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Multi-stage heat recovery fresh air system of central air conditioner

A technology of central air conditioning and fresh air system, applied in air conditioning systems, energy recovery systems for ventilation and heating, ventilation systems, etc., can solve the problems of inability to adjust temperature, large power consumption, slow temperature response, etc., to achieve rapid heating Effect

Pending Publication Date: 2022-03-01
JINGUODA TECH HUNAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the current heat recovery fresh air system cannot adjust the temperature during heat exchange. When people go home after exercising, people will feel that the room is hotter. The current adjustment method can only adjust the temperature of the air conditioner to adjust the temperature However, due to people’s slow response to temperature sensation, when people feel cold, people need to manually increase the temperature of the air conditioner, and it will take a certain amount of time to heat the room temperature after the increase; Running after turning up and down will produce a large power consumption

Method used

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  • Multi-stage heat recovery fresh air system of central air conditioner
  • Multi-stage heat recovery fresh air system of central air conditioner
  • Multi-stage heat recovery fresh air system of central air conditioner

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] see Figure 1-Figure 9 As shown, a multi-stage heat recovery fresh air system for a central air conditioner is provided, including an exhaust device 100 and an adjusting device 200 disposed in the exhaust device 100. The exhaust device 100 includes a casing 110 and a cover plate 120, and the casing 110 is provided with a first partition 111, the first partition 111 divides the housing 110 into an installation cavity and a temperature adjustment cavity, a second partition 112 is arranged in the installation cavity, and the second partition 112 divides the installation cavity The cavity is divided into an air inlet cavity and an exhaust air cavity. An air inlet fan 113 is installed in the air inlet cavity, and an exhaust fan 114 is installed in the exhaust air cavity. The bottom of the first partition 111 is connected with a first ventilation pipe 115. And the second ventilation pipe 116, the first ventilation pipe 115 is located at the air inlet cavity, the second ventil...

Embodiment 2

[0059] In order to store hot gas, the following improvements are made on the basis of Example 1:

[0060] see Figure 10 As shown, wherein, one side of the liquid storage box 221 is connected with a transmission rod 240, and one end of the transmission rod 240 is connected with a plug board 241, and the bottom of the air inlet pipe 214 is provided with a slot for plugging in with the plug board 241, considering The liquid storage box 221 cools down the liquid storage box 221 when it rises, but when people feel cold, the indoor temperature is very cold. Therefore, the liquid storage box 221 rises and drives the plate 241 to rise through the transmission rod 240, and the plate 241 rises. 241 rises and inserts into the air inlet pipe 214 to block the air inlet pipe 214, so that the air inlet pipe 214 cannot discharge air, the gas is compressed in the heat exchange cavity 213, and the gas stays in the heat exchange cavity 213 to have sufficient time and The box body 211 is in con...

Embodiment 3

[0062] In order to improve the heating efficiency of the water in the casing 211, the following improvements are made on the basis of Embodiment 2:

[0063] see Figure 11 As shown, wherein, the top of the air inlet pipe 214 is provided with a perforation 242, and a cap 243 is slidably connected to the perforation 242. The side wall of the cap 243 is provided with a plurality of through holes 244. When the air inlet pipe 214 is blocked, the gas is At this time, a large pressure is generated in the air inlet pipe 214 to lift the cap 243, and part of the heat-exchanged gas is discharged into the temperature-regulating cavity through the through-hole 244, so that the temperature of the temperature-regulating cavity is raised, thereby speeding up the heating process. The heating efficiency of the water in the liquid storage box 221 further reduces the waiting time for people to use water.

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Abstract

The multi-stage heat recovery fresh air system of the central air conditioner comprises an air exhaust device and an adjusting device arranged in the air exhaust device, the air exhaust device comprises a shell and a cover plate, a first partition plate is arranged in the shell and divides the interior of the shell into an installation cavity and a temperature adjusting cavity, and the temperature adjusting cavity is arranged in the installation cavity. In the multi-stage heat recovery fresh air system of the central air conditioner, through the arranged adjusting assembly, a threaded rod is rotated to enable the liquid storage box to rise, at the moment, water in the liquid storage box makes contact with the box body and absorbs heat of the box body, the heat exchange efficiency is reduced, at the moment, the indoor temperature is reduced, and the temperature of the air conditioner does not need to be adjusted back and forth; the problems that at present, the room temperature can only be adjusted by adjusting the temperature of an air conditioner, and large power consumption can be generated after the air conditioner operates after being adjusted are solved.

Description

technical field [0001] The invention relates to the technical field of fresh air systems, in particular to a multi-stage heat recovery fresh air system for a central air conditioner. Background technique [0002] The fresh air system is an independent air treatment system composed of an air supply system and an exhaust system. It is divided into two types: ducted fresh air system and ductless fresh air system. The ducted fresh air system is composed of fresh air fans and pipe fittings. The outdoor air is purified by the fresh air fans and introduced into the room, and the indoor air is discharged through the pipes. The ductless fresh air system is composed of fresh air fans. The heat recovery fresh air system is a device that uses the recovery of exhaust air heat (cooling capacity) to reduce indoor cooling and heating loads. It can not only introduce fresh outdoor air, but also greatly reduce energy consumption, which is environmentally friendly and energy-saving. [0003] ...

Claims

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Application Information

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IPC IPC(8): F24F3/00F24F12/00F24F13/30F24F13/10F24F3/16F24F8/108F24F8/158F24F13/28
CPCF24F3/00F24F12/00F24F13/30F24F13/10F24F3/16F24F8/108F24F8/158F24F13/28
Inventor 杨开国沈韶武
Owner JINGUODA TECH HUNAN
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