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7413results about "Substation/switching arrangement cooling/ventilation" patented technology

Circulation cold air apparatus for high voltage frequency conversion equipment

A cycle cold wind device used in the high pressure frequency conversion device, includes a high pressure frequency conversion device cabinet for the cooling process to the heating components in the cabinet, a heat exchange cabinet for the separating cool to the hot air by the water in the disk pipeline, an air intake connecting channel for delivering the hot air discharged from the high pressure frequency conversion device into the air inlet of the heat exchange cabinet, and an air outtake connecting channel for delivering the cold air discharged from the heat exchange cabinet into the air inlet of the high pressure frequency conversion device. The air in the high pressure frequency conversion device and the heat exchange cabinet constitutes a sealing space of the cold and hot air cycle flow through the air intake connecting channel and the air outtake connecting channel. The device is changed into the sealing door from the traditional high pressure frequency conversion device, then is added with a heat exchange cabinet and two vent channels, thereby better solving the defect on the heat radiation of the high pressure frequency conversion device, with the advantage of simple structure, practicality, low cost of the manufacture, the use and the maintenance, long service life and marked efficacy.
Owner:北京合康新能变频技术有限公司

Electrical equipment cabinet having convenient movement and heat dissipation functions

Electrical equipment cabinet having convenient movement and heat dissipation functions includes a cabinet body and support legs arranged under the cabinet body, a rotating shaft is arranged on a bottom plate of the cabinet body, the upper end of the rotating shaft is connected with a motor located in the cabinet body at the bottom, the lower end of the rotating shaft is fixedly connected with a first bevel gear, the first bevel gear engages with a second bevel gear, the second bevel gear is fixedly connected with a middle position of a horizontally arranged rotary rod, two ends of the rotary rod are fixedly provided with third bevel gears, the third bevel gears engage with fourth bevel gears, the fourth bevel gears are fixedly arranged on screws, and the top ends of the screws are rotatably connected with the lower end of the cabinet body. The electrical equipment cabinet has the beneficial effects that mutual conversion between a stable state and a moving state of the cabinet body is realized by utilization of transmission of the bevel gears; and through cooling treatment on air, cooling of the inside of the cabinet body is realized, thereby effectively guaranteeing normal work of electrical equipment, and preventing occurrence of a fire disaster.
Owner:王铮

Sealed structure of mini-type electronic dehumidifying and cooling machine

The invention provides a sealed structure of a mini-type electronic dehumidifying and cooling machine. A heat radiation face and a refrigerating face of a vertical electronic refrigerating sheet are sealed to be a wet air heating channel and a wet air condensing channel, which are mutually independent and are provided with vertical communicated upper parts. One end of a wet air leading channel is communicated with the lower part of the wet air heating channel, and the other end of the wet air leading channel is provided with a mini-type blower. The lower end opening of the wet air condensing channel is sealed, and a refrigerating face of the wet air condensing channel aligns to a dried cool air discharge hole which is arranged at a vertical position. A water collection hopper is arranged below a condensing sheet of the refrigerating face. A drain pipe of the water collection hopper is communicated to the outside of a shell box of the sealed structure of the mini-type electronic dehumidifying and cooling machine through leading of the water collection hopper. The installation on the lateral face or the bottom face outside an indoor armor switch cabinet or various terminal bins of an electric system with a 6-kV or above voltage class is met. The inside spaces of the armor switch cabinet and the terminal bins are not occupied. No interferences of a high voltage and a strong magnetic field exist. The equipment operation inside the armor switch cabinet and the terminal bins is not influenced by the maintenance and repair of the mini-type electronic dehumidifying and cooling machine.
Owner:叶秋诗 +2

Method and apparatus for setting and controlling temperature

One embodiment of the present invention is a method for setting and controlling temperature of a device that includes: (a) thermally contacting the device to a heat transfer apparatus, the heat transfer apparatus having an apparatus intake to receive thermal transfer fluid, an apparatus exhaust to output thermal transfer fluid, and a conduit to conduct thermal transfer fluid from the apparatus intake to the apparatus exhaust through the heat transfer apparatus; (b) flowing a first thermal transfer fluid in a first thermal control circuit at a first temperature, and flowing a second thermal transfer fluid in a second thermal control circuit at a second temperature; (c) at a first predetermined time, directing the first thermal transfer fluid to flow to the apparatus intake, and from the apparatus exhaust back to the first thermal control circuit and the second thermal transfer fluid to flow in the second thermal control circuit without flowing to the apparatus intake; and (d) at a second predetermined time, directing the second thermal transfer fluid to flow to the apparatus intake, and from the apparatus exhaust back to the second thermal control circuit and the first thermal transfer fluid to flow in the first thermal control circuit without flowing to the apparatus intake.
Owner:CENTIPEDE SYST

Outdoor distribution box

The invention provides an outdoor distribution box, and relates to the electric power equipment technical field; the outdoor distribution box comprises a mounting plate; a pedestal is fixed on the topof the mounting plate; a holder is arranged on the pedestal top; the holder bottom and the pedestal top are fixedly connected through a damping spring; a support, a coiling motor, a coiling reel, a heat radiation chamber, a slide block, a heat radiation motor, fan blades, an air-out filter screen, a stay rope, a guide bar and a guide wheel are matched; when the heat radiation motor starts, the coiling reel on the output end makes back and forth reciprocating motions so as to wind up or release the stay rope; driven by the stay rope, the slide block drives the heat radiation motor so slide upand down on the right side of the box body inner wall; in addition, the heat radiation motor drives the fan blades to blow cool airs so as to dissipate the electric facilities in the box body, thus forming uninterrupted cold-hot circulations in the box body, and providing good heat radiation effect; the air circulation is good for moistureproof effect in the box body, thus ensuring the power equipment in the distribution box body to stably operate.
Owner:SHANDONG SHENGLI TONGHAI GRP DONGYING TIANLAN ENERGY SAVING SCI & TECH CO LTD

Multi-functional intelligent control power distribution cabinet

The invention discloses a multi-functional intelligent control power distribution cabinet. The multi-functional intelligent control power distribution cabinet comprises a cabinet body, a cabinet door and an intelligent control device, wherein an inner cavity of the cabinet body is partitioned to an upper region, an intermediate region and a lower region by an upper partition plate with holes and a lower partition plate with holes, an upper dehumidification partition layer and an upper dust filtering mesh are sequentially arranged on the upper partition plate with the holes, a lower dehumidification partition plate and a lower dust filtering mesh are sequentially arranged under the lower partition plates with the holes, the upper region in the inner cavity of the cabinet body is communicated with an air discharge hole through an air discharge passage, an exhaust fan is arranged in the air discharge hole, the lower region in the inner cavity of the cabinet body is communicated with an air inlet through an air inlet passage, and an air inlet fan is arranged in the air inlet. With the power distribution cabinet disclosed by the invention, the humidity of gas entering the cabinet body can be effectively reduced, dust is separated from the cabinet body, the temperature and the humidity of the cabinet body can be automatically regulated and controlled, the intelligent degree is high, thermal convection and moisture remove are fully achieved, a power device in the power distribution cabinet is prevented from being damaged by external factors such as dust, temperature and humidity, the stability of the power device is improved, and the service lifetime is prolonged.
Owner:DATANG YANTAN HYDROPOWER CO LTD
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