KR20100051461A - Air-conditioner - Google Patents

Abstract

PURPOSE: An air conditioner is provided to make an inner space pleasant by driving a compressor according to the radiant temperature of a human body. CONSTITUTION: An air-conditioner comprises an indoor unit driver(50) and an outdoor unit driver(60). The indoor unit driver controls an indoor unit. The outdoor unit driver controls an outdoor unit while communicating with the indoor unit driver. The indoor unit driver includes an input unit(52), a sensing unit(40), and a control unit(56). The input unit inputs operating commands and the desired temperature for a predetermined operation mode. The sensing unit measures the radiant temperature of a human body and indoor temperature in the predetermined operation mode. If the radiant temperature is the same as the predetermined temperature, the control unit transmits the control command to the outdoor unit driver to execute a normal operation. If not, the control unit transmits the control command to the outdoor unit driver to make the air clean.

Description

Air Conditioner {Air-conditioner}

The present invention relates to an air conditioner, and more particularly, to an air conditioner that controls the operation of a compressor through the radiation temperature of the human body.

In general, an air conditioner is a home appliance for maintaining indoor air in a state most suitable for use and purpose. For example, in summer, the room is cooled to a cool state, in winter, the room is heated to a warm state, and also the humidity of the room, and the air in the room to a clean state of clean. As life convenience products such as air conditioners are gradually expanded and used, consumers are demanding high energy use efficiency, performance improvement and convenience products.

Such an air conditioner includes a separate air conditioner in which an indoor unit and an outdoor unit are separately separated, an integrated air conditioner in which the indoor unit and the outdoor unit are combined into one device, a wall-mounted air conditioner and a frame type air conditioner configured to be mounted on a wall, and a living room. A slim air conditioner configured to stand, a single air conditioner configured to be used in a small place such as a home, and a large air capacity composed of a very large capacity for use in a company or a restaurant. The air conditioner is divided into a multi-type air conditioner having a capacity capable of sufficiently driving a plurality of indoor units.

An object of the present invention is to provide an air conditioner for controlling the operation of the compressor through the radiation temperature of the human body.

The air conditioner according to the present invention includes an indoor unit driving means for controlling an indoor unit and an outdoor unit driving means for communicating with the indoor unit driving means, and the outdoor unit driving means for controlling the outdoor unit, wherein the indoor unit driving means provides a driving command and a desired temperature for a predetermined operation mode. Input means for input, sensing means for measuring the radiant temperature and the room temperature of the human body during the operation of the predetermined operation mode, and when the radiant temperature satisfies the set temperature, or when the radiant temperature does not satisfy the set temperature And indoor unit control means for transmitting a control command to the outdoor unit driving means for comfortable driving.

The air conditioner according to the present invention is to operate the compressor in the on or off operation according to the radiation temperature of the human body, while operating the compressor in a predetermined operating mode according to the room temperature and the desired temperature, the compressor on or off operation while operating the radiation temperature If the set temperature is satisfied, by controlling the compressor with comfortable operation control, it can create a comfortable indoor space for the human body (residents), it has the effect of maximizing the productability and practicality of the product.

An embodiment of the air conditioner according to the present invention will be described with reference to the accompanying drawings.

FIG. 1 is a perspective view showing an air conditioner according to a first embodiment of the present invention, and FIG. 2 is a simplified diagram briefly showing the configuration of the air conditioner shown in FIG.

The air conditioner according to an embodiment of the present invention can be applied to any case such as a stand type air conditioner, a wall-mounted type air conditioner, and a ceiling type air conditioner, but will be described as an example of a stand type air conditioner for convenience of description. .

Referring to FIG. 1, the air conditioner includes an indoor unit 20 and an outdoor unit 30, and the indoor unit 20 and the outdoor unit 30 are connected through a refrigerant pipe.

Here, the indoor unit 20 includes a radiation temperature sensor unit 44 for measuring the radiation temperature of the radiant heat of the human body.

Here, the radiation temperature sensor unit 40 detects a human body living in an indoor space through at least one thermopile, and outputs the radiation temperature.

The indoor unit 20 includes an indoor heat exchanger 21 for exchanging heat between indoor air and a refrigerant, and an indoor blower (not shown) for improving the efficiency of the indoor heat exchanger 21 and circulating the indoor air.

The outdoor unit 30 includes an outdoor heat exchanger 31 for exchanging heat between outdoor air and a refrigerant, a constant speed compressor 32 and an inverter compressor 34 for compressing a refrigerant, and a constant speed compressor 32 and an inverter compressor 34. Four-way valve 36 for connecting the discharged refrigerant to the outdoor heat exchanger 31 or the indoor heat exchanger 21, and the accumulator 38 for supplying the refrigerant in the gas state to the constant speed compressor 32 and the inverter compressor 34 And an oil separator disposed between the inverter compressor 34 and the four-way valve 36 to separate oil from the refrigerant flowing therein.

The four-way valve 36 switches the flow of refrigerant to drive the air conditioner in a cooling / heating cycle for cooling and heating operation, thereby converting the refrigerant discharged from the constant speed compressor 32 and the inverter compressor 34 into an outdoor heat exchanger. 31) or to an indoor heat exchanger (21).

The accumulator 38 receives the refrigerant discharged from the four-way valve 36 and supplies only the gaseous refrigerant to the constant speed compressor 32 and the inverter compressor 34.

The constant speed compressor 32 compresses and discharges a fixed amount of refrigerant, and the inverter compressor 34 can control and discharge the compressed amount of the refrigerant within a predetermined range.

In particular, the constant speed compressor 32 and the inverter compressor 34 may be driven by either or both of them by the controller of the air conditioner, and only one of the constant speed compressor 32 and the inverter compressor 34 may be driven. In this case, a check valve (not shown) is provided at each of the discharge side refrigerant pipes of the constant speed compressor 32 and the inverter compressor 34 to prevent the refrigerant from flowing into the other compressor.

The accumulator 38, the constant speed compressor 32, and the inverter compressor 34 are connected via the connecting pipes 32a and 34a.

The oil separator is installed between the oil separator 33 installed between the check valve 33 and the inverter compressor 34 and between the oil separator 33 and the inverter compressor 34 in the oil separator 33. And a capillary tube 35 and a solenoid valve 37 for bypassing the separated oil.

Here, the capillary tube 35 is installed on the oil separator 33 side, and the solenoid valve 37 is installed on the input side of the inverter compressor 34.

The solenoid valve 37 is controlled by the controller of the air conditioner to open and close at predetermined intervals so that the oil separated from the oil separator 33 flows into the input side of the inverter compressor 34.

In addition, the capacity of the constant speed compressor 32 is larger than the capacity of the inverter compressor 34, and the inverter compressor 34 initially operates based on the indoor load capacity during the cooling and heating operations.

3 is a functional block diagram showing an air conditioner according to a first embodiment of the present invention, Figure 4 is a functional block diagram showing a radiation temperature sensor shown in FIG.

3 and 4 will be described with reference to FIGS. 1 and 2.

Referring to FIG. 3, the air conditioner includes an indoor unit driving means 50 for controlling the indoor unit 20, and an outdoor unit driving means 60 for communicating with the indoor unit driving means 50 and controlling the outdoor unit 30.

The outdoor unit driving means 60 is a constant speed or inverter compressor 32, 34 according to a control command transmitted from the compressor drive unit 62 and the indoor unit driving means 50 for driving at least one of the constant speed or the inverter compressors 32, 34. And an outdoor unit control means 64 which transmits and controls a compressor on signal and a compressor off signal for at least one of the driving to the compressor driver 62.

And, the indoor unit driving means 50 is input means 52 for inputting a driving command and a desired temperature for a predetermined driving mode when the indoor unit 20 is operated, during the operation of the predetermined driving mode, during the operation of the predetermined driving mode, the radiation is detected and radiated A sensing means 40 for measuring a temperature and an indoor temperature, a display means 54 for indicating the predetermined operation mode, the desired temperature, the room temperature and the radiation temperature, and the indoor unit 20 if the radiation temperature satisfies a set temperature. And outputting a control command to the outdoor unit control means 64 to control the outdoor unit 20 to operate normally or to control the indoor unit 20 and the outdoor unit 30 to operate comfortably if the radiant temperature does not satisfy the set temperature. It includes the indoor unit control means 56 to.

The input unit 52 inputs an operation command such as a cooling operation, a heating operation, a power saving operation, and the like in which the indoor unit 20 and the outdoor unit 30 are the predetermined operation modes, and inputs a desired temperature of the indoor space.

At this time, the input means 52 inputs the operation command and the desired temperature to the indoor unit control means 56 by wire or wirelessly.

The sensing means 40 includes an indoor temperature sensor unit 42 for measuring the room temperature and a radiation temperature sensor unit 44 for swing scanning the room and measuring the radiation temperature with respect to the radiant heat of the human body.

Here, referring to FIG. 4, the radiation temperature sensor unit 44 is installed at a part of the indoor unit 20 that is easy to detect the radiant heat of the human body, and detects the radiant heat emitted from a plurality of areas to radiate the radiation. Output the temperature.

The radiation temperature sensor unit 44 detects radiant heat radiated from a heat source in the plurality of regions to detect the plurality of thermopiles 45 and the plurality of thermopiles 45 that output the radiation temperature signal. And a circuit section 46 for outputting the radiation temperature from which noise (noise) is removed by amplifying and filtering the radiation temperature signal.

In the present invention, the plurality of thermopiles 45 are described as four, but may be formed in a larger number, preferably two to four.

A plurality of thermopile 45 is formed in a layer so that the angle between the main body and the ground is different from each other.

That is, the plurality of thermopile 45 may include a first thermopile 45a inclined at a first angle, a second thermopile 45b inclined at a second angle, and a third thermopile 45c inclined at a third angle. ) And a fourth thermopile 45d inclined at a fourth angle.

Here, the first, second, third, and fourth thermopiles 45a, 45b, 45c, and 45d may have different angles between the first, second, third, and fourth angles, respectively, and form a layer. do.

That is, the first, second, third, and fourth thermopiles 45a, 45b, 45c, and 45d are sequentially layered from the first thermopile 45a to the fourth thermopile 45d from the bottom to the top.

Accordingly, it can be seen that the first, second, third, and fourth angles have the smallest first angle and the fourth largest angle.

The circuit unit 46 may include an amplifier 46a for amplifying the radiation temperature signal detected from the first, second, third, and fourth thermopiles 45a, 45b, 45c, and 45d, and sampling and filtering the radiation temperature signal. And a filtering unit 46b for outputting the radiation temperature from which the noise is removed.

The indoor unit control means 56 determines whether the radiant temperature satisfies the set temperature, and transmits the control command for the normal operation or the comfortable operation to the outdoor unit control means 64.

Here, when the predetermined operation mode is the cooling operation, the indoor unit control means 56 outputs a first control command for the normal operation if the radiation temperature belongs to the preset temperature, and the radiation temperature is set to the preset temperature. If not, the second control command for the comfortable driving is output.

That is, the set temperature of the indoor unit control means 56 is a temperature value calculated on average with respect to the set reference body temperature.

Here, the indoor unit control means 56, if the radiation temperature does not belong to the set temperature, and higher than the set temperature by a first predetermined temperature, at least one of the constant speed or inverter compressor (32, 34) is driven by the second control command. The outdoor unit control means 64 transmits a driving-on control command.

In addition, the indoor unit control means 56, if the radiation temperature does not belong to the set temperature, if at least one of the constant speed or inverter compressor (32, 34) by the second control command is lowered by the second predetermined temperature than the set temperature; The driving off control command is transmitted to the outdoor unit control means 64 to stop the driving.

Therefore, the indoor unit control means 56 re-measures the radiant temperature of the human body according to the second control command, and when the re-measured radiant temperature belongs to the set temperature, ends the comfort operation and the normal operation. The control command is transmitted to the outdoor unit control means 64.

When the radiant temperature belongs to the set temperature, the indoor unit control means 56 compares the room temperature transmitted from the room temperature sensor unit 42 with the desired temperature to control the normal operation.

At this time, the indoor unit control means 56 operates at least one of the constant speed or inverter compressors 32 and 34 by the first control command to the outdoor unit control means 66 when the indoor temperature is higher by the third predetermined temperature than the desired temperature. Send the run on control command if possible.

In addition, the indoor unit control means 56, if the indoor temperature is lower by the fourth predetermined temperature than the desired temperature, at least one of the constant speed or the inverter compressors 32 and 34 by the first control command to the outdoor unit control means 66. Send a run off control command to stop run.

Therefore, the air conditioner of the present invention can control the operation of the compressor by sensing the radiation temperature of the occupant (human body), there is an advantage that the cooling or heating operation according to the resident body state.

Although the preferred embodiments of the present invention have been described in detail above, those skilled in the art to which the present invention pertains may make various modifications without departing from the spirit and scope of the invention as defined in the appended claims. It will be appreciated that modifications or variations may be made. Accordingly, modifications to future embodiments of the present invention will not depart from the technology of the present invention.

1 is a perspective view showing an air conditioner according to a first embodiment of the present invention.

FIG. 2 is a simplified diagram schematically showing the configuration of the air conditioner shown in FIG. 1.

3 is a functional block diagram showing an air conditioner according to a first embodiment of the present invention.

FIG. 4 is a functional block diagram showing the radiation temperature sensor unit shown in FIG. 3.

Claims (8)

An indoor unit driving means for controlling an indoor unit and an outdoor unit driving means in communication with the indoor unit driving means and controlling the outdoor unit, The indoor unit driving means, Input means for inputting an operation command and a desired temperature for the predetermined operation mode; Sensing means for measuring radiation temperature and room temperature of the human body during the predetermined operation mode operation; And And indoor unit control means for transmitting a control command to the outdoor unit driving means for normal operation if the radiant temperature satisfies the set temperature or for comfortable operation if the radiant temperature does not satisfy the set temperature. The method of claim 1, And display means for indicating the predetermined operation mode, the desired temperature, the room temperature, and the radiation temperature. The method of claim 1, wherein the input means, And an input for the operation command and the desired temperature by wire or wirelessly. The method of claim 1, wherein the sensing means, An indoor temperature sensor unit measuring the indoor temperature; And And a radiation temperature sensor unit configured to swing scan a room and measure the radiation temperature. The method of claim 4, wherein the radiation temperature sensor unit, An air conditioner comprising at least one thermopile. According to claim 1, wherein the outdoor unit driving means, A compressor driver for driving the compressor; And And an outdoor unit control means for receiving the control command and transmitting and controlling a compressor on signal and a compressor off signal for driving the compressor to the compressor driver. The indoor unit control means according to claim 6, When the predetermined operation mode is the cooling operation and the comfort operation control, when the radiation temperature is a first predetermined temperature higher than the set temperature, the operation on control command is transmitted, Or if the radiation temperature is lower than the set temperature by a second predetermined temperature, send an operation off control command. According to claim 1, The indoor unit control means, When the predetermined operation mode is the cooling operation and the normal operation control, when the room temperature is a third predetermined temperature higher than the desired temperature, the operation on control command is transmitted, Or when the room temperature is lower than the desired temperature by a fourth predetermined temperature, transmitting an operation off control command.

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