Drain pipe anti-freezing system outside building

Abstract

The invention relates to a drain pipe anti-freezing system. The drain pipe anti-freezing system is formed by a drain pipe water inlet connecting opening, an elastic converged flow guide opening, a controller, electric heaters, a water sensor and an atmospheric temperature sensor; the drain pipe water inlet connecting opening is of an inverted trapezoidal structure; the bottom of the drain pipe water inlet connecting opening is inserted into a drain pipe; the water flowing down is guided to the position of a central axis of the drain pipe through the elastic converged flow guide opening to enable the water flowing down to rapidly fall down to a drain pipe outlet in a free falling body mode, wherein the drain pipe outlet is vertically formed; when the water flowing down is more, the elastic converged flow guide opening can be correspondingly expanded under the action of the water to allow more water to pass through smoothly; the inner wall of the drain pipe water inlet connecting opening is provided with the water sensor and the electric heaters; a signal receiving end of the controller is connected with the water sensor and the atmospheric temperature sensor; an output end of the controller is connected with the electric heaters. According to the drain pipe anti-freezing system, the freezing problem in the drain pipe is solved, the effective protection on the building is achieved, the performance is safe and reliable, and the drain pipe anti-freezing system is particularly suitable for northern area.

Description

technical field [0001] The invention belongs to the field of construction, and in particular relates to an antifreeze system for drainage pipes outside a building. Background technique [0002] The water accumulated on the top of urban buildings is mainly drained to the ground by the drainage pipes installed on the outside of the buildings. During the early and late winter in the north, the ambient temperature often changes around 0°C, especially when there is sunlight during the day. The ambient temperature is above 0°C, the snow on the top of the building is melted by sunlight, and the temperature of the drainage pipe outside the building without direct sunlight or at night may be below 0°C, and the low temperature above 0°C after the top of the building melts The accumulated water gradually cools down in the process of slowly flowing down the wall of the drain pipe, and will gradually freeze until it freezes into ice, eventually causing the drain pipe to be cracked and br...

AI Technical Summary

Problems solved by technology

[0002] The water accumulated on the top of urban buildings is mainly drained to the ground by the drainage pipes installed on the outside of the buildings, and during the early and late winter in the north, the ambient temperature often changes around 0°C, especially when there is sunlight during the day The ambient temperature is above 0°C, the snow on the top of the building is melted by sunlight, and the temperature of the drainage pipe outside the building without direct sunlight or at night may be below 0°C, and the temperature above 0°C after the top of the building melts The accumulated water gradually cools down in the process of slowly flowing down the wall of the drain pipe, and will gradually freeze until it freezes into ice, eventually causing the drain pipe to be cracked and broken, so that the accumulated water on the top of the building can only flow along the wall of the building. It will cause the wall surface of the building to peel off and the inner wall to become moldy and hairy. It will also damage the building structure and reduce the life of the building.

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