CN-224217967-U - Multicavity formula block terminal

CN224217967UCN 224217967 UCN224217967 UCN 224217967UCN-224217967-U

Abstract

The utility model relates to the technical field of distribution boxes, in particular to a multi-cavity distribution box which comprises a box body, wherein a box door is connected to the front side hinge of the box body, a height regulating mechanism is arranged in the inner space of the box body, a first supporting piece and a second supporting piece are arranged on the height regulating mechanism from top to bottom at intervals, a first radiating piece, a second radiating piece and a third radiating piece are respectively arranged at the upper part, the middle part and the lower part of the side wall of the box body at the two sides of an upper cavity, and a first electric element, a second electric element and a third electric element are respectively arranged in the upper cavity, the middle cavity and the lower cavity. The multi-chamber design of the distribution box of the utility model sorts and places different types of electric elements, so that an maintainer can quickly position the chamber in which the element to be overhauled is positioned, and each electric element is exposed from the periphery in a bottom or top mounting mode, thereby facilitating direct contact inspection and reducing overhauling time and difficulty.

Inventors

QI GUANGCHAO
XU XIZHEN
CHEN JINFENG
ZHANG JUNMEI
WANG YITAO
DUAN YAN
MA JIAN
ZHU TIANRAN
SUN ZHE
RUAN WEIWEI
YANG YANG

Assignees

兖州东方机电有限公司

Dates

Publication Date: 20260508
Application Date: 20250221

Claims (10)

1. The multi-cavity type distribution box is characterized by comprising a box body, wherein a box door is connected to the front side hinge of the box body, a height regulating mechanism is arranged in the inner space of the box body, a first supporting piece and a second supporting piece are arranged on the height regulating mechanism from top to bottom at intervals, the inner space of the box body is divided into an upper cavity, a middle cavity and a lower cavity by the first supporting piece and the second supporting piece in sequence, a first heat radiating piece, a second heat radiating piece and a third heat radiating piece are respectively arranged on the upper part, the middle part and the lower part of the side walls of the two side boxes of the upper cavity, the relative interval distance between the first supporting piece and the second supporting piece is adjustable, a first electric element, a second electric element and a third electric element are respectively arranged in the upper cavity, the middle cavity and the lower cavity, the first electric element is arranged on the top of the first supporting piece, the second electric element is arranged on the top of the second supporting piece, and the third electric element is arranged on the bottom of the second supporting piece.
2. A multi-cavity distribution box according to claim 1, wherein the height adjusting mechanism comprises four fixed screw pipes which are respectively fixed at four corners of the bottom of the inner space of the box body, a rectangular is formed by connecting lines at the centers of the fixed screw pipes, a vertical screw rod is respectively screwed above each fixed screw pipe, a threaded through hole at the corresponding position of the top of the box body is respectively screwed at the top of each vertical screw rod, top locking nuts are respectively screwed on the external threaded side walls of each vertical screw rod at the top of the box body, and four corners of the first supporting piece and the second supporting piece are respectively arranged on the external threaded side walls of the corresponding four vertical screw rods.
3. The multi-cavity distribution box according to claim 2, wherein the first supporting member comprises a first partition plate horizontally arranged at the upper part of the inner space of the box body, through holes sleeved on the outer side walls of the vertical screws are respectively arranged at four corners of the first partition plate, first locking nuts are respectively screwed on the outer thread side walls of the vertical screws at the upper part and the lower part of each first partition plate, and the first locking nuts which are oppositely arranged are matched to clamp and position the first partition plate, and the first electric element is arranged at the top of the first partition plate.
4. A multi-cavity distribution box according to claim 3 is characterized in that the second supporting piece comprises a second partition board horizontally arranged in the middle of the inner space of the box body, through holes sleeved on the outer side walls of the vertical screws are respectively arranged at four corners of the second partition board, second locking nuts are respectively screwed on the outer thread side walls of the vertical screws at the upper part and the lower part of each second partition board, the two oppositely arranged second locking nuts are matched to achieve clamping and positioning of the second partition board, the second electric element is arranged at the top of the second partition board, and the third electric element is arranged at the bottom of the second partition board.
5. A multichamber power distribution box as in claim 4 wherein top heat sinks are mounted on each side of the top of said box.
6. A multi-cavity electrical box as claimed in claim 5, wherein each of the first heat sink, each of the second heat sink, each of the third heat sink, and each of the top heat sink are air-cooled heat sinks.
7. A multichamber power distribution box as in claim 6 wherein said air cooled radiator comprises an air duct fixedly mounted to the box at a vent corresponding to said box, and a cooling fan is mounted at the outlet end of said air duct.
8. A multichamber electric distribution box as in claim 7 wherein said first electric element comprises a circuit breaker and a transformer mounted inside said upper chamber, said circuit breaker and said transformer are both electrically connected to a busbar, and the bottoms of the busbar, circuit breaker and transformer are all fixed to the top of said first support.
9. A multi-cavity type distribution box according to claim 8, wherein the second electric element comprises a contactor and a surge protector which are arranged in the middle cavity, the surge protector is connected with a power inlet wire of the distribution box in a circuit mode, the inlet wire end of the contactor is connected with a power wire led out from a first wiring terminal, the first wiring terminal is connected with a bus bar, and the bottoms of the contactor, the surge protector and the first wiring terminal are fixedly arranged at the top of the second supporting piece.
10. A multichamber electric distribution box as in claim 9 wherein the third electrical element comprises a thermal relay, a miniature circuit breaker and a second wiring terminal which are arranged in the lower chamber, wherein the tops of the thermal relay, the miniature circuit breaker and the second wiring terminal are fixedly arranged at the bottom of the second supporting piece, the inlet wire end of the thermal relay is connected with the outlet wire end of the contactor, the outlet wire end of the thermal relay is connected with a matched load, the outlet branch wire of the bus bar is connected with the inlet wire end of the miniature circuit breaker, and the outlet wire end of the miniature circuit breaker is connected with the matched load through the second wiring terminal.

Description

Multicavity formula block terminal Technical Field The utility model relates to the technical field of distribution boxes, in particular to a multi-cavity distribution box. Background A distribution box is an electric device for centrally controlling and distributing electric power, and is generally installed in a building, a factory, a mall, etc. The structure of traditional block terminal mainly includes box and inside electrical component two big parts, and box part comprises shell and chamber door, and inside still can fixed mounting support and baffle in general, the inside electrical component part of configuration in the box. Through retrieving, disclose the block terminal with block terminal mounting bracket in patent application number CN202121885432.7, its main structure includes the block terminal, and block terminal upper end middle part fixedly connected with radiator fan, and block terminal front end left part swing joint has the block terminal chamber door, and it has the wiring groove to open before the block terminal, and the wiring groove left cell wall middle part and right cell wall middle part all open the louvre of controlling the punch-through, and the cell wall is opened behind the wiring groove has four front and back feed-through inlet holes. It can be seen that the electrical components inside the distribution box are intensively mounted on the rear side wall, and heat generated during operation is easily accumulated locally. In addition, although the distribution box is provided with the heat radiation fan and the heat radiation holes, the single cavity is not beneficial to orderly discharging of hot air and effective replenishment of cold air, and uneven temperature distribution in the box can be caused. All electrical components are mounted on the rear side wall, and when it is necessary to repair or replace a certain component, the operation is inconvenient due to space limitation and component concentration. Particularly, under the conditions of more elements and complicated circuits, maintenance personnel are difficult to quickly and accurately find out and operate the fault elements, and the maintenance difficulty and the time cost are increased. Based on the structure, the utility model designs a distribution box structure with a plurality of chambers, which is used for better solving the problems in the prior art. Disclosure of Invention The multi-cavity type distribution box comprises a box body, wherein a box door is connected to the front side hinge of the box body, a height adjusting mechanism is arranged in the inner space of the box body, a first supporting piece and a second supporting piece are arranged on the height adjusting mechanism from top to bottom at intervals, the inner space of the box body is divided into an upper cavity, a middle cavity and a lower cavity by the first supporting piece and the second supporting piece in sequence, a first heat radiating piece, a second heat radiating piece and a third heat radiating piece are respectively arranged on the upper part, the middle part and the lower part of the side wall of the box body on two sides of the upper cavity, the relative interval distance between the first supporting piece and the second supporting piece is adjustable, a first electric element, a second electric element and a third electric element are respectively arranged in the upper cavity, the middle cavity and the lower cavity, the first electric element is arranged on the top of the first supporting piece, the second electric element is arranged on the top of the second supporting piece, the second electric element is arranged on the bottom of the second supporting piece, and the third electric element is arranged on the bottom of the second supporting piece. In any of the above solutions, preferably, the height adjusting mechanism includes four fixing screw pipes respectively fixed at four corners of the bottom of the internal space of the box, a rectangular is formed by connecting lines at the centers of the fixing screw pipes, a vertical screw is respectively screwed above each fixing screw pipe, a threaded through hole at a position corresponding to the top of the box is screwed out from the top of each vertical screw, a top locking nut is respectively screwed on an external threaded side wall of each vertical screw at the top of the box, and four corners of the first support piece and the second support piece are respectively mounted on the external threaded side walls of the corresponding four vertical screws. In any of the above solutions, preferably, the first supporting member includes a first partition plate horizontally disposed on an upper portion of an inner space of the case, through holes sleeved on outer side walls of the vertical screws are respectively disposed at four corners of the first partition plate, first locking nuts are respectively screwed on outer thread side walls of the vertical screws on an upper portion and