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Water tank and evaporation cooling unit

A water tank and box technology, applied in the field of water tanks and evaporative cooling units, can solve the problems of tank liquid level impact, liquid level switch malfunction, large liquid level waves, etc., to achieve stable operation, reduce the possibility of malfunction, Precise and reliable hydration

Pending Publication Date: 2019-12-20
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a water tank, which is used to solve the technical problem in the prior art that the water entering the water tank's water inlet has a great impact on the liquid surface of the tank, resulting in large waves on the liquid surface and misoperation of the liquid level switch.

Method used

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  • Water tank and evaporation cooling unit
  • Water tank and evaporation cooling unit
  • Water tank and evaporation cooling unit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] This embodiment provides a water tank, which includes a tank cover 1 and a tank body 2. The tank cover 1 is closed at the tank opening of the tank body 2 to seal the tank opening of the tank body 2. The tank cover 1 is provided with The water inlet 11 is used to feed the tank 2 with water. The tank 2 is provided with a water outlet 21 and a water supply port 22. The water outlet 21 is used to lead out the water in the tank 2, and the water supply port 22 is used to supply the tank. Body 2 replenishes water.

[0040] A liquid level switch 3 is also installed in the tank 2, and the liquid level switch 3 controls the opening and closing of the water supply port 22 according to the liquid level in the tank 2. When the liquid level in the tank 2 drops to a predetermined value, the liquid The level switch 3 will open the water replenishment port 22 to replenish water to the tank body 2, and when the liquid level in the tank body 2 rises, the liquid level switch 3 will close t...

Embodiment 2

[0043] This embodiment is used as a specific implementation of Embodiment 1. The buffer device 4 in this embodiment includes a pipe body 41. The two ends of the pipe body 41 are respectively the top end and the bottom end. The bottom of the body 2 and the bottom side wall of the pipe body 41 are provided with a notch 411 for water outlet. Specifically, the pipe body 41 is a hard pipe, and its bottom end can be connected to the bottom of the box body 2 by welding or screwing, so as to realize the installation of the pipe body 41 . The top of the pipe body 41 protrudes from the liquid surface in the tank body 2 and is positioned directly below the water inlet 11. Like this, after the water entering from the water inlet 11 falls, part of the water will enter the pipe body 41 from the top of the pipe body 41, The water entering the pipe body 41 will finally enter the box body 2 from the gap 411 at the bottom end of the pipe body 41 .

[0044] Although the gap 411 at the bottom of...

Embodiment 3

[0047] This embodiment is a more optimal implementation of Embodiment 2. The buffer device 4 in this embodiment also includes a plate body 42, which is installed on the inner wall of the pipe body 41 and slopes downward. It is worth noting that the plate body 42 At this time, the other end of the plate body 42 stretches toward the center of the pipe body 41, and the height of the end of the plate body 42 extending toward the center of the pipe body 41 is less than that of the plate body 42 and the tube body. The height of the position where the inner wall of the body 41 is connected. A passage for flowing water is formed between the plate body 42 and the inner wall of the pipe body 41 .

[0048] With this structure, the water flow entering from the water inlet 11 falls into the pipe body 41, and will hit the plate body 42 from top to bottom, and because the plate body 42 is inclined downward, the water flow will follow the plate body 42 Downward, and continue to flow downward...

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Abstract

The invention relates to a water tank and an evaporation cooling unit, and belongs to the technical field of heat exchange devices. The water tank includes a box body and a box cover, and the box cover covers at a box opening of the box body, the box cover is provided with a water inlet, and a water outlet and a water supply port are arranged in the side wall of the box body; the water tank further comprises a liquid level switch, and the liquid level switch is installed in the box body and controls the opening and closing of the water supply port according to the height of the liquid level inthe box body; the water tank further comprises a buffer device, the buffer device is installed in the box body and can be used for buffering the impact of water flow from the water inlet on the liquid level of the water tank. According to the water tank with the structure, the impact of the water flow entering the box body on the liquid level in the box body is smaller, waves generated on the liquid level are further smaller, the impact on the liquid level switch is reduced, the probability of opening and closing the water inlet accidentally by the liquid level switch is reduced, and the stability of the water supply of the water tank is improved. The evaporation cooling unit uses the water tank, so that the evaporation cooling unit operates more stably and reliably.

Description

technical field [0001] The invention belongs to the technical field of heat exchange devices, in particular to a water tank and an evaporative cooling unit. Background technique [0002] In recent years, my country's rail transit has developed rapidly. For the HVAC equipment required by the rail transit environment, the evaporative cooling unit has the advantages of high energy efficiency ratio, convenient installation, and small footprint, which makes the evaporative cooling unit highly suitable for the subway track environment. The design of the water tank of the chiller has a crucial influence on the space and function of the chiller. [0003] In the prior art, the water tank used by the evaporative cooling unit not only has a water inlet and a water outlet, but also has a water replenishment port for replenishing water to the water tank. When the liquid level in the water tank is lower than the predetermined value, the liquid level switch controls the opening of the wate...

Claims

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Application Information

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IPC IPC(8): F25B41/00F25B43/00F25B49/00F25B41/40
CPCF25B41/00F25B43/003F25B49/00
Inventor 冯文星陈培生黄洪乐王朴忠林梓超
Owner GREE ELECTRIC APPLIANCES INC