CN221202493U - Be provided with protection machanism's collection flow box - Google Patents

Abstract

The utility model discloses a junction box with a protection mechanism, which relates to the technical field of junction boxes and comprises a metal box body, a sealing door, a leakage detection mechanism and an insulating protection rod, wherein the sealing door is rotatably arranged at the front end of the metal box body; the electric leakage detection mechanism is provided with four electric leakage detection mechanisms and is respectively arranged on the left inner wall, the right inner wall, the rear inner wall and the sealing door of the metal box body, the two insulating protection rods are arranged up and down, the two ends of each insulating protection rod are connected with the metal box body in a hinged mode, the metal box body is provided with a driving mechanism for driving the insulating protection rods to swing around the hinge point of the metal box body, and when the electric leakage detection mechanism detects electric leakage of the metal box body or the sealing door, the driving mechanism is triggered to act so that the middle part of each insulating protection rod is arranged on the front side of the sealing door. The utility model can detect whether the electric leakage exists in the metal box body, and can place the insulating protection rod at the front side of the sealing door to play a role in reminding and protecting when the electric leakage is detected.

Description

Be provided with protection machanism's collection flow box

Technical Field

The utility model relates to the technical field of junction boxes, in particular to a junction box with a protection mechanism.

Background

The collection flow box is a collection flow connection combination structure of a power generation system, and is generally installed outdoors, the outdoor environment is complex and changeable, the collection flow box shell is generally made of metal materials, the corrosion resistance of the metal materials is strong, the hardness is high, and the collection flow box is not easy to damage in the outdoor installation.

The conflux case of application number CN202259364U, box have an opening, and are equipped with the sand grip around the opening edge, still offer the cable conductor business turn over hole on the box. The case cover is covered on the case body, and the edge of the case cover is correspondingly provided with a groove which is clamped with the convex strips. The connector passes through the cable wire access hole and is provided with a threading hole, and the outer wall of the connector is tightly contacted with the edge of the cable wire access hole. The bus box is clamped with the grooves through the raised strips, so that the box body and the box cover achieve the sealing effect, water is prevented from entering the box body from the contact position of the box body and the box cover, the connector is penetrated into the cable wire inlet and outlet holes on the side wall of the box body, the outer wall of the connector is tightly contacted with the edges of the cable wire inlet and outlet holes, and water is prevented from entering the box body from the connection position of the connector and the box body, and therefore, the bus box has good waterproof performance; this collection flow box does not is provided with electric leakage protection structure, and when its installation appears the condition of electric leakage when outdoor use, the staff takes place the condition of electric shock easily when opening the cabinet body.

The current partial collection flow box is installed when outdoor use, receives the circumstances that the electric leakage appears easily of environmental impact such as thunder and lightning, and the staff is when opening collection flow box cabinet door and overhauls, and the danger of electric shock takes place easily under the circumstances of unknown electric leakage, is unfavorable for the safety maintenance to use collection flow box.

It is necessary to design a junction box provided with a protection mechanism against the above-described problems.

Disclosure of utility model

The utility model aims to provide a junction box with a protection mechanism, which solves the problems that in the prior art, when the existing part of junction box is installed outdoors, the situation that electric leakage is easy to occur due to the influence of lightning and other environments, the danger of electric shock is easy to occur under the condition that the electric leakage is unknown when a worker opens a junction box door for maintenance, the junction box is unfavorable for safety maintenance and the like.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a be provided with collection flow box of protection machanism, includes metal box, sealing door, electric leakage detection mechanism and insulating protection pole, sealing door rotates the front end of installing at metal box; the electric leakage detection mechanism is provided with four electric leakage detection mechanisms and is respectively arranged on the left inner wall, the right inner wall, the rear inner wall and the sealing door of the metal box body, the two insulating protection rods are arranged up and down, the two ends of each insulating protection rod are connected with the metal box body in a hinged mode, the metal box body is provided with a driving mechanism for driving the insulating protection rods to swing around the hinge point of the metal box body, and when the electric leakage detection mechanism detects electric leakage of the metal box body or the sealing door, the driving mechanism is triggered to act so that the middle part of each insulating protection rod is arranged on the front side of the sealing door.

Further, the electric leakage detection mechanism comprises a limiting frame, an electric leakage sensor and a detection block, wherein the limiting frame is fixed on the inner wall of the metal box body and the sealing door, the electric leakage sensor is arranged on the limiting frame, and the detection block is positioned on the electric leakage sensor and is used for being in contact with the metal box body and the sealing door.

Further, the leakage sensor is connected with the limiting frame in a clamping mode.

Further, the limit frame is of a 'V' -shaped structure, two ends of the limit frame are provided with V-shaped guide parts, one end of each guide part is fixed in contact with the end part of the limit frame, and the other end of each guide part is suspended.

Further, the insulating protection rod is of a U-shaped structure, and the metal box body is located on the inner side of the insulating protection rod.

Further, the driving mechanism comprises fluted discs, a transmission frame and an air cylinder, wherein the fluted discs are in two groups which are arranged up and down, one group of fluted discs positioned above is fixedly connected with two end parts of the upper insulating protection rod, and the other group of fluted discs positioned below is fixedly connected with two end parts of the lower insulating protection rod; the cylinder is fixed on the metal box, the piston rod of cylinder and drive frame fixed connection, have two rows of tooth pieces that set up from top to bottom on the drive frame, be located the top the tooth piece meshes with the fluted disc of top, is located the below the tooth piece meshes with the fluted disc of below.

Further, the transmission frame is of a U-shaped structure and is laid down.

Further, the fluted disc is of a semicircular structure.

Further, a driving frame is fixed at the end part of a piston rod of the air cylinder, movable shielding plates are fixed at the two ends of the driving frame and are in sliding connection with corresponding side walls of the metal box body, and the movable shielding plates are fixedly connected with the transmission frame.

Further, the driving frame is of a U-shaped structure, a positioning block is arranged in the middle of the driving frame, and the positioning block is fixedly connected with a cylinder piston rod.

Compared with the prior art, the utility model has the beneficial effects that:

1. The utility model is provided with an electric leakage detection structure, four electric leakage sensors are respectively arranged on the inner side walls of the metal box body and the sealing door through the limiting frame, and the electric leakage sensors are attached to the metal box body and the sealing door through the detection block. When outdoor receives the circumstances that the environment influences and produces the electric leakage, can sense the inside electric leakage condition of metal box fast through electric leakage detection structure to in time handle.

2. When the leakage is sensed, the cylinder operates to drive the movable shielding plate and the transmission frame to slide, and the toothed disc and the insulating protection rods are controlled to correspondingly rotate through the meshed transmission structure, so that the upper insulating protection rods and the lower insulating protection rods rotate to be shielded on the front side of the metal box body, the leakage condition of a worker can be reminded, and the situation that the worker touches the metal box body by mistake and gets an electric shock can be avoided.

Drawings

FIG. 1 is one of three-dimensional schematic of the present utility model;

FIG. 2 is a second three-dimensional schematic of the present utility model;

FIG. 3 is a schematic diagram of the assembly of the driving mechanism and the metal case of the present utility model;

FIG. 4 is a schematic view of the installation position of the leakage detection mechanism according to the present utility model;

FIG. 5 is a schematic three-dimensional view of the leakage detecting mechanism according to the present utility model;

FIG. 6 is a second three-dimensional schematic diagram of the leakage detecting mechanism according to the present utility model.

In the figure: 1. a metal box; 2. sealing the door; 3. an electric leakage detection mechanism; 31. a limiting frame; 32. limiting square grooves; 33. a leakage sensor; 34. a detection block; 35. a guide part; 4. an insulating protective rod; 5. fluted disc; 6. a guide chute; 7. a movable shutter; 8. a transmission frame; 9. tooth blocks; 10. a drive rack; 11. a positioning block; 12. and (3) a cylinder.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 6, the utility model comprises a metal box body 1, a sealing door 2, a leakage detection mechanism 3 and an insulation protection rod 4, wherein the metal box body 1 is of a cuboid structure, and the sealing door 2 is rotatably arranged at the front end of the metal box body 1. As shown in fig. 4, the leakage detection mechanism 3 is provided with four leakage detection mechanisms respectively arranged on the left inner wall, the right inner wall, the rear inner wall and the sealing door 2 of the metal box body 1, as shown in fig. 1 and fig. 2, the two insulation protection rods 4 are arranged up and down, two ends of each insulation protection rod 4 are hinged with the metal box body 1, the metal box body 1 is provided with a driving mechanism for driving the insulation protection rods 4 to swing around a hinge point of the metal box body 1, when the leakage detection mechanism 3 detects that the metal box body 1 or the sealing door 2 leaks electricity, the driving mechanism is triggered to act so that the middle part of each insulation protection rod 4 is arranged on the front side of the sealing door 2, and then the sealing door 2 is blocked from the front side, so that a worker is reminded of the leakage problem of the metal box body 1, and the situation that the sealing door 2 is opened by mistake is prevented from generating electric shock danger.

As shown in fig. 5 and 6, the leakage detecting mechanism 3 includes a stopper 31, a leakage sensor 33, and a detecting block 34, the stopper 31 has four members, and is fixed to the left side inner wall, the right side inner wall, the rear side inner wall, and the sealing door 2 of the metal case 1, respectively, the leakage sensor 33 is provided on the stopper 31, and the detecting block 34 is provided on the leakage sensor 33 for contact with the metal case 1 and the sealing door 2. Specifically, a limit square groove 32 is provided on the limit frame 31, and the detection block 34 passes through the limit square groove 32 and then contacts with the metal box 1 or the sealing door 2. The leakage sensor 33 is used for detecting whether the metal box body 1 and the sealing door 2 have leakage or not, and the leakage sensor 33 is connected with the limiting frame 31 in a clamping way, so that the assembly of the leakage sensor 33 is facilitated.

The limiting frame 31 is of a 'shape', two ends of the limiting frame 31 are provided with V-shaped guide parts 35, one end of each guide part 35 is fixed in contact with the end part of the limiting frame 31, and the other end of each guide part 35 is suspended. The guide portion 35 is provided, when the leakage sensor 33 is assembled, the leakage sensor 33 moves along the guide portion 35, presses the leakage sensor 33, enters the inner side of the limiting frame 31, and is finally clamped by the limiting frame 31.

As shown in fig. 1, the insulating protection bar 4 has a "U" shape structure, and the metal case 1 is located inside the insulating protection bar 4. One end of the insulating protection rod 4 is hinged with the left side wall of the metal box body 1, and the other end of the insulating protection rod 4 is hinged with the right side wall of the metal box body 1. When the insulating protection rod 4 is in a horizontal state, a certain distance is reserved between the insulating protection rod 4 and the sealing door 2, at this time, the middle part of the insulating protection rod 4 is arranged on the front side of the sealing door 2, and the sealing door 2 cannot be opened. When the insulating protection rod 4 is in a vertical state, a certain distance is reserved between the insulating protection rod 4 and the metal box body 1. The insulating protection rod 4 is in a vertical state or in an inclined state, and can open the sealing door 2 after the sealing door 2 is not shielded from the front side.

As shown in fig. 3, the driving mechanism includes a toothed disc 5, a transmission frame 8 and an air cylinder 12, the toothed disc 5 is two groups arranged up and down, a group of toothed discs 5 located above are fixedly connected with the corresponding ends of the upper insulating protection rod 4, and a group of toothed discs 5 located below are fixedly connected with the corresponding ends of the lower insulating protection rod 4. The cylinder 12 is fixed on the upper side wall of the metal box body 1, a piston rod of the cylinder 12 is indirectly and fixedly connected with the transmission frame 8, two rows of tooth blocks 9 which are arranged up and down are arranged on the transmission frame 8, the tooth block 9 positioned above is meshed with the fluted disc 5 positioned above, and the tooth block 9 positioned below is meshed with the fluted disc 5 positioned below. Specifically, the transmission frame 8 has a "U" -shaped structure and the transmission frame 8 is laid down. The fluted disc 5 is of a semicircular structure. The end part of a piston rod of the air cylinder 12 is fixed with a driving frame 10, two ends of the driving frame 10 are fixed with movable shielding plates 7, the movable shielding plates 7 are in sliding connection with the corresponding side walls of the metal box body 1, and the movable shielding plates 7 are fixedly connected with a transmission frame 8. The driving frame 10 is of a U-shaped structure, a positioning block 11 is arranged in the middle of the driving frame 10, and the positioning block 11 is fixedly connected with a piston rod of the air cylinder 12. As shown in fig. 2, a guide chute 6 is provided on a side wall of the metal case 1, and a movable shutter 7 is slidably connected to the guide chute 6 and moves along the guide chute 6.

When the condition of electric leakage appears in metal box 1 inside, cylinder 12 operation control locating piece 11 moves to the rear side, locating piece 11 drives drive frame 10, movable shutter 7 and drive frame 8 and slides to the rear, the drive frame 8 upper and lower avris is connected with fluted disc 5 avris meshing through tooth piece 9, under the meshing transmission structure effect, can control insulating guard bar 4 and correspond the rotation, upper and lower two sets of insulating guard bars 4 rotate the place ahead position that corresponds to metal box 1, insulating guard bar 4 shelters from the front side position that sets up at metal box 1 and sealing door 2, can remind the inside electric leakage condition of staff's metal box 1, can avoid personnel to touch the condition that the case appears electrocuteing again to a certain extent by mistake, improve the security that the case was used that converges.

The utility model is provided with an electric leakage detection structure, four electric leakage sensors are respectively arranged on the inner side walls of the metal box body and the sealing door through the limiting frame, and the electric leakage sensors are attached to the metal box body and the sealing door through the detection block. When outdoor receives the circumstances that the environment influences and produces the electric leakage, can sense the inside electric leakage condition of metal box fast through electric leakage detection structure to in time handle. When the leakage is sensed, the cylinder operates to drive the movable shielding plate and the transmission frame to slide, and the toothed disc and the insulating protection rods are controlled to correspondingly rotate through the meshed transmission structure, so that the upper insulating protection rods and the lower insulating protection rods rotate to be shielded on the front side of the metal box body, the leakage condition of a worker can be reminded, and the situation that the worker touches the metal box body by mistake and gets an electric shock can be avoided.

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

Claims (10)

1. The utility model provides a be provided with protective mechanism's collection flow box, includes metal box (1), sealing door (2), electric leakage detection mechanism (3) and insulating protection pole (4), sealing door (2) rotate the front end of installing at metal box (1); the electric leakage detection mechanism (3) is provided with four electric leakage detection mechanisms which are respectively arranged on the left inner wall, the right inner wall, the rear inner wall and the sealing door (2) of the metal box body (1), the two insulating protection rods (4) are arranged up and down, the two ends of each insulating protection rod (4) are hinged with the metal box body (1), the metal box body (1) is provided with a driving mechanism for driving the insulating protection rods (4) to swing around the hinging point of the metal box body (1), and when the electric leakage detection mechanism (3) detects electric leakage of the metal box body (1) or the sealing door (2), the driving mechanism is triggered to act so that the middle part of each insulating protection rod (4) is arranged on the front side of the sealing door (2).

2. The bus box with the protection mechanism according to claim 1, characterized in that the electric leakage detection mechanism (3) comprises a limiting frame (31), an electric leakage sensor (33) and a detection block (34), wherein the limiting frame (31) is fixed on the inner wall of the metal box body (1) and the sealing door (2), the electric leakage sensor (33) is arranged on the limiting frame (31), and the detection block (34) is positioned on the electric leakage sensor (33) and is used for being in contact with the metal box body (1) and the sealing door (2).

3. The combiner box with the protection mechanism according to claim 2, wherein the leakage sensor (33) is connected with the limiting frame (31) in a clamping manner.

4. A combiner box with a protection mechanism according to claim 3, wherein the limit frame (31) has a "]" structure, two ends of the limit frame (31) are provided with V-shaped guide portions (35), one end of the guide portion (35) is fixed in contact with the end of the limit frame (31), and the other end of the guide portion (35) is suspended.

5. The combiner box with the protection mechanism according to claim 1, wherein the insulating protection rod (4) is of a U-shaped structure, and the metal box body (1) is positioned on the inner side of the insulating protection rod (4).

6. The combiner box with the protection mechanism according to claim 1, wherein the driving mechanism comprises a fluted disc (5), a transmission frame (8) and an air cylinder (12), the fluted disc (5) is divided into two groups which are arranged up and down, one group of fluted discs (5) positioned above is fixedly connected with two end parts of an upper insulation protection rod (4), and one group of fluted discs (5) positioned below is fixedly connected with two end parts of a lower insulation protection rod (4); the cylinder (12) is fixed on the metal box body (1), a piston rod of the cylinder (12) is fixedly connected with the transmission frame (8), two rows of tooth blocks (9) are arranged up and down on the transmission frame (8), the tooth blocks (9) located above are meshed with the fluted disc (5) located above, and the tooth blocks (9) located below are meshed with the fluted disc (5) located below.

7. The combiner box with the protection mechanism according to claim 6, characterized in that the transmission frame (8) is of a "U" shaped structure and the transmission frame (8) is laid down.

8. A combiner box provided with a protection mechanism according to claim 6, characterized in that the toothed disc (5) is of semi-circular structure.

9. The combiner box with the protection mechanism according to claim 6, wherein a driving frame (10) is fixed at the end of a piston rod of the cylinder (12), movable shielding plates (7) are fixed at two ends of the driving frame (10), the movable shielding plates (7) are slidably connected with corresponding side walls of the metal box body (1), and the movable shielding plates (7) are fixedly connected with the transmission frame (8).

10. The combiner box with the protection mechanism according to claim 9, wherein the driving frame (10) is of a U-shaped structure, a positioning block (11) is arranged in the middle of the driving frame (10), and the positioning block (11) is fixedly connected with a piston rod of the air cylinder (12).