CN107208947B - Coolant flow divider - Google Patents

Abstract

Coolant flow divider (70) is constructed so that refrigerant is flowed into from the lower section of multiple discharges space (76A~76L), and the refrigerant being flowed into current divider housing (71) is sent to by multiple shuntings road (74A~74L) and multiple access (74a) in multiple discharges space (76A~76L).Also, coolant flow divider (70) is provided with stick positioning element (74c), which is used to position pole member (74) relative to the circumferential locations of current divider housing (71).

Description

Coolant flow divider

Technical field

The present invention relates to coolant flow divider, more particularly to following coolant flow divider：It is being formed with multiple discharges Pole member is configured in the current divider housing in space, which is formed with the multiple shunting roads being circumferentially configured, stream Enter to the refrigerant in current divider housing and be sent in multiple discharge spaces by multiple shunting roads.

Background technology

In the past, coolant flow divider is provided in the heat exchanger to play a role in the evaporator as refrigerant, it should Coolant flow divider is used to shunting and being sent to downstream side the refrigerant of the gas-liquid two-phase state flowed in liquid refrigerant pipe Heat-transfer pipe.As such coolant flow divider, there is that shown in patent document 1 (Japanese Unexamined Patent Publication 4-316785 bulletins) The coolant flow divider of sample.Specifically, it is following coolant flow divider：It is being formed with multiple liquid-storing parts (discharge space) Inner tube (pole member) is configured in outer tube (current divider housing), which is formed with the multiple distribution being circumferentially configured and leads to Road (shunting road), the refrigerant being flowed into current divider housing are sent to by multiple shunting roads in multiple discharge spaces.

Invention content

In above-mentioned previous coolant flow divider, according to the connection side of liquid refrigerant pipe being connect with current divider housing To settings condition is waited, the amount for the liquid refrigerant being flowed into sometimes in multiple shunting roads can generate deviation.For example, by liquid system In the case that refrigerant tube is connected to the lower end side of current divider housing, flowed along by liquid refrigerant pipe into current divider housing The flow direction (being laterally here) of the refrigerant entered, liquid refrigerant generates deviation.On the other hand, due to multiple shunting curbs Circumferencial direction configuration, therefore, positioned at the shunting road of the upstream side of the flow direction of the refrigerant flowed into current divider housing With positioned at the shunting road in the downstream side of the flow direction of the refrigerant flowed into current divider housing, the amount of the liquid refrigerant of inflow Generate deviation.

Therefore, in a heat exchanger, the inclined of such amount of liquid refrigerant flowed into multiple shunting roads is considered sometimes Difference tendency and design configuration and heat transfer area of the multiple refrigerant paths being connect with the downstream side of coolant flow divider etc..But It is, if multiple shunting roads are not configured is assembled coolant flow divider in the circumferential locations according to design, in heat exchange It may not be obtained desirable heat exchange performance in device.For example, connected although designed to the big refrigerant path of heat transfer area The shunting road more than the amount of liquid refrigerant is connected to, if but being erroneously connected with the shunting road in the side of the small bypass of heat transfer area Formula assembles coolant flow divider, then a large amount of liquid refrigerant flows to the small refrigerant path of the heat transfer area, it is possible to freeze The heat exchange of agent is insufficient.

Problem of the present invention is that pole member is configured with being formed in the current divider housing in multiple discharge spaces, the stick Component is formed with the multiple shunting roads being circumferentially configured, and the refrigerant in shunting road shell is flowed into passes through multiple shuntings Road is sent in the coolant flow divider in multiple discharge spaces, can be by multiple points of flow arrangements in the circumference side according to design To position, desirable heat exchange performance can be obtained in a heat exchanger.

The coolant flow divider of first aspect is the coolant flow divider for refrigerant to be shunted to and is sent to downstream side, With current divider housing and pole member.Current divider housing is the hollow housing extended in vertical direction, is formed in inside Along multiple discharge spaces that vertical direction is configured, refrigerant is flowed into from the lower section in multiple discharge spaces.Pole member is disposed on The bar-like member extended along vertical direction in current divider housing is formed with the multiple shunting roads being along the circumferential direction configured and makes more Multiple access that a shunting road is connected with multiple discharge spaces, the refrigerant being flowed into current divider housing pass through multiple shuntings Road and multiple access are sent in multiple discharge spaces.Also, here, be provided with for pole member relative to current divider shell The stick positioning element that the circumferential locations of body are positioned.

Here, since pole member is positioned relative to the circumferential locations of current divider housing, therefore, it is possible to account for The design of the tendency of bias current when being flowed into from the refrigerant being flowed into current divider housing to multiple shunting roads of pole member.

As a result, here, can be by multiple points of flow arrangements in the circumferential locations according to design, it and can be in heat exchange Desirable heat exchange performance is obtained in device.

The refrigerant of second aspect shunts road in the refrigerant shunting road of first aspect, wherein, it is formed in pole member Stick side holding section is formed with the oriented side holding section engaged with stick side holding section in stick positioning element.

The refrigerant of the third aspect shunts road in the refrigerant shunting road of second aspect, wherein, in stick positioning element shape Into the stick through hole having for pole member perforation, oriented side holding section be convex form from the periphery of stick through hole towards inner circumferential side or From the periphery of stick through hole towards the concave shape of peripheral side, stick side holding section be formed at concave shape on the side of pole member or Convex form.

Here, oriented side holding section can simultaneously be made with the operation for the stick through hole for making pole member perforation stick positioning element Engage with stick side holding section.

The refrigerant of fourth aspect shunts road in the refrigerant shunting road of the third aspect, wherein, the refrigerant shunting Device is also equipped with stick cover, the upper end of stick cover covering pole member, under the upper surface of stick positioning element and stick cover Surface abuts, and is formed in the lower surface of stick positioning element and fills preventing portion by the mistake that convex form downward is formed.

Determine here, suppose that pole member is made to run through stick in a state that the upper and lower surface of stick positioning element is mistaken Position component stick through hole in can utilize stick cover covering pole member upper end situation.In this case, due to fixed Position side holding section be configured in the circumferential locations different from defined circumferential locations, therefore, stick side holding section also by Configuration in the circumferential locations different from defined circumferential locations, as a result, multiple shunting roads of pole member without Method is configured in the circumferential locations according to design.

In contrast, here, as described above, be pre-formed accidentally dress preventing portion in the lower surface of stick positioning element, by stick When in the stick through hole that the upper surface of positioning element makes pole member run through stick positioning element in the state of being mistaken with lower surface, accidentally Dress preventing portion is directed towards the convex form of top, interferes and can not make the upper end of stick cover covering pole member with stick cover.

As a result, here, installation, i.e. stick in a state that the upper surface of stick positioning element and lower surface are mistaken can be prevented The mistake dress of positioning element.

The refrigerant of 5th aspect shunts road in the refrigerant shunting road of second aspect, wherein, the covering of stick positioning element The upper end of pole member, oriented side holding section are from the lower surface of stick positioning element convex form downward or from stick positioning element Lower surface concave shape upward, stick side holding section is formed at the concave shape or convex form of the upper end of pole member.

Here, stick positioning element can not only determine pole member relative to the circumferential locations of current divider housing Position, additionally it is possible to play the effect of the stick cover of the upper end of covering pole member.

Description of the drawings

Fig. 1 is the schematic configuration diagram of the air-conditioning device for the coolant flow divider for employing an embodiment of the invention.

Fig. 2 is the stereogram for the appearance for showing outdoor unit.

Fig. 3 is the plan view for the state for unloading top plate for showing outdoor unit.

Fig. 4 is the approximate three-dimensional map of outdoor heat exchanger.

Fig. 5 is the partial enlarged view of the heat exchange department of Fig. 4.

Fig. 6 is the figure corresponding with Fig. 5 in the case of employing wave-shaped fins as thermofin.

Fig. 7 is the schematic configuration diagram of outdoor heat exchanger.

Fig. 8 is the inlet manifold of Fig. 4 and the enlarged drawing of coolant flow divider.

Fig. 9 is the inlet manifold of Fig. 7 and the enlarged cross-sectional view of coolant flow divider.

Figure 10 is the inlet manifold of Fig. 9 and the enlarged cross-sectional view of the lower part of coolant flow divider.

Figure 11 is the stereogram of pole member.

Figure 12 is the plan view of the lower end of pole member.

Figure 13 is the exploded view of coolant flow divider.

Figure 14 is the stereogram for showing stick perforation baffle being inserted into the situation in current divider housing.

Figure 15 is to show for spray nozzle part and upper and lower end side distributing damper to be inserted into the vertical of the situation of the lower end of current divider housing Body figure.

Figure 16 is the situation for showing stick positioning baffle and upper and lower end side distributing damper being inserted into the upper end of current divider housing Stereogram.

Figure 17 is the plan view of the upper end inserted with the pole member in the state of stick positioning baffle.

Figure 18 is the situation for showing stick positioning baffle and upper and lower end side distributing damper being inserted into the upper end of current divider housing Stereogram (situation for mistaking the upper and lower surface of stick positioning baffle).

Figure 19 is the figure for the coolant flow divider for showing variation, and is figure corresponding with Figure 16.

Figure 20 is the figure for the coolant flow divider for showing variation, and is figure corresponding with Figure 17.

Figure 21 is the figure for the coolant flow divider for showing variation, and is figure corresponding with Figure 16.

Figure 22 is the figure for the refrigerant flow dividing structure for showing variation, and is figure corresponding with Figure 12.

Figure 23 is the figure for the refrigerant flow dividing structure for showing variation, and is figure corresponding with Figure 12.

Figure 24 is the figure for the refrigerant flow dividing structure for showing variation, and is figure corresponding with Figure 12.

Figure 25 is the figure for the refrigerant flow dividing structure for showing variation, and is figure corresponding with Figure 12.

Figure 26 is to show to employ the unloading top plate of the outdoor unit of the air-conditioning device of the refrigerant flow dividing structure of variation Under state plan view.

Specific embodiment

In the following, the embodiment and its variation of the coolant flow divider of the present invention are illustrated with reference to the accompanying drawings.In addition, The concrete structure of the coolant flow divider of the present invention is not limited to embodiment disclosed below and its variation, can not depart from invention master It is changed in the range of purport.

(1) overall structure of air-conditioning device

Fig. 1 is the schematic configuration diagram of the air-conditioning device 1 for the coolant flow divider for employing an embodiment of the invention.

Air-conditioning device 1 be can by carry out steam compression type freeze cycle carry out the indoor refrigeration of building etc. and The device of heating.Air-conditioning device 1 is mainly by connecting to form outdoor unit 2 and indoor unit 4.Here, it is outdoor single Member 2 and indoor unit 4 are connected by liquid refrigerant connecting tube 5 and gas refrigerant connecting tube 6.It is that is, outdoor single Member 2 and indoor unit 4 are connected by connecting refrigerant lines 5,6, so as to form the steam compression type system of air-conditioning device 1 Refrigerant circuit 10.

<Indoor unit>

Indoor unit 4 is arranged on interior, forms a part for refrigerant circuit 10.Indoor unit 4 mainly has interior Heat exchanger 41.

Indoor heat exchanger 41 is to play a role in refrigeration operation as the evaporator of refrigerant with to room air It is cooled down and is played a role in heating operation as the radiator of refrigerant and handed over the heat heated to room air Parallel operation.The hydraulic fluid side of indoor heat exchanger 41 is connect with liquid refrigerant connecting tube 5, the gas side and gas of indoor heat exchanger 41 Cryogen connecting tube 6 connects.

Indoor unit 4 has an indoor fan 42, the indoor fan be used for by room air be drawn into indoor unit 4 with It is provided after carrying out heat exchange with refrigerant in indoor heat exchanger 41 as supply air to interior.That is, indoor unit 4 has room Internal fan 42 is as heating source that the refrigerant flowed is provided as from heat exchanger 41 indoors to indoor heat exchanger 41 or cold But the fan of the room air in source.Here, the centrifugal fan or multiblade fan driven by indoor fan motor 42a has been used Deng as indoor fan 42.

<Outdoor unit>

Outdoor unit 2 is arranged on outdoor, forms a part for refrigerant circuit 10.Outdoor unit 2 mainly has compression Machine 21, four tunnel switching valves 22, outdoor heat exchanger 23, expansion valve 24, hydraulic fluid side closes valve 25 and gas side closes valve 26.

Compressor 21 is the equipment that the refrigerant compression of the low pressure of freeze cycle is become to high pressure.Compressor 21 is to pass through pressure Contracting machine motor 21a drives the closed structure of rotary or vortex isometric(al) formula compression element rotation (not shown).Pressure The suction side of contracting machine 21 is connected with suction line 31, sprays side and is connected with bleed pipe 32.Suction line 31 is by the sucking of compressor 21 The refrigerant pipe that tetra- tunnel switching valves 22 of Ce He connect.Bleed pipe 32 is by the tetra- tunnel switching valves 22 of ejection Ce He of compressor 21 The refrigerant pipe connected.

Four tunnel switching valves 22 are the switching valves switched over for the flow direction to the refrigerant in refrigerant circuit 10. In refrigeration operation, four tunnel switching valves 22 carry out the switching to refrigeration cycle state, under the refrigeration cycle state, make outdoor heat Exchanger 23 plays a role, and make indoor heat exchanger 41 as the radiator of the refrigerant compressed in compressor 21 It plays a role as the evaporator of the refrigerant to radiate in outdoor heat exchanger 23.That is, in refrigeration operation, the switching of four tunnels The gas side of the ejection side (being bleed pipe 32 here) of compressor 21 and outdoor heat exchanger 23 (is first gas here by valve 22 Refrigerant pipe 33) it connects (with reference to the solid line of tetra- tunnel switching valves 22 of Tu1).Also, the suction side of compressor 21 (is here Suction line 31) it is connected with 6 side of gas refrigerant connecting tube (being second gas refrigerant pipe 34 here) (with reference to Fig. 1 The solid line of four tunnel switching valves 22).In addition, in heating operation, four tunnel switching valves 22 carry out the switching to heating recurrent state, Under the heating recurrent state, outdoor heat exchanger 23 is made to be sent out as the evaporator of refrigerant that heat exchanger 41 indoors radiates The effect of waving, and indoor heat exchanger 41 is made to play a role as the radiator of the refrigerant compressed in compressor 21. That is, in heating operation, four tunnel switching valves 22 connect the ejection side (being bleed pipe 32 here) of compressor 21 and gas refrigerant 6 side of take over (being second gas refrigerant pipe 34 here) connects (with reference to the dotted line of tetra- tunnel switching valves 22 of Tu1).Also, The suction side (being suction line 31 here) of compressor 21 and the gas side of outdoor heat exchanger 23 (are first gas refrigerant here Pipe 33) it is connected (with reference to the dotted line of tetra- tunnel switching valves 22 of Tu1).Here, 33 Shi Jiang of first gas refrigerant pipe, tetra- tunnels The refrigerant pipe that the gas side of switching valve 22 and outdoor heat exchanger 23 connects.34 Shi Jiang of second gas refrigerant pipe, tetra- tunnels The refrigerant pipe that switching valve 22 is connected with gas side closing valve 26.

Outdoor heat exchanger 23 is as the radiator using outdoor air as the refrigerant of cooling source in refrigeration operation And play a role, in heating operation as the heat that outdoor air plays a role as the evaporator of the refrigerant of heating source Exchanger.The hydraulic fluid side of outdoor heat exchanger 23 is connect with liquid refrigerant pipe 35, gas side and first gas refrigerant pipe 33 Connection.Liquid refrigerant pipe 35 is to connect the hydraulic fluid side of outdoor heat exchanger 23 and 5 side of liquid refrigerant connecting tube Refrigerant pipe.

Expansion valve 24 is the refrigeration of the high pressure of freeze cycle that will be radiated in outdoor heat exchanger 23 in refrigeration operation Agent is depressurized to the valve of the low pressure of freeze cycle.In addition, expansion valve 24 will be dissipated in heat exchanger 41 indoors in heating operation The refrigerant of the high pressure of the freeze cycle of heat is depressurized to the valve of the low pressure of freeze cycle.Expansion valve 24 is arranged on liquid refrigerant The part of valve 25 is closed in the close hydraulic fluid side of pipe 35.Here, using electric expansion valve as expansion valve 24.

It is to be arranged on external equipment/piping (specifically that valve 25 and gas side closing valve 26 are closed in hydraulic fluid side Liquid refrigerant connecting tube 5 and gas refrigerant connecting tube 6) connector valve.Hydraulic fluid side closes valve 25 and is arranged on liquid The end of refrigerant pipe 35.Gas side closes the end that valve 26 is arranged on second gas refrigerant pipe 34.

Outdoor unit 2 has an outdoor fan 36, the outdoor fan be used to outdoor air being drawn into outdoor unit 2 and With being discharged to the outside after refrigerant heat exchange in outdoor heat exchanger 23.That is, there is outdoor unit 2 outdoor fan 36 to be used as to room Outer heat-exchanger 23 provides the outdoor air of the cooling source or heating source as the refrigerant flowed in outdoor heat exchanger 23 Fan.Here, using by outdoor fan by the use of motor 36a propeller fans driven etc. as outdoor fan 36.

<Connecting refrigerant lines>

Connecting refrigerant lines 5,6 are the systems constructed at the scene when air-conditioning device 1 is arranged on building when setting place Refrigerant tube, used according to setting place, the setting condition such as combination of outdoor unit 2 and indoor unit 4 with various length and The refrigerant pipe of caliber.

(2) elemental motion of air-conditioning device

In the following, the elemental motion of air-conditioning device 1 is illustrated using Fig. 1.Air-conditioning device 1 can carry out refrigeration operation and system Heat run is as elemental motion.

<Refrigeration operation>

In refrigeration operation, four tunnel switching valves 22 are switched to refrigeration cycle state (state shown in solid in Fig. 1).

In refrigerating circuit 10, the gas refrigerant of the low pressure of freeze cycle is inhaled into compressor 21 and is being compressed It is ejected after to the high pressure of freeze cycle.

The gas refrigerant for the high pressure being ejected from compressor 21 is sent to outdoor heat exchanger through four tunnel switching valves 22 23。

The gas refrigerant for being sent to the high pressure of outdoor heat exchanger 23 plays a role as refrigerant radiator It radiates in outdoor heat exchanger 23 with carrying out heat exchange as the outdoor air that cooling source provides by outdoor fan 36, becomes high The liquid refrigerant of pressure.

The liquid refrigerant of the high pressure to radiate in outdoor heat exchanger 23 is sent to expansion valve 24.

The liquid refrigerant for being sent to the high pressure of expansion valve 24 is depressurized to the low pressure of freeze cycle by expansion valve 24 and is become The refrigerant of the gas-liquid two-phase state of low pressure.The refrigerant of the gas-liquid two-phase state of low pressure after being depressurized by expansion valve 24 is through liquid Side closes valve 25 and liquid refrigerant connecting tube 5 and is sent to indoor heat exchanger 41.

Be sent to the refrigerant of the gas-liquid two-phase state of the low pressure of indoor heat exchanger 41 indoors in heat exchanger 41 with Heat exchange is carried out as the room air that heating source provides by indoor fan 42 and is evaporated.Room air is cooled as a result, so Afterwards, it is provided to indoor and carries out indoor refrigeration.

The gas refrigerant of low pressure evaporated in heat exchanger 41 indoors is closed through gas refrigerant connecting tube 6, gas side 26 and four tunnel switching valve 22 of valve closing and be again sucked into compressor 21.

<Heating operation>

In heating operation, four tunnel switching valves 22 are switched to heating recurrent state (state shown in dotted line in Fig. 1).

In refrigerant circuit 10, the gas refrigerant of the low pressure of freeze cycle is inhaled into compressor 21 and is compressed It is ejected after to the high pressure of freeze cycle.

The gas refrigerant for the high pressure being ejected from compressor 21 is gentle through four tunnel switching valves 22, gas side closing valve 26 Cryogen connecting tube 6 and be sent to indoor heat exchanger 41.

Be sent to the gas refrigerant of the high pressure of indoor heat exchanger 41 indoors in heat exchanger 41 with by indoor fan 42 radiate as the room air progress heat exchange that cooling source provides, and become the liquid refrigerant of high pressure.Room air as a result, It is heated, then, is provided to indoor and carries out indoor heating.

The liquid refrigerant of high pressure to radiate in heat exchanger 41 indoors is closed through liquid refrigerant connecting tube 5 and hydraulic fluid side Valve closing 25 and be sent to expansion valve 24.

The liquid refrigerant for being sent to the high pressure of expansion valve 24 is depressurized to the low pressure of freeze cycle by expansion valve 24 and is become The refrigerant of the gas-liquid two-phase state of low pressure.The refrigerant of the gas-liquid two-phase state of low pressure after being depressurized by expansion valve 24 is sent to Outdoor heat exchanger 23.

The refrigerant of the gas-liquid two-phase state of the low pressure of outdoor heat exchanger 23 is sent to as refrigerant evaporator and In the outdoor heat exchanger 23 to play a role with the outdoor air progress heat exchange that is provided by outdoor fan 36 as heating source and Evaporation becomes the gas refrigerant of low pressure.

The refrigerant for the low pressure evaporated in outdoor heat exchanger 23 is again sucked into compression through four tunnel switching valves 22 In machine 21.

(3) basic structure of outdoor unit

In the following, the basic structure of outdoor unit 2 is illustrated using Fig. 1 to Fig. 4.Here, Fig. 2 is to show outdoor unit The stereogram of 2 appearance.Fig. 3 is the plan view for the state for unloading top plate 57 for showing outdoor unit 2.Fig. 4 is that outdoor heat is handed over The approximate three-dimensional map of parallel operation 23.In addition, in the following description, in the case of not specified, " on ", " under ", " left side ", The words such as " right side ", " vertical " and " front ", " side ", " back side ", " top surface ", " bottom surface " refer to fan blowout grid 55b sides Face as the direction and face in the case of front.

The inside that outdoor unit 2 has cell enclosure 51 is separated into supply fan room S1 by the partition board 58 extended along vertical direction With the structure (so-called box-structure) of Machine Room S2.Outdoor unit 2 is configured to, by outdoor air from the back side of cell enclosure 51 It is drawn into behind inside with a part for side and discharges air before cell enclosure 51.Outdoor unit 2 mainly has：Unit Shell 51；Form the equipment of refrigerant circuit 10/with tubing, the refrigerant circuit include compressor 21, four tunnel switching valves 22, Outdoor heat exchanger 23, closes valve 25,26 and the refrigerant pipe 31~35 for connecting these equipment at expansion valve 24；And room External fan 36 and outdoor fan motor 36a.In addition, here, cell enclosure 51 is formed in supply fan room S1 leans on left side The example that place, Machine Room S2 are formed at the side of keeping right of cell enclosure 51 is illustrated, but can also control opposite.

Cell enclosure 51 is shaped generally as rectangular-shape, main to accommodate：The equipment of composition refrigerant circuit 10/match tubing, The refrigerant circuit includes compressor 21, four tunnel switching valves 22, outdoor heat exchanger 23, expansion valve 24, closes valve 25,26 and The refrigerant pipe 31~35 that these equipment are connected；With outdoor fan 36 and outdoor fan motor 36a.Cell enclosure 51 Have：Bottom plate 52, mounting form the equipment of refrigerant circuit 10/with tubing 21~26,31~35 and outdoor fan 36 etc.；It send Fan house side side plate 53；Machine Room side side plate 54；Supply fan room side foreboard 55；Machine Room side foreboard 56；Top plate 57；With two peaces Fill foot 59.

Bottom plate 52 is the plate-shaped member of the bottom surface portions of Component units shell 51.

Supply fan room side side plate 53 is that the lateral parts by supply fan room S1 of Component units shell 51 (are left side here Part) plate-shaped member.The lower part of supply fan room side side plate 53 is fixed in bottom plate 52.In supply fan room side, side plate 53 is formed with Side fan suction inlet 53a, side fan suction inlet 53a are used for outdoor air through outdoor fan 36 from cell enclosure 51 Side be drawn into cell enclosure 51.

Machine Room side side plate 54 is that the lateral parts by Machine Room S2 of Component units shell 51 (are right side face here Point) a part and cell enclosure 51 the back portion by Machine Room S2 plate portion.The lower part of Machine Room side side plate 54 It is fixed in bottom plate 52.The end of the back side of side plate 53 and the supply fan room S1 sides of Machine Room side side plate 54 in supply fan room side End between be formed with back side fan suction inlet 53b, back side fan suction inlet 53b be used for by outdoor fan 36 will be outdoor The back side of air from cell enclosure 51 is drawn into cell enclosure 51.

Supply fan room side foreboard 55 is the plate-shaped member of the previous section of the supply fan room S1 of Component units shell 51.Air-supply The lower part of machine room side foreboard 55 is fixed in bottom plate 52, and the end of the left side surface side of supply fan room side foreboard 55 is fixed in air-supply The end of the front side of machine room side side plate 53.In supply fan room side, foreboard 55 is provided with fan blow-off outlet 55a, the fan blow-off outlet For the outdoor air being drawn into cell enclosure 51 by outdoor fan 36 to be blown out to outside.The foreboard 55 in supply fan room side Front side is provided with the fan blowout grid 55b of covering fan blow-off outlet 55a.

Machine Room side foreboard 56 is a part and cell enclosure for the previous section of the Machine Room S2 of Component units shell 51 The plate-shaped member of a part for the lateral parts of 51 Machine Room S2.The end quilt of the supply fan room S1 sides of Machine Room side foreboard 56 The end of the Machine Room S2 sides of supply fan room side foreboard 55 is fixed on, the end of the back side of Machine Room side foreboard 56 is fixed in The end of the front side of Machine Room side side plate 54.

Top plate 57 is the plate-shaped member of the summit portion of Component units shell 51.Top plate 57 is fixed in supply fan room side plate 53 and Machine Room side side plate 54, supply fan room side foreboard 55.

Partition board 58 is disposed on the plate-shaped member extended along vertical direction on bottom plate 52.It here, will be single by partition board 58 The inside of first shell 51 or so segmentation, so as to form the supply fan room S1 by left side and the Machine Room S2 for side of keeping right.Partition board 58 lower part is fixed in bottom plate 52, and the end of the front side of partition board 58 is fixed in supply fan room side foreboard 55, back side End extend to the side end by Machine Room S2 of outdoor heat exchanger 23.

Installation foot 59 is the plate-shaped member along the front-rear direction extension of cell enclosure 51.Installation foot 59 is to be fixed in outdoor The component of the mounting surface of unit 2.Here, there are two installation feet 59 for the tool of outdoor unit 2, and a configuration is close to supply fan room S1's Position, another configuration is close to the position of Machine Room S2.

Outdoor fan 36 is the propeller fan for having multiple wings, in supply fan room S1 with cell enclosure 51 Front (being fan blow-off outlet 55a here) opposed mode is configured in the position of the front side of outdoor heat exchanger 23.Outdoor wind Fan in supply fan room S1, is configured between outdoor fan 36 and outdoor heat exchanger 23 in the longitudinal direction with motor 36a.Room External fan motor 36a is supported by the motor supporting station 36b being positioned on bottom plate 52.Also, outdoor fan 36 is pivotally supported In outdoor fan motor 36a.

The heat-exchanger panels that outdoor heat exchanger 23 is overlook observation for substantially L-shaped, in supply fan room S1 with The mode opposed with the side (being left side here) of cell enclosure 51 and the back side is positioned on bottom plate 52.

Here, compressor 21 is the closed-type compressor of longitudinal type cylindrical shape, and bottom plate is positioned in the S2 of Machine Room On 52.

(4) basic structure of outdoor heat exchanger

In the following, the structure of outdoor heat exchanger 23 is illustrated using Fig. 1 to Fig. 7.Here, Fig. 5 is the heat exchange of Fig. 4 The partial enlarged view in portion 60.Fig. 6 is the figure corresponding with Fig. 5 in the case of employing wave-shaped fins as thermofin 64.Fig. 7 It is the schematic configuration diagram of outdoor heat exchanger 23.In addition, it in the following description, in case of no particular description, represents The word in direction and face refer to by outdoor heat exchanger 23 be placed in the state of outdoor unit 2 on the basis of direction and face.

Outdoor heat exchanger 23 mainly has：Heat exchange department 60 carries out the heat exchange of outdoor air and refrigerant；Refrigeration Agent current divider 70 and inlet manifold 80, they are arranged at the one end of heat exchange department 60；And intermediate header 90, it is set Put the another side in heat exchange department 60.Outdoor heat exchanger 23 is coolant flow divider 70, inlet manifold 80, intermediate header 90 and heat exchange department 60 be the full aluminum heat exchanger formed by aluminum or aluminum alloy, pass through the solderings such as furnace brazing and carry out each portion Engagement.

Heat exchange department 60 has：Multiple (being 12 here) main heat exchange department 61A~61L, they form outdoor heat exchange The top of device 23；With multiple (being 12 here) secondary heat exchange department 62A~62L, they form the lower part of outdoor heat exchanger 23. In main heat exchange department 61A~61L, main heat exchange department 61A is configured in top layer, from its lower layer side along vertical direction downward Main heat exchange department 61B~61L is sequentially configured in ground, and in secondary heat exchange department 62A~62L, secondary heat exchange department is configured in lowest level Secondary heat exchange department 62B~62L is sequentially configured along vertical direction from its upper layer side upward by 62A.

Heat exchange department 60 is the insertion finned type heat exchanger being made of multiple heat-transfer pipes 63 and multiple thermofins 64, In, multiple heat-transfer pipes 63 are made of flat tube, and multiple thermofins 64 are made of insertion fin.Heat-transfer pipe 63 is by aluminum or aluminum alloy It is formed, is with the planar portions 63a as heat-transfer area, towards vertical direction and multiple small inside for refrigerant flowing The flat perforated pipe of flow path 63b.Multiple heat-transfer pipes 63 are spaced apart along vertical direction is separatedly configured multilayer, both ends and entrance collection Pipe 80 and intermediate header 90 connect.Thermofin 64 is formed by aluminum or aluminum alloy, be formed with flatly slenderly extend it is more A notch 64a, to be inserted on the multiple heat-transfer pipes 63 being configured between inlet manifold 80 and intermediate header 90.Heat transfer The shape and the shape in the section of heat-transfer pipe 63 of the notch 64a of fin 64 is roughly the same.Multiple heat-transfer pipes 63 are distinguished into above-mentioned Main heat exchange department 61A~61L and secondary heat exchange department 62A~62L.Here, multiple heat-transfer pipes 63 are from outdoor heat exchanger 23 Top layer forms heat transfer tube group, the heat-transfer pipe according to the heat-transfer pipe 63 of regulation quantity (about 3 to 8) downward along vertical direction Group forms main heat exchange department 61A~61L.In addition, from the lowest level of outdoor heat exchanger 23 along vertical direction upward according to rule The heat-transfer pipe 63 of fixed number amount (about 1 to 3) forms heat transfer tube group, which forms secondary heat exchange department 62A~62L.

In addition, outdoor heat exchanger 23 is not limited to be used as thermofin as described above (with reference to Fig. 5) using insertion fin Waveform of the 64 insertion finned type heat exchanger or the multiple wave-shaped fins of use (with reference to Fig. 6) as thermofin 64 Finned type heat exchanger.

(5) structure of intermediate header

In the following, the structure of intermediate header 90 is illustrated using Fig. 1 to Fig. 7.In addition, in the following description, do not having In the case of having special instruction, represent that the word in direction and face refers to be carried with the outdoor heat exchanger 23 for including intermediate header 90 It is placed in direction and face on the basis of the state of outdoor unit 2.

As described above, intermediate header 90 is arranged on the another side of heat exchange department 60, connect with the other end of heat-transfer pipe 63 It connects.Intermediate header 90 is the component of the tubular extended along vertical direction formed by aluminum or aluminum alloy, is mainly had in lengthwise Empty intermediate header housing 91.

The inner space of intermediate header housing 91 by multiple (being 11 here) main side middle baffle plates 92, multiple (be here 11) secondary side middle baffle plate 93 and border side middle baffle plate 94 separate along vertical direction.Main side middle baffle plate 92 is with will be intermediate The inner space for collecting the top of tube shell 91 is separated into sky among the main side connected with the other end of main heat exchange department 61A~61K Between the mode of 95A~95K sequentially set along vertical direction.Secondary side middle baffle plate 93 is with by the lower part of intermediate header housing 91 Inner space is separated into the mode edge of secondary side intermediate space 96A~96K connected with the other end of secondary heat exchange department 62A~62K Vertical direction is sequentially set.Border side middle baffle plate 94 is configured to, by the main side of the lowest level side of intermediate header housing 91 Inner space between the vertical direction of middle baffle plate 92 and the secondary side middle baffle plate 93 of top layer side is separated into and main heat exchange department The main side intermediate space 95L of the other end connection of 61L and the secondary side intermediate space connected with the other end of secondary heat exchange department 62L 96L。

Multiple (being 11 here) intermediate connection tube 97A~97K are connect with intermediate header housing 91.Intermediate connection tube 97A ~97K is the refrigerant pipe for connecting main side intermediate space 95A~95K with pair side intermediate space 96A~96K.Main heat is handed over as a result, It changes portion 61A~61K to connect via intermediate header 90 and intermediate connection tube 97A~97K with pair heat exchange department 62A~62K, be formed Refrigerant path 65A~65K of outdoor heat exchanger 23.In addition, being formed in border side middle baffle plate 94 makes sky among main side Between the middle baffle plate intercommunicating pore 94a that are connected with pair side intermediate space 96L of 95L.Main heat exchange department 61L and secondary heat exchange department as a result, 62L is connected via intermediate header 90 and middle baffle plate intercommunicating pore 94a, forms the refrigerant path 65L of outdoor heat exchanger 23. In this way, outdoor heat exchanger 23 has the knot for the refrigerant path 65A~65L for being distinguished into multipath (being 12 paths here) Structure.

In addition, intermediate header 90 be not limited to the inner space of intermediate header housing 91 as described above by middle baffle plate 92, 93 structures separated along vertical direction or for by the flow regime of the refrigerant in intermediate header 90 maintain it is good and The structure of unbearable research.

(6) structure of inlet manifold and coolant flow divider

In the following, the structure of inlet manifold 80 and coolant flow divider 70 is illustrated using Fig. 1 to Figure 17.Here, Fig. 8 is the inlet manifold 80 of Fig. 4 and the enlarged drawing of coolant flow divider 70.Fig. 9 is the inlet manifold 80 and refrigerant of Fig. 7 The enlarged cross-sectional view of current divider 70.Figure 10 is the inlet manifold 80 of Fig. 9 and the enlarged section of the lower part of coolant flow divider 70 Figure.Figure 11 is the stereogram of pole member 74.Figure 12 is the plan view of the lower end of pole member 74.Figure 13 is coolant flow divider 70 Exploded view.Figure 14 is the stereogram for showing stick perforation baffle 77 being inserted into the situation in current divider housing 71.Figure 15 is to show Spray nozzle part 79 and upper and lower end side distributing damper 73 are inserted into the stereogram of the situation of the lower end of current divider housing 71.Figure 16 is to show Go out stick positioning baffle 74c and upper and lower end side distributing damper 73 being inserted into the stereogram of the situation of the upper end of current divider housing 71. Figure 17 is the plan view of the upper end inserted with the pole member 74 in the state of stick positioning baffle 74c.In addition, in following explanation In, in case of no particular description, represent that the word in direction and face refers to include coolant flow divider 70 and entrance The outdoor heat exchanger 23 of collector 80 be placed in the state of outdoor unit 2 on the basis of direction and face.In addition, about including system The refrigerant stream of the outdoor heat exchanger 23 of cryogen current divider 70, inlet manifold 80 and intermediate header 90 is not being said especially In the case of bright, the refrigeration on the basis of referring to situation about playing a role using outdoor heat exchanger 23 as the evaporator of refrigerant Agent stream.

<Inlet manifold>

As described above, inlet manifold 80 is arranged on the one end of heat exchange department 60, it is connect with one end of heat-transfer pipe 63. Inlet manifold 90 is the component extended along vertical direction formed by aluminum or aluminum alloy, mainly with the hollow entrance of lengthwise Collect tube shell 81.

Inlet manifold housing 81 mainly has the inlet manifold cylindrical body 82 of the cylindrical shape of top and bottom opening, The opening of top and bottom is closed by about two end side entrance baffles 83.The inner space of inlet manifold housing 81 is by side Boundary side entrance baffle 84 is separated into the entrance space 85 on top and supply space 86A~86L of lower part along vertical direction.Go out Entrance space 85 is the space connected with one end of main heat exchange department 61A~61L, as make by refrigerant path 65A~ Refrigerant after 65L plays a role in the space that outlet converges.In this way, the inlet manifold 80 with entrance space 85 Top is as making to play a role in the refrigerant outlet portion that converges of outlet by the refrigerant after refrigerant path 65A~65L.

First gas refrigerant pipe 33 is connect with inlet manifold 80, is connected with entrance space 85.Supply space 86A~ 86L is being separated by multiple (being 11 here) supply side entrance baffles 87 to connect with secondary heat exchange department 62A~62L one end Logical multiple (being 12 here) spaces, work is played as refrigerant is made to flow out to the space of refrigerant path 65A~65L With.In this way, the lower part of the inlet manifold 80 with multiple supply space 86A~86L is used as and is distinguished into multiple refrigerant paths 65A~65L and make refrigerant flow out refrigerant supply unit play a role.

<Coolant flow divider>

As described above, coolant flow divider 70 is sent to for the refrigerant flowed into through liquid refrigerant pipe 35 to be shunted The equipment in downstream side (being multiple refrigerant path 65A~65L here) is arranged on the one end of heat exchange department 60, through going out The refrigerant supply unit (supply space 86A~86L) of inlet header 80 and connect with one end of heat-transfer pipe 63.Refrigerant shunts Device 70 is the component extended along vertical direction formed by aluminum or aluminum alloy, mainly with the hollow current divider housing 71 of lengthwise.

Current divider housing 71 mainly has the current divider collector cylindrical body 72 of the cylindrical shape of top and bottom opening, upper end It is closed with the opening of lower end by about two end side distributing dampers 73.Here, upper and lower end side distributing damper 73 is to be formed with semicircle The board member of the round of the edge 73a of arcuation is formed in current divider collection being inserted into from the side of current divider housing 71 Engagement is brazed in the state of in insertion groove gap 72a, 72b of the top and bottom of pipe cylindrical body 72.

It is formed in current divider housing 71：Multiple (they being 12 here) shunting road 74A being along the circumferential direction configured~ 74L；Space 75 is shunted, is directed the refrigerant into multiple shunting road 74A~74L；It is discharged with multiple (being 12 here) empty Between 76A~76L, they by it is multiple shunting road 74A~74L and with shunting space 75 connect, and be configured along vertical direction.

Multiple (being 12 here) shunting road 74A~74L is formed by the pole member 74 being configured in current divider housing 71.Stick Component 74 is the rodlike component extended along vertical direction for being formed with the multiple shunting road 74A~74L being along the circumferential direction configured. By the way that aluminum or aluminum alloy extrusion forming is produced pole member 74, multiple shunting road 74A~74L are by the length in pole member 74 Side upwardly extends and is shaped in multiple (being 12 here) holes composition of pole member 74.The central portion of the radial direction of pole member 74 Divide and surrounded by multiple shunting road 74A~74L.The other end, that is, upper end on the length direction of pole member 74 is with being arranged at current divider The lower surface of the distributing damper of end side up and down 73 of the upper end of housing 71 abuts, and the upper end of multiple shunting road 74A~74L is closed. That is, it is arranged at stick lid of the distributing damper of end side up and down 73 of the upper end of current divider housing 71 as the upper end of covering pole member 74 Component and play a role.In contrast, one end, that is, lower end on the length direction of pole member 74 extends to current divider housing 71 Lower part, but the upper surface of the distributing damper of end side up and down 73 for the lower end for being arranged at current divider housing 71, multiple shuntings are not reached The lower end of road 74A~74L is not closed out.Including shunting space 75 and stick is formed in current divider housing 71 as a result, The opposed space in the lower end of component 74.

The outer diameter of pole member 74 is less than the internal diameter of current divider housing 71, in the side of pole member 74 and current divider housing 71 Space is formed between radial direction, which forms multiple discharge space 76A~76L.Here, it is formed with the stick penetrated through for pole member 74 Multiple (being 11 here) sticks perforation baffle 77 of through hole 77b is inserted into current divider housing from the side of current divider housing 71 In 71, multiple discharge space 76A~76L are formed using multiple sticks perforation baffle 77.Here, stick perforation baffle 77 is to be formed with half The board member of the round of the edge 77a of arc-shaped is inserted into from the side of current divider housing 71 along vertical direction shape Engagement is brazed into the state of in the insertion groove gap 72c of the side of current divider collector cylindrical body 72.Pole member 74 exists as a result, It penetrates through in the state of the stick through hole 77b of multiple stick perforation baffles 77 and is configured in current divider housing 71 along vertical direction. In addition, in fig. 13, pole member 74 is inserted into from the lower end of current divider housing 71, but can also be from the upper end of current divider housing 71 It is inserted into.In this way, in current divider housing 71, the space between the side of pole member 74 and the radial direction of current divider housing 71 is multiple Stick perforation baffle 77 is separated into multiple discharge space 76A~76L along vertical direction.

Multiple (being 12 here) stick lateral aperture 74a (access) are formed in the side of pole member 74, multiple discharges are empty Between 76A~76L connected with multiple shunting road 74A~74L by multiple stick lateral aperture 74a.Here, it is multiple shunting road 74A~ 74L is corresponded each other with multiple discharge space 76A~76L.For example, the stick lateral aperture 74a shapes connected with discharge space 76A As only with shunting road 74A it is correspondings, with discharge space 76B connection stick lateral aperture 74a be formed as only with shunt road 74B it is corresponding, Like this so that the mode of the other discharge space connections of the shunting Lu Buyu connected with certain discharge space forms stick lateral aperture 74a.In addition, multiple stick lateral aperture 74a are spiral along length direction (the being vertical direction here) configuration of pole member 74.

Coolant flow divider 70 is provided with stick positioning baffle 74c (stick positioning element), which is used for stick Component 74 is positioned relative to the circumferential locations of current divider housing 71.Similary, the stick positioning baffle with stick perforation baffle 77 74c is the board member for the round for being formed with the stick through hole 74d penetrated through for pole member 74 and semicircular arc-shaped edge 74e, It is inserted into from the side of current divider housing 71.Here, stick positioning baffle 74c is being inserted into shape from the side of current divider housing 71 Into in the state of in the insertion groove gap 72a of the upper end of current divider collector cylindrical body 72 with upper and lower end side distributing damper 73 overlappingly It is brazed engagement.The upper end of pole member 74 becomes following state as a result,：The stick through hole 74d of stick positioning baffle 74c is penetrated through, and And the upper end of multiple shunting road 74A~74L is by the distributing damper of end side up and down 73 with overlapping on the upside of stick positioning baffle 74c Closing.Here, being inserted into groove gap 72a has the ruler for being inserted into this two side of upper and lower end side distributing damper 73 and stick positioning baffle 74c It is very little.In addition, being formed with oriented side holding section 74f in stick positioning baffle 74c, the oriented side holding section is by from stick through hole 74d's The convex form of periphery towards inner circumferential side is formed.Also, it is formed with stick side holding section 74g, the stick in the upper side of pole member 74 Side holding section is made of the concave shape engaged with oriented side holding section 74f.Here, oriented side holding section 74f and stick side holding section 74g is formed in circumferential locations corresponding with shunting road 74L.Also, pole member 74 is configured in current divider housing 71, stick Positioning baffle 74c, which is inserted into, to be inserted into groove gap 72a, becomes the state of engaging by two holding section 74f, 74g, so as to pole member 74 are positioned relative to the circumferential locations of current divider housing 71.Also, be formed in the lower surface of stick positioning baffle 74c by The mistake dress preventing portion 74h that convex form downward is formed.Here, accidentally dress preventing portion 74h is formed in flat tongue 74i, The tongue is towards from edge 74e towards the direction of insertion of insertion groove gap 72a, nearby side protrudes.

In current divider housing 71, the space opposed with the lower end of pole member 74 is separated into and imports space 78 and shunting The mode in space 75 is provided with spray nozzle part 79, which is formed with nozzle bore 79a, and the importing space is imported through liquid refrigerating Agent pipe 35 and flow into refrigerant, it is described shunting space 75 by refrigerant to it is multiple shunting road 74A~74L guiding.That is, spray nozzle part 79 are separated into the space in current divider housing 71 in the shunting space of the upside for importing space 78 and importing space 78 of lower end side 75, and nozzle bore 79a is formed with, which is used to the refrigerant flowed into importing space 78 being sent to shunting space 75.

Spray nozzle part 79 is formed by aluminum or aluminum alloy, here, has nozzle body 79b and nozzle supporting baffle 79c.Nozzle master Body 79b is the circular board member for being formed with nozzle bore 79a.The outer diameter of nozzle body 79b current divider housing 71 internal diameter with Under, which is inserted into current divider housing 71 from below together with pole member 74.In nozzle body 79b, in stick portion The end face i.e. pole member side end face 79d of one end (being lower end here) side of the length direction of part 74 is formed with nozzle recess 79e, should Nozzle recess is the sunk part that diameter is more than nozzle bore 79a, and shunting space 75 is by by the lower end of pole member 74 and nozzle recess The space that 79e is surrounded is formed.Here, by the way that the lower end of pole member 74 is made to be abutted with pole member side end face 79d, so as to form shunting Space 75.Here, it is formed in the lower end of pole member 74 by inlet portion 74b, this is by inlet portion by multiple shunting road 74A~74L It surrounds and opposed with nozzle bore 79a, the opening area of nozzle bore 79a is more than by the area of inlet portion 74b.In addition, in stick portion Part side end face 79d is formed with stick embedded division 79f, and the stick embedded division is by one end of the length direction for pole member 74 (under being here End) embedded convex form forms.Thereby, it is possible to pole member 74 and nozzle body 79b is inhibited to misplace to side.In addition, in nozzle The lower surface of main body 79b is formed with stage portion 79h, and the stage portion is by being fitted to the step embedded hole 79g of nozzle supporting baffle 79c In convex form form.On the other hand, in the same manner as stick perforation baffle 77, nozzle supporting baffle 79c is to be formed with step to be fitted into The circular board member of hole 79g and semicircular arc-shaped edge 79i, are inserted into from the side of current divider housing 71.Here, nozzle Supporting baffle 79c is inserted into through being formed in the insertion groove gap 72d of the side of current divider housing 71 in current divider housing 71.Into And be inserted into the state at the upper places of groove gap 72d in ratio pole member 74 and nozzle body 79b being inserted into current divider housing 71 It is lower that nozzle supporting baffle 79c is inserted into current divider housing 71, and pole member 74 and nozzle body 79b is made to move downwards, It is fitted in the step embedded hole 79g of nozzle supporting baffle 79c, and and pole member so as to the stage portion 79h of nozzle body 79b 74 and nozzle body 79b is brazed engagement together.

Liquid refrigerant pipe 35 and the lower end side (that is, side than spray nozzle part 79 on the lower) of current divider housing 71 connect It connects, refrigerant, which is flowed into, to be imported in space 78.Here, the spray nozzle part from the opening direction (i.e. vertical direction) of nozzle bore 79a 79 and during liquid refrigerant pipe 35, liquid refrigerant pipe 35 is inserted into a manner of Chong Die with nozzle bore 79a imports space 78 It is interior.Specifically, liquid refrigerant pipe 35 through be formed in the liquid pipe connecting hole 72e of the lower end side of current divider housing 71 and transverse direction Ground, which is inserted into, to be imported in space 78.Here, it is inserted into liquid refrigerant pipe 35 and imports the part in space 78 to be inserted into Pipe portion 35a.Here, the center during overlook observation of current divider housing 71 is located at due to nozzle bore 79a, it is inserted into pipe portion 35a Center of end when being at least inserted into the overlook observation for crossing current divider housing 71 position, here, by liquid refrigerant Pipe 35, which is inserted into, to be imported in space 78 until (being opposed with liquid pipe connecting hole 72e here with the inner surface of current divider housing 71 Inner surface) it abuts.Also, here, the pipe end hole 35b as the opening for the end for being inserted into pipe portion 35a is blocked, in insertion tube The top of portion 35a, with when the spray nozzle part 79 from the opening direction of nozzle bore 79a and liquid refrigerant pipe 35 with nozzle bore 79a The mode of overlapping is formed with refrigerant entrance hole 35c.Here, by installing columnar rivet 35d (pipe end plug members), so as to It pipe end hole 35b and is blocked from refrigerant entrance hole 35c to the space of pipe end hole 35b.In addition, by pipe end hole 35b and The method blocked from refrigerant entrance hole 35c to the space of pipe end hole 35b is not limited to by rivet 35d, it is also possible that：It is logical It crosses and centrifugation processing (processing of ス パ Application) is implemented to the end for being inserted into pipe portion 35a or presses processing (ピ Application チ processing), so as to manage End aperture 35b and from refrigerant entrance hole 35c to the space of pipe end hole 35b block.In addition, here, refrigerant entrance hole 35c Opening area be more than nozzle bore 79a opening area.

Also, coolant flow divider 70 by formed multiple (being 12 here) link road 88A~88L it is multiple (here 12) connecting tube 88 and connect with the lower part of inlet manifold 80.That is, multiple link road 88A~88L are from more by refrigerant The part that a discharge space 76A~76L is guided to multiple supply space 86A~86L.In this way, liquid refrigerant pipe 35, as system Lower part, coolant flow divider 70 and the multiple companies for forming multiple link road 88A~88L of the inlet manifold 80 of cryogen supply unit Take over 88 as will pass through liquid refrigerant pipe 35 and the refrigerant that flows into be sent to multiple refrigerant path 65A in downstream side~ The refrigerant flow dividing structure of 65L (the multiple heat-transfer pipes 63 being made of flat tube) and play a role.

(7) feature of coolant flow divider

The coolant flow divider 70 of present embodiment has following feature.

<A>

As shown in Fig. 9, Figure 13, Figure 16 and Figure 17, the coolant flow divider 70 of present embodiment is for refrigerant to be divided The coolant flow divider in downstream side is flowed and is sent to, with current divider housing 71 and pole member 74.Current divider housing 71 is in lead The hollow housing that vertical side upwardly extends is formed with the multiple discharge space 76A~76L being configured along vertical direction in inside, Refrigerant is flowed into from the lower section of multiple discharge space 76A~76L.Pole member 74 be disposed in current divider housing 71 along vertical The bar-like member of direction extension, is formed with the multiple shunting road 74A~74L being along the circumferential direction configured and makes multiple shunting road 74A Multiple stick lateral aperture 74a (access) that~74L is connected with multiple discharge space 76A~76L, are flowed into current divider housing 71 Refrigerant by multiple shunting road 74A~74L and multiple stick lateral aperture 74a be sent to it is multiple discharge space 76A~76L in. Also, it here, is provided with to determine pole member 74 relative to the stick that the circumferential locations of current divider housing 71 are positioned Position baffle 74c (stick positioning element).Specifically, here, stick side holding section 74g is formed in pole member 74, positions and keep off in stick Plate 74c is formed with the oriented side holding section 74f engaged with stick side holding section 74g.

Therefore, here, since pole member 74 is positioned relative to the circumferential locations of current divider housing 71, energy When enough accounting for multiple shunting road 74A~74Ls inflow of the refrigerant being flowed into current divider housing 71 to pole member 74 Bias current tendency design.

As a result, here, multiple shunting road 74A~74L can be configured in the circumferential locations according to design, and can Desirable heat exchange performance is obtained in outdoor heat exchanger 23.

<B>

In addition, in the coolant flow divider 70 of present embodiment, as shown in Figure 16 and Figure 17, in stick positioning baffle 74c (stick positioning element) is formed with the stick through hole 74d penetrated through for pole member 74, and oriented side holding section 74f is from stick through hole 74d Convex form of the periphery towards inner circumferential side or the periphery from stick through hole 74d towards the concave shape of peripheral side, stick side holding section 74g It is formed at the concave shape or convex form of the side of pole member 74.

As a result, here, can with make pole member 74 penetrate through stick positioning baffle 74c stick through hole 74d operation simultaneously Oriented side holding section 74f is made to engage with stick side holding section 74g.

<C>

Also, in the coolant flow divider 70 of present embodiment, as shown in figure 13, also there is the upper of covering pole member 74 The distributing damper of end side up and down 73 (stick cover) at end, upper surface and the upper and lower end side of stick positioning baffle 74c (stick positioning element) The lower surface of distributing damper 73 abuts, and is formed with what is formed by convex form downward in the lower surface of stick positioning baffle 74c Accidentally dress preventing portion 74h.

Here, suppose that penetrate through pole member 74 in a state that the upper and lower surface of stick positioning baffle 74c is mistaken The upper end of upper and lower end side distributing damper 73 covering pole member 74 can be utilized in the stick through hole 74d of stick positioning baffle 74c Situation.In this case, as shown in figure 18, oriented side holding section 74f is configured in different from defined circumferential locations Circumferential locations on.Specifically, originally should as illustrated in fig. 16 be located at paper nearby left side oriented side holding section 74f It has been located on the right side of paper depth (with reference to Figure 18).In this way, correspondingly, the stick of the shunting road 74L with being formed in pole member 74 Side holding section 74g engages, and stick side holding section 74g is also disposed in the circumferential locations different from defined circumferential locations On, as a result, (ginseng can not be configured in the circumferential locations according to design in multiple shunting road 74A~74L of pole member 74 According to Figure 18).

In contrast, here, as shown in Figure 13 and Figure 18, accidentally dress preventing portion is formed in the lower surface of stick positioning baffle 74c 74h makes pole member 74 run through stick positioning baffle in a state that the upper surface of stick positioning baffle 74c and lower surface are mistaken When in the stick through hole 74d of 74c, the convex form that preventing portion 74h is directed towards top is accidentally filled, it is dry with upper and lower end side distributing damper 73 The upper end for relating to and upper and lower end side distributing damper 73 can not being made to cover pole member 74.Specifically, the mistake in stick positioning baffle 74c fills Preventing portion 74h is directed towards in the state of the convex form of top, and accidentally filling preventing portion 74h becomes obstacle, can not shunt upper and lower end side Baffle 73, which is inserted into, to be inserted into groove gap 72a.

As a result, here, can prevent in a state that the upper surface of stick positioning baffle 74c and lower surface are mistaken installation, That is the mistake dress of stick positioning baffle 74c.

(8) variation

<A>

In the coolant flow divider 70 of above-mentioned present embodiment, as shown in figure 16, the shunting road 74L in top side is configured Pole member 74 is formed in, but unlimited as other part by the use of stick lateral aperture 74a and the stick side holding section 74g being made of concave shape In this.

For example, it is also possible in this way：As shown in figure 19, stick side holding section 74g is long concave shape in vertical direction, makes stick Tops of the oriented side holding section 74f of positioning baffle 74c (stick positioning element) only with stick side holding section 74g engages, and makes stick side card The lower part of conjunction portion 74g plays a role as stick lateral aperture 74a.

As a result, here, stick side holding section 74g can be made to serve not only as the part for engaging oriented side holding section 74f, also simultaneous Stick lateral aperture 74a as shunting road 74L.

<B>

In the coolant flow divider 70 of above-mentioned present embodiment, as shown in figure 17, stick positioning baffle 74c (stick positioning regions Part) oriented side holding section 74f be from the periphery of stick through hole 74d towards the convex form of inner circumferential side, the stick side card of pole member 74 Conjunction portion 74g is formed at the concave shape of the side of pole member 74, but not limited to this.

For example, it is also possible in this way：As shown in figure 20, the oriented side holding section 74f of stick positioning baffle 74c (stick positioning element) It is the concave shape from the periphery of stick through hole 74d towards peripheral side, the stick side holding section 74g of pole member 74 is formed at pole member The convex form of 74 side.

<C>

In the coolant flow divider 70 of above-mentioned present embodiment, as shown in figure 16, stick positioning baffle 74c (stick positioning regions Part) only have the function of to position pole member 74 relative to the circumferential locations of current divider housing 71, pole member 74 Upper end is covered by upper and lower end side distributing damper 73 (stick cover).

It is however not limited to this, for example, it is also possible in this way：As shown in figure 21, stick positioning baffle 74c (stick positioning element) covers The upper end of lid pole member 74, oriented side holding section 74f are the concave shapes from the lower surface of stick positioning baffle 74c upward, stick Side holding section 74g is formed at the convex form of the upper end of pole member 74.Alternatively, it is also possible in this way：With Figure 21 on the contrary, oriented side Holding section 74f is the convex form from the lower surface of stick positioning baffle 74c downward, and stick side holding section 74g is formed at stick portion The concave shape of the upper end of part 74.

As a result, here, stick positioning baffle 74c is not only to pole member 74 relative to the circumferential locations of current divider housing 71 It is positioned, additionally it is possible to play the function of the stick cover of the upper end of covering pole member 74.

<D>

In the coolant flow divider 70 of above-mentioned present embodiment, pole member 74 is integrally formed with being along the circumferential direction configured Multiple shunting road 74A~74L along vertical direction extend bar-like member, but not limited to this.For example, it is also possible in this way：Such as Shown in Figure 22 and Figure 23, by will be formed it is multiple shunting road 74A~74L multiple (being 12 here) capillary element 741A~ 741L is along the circumferential direction bundled, so as to form pole member 74.Here although not shown, but in the same manner as the above embodiment, more The side of a capillary element 741A~741L is formed with multiple stick lateral aperture 74a, multiple to discharge space 76A~76L and multiple points Flow path 74A~74L is connected by multiple stick lateral aperture 74a.Alternatively, it is also possible in this way：As shown in figure 22, by multiple tubules The part setting center bar 742 that component 741A~741L is surrounded, the lower end for making the center bar 742 is by inlet portion 74b.In addition, It may not be center barred body 742 as shown in figure 23, set in the lower end of multiple capillary element 741A~741L for more The spacer body 743 of a capillary element 741A~741L perforations, the center portion for making the spacer body 743 are by inlet portion 74b.

<E>

In the coolant flow divider 70 of above-mentioned present embodiment, pole member 74 is integrally formed with being along the circumferential direction configured Multiple shunting road 74A~74L along vertical direction extend bar-like member, but not limited to this.For example, it is also possible in this way：Such as Shown in Figure 24 and Figure 25, outer pole member 744 and interior pole member 745 of the configuration in the inner circumferential side of outer pole member 744 of tubular are utilized Form pole member 74.Here, edge is formed in at least one party of the peripheral surface of the inner peripheral surface or interior pole member 745 of outer pole member 744 Multiple (being 12 here) slot 744a, 745a of the length direction extension of pole member 74, using by multiple slot 744a, 745a and outside The space that the peripheral surface of the inner peripheral surface of pole member 744 or interior pole member 745 surrounds forms multiple shunting road 74A~74L.Though here It is not shown, but in the same manner as the above embodiment, multiple stick lateral aperture 74a, Duo Gepai are formed in the side of outer pole member 744 Go out space 76A~76L to connect by multiple stick lateral aperture 74a with multiple shunting road 74A~74L.In addition, here, interior stick portion The center portion of the lower end of part 745 becomes by inlet portion 74b.

<F>

In the outdoor heat exchanger 23 for the coolant flow divider 70 for employing the above embodiment, list by flat tube Only 1 arranges, is illustrated, but be not limited to along for the structure of vertical direction configuration multilayer when the heat-transfer pipe 63 of composition is overlooked This.For example, it can be the structures that multilayer is configured when overlooking as shown in figure 26 along vertical direction for the heat-transfer pipe 63 of 2 row. In this case, since one end (right end) of the other end (left end) on the length direction of heat-transfer pipe 63 towards length direction is turned back, Therefore, not only coolant flow divider 70 and inlet manifold 80, the other end that intermediate header 90 is also disposed at heat-transfer pipe 63 are (right End) side.

Industrial availability

Present invention is generally applicable to following coolant flow dividers：It is formed with the multiple shuntings being along the circumferential direction configured The pole member configuration on road is being formed in the current divider housing in multiple discharge spaces, the refrigerant warp being flowed into current divider housing Multiple shunting roads are crossed to be sent in multiple discharge spaces.

Label declaration

70 coolant flow dividers

71 current divider housings

About 73 end side distributing dampers (stick cover)

74 pole members

74a access (stick lateral aperture)

74c stick positioning elements

74d stick through holes

74f oriented sides holding section

74g sticks side holding section

74h accidentally fills preventing portion

74A~74L shunts road

76A~76L discharges space

Existing technical literature

Patent document

Patent document 1：Japanese Unexamined Patent Publication 4-316785 bulletins

Claims (3)

1. a kind of coolant flow divider (70) is used to shunting and being sent to downstream side refrigerant, wherein,

The coolant flow divider has：

Current divider housing (71) is the hollow housing extended in vertical direction, and inside is formed with matches along vertical direction The multiple discharge spaces (76A~76L) put, the refrigerant are flowed into from the lower section in the multiple discharge space；

Pole member (74), the bar-like member extended along vertical direction being disposed in the current divider housing, is formed with edge The multiple shunting roads (74A~74L) and make what the multiple shunting road was connected with the multiple discharge space that circumferencial direction is configured Multiple access (74a) are flowed into the refrigerant in the current divider housing by the multiple shunting road and described more A access and be sent to it is the multiple discharge space in；With

The stick cover (73) of the upper end of the pole member is covered,

The coolant flow divider is provided with for the circumferential locations to the pole member relative to the current divider housing The stick positioning element (74c) positioned,

The upper surface of the stick positioning element is abutted with the lower surface of the stick cover,

The mistake dress preventing portion (74h) formed by convex form downward is formed in the lower surface of the stick positioning element.

2. coolant flow divider (70) according to claim 1, wherein,

Stick side holding section (74g) is formed on the pole member (74),

The oriented side holding section (74f) engaged with stick side holding section is formed on the stick positioning element (74c).

3. coolant flow divider (70) according to claim 2, wherein,

The stick through hole (74d) penetrated through for the pole member (74) is formed on the stick positioning element (74c),

The oriented side holding section (74f) is passed through from the periphery of the stick through hole towards the convex form of inner circumferential side or from the stick The periphery of through-hole towards peripheral side concave shape,

Stick side holding section (74g) is formed at concave shape or convex form on the side of the pole member.