KR20130097457A - Apparatus for regulating temperature in central cool/heating system - Google Patents

Abstract

PURPOSE: A device for regulating temperature in a central cool and heating system is provided to enable the individual temperature regulation of each room using a blowing regulation unit and a temperature controller for controlling the blowing regulation unit in each room. CONSTITUTION: A device for regulating temperature in a central cool and heating system comprises an air conditioning duct (50), a central cooling and heating device (41), a central air conditioner (40), an intake controller (210), and a temperature controller (200). The air conditioning duct is installed inside a building (10) to supply heating or cooling air to a room. The central cooling and heating device produces cooling or heating air. The central air conditioner is built in with the central cooling and heating device and circulates the heating or cooling air produced by the central cooling and heating device through the air conditioning duct. The intake controller is connected to the air conditioning duct and allows the heating or cooling air circulated by the central air conditioner to flow into the room. The temperature controller controls the intake controller and the air intake amount of the heating or cooling air into the room. [Reference numerals] (40) Central air conditioner; (AA) Room 7; (BB) Room 8; (CC) Fourth floor; (DD) Room 6; (EE) Third floor; (FF) Room 3; (GG) Room 4; (HH) Room 5; (II) Second floor; (JJ) Room 1; (KK) Room 2; (LL) First floor; (MM) Heating; (NN) Cooling

Description

Apparatus for regulating temperature in central cool / heating system

The present invention relates to a temperature control system in a central air-conditioning system, and more particularly, by sensing the temperature in each room even in the environment of the central air-conditioning system to adjust the degree of damper (damper) according to the sensed temperature by heating and cooling in each room It is about the temperature control device to control.

In general, energy consumption is rapidly increasing in all fields as the desire for securing a pleasant living environment is increased due to the improvement of living standards due to the rapid progress of industrialization.

In particular, as the number of high-rise buildings is increasing, the high efficiency of the air conditioning system is becoming the most important field in the design of buildings. Since the air conditioning system is directly related to the energy cost, which accounts for the largest portion of the life cycle cost (LCC) of the building, it must be carefully considered to select a system suitable for the characteristics of the building from the early stage of the design.

In the air conditioning system, each air conditioner is equipped with an air conditioner and an outdoor unit individually to provide cooling and heating, and air required for air conditioning from a central machine room equipped with a refrigerator, a boiler, an air conditioner, etc. is supplied to a required place or the room through a duct. There is a central air conditioning system.

The individual air conditioning system creates an unpleasant living environment for users and neighboring residents due to the noise and vibration of the outdoor unit, and requires an outdoor unit installation area for each air conditioner. In the case of the air-cooled multi-system which is increasing in recent years, it is possible to reduce the number of outdoor units installed, but still need to install the required number of outdoor units, and appearance and aesthetic problems are caused by the installation of the outdoor units.

In addition, since the outdoor unit is installed in a convenient place for each individual place, there is a disadvantage in that the centralized management due to the distributed installation of the outdoor unit is disadvantageous, and in the condensation method for the liquefaction of the refrigerant, compared to the water-cooled type due to the difference in the heat transport capacity. There is a problem that the installation area of the outdoor unit is increased.

The All Air System, which is widely used in the Central AHU System, has to transport heat required for heating and cooling from the air conditioner to each air conditioning zone by using air as compared to the case of using water as a heat medium. Energy consumption for transporting heat medium increases about 8 times when cooling and about 17 times when heating.

In the design of the system, the central air conditioning system is a system in which one air conditioner is in charge of several air conditioning zones having similar air conditioning and heating characteristics and ventilation characteristics, and controls temperature / humidity based on the total representative value of the air conditioning zone.

1 is a view illustrating a general concept of the central air conditioning method. Referring to FIG. 1, a plurality of rooms 1 to 3 30 are partitioned in one building, and an air conditioning duct 50 is provided to supply warming and / or cooling air to these rooms 30. Then, the central air conditioner 40 which circulates this air to this air conditioning duct 50 is comprised.

Of course, the central air conditioner 40 is configured with a cooling and heating supply device 41 for generating warm and / or cooling air, the air outlet 20 connected to the air conditioning duct 50 on the ceiling of each room (30) Is composed.

By the way, when the central air-conditioning system of the central air conditioning system, there is a problem that can not control the temperature individually because the constant air flows in one direction toward the room (30).

In other words, the living room of a certain room may want a state in which the room temperature is 18 ℃, in the case of the central air conditioning system because the temperature of all rooms are uniformly set to 20 ℃ has the disadvantage that you can not control the room temperature individually in each room.

The present invention has been made in order to overcome the disadvantages according to the prior art, the object of the present invention is to provide a temperature control device that can individually control the temperature in each room in the central air-conditioning system of the central air conditioning system.

The present invention provides a temperature control device in a central air conditioning system to achieve the above-mentioned problem. The temperature control device, the air conditioning duct 50 is installed in the building 10 to supply the air for heating or cooling air to the room (30); A central air conditioning supply unit 41 for generating the heating air or cooling air; A central air conditioner (40) for circulating the heating air or the cooling air generated by the central air conditioning supply device (41) through the air conditioning duct (50) when the central air conditioning supply device (41) is installed inside; An inflow rate control unit (210) connected to the air conditioning duct (50) to introduce heating air or cooling air circulated by the central air conditioner (40) into the room (30); And a temperature controller 200 controlling the inflow rate control unit 210 to adjust the inflow amount of heating air or cooling air into the room 30.

In addition, the temperature controller 200, the temperature sensor unit 310 for sensing the temperature of the room 30; Air inflow control information for receiving the measurement temperature information of the room 30 sensed by the temperature sensor unit 310 to control the heating air or cooling air inflow amount by a predetermined temperature difference between the room 30 A temperature control unit 300 for generating a; And a first communication unit 360 for transmitting the air inflow control information to the inflow control unit 210 in a wired or wireless manner according to a command of the temperature control unit 300.

In addition, the inflow control unit 210, the inflow control unit 210,

A second communication unit 410 for receiving the temperature inflow control information from the first communication unit 360 by wire or wirelessly; A microprocessor 400 generating a motor control signal according to the received temperature inflow control information; A motor driver 420 for driving the motor 530 according to the motor control signal; And an inflow rate adjusting unit 430 communicating with the air conditioning duct 50 and controlling the inflow amount of heating air or cooling air into the room 30 by driving the motor 530. You can do

In addition, the inflow rate adjusting unit 430, the duct connecting portion 540 in communication with the air conditioning duct 50; An electric damper (500) communicating with the duct connecting portion (540) and adjusting the amount of heating air or cooling air flowing into the room (30) through the duct connecting portion (540); And it may be characterized in that it comprises a diffuser 220 in communication with the electric damper 500 to blow air for heating or cooling air to the room (30).

In another embodiment, the inflow rate adjusting unit 430, the duct connecting portion 540 in communication with the air conditioning duct 50; A centrifugal fan communicating with the duct connection part 540 and adjusting a heating or cooling air inflow amount introduced into the room 30 through the duct connection part 540 according to the rotation speed; A motor 530 for driving the centrifugal fan; And it may be characterized in that it is connected to the centrifugal fan and comprises a diffuser 220 for blowing air for heating or cooling air to the room (30).

According to the present invention, by configuring the air conditioner and the temperature controller for controlling the air conditioner for each room, even in the central air-conditioning system, there is an effect that the temperature can be adjusted for each room individually.

Another effect of the present invention is that when the temperature of the building rises to a certain temperature due to a fire or the like, the damper is blocked to block heat from the fire or prevent the fire from spreading.

1 is a conceptual diagram of a central air conditioning system according to the prior art.
2 is a conceptual diagram of a central air conditioning system capable of adjusting individual temperatures according to an embodiment of the present invention.
3 is a circuit block diagram of the temperature controller 200 shown in FIG. 2.
FIG. 4 is a circuit block diagram of the inflow rate control control unit 210 shown in FIG. 2.
5 is a configuration diagram of the inflow rate adjusting unit 430 shown in FIG.

While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and will herein be described in detail. It is to be understood, however, that the invention is not to be limited to the specific embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

Like reference numerals are used for similar elements in describing each drawing.

The terms first, second, etc. may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another.

For example, without departing from the scope of the present invention, the first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component. The term "and / or" includes any combination of a plurality of related listed items or any of a plurality of related listed items.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the meaning in the context of the relevant art and are to be construed as ideal or overly formal in meaning unless explicitly defined in the present application Should not.

Hereinafter, a temperature control apparatus in a central air conditioning system according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

2 is a conceptual diagram of a central air conditioning system capable of adjusting individual temperatures according to an embodiment of the present invention. Referring to FIG. 2 , the temperature control device includes an air conditioning duct 50 installed in the building 10 to supply heating air or cooling air to the room 30; A central air conditioning supply unit 41 for generating the heating air or cooling air; A central air conditioner (40) installed inside the central air conditioning supply unit (41) for circulating heating air or cooling air generated by the central air conditioning supply unit (41) through an air conditioning duct (50); An inflow rate control unit (210) connected to the air conditioning duct (50) to introduce heating air or cooling air circulated by the central air conditioner (40) into the room (30); And a temperature controller 200 for controlling the inflow rate control unit 210 to control the inflow amount of heating air or cooling air into the room 30.

In general, a plurality of rooms 1 to 8 (30) in the building 10 is divided into partitions. In FIG. 2, only the concept of a room is illustrated for convenience of understanding of the present invention by omitting windows and doors.

In addition, the air conditioning duct 50 is installed inside the building 10 and is connected to the inflow amount control controller 210 installed on the ceiling of each room 30. 4 is a view illustrating a configuration of the inflow rate control control unit 210. This will be described later.

Of course, the air conditioning duct 50 is connected to the central air conditioner 40 installed on one side of the building 10, the central air conditioner 40, the discharge unit (not shown) for discharging the air for heating or cooling air, A central air-conditioning and supplying device 41 is provided in the suction unit (not shown) and the central air conditioner 40 for sucking the circulated heating air or cooling air.

2 does not show the configuration of sucking the circulated heating air or cooling air, but a suction means is installed on the bottom surface of the room 30 so that the suction means and the central air conditioner 40 communicate with each other through a duct. It is possible to circulate cooling air.

At this time, the suction part, the discharge part and the central air-conditioning supply device 41 are partitioned by the isolation frame to introduce and / or discharge the air.

The intake unit (not shown) is sucked by the return air (return air) along the air conditioning duct 50, and performs the function of delivering the sucked air to the central air conditioning supply (41). Of course, a suction blower (not shown) may be provided for the air suction function.

The suction blower sucks the indoor air on one side by the rotation of the centrifugal fan and discharges the circulated air to the central air conditioning supply device 41 on the other side. There may be various driving methods of the suction blower. For example, the suction blower may include a centrifugal fan and a fan motor for rotating the centrifugal fan.

The central air-conditioning and supply device 41 is installed at the rear end of the coil-shaped heat exchanger (not shown) and the heat exchanger that heats the mixed air mixed with a predetermined amount of indoor air and a predetermined amount of outdoor air introduced through the suction unit (not shown). And a reheat heater (not shown) for heating the supercooled temperature.

Therefore, the central air-conditioning supply device 41 is connected to a heat pump (not shown) installed outdoors to cool or warm up the introduced mixed air, and an air conditioning duct communicating with the discharge part through a discharge part (not shown) ( Vent the heating or cooling air towards 50).

Since the central air-conditioning and supply device 41 is already widely known, a detailed description thereof will be omitted.

Referring to FIG. 2, the temperature controller 200 is electrically installed in the room 30 to electrically control the inflow rate control controller 210. The temperature controller 200 and the inflow rate control unit 210 may be connected by wire and / or wireless 211. A diagram showing the configuration of such a temperature controller 200 is shown in FIG. 3. 3 will be described later. 2 shows an appearance of such a temperature controller 200 in a partial enlarged view.

The inflow rate control unit 210 is in communication with the diffuser 220. The diffuser 220 diffuses and supplies heating and / or cooling air into the room 30.

The user can check the room temperature of the room 30 by using the temperature controller 200 and can be manipulated to lower or raise the temperature according to the room temperature, and according to the user's operation, the inflow control unit 210 controls the room. The room temperature of the room 30 can be lowered or raised by adjusting the inflow amount of the heating air or cooling air introduced into the 30.

In addition, in FIG. 2, since the rooms are partitioned in various ways on each floor of the building 10, the inflow control unit 210 and the diffuser 220 may be directly communicated with each other, or may be communicated at regular intervals.

For example, in the case of the first floor, since there are a plurality of rooms 1 and 2, the air conditioning duct 50, the inflow control unit 210 and the diffuser 220 are sequentially connected.

On the other hand, in the case of the third floor, since there is only one room 6, the air conditioning duct 50 and the inflow control unit 210 are directly connected, and the diffuser 220 has the air conditioning duct 50 at a slight interval. Is connected directly to

3 is a circuit block diagram of the temperature controller 200 shown in FIG. 2. Referring to FIG. 3, the temperature controller 200 may include a temperature sensor unit 310 sensing a temperature of a room 30; Air inflow control information for receiving the measurement temperature information of the room 30 sensed by the temperature sensor unit 310 to control the heating air or cooling air inflow amount by a predetermined temperature difference between the room 30 A temperature control unit 300 for generating a; And a first communication unit 360 for transmitting the air inflow control information to the inflow control unit 210 in a wired or wireless manner according to a command of the temperature control unit 300.

Referring to FIG. 3, the temperature sensor 310 senses the room temperature of the room 30 and transmits the sensed temperature information to the temperature controller 300.

The input unit 320 is a means for inputting a user's command is composed of a key button, a dial button and the like of a number, special characters. Of course, the input unit 320 may be configured as a touch pad.

The power supply unit 330 serves to supply power to each component. Of course, the power supply unit 330 may be continuously connected to the commercial power source, or a portable power source such as a battery may be used.

The storage 340 may be a memory provided in the temperature controller 300 or may be a separate memory. Therefore, the storage unit 340 may include a hard disk drive, a flash memory, an electrically erasable programmable read-only memory (EEPROM), a static RAM (SRAM), a ferro-electric RAM (FRAM), a phase-change RAM (PRAM), and an MRAM ( Non-volatile memory such as a magnetic RAM) and / or a volatile memory such as a dynamic RAM (DRAM), a synchronos dynamic RAM (SDRAM), a double data rate SDRAM (DDRSDRAM), or the like.

In addition, the storage unit 340 receives the measurement temperature information of the room 30 sensed by the sensor unit 310 and supplies the heating air or the cooling air inflow amount by a predetermined temperature difference between the room 30 and the measurement temperature. Programs, data, and the like for generating air inflow control information to be controlled are stored.

In other words, each room 30 through the air conditioner duct (40 in FIG. 2) under the constant flow structure of the central air-conditioning supply device 41, which is sent to the air conditioner duct 40, for each room 30, In consideration of the difference in flow resistance (static pressure loss) to each of the inflow control unit (210 in Figure 2) installed in the) opening and closing angle data of the inflow control unit 210 and the temperature reduction rate and / or temperature increase rate of the temperature The data is set as reference data and stored. Since these data can be experimentally calculated and can be designed differently according to the designer, a detailed understanding of the present invention will be omitted.

The display unit 350 includes a light emitting diode (LED), a liquid crystal display (LCD), an organic light emitting diode (OLED), and the like, and can display temperature information processed by the temperature controller 300. Of course, when the display unit 350 is configured as a touch panel, the input unit 320 does not need to be configured.

The temperature controller 300 includes a microprocessor, measures the room temperature of the room 30 using the temperature sensor 130, and displays temperature information on the display 350. In addition, according to the temperature information set by the user, an algorithm for generating air inflow control information for controlling the inflow amount of heating air or cooling air and transmitting it through the communication unit 360 is implemented.

The first communicator 360 transmits the generated air inflow control information to the inflow control unit 210 of FIG. 2. Of course, the communication can be wired or wireless. For this purpose, a wired communication circuit or a wireless communication circuit is configured. In the case of a wireless communication circuit, a short-range communication method such as WIBRO, Zigbee, Bluetooth, IrDA, or the like may be used as the communication technology.

FIG. 4 is a circuit block diagram of the inflow rate control control unit 210 shown in FIG. 2. Referring to FIG. 4, the inflow rate adjustment control unit 210 may include a second communication unit 410 which receives the temperature inflow rate control information from the first communication unit 360 by wire or wirelessly; A microprocessor 400 generating a motor control signal according to the received temperature inflow control information; A motor driver 420 for driving the motor 530 according to the motor control signal; And an inflow rate adjusting unit 430 connected to the air conditioning duct 50 and controlling the inflow amount of heating air or cooling air into the room 30 by driving the motor 530. do.

Referring to FIG. 4, the second communication unit 410 functions similar to the first communication unit 360 shown in FIG. 3, and communicates with the first communication unit 360 to receive temperature inflow control information and receive a microcomputer. Performs a function of transmitting to the processor 400.

The microprocessor 400 generates a motor control signal according to the transmitted temperature inflow control information to control the motor driver 420. For example, if the room temperature of the room 30 is 26 ° C. and the user sets the room temperature to 24 ° C. (ie, becomes the set temperature), the difference between the set temperature and the room temperature is 2 ° C.

To this end, the room temperature is lowered by limiting the inflow rate of the heating air by a difference of 2 ° C. Therefore, the microprocessor 400 calculates the number of rotations of the motor (not shown) according to the temperature inflow control information, and transmits the number of rotations to the motor driver 420 to rotate the motor (not shown) by the calculated number of rotations. .

The motor operated by the motor driver 420 may be a direct current (AC) or alternating current (AC) motor or a stepping motor. Of course, in this case, the motor driver 420 is configured with a circuit for controlling DC or AC.

Of course, the temperature reduction rate or the temperature increase rate according to the inflow amount of the heating air or the cooling air is calculated and stored in the storage unit 340 of FIG. 3 as data, and also the data of the opening and closing accordingly. Therefore, the air inflow amount is limited according to this data. In other words, the motor driving unit 420 reduces or increases the number of rotations of the motor to open and close the inflow amount adjusting unit 430 at an angle to increase or decrease the inflow amount.

5 is a configuration diagram of the inflow rate adjusting unit 430 shown in FIG. Referring to FIG. 5, the inflow amount adjusting unit 430 may include a duct connecting part 540 connected to the air conditioning duct 50; An electric damper 500 for controlling heating air or cooling air inflow amount introduced into the room (30 of FIG. 2) through the duct connection part 540; A motor 530 for driving the electric damper 500; And a diffuser 220 connected to the electric damper 500 to blow air for heating or air for cooling to the room 30.

Referring to FIG. 5, the duct connection part 540 communicates with the air conditioning duct 40, and an electric damper 500 electrically controlled to open and close the duct connection part 540 communicates with the duct connection part 540.

Of course, the electric damper 500 is configured with a motor 530 for controlling the opening and closing degree. The diffuser 220 communicates with the electric damper 500 and is installed on the ceiling 520. In FIG. 5, the diffuser 220 is manually operated. However, an electrically operated electric diffuser may be used.

A flexible part 550 is configured between the electric damper 500 and the diffuser 220 to facilitate installation. This flexible part 550 is straightened or laid down as shown in FIG. 5 to facilitate connection with the air conditioning duct 50.

In addition, the check hole 121 may be configured on the ceiling 520 for maintenance of the electric damper 500.

Of course, FIG. 5 illustrates that the electric damper 500 and the diffuser 220 are directly connected for the purpose of understanding, but the diffuser 220 may be configured with a predetermined difference from the electric damper 500. In addition, a plurality of diffusers 220 may be connected to the electric damper 500. Of course, in this case, an air passage tube (not shown) for the air passage is configured between the diffuser 220 and the electric damper 500.

As another embodiment of the present invention, it is also possible to use a centrifugal fan (not shown) without using the opening / closing degree of the electric damper 500. In this case, the flow rate can be adjusted by adjusting the rotation speed of the centrifugal fan. In other words, increase the rotation speed to increase the flow rate, and decrease the rotation speed to decrease the flow rate.

In another embodiment of the present invention, when the building temperature rises to a certain temperature due to a fire or the like, the electric damper 500 is completely closed. Therefore, there is an effect to block the heat due to the fire or to prevent the spread of the fire.

10: building
20: blowhole
30: room
40: central air conditioner
41: central air conditioning unit
50: air conditioning duct
200: temperature controller
210: inflow control unit
220: diffuser
300: temperature control unit
310: temperature sensor unit
320: input unit
330: power supply
340:
350: display unit
360: first communication unit
400: microprocessor
410: second communication unit
420: motor drive unit
430: flow rate control unit
500: damper
530: motor
540: duct connection
550: flexible part
560: check hole

Claims (5)

An air conditioning duct 50 installed in the building 10 to supply heating air or cooling air to the room 30;
A central air conditioning supply unit 41 for generating the heating air or cooling air;
A central air conditioner (40) for circulating the heating air or the cooling air generated by the central air conditioning supply device (41) through the air conditioning duct (50) when the central air conditioning supply device (41) is installed inside;
An inflow rate control unit (210) connected to the air conditioning duct (50) to introduce heating air or cooling air circulated by the central air conditioner (40) into the room (30); And
Temperature controller 200 for controlling the inflow amount control unit 210 to adjust the inlet air for heating or cooling air into the room (30)
Temperature control device in the central air conditioning system, characterized in that it comprises a. The method of claim 1,
The temperature controller 200,
A temperature sensor unit 310 for sensing a temperature of the room 30;
Air inflow control information for receiving the measurement temperature information of the room 30 sensed by the temperature sensor unit 310 to control the heating air or cooling air inflow amount by a predetermined temperature difference between the room 30 A temperature control unit 300 for generating a; And
Temperature control in the central air conditioning system, characterized in that it comprises a first communication unit 360 for transmitting the air inflow control information to the inflow control unit 210 by wire or wireless according to the command of the temperature control unit 300. Device.
The method of claim 1,
The inflow control unit 210,
A second communication unit 410 for receiving the temperature inflow control information from the first communication unit 360 by wire or wirelessly;
A microprocessor 400 generating a motor control signal according to the received temperature inflow control information;
A motor driver 420 for driving the motor 530 according to the motor control signal; And
It is in communication with the air conditioning duct 50, it characterized in that it comprises an inflow rate adjusting unit 430 for controlling the inflow of heating air or cooling air into the room 30 by the drive of the motor 530 Temperature control device in the central air conditioning system.
The method of claim 3, wherein
The inflow rate adjusting unit 430,
A duct connection part 540 in communication with the air conditioning duct 50;
An electric damper (500) communicating with the duct connecting portion (540) and adjusting the amount of heating air or cooling air flowing into the room (30) through the duct connecting portion (540);
A motor 530 for driving the electric damper 500; And
And a diffuser (220) connected to the electric damper (500) to blow heating air or cooling air into the room (30).
The method of claim 3, wherein
The inflow rate adjusting unit 430,
A duct connection part 540 in communication with the air conditioning duct 50;
A centrifugal fan communicating with the duct connection part 540 and adjusting a heating or cooling air inflow amount introduced into the room 30 through the duct connection part 540 according to the rotation speed;
A motor 530 for driving the centrifugal fan; And
And a diffuser (220) connected to the centrifugal fan to blow heating air or cooling air into the room (30).

Images