65results about How to "Realize ventilation and heat dissipation" patented technology

The invention provides a multifunctional air grid. The multifunctional air grid comprises an outer grid frame. A square through hole for arrangement of multiple grid bars is formed in the middle of the outer grid frame. A semi-sealing ventilation box is arranged at the position, corresponding to the square through hole, of the rear end of the outer grid frame. The semi-sealing ventilation box comprises two side edges, a bottom edge and a cover plate, wherein the two side edges are arranged perpendicular to the outer grid frame, the bottom edge is connected with the bottoms of the two side edges and inclines downwards, and the cover plate is connected with the two side edges. The cover plate is provided with vent holes and air guide tubes. Ventilation openings are formed in the upper end of the ventilation box. The multifunctional air grid is simple in structure; hoses are connected to the air guide tubes and led into different cabins through the ventilation box which is arranged at the rear end of the outer grid frame and provided with the preformed vent holes and the preformed air guide tubes so as to achieve ventilation and heat dissipation of the different cabins; the obliquely arranged bottom edge of the ventilation box and the grid bars of a guide plate structure are utilized, so the multifunctional air grid is good in waterproof performance.

The invention provides an intelligent heat dissipation waterproof device of a switch cabinet, and belongs to the field of switch cabinet equipment. The device comprises a switch cabinet, the front surface of the switch cabinet is open and hinged with a switch door, a rain shelter is fixedly mounted at the top of the switch cabinet, a longitudinal first partition plate is fixedly mounted on the topsurface of the inner wall of the switch cabinet, and the bottom surface of the first partition plate is fixedly connected with the top surface of a second partition plate. Through ventilation groovesare formed in the two sides of the top face of the second partition plate respectively. According to the device, the filter screen can be flushed through rainwater, dust accumulation on the filter screen is avoided, the cleaning effect is better, and in rainy days, the device can prevent external rainwater from entering the switch cabinet, and after the air holes are collected into the switch cabinet, a user can adjust the output shaft of the second motor to steer. Therefore, the air inlet and outlet direction of the device can be changed, heat dissipation in the switch cabinet is uniform, dust above the filter screen can be blown off, and the device is more convenient to use.

The invention provides a ventilating and radiating system for a switch cabinet chamber of a semi-buried box-type substation, which comprises a lower box body as a transformer chamber and an upper box body as the switch cabinet chamber, wherein of the big part of the lower box body is buried under the ground; and a certain height of neck is exposed out of the ground. The ventilating and radiating system is characterized in that a high-voltage cabinet chamber is arranged at one side in the upper box body; a low-voltage cabinet chamber is arranged at the other side in the upper box body; a high-voltage cabinet chamber air inlet channel and a low-voltage cabinet chamber air inlet channel which are respectively used for allowing cables to pass in and out and ventilating are arranged on two sides at the neck of the lower box body; a high-voltage cable trench and a low-voltage cable trench are respectively introduced into the lower part of the air inlet channel; and exhaust outlets are respectively arranged at the upper part of the high-voltage cabinet chamber and the upper part of the low-voltage cabinet chamber. No wire through hole is arranged on the lower box body, thus the sealing property of the lower box body is ensured; the cable trenches are used as cold air sources so as to ensure that all air entering the upper box body is cold air; and an air inlet and an air outlet are respectively arranged at the bottom and the upper part or the top part of the lower box body, thus local circulation can be avoided and the integral ventilation and radiation of the high-voltage cabinet, and the low-voltage cabinet can be realized.

The invention relates to a high-voltage circuit breaker, which comprises a contact box body, and a left valve and a right valve with arrow-shaped cross-sections are arranged in the contact box body, and the arrow ends of the left valve and the arrow ends of the right valve can be close to each other and closed Opening, when the moving contact moves into the contact box body, the moving contact is against the left valve and the right valve, so that the left valve and the right valve can move back to open the opening; the inner cavity of the contact box body passes through the first cycle The air duct communicates with the external space, including a first air inlet duct and a first air outlet duct, the first air inlet duct includes a first air inlet hole arranged on the first inner wall, and the first air outlet duct includes a The first air duct and the first air outlet on the side wall of the contact box body; the outside of the contact box body is provided with a first heat dissipation fan with an air inlet facing the first air outlet. When the first heat dissipation fan works, pressure is generated. Poor, the air in the inner cavity of the contact box body is drawn out, and the air outside the contact box body enters the contact box body at the same time.

The invention relates to the field of control cabinets, and specifically discloses an adaptive control cabinet. A cabinet body comprises an inner wall and an outer wall. A gap layer is formed betweenthe inner wall and the outer wall. Air inlet pipes are rotatably connected onto the cabinet body. The air inlet pipes penetrate through the inner wall and the outer wall. The cabinet body is providedwith air outlet pipes thereon disposed opposite to the air inlet pipes. A plurality of rotating blades are fixedly connected on the outer peripheral walls of the air inlet pipes along the circumference. The rotating blades are located in the gap layer. A gear ring is arranged on the inner wall of each air inlet pipe. Each gear ring meshes with a first gear. Each first gear meshes with a second gear. Each second gear is coaxially connected with a fan. The fans are rotatably connected onto the cabinet body. A water tank is connected with the gap layer with a pipeline. A control valve is providedon the pipeline. A temperature sensor is installed in the cabinet body. The temperature sensor is electrically connected with a controller. The controller is electrically connected with the control valve. The control cabinet in the invention has adaptability so that the control cabinet determines to control the heat dissipation by itself and the energy is saved.