipe 16 can be adjusted arbitrarily.

The utility model has a compact structural design and can accommodate more functional units in a smaller space. The division of the space in the cabinet also brings the possibility of deepening the drawer. To a certain extent, it can meet various structural forms. The glass window 7 not only meets and protects the requirements but also can carry out preliminary maintenance of the electronic components inside the drawer without dismantling the drawer, which reduces the workload of the maintenance work. There is no need to worry about damage to internal components due to broken glass windows. An internal junction box 22 is arranged inside the cabinet frame 17 to gather the connecting wires 19 derived from each unit drawer into one place and uniformly connect them to the external junction box 14. The external junction box 14 is respectively connected to the dual-control switch 15 of each terminal. The novel dual-control concept changes the traditional one switch to control the power supply of the power terminal to two switches at different positions to jointly control the power consumption. Terminal power consumption, when supplying power to long equipment, if workers are at the tail of the equipment, they only need to operate the terminal double control switch 15 to control the electrification of the entire equipment, without having to reach the switch cabinet to operate the switch operating handle 4, which saves Time, but also to avoid accidents when operators operate the switch handle.

The utility model adopts a unique structural design to open an observation window on the unit drawer and strengthen the protection to realize the functions of visually observing the internal situation of the drawer, a high protection level of the observation window, and a novel structure. By referring to the working principle of the double-control switch, Equipped with dual control switches to simultaneously control the power on and off of the equipment, realizing the function of double-sided control circuit on and off, convenient and quick operation, reducing the incidence of accidents and reducing the burden of work.

Claims (8)

1. a kind of novel low-pressure switch device, it is characterised in that：Including hanging ring, nameplate, indicator light, switching manipulation handle, drawer Handle, ammeter, toughened glass window, sliding door handle, mechanical lock, fixing piece, active pulling-door, slideway, mechanical catch, external separated time Box, terminal double control switch, spool, cabinet body frame, copper bus-bar, connecting wire, heat radiating type side plate, insulator, inner-hub box, mother Wire clamp, the cabinet body frame inside are provided with copper bus-bar, and the copper bus-bar is fixed on cabinet body frame, the copper bus-bar and cabinet The junction of frame is both provided with insulator and copper bus-bar is isolated with cabinet body frame, if the cabinet body frame inside upper part is provided with Fundatrix wire clamp, the bus clip inside are provided with busbar, and the busbar is introduced from outside, and six are provided on the inside of the cabinet body frame The specification of a unit drawer, six unit drawers can be equipped with according to actual demand, six unit drawers The height being stacked is less than cabinet body frame inner space total height, and the busbar is separately connected the electricity in six unit drawers Subcomponent, the cabinet body frame lower inside are provided with inner-hub box, the electronic component difference in six unit drawers Inner-hub box is connected by connecting wire, is separated respectively by cabinet body frame between six unit drawers, it is described Six unit drawer both sides are both provided with heat radiating type side plate, and the edge of the cabinet body frame upper end four is respectively set that there are four hang Ring, cabinet body frame outer end face top are provided with nameplate, external junction box, the outside are provided on the outside of the cabinet body frame Junction box is separately connected six spools, and six spools are separately connected six terminal double control switches, and the inner-hub box connects External junction box is connect, six connecting wires to link together with inner-hub box pass through six by external junction box respectively A spool is simultaneously separately connected six terminal double control switches, and the cabinet body frame digs side and is provided with mechanical lock, and the mechanical lock passes through Fixing piece is fixed on cabinet body frame, and the mechanical lock side is separately connected that there are six mechanical catch；

Structure composition all same on six unit drawer end faces is provided with drawer handle on the unit drawer end face, institute It states and is provided with switching manipulation handle above drawer handle, switching manipulation handle side is provided with indicator light, the indicator light Side is provided with ammeter, and rectangular through holes are provided on the unit drawer end face, steel is provided on the inside of the rectangular through holes Change windowpane, the toughened glass window upper and lower ends are respectively set there are two slideway, and the slideway is fixed on unit drawer end face On, it is provided with active pulling-door between described two slideways, sliding door handle is provided on the active pulling-door end face.

2. a kind of novel low-pressure switch device according to claim 1, it is characterised in that：The fixing piece inner hollow and Side is provided with strip through-hole, and the mechanical lock side is provided with promotion handle, and the promotion handle is passed through to be arranged on fixing piece and be opened If strip through-hole, the mechanical lock can move up and down, the strip through-hole specification that moving range is opened up by fixing piece side Limitation.

3. a kind of novel low-pressure switch device according to claim 1, it is characterised in that：Described six mechanical catch are random Tool lock is mobile and moves, mechanical lock when minimum point is closed, in six mechanical catch horizontal directions respectively with six Unit drawer is overlapped.

4. a kind of novel low-pressure switch device according to claim 1, it is characterised in that：It is set on the cabinet body frame end face It is equipped with heat radiating type end plate, several inclined strip through-holes are provided on the heat radiating type section.

5. a kind of novel low-pressure switch device according to claim 1, it is characterised in that：Six terminal double control switches With double control switch mode of connection wiring is used between six switching manipulation handles being arranged on six unit drawers.

6. a kind of novel low-pressure switch device according to claim 1, it is characterised in that：The active pulling-door can be in slideway Horizontal direction is slided in length range.

7. a kind of novel low-pressure switch device according to claim 1, it is characterised in that：The toughened glass window length is The half of slideway length, the active pulling-door length are more than the length of toughened glass window.

8. a kind of novel low-pressure switch device according to claim 1, it is characterised in that：The terminal double control switch can pacify Mounted in any position, the spool length can be adjusted arbitrarily.