CN212622896U

CN212622896U - Insulation monitoring device of direct current system

Info

Publication number: CN212622896U
Application number: CN202020703967.7U
Authority: CN
Inventors: 李春友; 胡倍榕
Original assignee: Shanghai Chanlian Electric Technology Co ltd
Current assignee: Shanghai Chanlian Electric Technology Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-02-26
Anticipated expiration: 2030-04-30

Abstract

The utility model discloses a direct current system insulation monitoring device, which comprises a housing, the rear end of casing is connected with the apron through the hinge rotation, the casing has all seted up the exhaust vent on the both sides lateral wall near the rear end, install the ventilating fan in the exhaust vent, the casing has all seted up the fresh air inlet on the both sides lateral wall near the front end, be equipped with the limiting plate that is located both sides about the fresh air inlet respectively on the lateral wall of casing, be equipped with between two the limiting plate and sweep the dirt spare, it is connected with the connecting rod to rotate on the lateral wall of apron, the connecting rod is kept away from the one end of apron and is connected on sweeping the dirt spare; an insulation monitoring device body is arranged inside the casing. The utility model discloses can sweep the cleanness to the filter core pad outside surface in the inlet air hole when opening or closing the upper cover plate, get rid of its surface dust, guarantee its better circulation of air performance, and then guarantee the inside air flow that normal ventilation cooling needs of casing.

Description

Insulation monitoring device of direct current system

Technical Field

The utility model relates to an insulation monitoring technical field especially relates to a direct current system insulation monitoring device.

Background

The direct current power supply is widely applied to power plants, transformer substations and other places, the branch networks are huge, in order to ensure the normal operation of the branch networks and prevent accidents caused by insulation reduction due to environmental line aging and other reasons, the insulation monitoring of the direct current power supply is very important, and in order to reduce the insulation faults, an insulation monitoring device is required to detect in time so as to avoid major accidents.

The existing related modules for monitoring the direct-current power supply are arranged in the machine shell, so that the influence on the normal work of the modules and related mechanisms caused by external dust and the like can be avoided, but the existing direct-current system insulation monitoring device is provided with a filter element pad in an air inlet hole, so that the surface blockage is easily caused after the filter element pad is used for a long time, the air flow is further influenced, and the requirement of normal ventilation and heat dissipation is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a direct current system insulation monitoring device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a direct current system insulation monitoring device comprises a casing, wherein the rear end of the casing is rotatably connected with a cover plate through a hinge, air outlet holes are formed in two side walls of the casing close to the rear end, a ventilating fan is installed in the air outlet holes, air inlet holes are formed in two side walls of the casing close to the front end, limiting plates which are respectively located on the upper side and the lower side of the air inlet holes are arranged on the side walls of the casing, a dust sweeping part is arranged between the two limiting plates, a connecting rod is rotatably connected to the side walls of the cover plate, and one end, away from the cover plate, of the connecting rod is connected to the dust sweeping part;

the inside of casing is equipped with the insulation monitoring device body, the insulation monitoring device body includes controller, voltage detection module, switch module, current detection module, voltage detection module and current detection module all are connected with switch module through the wire, switch module passes through the wire and is connected with the controller.

Preferably, the cover plate is of an L-shaped structure, a handle and a fixing bolt are arranged on the vertical portion of the cover plate, and a fixing screw hole matched with the fixing bolt is formed in the panel of the insulation monitoring device body.

Preferably, the limiting plate is of an L-shaped structure.

Preferably, sweep the dirt spare including the brush board, the both ends block respectively of brush board is inboard and slidable at two limiting plates, the equipartition has the brush hair with the fresh air inlet contact on the lateral wall of brush board, be equipped with the dead lever on another lateral wall of brush board, the one end fixedly connected with that the apron was kept away from to the connecting rod changes the cover, it rotates to cup joint on the dead lever to change the cover.

Preferably, one end of the fixing rod, which is far away from the brush plate, is in threaded connection with a limiting ring.

Preferably, the inner wall of the casing is fixedly connected with a porous plate corresponding to the air inlet hole, and the inner side of the porous plate is provided with a filter element pad.

The utility model has the advantages that:

through setting up sweeping dirt spare, limiting plate, connecting rod, apron, when opening or closing the upper cover plate, through the connecting rod, drive the brush board and remove, and then sweep the cleanness through the brush hair to the filter pad outside surface in the inlet air hole, get rid of its surface dust, and then effectively reduce the dust and pile up at the outer surface adsorption of filter pad, can guarantee its better circulation of air performance, and then guarantee the inside air flow that normally ventilates the heat dissipation needs of casing.

Through setting up filter core pad, perforated plate, place the filter core pad in the perforated plate inboard, make it fill in the filter core pad inboard, realize the air inlet and filter, and it is convenient to change.

Drawings

Fig. 1 is a schematic structural diagram of an insulation monitoring device for a dc system according to the present invention;

fig. 2 is a schematic structural view of a dust sweeping member of the insulation monitoring device for a dc system according to the present invention;

fig. 3 is a schematic structural diagram of the filter element pad and the porous plate of the insulation monitoring device for dc system according to the present invention.

In the figure: 1 casing, 2 insulation monitoring devices body, 3 fresh air inlet, 4 limiting plates, 5 brush boards, 6 connecting rods, 7 exhaust vents, 8 ventilating fans, 9 hinges, 10 apron, 11 handles, 12 fixing bolts, 13 spacing rings, 14 swivel bushes, 15 dead levers, 16 brush hairs, 17 filter element pads, 18 perforated plates.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a direct current system insulation monitoring device comprises a casing 1, wherein the rear end of the casing 1 is rotatably connected with a cover plate 10 through a hinge 9, the side walls of the casing 1 close to the rear end are respectively provided with an air outlet 7, a ventilating fan 8 is installed in the air outlet 7, the side walls of the casing 1 close to the front end are respectively provided with an air inlet 3, the side walls of the casing 1 are respectively provided with a limiting plate 4 which is respectively positioned at the upper side and the lower side of the air inlet 3, the limiting plates 4 are in an L-shaped structure, a dust sweeping part is arranged between the two limiting plates 4, the side wall of the cover plate 10 is rotatably connected with a connecting rod 6, and one end of the connecting;

the inside of casing 1 is equipped with insulating monitoring devices body 2, and insulating monitoring devices body 2 includes controller, voltage detection module, switch module, current detection module, and voltage detection module all is connected with switch module through the wire with current detection module, and switch module passes through the wire to be connected with the controller, and the controller is the singlechip.

Specifically, apron 10 is L type structure, and is equipped with handle 11 and fixing bolt 12 in its vertical portion, be equipped with on the panel of insulation monitoring device body 2 with the fixed screw of fixing bolt 12 adaptation, set up handle 11 and can make things convenient for switching apron 10, and fixing bolt 12 can be fixed with apron 10, and then protects insulation monitoring device body 2 panel.

Specifically, sweep the dirt spare including brush board 5, the both ends difference block of brush board 5 is inboard and slidable at two limiting plates 4, the equipartition has the brush hair 16 with the contact of fresh air inlet 3 on a lateral wall of brush board 5, be equipped with dead lever 15 on another lateral wall of brush board 5, the one end fixedly connected with who laps 10 is kept away from to connecting rod 6 changes cover 14, it cup joints on dead lever 15 to change cover 14 to rotate, when opening or closing apron 10, through connecting rod 6, it removes to drive brush board 5, and then sweep the cleanness through brush hair 16 to the filter core pad 17 outside surface in the fresh air inlet 3, get rid of its surface dust, and then effectively reduce the dust and pile up at filter core pad 17 outer surface adsorption.

Specifically, one end of the fixing rod 15, which is far away from the brush plate 5, is in threaded connection with a limiting ring 13, so that the rotating sleeve 14 can be limited.

Concretely, fixedly connected with and the perforated plate 18 that the 3 positions of fresh air inlet correspond on the casing 1 inner wall, the perforated plate 18 inboard is equipped with filter core pad 17, through setting up filter core pad 17, perforated plate 18, places filter core pad 17 in the perforated plate 18 inboard, makes it fill in filter core pad 17 inboard, realizes the air inlet and filters, and it is convenient to change.

The utility model discloses during the use, when opening or closing upper cover plate 10, through connecting rod 6, drive brush board 5 and remove, and then sweep the cleanness through 16 filter element pad 17 outside surfaces in to fresh air inlet 3 of brush hair, get rid of its surface dust, and then effectively reduce the dust and pile up at filter element pad 17 outer surface adsorption.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a direct current system insulation monitoring device, includes casing (1), its characterized in that, the rear end of casing (1) is rotated through hinge (9) and is connected with apron (10), exhaust vent (7) have all been seted up on the both sides lateral wall that casing (1) is close to the rear end, install ventilating fan (8) in exhaust vent (7), casing (1) has all been seted up air inlet (3) on the both sides lateral wall that is close to the front end, be equipped with limiting plate (4) that are located air inlet (3) upper and lower both sides respectively on the lateral wall of casing (1), two be equipped with between limiting plate (4) and sweep the dirt spare, it is connected with connecting rod (6) to rotate on the lateral wall of apron (10), the one end that apron (10) were kept away from in connecting rod (6) is connected on sweeping the dirt spare;

the insulation monitoring device comprises a casing (1), wherein an insulation monitoring device body (2) is arranged inside the casing (1), the insulation monitoring device body (2) comprises a controller, a voltage detection module, a switch module and a current detection module, the voltage detection module and the current detection module are connected with the switch module through wires, and the switch module is connected with the controller through wires.

2. The insulation monitoring device for the direct current system according to claim 1, wherein the cover plate (10) is of an L-shaped structure, a handle (11) and a fixing bolt (12) are arranged on a vertical portion of the cover plate, and a fixing screw hole matched with the fixing bolt (12) is arranged on a panel of the insulation monitoring device body (2).

3. The insulation monitoring device of a direct current system according to claim 1, characterized in that the limiting plate (4) is of an L-shaped structure.

4. The direct current system insulation monitoring device according to claim 3, wherein the dust sweeping component comprises a brush plate (5), two ends of the brush plate (5) are respectively clamped inside two limiting plates (4) and can slide, bristles (16) contacting with the air inlet hole (3) are uniformly distributed on one side wall of the brush plate (5), a fixing rod (15) is arranged on the other side wall of the brush plate (5), one end of the connecting rod (6) far away from the cover plate (10) is fixedly connected with a rotating sleeve (14), and the rotating sleeve (14) is rotatably sleeved on the fixing rod (15).

5. A DC system insulation monitoring device according to claim 4, characterized in that the end of the fixing rod (15) remote from the brush plate (5) is screwed with a limit ring (13).

6. The insulation monitoring device of a direct current system according to claim 1, characterized in that a porous plate (18) corresponding to the position of the air inlet hole (3) is fixedly connected to the inner wall of the casing (1), and a filter element pad (17) is arranged inside the porous plate (18).