CN215575301U

CN215575301U - Power metering box capable of shielding electrostatic interference

Info

Publication number: CN215575301U
Application number: CN202121909799.8U
Authority: CN
Inventors: 严旭东
Original assignee: Xinzhisheng Fujian Group Co ltd
Current assignee: Xinzhisheng Fujian Group Co ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-01-18
Anticipated expiration: 2031-08-16

Abstract

The utility model discloses a power metering box capable of shielding electrostatic interference, which comprises a shell, wherein two side surfaces of the shell are respectively provided with a ventilation mechanism, the inner wall of the shell is fixedly connected with a ceramic plate, the inner wall of the shell is fixedly connected with a hook, the surface of the ceramic plate is fixedly connected with a metering unit, the surface of the ceramic plate is fixedly connected with a threaded seat, the surface of the threaded seat is in threaded connection with a net cage, a bagged drying agent is arranged inside the net cage, the ventilation mechanism comprises a ventilation hood, and the side surfaces of the shell are fixedly connected with the ventilation hood. According to the utility model, the first partition plate and the second partition plate are matched to prevent rainwater from entering the matching hole, the dust isolating net reduces dust from entering, even if water enters the ventilation hood, the water can be discharged from the drainage hole, the inclined blocks enable the water to be discharged more cleanly, air flow is generated through the ventilation mechanisms on the two sides of the shell to cool the metering unit, and the heat dissipation capability is better.

Description

Power metering box capable of shielding electrostatic interference

Technical Field

The utility model relates to the technical field of power metering boxes, in particular to a power metering box capable of shielding electrostatic interference.

Background

The electric power metering box is used for 3 ~ 35kv in the equipment that is used for electric energy measurement, including combination mutual-inductor (gather three-phase current and voltage signal), box, kilowatt-hour meter, arrester, vacuum circuit breaker (prepayment type has) and so on, the current precision is 0.2S, and the voltage precision grade is 0.2. The model number is generally JLSxx-xx (x replaces the actual letter) and the combined transformer is basically the same,

the power metering box in the prior art has poor heat dissipation capability, does not have a drying mechanism inside, and is easy to break down.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a power metering box capable of shielding electrostatic interference.

In order to achieve the purpose, the utility model adopts the following technical scheme: the power metering box capable of shielding electrostatic interference comprises a shell, wherein both side surfaces of the shell are provided with a ventilation mechanism, the inner wall of the shell is fixedly connected with a ceramic plate, the inner wall of the shell is fixedly connected with a hook, the surface of the ceramic plate is fixedly connected with a metering unit, the surface of the ceramic plate is fixedly connected with a threaded seat, the surface of the threaded seat is in threaded connection with a net box, a bagged drying agent is arranged inside the net box, the ventilation mechanism comprises a ventilation hood, the side surface of the shell is fixedly connected with the ventilation hood, the surface of the ventilation hood is provided with a ventilation hole, the lower surface of the ventilation hood is provided with a drainage hole, the inner wall of the ventilation hood is fixedly connected with an oblique block, the upper surface of the oblique block is fixedly connected with a first partition plate, the inner wall of the ventilation hood is fixedly connected with a second partition plate, and the side surface of the ceramic plate is fixedly connected with a dust-isolating net, the surface of the ceramic plate is provided with matching holes.

As a further description of the above technical solution:

the upper surface and the lower surface of the ceramic plate are both provided with tooth-shaped parts, hanging holes are formed in the surface of the ceramic plate, and mounting holes are formed in the surface of the ceramic plate.

As a further description of the above technical solution:

the hanging holding holes and the hanging holding holes are symmetrically distributed, and the positions of the hooks are matched with the hanging holding holes.

As a further description of the above technical solution:

the lower surface of shell fixedly connected with cover seat, the material of cover seat is corrosion-resistant material.

As a further description of the above technical solution:

the drain hole is located at the lowest position of the inclined block, and the position of the second partition plate is matched with that of the first partition plate.

As a further description of the above technical solution:

the position and the ventilation hole adaptation of mating holes, ventilation hole and mating holes all are the rectangular array and distribute.

As a further description of the above technical solution:

the front of shell articulates there is the chamber door, be provided with the lock on the chamber door.

As a further description of the above technical solution:

the surface of the box door is provided with an observation window, and the observation window and the box door are both made of insulating materials.

The utility model has the following beneficial effects:

1. compared with the prior art, this shield electrostatic interference power metering box, baffle one and the cooperation of baffle two make the rainwater be difficult for entering into cooperation hole department, and the dust removal net reduces the dust and gets into, even the inside intaking of ventilation hood, also can discharge from drainage hole department, and the sloping block makes hydroenergy discharge cleaner, and ventilation mechanism through the shell both sides produces the air flow, cools down to the metering unit, has better heat-sinking capability.

2. Compared with the prior art, this shield electrostatic interference power metering box absorbs the inside moisture of shell through the drier in bags for the shell is inside to keep dry, and the difficult trouble that breaks down of metering unit, the box with a net can be dismantled, can carry out periodic replacement, convenient to use to the drier in bags.

3. Compared with the prior art, this shielding electrostatic interference power metering box, earlier put the ceramic plate in the shell inner wall through the couple with hang the cooperation of holding the hole earlier, the rethread bolt fixes the ceramic plate at the shell inner wall with the cooperation of mounting hole, and when the installation, the staff need not hold the ceramic plate always, the installation of being convenient for.

Drawings

Fig. 1 is a schematic view of an overall structure of a power metering box for shielding electrostatic interference according to the present invention;

FIG. 2 is a schematic diagram of an internal structure of a housing of the power metering box for shielding electrostatic interference according to the present invention;

FIG. 3 is a schematic structural diagram of a ventilation mechanism of the electrostatic interference shielding power metering box according to the present invention;

FIG. 4 is a side view of the internal structure of the net cage of the power metering box for shielding electrostatic interference according to the present invention;

fig. 5 is a schematic structural diagram of a ceramic plate of the electrostatic interference shielding power metering box according to the present invention.

Illustration of the drawings:

1. a housing; 2. a ventilation mechanism; 3. a ceramic plate; 4. hooking; 5. a metering unit; 6. a threaded seat; 7. a net cage; 8. bagging a drying agent; 9. a box door; 10. a sleeve seat; 11. an observation window; 201. a ventilation hood; 202. a vent hole; 203. a drain hole; 204. a sloping block; 205. a first clapboard; 206. a dust-proof net; 207. a second clapboard; 208. a mating hole; 301. a tooth-shaped portion; 302. hanging holes; 303. and (7) installing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., 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, but 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 thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, the utility model provides a power metering box for shielding electrostatic interference: the ceramic plate type air conditioner comprises a shell 1, wherein two side surfaces of the shell 1 are respectively provided with a ventilation mechanism 2, the inner wall of the shell 1 is fixedly connected with a ceramic plate 3, the inner wall of the shell 1 is fixedly connected with a hook 4, the surface of the ceramic plate 3 is fixedly connected with a metering unit 5, the surface of the ceramic plate 3 is fixedly connected with a threaded seat 6, the surface of the threaded seat 6 is in threaded connection with a net cage 7, a bagged drying agent 8 is arranged inside the net cage 7, the air inside the net cage 7 can be communicated with the inside of the shell 1, and the bagged drying agent 8 absorbs moisture inside the shell 1;

the ventilation mechanism 2 comprises a ventilation hood 201, the side surface of the shell 1 is fixedly connected with the ventilation hood 201, a ventilation hole 202 is formed in the surface of the ventilation hood 201, a drainage hole 203 is formed in the lower surface of the ventilation hood 201, even if water enters the interior of the ventilation hood 201, the water can be drained from the drainage hole 203, an inclined block 204 is fixedly connected to the inner wall of the ventilation hood 201, a first partition plate 205 is fixedly connected to the upper surface of the inclined block 204, a second partition plate 207 is fixedly connected to the inner wall of the ventilation hood 201, the position of the second partition plate 207 is matched with the first partition plate 205, rainwater cannot easily enter a matching hole 208 due to matching of the first partition plate 205 and the second partition plate 207, a dust separation net 206 is fixedly connected to the side surface of the ceramic plate 3, dust entering the interior of the shell 1 is reduced by the dust separation net 206, and the matching hole 208 is formed in the surface of the ceramic plate 3;

the ceramic plate 3 is characterized in that the upper surface and the lower surface of the ceramic plate 3 are respectively provided with a tooth-shaped part 301, the tooth-shaped parts 301 are convenient for the ceramic plates 3 to be mutually connected, the surface of the ceramic plate 3 is provided with a hanging hole 302, the surface of the ceramic plate 3 is provided with a mounting hole 303, the hanging hole 302 and the hanging hole 302 are symmetrically distributed, the position of the hook 4 is matched with the hanging hole 302, when the ceramic plate 3 is mounted, the ceramic plate 3 is firstly hung on the inner wall of the shell 1 through the matching of the hook 4 and the hanging hole 302, and then the ceramic plate 3 is fixed on the inner wall of the shell 1 through the matching of a bolt and the mounting hole 303;

the lower surface of the shell 1 is fixedly connected with a sleeve seat 10, the sleeve seat 10 is made of corrosion-resistant materials, the sleeve seat 10 reduces the corrosion of ground water vapor to the shell 1, and the service life of the shell 1 is prolonged;

the drain hole 203 is positioned at the lowest part of the inclined block 204, and the inclined block 204 enables water to drain more cleanly;

the positions of the matching holes 208 are matched with the vent holes 202, and the vent holes 202 and the matching holes 208 are distributed in a rectangular array, so that ventilation is facilitated;

the front of shell 1 articulates there is chamber door 9, is provided with the lock on chamber door 9, and the surface of chamber door 9 is provided with observation window 11, and the material of observation window 11 and chamber door 9 is insulating material, and observation window 11 is convenient for observe the inside condition of inside shell 1.

The working principle is as follows: when the multifunctional ventilating hood is used, rainwater is not easy to enter the matching hole 208 due to the matching of the first partition plate 205 and the second partition plate 207, even if water enters the ventilating hood 201, the rainwater can be discharged from the water discharging hole 203, the water can be discharged more cleanly due to the inclined block 204, air flows are generated through the ventilating mechanisms 2 on the two sides of the shell 1 to cool the metering unit 5, the dust entering is reduced through the dust isolating net 206, the moisture in the shell 1 is absorbed by the bagged drying agent 8, the interior of the shell 1 is kept dry, the net cage 7 can be detached, the bagged drying agent 8 can be replaced periodically, and the multifunctional ventilating hood is convenient to use.

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 or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. Shielding electrostatic interference power metering box, including shell (1), its characterized in that: the two side faces of the shell (1) are respectively provided with a ventilation mechanism (2), the inner wall of the shell (1) is fixedly connected with a ceramic plate (3), the inner wall of the shell (1) is fixedly connected with a hook (4), the surface of the ceramic plate (3) is fixedly connected with a metering unit (5), the surface of the ceramic plate (3) is fixedly connected with a threaded seat (6), the surface of the threaded seat (6) is in threaded connection with a net cage (7), and a bagged drying agent (8) is arranged inside the net cage (7);

ventilation mechanism (2) are including draft hood (201), the side and the draft hood (201) fixed connection of shell (1), ventilation hole (202) have been seted up on the surface of draft hood (201), wash port (203) have been seted up to the lower surface of draft hood (201), the inner wall fixedly connected with sloping block (204) of draft hood (201), the last fixed surface of sloping block (204) is connected with baffle one (205), the inner wall fixedly connected with baffle two (207) of draft hood (201), the side fixedly connected with of ceramic plate (3) separates dirt net (206), mating holes (208) have been seted up on the surface of ceramic plate (3).

2. The shielded electrostatic interference power metering box according to claim 1, wherein: the ceramic plate is characterized in that tooth-shaped parts (301) are arranged on the upper surface and the lower surface of the ceramic plate (3), hanging holes (302) are formed in the surface of the ceramic plate (3), and mounting holes (303) are formed in the surface of the ceramic plate (3).

3. The shielded electrostatic interference power metering box according to claim 2, wherein: the hanging holes (302) and the hanging holes (302) are symmetrically distributed, and the position of the hook (4) is matched with the hanging holes (302).

4. The shielded electrostatic interference power metering box according to claim 1, wherein: the lower surface of the shell (1) is fixedly connected with a sleeve seat (10), and the sleeve seat (10) is made of corrosion-resistant materials.

5. The shielded electrostatic interference power metering box according to claim 1, wherein: the drain hole (203) is positioned at the lowest part of the inclined block (204), and the position of the second partition plate (207) is matched with the first partition plate (205).

6. The shielded electrostatic interference power metering box according to claim 1, wherein: the positions of the matching holes (208) are matched with the vent holes (202), and the vent holes (202) and the matching holes (208) are distributed in a rectangular array.

7. The shielded electrostatic interference power metering box according to claim 1, wherein: the front surface of the shell (1) is hinged with a box door (9), and a door lock is arranged on the box door (9).

8. The shielded electrostatic interference power metering box of claim 7, wherein: the surface of the box door (9) is provided with an observation window (11), and the observation window (11) and the box door (9) are both made of insulating materials.