CN210007185U

CN210007185U - voltage protection measurement and control device

Info

Publication number: CN210007185U
Application number: CN201920909717.6U
Authority: CN
Inventors: 刘志红; 郭晓冬
Original assignee: Nanjing Changhai Electric Automation Co Ltd
Current assignee: Nanjing Changhai Electric Automation Co Ltd
Priority date: 2019-06-17
Filing date: 2019-06-17
Publication date: 2020-01-31
Anticipated expiration: 2029-06-17

Abstract

The utility model belongs to the technical field of voltage measurement and control equipment, especially voltage protection measurement and control devices, including box, preceding and back plate, the preceding terminal surface of box articulates through the hinge has preceding , fixed mounting has the spring on the back lateral wall of box, the fixedly connected with framed panel of spring, the drawing mouth has been seted up on the lateral wall of box, the inside fixed mounting of box has the L template, fixed mounting has the spring post on the inner wall of L template, the fixedly connected with frame of spring post, the louvre has been seted up to the bottom of box, the utility model discloses utilize pull mouth pull frame, and then can carry out periodic clearance to the filter screen on the frame, keep the clean degree of the inside of box like this, prevent simultaneously that the dust from polluting inside electronic components, adopt hinged joint between box and the preceding simultaneously, like this for the mode that the bolt dismantlement installation more convenient and fast can overhaul inside, facilitate the use.

Description

voltage protection measurement and control device

Technical Field

The utility model relates to a voltage measurement and control equipment technical field specifically is kinds of voltage protection measurement and control devices.

Background

With the increase of distributed power supplies such as photovoltaic power stations and the like connected to a power distribution network, the conventional power distribution network fault identification and isolation method based on the current amplitude and direction principle cannot meet the field operation requirement, and power distribution network protection based on the current or power differential principle becomes a power distribution network protection scheme expected to be adopted in the industry.

However, the existing voltage protection measurement and control device has the following problems in practical use:

1. when the voltage protection measuring and controlling device is used for a long time, the interior of the voltage protection measuring and controlling device is difficult to clean, and meanwhile, the internal temperature is high, so that the normal use is influenced;

2. the existing voltage protection measurement and control device is directly exposed outside, so that the structural design is unreasonable.

SUMMERY OF THE UTILITY MODEL

() problems to be solved

Not enough to prior art, the utility model provides an kinds of voltage protection measurement and control devices have solved the not good problem of current voltage protection measurement and control devices result of use.

(II) technical scheme

In order to realize the purpose, the utility model provides a kinds of voltage protection measurement and control devices, including box, preceding and back plate, the preceding terminal surface of box articulates through the hinge has preceding , fixed mounting has the spring on the rear side wall of box, the end fixedly connected with framed bent of spring, seted up the drawing mouth on the lateral wall of box, the inside fixed mounting of box has the L template, fixed mounting has the spring post on the inner wall of L template, the end fixedly connected with frame of spring post, the louvre has been seted up to the bottom of box.

As the utility model discloses an preferred technical scheme, the surface mosaic of preceding installs the display lamp, the side of display lamp is fixed with the display screen, is located be equipped with the button under the display screen, still be equipped with the key lock on the preceding .

As the utility model discloses an preferred technical scheme, fixed mounting has the plug wire district on the back plate, is located side fixed mounting in plug wire district has the wiring district be equipped with power supply interface between plug wire district and the wiring district.

As the utility model discloses an preferred technical scheme, the quantity of spring has eight, and two divide into group, four groups spring evenly distributed is on the four sides of box, the preceding terminal surface of framed panel and box is in on the same mounting plane.

As the utility model discloses an preferred technical scheme, the internally mounted of frame has the filter screen, the frame width is less than the width of pull mouth.

As the utility model discloses an preferred technical scheme, the mounting area of filter screen is greater than the area that the louvre formed the range.

As the utility model discloses an preferred technical scheme, fixed mounting has cooling fan on the roof of box inside, cooling fan's quantity has two.

(III) advantageous effects

1. This voltage protection measurement and control device utilizes the pull mouth pull frame, and then can carry out periodic clearance to the filter screen on the frame, keeps the clean degree of the inside of box like this, prevents simultaneously that the dust from polluting inside electronic components, adopts hinged joint between box and the preceding simultaneously, like this for the mode convenient and fast more of bolt dismantlement installation can overhaul the inside, facilitate the use, the practicality is strong.

2. This voltage protection measurement and control device carries out direct heat dissipation through utilizing the vertical decurrent radiator fan of louvre cooperation, when preventing that the dust from flowing backwards to top, can dispel the heat fast, utilizes framed panel and spring to protect the rear end face of box simultaneously, and can conveniently sit the transport simultaneously.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a rear view of the structure of the present invention;

FIG. 3 is a rear view of the internal structure of the present invention;

fig. 4 is a bottom view of the internal structure of the present invention;

fig. 5 is a schematic view of a part of an enlarged structure at a in fig. 3 according to the present invention.

In the drawing, the box comprises a box body 1, a front , a rear panel 3, a display lamp 4, a display screen 5, a display screen 6, a key 7, a key lock 8, a spring 9, a frame plate 10, a wire plugging area 11, a power supply interface 12, a wire connection area 13, a drawing opening 14, an L-shaped plate 15, a spring column 16, a frame 17, a filter screen 18, a heat dissipation hole 19 and a heat dissipation fan.

Detailed Description

The technical solution 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 , but not all embodiments.

Examples

Please refer to fig. 1-5, the utility model provides a following technical scheme voltage protection measurement and control device, including box 1, preceding 2 and back plate 3, the preceding terminal surface of box 1 articulates through the hinge has preceding 2, fixed mounting has spring 8 on the rear side wall of box 1, end fixedly connected with framed panel 9 of spring 8, seted up drawing mouth 13 on the lateral wall of box 1, the inside fixed mounting of box 1 has L template 14, fixed mounting has spring post 15 on the inner wall of L template 14, end fixedly connected with frame 16 of spring post 15, louvre 18 has been seted up to the bottom of box 1.

In this embodiment, the rear plate 3 and the box body 1 are bolted together and can be formed by bodies, and furthermore, the hinge front 2 is an existing fixing method, which is beneficial to distinguishing the existing bolt fixing, and the key lock 7 is locked with the box body 1, and the key lock 7 is an existing one and is used cooperatively.

Specifically, the display lamp 4 is mounted on the surface of the front 2 in an embedded mode, the display screen 5 is fixed to the side of the display lamp 4, the key 6 is located right below the display screen 5, and the key lock 7 is further arranged on the front 2.

In this embodiment, the display lamp 4, the display screen 5, and the key 6 are all structures of the existing measurement and control device, and the use and the connection mode of the internal wires are not described herein, but the existing key lock 7 is added for locking, so that the front 2 is conveniently closed.

Specifically, a plug area 10 is fixedly mounted on the rear plate 3, a connection area 12 is fixedly mounted on the side of the plug area 10, and a power supply interface 11 is arranged between the plug area 10 and the connection area 12.

In this embodiment, the plug wire area 10, the power supply interface 11, and the wiring area 12 are all structures of an existing measurement and control device, and the use and the connection mode of internal wires are not described herein.

Specifically, the number of the springs 8 is eight, two springs are divided into groups, four groups of the springs 8 are evenly distributed on four sides of the box body 1, and the frame plate 9 and the front end face of the box body 1 are positioned on the same installation plane.

In this embodiment, the spring 8 is disposed around the case 1, so that the frame plate 9 can be fully protected during all-directional contact collision.

Specifically, a filter screen 17 is installed inside the frame 16, and the width of the frame 16 is smaller than that of the drawing opening 13.

In this embodiment, the frame 16 can be drawn through the drawing opening 13, so that the filtering net 17 on the frame 16 can be cleaned or replaced conveniently.

Specifically, the installation area of the filter screen 17 is larger than the area of the arrangement of the heat dissipation holes 18.

In this embodiment, the filter screen 17 completely covers the heat dissipation holes 18, so that the dust can be prevented from entering.

Specifically, the top wall inside the box body 1 is fixedly provided with two heat dissipation fans 19, and the number of the heat dissipation fans 19 is two.

In this embodiment, the heat dissipation fan 19 is a small fan, and the direction is vertical and downward, so that heat can be dissipated directly, and the wind direction flows out through the heat dissipation holes 18, thereby preventing dust from entering.

In the embodiment, the display lamp 4, the display screen 5, the key 6, the key lock 7, the plug wire area 10, the power supply interface 11, the wiring area 12, the heat dissipation fan 19 and the lead installation manner inside the box body 1 are all known technologies which are already disclosed and widely used in daily life.

The utility model discloses an operating principle and use flow are 2 through hinge articulated preceding on the box 1, can make things convenient for preceding 2 to close, convenient the maintenance, lock through key lock 7 simultaneously, increase the security, and then carry out the parallel and level through spring 8 fixed mounting framed panel 9 and box 1 terminal surface, place like this or when installing, can effectively protect rear bezel 3 on the back of box 1 not destroyed, and then carry out the heat dissipation work through cooling blower 19, the wind direction passes through the filtration of filter screen 17 like this, then get rid of through louvre 18, can effectively keep inside clean degree, when using for a long time simultaneously, pull out frame 16 through drawing mouth 13, and then spring post 15 on L template 14 is fixed in the compression of frame 16, after filter screen 17 to frame 16 clears up or changes, spring post 15 resumes elasticity, then make frame 16 drive filter screen 17 and reset.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

The voltage protection measurement and control device comprises a box body (1), a front (2) and a rear plate (3), and is characterized in that the front end face of the box body (1) is hinged to a front (2) through a hinge, a spring (8) is fixedly mounted on the rear side wall of the box body (1), a frame plate (9) is fixedly connected to a end of the spring (8), a drawing opening (13) is formed in the side wall of the box body (1), an L-shaped plate (14) is fixedly mounted inside the box body (1), a spring column (15) is fixedly mounted on the inner wall of the L-shaped plate (14), a frame (16) is fixedly connected to a end of the spring column (15), and a heat dissipation hole (18) is formed in the bottom of the box body (1).
2. The voltage protection measurement and control device according to claim 1, wherein a display lamp (4) is mounted on the surface of the front (2) in an embedded manner, a display screen (5) is fixed to the side of the display lamp (4), a key (6) is arranged under the display screen (5), and a key lock (7) is further arranged on the front (2).
3. The voltage protection measurement and control device according to claim 1, wherein a plug area (10) is fixedly installed on the rear panel (3), a wiring area (12) is fixedly installed on the side of the plug area (10), and a power supply interface (11) is arranged between the plug area (10) and the wiring area (12).
4. The voltage protection measurement and control device according to claim 1, wherein the number of the springs (8) is eight, two springs are divided into groups, four groups of the springs (8) are evenly distributed on four sides of the box body (1), and the frame plate (9) and the front end face of the box body (1) are on the same installation plane.
5. The voltage protection measurement and control device according to claim 1, wherein a filter screen (17) is installed inside the frame (16), and the width of the frame (16) is smaller than that of the drawing opening (13).
6. The kinds of voltage protection measurement and control devices of claim 5, wherein the installation area of the filter screen (17) is larger than the area of the arrangement formed by the heat dissipation holes (18).
7. The voltage protection measurement and control device according to claim 1, wherein the top wall of the interior of the box (1) is fixedly provided with two cooling fans (19), and the number of the cooling fans (19) is two.