An airflow organization induction enhancement system suitable for air-conditioned rooms

A technology of airflow organization and enhanced system, which is applied in space heating and ventilation, space heating and ventilation control input, and control input related to air characteristics, etc. It can solve the problems of uneven heating and cooling, poor temperature control accuracy, etc. Strong applicability, avoiding the construction process, ensuring the effect of indoor thermal comfort quality and air conditioning energy consumption level

Active Publication Date: 2020-05-05
CHONGQING UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The present invention proposes an airflow organization induction and enhancement device suitable for air-conditioned rooms. The device can be linked with the air-conditioning terminal equipment to collect real-time temperatures of various points in the room, and induce and strengthen the indoor airflow organization according to the control strategy, and properly solve the widespread problems. The problem of uneven heating and cooling in the room and poor accuracy of temperature control

Method used

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  • An airflow organization induction enhancement system suitable for air-conditioned rooms
  • An airflow organization induction enhancement system suitable for air-conditioned rooms
  • An airflow organization induction enhancement system suitable for air-conditioned rooms

Examples

Experimental program
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Effect test

Embodiment 1

[0053] in such as image 3 In the room shown, a ceiling-mounted fan coil unit is used as the main equipment for indoor thermal environment control. Due to the shape of the room, under the original design conditions, it is difficult to form an effective air flow organization in the upper left area of ​​the room (the shadow of part A) . As a result, the cooling and heating adjustment effect in the shaded area is not obvious, the indoor temperature is uneven for a long time, and the comfort is poor.

[0054] Install the system disclosed in this patent in a room:

[0055] 1) The air conditioner linkage module (5) collects the operating condition information of the air conditioner and transmits it to the control module (2):

[0056] If the air conditioner is on, go to step 2);

[0057] 2) The temperature sensor (6) collects the air dry bulb temperature t at each point in the room 1 , t 2 ... t n , and transmitted to the control module 2, n is the number of temperature sensors...

Embodiment 2

[0067] in such as Figure 4 In the room shown, a ceiling-mounted fan coil unit is used as the main equipment for indoor winter heating. Due to the high room floor height and low hot air density, the hot air only circulates in a small area in the upper part of the room, as shown in Figure 4 as shown in part (A). And the lower working area where people live ( Figure 4 The shaded part of part A) cannot meet the thermal comfort requirements due to the inability to conduct effective air distribution, and at the same time, most of the energy consumption of the air conditioner is used to heat the upper space, resulting in waste.

[0068] Similar to Example 1, install the system disclosed in the patent of the present invention in the room, find out position a and position b, and adjust the opening and closing of the air valve to form a Figure 4 (B) The induced air flow effect shown in part; after 15 minutes, the control module repeats the judgment logic and finds that the differe...

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Abstract

The invention discloses an airflow distribution inducing and enhancing system suitable for an air-conditioning room which aims to solve the problems of uneven indoor thermal distribution, poor temperature control, poor thermal comfort and high air-conditioning energy consumption which are caused by imperfect airflow distribution design of the air-conditioning room in an existing building. The indoor airflow distribution inducing and enhancing system is suitable for air-conditioning room thermal environmental reforming, linked with air-conditioning equipment based on indoor thermal environmental state monitoring. The effect that the indoor airflow distribution can be effectively enhanced on the premises that the indoor wind speed is not obviously accelerated, and low fan energy consumption is used can be achieved, and the problems that the thermal distribution of the air-conditioning room is uneven, and the temperature control accuracy is poor are effectively solved; and meanwhile under the winter operating condition, through enhancement of the airflow distribution in the vertical direction, the problem of the cold lower part and hot upper part can be effectively solved, and therefore the energy consumption of an air conditioner is effectively reduced under the condition that the indoor thermal comfort is guaranteed.

Description

technical field [0001] The invention belongs to the field of air conditioning, and in particular relates to the construction of indoor airflow organization and its control strategy. Background technique [0002] Airflow organization is a very important content in air-conditioning design, and it is the basic premise of indoor heat and humidity regulation, but it is also one of the reasons that often lead to the loss of control of indoor heat and humidity environment. A large number of research and test data show that at this stage, many existing buildings in my country have varying degrees of airflow failure phenomena. The reasons include the physical characteristics of the air itself, poor consideration in design, and changes in building functions. [0003] The density of air changes with the change of air temperature, and its density decreases with the increase of air temperature. Due to the density characteristics of air, in air-conditioned rooms, stratification often occ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F13/06F24F13/02F24F11/72F24F11/89F24F110/10
CPCF24F13/06
Inventor 丁勇唐浩高亚锋喻伟翁庙成
Owner CHONGQING UNIV
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