Positive pressure explosion-proof control cabinet
A positive pressure explosion-proof, control cabinet technology, applied in the direction of cabinet/box/drawer parts, electrical equipment housing/cabinet/drawer, cooling/ventilation/heating transformation, etc., can solve the problem of reducing the electrical components in explosion-proof control cabinets. Service life, high temperature of explosion-proof control cabinet
Active Publication Date: 2019-11-15
ERGONG EXPLOSION PROOF TECH CO LTD
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Problems solved by technology
[0002] Explosion-proof control cabinets are suitable for various mechanical equipment. The use of explosion-proof control cabinets is safe and reliable. In actual use, the explosion-proof control cabinets are sealed, and the electrical components in the explosion-proof control cabinets will continuously emit heat during work. The temperature in the explosion-proof control cabinet is always high, which will reduce the service life of the electrical components in the explosion-proof control cabinet
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Embodiment 1
[0018] Such as figure 1 and figure 2 As shown, a positive pressure explosion-proof control cabinet provided by the present invention includes a cabinet body (1), the inner side of the cabinet body (1) is fixedly connected with a horizontal partition (2), and the partition (2) divides the cabinet The inner side of the body (1) is divided into the upper installation compartment and the lower exhaust compartment. The partition (2) is provided with a communication hole (21), and the lower end of the communication hole (21) is rotated and connected to the sealing plate (22). , a torsion spring for controlling the reset of the sealing plate (22) is installed between the sealing plate (22) and the partition (2), the lower side of the partition (2) is fixedly connected to the round pipe (3), and the communication hole (21) and the sealing plate (22) are both arranged inside the circular tube (3). A one-way valve (31) is installed on the circular pipe (3).
[0019] Four ventilation...
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The invention discloses a positive pressure explosion-proof control cabinet, which comprises a cabinet body. The inner side of the cabinet body is fixedly connected with a horizontally-disposed partition plate, and the partition plate divides the inner side of the cabinet body into an upper installation compartment and a lower exhaust compartment. The partition plate is provided with a communication hole, one side of the lower end of the communication hole is connected with a sealing plate in a rotary matching mode, a torsion spring for controlling reset of the sealing plate is disposed between the sealing plate and the partition plate, one side of the cabinet body is uniformly provided with a group of ventilation holes, and one side of the cabinet body is provided with an inflating device. The positive pressure explosion-proof control cabinet has the advantages that a cooling inert gas is supplied to the installation compartment; when the air pressure in the installation compartment can overcome the torsion force of the torsion spring, the air pressure in the installation compartment presses the sealing plate to rotate, and the air in the installation compartment is exhausted to the exhaust compartment; during the exhaust process, the heat in the installation compartment is also exhausted, and the purpose of cooling is achieved; and as the air pressure in the installation compartment is always greater than the external air pressure, the external air can not enter the installation compartment.
Description
technical field [0001] The invention relates to the technical field of electrical explosion protection, in particular to a positive pressure explosion-proof control cabinet. Background technique [0002] Explosion-proof control cabinets are suitable for various mechanical equipment. The use of explosion-proof control cabinets is safe and reliable. In actual use, the explosion-proof control cabinets are sealed, and the electrical components in the explosion-proof control cabinets will continuously emit heat during work. The temperature in the explosion-proof control cabinet is always high, which will reduce the service life of the electrical components in the explosion-proof control cabinet. Contents of the invention [0003] The object of the present invention is to propose a positive pressure explosion-proof control cabinet in order to solve the shortcomings in the prior art. [0004] In order to achieve the above object, the present invention adopts the following techni...
Claims
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IPC IPC(8): H05K5/06H05K7/20H05K5/02
CPCH05K5/0213H05K5/068H05K7/20145
Inventor 王仟胡斌
Owner ERGONG EXPLOSION PROOF TECH CO LTD
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