Explosion-proof structure for power distribution cabinet

Abstract

The utility model discloses an explosion-proof structure for a power distribution cabinet, which comprises a cabinet body, the front side of the cabinet body is provided with a cabinet door, the outer side of the cabinet door is provided with an observation window, the rear side of the cabinet door is provided with an explosion-proof unit, the rear side of the cabinet door is fixedly connected with a temperature sensor, and the explosion-proof unit comprises a side plate. The side plates are fixedly connected to the rear side of the cabinet door and located on the left side and the right side of the observation window, sliding grooves are formed in the outer sides of the side plates on the left side and the right side, sliding blocks are slidably connected to the inner sides of the upper ends and the lower ends of the sliding grooves on the left side and the right side, and a connecting plate is fixedly connected between the sliding blocks on the left side and the right side. By arranging the side plates, the connecting plates, the connecting rods, the protection plates, the explosion-proof plate, the control block, the bidirectional screw rod and the motor, the protection plates and the explosion-proof plate on the upper side and the lower side can be conveniently controlled to protect the observation window, the situation that glass in the observation window is splashed out when explosion occurs in the power distribution cabinet is avoided, and the use safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of power distribution cabinets, in particular to an explosion-proof structure for a power distribution cabinet. Background Art

[0002] A distribution cabinet is a device used for power transmission and control in a power system. It usually contains switchgear, measuring instruments, protective devices and other auxiliary equipment.

[0003] When the distribution cabinet is in use, an observation window is installed on the cabinet door. The observation window allows staff to observe the situation inside the distribution cabinet. Glass is provided on the inside of the observation window. The glass is not protected. When the distribution cabinet explodes due to an internal short circuit, the glass may be shattered by the explosion force and splash out, which may injure staff and pose a safety hazard. Utility Model Content

[0004] In order to overcome the disadvantages of the prior art that the glass in the observation window is easily splashed out when the cabinet explodes, posing a potential safety hazard, one of the purposes of the utility model is to provide an explosion-proof structure for a distribution cabinet.

[0005] One of the purposes of the utility model is achieved by the following technical solution: an explosion-proof structure for a power distribution cabinet, comprising a cabinet body, a cabinet door is arranged on the front side of the cabinet body, and an observation window is arranged on the outer side of the cabinet door; an explosion-proof unit is arranged on the rear side of the cabinet door, and a temperature sensor is fixedly connected to the rear side of the cabinet door;

[0006] The explosion-proof unit includes side panels, which are fixedly connected to the rear side of the cabinet door and located on the left and right sides of the observation window. Slide grooves are provided on the outer sides of the left and right side panels, and sliders are slidably connected to the inner sides of the upper and lower ends of the slide grooves on the left and right sides. A connecting plate is fixedly connected between the sliders on the left and right sides, and the rear sides of the connecting plates on the upper and lower sides are fixedly connected with connecting rods, and the front ends of the connecting rods are fixedly connected with protective plates, and the front sides of the protective plates are fixedly connected with explosion-proof plates, and the outer sides of the upper and lower ends of the side panels are fixedly connected with fixed blocks, and a bidirectional screw is rotatably connected between the fixed blocks on the upper and lower sides, and the outer sides of the protective plates on the upper and lower sides are fixedly connected with control blocks.

[0007] According to the explosion-proof structure for a power distribution cabinet, the protective plate is arranged in an L-shaped structure.

[0008] According to the explosion-proof structure for a power distribution cabinet, opposite threads are arranged at both ends of the bidirectional screw, and the two ends of the bidirectional screw are respectively threadedly connected to the upper and lower control blocks, so as to facilitate the control of the upper and lower control blocks to move toward each other.

[0009] According to the explosion-proof structure for a power distribution cabinet, a motor is fixedly connected to the upper side of the fixing block, and the output end of the motor is fixedly connected to the upper end of the bidirectional screw, so as to facilitate the control of the rotation of the bidirectional screw.

[0010] According to the explosion-proof structure for a power distribution cabinet, the front side of the cabinet door and the left and right sides of the observation window are fixedly connected with slide rails, a baffle is provided between the slide rails on the left and right sides, a magnetic plate 1 is fixedly connected to the lower side of the slide rail, and a magnetic plate 2 is fixedly connected to the front side of the cabinet door and above the baffle, so as to shield the front side of the observation window.

[0011] According to the explosion-proof structure for a power distribution cabinet, a pull rod is fixedly connected to the front side of the baffle.

[0012] According to the explosion-proof structure for a power distribution cabinet, the baffle is made of metal material.

[0013] Beneficial effects:

[0014] 1. By setting up side panels, connecting plates, connecting rods, protective plates, explosion-proof plates, control blocks, bidirectional screws and motors, it is easy to control the protective plates and explosion-proof plates on the upper and lower sides to protect the observation window, so as to avoid the glass inside the observation window splashing out when an explosion occurs inside the distribution cabinet, thereby increasing the safety of use.

[0015] 2. By providing a slide rail, a baffle, a pull rod, a magnetic plate 1 and a magnetic plate 2, it is convenient to shield the front side of the observation window when the observation window is not in use, so as to prevent dust accumulation from affecting the use of the observation window.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0018] Figure 1 This is an overall three-dimensional structural diagram of an explosion-proof structure for a power distribution cabinet of the utility model;

[0019] Figure 2 This is a three-dimensional structural diagram of an explosion-proof structure for a power distribution cabinet of the utility model without the cabinet body;

[0020] Figure 3 for Figure 2 The enlarged view of point A in the middle;

[0021] Figure 4 This is a three-dimensional structural diagram of an explosion-proof unit in an explosion-proof structure for a power distribution cabinet of the utility model;

[0022] Figure 5 for Figure 4 Enlarged view of point B in the middle.

[0023] Legend:

[0024] 1. Cabinet body; 2. Cabinet door; 3. Observation window; 4. Slide rail; 5. Magnetic plate 1; 6. Baffle; 7. Magnetic plate 2; 8. Pull rod; 9. Explosion-proof unit; 901. Side panel; 902. Protective plate; 903. Explosion-proof plate; 904. Fixed block; 905. Motor; 906. Bidirectional screw; 907. Slide groove; 908. Slider; 909. Connecting plate; 910. Connecting rod; 911. Control block; 10. Temperature sensor. DETAILED DESCRIPTION

[0025] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0026] Reference Figure 1-5 An explosion-proof structure for a power distribution cabinet includes a cabinet body 1, a cabinet door 2 is arranged on the front side of the cabinet body 1, and an observation window 3 is arranged on the outer side of the cabinet door 2: an explosion-proof unit 9 is arranged on the rear side of the cabinet door 2, and a temperature sensor 10 is fixedly connected to the rear side of the cabinet door 2; a PLC controller is arranged on the outer side of the cabinet body 1, and the PLC controller is electrically connected to a motor 905 and the temperature sensor 10, so as to facilitate the control of the operation of the cabinet body 1 and the explosion-proof unit 9.

[0027] The explosion-proof unit 9 includes a side plate 901, which is fixedly connected to the rear side of the cabinet door 2 and located on the left and right sides of the observation window 3. A slide groove 907 is provided on the outer side of the left and right side plates 901. Slide blocks 908 are slidably connected to the inner sides of the upper and lower ends of the slide grooves 907 on the left and right sides. A connecting plate 909 is fixedly connected between the left and right slide blocks 908. A connecting rod 910 is fixedly connected to the rear sides of the upper and lower connecting plates 909. A protective plate 902 is fixedly connected to the front end of the connecting rod 910. An explosion-proof plate 903 is fixedly connected to the front side of the protective plate 902. Fixed blocks 904 are fixedly connected to the outer sides of the upper and lower ends of the side plate 901. A bidirectional screw 906 is rotatably connected between the upper and lower fixed blocks 904. Control blocks 911 are fixedly connected to the outer sides of the upper and lower protective plates 902. The protective plate 902 is set in an L-shaped structure. Opposite threads are set at both ends of the bidirectional screw 906. The two ends of the bidirectional screw 906 are respectively threadedly connected to the upper and lower control blocks 911. A motor 905 is fixedly connected to the upper side of the fixed block 904, and the output end of the motor 905 is fixedly connected to the upper end of the bidirectional screw 906, wherein the temperature sensor 10 monitors the temperature of the cabinet 1. When the temperature inside the cabinet 1 is abnormal, the external motor 905 is started through the external PLC controller, and the motor 905 drives the bidirectional screw 906 to rotate, and the bidirectional screw 906 drives the upper and lower control blocks 911 to approach each other, and the control block 911 drives the protective plate 902 to move, so that the upper and lower protective plates 902 are close to each other, which is convenient for the upper and lower protective plates 902 to protect the observation window 3, avoid the internal explosion of the cabinet 1 causing the glass in the observation window 3 to break, increase the safety of the cabinet 1 when in use, and increase the protection capability of the protective plate 902 through the explosion-proof plate 903. The slide groove 907, slider 908, connecting plate 909 and connecting rod 910 provided therein increase the stability of the movement of the protective plate 902, and the explosion-proof plate 903 is made of copper alloy material.

[0028] The front side of the cabinet door 2 and the left and right sides of the observation window 3 are fixedly connected with slide rails 4, a baffle 6 is arranged between the left and right slide rails 4, a magnetic plate 1 5 is fixedly connected to the lower side of the slide rail 4, a magnetic plate 2 7 is fixedly connected to the front side of the cabinet door 2 and above the baffle 6, a pull rod 8 is fixedly connected to the front side of the baffle 6, the baffle 6 is made of metal material, when the observation window 3 is not in use, the staff pulls the pull rod 8 to make the pull rod 8 drive the baffle 6 to move, under the action of the magnetic plate 1 5, the baffle 6 is limited, so that the baffle 6 blocks the observation window 3 to prevent external dust from accumulating on the surface of the observation window 3, when the observation window 3 is in use, the pull rod 8 is pulled to control the baffle 6 to rise, and the baffle 6 is limited by the magnetic plate 2 7.

[0029] Working principle: When in use, the temperature inside the cabinet 1 is monitored by the temperature sensor 10. When the temperature inside the cabinet 1 is abnormal, the motor 905 is started through the external PLC controller, and the motor 905 drives the bidirectional screw 906 to rotate. Under the action of the control block 911, it is convenient to control the upper and lower protective plates 902 to approach each other, so that the protective plates 902 can protect the observation window 3 to avoid the observation window 3 from breaking when the cabinet 1 explodes, thereby increasing the safety of use. By pulling the baffle 6 to move, the observation window 3 can be blocked to prevent dust from affecting the use of the observation window 3.

[0030] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. An explosion-proof structure for a power distribution cabinet, characterized in that: The cabinet comprises a cabinet body (1), wherein a cabinet door (2) is arranged on the front side of the cabinet body (1), and an observation window (3) is arranged on the outer side of the cabinet door (2); an explosion-proof unit (9) is arranged on the rear side of the cabinet door (2), and a temperature sensor (10) is fixedly connected to the rear side of the cabinet door (2); The explosion-proof unit (9) comprises a side plate (901), the side plate (901) being fixedly connected to the rear side of the cabinet door (2) and being located on the left and right sides of the observation window (3), the outer sides of the side plates (901) on the left and right sides are provided with a slide groove (907), the inner sides of the upper and lower ends of the slide grooves (907) on the left and right sides are slidably connected with a slider (908), a connecting plate (909) is fixedly connected between the sliders (908) on the left and right sides, and the rear sides of the connecting plates (909) on the upper and lower sides are provided with a slider (908). The sides are fixedly connected with a connecting rod (910), the front end of the connecting rod (910) is fixedly connected with a protective plate (902), the front side of the protective plate (902) is fixedly connected with an explosion-proof plate (903), the outer sides of the upper and lower ends of the side plate (901) are fixedly connected with fixed blocks (904), the upper and lower fixed blocks (904) are rotatably connected with a bidirectional screw (906), and the outer sides of the upper and lower protective plates (902) are fixedly connected with control blocks (911).

2. The explosion-proof structure for a power distribution cabinet according to claim 1, characterized in that: The protective plate (902) is arranged in an L-shaped structure.

3. The explosion-proof structure for a power distribution cabinet according to claim 1, characterized in that: The two ends of the bidirectional screw (906) are provided with opposite threads, and the two ends of the bidirectional screw (906) are respectively threadedly connected to the upper and lower control blocks (911).

4. The explosion-proof structure for a power distribution cabinet according to claim 1, characterized in that: A motor (905) is fixedly connected to the upper side of the fixed block (904), and the output end of the motor (905) is fixedly connected to the upper end of the bidirectional screw (906).

5. The explosion-proof structure for a power distribution cabinet according to claim 1, characterized in that: The front side of the cabinet door (2) and the left and right sides of the observation window (3) are fixedly connected with a slide rail (4), a baffle (6) is provided between the left and right slide rails (4), the lower side of the slide rail (4) is fixedly connected with a magnetic attraction plate 1 (5), and the front side of the cabinet door (2) and the upper side of the baffle (6) is fixedly connected with a magnetic attraction plate 2 (7).

6. The explosion-proof structure for a power distribution cabinet according to claim 5, characterized in that: A pull rod (8) is fixedly connected to the front side of the baffle (6).

7. The explosion-proof structure for a power distribution cabinet according to claim 5, characterized in that: The baffle (6) is made of metal material.

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