CN210577088U

CN210577088U - Low-voltage fixed separation type switch cabinet

Info

Publication number: CN210577088U
Application number: CN201921404017.8U
Authority: CN
Inventors: 赵奇来; 苏宇; 王红兵; 焦亮; 徐雯; 肖兆斌; 张小英; 邓利辉
Original assignee: Gansu Great Wall Electrical Engineering And Electrical Appliance Engineering Research Institute Co ltd; Tianshui Great Wall Control Electric Co ltd
Current assignee: Gansu Great Wall Electrical Engineering And Electrical Appliance Engineering Research Institute Co ltd; Tianshui Great Wall Control Electric Co ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-05-19
Anticipated expiration: 2029-08-27

Abstract

The utility model discloses a cellular-type cubical switchboard is fixed to low pressure belongs to the electrical equipment field to solve the drawback of integral erection in the current feed return circuit electrical components cabinet, the security performance reduces the scheduling problem. The utility model comprises a cabinet body framework, a rear door plate, a front door plate, a clapboard, a bus chamber, a function chamber and a cable chamber, wherein the rear door plate and the front door plate are arranged on the cabinet body framework; the baffle includes horizontal baffle, perpendicular baffle and shutoff baffle, and the inside front side of cubical switchboard is from last to vertically being equipped with a plurality of horizontal baffle down along, is separated for function room and cable chamber by perpendicular baffle from the past to the back in every horizontal baffle, is equipped with the shutoff baffle at the cable chamber rear. Good separation is realized, and the operation safety is ensured. The heating temperature rise condition generated by repeated plugging and unplugging of the primary and secondary plugging contacts is avoided, and meanwhile, the movable point overlapping is reduced, and the occurrence of faults is also reduced.

Description

Low-voltage fixed separation type switch cabinet

Technical Field

The utility model belongs to the electrical equipment field, concretely relates to cellular-type cubical switchboard is fixed to low pressure.

Background

The traditional low-voltage switch cabinet has two electric element installation modes in a feed circuit. One is that all the electric elements of the feed circuit are integrally installed on the installation beam of the cabinet frame of the switch cabinet, when one or more circuits in the feed circuit have faults, other circuits are possibly affected by safe operation, so that the whole feed cabinet cannot be normally used, and great economic loss is caused to users. Another way is to install the individual power supply circuits in separate drawer units, which prevents the power supply circuits from affecting each other and has disadvantages. Firstly, the drawer unit needs to use a fixed primary and secondary plug connector to complete external primary and secondary wiring, and the primary and secondary plug connectors can generate the situation of bending deformation of a contact due to frequent operation of a pushing mechanism of the drawer unit, so that unnecessary mechanical damage is caused; the contact surface of the primary and secondary plug-in components and the matched part thereof have aging condition to cause the phenomenon of heat resistance; because the lubrication of the contact is not in place, the abrasion of the contact is increased, and the temperature rise at the contact is abnormal. Secondly to heavy current drawer unit, the weight of component body adds the weight behind annex and the wiring for the whole weight of drawer unit is very heavy, and required propulsion dynamics will be very big, just can overlap joint with a secondary plug connector coincidence, also can have the condition that drawer unit impels not in place, not only influences the drawer and impels and pull out, still can reduce the security performance scheduling problem, for overcoming these defects that appear in the low-voltage switchgear, the present product that need a can replace low-voltage switchgear electric elements installation form, and the distribution that can better solve above problem accuse electricity.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cellular-type cubical switchboard is fixed to low pressure to solve the drawback of integral erection in the current feed return circuit electrical components cabinet, the security performance reduces the scheduling problem.

The utility model discloses technical scheme as follows: a low-voltage fixed separation type switch cabinet comprises a cabinet body framework, a rear door plate, a front door plate, a partition plate, a bus chamber, a functional chamber and a cable chamber, wherein the rear door plate and the front door plate are arranged on the cabinet body framework; the baffle includes horizontal baffle, perpendicular baffle and shutoff baffle, and the inside front side of cubical switchboard is from last to vertically being equipped with a plurality of horizontal baffle down along, is separated for function room and cable chamber by perpendicular baffle from the past to the back in every horizontal baffle, is equipped with the shutoff baffle at the cable chamber rear.

Furthermore, a power distribution bus chamber which is through up and down is separated from the rear part of the cable chamber by a side plugging clapboard, and a power distribution bus clamp and a power distribution bus are arranged in the power distribution bus chamber.

Furthermore, an insulated grid is arranged behind the distribution bus chamber. The secondary insulation barrier protection effect is achieved.

Furthermore, a bus insulating plate and a bus wire outlet hole are arranged on the blocking clapboard.

Furthermore, the cabinet body skeleton department of meeting is equipped with the reinforcement, connects the fastening.

Further, the partition plate is an aluminum-zinc coated plate.

The utility model is characterized in that:

(1) when an electric loop in a primary and secondary electric element chamber of a low-voltage fixed partition type switch cabinet breaks down, a cabinet body structure has the function of separating functional units, the normal operation and the work of other functional units cannot be influenced, and the blocking effect of accidents is achieved.

(2) The horizontal partition plate, the vertical partition plate and the plugging partition plate realize good separation and ensure safe operation. A secondary plug connector is removed from a switch cabinet, electrical elements and wiring modes in a secondary electrical element chamber are fixedly connected, movable point overlapping is reduced, incoming wires of primary elements are directly connected with a distribution bus, outgoing wires can be connected through an insulating wire holder or a bus insulator according to the current, and convenience is brought to users for external wiring. Therefore, the situation of heating and temperature rise caused by repeated plugging and unplugging of the primary and secondary plug contacts is avoided, the overhaul and maintenance of the primary and secondary plug contacts are also avoided, the lap joint of movable points is reduced, and the occurrence of faults is also reduced.

(3) The maximum rated current of the switch cabinet can be made to 6300A. The power system is suitable for three-phase four-wire system and three-phase five-wire system power system with 50 Hz, 60Hz, 690V rated voltage, 6300A rated current and below, and is used for receiving and distributing electric energy. The method is widely applied to occasions such as power distribution centers and motor control centers of power plants, transformer substations, industrial and mining enterprises and high-rise buildings.

Drawings

Fig. 1 is a schematic structural view of a low-voltage fixed-partition type switch cabinet;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a rear view of a low voltage fixed-partition switchgear with the rear door panel removed;

FIG. 4 is a top view of FIG. 1;

fig. 5 is a top view of fig. 3 with the top plate removed.

The notations in the figures have the following meanings: 1. a main bus clamp; 2. a main bus bar chamber; 3. a distribution bus bar clamp; 4. a distribution bus bar room; 5. a cabinet body framework; 6. a rear door panel; 7. a front door panel; 8. a reinforcement; 9. an insulated grid; 101. a horizontal partition plate; 102. a vertical partition; 103. plugging the partition plate; 104. a side plugging baffle plate; 11. a cable chamber; 12. a functional chamber; 21. a main bus; 31. a distribution bus; 32. N/PE bus; 33. a bus wire outlet hole; 34. a bus insulating plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings

As shown in the figure, the low-voltage fixed separation type switch cabinet comprises a cabinet body framework 5, a rear door plate 6, a front door plate 7, a partition plate, a bus chamber, a function chamber 12 and a cable chamber 11, wherein the rear door plate 6 and the front door plate 7 are installed on the cabinet body framework 5. The joint of the cabinet body framework 5 is provided with a reinforcing member 8. The bus chamber comprises a main bus chamber 2 and a distribution bus chamber 4, and the main bus chamber 2 is positioned at the top of the switch cabinet; the main bus bar chamber 2 is provided with a main bus bar clamp 1 and a main bus bar 21, and an N/PE bus bar 32 is arranged at the rear bottom position of the switch cabinet.

The partition plates comprise horizontal partition plates 101, vertical partition plates 102 and blocking partition plates 103, a plurality of horizontal partition plates 101 are longitudinally arranged on the front side in the switch cabinet from top to bottom, each horizontal partition plate 101 is internally longitudinally divided into a function chamber 12 and a cable chamber 11 from front to back by the vertical partition plates 102, and the blocking partition plates 103 are arranged behind the cable chamber 11. The blocking partition plate 103 is provided with a bus insulating plate 34 and a bus outlet hole 33.

The rear part of the cable chamber 11 is divided into a power distribution bus chamber 4 which is through up and down by a side blocking partition plate 104, and a power distribution bus clamp 3 and a power distribution bus 31 are arranged in the power distribution bus chamber 4. An insulated grid 9 is arranged behind the distribution bus chamber 4.

In the embodiment, the cabinet body framework 5 is made of C-shaped steel materials, the cabinet body framework 5 is assembled according to engineering requirements, and the cabinet body framework is assembled and combined with each other by bolts. The front door plate 7, the rear door plate 6 and the side door plate surface are sprayed with static electricity, and other metal parts in the structure are made of aluminum-coated zinc plate materials.

The functional chamber in the switch cabinet, namely a secondary electric element chamber, is provided with an outdoor extension operating handle of a switch on a chamber door, the handle and the door are provided with mechanical interlocks, and each functional unit cannot open the chamber door under the condition that a breaker is electrified. Various measuring instruments, indicator lamps, buttons, rotary switches and the like are installed on the doors of the small chambers according to requirements, and the multifunctional desk lamp is flexible and convenient.

The separator in the present embodiment is an aluminum-zinc-coated plate. The horizontal partition plate 101 divides the feed circuit into unit heights according to the magnitude of the feed circuit current and the number of the circuits, and the corresponding front door panel 7 is manufactured according to the unit heights. A feed loop element will now be described as an example. The horizontal partition plate 101 is a partition plate, two sides of the horizontal partition plate are connected with the framework, the horizontal partition plate is longitudinally as deep as the functional chamber 12 and the cable chamber 11, the primary element can be fixedly installed on a vertical partition plate 102 by the feed circuit unit, the vertical partition plate 102 is connected with the framework, the operation space of the mechanism is ensured by the back and forth movement of the vertical partition plate 102, and the secondary element can be fixedly installed on the horizontal partition plate 101, so that the functional chamber 12 is fixedly partitioned. The cable chamber 11 is arranged behind the functional chamber 12, the rear of the cable chamber 11 is divided into two areas, four plugging partition plates are respectively arranged in the left area at the bending mounting holes of the horizontal partition plates to plug the cable chamber 11, a bus wire outlet 33 is formed in one plugging partition plate, a bus insulating plate 34 is additionally arranged, the first fast plugging partition plate and the third plugging partition plate are interchangeable, and external wiring of a user is facilitated. A side blocking partition plate 104 is arranged at the rear part of a horizontal partition plate 103 to divide a distribution bus chamber 4, a distribution bus clamp 3 and a distribution bus 31 are arranged in the distribution bus chamber 4, after the distribution bus in the distribution bus chamber 4 is fixed through an insulating clamp, an insulating grid net 9 is arranged at the rear side of the distribution bus chamber 4. The distribution bus 31 is a through-long bus and is fixed on a mounting hole bent at the rear of the horizontal partition 101 by a distribution bus clamp 3. All the partition plates are fixedly installed by bolts.

Claims

1. The utility model provides a fixed cellular-type cubical switchboard of low pressure, includes cabinet body skeleton, back door plant, preceding door plant, baffle, generating line room, function room, cable chamber, installs back door plant and preceding door plant, its characterized in that at cabinet body skeleton: the bus chamber comprises a main bus chamber (2) and a distribution bus chamber (4), and the main bus chamber (2) is positioned at the top of the switch cabinet; the baffle includes horizontal baffle (101), perpendicular baffle (102) and shutoff baffle (103), and the inside front side of cubical switchboard is from last to being equipped with a plurality of horizontal baffle (101) down along vertically, is separated for function room (12) and cable chamber (11) by perpendicular baffle (102) from the past to back along vertically in every horizontal baffle (101), is equipped with shutoff baffle (103) behind cable chamber (11).

2. A low-voltage fixed-partition switchgear, according to claim 1, characterized in that: a power distribution bus chamber (4) which is through up and down is separated by a side blocking partition plate (104) at the rear of the cable chamber (11), and a power distribution bus clamp (3) and a power distribution bus (31) are arranged in the power distribution bus chamber (4).

3. A low-voltage fixed-partition switchgear, according to claim 1 or 2, characterized in that: an insulated grid (9) is arranged behind the distribution bus chamber (4).

4. A low-voltage fixed-partition switchgear, according to claim 3, wherein: and the blocking partition plate (103) is provided with a bus insulating plate (34) and a bus outlet hole (33).

5. The low-voltage fixed-partition switchgear cabinet according to claim 4, wherein: the cabinet body framework (5) is provided with a reinforcing piece (8) at the joint.

6. The low-voltage fixed-partition switchgear cabinet according to claim 5, wherein: the partition board is an aluminum-coated zinc plate.