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A ventilation and air conditioning unit

A technology of air-conditioning units and fans, which is applied in air-conditioning systems, space heating and ventilation, heating and ventilation control systems, etc., and can solve problems such as inability to meet human comfort requirements

Inactive Publication Date: 2015-12-02
南京东创节能技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to propose a ventilation and air-conditioning unit with dual fans, which can meet the comfort requirements of the human body while increasing the set temperature, in view of the current situation that the current air conditioner setting temperature cannot meet the requirements of human comfort when the setting temperature is raised above 25°C

Method used

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  • A ventilation and air conditioning unit
  • A ventilation and air conditioning unit

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Embodiment Construction

[0017] The present invention will be further described below in conjunction with drawings and embodiments.

[0018] Such as figure 2 As shown, a ventilation and air conditioning unit includes a first fan 7, a surface cooler 5, a cold air box 6, a water flow regulating valve 10, an indoor temperature sensor 4, a return air plenum 1 and a control system. The air inlet of the return air plenum 1 includes the fresh air inlet 2 and the first indoor return air outlet 3, the air outlet of the return air plenum 1 is connected to the cold air box 6, and the first fan 7 is arranged in the cold air box 6, and the surface cooler 5 is set on the cold air box 6; the indoor temperature sensor 4 is set at the first indoor return air outlet 3; the input end of the surface cooler 5 is connected to a chilled water supply pipe 9, and the output end of the surface cooler 5 is connected to a chilled water The return pipe 8 and the water flow regulating valve 10 are arranged on the chilled water r...

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Abstract

A ventilation air conditioning unit comprises a first fan, a surface air cooler, a packaged air conditioner, a water flow control valve, an indoor temperature sensor, a return air plenum still pressure box, a control system, an indoor humidity sensor, a second indoor return air inlet and a second fan. The indoor humidity sensor is arranged on a first indoor return air inlet, the second indoor return air inlet is formed in the packaged air conditioner, and the second fan is arranged in the packaged air conditioner; a signal output end of the indoor humidity sensor is connected with a signal input end of the control system, and one signal output end of the control system is connected with the second fan. Humidity control and high-speed running of the ventilation air conditioning unit can be performed through the control system, air conditioning setting temperature is increased while comfortable degree of a human body is guaranteed, and the purpose of energy conservation and being healthy is achieved.

Description

technical field [0001] The invention relates to the field of central air-conditioning and refrigeration, in particular to a ventilation and air-conditioning unit. Background technique [0002] Air treatment terminal principle of conventional comfort central air conditioner, such as figure 1 . The design process is: based on "indoor air-conditioning design temperature in summer: 25±1°C, relative humidity: 55±10%, indoor maximum allowable wind speed: 0.3m / s" (this is a common data to meet human comfort), and The air conditioning unit is selected according to the heat and humidity load of the indoor and fresh air. During operation, the water flow regulating valve is adjusted according to the change of the indoor temperature to achieve a constant indoor temperature. The indoor air condenses and condenses water while being cooled by the surface cooler, and the indoor is relatively Humidity is basically guaranteed. [0003] If the temperature of the air conditioner is increased...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F1/00F24F11/02
Inventor 杨建宁
Owner 南京东创节能技术有限公司
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