CN217362252U

CN217362252U - Photovoltaic box transformer arc light protection device

Info

Publication number: CN217362252U
Application number: CN202123104909.6U
Authority: CN
Inventors: 高恩伟; 袁昌宏; 屈江波
Original assignee: Hangzhou Quaneng Intelligent Equipment Co ltd
Current assignee: Hangzhou Quaneng Intelligent Equipment Co ltd
Priority date: 2021-12-12
Filing date: 2021-12-12
Publication date: 2022-09-02
Anticipated expiration: 2031-12-12

Abstract

The utility model discloses a box transformer arc light protection device of photovoltaic, include: a transformer tank; a bottom shell, on which a connecting column is arranged; the middle shell is connected with the connecting column, and the middle shell and the bottom shell enclose to form an accommodating space; a magnet located in the accommodating space; the front shell is detachably connected with the middle shell, and one end of the front shell, which is far away from the middle shell, is provided with a mounting hole; and the bottom end of the arc probe is positioned in the front shell, and the top end of the arc probe passes through the mounting hole and is positioned outside the front shell. The magnet is placed in the bottom shell. The arc probe was placed in the front housing. And then the front shell, the bottom shell and the middle shell are connected. And adsorbing the bottom shell on the inner wall of the transformer box body by using a magnet. Thus, the installation is convenient. When the arc probe needs to be replaced, the arc probe can be replaced after the front shell is separated from the middle shell.

Description

Photovoltaic box transformer arc light protection device

Technical Field

The utility model relates to a box transformer technical field of photovoltaic especially relates to a box transformer arc light protection device of photovoltaic.

Background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, main components are a primary coil, a secondary coil and an iron core, and the transformer has the following main functions: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization, etc., and can be classified into: the simplest iron core transformer consists of an iron core made of soft magnetic material and two coils with different turns sleeved on the iron core, wherein the coils are provided with two or more than two windings, the winding connected with a power supply is called a primary coil, and the other windings are called secondary coils.

Conventionally, protection by an arc probe, a current sensor, and the like is required. However, the arc light probe is inconvenient to install and the probe is inconvenient to replace. Accordingly, the present application is provided.

SUMMERY OF THE UTILITY MODEL

For the technical problem of solving at least one aspect that exists among the background art, the utility model provides a box transformer arc light protection device of photovoltaic.

The utility model provides a pair of box transformer arc light protection device of photovoltaic, include:

a transformer tank;

a bottom shell, on which a connecting column is arranged;

the middle shell is connected with the connecting column, and the middle shell and the bottom shell form an accommodating space in a surrounding mode;

a magnet located in the accommodating space;

the front shell is detachably connected with the middle shell, and one end of the front shell, which is far away from the middle shell, is provided with a mounting hole;

an arc probe having a bottom end located in the front housing and a top end located outside the front housing through the mounting hole.

Preferably, a plurality of through holes are formed in the bottom case.

Preferably, the intermediate housing includes:

the mounting column is provided with a first flaring which is formed by outward expansion of one end close to the bottom shell, and the first flaring is buckled on the bottom shell when the mounting column is connected with the connecting column; one end of the mounting post adjacent the front housing flares outwardly to form a second flared end that mates with the front housing.

Preferably, an internal thread is arranged in the mounting column; and the connecting column is provided with an external thread matched with the internal thread.

Preferably, the connecting column and the mounting column form a connecting channel for external leads to pass through.

Preferably, a groove for the lead to pass through is formed in the bottom wall of the bottom shell, and the groove is communicated with the connecting channel.

Preferably, the second flared end is threadedly coupled to the front housing.

Preferably, the arc probe is in threaded connection with the mounting hole, and a rotating handle is arranged at the bottom end of the arc probe.

The utility model discloses a beneficial effect that an aspect was brought is:

the magnet is placed in the bottom shell. The arc probe was placed in the front housing. And then the front shell, the bottom shell and the middle shell are connected. And adsorbing the bottom shell on the inner wall of the transformer box body by using a magnet. Thus, the installation is convenient. When the arc probe needs to be replaced, the arc probe can be replaced after the front shell is separated from the middle shell.

Drawings

Fig. 1 is a schematic structural view of an aspect of the present disclosure;

fig. 2 is an axial view of a bottom case, front case, etc. of the present disclosure;

fig. 3 is an axial view of the bottom case, front case, etc. of the present disclosure;

fig. 4 is a cross-sectional view of a bottom case, front case, etc. of the present disclosure;

fig. 5 is a cross-sectional view of a bottom shell, front shell, etc. of the present disclosure;

fig. 6 is an axial view of the bottom case of the present disclosure;

fig. 7 is an axial view of the intermediate housing of the present disclosure;

fig. 8 is an axial view of the intermediate housing of the present disclosure;

fig. 9 is an axial view of the middle housing of the present invention.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments in the present application may be combined with each other; 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left" and "right" 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 simplification of description, but do not indicate or imply that the indicated position or element must have a specific orientation, be constituted in a specific orientation, and be operated, and thus, are not to be construed as limitations of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-9, the utility model provides a box transformer arc light protection device of photovoltaic, include:

a transformer tank 1; a bottom shell 2, which is provided with a connecting column 3; and the middle shell 4 is connected with the connecting column 3, and the middle shell 4 and the bottom shell 2 enclose to form an accommodating space R.

A magnet 5 located in the accommodating space R; a front shell 6 detachably connected with the middle shell 4, wherein one end of the front shell, which is far away from the middle shell 4, is provided with a mounting hole; an arc probe 7 is provided with a bottom end in the front housing 6 and a top end outside the front housing 6 through the mounting hole.

The magnet 5 is placed in the bottom case 2. The arc probe 7 is placed in the front housing 6. And then the front case 6, the bottom case 2 and the intermediate case 4 are connected. The bottom shell 2 is attracted to the inner wall of the transformer tank 1 by the magnet 5. Thus, the installation is convenient. When replacement is required, the arc probe 7 can be replaced after separating the front housing 6 from the middle housing 4.

As a further improvement of the above embodiment, in one embodiment, the bottom case 2 is provided with a plurality of through holes 201. The influence of the magnet 5 is reduced and the magnet is adsorbed on the transformer tank 1. The adsorption effect is improved.

As a further improvement of the above embodiment, in one embodiment, the intermediate housing 4 comprises:

a mounting post 400, one end of which near the bottom shell 2 is expanded outwards to form a first flared opening 401, and when the mounting post 400 is connected with the connecting post 3, the first flared opening 401 is buckled on the bottom shell 2; one end of the mounting post 400 adjacent the front housing flares outwardly to form a second flared opening 402, which second flared opening 402 mates with the front housing.

When the middle housing 4 is connected to the bottom case 2, the first flared opening 401 is buckled to the bottom case 2, and the first flared opening 401 and the bottom case 2 enclose to form the accommodating space R. The magnet 5 is located in the accommodating space R.

As a further improvement to the above-described embodiment, in one embodiment, internal threads 403 are provided in the mounting post 400; and the connecting column 3 is provided with an external thread 301 matched with the internal thread 403. The connecting column 3 and the mounting column 400 are in threaded connection, so that the mounting and dismounting are convenient.

As a further improvement of the above embodiment, in one embodiment, the connecting posts 3 and the mounting posts 400 are formed with connecting channels L for external wires to pass through. The lead wire is connected to the arc probe 7 through a connecting passage L.

As a further improvement of the above embodiment, in one embodiment, a groove 202 for the lead wire to pass through is provided on the bottom wall of the bottom case 2, and the groove 202 is communicated with the connecting channel L. The lead wire is positioned in the groove 202, and the lead wire is electrically connected with the arc probe 7 through the groove 202 and the connecting passage L. So do not influence drain pan 2 and the laminating of transformer box 1.

As a further improvement of the above embodiment, in one embodiment, the second flared end 402 is threadedly coupled to the front housing 6. Facilitating the attachment of second flare 402 to front housing 6.

As a further improvement of the above embodiment, in one embodiment, the arc probe 7 is screwed to the mounting hole, and a rotating handle 9 is provided at the bottom end of the arc probe 7. The handle 9 is convenient to drive the arc light probe 7 to rotate.

The 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 utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a box transformer arc light protection device of photovoltaic which characterized in that includes:

a transformer tank;

the bottom shell is provided with a connecting column, and a plurality of through holes are formed in the bottom shell;

a magnet located in the accommodating space;

2. The apparatus of claim 1, wherein the intermediate housing comprises:

3. The device of claim 2, wherein the mounting post has internal threads therein; and the connecting column is provided with an external thread matched with the internal thread.

4. The device of claim 3, wherein the connecting posts and the mounting posts form connecting channels for external wires to pass through.

5. The device according to claim 4, characterized in that the bottom wall of the bottom shell is provided with a groove for the passage of the wire, which communicates with the connecting channel.

6. The apparatus of claim 2, wherein the second flared end is threadably connected to the front housing.

7. The apparatus of claim 1 wherein the arc probe is threaded into the mounting hole and a rotating handle is provided at a bottom end of the arc probe.