A high voltage electric cabinet with arc detection device

Abstract

The present invention discloses a high-voltage electric cabinet with an arc detection device, including a cabinet, a mounting plate is arranged in the cabinet, a power supply element of the mounting plate is installed and fixed, and an arc detection device is arranged on the inner top of the cabinet, the arc detection device includes an arc sensor and a moving component, the arc sensor is arranged in the cabinet through the moving component, and the moving component can move the arc sensor to the front of the mounting plate, and the arc sensor is also connected to a shock absorbing component, and the shock absorbing component can protect the fast-moving arc sensor. By arranging a movable arc sensor, it is ensured that the arc is detected in a timely and effective manner, and the safe use of electricity, especially the safety of large-scale industrial electricity, is ensured, and the potential safety hazards are reduced.

Description

Technical Field

[0001] The invention relates to the field of power distribution cabinet equipment, and in particular to a composite high-voltage power cabinet with an arc detection device. Background Art

[0002] With the development of high-voltage substation technology, high-voltage transmission is distributed to various electrical appliances through distribution cabinets. Generally, various control circuit breakers are installed in the distribution cabinets. During the opening and closing process of the circuit breaker, arc discharge will occur. The main hazard of arc discharge is that it may cause fire. Once the arc direction is generated, the center temperature is as high as 3000℃ or more, and it is accompanied by molten metal, which can easily ignite the insulation layer of the internal line and cause the line to catch fire, especially when there are other combustibles nearby, which can easily ignite the combustibles and cause fire, affecting the safety of power distribution. However, due to the installation location, the existing arc alarm device does not give timely alarm, which can easily lead to safety hazards.

[0003] Therefore, the inventor of the present invention aims to invent a high-voltage electrical cabinet with an arc detection device to solve the problem that arc alarm is not timely and may easily cause safety hazards. Summary of the invention

[0004] In order to overcome the above disadvantages, an object of the present invention is to provide a high voltage electrical cabinet with an arc detection device.

[0005] In order to achieve the above purpose, the technical solution adopted by the present invention is: a high-voltage electrical cabinet with an arc detection device, including a cabinet body, a mounting plate is arranged in the cabinet body, a power supply element is installed and fixed on the mounting plate, and an arc detection device is arranged on the inner top of the cabinet body, the arc detection device includes an arc sensor and a moving component, the arc sensor is arranged in the cabinet body through the moving component, and the moving component can move the arc sensor to the front of the mounting plate, and the arc sensor is also connected to a shock absorbing component, and the shock absorbing component can protect the fast-moving arc sensor.

[0006] Preferably, the moving assembly includes a horizontal rod and a tilting rod, one end of the horizontal rod is hinged to the inner wall of the cabinet, one end of the tilting rod is hinged to the other end of the horizontal rod, and an arc sensor is arranged at the position where the tilting rod and the horizontal rod are hinged to each other, and the other end of the tilting rod is hinged to a sliding module, and the sliding module can drive the other end of the tilting rod to slide. That is, the horizontal rod, the tilting rod and the inner wall of the cabinet form a triangle, and the shape of the triangle is adjustable, that is, the length of the side of the triangle formed by the inner wall of the cabinet is adjustable, and the position of the hinged part of the tilting rod and the horizontal rod can be moved, thereby driving the arc sensor to move.

[0007] Preferably, the length of the horizontal rod is greater than half of the horizontal distance of the interior of the cabinet, and the sum of the lengths of the horizontal rod and the inclined rod is greater than the vertical distance of the interior of the cabinet, that is, the sum of the two sides is greater than the third side, the formation of a triangle is ensured, and the moving distance is fully guaranteed.

[0008] Preferably, the sliding module includes a ball screw, a nut is sleeved on the ball screw, the nut is hinged to the other end of the tilt rod, and the ball screw is also connected to a screw motor. That is, the screw motor drives the nut to rotate and move along the direction of the ball screw, thereby moving the tilt rod, thereby realizing the adjustment of the moving assembly.

[0009] Preferably, the arc sensors are provided in plurality, and the plurality of arc sensors are provided on a fixing plate, and the fixing plate is connected to the other end of the horizontal rod, and the shock absorbing assembly comprises a shock absorbing spring and a shock absorbing rod, the shock absorbing rod is provided on the fixing plate, and the shock absorbing rod faces the inner top of the cabinet, a shock absorbing spring is sleeved on the shock absorbing rod, and the length of the shock absorbing spring in a free state is greater than the length of the shock absorbing rod. That is, when the arc sensor is at the top, the shock absorbing assembly can prevent the arc sensor from directly contacting the inner top, thereby avoiding damage to the arc sensor.

[0010] Preferably, the arc sensor is also connected to an alarm, that is, by setting certain time data, when the arc is generated and maintained for a certain period of time, the alarm is triggered to give an arc alarm, which is convenient for maintenance personnel to troubleshoot faults.

[0011] Preferably, the mounting plate is provided with mounting holes, the mounting holes are T-shaped, and the T-shaped mounting holes are arranged in multiple rows, and the spacing between the mounting holes in each row is arranged inverted. That is, the T-shaped mounting holes are arranged in a positive and negative spacing, which ensures the controllability of the distance when the electrical components are installed, that is, the position is adjusted according to actual needs using the mounting holes, preventing the T-shaped mounting holes in the same direction from occupying too much space and causing waste of space.

[0012] The beneficial effect of the high-voltage electrical cabinet with an arc detection device of the present invention is that, by providing a movable arc sensor, timely and effective arc detection is ensured, thereby ensuring safe electricity use, especially the safety of large-scale industrial electricity use, and reducing potential safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of a high-voltage electrical cabinet with an arc detection device.

[0014] Figure 2 A schematic diagram of the structure of the mobile component.

[0015] Figure 3 It is a schematic diagram of the structure of the shock absorbing component.

[0016] Figure 4 It is a structural diagram of the mounting plate.

[0017] In the figure:

[0018] 1-cabinet; 2-mounting plate; 3-arc sensor; 4-moving component; 5-shock absorption component; 6-sliding module; 7-fixed plate;

[0019] 21-Mounting hole;

[0020] 41-horizontal rod; 42-inclined rod;

[0021] 51- shock absorbing spring; 52- shock absorbing rod;

[0022] 61-ball screw; 62-nut; 63-screw motor. DETAILED DESCRIPTION

[0023] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0024] The existing arc detection device is installed on the inner side wall of the high-voltage or low-voltage distribution cabinet. It is accurate in detecting the electrical components in the adjacent part, but is relatively inaccurate in detecting the electrical components in the middle. Once an arc occurs in the electrical components in the middle, the danger is more likely to spread to the surroundings, causing a fire faster.

[0025] See attached Figure 1-4 As shown, a high-voltage electrical cabinet with an arc detection device in this embodiment includes a cabinet body 1, a mounting plate 2 is arranged in the cabinet body 1, power supply components are installed and fixed on the mounting plate 2, and an arc detection device is arranged on the inner top of the cabinet body 1, and the arc detection device includes an arc sensor 3 and a moving component 4, the arc sensor 3 is arranged in the cabinet body 1 through the moving component 4, and the moving component 4 can move the arc sensor 3 to the front of the mounting plate 2, and the arc sensor 3 is also connected to the shock absorbing component 5, and the shock absorbing component 5 can protect the fast-moving arc sensor 3.

[0026] The moving assembly 4 includes a horizontal rod 41 and a tilting rod 42, one end of the horizontal rod 41 is hinged to the inner wall of the cabinet 1, one end of the tilting rod 42 is hinged to the other end of the horizontal rod 41, and the arc sensor 3 is arranged at the position where the tilting rod 42 and the horizontal rod 41 are hinged to each other, and the other end of the tilting rod 42 is hinged to the sliding module 6, and the sliding module 6 can drive the other end of the tilting rod 42 to slide. That is, the horizontal rod 41, the tilting rod 42 and the inner wall of the cabinet 1 form a triangle, and the shape of the triangle is adjustable, that is, the length of the side of the triangle formed by the inner wall of the cabinet 1 is adjustable, and the position of the hinged part of the tilting rod 42 and the horizontal rod 41 can be moved, thereby driving the arc sensor 3 to move.

[0027] The length of the horizontal rod 41 is greater than half of the horizontal distance of the interior of the cabinet 1, and the sum of the lengths of the horizontal rod 41 and the inclined rod 42 is greater than the vertical distance of the interior of the cabinet 1. That is, the sum of the two sides is greater than the third side, the formation of a triangle is ensured, and the moving distance is fully guaranteed.

[0028] The sliding module 6 includes a ball screw 61, a nut 62 is sleeved on the ball screw 61, the nut 62 is hinged to the other end of the tilt rod 42, and the ball screw 61 is also connected to a screw motor 63. That is, the nut 62 is driven by the screw motor 63 to rotate and move along the direction of the ball screw 61, thereby moving the tilt rod 42, that is, the adjustment of the moving assembly 4 is realized.

[0029] A plurality of arc sensors 3 are provided, and the plurality of arc sensors 3 are provided on the fixing plate 7, and the fixing plate 7 is connected to the other end of the horizontal rod 41, and the shock absorbing assembly 5 includes a shock absorbing spring 51 and a shock absorbing rod 52, the shock absorbing rod 52 is provided on the fixing plate 7, and the shock absorbing rod 52 faces the inner top of the cabinet 1, and the shock absorbing spring 51 is sleeved on the shock absorbing rod 52, and the length of the shock absorbing spring 51 in the free state is greater than the length of the shock absorbing rod 52. That is, when the arc sensor 3 is at the top, the shock absorbing assembly 5 can prevent the arc sensor 3 from directly contacting the inner top, thereby avoiding damage to the arc sensor 3.

[0030] The arc sensor 3 is also connected to an alarm. That is, by setting certain time data, when the arc is generated and maintained for a certain period of time, the alarm is triggered to give an arc alarm, which is convenient for maintenance personnel to troubleshoot faults.

[0031] The mounting plate 2 is provided with mounting holes 21, which are T-shaped, and the T-shaped mounting holes 21 are arranged in a plurality of rows, and the alternate mounting holes 21 in each row of mounting holes 21 are arranged in an inverted manner. That is, the T-shaped mounting holes 21 are arranged in an opposite manner, which ensures the controllability of the distance when the electrical components are installed, that is, the positions of the mounting holes 21 are adjusted according to actual needs, and it is prevented that the T-shaped mounting holes 21 in the same direction occupy too much position, resulting in a waste of space.

[0032] The beneficial effect of a high-voltage electrical cabinet with an arc detection device is that, by providing a movable arc sensor 3, timely and effective arc detection is ensured, thereby ensuring safe electricity use, especially the safety of large-scale industrial electricity use, and reducing potential safety hazards.

[0033] The above implementation modes are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with this technology to understand the content of the present invention and implement it, and they cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. A high voltage electric cabinet with an arc detection device, characterized in that: The invention comprises a cabinet (1), wherein a mounting plate (2) is arranged inside the cabinet (1), a power supply element is fixedly mounted on the mounting plate (2), and an arc detection device is arranged on the inner top of the cabinet (1), wherein the arc detection device comprises an arc sensor (3) and a moving component (4), wherein the arc sensor (3) is arranged inside the cabinet (1) via the moving component (4), and the moving component (4) can move the arc sensor (3) to the front of the mounting plate (2), and the arc sensor (3) is also connected to a shock absorbing component (5), and the shock absorbing component (5) can protect the fast-moving arc sensor (3); The moving assembly (4) comprises a horizontal rod (41) and a tilting rod (42), one end of the horizontal rod (41) is hinged to the inner wall of the cabinet (1), one end of the tilting rod (42) is hinged to the other end of the horizontal rod (41), an arc sensor (3) is arranged at the position where the tilting rod (42) and the horizontal rod (41) are hinged to each other, and the other end of the tilting rod (42) is hinged to a sliding module (6), and the sliding module (6) can drive the other end of the tilting rod (42) to slide; The sliding module (6) comprises a ball screw (61), a nut (62) is sleeved on the ball screw (61), the nut (62) is hinged to the other end of the tilt rod (42), and the ball screw (61) is also connected to a screw motor (63); A plurality of arc sensors (3) are provided, and the plurality of arc sensors (3) are provided on a fixing plate (7), and the fixing plate (7) is connected to the other end of the horizontal rod (41), and the shock absorbing assembly (5) comprises a shock absorbing spring (51) and a shock absorbing rod (52), wherein the shock absorbing rod (52) is provided on the fixing plate (7), and the shock absorbing rod (52) faces the inner top of the cabinet (1), and the shock absorbing spring (51) is sleeved on the shock absorbing rod (52), and the length of the shock absorbing spring (51) in a free state is greater than the length of the shock absorbing rod (52).

2. A high voltage electric cabinet with an arc detection device according to claim 1, characterized in that: The length of the horizontal rod (41) is greater than half of the distance inside the cabinet (1) in the horizontal direction, and the sum of the lengths of the horizontal rod (41) and the inclined rod (42) is greater than the distance inside the cabinet (1) in the vertical direction.

3. A high voltage electric cabinet with an arc detection device according to claim 1, characterized in that: The arc sensor (3) is also connected to an alarm.

4. A high voltage electric cabinet with an arc detection device according to claim 1, characterized in that: The mounting plate (2) is provided with mounting holes (21), the mounting holes (21) are T-shaped, and the T-shaped mounting holes (21) are arranged in a plurality of rows, and the spaced mounting holes (21) in each row of the mounting holes (21) are arranged to be inverted.

Images