WO2021117121A1 - Unité côté source de chaleur - Google Patents

Unité côté source de chaleur Download PDF

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Publication number
WO2021117121A1
WO2021117121A1 PCT/JP2019/048229 JP2019048229W WO2021117121A1 WO 2021117121 A1 WO2021117121 A1 WO 2021117121A1 JP 2019048229 W JP2019048229 W JP 2019048229W WO 2021117121 A1 WO2021117121 A1 WO 2021117121A1
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WO
WIPO (PCT)
Prior art keywords
compressor
driver module
fan
source side
heat source
Prior art date
Application number
PCT/JP2019/048229
Other languages
English (en)
Japanese (ja)
Inventor
誉宙 小松
喜浩 谷口
浩司 陸川
Original Assignee
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to PCT/JP2019/048229 priority Critical patent/WO2021117121A1/fr
Priority to CN201980102724.8A priority patent/CN114761744A/zh
Priority to JP2021563481A priority patent/JP7175404B2/ja
Publication of WO2021117121A1 publication Critical patent/WO2021117121A1/fr

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    • 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
    • F24F1/20—Electric components for separate outdoor units
    • F24F1/22—Arrangement or mounting thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/89—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems

Definitions

  • the present invention relates to a heat source side unit equipped with a compressor.
  • the heat source side unit of the refrigeration cycle device includes a compressor, a four-way valve, a heat source side heat exchanger, an accumulator, and a control device in a housing (see, for example, Patent Document 1).
  • the housing of the heat source side unit described in Patent Document 1 is composed of a top panel, a bottom panel, a front panel, a back panel, and two side panels.
  • a fan is provided on the top panel as a heat source side blower.
  • the compressor when the compressor is an inverter compressor, an inverter substrate for supplying electric power to the compressor is required to drive the compressor.
  • the compressor and the inverter board are electrically connected by an inverter output line. Further, the inverter board is housed in a control box constituting the control device.
  • an inverter board for supplying electric power to the fan is required.
  • the fan and the inverter board are electrically connected by an inverter output line.
  • the inverter board is housed in a control box constituting the control device.
  • the present invention has been made to solve such a problem, and an object of the present invention is to obtain a heat source side unit capable of suppressing an increase in temperature inside a control box and reducing the influence of radiation noise.
  • the heat source side unit includes a compressor that compresses and discharges a refrigerant, a fan that takes in air, a heat source side heat exchanger that exchanges heat between the refrigerant and the air, and the compressor.
  • a compressor driver module having a built-in first power converter to be driven, and a control box internally provided with a control board which is arranged apart from the compressor driver module and controls the first power converter.
  • the compressor driver module is arranged adjacent to the compressor.
  • the heat source side unit by providing a compressor driver module which is separated from the control box and arranged adjacent to the compressor, the temperature rise in the control box is suppressed and radiation is emitted. The influence of noise can be reduced.
  • FIG. 1 is a cross-sectional view taken along the line AA of FIG. It is a refrigerant circuit diagram which shows the structure of the refrigerating cycle apparatus provided with the heat source side unit which concerns on Embodiment 1.
  • FIG. It is the schematic front view which showed typically the inside of the heat source side unit which concerns on a comparative example. It is the schematic side view which showed typically the inside of the heat source side unit which concerns on a comparative example.
  • FIG. 1 It is the schematic front view which showed typically the inside of the control box provided in the heat source side unit which concerns on a comparative example. It is a block diagram which showed the internal structure of the control box of the heat source side unit which concerns on a comparative example. It is an image diagram for demonstrating the generation method of two modules and one control box in the heat source side unit which concerns on Embodiment 1.
  • FIG. It is a block diagram which showed the internal structure of each of two modules and a control box in the heat source side unit which concerns on Embodiment 1.
  • FIG. It is a block diagram which showed the modification of two modules in the heat source side unit which concerns on Embodiment 1.
  • FIG. 1 It is a top view which shows the positional relationship between the terminal block, the output line for a compressor and the output line for a fan in the control box of the heat source side unit which concerns on Embodiment 1. It is a figure which shows the mounting position of the compressor and the driver module for a compressor in the heat source side unit which concerns on Embodiment 1.
  • FIG. 1 It is an enlarged view which shows the mounting position of the fan and the driver module for a fan in the heat source side unit which concerns on Embodiment 1.
  • FIG. It is the schematic front view which showed typically the inside of the heat source side unit which concerns on Embodiment 2.
  • FIG. It is the schematic side view which showed typically the inside of the heat source side unit which concerns on Embodiment 2.
  • FIG. 1 It is the schematic front view which showed typically the inside of the heat source side unit which concerns on Embodiment 2.
  • the present invention is not limited to the following embodiments, and can be variously modified without departing from the gist of the present invention.
  • the present invention includes all combinations of configurations that can be combined among the configurations shown in the following embodiments. Further, in each figure, those having the same reference numerals are the same or equivalent thereof, which are common in the entire text of the specification. In each drawing, the relative dimensional relationship or shape of each component may differ from the actual one.
  • FIG. 1 is a schematic front view schematically showing the inside of the heat source side unit 1 according to the first embodiment.
  • FIG. 2 is a schematic side view schematically showing the inside of the heat source side unit 1 according to the first embodiment.
  • FIG. 3 is a cross-sectional view taken along the line AA of FIG. In FIG. 3, the fan 3 is shown by a broken line so that the position of the fan 3 in a plan view can be seen.
  • the heat source side unit 1 includes a heat source side heat exchanger 2, a control box 4, a compressor 11, a compressor driver module 20, a fan 3, and a fan driver module 30.
  • the heat source side unit 1 includes a compressor output line 21, a compressor control line 22, a fan output line 31, and a fan control line 32.
  • the heat source side unit 1 is formed in a rectangular parallelepiped shape, for example, and its outer shell is composed of a housing 40.
  • the housing 40 is composed of a top panel 41, a front panel 42, a back panel 43, two side panels 44, and a bottom panel 45.
  • the bottom panel 45 also serves as a drain pan, and drains drain water and rainwater.
  • the drain pan may be provided separately from the bottom panel 45.
  • the front panel 42, the back panel 43, and the two side panels 44 are provided with suction ports 48 for taking in outdoor air.
  • at least one of the surfaces formed by the front panel 42, the back panel 43, and the two side panels 44 is a work surface used when performing maintenance work.
  • the front panel 42, the back panel 43, and the two side panels 44 are provided along the peripheral edge of the bottom panel 45.
  • the front panel 42, the back panel 43, and the two side panels 44 extend vertically from the peripheral edge of the bottom panel 45.
  • a top panel 41 is provided on each of the front panel 42, the back panel 43, and the two side panels 44.
  • the upper panel 41 is provided with a discharge port 47 for discharging the air in the heat source side unit 1 to the outside.
  • the discharge port 47 includes a fan 3 and a fan guard 46 provided so as to cover the periphery of the fan 3.
  • the heat source side heat exchanger 2 has a rectangular frame shape in a plan view. Therefore, the heat source side heat exchanger 2 is composed of four surfaces, and the central portion of the heat source side heat exchanger 2 is hollow. Hereinafter, the central portion of the heat source side heat exchanger 2 will be referred to as a “hollow portion”.
  • the heat source side heat exchanger 2 is arranged along the front panel 42, the back panel 43, and the two side panels 44 of the heat source side unit 1.
  • the heat source side heat exchanger 2 is provided along the upper side of the four panels of the front panel 42, the back panel 43, and the two side panels 44, for example, the upper half of those four panels. ..
  • the heat source side heat exchanger 2 exchanges heat between the outdoor air supplied by the fan 3 and the refrigerant.
  • the arrows in FIG. 1 indicate the flow of air taken in by the fan 3. Air is taken in through the four panels of the front panel 42, the back panel 43, and the two side panels 44 and discharged from the outlet 47.
  • the heat source side heat exchanger 2 functions as a condenser that dissipates the heat of the refrigerant to the outdoor air and condenses the refrigerant when the refrigeration cycle device is in the cooling operation. Further, the heat source side heat exchanger 2 functions as an evaporator that evaporates the refrigerant when the refrigeration cycle device is in the heating operation and cools the outdoor air by vaporization at that time.
  • the control box 4 is formed in a rectangular parallelepiped shape, for example.
  • the control box 4 is composed of an upper plate, a bottom plate, and four side plates. As shown in FIG. 10, the control box 4 has a terminal block 49 and a control board 14 inside.
  • the control board 14 has a control circuit that controls the operation of the heat source side unit 1. The details of the control box 4 will be described later.
  • the compressor 11 sucks in a low-temperature low-pressure refrigerant, compresses the refrigerant, puts it in a high-temperature and high-pressure state, and discharges it.
  • the compressor 11 is an inverter compressor capable of controlling the capacity, which is the amount of refrigerant delivered per unit time, by arbitrarily changing the drive frequency, for example.
  • a refrigerant discharge pipe 60 is provided on the discharge side of the compressor 11, and a refrigerant suction pipe 61 is provided on the suction side of the compressor 11. FIG. 4 will be described later.
  • the compressor driver module 20 has a built-in first power conversion device 10.
  • the compressor driver module 20 includes, for example, a first rectifier circuit 9a and a first power conversion device 10 as shown in FIG.
  • the first power conversion device 10 has a first inverter board 10a provided with an inverter circuit.
  • the compressor driver module 20 drives the compressor 11 and controls the operation of the compressor 11.
  • the compressor driver module 20 is arranged adjacent to the compressor 11. As shown in FIG. 2, the compressor driver module 20 is arranged apart from the control box 4.
  • the compressor driver module 20 is attached to the upper part of the compressor 11 as shown in FIGS. 1 and 2. Details of the compressor driver module 20 will be described later.
  • the fan 3 takes in outdoor air from the front panel 42, the back panel 43, and the suction ports 48 provided on the two side panels 44, and supplies the outdoor air to the heat source side heat exchanger 2. Further, the fan 3 discharges the outdoor air heat exchanged by the heat source side heat exchanger 2 to the outside from the discharge port 47 provided in the upper surface panel 41.
  • the fan driver module 30 has a built-in second power conversion device 12.
  • the fan driver module 30 includes, for example, a second rectifier circuit 9b and a second power conversion device 12, as shown in FIG.
  • the second power conversion device 12 has a second inverter board 12a provided with an inverter circuit.
  • the fan driver module 30 drives the fan 3 and controls the operation of the fan 3.
  • the fan driver module 30 is arranged adjacent to the fan 3. The details of the fan driver module 30 will be described later.
  • the output line 21 for the compressor electrically connects the terminal block 49 in the control box 4 and the first rectifier circuit 9a of the driver module 20 for the compressor.
  • the terminal block 49 is connected to the input power supply 8.
  • the compressor output line 21 supplies electric power from the input power source 8 to the compressor driver module 20 via the terminal block 49.
  • the compressor control line 22 electrically connects the control board 14 in the control box 4 and the first power conversion device 10 of the compressor driver module 20.
  • the compressor control line 22 transmits a control signal from the control board 14 in the control box 4 to the first power conversion device 10 of the compressor driver module 20.
  • the fan output line 31 electrically connects the terminal block 49 in the control box 4 and the second rectifier circuit 9b of the fan driver module 30.
  • the fan output line 31 supplies electric power from the input power supply 8 to the fan driver module 30 via the terminal block 49.
  • the fan control line 32 electrically connects the control board 14 in the control box 4 and the second power conversion device 12 of the fan driver module 30.
  • the fan control line 32 transmits a control signal from the control board 14 in the control box 4 to the second power conversion device 12 of the fan driver module 30.
  • a compressor driver module 20 is provided adjacent to the compressor 11, and a fan driver module 30 is provided adjacent to the fan 3.
  • the compressor 11 and the compressor driver module 20 may be integrated.
  • the fan 3 and the fan driver module 30 may be integrated.
  • FIG. 4 is a refrigerant circuit diagram showing the configuration of a refrigeration cycle device provided with the heat source side unit 1 according to the first embodiment.
  • the refrigeration cycle apparatus includes a heat source side unit 1 and a load side unit 80.
  • the heat source side unit 1 is connected to the load side unit 80 by the refrigerant pipe 70.
  • the load-side unit 80 includes a load-side heat exchanger 81.
  • the heat source side unit 1 includes a compressor 11, a four-way valve 76, a heat source side heat exchanger 2, an expansion valve 71, and a refrigerant flow control unit 72.
  • the heat source side unit 1 may further include other components such as an accumulator.
  • the four-way valve 76 switches the direction in which the refrigerant flows.
  • the four-way valve 76 is switched between the case where the refrigeration cycle device is in the cooling operation and the case where the refrigeration cycle device is in the heating operation.
  • the four-way valve 76 switches to the state shown by the solid line in FIG. 4, and communicates the refrigerant discharge pipe 60 of the compressor 11 with the heat source side heat exchanger 2.
  • the four-way valve 76 switches to the state shown by the broken line in FIG. 4, and communicates the refrigerant discharge pipe 60 of the compressor 11 and the load side heat exchanger 81 via the refrigerant flow control unit 72.
  • the refrigerant pipe 70 connects the compressor 11, the four-way valve 76, the heat source side heat exchanger 2, the expansion valve 71, the refrigerant flow control unit 72, and the load side heat exchanger 81.
  • the expansion valve 71 depressurizes the refrigerant and outputs it.
  • the refrigerant flow control unit 72 includes four check valves 72a, 72b, 72c and 72d.
  • the check valves 72a, 72b, 72c and 72d allow the flow of refrigerant in one direction.
  • the refrigerant flow control unit 72 limits the flow of the refrigerant by using the check valves 72a, 72b, 72c and 72d, respectively.
  • the refrigeration cycle device has the heat source side unit 1 and the load side unit 80 in this way, and is used as, for example, an air conditioner. Further, in the above description, it has been described that the refrigeration cycle apparatus performs the cooling operation and the heating operation, but the present invention is not limited to this case. For example, when the refrigerating cycle device has a configuration in which only the cooling operation is performed, the refrigerating cycle device is used as a refrigerator.
  • FIG. 5 is a schematic front view schematically showing the inside of the heat source side unit 101 according to the comparative example.
  • FIG. 6 is a schematic side view schematically showing the inside of the heat source side unit 101 according to the comparative example.
  • FIG. 7 is a schematic front view schematically showing the inside of the control box 104 provided in the heat source side unit 101 according to the comparative example.
  • the heat source side unit 101 includes a heat source side heat exchanger 102, a fan 103, a control box 104, a compressor inverter output line 105, a fan inverter output line 106, and a compressor 107. It has.
  • the control box 104 houses a first power conversion device 108 that drives the compressor 107 and a second power conversion device 109 that drives the fan 103.
  • the first power conversion device 108 has an inverter board 113.
  • the second power conversion device 109 has an inverter board 114.
  • heat sinks 115 and 116 are provided outside the side plate of the control box 104.
  • the heat sink 115 is thermally connected to the inverter board 113 via the side plate of the control box 104.
  • the heat sink 116 is thermally connected to the inverter board 114 via the side plate of the control box 104.
  • the heat sinks 115 and 116 are composed of a refrigerant pipe through which the refrigerant flows and a heat radiating plate attached to the refrigerant pipe.
  • the heat radiating plate of the heat sink 115 and the heat radiating plate of the heat sink 116 are thermally connected to the inverter boards 113 and 114, respectively, so that the heat generated from the inverter boards 113 and 114 is cooled by the refrigerant.
  • FIG. 8 is a block diagram showing the internal configuration of the control box 104 of the heat source side unit 101 according to the comparative example. As shown in FIG. 8, in the heat source side unit 101 according to the comparative example, the first power conversion device 108, the second power conversion device 109, the rectifier circuit 110, and the control board 111 are arranged inside the control box 104. Has been done.
  • the rectifier circuit 110 converts the AC voltage supplied from the input power supply 112 into a DC voltage and outputs the AC voltage to the first power conversion device 108 and the second power conversion device 109.
  • the first power conversion device 108 receives a control command from the control board 111 and supplies power to the compressor 107 via the compressor inverter output line 105.
  • the second power conversion device 109 receives a control command from the control board 111 and supplies power to the fan 3 via the fan inverter output line 106.
  • the first power conversion device 108 and the second power conversion device 109 are arranged inside the control box 104.
  • the control box 104 is arranged in the lower part of the housing of the heat source side unit 101.
  • the fan 103 is provided on the upper surface panel of the housing of the heat source side unit 101. Therefore, the distance between the fan 103 and the second power converter 109 is long. As a result, the fan inverter output line 106 that connects the fan 103 and the second power conversion device 109 is routed, and the wiring path becomes long. Further, as shown in FIG. 6, the compressor 107 is arranged apart from the control box 104.
  • the compressor 107 and the first power converter 108 are connected via an inverter output line 105 for the compressor. Radiation noise is radiated from the compressor inverter output line 105 and the fan inverter output line 106. Therefore, peripheral devices are affected by radiation noise. The reason will be described below.
  • the inverter circuits provided on the inverter boards 113 and 114 have a DC / DC converter unit and a DC / AC inverter unit.
  • the DC / DC converter unit boosts or lowers the input DC voltage and outputs it.
  • the DC / AC inverter unit has six semiconductor switching elements. These semiconductor switching elements are, for example, IGBT (Insulated Gate Bipolar Transistor) elements.
  • the DC / AC inverter unit converts the DC voltage output from the DC / DC converter unit into a three-phase AC voltage by PWM control by switching the semiconductor switching elements. At this time, switching noise is generated by the high-speed on / off operation of these six semiconductor switching elements.
  • the DC / DC converter section is also provided with semiconductor switching elements such as MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) elements, and since these semiconductor switching elements perform switching operations, DC / The DC converter section also becomes a noise source.
  • MOSFET Metal-Oxide-Semiconductor Field-Effect Transistor
  • the noise generated in the inverter circuit is radiated into the air from the inverter output line. This is called radiation noise. Therefore, in the comparative example, radiation noise is radiated from the compressor inverter output line 105 and the fan inverter output line 106.
  • the heat source side unit 101 when the heat source side unit 101 is in operation, it is controlled by heat generated from the inverter boards 113 and 114 provided in the first power conversion device 108 and the second power conversion device 109.
  • the temperature inside the box 104 becomes high. If the temperature inside the control box 104 becomes high, it causes a malfunction of the control board 111. Therefore, it is necessary to cool the inverter boards 113 and 114 by using the heat sinks 115 and 116.
  • the control box 104 cannot be removed, which makes maintenance work difficult. Further, the heat sinks 115 and 116 form a bypass passage for the heat sink in the refrigerant pipe, and are composed of the bypass passage and the radiation plate. Therefore, a bypass passage must be formed in the refrigerant pipe, which complicates the structure of the heat source side unit 101.
  • the heat source side unit 1 includes a first power conversion device 108, a second power conversion device 109, a rectifier circuit 110, and a control provided inside the control box 104 of the comparative example shown in FIG. As shown in FIG. 9, the board 111 is divided into two modules and a control box 4.
  • FIG. 9 is an image diagram for explaining a method of generating two modules and one control box in the heat source side unit 1 according to the first embodiment.
  • a frame corresponding to the control box 104 of the comparative example is shown by a solid line C so that the comparison with FIG. 8 showing the comparative example can be easily performed.
  • the parts of the heat source side unit 1 are grouped to generate two modules.
  • the rectifier circuit 9 and the first power conversion device 10 surrounded by the dotted line A constitute the compressor driver module 20 shown in FIGS. 1 and 2.
  • the rectifier circuit 9 and the second power conversion device 12 surrounded by the broken line B constitute the fan driver module 30 shown in FIGS. 1 and 2.
  • the control board 14 is housed in the control box 4.
  • FIG. 10 is a block diagram showing the internal configurations of the two modules and the control box 4 in the heat source side unit 1 according to the first embodiment.
  • the rectifier circuit 9 of FIG. 9 is divided into a first rectifier circuit 9a and a second rectifier circuit 9b.
  • the compressor driver module 20 has a first rectifier circuit 9a and a first power conversion device 10.
  • the first power conversion device 10 is provided with a first inverter board 10a for driving the compressor 11.
  • the compressor driver module 20 drives the compressor 11 by an inverter circuit provided on the first inverter board 10a.
  • the fan driver module 30 has a second rectifier circuit 9b and a second power conversion device 12.
  • the second power conversion device 12 is provided with a second inverter board 12a for driving the fan 3.
  • the fan driver module 30 drives the fan 3 by an inverter circuit provided on the second inverter board 12a.
  • the second inverter board 12a has an inverter circuit.
  • the inverter circuit provided on the first inverter board 10a and the second inverter board 12a has a DC / DC converter section and a DC / AC inverter section. Since the configurations of the DC / DC converter section and the DC / AC inverter section are basically the same as those of the DC / DC converter section and the DC / AC inverter section of the comparative example, the description thereof will be omitted here.
  • control box 4 includes a control board 14 and a terminal block 49.
  • the terminal block 49 is connected to the input power supply 8 via the input line 50.
  • the terminal block 49 is connected to the second rectifier circuit 9b of the fan driver module 30 via the fan output line 31.
  • the second rectifier circuit 9b converts the AC voltage from the input power supply 8 into a DC voltage and supplies it to the second power converter 12.
  • the fan driver module 30 is supplied with electric power from the input power supply 8 via the terminal block 49.
  • the fan driver module 30 operates the second power conversion device 12 to supply power to the fan 3.
  • control board 14 is connected to the fan driver module 30 via the fan control line 32, and transmits a control signal.
  • the fan driver module 30 controls the switching operation of each switching element provided in the inverter circuit of the second inverter board 12a according to the control signal. As a result, the rotation speed of the fan 3 is controlled.
  • the terminal block 49 is connected to the first rectifier circuit 9a of the compressor driver module 20 via the compressor output line 21.
  • the first rectifier circuit 9a converts the AC voltage from the input power supply 8 into a DC voltage and supplies it to the first power conversion device 10.
  • the compressor driver module 20 operates the first power conversion device 10 to supply power to the compressor 11.
  • control board 14 is connected to the compressor driver module 20 via the compressor control line 22, and transmits a control signal.
  • the compressor driver module 20 controls the switching operation of each switching element provided in the inverter circuit of the first inverter board 10a according to the control signal. Thereby, the drive frequency of the compressor 11 is controlled.
  • the compressor driver module 20 by providing the compressor driver module 20, the first inverter board 10a and the first rectifier circuit 9a for driving the compressor 11 are placed outside the control box 4. It is arranged. Further, as shown in FIGS. 1 and 2, the compressor driver module 20 is arranged adjacent to the compressor 11.
  • the inverter output line 51 connecting the first power converter 10 and the compressor 11 has a significantly shorter wiring length than the compressor inverter output line 105 of the comparative example. Therefore, the amount of radiated noise radiated from the inverter output line 51 is also significantly reduced. As a result, there is almost no effect on the surrounding electrical parts.
  • the fan driver module 30 by providing the fan driver module 30, the second inverter board 12a and the second rectifier circuit 9b for driving the fan 3 are arranged outside the control box 4. Further, as shown in FIG. 1, the fan driver module 30 is arranged adjacent to the fan 3.
  • the inverter output line 52 that connects the second power conversion device 12 and the fan 3 has a significantly shorter wiring length than the fan inverter output line 106 of the comparative example. Therefore, the amount of radiated noise radiated from the inverter output line 52 is also significantly reduced. As a result, there is almost no effect on the surrounding electrical parts.
  • FIG. 11 is a block diagram showing a modified example of the two modules in the heat source side unit 1 according to the first embodiment.
  • the function of the compressor driver module 20 may be built into the housing of the compressor 11, and the compressor driver module 20 and the compressor 11 may be integrally molded.
  • the one in which the compressor 11 and the driver module 20 for the compressor are integrally molded is referred to as a substrate-integrated compressor 11A.
  • the function of the fan driver module 30 may be built into the motor frame of the fan 3 and integrally molded with the fan 3.
  • a fan 3 and a fan driver module 30 integrally molded will be referred to as a substrate-integrated fan 3A.
  • the motor frame is a housing in which the fan motor 3a (see FIG. 14) of the fan 3 is housed.
  • FIG. 12 is a plan view showing the positional relationship between the terminal block 49, the output line 21 for the compressor, and the output line 31 for the fan in the control box 4 of the heat source side unit 1 according to the first embodiment.
  • the compressor output line 21 and the fan output line 31 are taken out from the upper part or the side surface of the control box 4 so as not to be adjacent to each other.
  • the compressor output line 21 and the fan output line 31 are taken out from different positions of the control box 4 and arranged so as to extend in opposite directions.
  • the input line 50 shown in FIGS. 10 and 11 is taken out from the lower part of the control box 4 in consideration of the intrusion of water such as rainwater or drain.
  • the plurality of input lines 50 are arranged so as not to be adjacent to each other, similarly to the compressor output line 21 and the fan output line 31. That is, the plurality of input lines 50 are taken out from different positions of the control box 4 and arranged so as to extend in different directions from each other.
  • FIG. 12 also illustrates the compressor control line 22 and the fan control line 32.
  • the compressor control line 22 and the fan control line 32 are taken out from the upper part or the side surface of the control box 4 so as not to be adjacent to each other.
  • the compressor control line 22 and the fan control line 32 are taken out from different positions of the control box 4 and arranged so as to extend in opposite directions to each other.
  • the compressor control line 22 and the fan control line 32 are arranged so as to be separated from the compressor output line 21 and the fan output line 31 through a gap as long as possible.
  • the output line is connected to the fan 3 and the compressor 11 at a shorter distance than the control line. Since the compressor 11 is easily arranged in the vicinity of the control box 4, the wiring length between the output line and the control line is not so long in any case. Therefore, in the case of the compressor 11, the output line and the control line are connected to each other. You don't have to think too much about which one to shorten. On the other hand, since the fan 3 is located away from the control box 4, it is particularly desirable to consider whether the output line of the fan 3 is shorter than that of the control line. Therefore, in the first embodiment, the fan output line 31 drawn out from the control box 4 is arranged so as to be the shortest distance from the fan driver module 30.
  • the fan control line 32 is arranged so as to be as far as possible from the fan output line 31.
  • the fan output line 31 is arranged so as to pass through the rectangular hollow portion of the heat source side heat exchanger 2.
  • the fan control line 32 is arranged so as to pass in the vicinity of the heat source side heat exchanger 2 or in the vicinity of the side panel 44 of the heat source side unit 1.
  • FIG. 13 is a diagram showing mounting positions of the compressor 11 and the compressor driver module 20 in the heat source side unit 1 according to the first embodiment.
  • a refrigerant discharge pipe 60 is provided on the discharge side of the compressor 11, and a refrigerant suction pipe 61 is provided on the suction side of the compressor 11.
  • the compressor driver module 20 is arranged adjacent to the refrigerant discharge pipe 60 of the compressor 11.
  • the compressor driver module 20 and the refrigerant discharge pipe 60 are thermally connected.
  • the heat sink 62 is interposed between the compressor driver module 20 and the refrigerant discharge pipe 60, but the heat sink 62 does not necessarily have to be provided, and may be provided as needed.
  • the heat sink 62 has, for example, heat dissipation fins (not shown). The heat radiating fins project outward in the direction away from the compressor driver module 20. If the heat sink 62 is not provided, the compressor driver module 20 and the refrigerant discharge pipe 60 are in direct contact with each other and are thermally connected. The temperature of the surface of the refrigerant discharge pipe 60 of the compressor 11 is relatively stable. Further, the temperature of the surface of the refrigerant discharge pipe 60 of the compressor 11 is lower than the temperature of the driver module 20 for the compressor. Therefore, the heat generated from the compressor driver module 20 is cooled by the refrigerant flowing in the refrigerant discharge pipe 60. As a result, the heat sink attached to the refrigerant pipe as described in the comparative example becomes unnecessary. As a result, in the first embodiment, it is not necessary to form a bypass pipe for the heat sink in the refrigerant pipe, and the cooling structure can be simplified as compared with the comparative example.
  • the temperature of the upper shell of the compressor 11 is also relatively stable, which is lower than the temperature of the compressor driver module 20. Therefore, a heat sink 62 may be interposed between the compressor driver module 20 and the upper shell of the compressor 11 to cool the compressor driver module 20. In this case as well, the driver module 20 for the compressor and the upper shell of the compressor 11 may be brought into direct contact with each other without providing the heat sink 62.
  • FIG. 14 is an enlarged view showing the mounting positions of the fan 3 and the fan driver module 30 in the heat source side unit 1 according to the first embodiment.
  • the fan 3 is composed of a fan motor 3a and a rotary blade 3b.
  • the fan motor 3a is not shown in FIGS. 1 and 2.
  • the fan driver module 30 is arranged below the fan motor 3a of the fan 3.
  • the fan driver module 30 is air-cooled by utilizing the air flow generated by the rotation of the fan 3.
  • the arrow in FIG. 14 indicates the flow of air generated by the rotation of the fan 3. In this way, the fan driver module 30 is arranged in the air flow path taken in by the fan 3. Further, in FIG.
  • the heat sink 53 is provided in the fan driver module 30, but the heat sink 53 does not necessarily have to be provided, and may be provided as needed.
  • the heat sink 53 has heat radiating fins 53a, and radiates heat from the heat radiating fins 53a toward the air. When the heat sink 53 is provided, the cooling of the fan driver module 30 is promoted.
  • the control board 14 is arranged as a heating element in the control box 4A.
  • the amount of heat generated is significantly reduced because the first power conversion device 10 and the second power conversion device 12 are not provided.
  • the heat generated from the control board 14 is significantly less than the heat generated from the first power conversion device 10 and the second power conversion device 12. Therefore, it is not necessary to provide the control box 4 with a cooling device having a high cooling capacity.
  • the control box 4 is provided below the heat source side unit 1, the rotation of the fan 3 causes air to flow through the entire housing 40 of the heat source side unit 1, so that the control box 4 is of the air. Cooled by the flow.
  • a heat sink may be provided.
  • the heat sink may have heat dissipation fins 53a and dissipate heat from the heat dissipation fins 53a toward the air, as in the case of the heat sink 53 shown in FIG.
  • a cooling device such as an axial fan may be provided in the control box 4, but in the first embodiment, such a cooling device is unnecessary.
  • a cooling device attached to the refrigerant pipe is not required, so that the control box 4 can be removed. This facilitates maintenance work.
  • the first inverter board 10a for operating the compressor 11 is arranged in the compressor driver module 20.
  • the second inverter board 12a for operating the fan 3 is arranged in the fan driver module 30.
  • the compressor driver module 20 is arranged adjacent to the compressor 11, and the fan driver module 30 is arranged adjacent to the fan 3.
  • the wiring lengths of the inverter output lines 51 and 52 are significantly shortened as compared with the comparative example. As a result, the influence of radiation noise can be suppressed.
  • the first inverter board 10a for operating the compressor 11 and the second inverter board 12a for operating the fan 3 are arranged outside the control box 4. As a result, it is possible to suppress an increase in the temperature inside the control box 4.
  • the wiring connecting the control box 4 and the fan 3 and the wiring connecting the control box 4 and the compressor 11 are in different directions from each other. It is extending. That is, the wiring connecting the control box 4 and the fan 3 extends in the vertical direction, and the wiring connecting the control box 4 and the compressor 11 extends in the horizontal direction. As a result, the wiring connecting the control box 4 and the compressor 11 does not interfere with the fan output line 31 and the fan control line 32 connecting the control box 4 and the fan 3. Therefore, it is easy to wire the fan output line 31 and the fan control line 32 that connect the control box 4 and the fan 3. As a result, it is easy to arrange the fan output line 31 and the fan control line 32 so as to have the shortest distance.
  • the compressor driver module 20 and the fan driver module 30 are arranged apart from each other. As a result, the compressor driver module 20 and the fan driver module 30, which are heating elements, are thermally dispersed. When the compressor driver module 20 and the fan driver module 30 are installed in the vicinity, cooling of the compressor driver module 20 and the fan driver module 30 is difficult to be promoted due to the synergistic effect of heat generated from both. However, in the first embodiment, since the compressor driver module 20 is arranged at the lower part of the heat source side unit 1 and the fan driver module 30 is arranged at the upper part of the heat source side unit 1, the heat generation locations are separated. There is. As a result, cooling of the compressor driver module 20 and the fan driver module 30 is likely to be promoted.
  • a cooling device having a high cooling capacity is unnecessary. Therefore, in the first embodiment, the heat generated from the first inverter board 10a of the compressor driver module 20 is cooled by the refrigerant, and the heat generated from the second inverter board 12a of the fan driver module 30 is generated by the air blown from the fan 3. Cooling. As a result, it is not necessary to provide a heat sink to be attached to the refrigerant pipe described in the comparative example. Further, in general, a cooling device such as an axial fan may be provided in the control box 4, but in the first embodiment, such a cooling device is also unnecessary.
  • FIG. 15 is a schematic front view schematically showing the inside of the heat source side unit 1 according to the second embodiment.
  • FIG. 16 is a schematic side view schematically showing the inside of the heat source side unit 1 according to the second embodiment.
  • the arrangement position of the control box 4 is shifted upward in the vertical direction as compared with the first embodiment. That is, in FIG. 1, the control box 4 was arranged between the heat source side heat exchanger 2 and the bottom panel 45 at a position closer to the bottom panel 45 than the heat source side heat exchanger 2. On the other hand, in FIG. 15, the control box 4 is arranged between the heat source side heat exchanger 2 and the bottom panel 45 at a position closer to the heat source side heat exchanger 2 than the bottom panel 45. Therefore, in the second embodiment, the control box 4 is arranged at the central portion of the heat source side unit 1 in the vertical direction. Since other configurations and operations are the same as those in the first embodiment, the description thereof will be omitted here.
  • the control box 4 is arranged in the central portion of the heat source side unit 1 in the vertical direction in the housing 40 of the heat source side unit 1.
  • the distance between the control box 4 and the fan driver module 30 is further shortened as compared with the first embodiment.
  • the wiring of the fan output line 31 and the fan control line 32 connecting the control box 4 and the fan driver module 30 can be shortened as compared with the first embodiment. Can be transformed into.
  • the control box 4 is arranged on the front panel 42 side in the housing 40 of the heat source side unit 1 as shown in FIG.
  • the compressor output line 21 and the compressor control line 22 that connect the control box 4 and the compressor driver module 20 are drawn out from the lower surface of the control box 4.
  • the compressor driver module 20 is attached to the upper part of the compressor 11 as shown in FIGS. 15 and 16.
  • the distance between the lower surface of the control box 4 and the driver module 20 for the compressor can be made shorter than that in the first embodiment.
  • the wiring of the compressor output line 21 and the compressor control line 22 connecting the control box 4 and the compressor driver module 20 can be shortened as compared with the first embodiment.
  • the routing of the wiring can be optimized.
  • the control box 4 is arranged on the front panel 42 side in the housing 40 of the heat source side unit 1 as shown in FIG. When the front panel 42 is used as the work surface, the maintenance work of the control box 4 is easy.
  • the compressor driver module 20 and the fan driver module 30 are provided as in the first embodiment, so that the same effect as that of the first embodiment can be obtained. Can be done.
  • the wiring of the fan output line 31 and the fan control line 32 connecting the control box 4 and the fan driver module 30 can be further shortened as compared with the first embodiment. Therefore, the radiation noise can be further suppressed.
  • control box 4 is arranged in the housing 40 of the heat source side unit 1 at a distance from the bottom panel 45 via a preset gap. This makes it possible to prevent the intrusion of water such as rainwater or drain water and the intrusion of snow in the control box 4. As a result, the degree of sealing of the control box 4 can be relaxed. As a result, the structure of the control box 4 can be simplified. Further, it can be expected that the heat resistance performance of the components of the control box 4 will be relaxed and the cooling components will be deleted.
  • FIG. 17 is a schematic front view schematically showing the inside of the heat source side unit 1 according to the third embodiment.
  • FIG. 18 is a schematic side view schematically showing the inside of the heat source side unit 1 according to the third embodiment.
  • the arrangement position of the control box 4 is higher than that in the second embodiment. In the horizontal direction, it is shifted away from the front panel 42. That is, in the third embodiment, as shown in FIG. 18, the control box 4 is arranged in the central portion between the front panel 42 and the back panel 43 in the horizontal direction. As a result, in the third embodiment, the control box 4 is arranged in the housing 40 of the heat source side unit 1 at the central position in the vertical direction and the central position in the horizontal direction of the heat source side unit 1. As a result, the distance between the control box 4 and the compressor driver module 20 becomes shorter than that in the second embodiment. Since other configurations and operations are the same as those of the first embodiment or the second embodiment, the description thereof will be omitted here.
  • the control box 4 is arranged in the central portion in the housing 40 of the heat source side unit 1. That is, as shown in FIG. 18, in the housing 40 of the heat source side unit 1, the control box 4 is arranged at the central position in the horizontal direction and the vertical direction.
  • the heat source side heat exchanger 2 is provided along the upper halves of the four panels of the front panel 42, the back panel 43, and the two side panels 44, as described in the first embodiment. There is. Therefore, it can be said that the control box 4 arranged at a position directly below the heat source side heat exchanger 2 is arranged at a substantially central position in the vertical direction, although it is strictly below the central position.
  • the control box 4 is arranged in the central portion of the heat source side unit 1 in the housing 40.
  • a guide 77 for guiding the movement of the control box 4 may be provided in the housing 40 of the heat source side unit 1 so that the control box 4 can be pulled out toward the front by, for example, a pulley. , Maintenance work is easy.
  • the distance between the control box 4 and the driver module 20 for the compressor is further shorter than that in the second embodiment as compared with the second embodiment.
  • the wiring of the compressor output line 21 and the compressor control line 22 connecting the control box 4 and the compressor driver module 20 can be shortened, so that the wiring can be further optimized. ..
  • the compressor driver module 20 and the fan driver module 30 are provided as in the first and second embodiments, and thus the same as in the first and second embodiments. The effect can be obtained.
  • control box 4 is arranged at a position separated from the bottom panel 45, so that the control box 4 and the fan driver module 30 are arranged accordingly. Since the distance between the two is shortened, the same effect as that of the second embodiment can be obtained.
  • the distance between the control box 4 and the driver module 20 for the compressor is increased by arranging the control box 4 in the central portion in the housing 40 of the heat source side unit 1. It will be shorter than 2.
  • the wiring of the compressor output line 21 and the compressor control line 22 can be shortened as compared with the second embodiment, so that the wiring can be further optimized. As a result, it can be expected that the radiation noise is further suppressed as compared with the second embodiment.
  • the distance between the control box 4 and the front panel 42 is longer than that in the first and second embodiments. Therefore, as compared with the first and second embodiments, it becomes more difficult for the worker to perform the maintenance work of the control box 4. Therefore, for example, if a guide 77 is provided so that the operator can pull out the control box 4 toward the front with a pulley or the like, the maintenance work of the control box 4 can be facilitated and maintainability can be ensured. Can be done.
  • the compressor driver module 20, the control box 4, and the fan driver module 30 are all located in the central portion of the housing 40 in a plan view. ing. That is, when considering an imaginary axis passing through the central position of the housing 40 in a plan view, the compressor driver module 20, the control box 4, and the fan driver module 30 are arranged so as to gather on the axis. There is. Therefore, as compared with the case where each component is dispersedly arranged in the housing 40 of the heat source side unit 1, there are fewer objects that block the air flow in the housing 40. Therefore, the air flow in the housing 40 becomes smooth, and the heat exchange efficiency of the heat source side heat exchanger 2 is improved accordingly. As a result, the performance of the heat source side unit 1 is improved. Further, if the performance of the heat source side unit 1 is improved, each component of the heat source side unit 1 can be miniaturized accordingly.
  • control box 4 may be projected toward the hollow portion of the heat source side heat exchanger 2.
  • the control board 14 in the control box 4 is air-cooled by the outdoor air passing through the heat source side heat exchanger 2.
  • control box 4 is provided with a heat sink thermally connected to the control board 14, and the heat sink is blown with air to promote heat dissipation.
  • FIG. 19 is a schematic front view schematically showing the inside of the heat source side unit 1 according to the fourth embodiment.
  • FIG. 20 is a schematic side view schematically showing the inside of the heat source side unit 1 according to the fourth embodiment.
  • FIG. 21 is a diagram showing a compressor driver module 20 in the heat source side unit according to the fourth embodiment.
  • both the first power conversion device 10 for driving the compressor 11 and the second power conversion device 12 for driving the fan 3 are arranged outside the control box 4 .
  • the compressor driver module 20 is arranged adjacent to the compressor 11 as in the first embodiment.
  • the fan driver module 30 is provided in the control box 4A as shown in FIG. This point is different from the first embodiment. Since other configurations and operations are the same as those of any one of the first to third embodiments, the description thereof will be omitted here.
  • the fan driver module 30 does not need to be in the form of a module. That is, the second rectifier circuit 9b (see FIG. 10) and the second power conversion device 12 (see FIG. 10) provided in the fan driver module 30 may be simply arranged in the control box 4A. ..
  • the compressor driver module 20 and the compressor 11 may be integrally molded to form a substrate-integrated compressor 11A.
  • the first power conversion device 10 (see FIG. 10) and the first rectifier circuit 9a (FIG. 10) for driving the compressor 11 by providing the driver module 20 for the compressor are provided. Is arranged outside the control box 4A.
  • the first power conversion device 10 which is a heating element is arranged outside the control box 4A, the first power conversion device 10 is provided with respect to the second power conversion device 12 which is another heating element. Can be thermally separated.
  • the compressor driver module 20 having the first power converter 10 is cooled by the refrigerant discharge pipe 60 of the compressor 11. As a result, the heat sink attached to the refrigerant pipe as provided for the control box 104 used in the above comparative example is unnecessary.
  • the second power conversion device 12 and the control board 14 are arranged as heating elements in the control box 4A.
  • the amount of heat generated is reduced by the amount of the first power conversion device 10, so that it is not necessary to provide the control box 4A with a cooling device having a high cooling capacity.
  • the control box 4A is provided in the lower part of the heat source side unit 1, but since the air in the entire housing 40 of the heat source side unit 1 flows by the rotation of the fan 3, the control box 4A is the air. Cooled by the flow.
  • a heat sink having heat radiating fins may be provided in the control box 4A as in the heat sink 53 of FIG.
  • the compressor driver module 20 is arranged adjacent to the compressor 11, or the compressor driver module 20 and the compressor 11 are integrated. In either case, the wiring length of the inverter output line 51 connecting the compressor driver module 20 and the compressor 11 is significantly shorter than that of the comparative example. As a result, the influence of radiation noise can be suppressed.
  • the first inverter board 10a for operating the compressor 11 is arranged in the compressor driver module 20. Further, as shown in FIGS. 19 and 20, the compressor driver module 20 is arranged adjacent to the compressor 11. As a result, the wiring length of the inverter output line 51 becomes significantly shorter than that of the comparative example. As a result, the influence of radiation noise can be suppressed.
  • the control box 4 and the fan driver module 30 are located in the central portion of the housing 40 in a plan view. That is, when considering an imaginary axis passing through the central position of the housing 40 in a plan view, the control box 4 and the fan driver module 30 are arranged so as to gather on the axis. Therefore, the wiring connecting the control box 4A and the fan 3 is arranged so as to extend in the vertical direction. On the other hand, the control box 4A and the compressor 11 are arranged along the horizontal direction. As a result, the wiring connecting the control box 4A and the compressor 11 is arranged so as to extend in the horizontal direction.
  • the wiring connecting the control box 4A and the compressor 11 does not interfere with the wiring connecting the control box 4A and the fan 3. Therefore, it is easy to route the wiring of the fan output line 31, the fan control line 32, and the inverter output line 51 that connect the control box 4A and the fan 3. As a result, it is easy to arrange the fan output line 31, the fan control line 32, and the inverter output line 51 so as to be the shortest, and it is possible to optimize the wiring routing.
  • the heat generated from the first power conversion device 10 of the compressor driver module 20 is cooled by the refrigerant, and the heat generated from the second power conversion device 12 and the control board 14 of the control box 4A is generated by the fan 3. Cool by blowing air from.
  • a cooling device such as an axial fan may be provided in the control box, but in the fourth embodiment, such a cooling device is also unnecessary.
  • the heat sink for cooling the control box 104 is attached to the refrigerant pipe, the control box 104 cannot be removed, and the maintenance work is difficult.
  • the control box 4 since the control box 4 can be easily removed, the maintenance work is also easy.
  • control box 4 is arranged in the central portion in the horizontal direction.
  • control box 4 or the control box 4A may be arranged in the central portion in the horizontal direction.
  • control box 4 or the control box 4A is arranged at the lower part of the housing 40 and at the central portion in the horizontal direction of the housing 40.
  • FIG. 22 is a diagram schematically showing the inside of a modified example of the compressor driver module 20 in the heat source side unit 1 according to the first to fourth embodiments.
  • the compressor driver module 20 in the modification will be referred to as a compressor driver module 20A.
  • the compressor driver module 20 described in the first embodiment described above has a first inverter board 10a made of one board.
  • the compressor driver module 20A according to the modified example has a first inverter board 10a composed of two boards.
  • the compressor driver module 20A will be described.
  • the inverter circuit provided on the first inverter board 10a has a DC / DC converter section and a DC / AC inverter section.
  • one or more electrolytic capacitors 63 such as a smoothing capacitor may be provided between the DC / DC converter section and the DC / AC inverter section.
  • the substrate of the first inverter substrate 10a is composed of two substrates, the first substrate 10a-1 and the second substrate 10a-2. Then, only the electrolytic capacitor 63 of the first inverter board 10a is mounted on the second board 10a-2. Then, the remaining other components of the first inverter board 10a are mounted on the first board 10a-1.
  • the second substrate 10a-2 is arranged above the first substrate 10a-1. As shown in FIG. 22, a support column 64 is provided between the first substrate 10a-1 and the second substrate 10a-2, and is fixed by screwing with screws. As a result, a gap is formed between the first substrate 10a-1 and the second substrate 10a-2, and the first substrate 10a-1 and the second substrate 10a-2 are not thermally connected.
  • the first substrate 10a-1 and the refrigerant discharge pipe 60 are thermally connected via the heat sink 62.
  • the electrolytic capacitor 63 mounted on the second substrate 10a-2 is not affected by the heat from the refrigerant discharge pipe 60.
  • the other parts mounted on the first substrate 10a-1 are cooled by the refrigerant flowing in the refrigerant discharge pipe 60.
  • the compressor driver module 20 when the compressor driver module 20 is provided outside the control box 4A as in the fourth embodiment, the compressor driver module 20 is not provided with the first rectifier circuit 9a and the DC / DC converter unit. It may be. In that case, the compressor driver module 20 uses the second rectifier circuit 9b of the fan driver module 30 and the DC / DC converter unit provided in the control box 4A. That is, the compressor 11 side and the fan 3 side share the second rectifier circuit 9b and the DC / DC converter unit. In this case, the voltage rectified by the second rectifier circuit 9b of the control box 4A and converted to direct current by the DC / DC converter section of the control box 4A is transferred to the compressor driver module via the compressor output line 21. It is transmitted to 20.
  • the compressor driver module 20 is provided with only the DC / AC inverter section.
  • the electrolytic capacitor 63 is not mounted on the compressor driver module 20, it is not necessary to provide the first substrate 10a-1 and the second substrate 10a-2 as shown in FIG. 22.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Inverter Devices (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

L'invention concerne une unité côté source de chaleur, comprenant : un compresseur qui comprime et décharge un fluide frigorigène ; un ventilateur qui aspire de l'air ; un échangeur de chaleur côté source de chaleur qui échange de la chaleur entre le fluide frigorigène et l'air ; un module d'entraînement de compresseur qui entraîne le compresseur et comporte un premier dispositif de conversion d'énergie électrique incorporé dans celui-ci ; et une boîte de commande positionnée de manière à être espacée du module d'entraînement de compresseur, un substrat de commande qui commande le premier dispositif de conversion d'énergie électrique étant disposé à l'intérieur de la boîte de commande. De plus, le module d'entraînement de compresseur de l'unité côté source de chaleur est positionné de manière adjacente au compresseur.
PCT/JP2019/048229 2019-12-10 2019-12-10 Unité côté source de chaleur WO2021117121A1 (fr)

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PCT/JP2019/048229 WO2021117121A1 (fr) 2019-12-10 2019-12-10 Unité côté source de chaleur
CN201980102724.8A CN114761744A (zh) 2019-12-10 2019-12-10 热源侧单元
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JP2004156814A (ja) * 2002-11-05 2004-06-03 Daikin Ind Ltd 室外ユニットの電装品箱
JP2008057851A (ja) * 2006-08-31 2008-03-13 Daikin Ind Ltd 冷凍装置
JP2008057870A (ja) * 2006-08-31 2008-03-13 Daikin Ind Ltd 冷凍装置
JP2008057852A (ja) * 2006-08-31 2008-03-13 Daikin Ind Ltd 冷凍装置
JP2017198370A (ja) * 2016-04-26 2017-11-02 ダイキン工業株式会社 空気調和装置

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JP4663290B2 (ja) * 2004-10-27 2011-04-06 三洋電機株式会社 室外ユニット
JP5721682B2 (ja) * 2012-10-05 2015-05-20 三菱電機株式会社 電気品モジュールユニット及び空気調和機の室外機
JP6214462B2 (ja) * 2014-05-13 2017-10-18 三菱電機株式会社 空気調和機の室外機
KR20160086141A (ko) * 2015-01-09 2016-07-19 엘지전자 주식회사 공기 조화기의 실외기
WO2017077647A1 (fr) * 2015-11-06 2017-05-11 三菱電機株式会社 Unité extérieure et climatiseur utilisant ladite unité
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Publication number Priority date Publication date Assignee Title
JP2003143871A (ja) * 2001-11-01 2003-05-16 Daikin Ind Ltd 電動機制御モジュールおよびそれを備えた空気調和装置
JP2004156814A (ja) * 2002-11-05 2004-06-03 Daikin Ind Ltd 室外ユニットの電装品箱
JP2008057851A (ja) * 2006-08-31 2008-03-13 Daikin Ind Ltd 冷凍装置
JP2008057870A (ja) * 2006-08-31 2008-03-13 Daikin Ind Ltd 冷凍装置
JP2008057852A (ja) * 2006-08-31 2008-03-13 Daikin Ind Ltd 冷凍装置
JP2017198370A (ja) * 2016-04-26 2017-11-02 ダイキン工業株式会社 空気調和装置

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