In recent years, with the rapid development of new building materials, plastic aluminum composite pipes and cross-linked polyethylene pipes with high temperature resistance, corrosion resistance and low price have been produced, which has rapidly promoted the floor radiant heating technology. Then, floor heating and ordinary convection heating are not the same as solid wood? According to an interview, some insiders revealed that floor heating and ordinary convection heating have the following differences.
Geothermal heat radiates heat from the bottom of the floor, the temperature in the horizontal direction is uniform, the lower temperature is high, the upper temperature is low, and the area with the highest temperature is the place where people have the most activities. This is beneficial to maximize the heat. Reasonable use will not cause convection in the dirty air in the room, thus keeping the indoor air clean and beneficial to human health.
In the cold winter, the floor has the dual function of temperature and radiation heat, which solves the problem of 'cold from the foot' and realizes 'heat from the ground'. The indoor temperature decreases from the bottom to the top of the trapezoid, giving people a hot feeling of head and a cool sensation of head, in line with the physiological needs of the human body. The heat in the convection heating method is to dissipate heat from the side of the room with the radiator to the other facing flow. Although the indoor temperature is up to the heating standard, the floor under the foot is cool.
Since the radiator and the heating riser and the branch pipe are eliminated indoors, the heating pipe network is laid under the floor, which not only facilitates the installation of floor-to-ceiling windows, but also makes the room spacious and bright; and is conducive to the decoration and layout of the furniture, which can save a lot of decoration costs; The use of the room can save a lot of renovation costs; at the same time increase the use of the room, generally 60 square meters of housing can increase 2-3 square meters, which means that the residents saved thousands or even thousands of home purchases . The floor and concrete layers have large heat storage. Even under intermittent heating conditions, the indoor temperature is slower than that of the ordinary convection heating system, and the thermal stability is good.
During the operation, the maintenance is simple, and only the filter needs to be replaced regularly, which not only saves maintenance costs, but also greatly reduces the operating cost of the heating unit. The heating pipe network is laid under the floor, and the pipe material is more resistant to corrosion, anti-aging, less leaking (under the ground) and scale, water resistance and coefficient of thermal expansion, and the service life can reach 50 years. At the same time, in the process of heat medium transfer, the heat loss is small and the efficiency is high. Under the same conditions, the convection heating can be increased by 2-3 °C. When the meter is metered and the heat is charged, the user can save a lot of heating. cost.
Another major feature of floor heating is that since the method is a dual system, the heating pipes of each room are connected to the centralized water separator, and valves are arranged at the interface of each room to realize the adjustment of the room temperature of the residents. At the same time, the heat meter and the control valve can be installed on the main pipe of the household, and the control and measurement of the heating and heating of the residents are realized, so that the heat becomes a measurable commodity, so that the residents can use the heat fee to realize the heat supply according to the heat used. The fee is conducive to promoting the commercialization of heating.
Sub-controller of LED applying system. The DMX-S8 receives the pixel data frame sent by the RTP-S1500 Main Controller. According to the address set by itself, the corresponding data in the pixel frame is taken out. After the format is adjusted, the data is sent out from the controlling port at a specific timing sequence to control the LED light to change color. Set up 2 RJ45 network interfaces; When using unshielded Twisted Pair, the distance of transmission from the main controller to the sub-controller and sub-controller to sub-controller is more than 100 meters; Connect to the switch for network to extend the distance of transmission; Single controller can connect up to 16 computer; Automatically identify its position in the system; Set up 8 DMX512 controlling ports with auto-addressing function. The number of single-port controlling pixels is 170 full-color pixels, 512 monochrome pixels, and the type of connector is the pluggable terminal; Each port conduct optical isolation protecting to ensure the stability of the entire controlling system;
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