greenhouse in the northwest, such as electric sunshade system, electric ventilation

greenhouse in the northwest, such as electric sunshade system, electric ventilation

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Hot plate hot fusion welding: thermoplastic welding equipment using surface heat conduction melting to weld the surface of plastic workpiece. It is not limited by the material and size of the parts, and the welding seal is good. It is suitable for the welding of large special-shaped workpieces such as airbag, dashboard, sunshade, car water dispenser, taillight, expansion water tank, brake oil cup and so on.

greenhouse in the northwest, such as electric sunshade system, electric ventilation

A shade arch shed was built in the field. The height of both sides of the arch shed should be higher than 25cm from the nursery bed and above 45cm in the middle. After covering the colorless plastic film, it is covered with about 65% sunshade net, and the edge is compacted to prevent air leakage and ventilation. When the temperature in the shed reaches or exceeds 40 ℃ during the day, remove the film at both ends or in the middle to reduce the temperature to prevent the seedlings from being burned by high temperature; do a good job of heat preservation and moisture preservation by compacting the edge of the shed in winter.

Generally speaking, the horizontal sunshade with an outdoor south elevation of 45 °can easily cover 68% of the solar radiation heat. Installed in the window inside the curtain, soft 100 pages and other sunshade facilities, most of the solar radiation heat absorbed by it is distributed to the indoor air. The sun visor installed on the outside absorbs most of the radiant heat and distributes most of the outdoor air, thus reducing the impact on indoor temperature. Therefore, the use of external sunshade (sunshade) is the best way to save energy in buildings. Intelligent design of sunshade system.

The energy consumption is slightly higher. Therefore, the multi-span greenhouse in the northern region needs to do a good job of heat preservation. Carry out R & D and design in thermal insulation. How to build a three-span greenhouse before determining the use of the multi-span greenhouse for the project, we should first consider the orientation of our region, the climate characteristics, the use of the glass greenhouse. For example, in the glass greenhouse for planting and seedling raising in the northern region, the important work is to maximize the thermal insulation performance of the greenhouse under load. We can add an internal thermal insulation system on the top floor of the greenhouse. The glass around the greenhouse should use double-layer hollow glass as much as possible, and for example, to build a glass greenhouse in the northwest, such as electric sunshade system, electric ventilation system and so on. By adding terminal equipment of the Internet of things, this kind of multi-span greenhouse can automatically start and stop the greenhouse equipment by issuing data acquisition and analysis instructions.

Audio failures are generally divided into two categories: one is caused by improper use, and the other is caused by the weather. Now most new cars are equipped with CD equipment, the main factors affecting the normal work of car audio in late summer and early autumn are high temperature and humidity. Because the car audio is mostly installed in the upper part of the dashboard, in order to avoid the exposure of the sun, the effect of using sunshade is better. If the door and window sealing strip is not strict, it should be replaced, otherwise the loudspeaker is easy to rust and damage, or even cause short circuit to burn the main engine. With the coming of the rainy season, the humidity increases, and there is often a layer of fog on the surface of CD records, which makes it difficult to read the disc. It is best to scrub it every once in a while. If the CD drive is modified, in order to avoid dampness, do not install it under the floor and seat, preferably on the high part of the car body, but not on the rear windshield, too high temperature will accelerate the aging of electronic components and laser head.

It is always inevitable to park cars outdoors in summer. In the scorching sun, the temperature inside the car will rise sharply to 50, 60 ℃ or more, such as the damage to the dashboard and leather seats can be imagined. At this time, a windshield can save the car from “cauterization”. Sunshade panel is a kind of sunscreen with reflective surface. When the vehicle is parked, the sunscreen placed at the front and rear windscreen can reflect sunlight, which can not only reduce heat into the car, but also avoid strong sunlight exposure to dashboards and console panels. When choosing and buying, it is best to choose a folded sunshade, which can be folded and stored when the weather turns cool, which is not only easy to carry, but also easy to save.