KR20220143365A - Interlocking Air Conditioning System - Google Patents

Abstract

Disclosed is an interlocking air conditioning system. The air conditioning system, which is interlocked with an atmospheric environment measurer, comprises: an atmospheric environment measurer measuring concentrations of carbon monoxide, sulfur dioxide, fine dust, and yellow dust in external atmosphere; an outside air duct having a first outside air damper for adjusting an outside air introduction amount; a first bypass pipe which is installed outside the outside air duct, connects front and rear parts of the first outside air damper to communicate, and has therein a second outside air damper for adjusting the outside air introduction amount and a first filter for filtering polluted outside air wherein the second outside air damper and the first filter are sequentially installed; an air conditioner connected to the outside air duct and including therein a second filter, a heat exchanger, and an air supply fan, which are sequentially installed; an exhaust duct which has a return fan and a first exhaust damper installed inside to discharge the inside air; a second bypass pipe which is installed outside the exhaust duct, connects front and rear parts of the first exhaust damper to communicate, and has a second exhaust damper installed therein; a mixing duct which connects a front part of the second filter of the air conditioner, the return fan and the first exhaust damper of the exhaust duct to communicate, and has a mixing damper therein for adjusting the opening degree of the outside air duct and the exhaust duct; and a controller comparing a measured value of the atmospheric environment measurer and a set value to control the opening degrees of the first and second outside air dampers and the first and second exhaust dampers. Therefore, the present invention can optimally maintain indoor air.

Description

Interlocking Air Conditioning System

The present invention relates to an air conditioning system interlocked with an atmospheric environment measuring device.

In particular, by interlocking the air-conditioning meter that measures the pollution state of the outside air and the heating and cooling system of the building,

Depending on the external air pollution condition measured by the measuring instrument, the degree of opening and primary

An atmospheric environment meter and

It relates to an air conditioning system that is interlocked.

As a prior art similar to the present invention, there is an air conditioner using the enthalpy of outside air in Domestic Utility Model Registration No. 20-0283883.

has been disclosed.

In the above prior literature, as shown in FIG. 1 , indoor temperature sensing for detecting the temperature of the interior of a building through the indoor temperature sensor 11a

Outside air temperature for detecting the temperature of air flowing into the building from outside the building through the unit 11 and the outside air temperature sensor 12a

Exhaust air temperature sensing for detecting the temperature of the air discharged to the outside of the building through the degree sensing unit 12 and the discharge temperature detecting sensor 13a

Indoor and outdoor humidity that detects the humidity inside and outside the building through the branch 13, the humidity sensor 14a, and the external temperature and humidity sensor 14b

Using the degree sensing unit 14, the RPM sensing unit 15 for detecting the RPM (rotational speed) of the indoor ventilation fan 40a, and a carbon dioxide sensor

a sensing unit 10 including a carbon dioxide sensing unit 16 for detecting the concentration of carbon dioxide (CO 2 ) in the building;

Receives the sensing signal of the sensing unit 10 to calculate the enthalpy of air flowing in from the outside, and from the inside of the building to the outside

When the enthalpy difference between the two is large by detecting the enthalpy of the air discharged to the

By greatly reducing the degree of openness, it is controlled so that less outside air flows into the building and less air is discharged to the outside.

is the control unit 20;

It includes a temperature setting unit 31 for setting the indoor temperature of the building, and a humidity setting unit 32 for setting the indoor humidity of the building,

a setting unit 30 for inputting a key value to the control unit 20;

An indoor ventilation fan driving unit that drives the indoor ventilation fan 40a for circulating indoor air under the control of the control unit 20 .

(40);

Outside air for driving the outside air inflow damper 50a for introducing outside air into the building under the control of the control unit 20 .

inlet damper driving unit 50;

An internal air exhaust damper (60a) for discharging indoor air to the outside of the building is driven under the control of the control unit (20).

Exhaust damper driving unit (60) and

The heating driving unit 70, the cooling driving unit 80, and the humidifying driving unit driving the heating device 70a, the cooling device 80a, and the humidifying device 90a.

(90); is characterized by including.

These prior documents detect the enthalpy of the outside temperature and the enthalpy of exhaust air discharged from the inside of the building to the outside, and the difference

Automatically adjusts the amount of air flowing into the building from the outside and the amount of air exhausted from the inside of the building

It has the advantage that it is very efficient and ideal energy saving is possible.

However, in the above-mentioned prior literature, the inflow of outside air is controlled by detecting only the concentration of carbon dioxide in the outside air.

Due to the insufficient detection of harmful substances in the atmosphere such as fine dust, yellow dust, and carbon monoxide, the

There was a problem that it was difficult to cope with my influx.

The present invention is to solve the above-mentioned conventional problems, and the main object of the present invention is to measure the pollution state of the external air.

The external air pollution state measured by the atmospheric environment meter by interlocking the air environment meter with the heating and cooling system of the building

Selectively apply the degree of opening of the outdoor air dampers and exhaust dampers of the air conditioning system and whether the primary filtration filter passes or not according to the

By doing so, it relates to an air conditioning system that is linked with an atmospheric environment meter that can maintain indoor air optimally.

The present invention for achieving the above object is to measure the concentration of carbon monoxide, sulfur dioxide, fine dust, yellow dust in the external atmosphere

atmospheric environment meter; an outdoor air duct having a built-in first outdoor air damper for controlling the amount of outdoor air introduced; of the outside air duct

It is installed outside, and connects the front part and the rear part of the first outdoor air damper in communication, and the amount of external air introduced therein is

A first bypass in which a second outdoor air damper for controlling and a first filtration filter for filtering contaminated outdoor air are sequentially installed

coffin; While connected to the outdoor air duct, a second filtration filter, a heat exchanger, and an air supply fan for supplying air to the room are sequentially installed therein.

installed air conditioners; an exhaust duct having a return fan and a first exhaust damper installed therein to exhaust air from the room; award

It is installed on the outside of the exhaust duct, and connects the front part and the rear part of the first exhaust damper in communication with the inside,

a second bypass pipe in which a second exhaust damper is installed; The front portion of the second filtration filter of the air conditioner, the return fan of the exhaust duct and

The first exhaust damper is connected in communication, and mixing that controls the degree of openness of the outside air duct and the exhaust duct inside it

mixing duct with damper; And by comparing the measured value and the set value of the atmospheric environment measuring instrument, the first and second outdoor air dampers and

An air conditioning system interlocked with an atmospheric environment measuring device including a controller for controlling the degree of opening of the first and second exhaust dampers

is provided

Here, when the measured value measured by the atmospheric environment measuring device is greater than the set value, the first outdoor air by the controller

In addition to blocking the damper and the first exhaust damper, the second outdoor air damper and the second exhaust damper are opened, so that the amount of outdoor air introduced by the second outdoor air damper is opened.

is set to a minimum, and when the measured value measured by the atmospheric environment meter is smaller than the set value, the control

Accordingly, the first outdoor air damper and the first exhaust damper may be opened, and the second outdoor air damper and the second exhaust damper may be blocked.

In addition, a filter differential pressure sensor for measuring the contamination level of the filter is installed in the first and second filtering filters of the present invention.

may include more.

The present invention as described above is to link the measuring instrument for measuring the pollution state of the external air and the heating and cooling system of the building, thereby providing an atmospheric environment

By comparing the measured value and the set value of the measuring instrument, the opening and closing degrees of the first and second outdoor air dampers and the first and second exhaust dampers are set to the optimum state.

It has the advantage of maintaining the indoor air optimally by adjusting it.

The terminology used herein is for the purpose of referring to specific embodiments only, and is not intended to limit the present invention.

does not As used herein, the singular forms are also included in the plural forms unless the phrases expressly indicate the opposite.

include As used herein, the meaning of "comprising" is a particular characteristic, region, integer, step, operation, element and/or component.

specifying and excluding the presence or addition of other specific characteristics, regions, integers, steps, operations, elements, components and/or groups.

it is not

Although not defined otherwise, all terms including technical and scientific terms used herein belong to the present invention.

has the same meaning as the meaning generally understood by a person of ordinary skill in the art. commonly used

Terms defined in the dictionary are further interpreted as having a meaning consistent with the related art literature and the presently disclosed content, and unless defined, are not interpreted in an ideal or very formal meaning.

3 is a block diagram of an air conditioning system interlocked with an atmospheric environment measuring device according to the present invention.

According to FIG. 3, the air conditioning system interlocked with the atmospheric environment measuring device according to the present invention includes the atmospheric environment measuring device 120 and Oe Gi-duk.

t 211 , a first bypass pipe 211a , an air conditioner, an exhaust duct 240 , a second bypass pipe 240a and a mixing duct 250 .

The atmospheric environment meter 120 is a sensor that measures the concentration of carbon monoxide, sulfur dioxide gas, fine dust, yellow dust, etc. in the external atmosphere.

All.

The outdoor air duct 211 is an air inlet passage that allows outside air to be introduced into the room.

The first outdoor air damper 212 is installed.

The first bypass pipe (211a) is installed on the outside of the outdoor air duct (211), the front portion and the rear portion of the first outdoor air damper (212)

It is configured to be connected in communication. Therefore, the outside air flowing in through the outside air duct 211 through the outside air duct 211 or

It has two paths through the first bypass pipe (211a).

Here, a first filtering filter 211b for filtering the contaminated outdoor air may be installed in the outside air duct 211 .

In addition, a second outdoor air damper 215 for controlling the amount of outdoor air introduced may be installed inside the first bypass pipe 211a.

All. When the second outdoor air damper 215 is closed, outdoor air is introduced only through the first outdoor air damper 212, whereas the second outdoor air damper

When the 215 is opened, it passes through the second outdoor air damper 215 .

The air conditioner is for exchanging the air that has passed through the outdoor air duct 211 or the first bypass pipe 211a to a low or high temperature.

As a result, there is a second filter that filters the remaining foreign substances that have not been filtered by the first filter filter 211b in the inside.

An over-filter 214 is installed.

In addition, a heat exchanger 213 is installed at the rear of the second filtration filter 214 , and a room at the rear of the second filtration filter 214 .

An air supply fan 220 for supplying air to the furnace is installed.

The exhaust duct 240 is a passage for discharging indoor air to the outside.

A return fan 230 is installed for this purpose, and a first exhaust damper 241 for controlling the exhaust amount is installed in front of the return fan 230 .

The second bypass pipe (240a) is installed outside the exhaust duct (240), the front portion and the rear portion of the first exhaust damper (241)

It is constructed by connecting the top in communication. Therefore, the outside air exhausted through the exhaust duct 240 through the exhaust duct 240 or

Or has two paths through the second bypass pipe (240a).

Here, a second exhaust damper 216 for opening and closing the flow path of the second bypass pipe is disposed inside the second bypass pipe 240a.

can be installed. When the second exhaust damper 216 is blocked, exhaust is made only through the first exhaust damper 241,

When the second exhaust damper 216 is opened, it passes through the second exhaust damper.

The mixing duct 250 includes the front portion of the second filtration filter 214 of the air conditioner, the return fan 230 and the first exhaust duct 240 of the exhaust duct 240 .

The damper 241 is connected in communication with each other, and the degree of opening of the outside air duct 211 and the exhaust duct 240 is adjusted therein.

A mixing damper 251 may be installed.

Meanwhile, the first outdoor air damper 212 , the first exhaust damper 241 , the second outdoor air damper 215 , and the second exhaust damper 216 are connected to the controller 300 .

operation can be controlled.

That is, when the measured value measured by the atmospheric environment measuring device 120 is greater than the set value stored in the controller 300, the control

The first outdoor air damper 212 is closed by the roller 300 and the second outdoor air damper 215 is opened, and the amount of outdoor air introduced by the second outdoor air damper is minimized.

It is set to high temperature and the introduced outside air is filtered through the first filtration filter (211b).

And, when the measured value measured by the atmospheric environment measuring device 120 is greater than the set value set in the controller 300, the controller

The first exhaust damper 241 is closed by the roller 300 and the second exhaust damper 216 is opened.

On the other hand, when the measured value measured by the atmospheric environment measuring device 120 is smaller than the set value set in the controller 300, the first other

The base damper 212 is opened and the second outdoor air damper 215 is closed.

In addition, when the measured value measured by the atmospheric environment measuring device 120 is smaller than the value set by the controller 300 , the first

The exhaust damper 241 is opened, and the second exhaust damper 216 is closed.

However, the outside air introduction amount and exhaust discharge amount are determined according to the measured values of the first differential pressure sensor 140 installed in the first filtration filter 211b.

By calculating the pressure loss rate, the opening/closing rate of the second outdoor air damper 215 should be set to be greater than that of the second exhaust damper 216 .

On the other hand, the controller 300

DDC (Direct Digital Control),

PLC (Programmable Logic Controller),

Proportional Integral Derivative Control (PID)

Any one of the regulators may be applied. However, it is not limited thereto, and other

Of course, a controller can also be applied.

On the other hand, in the above, the first filtration filter (211b) is activated carbon fiber nonwoven fabric and ion exchange fiber nonwoven fabric THF (tetrahydrofuran)

: It can be manufactured by immersion in tetrahydrofuran), but it is not limited thereto, and the pollutants contained in the air

Any filter can be applied as long as it can filter excessively.

All simple modifications and variations of the present invention are within the scope of the present invention, and the specific protection scope of the present invention is appended.

It will be made clear by the appended claims.

Claims (3)

an atmospheric environment measuring instrument that measures the concentration of carbon monoxide, sulfur dioxide, fine dust, and yellow dust in the external atmosphere; external intake
an outdoor air duct having a built-in first outdoor air damper for adjusting;
It is installed on the outside of the outdoor air duct, and connects the front portion and the rear portion of the first outdoor air damper in communication with the inside,
A second outdoor air damper for controlling the amount of outdoor air and a first filtering filter for filtering contaminated outdoor air are sequentially installed
a first bypass pipe;
While being connected to the outdoor air duct, a second filtration filter, a heat exchanger, and an air supply fan for supplying air to the room are sequentially installed therein.
air conditioner;
an exhaust duct having a return fan and a first exhaust damper installed therein to exhaust air from the room;
It is installed on the outside of the exhaust duct, and connects the front part and the rear part of the first exhaust damper in communication with the inside,
is a second bypass pipe installed with a second exhaust damper;
Connecting the front portion of the second filtration filter of the air conditioner and the return fan of the exhaust duct and the first exhaust damper in communication
and a mixing duct installed therein with a mixing damper for controlling the degree of opening of the outside air duct and the exhaust duct;
The degree of opening of the first and second outdoor air dampers and the first and second exhaust dampers is determined by comparing the measured value and the set value of the atmospheric environment measuring device.
controller to control;
An air conditioning system interlocked with an atmospheric environment meter comprising a. The method according to claim 1,
When the measured value measured by the atmospheric environment measuring device is greater than the set value, the first outdoor air damper and
1 The exhaust damper is blocked and the second outdoor air damper and the second exhaust damper are opened to minimize the amount of outside air introduced by the second outdoor air damper.
set to,
When the measured value measured by the atmospheric environment measuring device is smaller than the set value, the first outdoor air damper and
The first exhaust damper is opened and the second outdoor air damper and the second exhaust damper are blocked.
fire system. The method according to claim 1,
The first filtration filter and the second filtration filter further comprising a filter differential pressure sensor for measuring the contamination level of the filter is installed
is an air conditioning system that is interlocked with an atmospheric environment meter.