KR101685342B1 - Air-conditioner and pipe communication device - Google Patents

Air-conditioner and pipe communication device Download PDF

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Publication number
KR101685342B1
KR101685342B1 KR1020150056815A KR20150056815A KR101685342B1 KR 101685342 B1 KR101685342 B1 KR 101685342B1 KR 1020150056815 A KR1020150056815 A KR 1020150056815A KR 20150056815 A KR20150056815 A KR 20150056815A KR 101685342 B1 KR101685342 B1 KR 101685342B1
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South Korea
Prior art keywords
core
refrigerant pipe
piping
communication device
unit
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KR1020150056815A
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Korean (ko)
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KR20160125817A (en
Inventor
최두수
이권형
이수민
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엘지전자 주식회사
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Priority to KR1020150056815A priority Critical patent/KR101685342B1/en
Publication of KR20160125817A publication Critical patent/KR20160125817A/en
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Publication of KR101685342B1 publication Critical patent/KR101685342B1/en

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    • F24F11/0009—
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/26—Refrigerant piping
    • F24F11/02—
    • F24F2011/0068—

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The present invention relates to an air conditioner and a piping communication device, and is provided with a piping communication device connected to an outdoor unit and a refrigerant pipe connected to the outdoor unit for supplying a refrigerant between the units, and the piping communication device includes a magnetic core The core is connected to the refrigerant pipe so that a predetermined signal is transmitted through the refrigerant pipe in response to a signal outputted from the communication unit, The piping communication device is easily installed and separated in the refrigerant pipe, and the communication line is protected from the external impact, thereby preventing the communication line from being damaged. Thus, stable communication is possible, and the ease of management and efficiency are improved.

Description

[0001] Air-conditioner and pipe communication device [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner and a piping communication device, and more particularly, to an air conditioner and a piping communication device for transmitting and receiving signals through a refrigerant pipe.

The air conditioner adjusts the indoor temperature and purifies the indoor air by discharging cold air into the room to create a comfortable indoor environment, thereby providing a more comfortable indoor environment for humans.

Such an air conditioner is controlled by being separated and controlled by an indoor unit constituted by a heat exchanger, an outdoor unit constituted by a compressor, a heat exchanger and the like, and operated by controlling a power source supplied to a compressor or a heat exchanger. Also, at least one indoor unit may be connected to the outdoor unit, and the air conditioner operates in a cooling or heating mode by supplying the refrigerant to the indoor unit according to a requested operation mode.

In the air conditioner, the outdoor unit and the indoor unit are connected to the refrigerant pipe, the refrigerant compressed from the compressor of the outdoor unit is supplied to the heat exchanger of the indoor unit through the refrigerant pipe, and the refrigerant heat-exchanged by the heat exchanger of the indoor unit is again supplied to the compressor ≪ / RTI > Accordingly, the indoor unit discharges the cold air into the room through the heat exchange using the refrigerant.

The air conditioner operates according to the input setting by mutual communication between the outdoor unit and the indoor unit. For example, during the cooling, the cooling operation is performed until the set temperature is reached. In order to discharge the cool air from the indoor unit, the outdoor unit also needs to maintain the operation, so that the set operation is performed by transmitting data through mutual communication.

At this time, the outdoor unit and the indoor unit can communicate using a wired or wireless communication system as well as a refrigerant pipe.

In the communication system using piping, the outdoor unit and the indoor unit each include a communication module and a piping communication device that allows a signal output from the communication module to be transmitted through the refrigerant piping.

The piping communication device according to the prior art is configured as disclosed in Korean Patent No. 10-0004399 and 10-0136464.

However, since the piping communication device according to the related art is installed in a refrigerant pipe, when a communication line through which a signal is transmitted from the communication module protrudes to the outside of the piping communication device and directly touches the piping, there is a problem that insulation or short- .

In addition, there are cases where the communication line is molded into the interior due to such a problem, but this has a problem in that the production process is complicated and repair is impossible in case of failure.

Accordingly, there is a need for a method for enabling stable communication through a refrigerant pipe while being easily installed in a refrigerant pipe.

An object of the present invention is to provide an air conditioner and a piping communication device which are installed in a refrigerant pipe easily to prevent damage to a communication line and perform piping communication stably in an air conditioner and a piping communication device.

An air conditioner according to the present invention includes a refrigerant pipe connected to an outdoor unit and an indoor unit to supply a refrigerant between the outdoor unit and the indoor unit, And a magnetic core for receiving and converting a signal received through the refrigerant pipe and a magnetic core, wherein a predetermined signal is transmitted through the refrigerant pipe in response to a signal applied from the communication unit, And the piping communication device includes an insulation unit that insulates the core from the refrigerant pipe so that the core does not directly contact the refrigerant pipe.

The piping communication device includes a magnetic core for forming a predetermined inductance with respect to an applied signal, a core holder for accommodating the core, the core and the core holder, for protecting the core from an external impact, And an insulating part for insulating the core from the refrigerant pipe so that the core does not directly contact the refrigerant pipe.

In the air conditioner and the piping communication device according to the present invention configured as described above, the piping communication device is easily installed and separated in the communication of the signal through the refrigerant pipe to protect the communication line from the external impact The communication line can be prevented from being damaged, stable communication is possible, and ease of management and efficiency are improved.

FIG. 1 is a view schematically showing a configuration of an air conditioner according to the present invention.
FIG. 2 is a view schematically showing a configuration of an air conditioner and a piping communication device according to the present invention.
3 is a view showing a piping communication apparatus according to the present invention.
4 is a diagram showing an internal configuration of a piping communication apparatus according to the present invention.
5 is an exploded perspective view of a piping communication apparatus according to the present invention.
FIG. 6 is a view illustrating an insulation unit as a communication line protecting unit according to the present invention. FIG.
7 is an exemplary view of a piping communication device to which a communication line according to the present invention is connected.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and the manner of achieving them, will be apparent from and elucidated with reference to the embodiments described hereinafter in conjunction with the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a view schematically showing a configuration of an air conditioner according to the present invention.

Referring to FIG. 1, the air conditioner includes at least one indoor unit 20 and at least one outdoor unit 10.

The air conditioner may be classified into a ceiling type, a stand type, a wall type, and the like depending on the installation type, and the number of the indoor unit and the outdoor unit is not limited to the drawings. The air conditioner may further include units such as a ventilating unit, an air purifying unit, a humidifying unit, a dehumidifying unit, and a heater as well as an outdoor unit and an indoor unit, but a description thereof will be omitted below.

The indoor unit (20) and the outdoor unit (10) are connected to the refrigerant pipe (L1) in the air conditioner. The refrigerant discharged from the outdoor unit 10 is supplied to the indoor unit 20 through the refrigerant pipe L1 and flows into the outdoor unit 10 from the indoor unit 20 again.

The indoor unit (20) and the outdoor unit (10) transmit signals through the refrigerant pipe (L1) and communicate with each other through the air conditioner. The indoor unit 20 transmits data according to the operation setting to the outdoor unit 10 through the piping communication, and the outdoor unit 10 operates in accordance with the data received through the piping communication. The outdoor unit (10) also transmits data to the indoor unit (20) through piping communication.

At this time, a signal transmitted between the outdoor unit 10 and the indoor unit 20 moves along the surface of the refrigerant pipe L1. The air conditioner can communicate with each other by using the refrigerant pipe L1 between the devices connected to the refrigerant pipe L1.

The indoor unit 20 includes an expansion valve (not shown) for expanding the refrigerant supplied from the outdoor unit 10, an indoor heat exchanger (not shown) for performing heat exchange using the refrigerant, indoor air introduced into the indoor heat exchanger, (Not shown) for discharging indoor air, a plurality of sensors (not shown), and control means (not shown) for controlling the operation of the indoor unit.

In addition, the indoor unit 20 includes a discharge port (not shown) for discharging heat-exchanged air, and a discharge port is provided with a wind direction adjusting unit (not shown) for closing the discharge port and controlling the direction of the discharged air. The indoor unit controls the intake air and the air to be discharged by controlling the rotation speed of the indoor fan, and adjusts the air flow rate.

The indoor unit 20 may further include an output unit for displaying the operation state and setting information of the indoor unit and an input unit for inputting the setting data. The indoor unit may further include human body detecting means for detecting a human body present in the indoor space.

The outdoor unit 10 operates in a cooling mode or a heating mode in response to a request of the connected indoor unit 20 or a control command of the remote controller and supplies the refrigerant to the connected indoor unit 20.

The outdoor unit 10 includes at least one compressor (not shown) for compressing a refrigerant to discharge high-pressure gas refrigerant, an accumulator (not shown) for separating the gas refrigerant and the liquid refrigerant from the refrigerant and preventing the liquid refrigerant, An oil separator (not shown) for recovering oil from the refrigerant discharged from the compressor, an outdoor heat exchanger (not shown) for condensing or evaporating the refrigerant by heat exchange with the outside air, and heat exchange of the outdoor heat exchanger An outdoor fan (not shown) for introducing air into the outdoor heat exchanger and discharging the heat-exchanged air to the outside, a four-way valve (not shown) for changing the refrigerant passage according to the operation mode of the outdoor unit, at least one At least one temperature sensor (not shown) for measuring the temperature, a pressure sensor (not shown) for controlling the operation of the outdoor unit, And control means. The outdoor unit 10 further includes a plurality of sensors, valves, supercooling units, and the like, and a description thereof will be omitted below.

The air conditioner includes a remote controller (not shown), an indoor unit 20, and an outdoor unit (not shown) for communicating input data with the indoor unit 20 in a wired or wireless manner and transmitting the input data to the indoor unit 20, 10) for monitoring and controlling the operation of the remote controller (not shown).

FIG. 2 is a view schematically showing a configuration of an air conditioner and a piping communication device according to the present invention.

2, the indoor unit 20 and the outdoor unit 10 are connected to each other through a refrigerant pipe L1 to discharge cold air into the room through circulation and heat exchange of the refrigerant, And transmits / receives data through the pipe L1.

The outdoor unit (10) includes an outdoor unit communication unit (120) and an outdoor unit control unit (110). The indoor unit 20 includes an indoor unit communication unit 220 and an indoor unit control unit 210. In this case, the outdoor unit 10 and the indoor unit 20 further include a driving unit, a plurality of sensors, and a fan control unit as control means for controlling operation, but a description thereof will be omitted below.

The outdoor unit (10) and the indoor unit (20) each include a piping communication device for delivering the output signal to the refrigerant pipeline (L1).

The piping communication device is installed in the refrigerant pipe L1 to transmit an applied signal to the refrigerant pipe L1 so that the signal moves along the surface of the refrigerant pipe L1 and moves along the refrigerant pipe L1 Signal.

At this time, the signal traveling through the refrigerant pipe has a predetermined carrier frequency. For example, the indoor unit 20 and the outdoor unit 10 transmit / receive a signal having a carrier frequency of 20 to 50 MHz through the refrigerant pipe L1.

At this time, the piping communication device is installed in the refrigerant pipe (L1) to which the indoor unit and the outdoor unit are connected to the outside of the indoor unit (20) and the outdoor unit (10).

The outdoor unit (10) includes a first coupler (130) as a piping communication device.

The first coupler 130 applies a signal output from the outdoor communication unit 120 to the refrigerant pipe L1 and inputs a signal transmitted through the refrigerant pipe L1 to the outdoor unit communication unit 120. [

The outdoor unit communication unit 120 is connected to the first coupler 130 through a communication line and converts a signal to be transmitted to the indoor unit 20 according to a control command of the outdoor unit control unit 110 and outputs the converted signal to the first coupler 130 through a communication line Converts the signal input through the first coupler 130, and inputs predetermined data to the controller 110. [

At this time, the outdoor unit communication unit 120 determines whether the signal input from the first coupler 130 is data of the outdoor unit 10, and if it is the data of the outdoor unit, the outdoor unit communication unit 120 applies the signal to the outdoor unit control unit 110, .

The indoor unit 20 includes a second coupler 230 as a piping communication device.

The second coupler 230 is connected to the indoor unit communication unit 220 through a communication line to transmit a signal output from the outdoor unit communication unit 220 to the refrigerant pipe L1 and transmits a signal moving through the refrigerant pipe L1 to the indoor unit communication unit 220).

The indoor unit communication unit 220 converts a signal input from the second coupler 230, determines whether the data is data of the indoor unit, and inputs the data to the indoor unit control unit 210. In addition, the indoor unit controller 210 converts predetermined data according to a control command of the indoor unit controller 210 and outputs the converted data to the second coupler 230 through a communication line.

The first coupler 130 and the second coupler 230 which are piping communication devices are installed in the refrigerant pipe L1 to connect the indoor unit 20 and the outdoor unit 10 with the refrigerant pipe L1.

The piping communication device will be described as an example of a non-contact type coupler. That is, the first coupler 130 and the second coupler 230 are non-contact couplers for piping communication between the outdoor unit 10 and the indoor unit 20.

In this case, the non-contact type coupler selects and transmits only signals necessary for communication even if the communication line is not electrically connected directly. By applying a signal output from the indoor unit 20 or the outdoor unit 10 to the refrigerant pipe L1 Make piping communication possible.

The piping communication device is installed in the refrigerant pipe L1 so as to transmit and receive data between the indoor unit 20 and the outdoor unit 10 connected to the refrigerant pipe. The device communicating using the piping communication device 50 is not limited to this, and any device connected to the refrigerant piping as well as communication between the indoor device, the indoor device, the outdoor device, and the outdoor device can be communicated.

3 is a view showing a piping communication apparatus according to the present invention.

As shown in Fig. 3, the piping communication device 50 is installed in the refrigerant pipe L1.

The piping communication device 50 is connected to the communication line 60 so that when a signal is applied through the communication line, a signal corresponding thereto is transmitted through the refrigerant pipe L1, and a signal transmitted along the surface of the refrigerant pipe is received To a device connected through a communication line (60).

The piping communication device 50 is fastened and fixed in the form of surrounding the refrigerant pipe L1.

The piping communication device 50 includes the first body 50a and the second body 50b and is configured to be easily installed in the refrigerant pipe L1. As the first body 50a and the second body 50b are fastened and fixed to each other, the piping communication device 50 is fixed to the refrigerant pipe L1.

At this time, the piping communication device 50 includes fastening means (not shown) configured to fasten and fix the first body 50a and the second body 50b to each other. For example, the fastening means may be a bolt fastening or a clip type.

The communication line 60 is connected to the inside of the piping communication device through a hole 55 provided in the first body 50a. The first body 50a is provided with a projection 59 in which a part of the housing protrudes so that the communication line 60 can be installed inside the piping communication device 50.

FIG. 4 is a view showing an internal configuration of a piping communication apparatus according to the present invention, and FIG. 5 is an exploded perspective view of a piping communication apparatus according to the present invention. 5 is an exploded perspective view of the first body 50a.

4 and 5, the piping communication device 50 includes a first body 50a and a second body 50b. When the first body 50a and the second body 50b are in contact with each other One side is fixed and the other side is opened.

At this time, a hinge 58 for interconnecting the first body 50a and the second body 50b is provided at a fixed side. The first body 50a or the second body 50b can be coupled to the first body 50a and the second body 50b in such a manner that the first body 50a and the second body 50b face each other by rotating the hinge 58 about the axis. The first body 50a and the second body 50b are provided with separate fastening means. At this time, the fastening means may be a bolt fastening or a clip type.

As described above, the first body 50a is provided with a protrusion 59 protruding outward in a part thereof, and a groove is formed on the inner side of the protrusion 59 to connect the indoor unit 20 or the outdoor unit 10 A communication line 60 is disposed.

The piping communication device 50 includes a housing 51, 51a, 51b, a core holder 52, 52a, 52b, a core 53, (53a) and (53b), and insulating portions (54) (54a) and (54b).

The core 53 is made of magnetic material and is configured to surround the refrigerant pipe L1. The core 53 is a Clamp type magnetic body.

The core 53 is divided into two parts along the central axis with respect to the longitudinal direction and constituted of the first core 53a of the first body 50a and the second core 53b of the second body 50b. The first core 53a and the second core 53b may each be composed of a plurality of partial cores.

The core 53 has a cylindrical shape when the first core 53a and the second core 53b are coupled to each other and the first core 53a and the second core 53b, Has a donut shape.

The core 53 is formed such that its inner diameter is larger than the outer diameter of the refrigerant pipe L1 so that the core and the refrigerant pipe L1 are not in contact with each other when the pipe communication device 50 is installed in the refrigerant pipe L1.

The core holder 52 is composed of a first core holder 52a of the first body 50a and a second core holder 52b of the second body 50b.

The first core holder 52a receives the first core 53a and the second core holder 52b receives the second core 53b. At this time, even if the core 53 is constituted by a plurality of partial cores, the plurality of partial cores are accommodated in the first and second core holders 52a and 52b, respectively.

When the first and second core holders 52a and 52b are engaged, the first core holder 52a and the second core holder 52b each have a cylindrical shape.

The core holder 52 is a solid in which carbon and silicon are blended and absorbs external impact transmitted through the housing 51 to the inside by the elastic silicone. The core holder 52 is made of carbon And has insulating property and shielding property. Accordingly, the core holder minimizes noise, surge, and signal interference caused by the external environment.

The housing 51 includes a first housing 51a for accommodating a first core holder 52a and a first core 53a and a second housing 51b for accommodating a second core holder 52b and a second core 53b 51b.

The first and second housings 51a and 51b are connected to each other by a hinge 58 and a fastening structure is formed on the other side.

The housing 51 is configured to be capable of protecting the core 53 and the core holder 52 from an external impact and fastening the refrigerant pipe L1.

A hole (not shown) through which the communication line 60 is connected is formed in the first housing 51a, and a communication line 60 connected to the indoor unit or the outdoor unit is connected to the piping communication device.

The first housing 51a is provided with a protruding portion 59 which protrudes outwardly as described above, and the communication line inserted through the hole is disposed in the groove formed by the protruding portion 59. At this time, the communication line 60 forms a winding coil shape in the longitudinal direction in the core holder 52 in which the core 53 is accommodated.

The housing 51 and the core holder 52 are the case of the core 53 and are primarily protected by the housing 51 against an external impact and the two outer The impact is mitigated by the core holder 52 to protect the core 53. In addition, since the core holder 52 has an insulating property and a shielding property, noise, surge, and interference due to the external environment are reduced, and the signal is transmitted stably.

The insulating portion 54 is located on the inner diameter side of the core 53 and both ends of the insulating portion 54 are inserted between the housing 51 and the core holder 52 and fixed.

The insulation portion 54 is positioned at the upper end of the core 53 so that when the piping communication device 50 is installed in the refrigerant pipe L1, it is configured to be connected to the surface of the refrigerant pipe. The insulating portion 54 prevents the core 53 from contacting the refrigerant pipe L1.

The insulating portion 54 protects the communication line 60 by preventing the communication line 60 wrapped around the core holder 52 containing the core 53 from contacting the refrigerant pipe L1.

6 is an exemplary view of a piping communication device to which a communication line according to the present invention is connected.

As shown in Fig. 6, the communication line 60 is wound in the longitudinal direction in the core 53 and the core holder 52, and is in the form of a coil.

The core 53 is configured to wind the communication line 60 while the core 53 is accommodated in the core holder 52 and the core 53 is not directly electrically connected to the communication line 60.

At this time, since the communication line 60 is wound a predetermined number of times around the core, the inductance is formed according to the number of turns.

The communication line 60 contacts the core holder 52 on the outer diameter side of the core 53 and is wound on the inner diameter side in contact with the core 53. Since the insulation portion 54 is provided on the inner diameter side of the core 53, the communication line 60 is configured not to directly contact the refrigerant pipe L1.

The communication line 60 is not directly brought into contact with the refrigerant pipe L1 by the insulation portion 54 even if the covering is peeled off by the friction.

FIG. 7 is a view illustrating an insulation unit as a communication line protecting unit according to the present invention. FIG.

As shown in Figs. 6A, 6B, and 6C, the insulating portion 54 is disposed on the inner diameter side of the core 53 in a semicircular shape and is configured to contact the refrigerant pipe L1.

The inside diameter side of the insulating portion 54 is in contact with the refrigerant pipe and the outside diameter side is in contact with the core 53. [ So as to be semicircular to facilitate contact with the refrigerant pipe.

The fixing portion 54a is provided at the upper and lower ends of the insulating portion 54 in the longitudinal direction thereof. The fixing portion 54a is inserted between the core holder 52 and the housing 51 to fix the insulating portion 54. [ At this time, the fixing portion 54a is configured to protrude in the core direction and in the outer diameter direction of the core.

Although two fixing portions 54a are provided at the upper and lower ends, one or more fixing portions 54a may be provided at the upper and lower ends, respectively. The fixing portion 54a has an elongated rod shape so that it can be inserted between the housing and the core holder 52. [

In addition, the insulating portion 54 is formed with a groove 54b having a predetermined size at the center.

A groove 54b having a predetermined size is formed at a portion in contact with the core 53 so that the communication line 60 wrapping the core 53 and the core holder 52 is disposed in the groove 54b.

The movement of the communication line 60 is minimized and the pressure applied to the communication line 60 is reduced when the communication device 50 is installed in the refrigerant pipe so that the wear of the communication line 60 is reduced.

Accordingly, the present invention provides a piping communication device for transmitting a signal to a refrigerant pipe in data transmission / reception through a refrigerant pipe, and a core holder and an insulation part for protecting the core and the communication line are provided inside the piping communication device, And ensure stable communication.

The present invention is not necessarily limited to these embodiments, as all the constituent elements constituting the embodiment of the present invention are described as being combined and operated in one. Within the scope of the present invention, depending on the embodiment, all of the components may operate selectively in combination with one or more.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention.

10: outdoor unit 20: indoor unit
50: piping communication device 51: housing
52: core holder 53: core
54: insulation part 60: communication line
110: outdoor unit control unit 120: outdoor unit communication unit
130: first coupler, piping communication device
210: indoor unit control unit 220: indoor unit communication unit
230: second coupler, piping communication device

Claims (19)

A refrigerant pipe connected to the outdoor unit and the indoor unit to supply the refrigerant between the outdoor unit and the indoor unit;
A communication unit provided in the outdoor unit and the indoor unit, for transmitting a signal output from the outdoor unit or the indoor unit, and receiving and converting a signal received through the refrigerant pipe; And
And a piping communication device provided in the refrigerant pipe and adapted to transmit a predetermined signal through the refrigerant pipe corresponding to a signal applied from the communication unit,
The piping communication device includes:
A core holder for accommodating the core;
A housing that houses the core and the core holder, protects the core from external impact, and is fastened to the refrigerant pipe;
A communication line through which a signal applied from the communication unit is transmitted; And
And an insulation part provided between the core and the refrigerant pipe to insulate the core from the refrigerant pipe so that the core does not directly contact the refrigerant pipe,
Wherein the insulating portion is formed with a groove in which the communication line is disposed. delete The method according to claim 1,
Wherein the communication line is wound in the longitudinal direction with respect to the core and the core holder. delete The method according to claim 1,
And the insulating portion is provided on the inner diameter side of the core. The method according to claim 1,
Wherein the insulating portion further includes a fixing portion formed at both ends in a longitudinal direction and protruding in an outer diameter direction of the core,
Wherein the fixing portion is inserted between the housing and the core holder to fix the insulation portion. delete The method according to claim 1,
Wherein the insulation portion protects the communication line from a pressure generated when the communication line is disposed in the groove and the piping communication device is installed in the refrigerant piping and contacts the refrigerant piping. The method according to claim 1,
Wherein the piping communication device is a non-contact type coupler. The method according to claim 1,
Wherein the communication unit converts data to be transmitted into a predetermined signal and converts a signal input from the piping communication device into data. A magnetic core forming a predetermined inductance with respect to a signal applied from a communication line;
A core holder for accommodating the core;
A housing that houses the core and the core holder, protects the core from external impact, and is fastened to the refrigerant pipe; And
And an insulating portion for insulating the core from the refrigerant pipe so that the core does not directly contact the refrigerant pipe,
Wherein the insulation portion is disposed on an inner diameter side of the core and is provided between the core and the refrigerant pipe and has a groove for receiving the communication line wound on the core. 12. The method of claim 11,
Wherein the piping communication device is a non-contact type coupler. 12. The method of claim 11,
Wherein the core has an inner diameter larger than an outer diameter of the refrigerant pipe. delete 12. The method of claim 11,
Wherein the insulating portion further includes a fixing portion formed at both ends in a longitudinal direction and protruding in an outer diameter direction of the core,
Wherein the fixing portion is inserted between the housing and the core holder to fix the insulation portion. 12. The method of claim 11,
Wherein the insulation portion protects the communication line from a pressure generated when the communication line is disposed in the groove and the piping communication device is installed in the refrigerant piping so as to contact the refrigerant piping. 17. The method of claim 16,
Wherein the communication line is wound in the longitudinal direction with respect to the core and the core holder. 12. The method of claim 11,
Wherein the core holder is an elastic material and has insulating property and shielding property. 12. The method of claim 11,
Wherein the core holder is a solid in which silicon and carbon are blended.
KR1020150056815A 2015-04-22 2015-04-22 Air-conditioner and pipe communication device KR101685342B1 (en)

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