High-sensitivity transformer protection switch cabinet

Abstract

The utility model discloses a high-sensitivity transformer protection switch cabinet which comprises a supporting bottom frame, the supporting bottom frame is in a U shape, the left side wall of the supporting bottom frame is rotationally connected with a left side plate, the right side wall of the supporting bottom frame is rotationally connected with a right side plate, and the front side wall of the left side plate is rotationally connected with a sealing door. A protection switch body is installed on the rear inner wall of the supporting bottom frame, the upper side wall and the lower side wall of the supporting bottom frame are each fixedly connected with two connecting blocks, one side wall of each connecting block is fixedly connected with an elastic belt, and one end of each elastic belt is fixedly connected with a connecting plug. The left side wall of the left side plate and the right side wall of the right side plate are each fixedly connected with two connecting insertion blocks. According to the utility model, when the protection switch main body is overhauled or installed, the sealing door, the left side plate and the right side plate can be rotated to open the box body structure, so that the installation or maintenance space can be increased, and the installation efficiency and the maintenance efficiency of the device can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of power equipment, in particular to a high-sensitivity transformer protection switch cabinet. Background Art

[0002] A transformer is a device that uses the principle of electromagnetic induction to change the AC voltage. Its main components are the primary coil, secondary coil, and iron core. Its main functions include: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization, etc.

[0003] The traditional transformer protection switch cabinet is convenient for installation and fixation. However, during actual use, the transformer needs to be installed inside the switch cabinet, and the installation space is relatively limited, which affects the installation efficiency. At the same time, it is not convenient to maintain and repair the transformer equipment inside the switch cabinet, affecting its use. Summary of the Utility Model

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and provide a high-sensitivity transformer protection switch cabinet. The device is provided with a box structure surrounded by a support chassis, a left side plate, a right side plate, and a sealing door, which can protect the transformer protection switch. In addition, when overhauling or installing the protection switch body, the sealing door, left side plate, and right side plate can be rotated to open the box structure, thereby increasing the installation or maintenance space, and effectively improving the installation efficiency and maintenance efficiency of the device;

[0005] The device is provided with a protection switch body. The current detection unit uses a high-precision current transformer, and the voltage detection unit uses a precision voltage sensor. The control unit processes the detection data through an algorithm. When the current exceeds the rated value or the voltage shows abnormal fluctuations, the control unit will immediately activate the protection mechanism, and the execution unit uses a high-speed circuit breaker to ensure that the power supply is cut off within an extremely short time, thereby effectively improving the sensitivity of the protection switch and greatly improving the installation performance of the transformer.

[0006] The utility model also provides a high-sensitivity transformer protection switch cabinet having the above features, including: a support chassis, the support chassis is arranged in a U shape, the left side wall of the support chassis is rotatably connected to a left side plate, the right side wall of the support chassis is rotatably connected to a right side plate, the front side wall of the left side plate is rotatably connected to a sealing door, the rear inner wall of the support chassis is installed with a protection switch body, the front side wall of the protection switch body is provided with a current detection unit, a voltage detection unit, a control unit, and an execution unit. The control unit can quickly judge the working state of the transformer according to the detection results of the current detection unit and the voltage detection unit, and cut off the power supply through the execution unit in case of abnormality. The current detection unit uses a high-precision current transformer, the voltage detection unit uses a precision voltage sensor, and the control unit includes an algorithm processing module for processing current and voltage data and issuing protection instructions.

[0007] Both the upper side wall and the lower side wall of the supporting chassis are fixedly connected with two connecting blocks. One side wall of each connecting block is fixedly connected with an elastic band, and one end of the elastic band is fixedly connected with a connecting plug. Both the left side wall of the left side plate and the right side wall of the right side plate are fixedly connected with two connecting sockets.

[0008] According to the high-sensitivity transformer protection switch cabinet described above, each connecting plug is matched with a connecting socket, which is convenient for fixing the left side plate or the right side plate to the supporting chassis.

[0009] According to the high-sensitivity transformer protection switch cabinet described above, mating grooves are provided on both sides of the upper side wall of the supporting chassis, and the two mating grooves are respectively matched with the left side plate or the right side plate, so as to improve the matching effect of the left side plate or the right side plate with the supporting chassis.

[0010] According to the high-sensitivity transformer protection switch cabinet described above, an observation window is arranged inside the sealing door for facilitating the observation of the internal situation, and a handle is installed on the front side wall of the sealing door for facilitating the opening of the sealing door.

[0011] According to the high-sensitivity transformer protection switch cabinet described above, a magnetic attraction block is fixedly connected to the rear side wall of the sealing door, and a mating iron sheet is installed on the front side wall of the right side plate, so that the sealing door is fixed to the right side plate.

[0012] According to the high-sensitivity transformer protection switch cabinet described above, a wire inlet groove is arranged on the upper side wall of the supporting chassis and close to the left side for facilitating the entry of external cables into the device.

[0013] According to the high-sensitivity transformer protection switch cabinet described above, the elastic band is made of spandex material to improve the wear resistance and elasticity of the elastic band.

[0014] According to the high-sensitivity transformer protection switch cabinet described above, the supporting chassis, the left side plate, the right side plate and the sealing door enclose a rectangular box body, which can effectively prevent external dust from entering the device.

[0015] Additional aspects and advantages of the present utility model will be given in part in the following description, will become apparent in part from the following description, or will be understood through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present utility model will be further described below in conjunction with the drawings and embodiments;

[0017] Figure 1 is a schematic structural diagram of a high-sensitivity transformer protection switch cabinet of the present utility model;

[0018] Figure 2 Internal schematic diagram of a high-sensitivity transformer protection switch cabinet of the present utility model;

[0019] Figure 3 Side schematic diagram of a high-sensitivity transformer protection switch cabinet of the present utility model;

[0020] Figure 4 Front schematic diagram of a high-sensitivity transformer protection switch cabinet of the present utility model.

[0021] Legend description:

[0022] 1. Support chassis; 101. Wire inlet groove; 102. Connecting block; 1021. Elastic band; 1022. Connecting plug; 103. Fitting groove; 2. Right side plate; 201. Connecting socket; 3. Sealing door; 301. Observation window; 302. Handle; 4. Protection switch main body; 401. Current detection unit; 402. Voltage detection unit; 403. Control unit; 404. Execution unit; 5. Left side plate. Specific implementation manners

[0023] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The function of the drawings is to supplement the description in the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but it cannot be understood as a limitation on the protection scope of the present utility model.

[0024] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a limitation on the present utility model; the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installation", "connection", "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0025] Refer to Figures 1-4, in an embodiment of the utility model, a high-sensitivity transformer protection switch cabinet includes: a support chassis 1, the support chassis 1 is arranged in a C shape, the left side wall of the support chassis 1 is rotatably connected to a left side plate 5, the right side wall of the support chassis 1 is rotatably connected to a right side plate 2, the front side wall of the left side plate 5 is rotatably connected to a sealing door 3, the rear inner wall of the support chassis 1 is installed with a protection switch main body 4, the front side wall of the protection switch main body 4 is provided with a current detection unit 401, a voltage detection unit 402, a control unit 403 and an execution unit 404. The control unit 403 can quickly judge the working state of the transformer according to the detection results of the current detection unit 401 and the voltage detection unit 402, and cut off the power supply through the execution unit 404 in case of abnormality. The current detection unit 401 adopts a high-precision current transformer, the voltage detection unit 402 adopts a precision voltage sensor, and the control unit 404 includes an algorithm processing module for processing current and voltage data and issuing protection instructions.

[0026] Both the upper side wall and the lower side wall of the support chassis 1 are fixedly connected with two connecting blocks 102. One side wall of the connecting block 102 is fixedly connected with an elastic band 1021. One end of the elastic band 1021 is fixedly connected with a connecting plug 1022. Both the left side wall of the left side plate 5 and the right side wall of the right side plate 2 are fixedly connected with two connecting sockets 201. Each connecting plug 1022 is matched with a connecting socket 201, which is convenient for fixing the left side plate 5 or the right side plate 2 to the support chassis 1. On the upper side wall of the support chassis 1 and on both sides, there are cooperation grooves 103, and the two cooperation grooves 103 are respectively matched with the left side plate 5 or the right side plate 2 to improve the cooperation effect of fixing the left side plate 5 or the right side plate 2 to the support chassis 1. Inside the sealing door 3, there is an observation window 301 for observing the internal situation. On the front side wall of the sealing door 3, there is a handle 302 for conveniently opening the sealing door 3. On the rear side wall of the sealing door 3, there is a magnetic attraction block, and on the front side wall of the right side plate 2, there is a matching iron sheet to fix the sealing door 3 to the right side plate 2. On the upper side wall of the support chassis 1 and near the left side, there is a wire inlet groove 101 for facilitating the entry of external cables into the device. The elastic band 1021 is made of spandex material to improve the wear resistance and elasticity of the elastic band 1021. The support chassis 1, the left side plate 5, the right side plate 2 and the sealing door 3 enclose a rectangular box body, which can effectively prevent external dust from entering the device.

[0027] Working principle: The device is provided with a box body structure surrounded by the support chassis 1, the left side plate 5, the right side plate 2 and the sealing door 3, which can protect the transformer protection switch. In addition, when overhauling or installing the protection switch main body 4, the sealing door 3, the left side plate 5 and the right side plate 2 can be rotated to open the box body structure, thereby increasing the installation or maintenance space and effectively improving the installation efficiency and maintenance efficiency of the device.

[0028] The embodiments of the present utility model have been described in detail above in conjunction with the accompanying drawings. However, the present utility model is not limited to the above embodiments, and various changes can be made without departing from the gist of the present utility model within the scope of knowledge possessed by those of ordinary skill in the relevant art.

Claims

1. A high-sensitivity transformer protection switch cabinet, characterized in that: Including: A support chassis (1), the support chassis (1) is arranged in a C shape, the left side wall of the support chassis (1) is rotatably connected to a left side plate (5), the right side wall of the support chassis (1) is rotatably connected to a right side plate (2), the front side wall of the left side plate (5) is rotatably connected to a sealing door (3), the rear inner wall of the support chassis (1) is provided with a protection switch body (4), and the front side wall of the protection switch body (4) is provided with a current detection unit (401), a voltage detection unit (402), a control unit (403) and an execution unit (404); Both the upper side wall and the lower side wall of the support chassis (1) are fixedly connected with two connecting blocks (102), one side wall of the connecting block (102) is fixedly connected with an elastic band (1021), one end of the elastic band (1021) is fixedly connected with a connecting plug (1022), and both the left side wall of the left side plate (5) and the right side wall of the right side plate (2) are fixedly connected with two connecting sockets (201).

2. A high-sensitivity transformer protection switch cabinet according to claim 1, characterized in that: Each connecting plug (1022) is matched with a connecting socket (201).

3. A high-sensitivity transformer protection switch cabinet according to claim 1, characterized in that: The upper side wall of the support chassis (1) and both sides are provided with fitting grooves (103), and the two fitting grooves (103) are respectively matched with the left side plate (5) or the right side plate (2).

4. A high-sensitivity transformer protection switch cabinet according to claim 1, characterized in that: The sealing door (3) is internally provided with an observation window (301), and the front side wall of the sealing door (3) is provided with a handle (302).

5. The high-sensitivity transformer protection switch cabinet according to claim 1, characterized in that: The rear side wall of the sealing door (3) is fixedly connected with a magnetic attraction block, and the front side wall of the right side plate (2) is provided with a matching iron sheet.

6. The high-sensitivity transformer protection switch cabinet according to claim 1, characterized in that: The upper side wall of the support chassis (1) and near the left side is provided with a wire inlet groove (101).

7. The high-sensitivity transformer protection switch cabinet according to claim 1, characterized in that: The elastic band (1021) is made of spandex material.

8. The high-sensitivity transformer protection switch cabinet according to claim 1, characterized in that: The support chassis (1), the left side plate (5), the right side plate (2) and the sealing door (3) enclose a rectangular box body.

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