CN104520649A - Outdoor unit for refrigeration cycle device - Google Patents

Abstract

The purpose of the present invention is to provide an outdoor unit for a refrigeration cycle device, wherein it is possible to efficiently cool an electric component that generates a great amount of heat and to improve reliability by preventing the adverse effect of heat on other electric components. An outdoor unit is provided with multiple air blowers, multiple inverter substrates for the air blowers, and an electrical component unit, wherein the air blowers are arranged in the vertical direction. The inverter substrates are arranged in the vertical direction and drive the air blowers. The electrical component unit houses the inverter substrates.

Description

The outdoor unit of freezing cycle device

The application is based on No. 2012-176492nd, the Japanese patent application on August 8th, 2012 by the applying date, and enjoys the priority of this application, by reference the full content of this application is contained in this.

Technical field

Embodiment described herein relates in general to a kind of outdoor unit of freezing cycle device.

Background technology

As freezing cycle device, such as, have and a kind ofly multiple stage indoor unit is connected to an outdoor unit and carries out the multiple air conditioner gas control device of the air conditioning of multicell or large space.

At first technical literature

Patent document

Patent document 1: Japanese Unexamined Patent Publication 2008-133986 publication

Summary of the invention

Technical problem to be solved

In outdoor unit, generally along with required maximum air handling capacity becomes large, the size of compressor and pressure fan etc. also can become large, and also can become large for the caloric value of the electric component of drived control compressor and pressure fan.Therefore, according to the arrangement of these electric components, disadvantageous heat affecting may be caused to other electric component.

In light of this situation, expect that a kind of electric component that can be effectively larger to caloric value cools and stops and causes disadvantageous heat affecting thus the outdoor unit of the freezing cycle device that reliability is improved to other electric component.

For the scheme of technical solution problem

The outdoor unit of the freezing cycle device of embodiment possesses multiple pressure fan, multiple inverter substrate of blower-use and electricity piece unit.Described multiple pressure fan is arranged along above-below direction.Described multiple inverter substrate is arranged along above-below direction, for driving described multiple pressure fan.Described electricity piece unit is for accommodating described multiple inverter substrate.

Detailed description of the invention

Below, with reference to accompanying drawing, the outdoor unit of the freezing cycle device based on embodiment is described.The embodiment show the example being applied to conditioner as freezing cycle device.

Fig. 9 is the figure of the structure of the freeze cycle that the conditioner being applied to present embodiment is shown.According to the flow direction of cold-producing medium during refrigerating operaton, the structure of this freeze cycle is described.

In the outdoor unit M of Fig. 9, the refrigerant pipe P being connected to the discharge portion of the compressor 21 of variable capacity type is connected to the first valve port of cross valve 24 via silencer 22 and check valve 23.Second valve port of this cross valve 24 is connected with one end of outdoor heat converter 2 via refrigerant pipe P.Outdoor heat converter 2 possesses the heat exchanger 2A ~ 2C of three outdoor uses.

Pressure fan 8 is configured to opposite with outdoor heat converter 2.Pressure fan 8 possesses the pressure fan 8A ~ 8C of three variable speed.Pressure fan 8A ~ 8C is arranged along above-below direction, opposite with these heat exchangers 2A ~ 2C respectively.The refrigerant pipe P being connected to the other end of outdoor heat converter 2 is connected to liquid via refrigerant tank 25 and outdoor expansion valve 26 and surveys filling-valve (packed valve) 27.

Refrigerant tank 25 is for the residual refrigerant in storing frozen circulation.In outdoor expansion valve 26, two outdoor expansion valves 26a, 26b are arranged in parallel.One end of liquid side communicating pipe PI is connected to liquid and surveys filling-valve 27, and the other end of liquid side communicating pipe PI is connected to 4 the indoor unit N1 ~ N4 forming indoor unit N.

In indoor unit N1 ~ N4, be respectively equipped with indoor expansion valve Na1 ~ Na4, indoor heat exchanger Nb1 ~ Nb4 and not shown indoor fan.One end of gas side communicating pipe Pg is connected to indoor unit N.The other end of gas side communicating pipe Pg is connected to the gas side filling-valve (packed valve) 28 of outdoor unit M.

Gas side filling-valve 28 is connected to the 3rd valve port of cross valve 24 via refrigerant pipe P.The refrigerant pipe P being connected to the 4th valve port of cross valve 24 is connected to the sucting of compressor 21 via reservoir (accumulator) 29.Cold-producing medium is separated into liquid refrigerant and gas refrigerant by reservoir 29.

Being provided with the first shunting circuit B1 of the bottom of discharge portion for connecting compressor 21 and reservoir 29, in this first shunting circuit, being provided with open and close valve V1.First shunting circuit B1 is following shunting circuit: outside temperature degree lower wait time, when cold-producing medium sinks in reservoir 29, in order to the heating of the liquid refrigerant of reservoir 29 to make a large amount of liquid refrigerants can not turn back in compressor 21, and for the shunting circuit of the bottom that the Exhaust Gas of compressor 21 is transported to reservoir 29.

Be provided with the second shunting circuit B2 of described discharge portion for connecting compressor 21 and sucting.Open and close valve V2 is provided with in this second shunting circuit B2.Second shunting circuit B2 is following shunting circuit: in order to heat compressor 21 when starting in the situation such as when temperature degree is lower outside, and for carrying the shunting circuit of Exhaust Gas.

Further, the 3rd shunting circuit B3 between described one end of described discharge portion and outdoor heat converter 2 for connecting compressor 21 and refrigerant tank 25 is provided with.Open and close valve V3 is provided with in the 3rd shunting circuit.3rd shunting circuit B3 is following shunting circuit: in order to prevent the pressure increase when heater unit load is less in freeze cycle, and a part for the Exhaust Gas of compressor 21 is transported to the shunting circuit of outdoor heat converter 2 for walking around indoor unit N.Compressor 21 drives freeze cycle as constructed as above, makes refrigerant circulation thus.

In outdoor unit M, on the refrigerant pipe P of the described discharge portion side of compressor 21, be provided with temperature sensor TD and high side pressure sensor HPS.Temperature sensor TD is for detecting the temperature of the gas refrigerant of discharging from compressor 21.High side pressure sensor HPS is for detecting the pressure of the described discharge portion side of compressor 21.Be provided with temperature sensor TO in the outside of the rear side of outdoor heat converter 2, outdoor heat converter 2 is provided with temperature sensor TE.Temperature sensor TO is for detecting outdoor temperature, and temperature sensor TE is used for the refrigerant temperature of sensing chamber's outer heat-exchanger 2.The refrigerant pipe P that outdoor expansion valve 26 and liquid are surveyed between filling-valve 27 is provided with temperature sensor TL.Temperature sensor TL is used for the temperature of tracer liquid cold-producing medium.The refrigerant pipe P of described sucting side being connected to compressor 21 is provided with temperature sensor TS and low-pressure lateral pressure sensor LPS.Temperature sensor TS is for detecting the temperature of the gas refrigerant be drawn in compressor 21, and low-pressure lateral pressure sensor LPS is for detecting the pressure of the described sucting side of compressor 21.These sensors are connected on the main control substrate 44 of electricity piece unit H described later.

Fig. 1 is the stereogram of the outward appearance of the outdoor unit M that described conditioner is shown.Fig. 2 be the first paragraph be made up of multiple main composition parts to the 3rd section decomposing the outdoor unit M illustrated at pie graph 1 typically three assembly S in, the stereogram of the assembly of first paragraph.Fig. 3 decomposes the stereogram that outdoor unit M is shown.Fig. 4 is the stereogram of the inside of outdoor unit M.

As shown in Figure 1 and Figure 3, outdoor unit M is consisted of upper and lower overlapping described three assembly S substantially.

As shown in Figures 2 to 4, described three assembly S by described heat exchanger 2A ~ 2C, pressure fan sub-assembly 3A ~ 3C, as a part for housing 4 case side face 12A ~ 12C, dividing plate 13A ~ 13C and fan guard 20A ~ 20C form.As shown in Figure 4, a part of electricity piece unit H doubles as dividing plate 13B.

Case side face 12A ~ 12C is made up of plate 17A ~ 17C after forming front panel 15A ~ 15C, the front panel 16A ~ 16C forming a part for housing 4 front surface and right flank of a part of housing 4 front surface and the side forming a part for housing 4 right flank and the part at the back side.

As shown in Figure 3, outdoor unit M housing 4 by the base plate 10 forming bottom, forms top plate portion top board 11, three case side facial 12A ~ 12C, dividing plate 13A ~ 13C and Fig. 2 and Fig. 4 shown in pillar 19 form.Case side face 12A ~ 12C is arranged between base plate 10 and top board 11.As shown in Figure 4, housing 4 interior separation is become heat-exchanging chamber 30 and Machine Room 31 by dividing plate 13A ~ 13C.Pillar 19 is arranged on the left surface of housing 4 and the bight of back part in the vertical mode across the overall height of base plate 10 to top board 11.

As shown in Fig. 2 and Fig. 4, heat exchanger 2A ~ 2C is the fin tube type heat exchanger when overlooking in roughly L-shaped.The U-shaped elbow of heat-exchange tube is given prominence to along a sidepiece of heat exchanger 2A ~ 2C.U-shaped elbow, the distributing pipe 5B shown in concetrated pipe 5A and Fig. 9 are arranged along the other side of heat exchanger 2A ~ 2C.

Pressure fan sub-assembly 3A ~ 3C possesses pressure fan 8A ~ 8C and pressure fan bracing frame 9A ~ 9C.Pressure fan 8A ~ 8C is made up of fan electromotor 6A ~ 6C and the pressure fan fan 7A ~ 7C be arranged on the rotating shaft of fan electromotor 6A ~ 6C.Pressure fan bracing frame 9A ~ 9C is for supporting pressure fan 8A ~ 8C.

Pressure fan bracing frame 9A ~ 9C in Fig. 2 and Fig. 4 is the longer long framework of above-below direction, and fan electromotor 6A ~ 6C is supported on the substantially central portion of this pressure fan bracing frame 9A ~ 9C.Such as, be provided with in the lower end of pressure fan bracing frame 9A ~ 9C be bent into roughly L-shaped, for the installation portion 9a of mounting base.The outstanding shape of the teat c2 of the base plate 10 shown in installation portion 9a and Fig. 3 of the pressure fan bracing frame 9A of first paragraph is corresponding.As shown in FIG. 2 and 3, be respectively equipped with in the upper end of pressure fan bracing frame 9A ~ 9C bend forward, for installing the installation portion 9b of front panel, and towards the support portion 9c of heat exchanger of rear side bending.Further, between these installation portions 9b and these support portions 9c, be respectively equipped with installation portion 9d, these installation portions 9d has the outstanding shape same with the teat c2 of the base plate 10 of Fig. 3.

In Fig. 2 and Fig. 3, multiple side portion that plate 17A ~ 17C is relative separately after front panel 15A ~ 15C, the front panel 16A ~ 16C, side of formation case side face 12A ~ 12C, are provided with the multiple connecting portion d for being connected to each other.Further, behind front panel 15A ~ 15C, front panel 16A ~ 16C, side, the upper end of plate 17A ~ 17C is respectively equipped with multiple connecting portion e, and the plurality of connecting portion e is fitted together to for plate after making to be configured in the front panel of top, front panel and side or top board 11.On the other hand, behind front panel 15A ~ 15C, front panel 16A ~ 16C, side, the bottom of plate 17A ~ 17C is respectively equipped with multiple coupling recess f, the plurality of coupling recess f be used for plate 17A ~ 17C behind front panel 15A ~ 15C, front panel 16A ~ 16C, side be embedded into be configured at below front panel, behind front panel and side plate or base plate 10 state under make fixture insert to be fixed.

On the connecting portion e of front panel 15A ~ 15C upper end, be respectively equipped with the fixed part 15b of pressure fan bracing frame, this fixed part 15b is used for the installation portion 9b of fixing pressure fan bracing frame 9A.Fixed part 15b mounts the front surface installation portion 9b of pressure fan bracing frame 9A ~ 9C respectively, and is fixed by fixture.Be formed as owing to only there being these fixed parts 15b more concavely caving in than other multiple connecting portion e, therefore, can not obstruction be formed when installing top board 11 and being configured at the described front panel 15A ~ 15C of more top.

Further, on front panel 15A ~ 15C, be integrally formed with horn mouth 15a respectively.Under the state that front panel 15A ~ 15C is assembled as housing 4, these horn mouths 15a is opposite with before pressure fan fan 7A ~ 7C.To cover the mode of these horn mouths 15a, provided with fan cover 20A ~ 20C removably, this fan guard 20A ~ 20C upper edge and left and right sides edge are formed as linearity, lower ora terminalis is formed as toroidal.

In fig. 2, the parts that fin protecting wire net 18A combines many one metal wires shape respectively on direction are in length and breadth formed.Under the state being assembled into housing 4, a fin protecting wire net 18A and same two fin protecting wire net is arranged on the position opposite with the heat exchanger 2A ~ 2C of Fig. 4.One sidepiece of these fin protecting wire nets is arranged on front panel 15A ~ 15C, and the other side of fin protecting wire net 18 to be arranged on behind side on plate 17A ~ 17C.Be situated between a described sidepiece and described the other side of these fin protecting wire nets and have pillar 19.

As shown in FIG. 2 and 3, different from other case side face 12B, 12C, the case side face 12A of first paragraph is provided with handle 32, ejection part 33, passage 34, temperature sensor keeper 35, the installation portion 36 (shown in Fig. 2) of carrying.Arranging ejection part 33 is to make connection outdoor unit M be communicated with the refrigerant pipe P of the indoor set being accommodated with indoor unit N.Passage 34 is for importing the Machine Room 31 of Fig. 4 by extraneous air.Temperature sensor keeper 35 is for keeping outdoor temperature sensor TO.Arranging installation portion 36 is in order to mounting temperature sensor keeper 35.Case side face 12B, 12C of second segment and the 3rd section does not arrange these handles 32 and ejection part 33.

In the diagram, as mentioned above, the inside of outdoor unit M is divided into described heat-exchanging chamber 30 and described Machine Room 31 by dividing plate 13A ~ 13C.In the space of described three assembly S forming heat-exchanging chamber 30, accommodate heat exchanger 2A ~ 2C and multiple pressure fan sub-assembly 3A ~ 3C respectively.Pressure fan sub-assembly 3A ~ 3C possesses the pressure fan 8A ~ 8C and pressure fan bracing frame 9A ~ 9C with fan electromotor 6A ~ 6C and pressure fan fan 7A ~ 7C respectively.Heat exchanger 2A ~ 2C is arranged along above-below direction.Pressure fan 8A ~ 8C is arranged along above-below direction.In the space of described three assembly S forming Machine Room 31, receive compression machine 21, reservoir 29, electricity piece unit H etc. respectively.

As shown in Figure 3, base plate 10 is rectangular shape when overlooking, and is provided with kink 10a along the periphery of base plate 10.At the lower surface of base plate 10, the width being parallel to housing 4 is provided with two feet 10b.The installation portion 10c of these feets 10b extends out from the lower surface of base plate 10.Can by be set in advance in assembling place, the fixture such as such as foundation bolt inserts in these installation portions 10c, and by nut etc., outdoor unit M is fixed on assembling place.In this case, because the described lower ora terminalis of fan guard 20A ~ 20C is formed as toroidal, thus when assembling, fan guard 20A ~ 20C not easily forms obstruction, is easy to clamp nut etc.

Further, base plate 10 is provided with teat c1, teat c2 and teat c3 integratedly.Arranging teat c1 is to position the outdoor heat converter 2 be made up of heat exchanger 2A ~ 2C.Arranging teat c2 is to position the pressure fan bracing frame 9A ~ 9C of Fig. 4.Arranging teat c3 is to position dividing plate 13A ~ 13C.The projecting height of these teats c1 ~ c3 is all identical.

Top board 11 when overlooking in identical with base plate 10 rectangular-shaped.The planar portions of top board 11 is provided with the teat for maintaining rigidness.Periphery along the planar portions of top board 11 is provided with kink 11a, and is provided with for inserting and fixing the coupling recess f of fixture on case side face 12A ~ 12C.

As shown in Figure 2, along being provided with front side kink 13a above on dividing plate 13A, being provided with rear side kink 13b along the back side, being provided with lower end connecting portion 13c along bottom, being provided with upper end connecting portion 13e along upper end.

Outdoor heat converter 2A ~ the 2C of such formation, each installation portion 9a of pressure fan bracing frame 9A ~ 9C are all set to identical height dimension to the part of described support portion 9c, dividing plate 13A ~ 13C.Therefore, the heat exchanger 2A of first paragraph, pressure fan bracing frame 9A and dividing plate 13A are positioned in the teat c1 ~ c3 of base plate 10 upper time, the height and position of their upper ends is mutually the same.Further, the height dimension being separately positioned on the connecting portion e of the upper end forming plate 17A ~ 17C behind case side face front panel 15A ~ 15C, the front panel 16A ~ 16C of 12A ~ 12C, side is consistent with the height dimension of the teat c1 ~ c3 be arranged on base plate 10.By such setting, make the bottom of above-mentioned connecting portion e all consistent with the height and position of the upper end of the heat exchanger 2A be positioned on base plate 10, the described support portion 9c be arranged on pressure fan bracing frame 9A, dividing plate 13A.Further, the kink 10a of base plate 10 embed and assembles the case side face 12A of first paragraph, making the lower ora terminalis of the facial 12A of the bottom of base plate 10 and case side all consistent in this condition.

Similarly, be placed in the heat exchanger 2B of the second segment on the heat exchanger 2A of first paragraph, the described support portion 9c be arranged on pressure fan bracing frame 9B, double as the dividing plate 13B of electricity piece unit H the height and position of upper end all consistent, be placed in the heat exchanger 2C of the 3rd section on second segment, the height and position of the upper end of the described support portion 9c be arranged on pressure fan bracing frame 9C, dividing plate 13C be all consistent.

Thereby, it is possible to upper and lower overlapping combinations body S is to form an outdoor unit M.

Next, electricity piece unit H is described.Fig. 7 is the stereogram of electricity piece unit H.Fig. 8 is the stereogram of the state after a part of taking out electricity piece H is shown.Figure 10 is the figure of the status of electrically connecting of the electric component of the described conditioner illustrated as freezing cycle device.

As shown in Figure 4, a part of electricity piece unit H doubles as the dividing plate 13B of second segment, and is housed in the space of the second segment of Machine Room 31.In the mode outstanding towards heat-exchanging chamber 30, radiator 47A ~ 47C is set.

As shown in Fig. 4, Fig. 7 and Fig. 8, the bedplate 53 that electricity piece unit H is installed by the resettlement section 51 of bulkhead sides, the resettlement section 52 of face side and terminal board is formed.Resettlement section 51 is for accommodating inverter substrate 41A, the inverter substrate 42 of compressor and inverter substrate 41B.Resettlement section 52 is for accommodating noise filter substrate 43 and main control substrate 44.Bedplate 53 is for mounting terminal platform 45a, 45b.The front side of noise filter substrate 43 is provided with main control substrate 44.In Fig. 4 and Fig. 7, noise filter substrate 43 is invisible by covering.In fig. 8, owing to having taken off the fixed head 55a of main control substrate 44, thus noise filter substrate 43 can have been observed.

Resettlement section 51 is casings of Machine Room 31 1 side opening, is formed by bending metallic plate.As shown in Figure 4, resettlement section 51 is configured between the dividing plate 13C of dividing plate 13A and the 3rd section of first paragraph, and doubles as the dividing plate 13B of second segment.As shown in Figure 8, in the resettlement section 51 of bulkhead sides, be configured with inverter substrate 41A, inverter substrate 42, inverter substrate 41B from bottom to top.Inverter substrate 41A is configured in the mode be separated in the vertical direction with inverter substrate 41B.Inverter substrate 41A, 41B and 42 is configured in the mode of the front of inverter substrate 41A, 41B and 42 along above-below direction.

In the front face side of resettlement section 51, to keep the mode at interval to be provided with two claw 51a up and down, described two claw 51a are for being fixed on electricity piece unit H by the main substrate base 55 of Fig. 4 and Fig. 7.Near these claws 51a, be respectively equipped with two holes portion 51b of the interim mounting of slit-shaped.Two claw 55b3 of the interim mounting be arranged on the main substrate base 55 shown in Fig. 7 can be inserted in two holes portion 51b of described interim mounting respectively.By inserting described claw 55b3, under the state of when carrying out upkeep operation etc., temporarily taking out main substrate base 55 from electricity piece unit H, main substrate base 55 can be placed temporarily.Further, at the leading flank of resettlement section 51, upper and lower isolated mode is provided with two power line introduction part 51c (shown in Fig. 7, Fig. 8), as shown in Figure 4, described two power line introduction part 51c are used for the power line 6A1 ~ 6C1 connecting fan electromotor 6A ~ 6C and each inverter substrate 41A, 41B to import in Machine Room 31.

As shown in Fig. 4 and Fig. 7, to give prominence to from resettlement section 51 towards heat exchanger 30 side respectively and the mode be arranged above and below is provided with radiator 47A, radiator 47B, radiator 47C.As shown in Figure 8, radiator 47A is arranged on inverter substrate 41A, and radiator 47B is arranged on inverter substrate 42, and radiator 47C is arranged on inverter substrate 41B.These radiators 47A ~ 47C is configured with the states parallel being provided with close gap each other by the multiple fin materials be made up of the good aluminium of thermal diffusivity or aluminum alloy materials respectively.

As shown in Figure 7, the shape of radiator 47A and radiator 47C is identical, and they are compared with radiator 47B, and the size of short transverse is less, and gives prominence to more towards heat exchanger 30 side.In order to avoid colliding with the pressure fan fan 7B of second segment, the size that the top of radiator 47A is configured to give prominence to towards heat-exchanging chamber 30 side is less.On the other hand, radiator 47B is configured between radiator 47A and radiator 47C, and is configured to: compared to radiator 47A, 47B, and the length dimension of short transverse is comparatively large, and the size outstanding towards heat-exchanging chamber 30 side is less.This radiator 47B is also formed as to collide with the pressure fan fan 7B of second segment.

As shown in Figure 8, in resettlement section 52, be thereunder configured with noise filter substrate 43, above substrate 43, be configured with relay 46.As shown in Figure 7, be configured with main substrate base 55 in the mode of the noise filter substrate 43 and relay 46 that cover resettlement section 52, this main substrate base 55 is provided with main control substrate 44.

As shown in Figure 8, resettlement section 52 has fixed head 52a, fixed head 52b and the fixed head 52c of noise filter substrate.Fixed head 52a is provided with noise filter substrate 43 and relay 46.Fixed head 52b bends towards the rear from the left end of fixed head 52a and is formed.Fixed head 52c bends forward from the right-hand end of fixed head 52a and is formed.Fixed head 52b is fixed on resettlement section 51 in the mode of the part covering resettlement section 51.In the end in the front of fixed head 52c, possesses the stator 52c1 formed towards right bending further.On this stator 52c1, be provided with multiple fixing hole 52c2 of the main substrate base 55 for fixing Fig. 7.

Further, resettlement section 52 is provided with the top panel 52d bending respectively from upper end and the lower end of fixed head 52a and formed and lower panel 52e forward.On this lower panel 52e, be provided with integratedly from the anterior end of lower panel 52e further towards the described terminal board bedplate 53 that diagonally forward extends.This terminal board bedplate 53 is provided with the described terminal board 45a of power supply and the described terminal board 45b of communication.

As shown in Figure 7, main substrate base 55 has fixed head 55a, bent sheet 55b and the bent sheet 55c of main control substrate.Bent sheet 55b bends from the left end of fixed head 55a towards front and is formed.Bent sheet 55c bends from the right-hand end of main control substrate fixed head 55a towards rear and is formed.Further, bent sheet 55b is provided with the sheet portion 55b1 of the interim mounting formed towards left side bending further from its anterior end.This sheet portion 55b1 is provided with the described claw 55b3 of mounting part 55b2 and interim mounting integratedly.Mounting part 55b2 is for mounting the claw 51a be arranged on resettlement section 51.Arranging claw 55b3 is to be articulated in the described hole portion 51b that is arranged on resettlement section 51.Bent sheet 55c is provided with the stator 55c1 formed towards right side bending further from the rear end of bent sheet 55c.This stator 55c1 is provided with fixing hole 55c2, and this fixing hole 55c2 is used for fixture to insert and the connecting portion d of plate 17B after being fixed to the side forming housing 4.

Next, utilize Figure 10, the electrical connection of electric component of the conditioner relating to present embodiment is described.

In Fig. 10, the source power supply of three-phase four-wire system 60 (exchanging 380V) is connected on described noise filter substrate 43 via the terminal board 45a of described power supply, and is connected on inverter substrate 42 via described relay 46 further.The alternating voltage of 220V is supplied from noise filter substrate 43 to inverter substrate 41B and main control substrate 44.The alternating voltage of 220V is supplied from inverter substrate 42 to inverter substrate 41A.Inverter substrate 41B is connected respectively by two holding wire W with inverter substrate 42 and main control substrate 44, and inverter substrate 41A is connected by holding wire W with inverter substrate 42.

Inverter substrate 41B is the control substrate for drive fan motor 6B, 6C, is provided with the electric components such as converter, smmothing capacitor, inverter.The single-phase AC voltage of the 220V between one phase of the described voltage of the three-phase supplied from noise filter substrate 43 and the neutral conductor is rectified into DC voltage by described converter.Described smmothing capacitor is used for making this DC voltage smoothing.Described inverter controls the voltage on the fan electromotor 6C of the fan electromotor 6B of pressure fan 8B and the pressure fan 8C of described 3rd section that are applied to described second segment and frequency.Inverter substrate 41B is connected with the reactor 61 for improving power factor.Along with running, inverter substrate 41B can release a large amount of heat from the switch element of the rectifier cell of described converter and described inverter.

Inverter substrate 42 is the control substrates of the motor 21a for driving compressor 21, is provided with the electric components such as converter, smmothing capacitor, inverter.Described converter is used for the three-phase alternating voltage of source power supply 60 to be rectified into DC voltage.Described smmothing capacitor is used for making this DC voltage smoothing.Inverter controls the voltage be applied on motor 21a and frequency.Inverter substrate 42 is connected with the reactor 62 for improving power factor.Along with running, inverter substrate 42 can release a large amount of heat from the rectifier cell of described converter and the switch element of described inverter.

As shown in Figure 4, reactor 61,62 is arranged on the dividing plate 13C of the 3rd section, and is configured in the space of the 3rd section in Machine Room 31.

Inverter substrate 41A is the control substrate for drive fan motor 6A, is provided with the electric components such as converter, smmothing capacitor, inverter.The single-phase AC voltage of the 220V between one phase of the three-phase voltage supplied from inverter substrate 42 and the neutral conductor is rectified into DC voltage by described converter.Described smmothing capacitor is used for making this DC voltage smoothing.Described inverter to be applied to described first paragraph pressure fan 8A fan electromotor 6A on voltage and frequency control.Along with running, inverter substrate 41A can release a large amount of heat from the switch element of the rectifier cell of described converter and described inverter.

Described noise filter substrate 43 is substrates of multiple electronic unit of the noise be provided with for removing source power supply 60, and compared to inverter substrate 41A, 41B and inverter substrate 42, its heat sent along with running is less.

Described main control substrate 44 receives from the signal of the described indoor unit N shown in Fig. 9 and the signal from various sensors such as described temperature sensor TS, TE, TO, TD, the TL shown in Fig. 9 and pressure sensor HPC, LPS, and send control signal to inverter substrate 41A, 41B, inverter substrate 42 and described cross valve 24 and described outdoor expansion valve 26 etc., thus described outdoor unit M is controlled.

In conditioner as constructed as above, when unit N indoor inputs to the electricity piece unit H of outdoor unit M the instruction starting freeze cycle running, necessary control signal is sent to the electrical components such as described compressor 21 and described pressure fan 8A ~ 8C from electricity piece unit H by described many holding wire W.Described compressor 21 drives, thus carries out freeze cycle running.Three pressure fan 8A ~ 8C of Fig. 4 are driven, and outdoor air is drawn into inside by the back side of unit M and left surface outdoor, and makes it circulate in heat exchanger 2A ~ 2C.In heat exchanger 2A ~ 2C, the cold-producing medium be imported into via cross valve 24 etc. from compressor 21 and outdoor air carry out heat exchange.Have passed through the multiple horn mouth 15as of the outdoor air after heat exchange outdoor before unit M via after multiple fan guard 20A ~ 20C, be blown out to outside before unit M outdoor.

In the electricity piece unit H of Figure 10, be arranged on the caloric value that the electric component such as multiple rectifier cell and multiple switch elements on inverter substrate 42 and inverter substrate 41A, 41B produces along with running very big.In the inverter substrate 42 shown in Fig. 7 and 8, its heat sent is concentrated at radiator 47B and is dispelled the heat.In inverter substrate 41A, its heat sent is concentrated at radiator 47A and is dispelled the heat.In inverter substrate 41B, its heat sent is concentrated at radiator 47C and is dispelled the heat.

On the other hand, outdoor air is directed in the heat-exchanging chamber 30 of outdoor unit M by three pressure fan 8A ~ 8C, and circulates in outdoor heat converter 2.A part of outdoor air in outdoor interchanger 2 after circulation cools radiator 47A ~ 47C.Air after being heated by each radiator 47A ~ 47C, is discharged to the outside rapidly together with the air that the heat exchanger 2A ~ 2C of Fig. 4 has carried out after heat exchange.By the flowing of such outdoor air, can not be enclosed in heat-exchanging chamber 30 from each radiator 47A ~ 47C liberated heat, thus disadvantageous heat affecting can not be produced to described multiple electric component.

In the diagram, each radiator 47A ~ 47C is to be arranged on the resettlement section 51 of the dividing plate 13B doubling as second segment from resettlement section 51 towards the mode that heat-exchanging chamber 30 side is given prominence to.Therefore, the outdoor air do not imported by means of only the pressure fan 8B by second segment cools, and the outdoor air also by being imported by pressure fan 8A, the 8C of first paragraph and the 3rd section cools, and therefore, cooling effectiveness is good.

Further, by be used for driving the fan electromotor 6A of the pressure fan 8A of first paragraph, the inverter substrate 41A of Fig. 8 configures the position of the pressure fan 8A of close first paragraph shown in Figure 4, by be used for driving second segment and the pressure fan 8B of the 3rd section, fan electromotor 6B, 6C of 8C, the inverter substrate 41B of Fig. 8 configures the position of the pressure fan 8C of close 3rd section shown in Figure 4.By such configuration, can shorten for connect each fan electromotor 6A ~ 6C and each blower-use inverter substrate 41A, 41B, the length of the power line 6A1 ~ 6C1 shown in Fig. 4, thus operability when improving assembling and be connected these power lines.

As shown in Figure 4, because the space of the 3rd section of Machine Room 31 is formed as idle space, therefore, the heat produced from electricity piece unit H can not be enclosed near electricity piece unit H, but rises on the space of described 3rd section.Risen by this heat, the main control substrate 44 directly do not cooled by radiator 47A ~ 47C and noise filter substrate 43 are not vulnerable to heat affecting, the reliability of the described multiple electronic unit be arranged on these substrates 43,44 can be kept, and prevent malfunction.

By for driving described multiple inverter of the blower-use of three pressure fan 8A ~ 8C to be configured in respectively on inverter substrate 41A and inverter substrate 41B.Therefore, even if some in described multiple inverter there occurs fault, the some runnings in pressure fan 8A ~ 8C also can be made, thus can continue to make outdoor unit M operate in the mode reducing air handling capacity.

The assembling sequence of the outdoor unit M of Fig. 4 is described.Base plate 10 configures compressor 21 and reservoir 29, and is fixed by fixture.On reservoir 29, be provided with refrigerant tank 25 integratedly by not shown fixture.Therefore, the configuration simultaneously completed refrigerant tank 25 by configuration reservoir 29, thus good operability.

The heat exchanger 2A of the first paragraph shown in allocation plan 4 on the teat c1 of the base plate 10 of Fig. 3, the pressure fan bracing frame 9A of the first paragraph shown in allocation plan 4 on the teat c2 of base plate 10, and install by fixture respectively.The described support portion 9c be arranged on pressure fan bracing frame 9A is articulated in the upper end of the heat exchanger 2A of Fig. 4.

In the diagram, the pressure fan bracing frame 9A of first paragraph stacks the pressure fan bracing frame 9B of second segment.Be specially, the installation portion 9d of pressure fan bracing frame 9A upper end being formed at first paragraph load the base plate installation portion 9a of the pressure fan bracing frame 9B of second segment, and is fixed by fixing means such as screws.This installation portion 9d has the outstanding shape same with the teat c2 of the base plate 10 shown in Fig. 3, can position the pressure fan bracing frame 9B of second segment exactly.

Further, on the heat exchanger 2A being placed on the first paragraph on base plate 10, stack the heat exchanger 2B of second segment.As shown in Figure 3 and 4, between the bottom of the heat exchanger 2B of second segment and the upper end of the heat exchanger 2A of first paragraph, accompany the support portion 9c of the pressure fan bracing frame 9A of first paragraph.The support portion 9c of the pressure fan bracing frame 9B of second segment is articulated to the upper end of the heat exchanger 2B of second segment.

The pressure fan bracing frame 9B of second segment stacks the pressure fan bracing frame 9C of the 3rd section.Be specially, the installation portion 9d on pressure fan bracing frame 9B top being formed at second segment load the base plate installation portion 9a of the pressure fan bracing frame 9C of the 3rd section and positions, and being fixed by fixing means such as screws.

Further, the heat exchanger 2B of second segment stacks as uppermost, the heat exchanger 2C of the 3rd section.As shown in Figure 3 and 4, between the bottom of the heat exchanger 2C of the 3rd section and the upper end of the heat exchanger 2B of second segment, accompany the support portion 9c of the pressure fan bracing frame 9B of second segment.The support portion 9c of the pressure fan bracing frame 9C of the 3rd section is articulated to the upper end of the 3rd section of heat exchanger 2C.

Like this, as shown in Figure 4, by mounting heat exchanger 2A ~ 2C, make for form the distribution that lays respectively at heat exchanger 2A ~ 2C sidepiece side and concetrated pipe 5, three pipe 5a shown in Fig. 2 and Fig. 4 contact with each other, thus, these pipes 5a is formed as one by soldering processing etc. and makes it be communicated with.

Further, the teat c3 of the base plate 10 of Fig. 3 installs the dividing plate 13A of first paragraph.At the top mounting electrical part unit H of this dividing plate 13A.

Difference installation diagram 2 and the fan electromotor 6A ~ 6C shown in Fig. 4 on three pressure fan bracing frame 9A ~ 9C, and pressure fan fan 7A ~ 7C is installed respectively on fan electromotor 6A ~ 6C.

In this condition, the described power line 6A1 ~ 6C1 of many holding wires of described various sensor class and compressor 21 and pressure fan 8A ~ 8C is connected to electricity piece unit H.

One end of power line 6A1 ~ 6C1 is connected respectively to fan electromotor 6A ~ 6C.As shown in Figure 4, be connected to the power line 6A1 on the fan electromotor 6A of first paragraph to connect up upward along the pressure fan bracing frame 9A of first paragraph, and by shown in Fig. 7 and Fig. 8, the power line introduction part 51c of downside that is arranged on electricity piece unit H imports in the Machine Room 31 shown in Fig. 4.As shown in Figure 4, be connected to the power line 6B1 on the fan electromotor 6B of second segment to connect up upward along the pressure fan bracing frame 9B of second segment, and by shown in Fig. 7 and Fig. 8, the power line introduction part 51c of upside that is arranged on electricity piece unit H imports in the Machine Room 31 shown in Fig. 4.As shown in Figure 4, be connected to the power line 6C1 on the fan electromotor 6C of the 3rd section and connect up downward along the pressure fan bracing frame 9C of the 3rd section, and together import in Machine Room 31 via the power line introduction part 51c of described upside with the power line 6B1 of second segment.The other end being directed to the power line 6A1 in Machine Room 31 is connected on inverter substrate 41A, and the other end of power line 6B1 and 6C1 is connected on inverter substrate 41B.

Afterwards, as shown in Figure 3, base plate 10 is installed the front panel 15A of first paragraph, then the front panel 15B of second segment is installed on front panel 15A, the front panel 15C of the 3rd section is then installed on front panel 15B.Provided with fan cover 20A ~ 20C on these front panels 15A ~ 15C respectively.

Further, as shown in Figure 3, base plate 10 is installed plate 17A behind the side of first paragraph, then plate 17B behind the side of plate 17A installing second segment behind side, then plate 17B installs plate 17C behind the side of the 3rd section behind side.Top board 11 is embedded as uppermost, the connecting portion e of plate 17C upper end separately behind the front panel 15C of the 3rd section and side.

In the left surface of housing 4 and the bight of back part, to indulge across the pillar 19 shown in the mode installation diagram 4 of base plate 10 to top board 11.By this pillar 19, after the fin protecting wire net 18A of a Fig. 2 and same two fin protecting wire net being arranged on respectively front panel 15A ~ 15C and side along above-below direction on plate 17A ~ 17C.

Afterwards, as shown in Figure 3, using as uppermost, the side header board 16C of the 3rd section is configured in behind the front panel 15C of the 3rd section and side between plate 17C, and the connecting portion e of header board 16C upper end, side embedded the kink 11a of top board 11, and install by fixture.At the side header board 16B of the below of the side header board 16C of the 3rd section configuration second segment, and the connecting portion e of the header board 16B upper end, side of second segment is embedded the header board 16C lower end, side of the 3rd section, and install by fixture.Further, the configuration of the below of the side header board 16B of second segment as lowermost, the side header board 16A of first paragraph, and the connecting portion e of the header board 16A upper end, side of first paragraph is embedded the header board 16B lower end, side of second segment, and install by fixture.Be installed on the kink 10a of base plate 10 by the bottom of fixture by the side header board 16A of first paragraph.By above step, complete the assembling of outdoor unit M.

Below, for plate 17A ~ 17C behind side, case side face 12A ~ 12C connecting structure in the vertical direction of the housing 4 of pie graph 3 is described.

Fig. 6 A is the figure that the state made behind the right side of formation housing 4 and the side at the back side after plate 17A ~ 17C integration is shown.Fig. 6 B is the figure that citing illustrates the connecting structure of plate 17A, 17B behind upper and lower side.

As shown in Figure 3, the bottom of plate 17B after the connecting portion e of Hou Ban17A upper end, side being formed at first paragraph embedding the side of second segment.Now, as shown in Figure 6B, the coupling recess f being arranged at the Hou Ban17B bottom, side of second segment is opposite with the hole portion fa of the connecting portion e of plate 17A behind the side being arranged at first paragraph.Thus, by fixture (not shown) is inserted coupling recess f and hole portion fa being fixed, thus after making the side of first paragraph plate 17A and second segment side after plate 17B be interconnected and fix.Similarly, the linking part e of Hou Ban17B upper end, side being formed at second segment embeds the bottom of plate 17C behind the side of the 3rd section.Now, in the same manner as Fig. 6 B, the coupling recess f being arranged at the Hou Ban17C bottom, side of the 3rd section is opposite with the hole portion fa of the connecting portion e of plate 17B behind the side being arranged at second segment, thus, after making side by fixture (not shown), plate 17C is connected with plate 17B behind side and fixes.Like this, behind three sides, plate 17A ~ 17C is connected.

Above, for plate 17A ~ 17C behind side, case side face 12A ~ 12C connecting structure in the vertical direction of the housing 4 shown in pie graph 3 is illustrated.Front panel 15A ~ 15C and side header board 16A ~ 16C is also connected by the structure same with plate 17A ~ 17C behind side.

As shown in Figure 4, in outdoor unit M, the freeze cycle parts such as the open and close valve V1 ~ V3 of refrigerant pipe P and Fig. 9 of Fig. 3 and compressor 21 be housed in be equivalent to Machine Room 31 first paragraph in the space of second segment.As previously mentioned, be equivalent to uppermost, the space of the 3rd section of Machine Room 31 is formed as idle space.Only be provided with a part of the concetrated pipe 5A of the heat exchanger 2C being connected to the 3rd section and the reactor 61,62 of Figure 10 within this space.Do not possess main freeze cycle parts and the electricity piece unit H such as compressor 21 and outdoor expansion valve 26 within this space.The substantial transverse topmost being configured in described second segment space side by side of open and close valve V1 ~ V3.Thus, easily grasp the position relationship of open and close valve V1 ~ V3, and easily visualization, thus improve manufacturing and maintainability.

As shown in Figure 5A and 5B, outdoor unit M is made to form integration in the mode of overlapping three pressure fan bracing frame 9A ~ 9C.Fig. 5 A illustrates that overlapping three pressure fan bracing frame 9A ~ 9C are to form the stereogram of the state after integration.Fig. 5 B is the side view of Fig. 5 A.In pressure fan bracing frame 9A ~ 9C, the installation portion 9d of hypomere and the installation portion 9a of epimere is firmly fixed, and, in each pressure fan bracing frame 9A ~ 9C, each installation portion 9b is fixed on each fixed part 15b of the connecting portion e of Fig. 3 of each front panel 15A ~ 15C upper end, and is formed as the structure that each support portion 9c sandwiches the upper end of each heat exchanger 2A ~ 2C.Therefore, the intensity of pressure fan bracing frame 9A ~ 9C entirety is improved.Such as, when fixing three pressure fan 8A ~ 8C by a pressure fan bracing frame in the vertical direction, the size of the short transverse of this pressure fan bracing frame becomes larger.Therefore, along with the running of pressure fan 8A ~ 8C, described pressure fan bracing frame is easily warped into arciform.Due to this warpage, the distance meeting off-design value between multiple horn mouth 15a and pressure fan fan 7A ~ 7C, and likely become the reason producing abnormal voice or noise.In the present embodiment, by being separately fixed on front panel 15A ~ 15C and heat exchanger 2A ~ 2C by pressure fan bracing frame 9A ~ 9C, pressure fan bracing frame 9A ~ 9C entirety is made not easily to be warped into arciform.

Based on above-mentioned case side face 12A ~ 12C connecting structure in the vertical direction, when installation and maintenance outdoor unit M, (from first paragraph to second segment) the side header board 16A ~ 16C shown in Fig. 3 can be taken off from below successively.State after side header board 16A, 16B of having taken off first paragraph and second segment has respectively been shown in Figure 11.The electricity piece unit H of the main freeze cycle parts such as the compressor 21 shown in Fig. 9, cross valve 24, outdoor expansion valve 26 and Fig. 4 is housed in and is equivalent in the first paragraph of Machine Room 31 and the space of second segment.Therefore, can take off side header board 16A, 16B from below successively during installation and when safeguarding, and not need the side header board 16C taking off uppermost, therefore, operability is improved.

As mentioned above, outdoor unit M is made up of three assembly S, and described three assembly S are made up of the outdoor heat converter 2A ~ 2C shown in Fig. 3 and Fig. 4, pressure fan sub-assembly 3A ~ 3C, case side face 12A ~ 12C and dividing plate 13A ~ 13C.Because these assemblys S is configured to carry out overlap in the vertical direction, therefore, can use by multiple component parts of undersized manufacturing equipment and undersized metals mold manufacturing to form the unit of large-scale (three sections), using as outdoor unit M.

Further, in outdoor unit M, the seam of described multiple component parts overlapping in the vertical direction all can be set in sustained height position.Therefore, can not gap be produced between superimposed described multiple component parts, there is no need for the profiled parts of adjust size, thus labour can be saved, reduce costs.

The basic configuration forming each parts of described three assembly S is all set as same shape in the vertical direction.Therefore, by producing the mould for the manufacture of the component parts of a section, the outdoor unit of three sections of sizes, i.e. outdoor unit M can just be made.

After the side header board 16A and side of the first paragraph of Fig. 3 on plate 17A, be provided with the handle 32 of carrying, multiple ejection part 33, passage 34 and the installation portion shown in Fig. 2 36.Described multiple ejection part 33 is for taking out the refrigerant pipe be connected with indoor set.Passage 34 is for importing Machine Room 31 by extraneous air.Arranging installation portion 36 is temperature sensor keepers 35 in order to installation diagram 2, and described temperature sensor keeper 35 is for keeping the outdoor temperature sensor TO of Fig. 9.These parts are not needed in the assembly S of second and third section.Therefore, in first paragraph and second and third section, behind side header board 16A ~ 16C and side, the shape of plate 17A ~ 17C has a little difference.But, using the metal die of second and third section as base metal mould, only can replace metal die partly to variform part during fabrication, outdoor unit M can be made with minimal Mold Making.

Further, in outdoor unit M, as mentioned above, the electricity piece unit H of the main freeze cycle parts of the compressor 21, cross valve 24, outdoor expansion valve 26 etc. of Fig. 9 and Fig. 4 is housed in and is equivalent to bottom, Machine Room 31 in Fig. 4 in the space of second segment, and the space being equivalent to the 3rd section is formed as idle space.By removing heat exchanger 2C, the pressure fan sub-assembly 3C comprising pressure fan 8C, the case side face 12C and dividing plate 13C of in Fig. 4 the 3rd section, two segment type outdoor units can be obtained.In this case, in the electricity piece unit H of Figure 10, remove the inverter substrate 41A of the fan electromotor 6A for driving first paragraph, and power line 6A1,6B1 (in the diagram) of fan electromotor 6A, 6B of first paragraph and second segment are connected on the inverter substrate 41B of fan electromotor 6B, 6C for driving second segment and the 3rd section.Or, also can remove inverter substrate 41B, an inverter substrate 41A is instead installed again, and connect the power line 6B of the fan electromotor 6B of second segment thereon.

Further, in order to jumbo refrigerant tank 25 and the reservoir 29 of allocation plan 4, more receiving space is needed in the space of the first paragraph and second segment that are equivalent to Machine Room 31, in this case, by being moved on to by electricity piece unit H in the 3rd section of space of the Machine Room 31 being formed as idle space, also easily receiving space can be guaranteed.

Figure 12 be illustrate based on form outdoor unit M three assembly S, the structure chart of extendible outdoor unit series.Outdoor unit is divided into three kinds substantially.As outdoor unit, there are " 1FAN (fan) housing ", " 2FAN housing " and " 3FAN housing "." 1FAN housing " possesses an outdoor heat converter, a pressure fan and a housing." 2FAN housing " possesses two outdoor heat converters, two pressure fan and two housings." 3FAN housing " possesses three outdoor heat converters, three pressure fan and three housings.

As 1FAN housing, there are " single hop type outdoor unit " and " being out of shape single hop type outdoor unit "." single hop type outdoor unit " uses an assembly." distortion single hop type outdoor unit " uses distortion assembly based on assembly, that extend towards short transverse.Citing illustrates the height of multiple unit of 1FAN housing and maximum air handling capacity.The maximum air handling capacity of " single hop type outdoor unit " is 2hp (2 horsepowers), and body height size H is 600mm.The maximum air handling capacity of " distortion single hop type outdoor unit " is 3hp or 4hp, and body height size H is 890mm.

As 2FAN housing, there are " two segment type outdoor units ", " mixing two segment type outdoor units " and " being out of shape two segment type outdoor units "." two segment type outdoor units " overlap uses two assemblys.Assembly and an assembly are out of shape in overlapping use one respectively " to mix two segment type outdoor units ".Assemblys are out of shape in overlapping use two " to be out of shape two segment type outdoor units ".Citing illustrates the height of multiple unit of 2FAN housing and maximum air handling capacity.The height dimension H of two segment type outdoor units is 600mm × 2, and maximum air handling capacity is 5hp or 6hp.The height dimension H of mixed type outdoor unit is 600mm+890mm, and maximum air handling capacity is 8hp.The height dimension H being out of shape two segment type outdoor units is 890mm × 2, and maximum air handling capacity is 10hp.

As 3FAN housing, there is the three-segment type outdoor unit of overlapping three assemblys.Citing illustrates the height of three-segment type outdoor unit and maximum air handling capacity.The height dimension H of three-segment type outdoor unit is 600mm × 3, and maximum air handling capacity is 10hp or 12hp.Overall height dimension is about 1800mm, is roughly the size to greatest extent can accommodated in freight handling elevator." four segment type outdoor units " and the outdoor unit of above size thereof can make in theory, but may cause difficulty to carrying and configuration, as being such as arranged on the outdoor unit of each layers such as apartment and unrealistic, therefore, in this description will be omitted.

Like this, based on assembly, altogether obtain the outdoor unit series of 6 types, thus expand the design freedom of outdoor unit.2FAN housing and 3FAN housing be overlapping respective component parts all in the vertical direction.Therefore, it is possible to use the outdoor unit being made corresponding with required maximum thermal exchange ability, large-scale air conditioner by undersized manufacturing equipment and the component parts of undersized metals mold manufacturing.

As mentioned above, even if when the component parts that the height dimension of overlapping above-below direction is different, also can be the mutually the same height of each component parts by the setting of joint of the above-below direction in each outdoor unit.Therefore, by alignment overlapped partitioning line, just without the need to using the parts of different size in a housing.

Outdoor heat converter 2A ~ 2C shown in Fig. 3 and Fig. 4, pressure fan sub-assembly 3A ~ 3C and case side face 12A ~ 12C, dividing plate 13A ~ 13C all can be set as mutually the same shape in the vertical direction.Therefore, by producing the mould for the manufacture of the assembly S of a section, the outdoor unit M of multistage overlap can just be produced.

Each outdoor heat converter 2A ~ 2C, each pressure fan sub-assembly 3A ~ 3C, each case side face 12A ~ 12C possess can with other overlapping in the vertical direction outdoor heat converters, pressure fan sub-assembly and case side facial carry out connecting multiple connecting portion and engagement projection, thus can carry out overlap securely.

Although be illustrated several embodiment of the present invention, these embodiments propose as an example, and do not mean that the protection domain limiting invention.The embodiment of these novelties can be implemented in other various modes, in the scope not departing from invention aim, can carry out various omission, replacement, change.These embodiments or its be out of shape in the protection domain or purport being included in invention, and, be included in invention described in claims and its equivalent protection domain.

Description of reference numerals

2: outdoor heat converter 3: pressure fan sub-assembly 6: fan electromotor

8: pressure fan 4: housing 12: case side face

13: dividing plate 21: compressor 30: heat-exchanging chamber

31: Machine Room 41A: inverter substrate 41B: inverter substrate

42: inverter substrate 44: main control substrate 47A: radiator

47B: radiator 47C: radiator H: electricity piece unit

Accompanying drawing explanation

Fig. 1 is the stereogram of the outward appearance of the outdoor unit that the freezing cycle device relating to embodiment is shown.

Fig. 2 decomposes the stereogram that an assembly of multiple main composition parts of described outdoor unit is shown.

Fig. 3 decomposes the stereogram that described outdoor unit is shown.

Fig. 4 is the stereogram of the inside of described outdoor unit.

Fig. 5 A is the stereogram of the state after representing the pressure fan bracing frame combination of three shown in Fig. 3.

Fig. 5 B is the side view of the state after described three pressure fan bracing frames combination is shown.

Fig. 6 A is the stereogram of the state represented behind the side of three shown in Fig. 3 after plate combination.

Fig. 6 B is the sectional view that after described described side is up and down shown, the link of plate constructs.

Fig. 7 is the stereogram of the structure of the electricity piece unit illustrated in described outdoor unit.

Fig. 8 is the stereogram that the state after taking out a part of described electricity piece unit is shown.

Fig. 9 is the figure of the structure of the freeze cycle illustrated involved by described embodiment.

Figure 10 is the figure of the status of electrically connecting that the multiple electric components forming described freezing cycle device are shown.

Figure 11 is the stereogram of the state after the side header board that first paragraph and the second segment taking off described outdoor unit is shown.

Figure 12 is the figure of the structure that various outdoor unit is shown.

Claims (13)

1. an outdoor unit for freezing cycle device, possesses:

Multiple pressure fan, is arranged along above-below direction;

Multiple inverter substrate, is arranged along above-below direction, for driving described multiple pressure fan; And

Electricity piece unit, for accommodating described multiple inverter substrate.

2. the outdoor unit of freezing cycle device according to claim 1, wherein,

Described multiple inverter substrate is respectively equipped with the radiator of cooling.

3. the outdoor unit of freezing cycle device according to claim 2, wherein,

The quantity of described multiple pressure fan is three, and described multiple inverter substrate comprises for driving the inverter substrate of a described pressure fan and for driving the inverter substrate of pressure fan described in two other.

4. the outdoor unit of freezing cycle device according to claim 3, wherein,

Described electricity piece cell location is at the central portion of the short transverse of described outdoor unit.

5. an outdoor unit for freezing cycle device,

Have be made up of multiple main composition parts respectively, along multiple assemblys of above-below direction overlap, described multiple assembly forms heat-exchanging chamber and Machine Room, described heat-exchanging chamber is made up of multiple first spaces be arranged on along above-below direction in described multiple assembly, described Machine Room is by the side being positioned at described multiple first space and form along multiple second spaces that described above-below direction is arranged on described multiple assembly

Wherein, the outdoor unit of described freezing cycle device possesses:

Multiple pressure fan, is separately positioned in described multiple first space, and is arranged along above-below direction;

Multiple first inverter substrate, is arranged in described Machine Room along above-below direction, for driving described multiple pressure fan; And

Electricity piece unit, is arranged in described Machine Room, for accommodating described multiple first inverter substrate.

6. the outdoor unit of freezing cycle device according to claim 5, wherein,

Be provided with multiple dividing plate, described multiple dividing plate is used for separating between described multiple first space and described multiple second space, and a dividing plate in described multiple dividing plate is made up of a part for described electricity piece unit.

7. the outdoor unit of freezing cycle device according to claim 6, wherein,

Possess multiple radiators of cooling further, described radiator is arranged on described multiple first inverter substrate respectively.

8. the outdoor unit of freezing cycle device according to claim 5, wherein,

The quantity of described multiple assembly is three, the quantity of described multiple pressure fan is three, the quantity of described multiple first inverter substrate is two, a first inverter substrate in described multiple first inverter substrate is for driving a pressure fan in described multiple pressure fan, and another the first inverter substrate in described multiple first inverter substrate is for driving multiple pressure fan described in remaining.

9. the outdoor unit of freezing cycle device according to claim 8, wherein,

Possess the second inverter substrate be housed in described electricity piece unit further, and be provided with compressor in described Machine Room, drive described compressor by described second inverter substrate.

10. the outdoor unit of freezing cycle device according to claim 9, wherein,

Described multiple first inverter substrate and described second inverter substrate are configured in the described heat-exchanging chamber side in described Machine Room.

The outdoor unit of 11. freezing cycle devices according to claim 5, wherein,

The central portion of the short transverse of described electricity piece cell location in the described Machine Room of described outdoor unit.

The outdoor unit of 12. freezing cycle devices according to claim 5, wherein,

Possess the second inverter substrate be housed in described electricity piece unit further, and be provided with compressor in described Machine Room, drive described compressor by described second inverter substrate.

The outdoor unit of 13. freezing cycle devices according to claim 5, wherein,

Described multiple first inverter substrate is configured along the mode of above-below direction to make the front of described multiple first inverter substrate.