CN107208947A - Coolant flow divider - Google Patents

Abstract

Coolant flow divider (70) is constructed so that refrigerant is flowed into from the lower section of multiple discharge spaces (76A~76L), and the refrigerant being flowed into current divider housing (71) is sent in multiple discharge spaces (76A~76L) by multiple shunting roads (74A~74L) and multiple access (74a).Also, coolant flow divider (70) is provided with rod positioning element (74c), the circumferential locations that the rod positioning element is used for pole member (74) relative to current divider housing (71) are positioned.

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 with the current divider housing in space, the pole member is formed with the multiple shunting roads circumferentially configured, flowed Enter to the refrigerant in current divider housing and be sent to by multiple shunting roads in multiple discharge spaces.

Background technology

In the past, coolant flow divider was provided with the heat exchanger that the evaporator as refrigerant plays a role, should Coolant flow divider is used to shunting and being sent to downstream 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 publications) 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 with outer tube (current divider housing), the inner tube is formed with the multiple distribution circumferentially configured and led to Road (shunting road), the refrigerant being flowed into current divider housing is sent in multiple discharge spaces by multiple shunting roads.

The content of the invention

In above-mentioned conventional coolant flow divider, according to the connection side for the liquid refrigerant pipe being connected with current divider housing To setting condition is waited, the amount for the liquid refrigerant being flowed into sometimes in multiple shunting roads can produce 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 produces deviation.On the other hand, due to multiple shunting curbs Circumferencial direction configuration, therefore, the shunting road in the upstream side of the flow direction positioned at the refrigerant flowed into current divider housing With the shunting road in the downstream positioned at the flow direction of the refrigerant flowed into current divider housing, the amount of the liquid refrigerant of inflow Produce deviation.

Therefore, in a heat exchanger, the amount of the such liquid refrigerant flowed into multiple shunting roads of consideration sometimes is inclined Difference tendency and design configuration and heat transfer area of the multiple refrigerant paths being connected with the downstream of coolant flow divider etc..But It is, if multiple shunting roads do not configure in the circumferential locations according to design to assemble coolant flow divider, in heat exchange It is possible to cannot get desired heat exchange performance in device.For example, being 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 substantial amounts 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.

The problem of the present invention is, is configured with pole member being formed with the current divider housing in multiple discharge spaces, the rod Part is formed with the multiple shunting roads 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, desired 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, its With current divider housing and pole member.Current divider housing is the hollow housing extended in vertical, is internally formed with The multiple discharge spaces configured along vertical, refrigerant is flowed into from the lower section in multiple discharge spaces.Pole member is disposed on The bar-like member extended along vertical in current divider housing, is formed with the multiple shunting roads along the circumferential direction configured and makes many Multiple access that individual shunting road is connected with multiple discharge spaces, the refrigerant being flowed into current divider housing passes through multiple shuntings Road and multiple access are sent in multiple discharge spaces.Also, here, being provided with is used for pole member relative to current divider shell The rod positioning element that the circumferential locations of body are positioned.

Here, the circumferential locations due to pole member relative to current divider housing are positioned, 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.

Thus, here, can be by multiple points of flow arrangements in the circumferential locations according to design, and can be in heat exchange Desired 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 with pole member Rod side holding section, the oriented side holding section engaged with rod side holding section is formed with rod positioning element.

The refrigerant of the third aspect shunts road in the refrigerant shunting road of second aspect, wherein, in rod positioning element shape Into the rod through hole having for pole member insertion, oriented side holding section be convex form from the periphery of rod through hole towards inner circumferential side or From the periphery of rod through hole towards the concave shape of outer circumferential side, rod 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 rod through hole for making pole member insertion rod positioning element Engage with rod 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 rod cover, and the rod cover is covered under the upper end of pole member, the upper surface of rod positioning element and rod cover Surface is abutted, and the mistake dress preventing portion formed by convex form downward is formed with the lower surface of rod positioning element.

Determine here, suppose that making pole member run through rod in the state of the upper and lower surface of rod positioning element is mistaken With the situation for the upper end that pole member can be covered using rod cover in the rod through hole of position part.In this case, due to fixed Position side holding section be configured in the circumferential locations different from defined circumferential locations, therefore, rod 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, the lower surface in rod positioning element is pre-formed dress preventing portion by mistake, by rod When in the rod through hole that the upper surface of positioning element makes pole member run through rod positioning element in the state of being mistaken with lower surface, by mistake Dress preventing portion is directed towards the convex form of top, its upper end interfered with rod cover and rod cover can not be made to cover pole member.

Thus, here, installation, i.e. rod in the state of the upper surface of rod 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 rod positioning element The upper end of pole member, oriented side holding section is from the lower surface of rod positioning element convex form downward or from rod positioning element Lower surface concave shape upward, rod side holding section is formed at the concave shape or convex form of the upper end of pole member.

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

Brief 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 outward appearance for showing outdoor unit.

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

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

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

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

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

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

Fig. 9 is Fig. 7 inlet manifold and the amplification view of coolant flow divider.

Figure 10 be Fig. 9 inlet manifold and coolant flow divider bottom amplification view.

Figure 11 is the stereogram of pole member.

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

Figure 13 is the exploded view of coolant flow divider.

Figure 14 is the stereogram for showing rod insertion baffle plate being inserted into the situation in current divider housing.

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

Figure 16 is to show rod positioning baffle and side distributing damper is inserted into the situation of the upper end of current divider housing up and down Stereogram.

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

Figure 18 is to show rod positioning baffle and side distributing damper is inserted into the situation of the upper end of current divider housing up and down Stereogram (situation for mistaking the upper and lower surface of rod 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.

Embodiment

Below, the embodiment and its variation with reference to the accompanying drawings to coolant flow divider of the invention are illustrated.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 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 be carried out by carrying out steam compression type freeze cycle building etc. indoor refrigeration and The device heated.Air-conditioning device 1 is mainly constituted by the way that outdoor unit 2 and indoor unit 4 are connected.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.That is, it is outdoor single Member 2 and indoor unit 4 are connected by connecting refrigerant lines 5,6, so as to constitute the steam compression type system of air-conditioning device 1 Refrigerant circuit 10.

<Indoor unit>

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

Indoor heat converter 41 is to be played a role in cooling operation as the evaporator of refrigerant with to room air The heat friendship for being cooled down and playing a role to heat room air as the radiator of refrigerant in heating operation Parallel operation.The hydraulic fluid side of indoor heat converter 41 is connected with liquid refrigerant connecting tube 5, the gas side and gas of indoor heat converter 41 Cryogen connecting tube 6 is connected.

Indoor unit 4 has an indoor fan 42, the indoor fan be used for by room air be drawn into indoor unit 4 with With refrigerant provide as supply air after heat exchange in indoor heat converter 41 and arrive interior.That is, indoor unit 4 has room Internal fan 42 is used as the heating source or cold that the refrigerant flowed as heat exchanger 41 indoors is provided to indoor heat converter 41 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 being used as indoor fan 42.

<Outdoor unit>

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

Compressor 21 is that the refrigerant compression of the low pressure of freeze cycle is turned into the equipment of high pressure.Compressor 21 is by pressure Contracting machine drives the closed structure of the compression key element rotation (not shown) of rotary or vortex isometric(al) formula with motor 21a.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 suction of compressor 21 The refrigerant pipe that the tunnel switching valves 22 of Ce He tetra- are connected.Bleed pipe 32 is by the tunnel switching valves 22 of ejection Ce He tetra- 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 loop 10. In cooling operation, four tunnel switching valves 22 carry out the switching to kind of refrigeration cycle state, under the kind of refrigeration cycle state, make outdoor heat Exchanger 23 plays a role as the radiator of the refrigerant compressed in compressor 21, and makes indoor heat converter 41 Played a role as the evaporator of the refrigerant radiated in outdoor heat converter 23.That is, in cooling operation, the switching of four tunnels The gas side of the ejection side (being bleed pipe 32 here) of compressor 21 and outdoor heat converter 23 (is first gas here by valve 22 Refrigerant pipe 33) connect (solid lines of four tunnel switching valves 22 of reference picture 1).Also, the suction side of compressor 21 (is here Suction line 31) be connected (reference picture 1 with the side of gas refrigerant connecting tube 6 (being second gas refrigerant pipe 34 here) The solid line of four tunnel switching valves 22).In addition, in heating operation, four tunnel switching valves 22 are carried out to the switching for heating recurrent state, This is heated under recurrent state, is made the evaporator for the refrigerant that outdoor heat converter 23 radiates as heat exchanger 41 indoors and is sent out The effect of waving, and indoor heat converter 41 is played 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 The side of adapter 6 (being second gas refrigerant pipe 34 here) is connected (dotted lines of four tunnel switching valves 22 of reference picture 1).Also, The suction side (being suction line 31 here) of compressor 21 and the gas side of outdoor heat converter 23 (are first gas refrigerant here Pipe 33) it is connected (dotted lines of four tunnel switching valves 22 of reference picture 1).Here, the tunnels of 33 Shi Jiang of first gas refrigerant pipe tetra- The refrigerant pipe that the gas side of switching valve 22 and outdoor heat converter 23 is connected.The tunnels of 34 Shi Jiang of second gas refrigerant pipe tetra- The refrigerant pipe that switching valve 22 is connected with gas side shutoff valve 26.

Outdoor heat converter 23 be in cooling operation as using outdoor air as the refrigerant of cooling source radiator 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 converter 23 is connected 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 converter 23 and the side of liquid refrigerant connecting tube 5 Refrigerant pipe.

Expansion valve 24 is by the refrigeration of the high pressure of the freeze cycle radiated in outdoor heat converter 23 in cooling operation Agent is depressurized to the valve of the low pressure of freeze cycle.In addition, expansion valve 24 will be dissipated indoors in heat exchanger 41 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 the close hydraulic fluid side shutoff valve 25 of pipe 35.Here, it is used as expansion valve 24 using electric expansion valve.

Hydraulic fluid side shutoff valve 25 and gas side shutoff valve 26 are to be arranged on outside equipment/pipe arrangement (specifically Liquid refrigerant connecting tube 5 and gas refrigerant connecting tube 6) connector valve.Hydraulic fluid side shutoff valve 25 is arranged on liquid The end of refrigerant pipe 35.Gas side shutoff valve 26 is arranged on the end of 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 converter 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 that is flowed in outdoor heat converter 23 Fan.Here, it is used as outdoor fan 36 using by outdoor fan motor 36a propeller type fans driven etc..

<Connecting refrigerant lines>

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

(2) elemental motion of air-conditioning device

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

<Cooling operation>

In cooling operation, four tunnel switching valves 22 are switched to kind of 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 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 converter through four tunnel switching valves 22 23。

The gas refrigerant for being sent to the high pressure of outdoor heat converter 23 is playing a role as refrigerant radiator Heat exchange is carried out with the outdoor air that is provided by outdoor fan 36 as cooling source in outdoor heat converter 23 and radiated, as height The liquid refrigerant of pressure.

The liquid refrigerant of the high pressure radiated in outdoor heat converter 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 turned into The refrigerant of the gas-liquid two-phase state of low pressure.By expansion valve 24 depressurize after low pressure gas-liquid two-phase state refrigerant through liquid Side closure valve 25 and liquid refrigerant connecting tube 5 and be sent to indoor heat converter 41.

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

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

<Heating operation>

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

In refrigerant loop 10, the gas refrigerant of the low pressure of freeze cycle is inhaled into compressor 21 and 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 shutoff valve 26 Cryogen connecting tube 6 and be sent to indoor heat converter 41.

Be sent to the gas refrigerant of the high pressure of indoor heat converter 41 indoors in heat exchanger 41 with by indoor fan 42 room airs provided as cooling source carry out heat exchange and radiated, the liquid refrigerant as high pressure.Thus, room air It is heated, then, is provided to indoor and carries out indoor heat.

The liquid refrigerant of the high pressure radiated indoors in heat exchanger 41 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 turned into The refrigerant of the gas-liquid two-phase state of low pressure.By expansion valve 24 depressurize after the refrigerant of gas-liquid two-phase state of low pressure be sent to Outdoor heat converter 23.

The refrigerant of gas-liquid two-phase state of the low pressure of outdoor heat converter 23 is sent to as refrigerant evaporator As the outdoor air progress heat exchange that heating source is provided in the outdoor heat converter 23 played a role and by outdoor fan 36 Evaporation, the gas refrigerant as low pressure.

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

(3) basic structure of outdoor unit

Below, 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 outward appearance.Fig. 3 is the plan 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 word such as " right side ", " vertical " and " above ", " side ", " back side ", " top surface ", " bottom surface " refers to fan blowout grid 55b sides Face be used as the direction and face in the case of above.

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

Cell enclosure 51 is shaped generally as rectangular-shape, main to accommodate：The equipment of composition refrigerant loop 10/match somebody with somebody tubing, The refrigerant loop includes compressor 21, four tunnel switching valves 22, outdoor heat converter 23, expansion valve 24, shutoff 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, it, which is loaded, constitutes equipment of refrigerant loop 10/with tubing 21~26,31~35 and outdoor fan 36 etc.；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 pin 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 surface here Part) plate-shaped member.The bottom 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 by 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 bottom of Machine Room side side plate 54 It is fixed in bottom plate 52.The end of the rear 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 is used for outdoor by outdoor fan 36 Air is drawn into cell enclosure 51 from the rear side of cell enclosure 51.

Supply fan room side foreboard 55 is the plate-shaped member of the supply fan room S1 of Component units shell 51 previous section.Air-supply The bottom 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 face 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 by outdoor fan 36 in cell enclosure 51 to be blown out into outside.The foreboard 55 in supply fan room side Front face side is provided with covering fan blow-off outlet 55a fan blowout grid 55b.

Machine Room side foreboard 56 is a part and cell enclosure for the Machine Room S2 of Component units shell 51 previous section The plate-shaped member of a part for 51 Machine Room S2 lateral parts.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 rear side of Machine Room side foreboard 56 is fixed in The end of the front face 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.

Dividing plate 58 is disposed on the plate-shaped member extended along vertical on bottom plate 52.Here, will be single by dividing plate 58 Inside of first shell 51 or so is split, so as to form the Machine Room S2 of the supply fan room S1 for the side that keeps left and side of keeping right.Dividing plate 58 bottom is fixed in bottom plate 52, and the end of the front face side of dividing plate 58 is fixed in supply fan room side foreboard 55, its rear side End extend to the side end by Machine Room S2 of outdoor heat converter 23.

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

Outdoor fan 36 is the propeller type fan with multiple wings, its in supply fan room S1 with cell enclosure 51 Above (being fan blow-off outlet 55a here) opposed mode is configured in the position of the front face side of outdoor heat converter 23.Outdoor wind Fan is configured between outdoor fan 36 and outdoor heat converter 23 with motor 36a in supply fan room S1, in the longitudinal direction.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.

Outdoor heat converter 23 is top view for the heat-exchanger panels of substantially L-shaped, its in supply fan room S1 with The mode opposed with the side (being left surface 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 drum, and it is positioned in bottom plate in the S2 of Machine Room On 52.

(4) basic structure of outdoor heat converter

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

Outdoor heat converter 23 mainly has：Heat exchange department 60, it carries out the heat exchange of outdoor air and refrigerant；Refrigeration Agent current divider 70 and inlet manifold 80, they are arranged at a side of heat exchange department 60；And intermediate header 90, it is set Put the another side in heat exchange department 60.Outdoor heat converter 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 constitute outdoor heat exchange The top of device 23；With multiple (being 12 here) secondary heat exchange department 62A~62L, they constitute the bottom of outdoor heat converter 23. In main heat exchange department 61A~61L, main heat exchange department 61A is configured with the superiors, from its lower layer side along vertical down Ground sequentially configures main heat exchange department 61B~61L, and in secondary heat exchange department 62A~62L, secondary heat exchange department is configured with orlop 62A, from it layer side sequentially configure secondary heat exchange department 62B~62L upward along vertical.

Heat exchange department 60 is the insertion finned type heat exchanger being made up of multiple heat-transfer pipes 63 and multiple thermofins 64, its In, multiple heat-transfer pipes 63 are made up of flat tube, and multiple thermofins 64 are made up of insertion fin.Heat-transfer pipe 63 is by aluminum or aluminum alloy Formed, it is with the multiple small inside flowed as heat-transfer area, towards the planar portions 63a of vertical and for refrigerant Stream 63b flat perforated pipe.Multiple heat-transfer pipes 63 separatedly configure multilayer, two ends and gateway collection along vertical air switch Pipe 80 and intermediate header 90 are connected.Thermofin 64 is formed by aluminum or aluminum alloy, and it is formed with flatly slenderly extend many Individual breach 64a, to be inserted on the multiple heat-transfer pipes 63 being configured between inlet manifold 80 and intermediate header 90.Heat transfer The breach 64a of fin 64 shape and the profile in the section of heat-transfer pipe 63 is substantially uniform.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 converter 23 The superiors are along vertical down according to the formation heat transfer tube group of heat-transfer pipe 63 of regulation quantity (about 3 to 8), the heat-transfer pipe Group constitutes main heat exchange department 61A~61L.In addition, from the orlop of outdoor heat converter 23 along vertical upward according to rule The formation heat transfer tube group of heat-transfer pipe 63 of fixed number amount (about 1 to 3), the heat transfer tube group constitutes secondary heat exchange department 62A~62L.

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

(5) structure of intermediate header

Below, the structure of intermediate header 90 is illustrated using Fig. 1 to Fig. 7.In addition, in the following description, 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 converter 23 including intermediate header 90 The direction and face being placed 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 Connect.Intermediate header 90 is the part of the tubular extended along vertical formed by aluminum or aluminum alloy, and it mainly has in lengthwise Empty intermediate header housing 91.

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

Multiple (being 11 here) intermediate connection tube 97A~97K are connected with intermediate header housing 91.Intermediate connection tube 97A ~97K is the refrigerant pipe for connecting master intermediate space 95A~95K with pair side intermediate space 96A~96K.Thus, main heat is handed over Change portion 61A~61K to connect via intermediate header 90 and intermediate connection tube 97A~97K with secondary heat exchange department 62A~62K, formed Refrigerant path 65A~65K of outdoor heat converter 23.In addition, being formed with border side middle baffle plate 94 makes sky in the middle of master Between the middle baffle plate intercommunicating pore 94a that are connected with pair side intermediate space 96L of 95L.Thus, main heat exchange department 61L and secondary heat exchange department 62L is connected via intermediate header 90 and middle baffle plate intercommunicating pore 94a, forms the refrigerant path 65L of outdoor heat converter 23. So, outdoor heat converter 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 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

Below, the structure of inlet manifold 80 and coolant flow divider 70 is illustrated using Fig. 1 to Figure 17.Here, Fig. 8 is Fig. 4 inlet manifold 80 and the enlarged drawing of coolant flow divider 70.Fig. 9 is Fig. 7 inlet manifold 80 and refrigerant The amplification view of current divider 70.Figure 10 be Fig. 9 inlet manifold 80 and coolant flow divider 70 bottom enlarged section Figure.Figure 11 is the stereogram of pole member 74.Figure 12 is the plan of the lower end of pole member 74.Figure 13 is coolant flow divider 70 Exploded view.Figure 14 is the stereogram of situation for showing to be inserted into rod insertion baffle plate 77 in current divider housing 71.Figure 15 is to show Side distributing damper 73 is inserted into the stereogram of the situation of the lower end of current divider housing 71 by spray nozzle part 79 and up and down.Figure 16 is to show Go out rod positioning baffle 74c and side distributing damper 73 is inserted into the stereogram of the situation of the upper end of current divider housing 71 up and down. Figure 17 is the plan of the upper end inserted with the pole member 74 in the state of rod 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 including coolant flow divider 70 and gateway The outdoor heat converter 23 of collector 80 be placed in the state of outdoor unit 2 on the basis of direction and face.In addition, on including system The cold-producing medium stream of the outdoor heat converter 23 of cryogen current divider 70, inlet manifold 80 and intermediate header 90, is not saying especially In the case of bright, the refrigeration on the basis of referring to situation about being played a role using outdoor heat converter 23 as the evaporator of refrigerant Agent stream.

<Inlet manifold>

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

Inlet manifold housing 81 mainly has the inlet manifold cylindrical body 82 of the drum of top and bottom opening, The opening of top and bottom is closed by about two sides gateway baffle plate 83.The inner space of inlet manifold housing 81 is by side Boundary side gateway baffle plate 84 is separated into the gateway space 85 on top and supply space 86A~86L of bottom along vertical.Go out Entrance space 85 is the space connected with main heat exchange department 61A~61L one end, its as make by refrigerant path 65A~ Refrigerant after 65L plays a role in the space that outlet converges.So, inlet manifold 80 with gateway 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 connected with inlet manifold 80, is connected with gateway space 85.Supply space 86A~ 86L is being separated by multiple (being 11 here) supply side gateway baffle plates 87 to connect with secondary heat exchange department 62A~62L one end Logical multiple (being 12 here) spaces, it plays work as making refrigerant flow out to refrigerant path 65A~65L space With.So, the bottom of the inlet manifold 80 with multiple supply space 86A~86L is as being 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 (being multiple refrigerant path 65A~65L here), it is arranged on a side of heat exchange department 60, through going out The refrigerant supply unit (supply space 86A~86L) of inlet header 80 and be connected with one end of heat-transfer pipe 63.Refrigerant is shunted Device 70 is the part extended along vertical 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 drum of top and bottom opening, upper end Closed with the opening of lower end by about two side distributing dampers 73.Here, side distributing damper 73 is to be formed with semicircle up and down The board member of the edge 73a of arcuation toroidal, it is inserted into the side from current divider housing 71 and is formed at current divider collection 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 with current divider housing 71：Multiple (they being 12 here) shunting road 74A along the circumferential direction configured~ 74L；Space 75 is shunted, it is directed the refrigerant into multiple shunting road 74A~74L；Discharged with multiple (being 12 here) empty Between 76A~76L, they are connected with shunting space 75 by multiple shunting road 74A~74L, and configured along vertical.

Multiple (being 12 here) shunting road 74A~74L is formed by the pole member 74 configured in current divider housing 71.Rod Part 74 is the bar-shaped part extended along vertical for being formed with the multiple shunting road 74A~74L along the circumferential direction configured. By the way that aluminum or aluminum alloy extrusion forming is produced into 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 on the length direction of pole member 74 is upper end and is arranged at current divider The lower surface of the distributing damper of side up and down 73 of the upper end of housing 71 is abutted, and multiple shunting road 74A~74L upper end is closed. That is, be arranged at current divider housing 71 upper end the distributing damper of side up and down 73 as covering pole member 74 upper end rod lid Part and play a role.In contrast, one end on the length direction of pole member 74, which is lower end, extends to current divider housing 71 Bottom, but the upper surface of the distributing damper of side up and down 73 for the lower end for being arranged at current divider housing 71, multiple shuntings are not reached Road 74A~74L lower end is not closed out.Thus, including shunting space 75 and rod is formed with current divider housing 71 The opposed space in the lower end of part 74.

The external 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, the space forms multiple discharge space 76A~76L.Here, it is formed with the rod for the insertion of pole member 74 Through hole 77b multiple (being 11 here) rod insertion baffle plates 77 are inserted into current divider housing from the side of current divider housing 71 In 71, multiple discharge space 76A~76L are formed using multiple rod insertion baffle plates 77.Here, rod insertion baffle plate 77 is to be formed with half The board member of the edge 77a of arc-shaped toroidal, it is inserted into the side from current divider housing 71 along vertical shape Engagement is brazed in the state of into the insertion groove gap 72c of the side in current divider collector cylindrical body 72.Thus, pole member 74 exists It is configured in along in the state of the rod through hole 77b of the multiple rod insertion baffle plates 77 of vertical insertion in current divider housing 71. In addition, in fig. 13, the lower end of pole member 74 from current divider housing 71 is inserted into, but it is also possible to from the upper end of current divider housing 71 It is inserted into.So, 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 Rod insertion baffle plate 77 is separated into multiple discharge space 76A~76L along vertical.

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

Coolant flow divider 70 is provided with rod positioning baffle 74c (rod positioning element), the rod positioning baffle is used for rod Part 74 is positioned relative to the circumferential locations of current divider housing 71.Same, the rod positioning baffle with rod insertion baffle plate 77 74c is the board member for the toroidal for being formed with the rod through hole 74d for supplying the insertion of pole member 74 and the edge 74e of semicircle arcuation, its It is inserted into from the side of current divider housing 71.Here, rod positioning baffle 74c is being inserted into shape from the side of current divider housing 71 In the state of into the insertion groove gap 72a of the upper end in current divider collector cylindrical body 72 with side distributing damper 73 up and down overlappingly It is brazed engagement.Thus, the upper end of pole member 74 turns into following state：Insertion rod positioning baffle 74c rod through hole 74d, and And multiple shunting road 74A~74L upper end is by the distributing damper of side up and down 73 with being overlapped on the upside of rod positioning baffle 74c Closing.Here, chis of the insertion groove gap 72a with this two side of side distributing damper 73 and rod positioning baffle 74c above and below being inserted into It is very little.In addition, being formed with oriented side holding section 74f in rod positioning baffle 74c, the oriented side holding section is by from rod through hole 74d's Periphery is constituted towards the convex form of inner circumferential side.Also, it is formed with rod side holding section 74g, the rod in the upper side of pole member 74 Side holding section with the oriented side holding section 74f concave shapes engaged by constituting.Here, oriented side holding section 74f and rod side holding section 74g formation is in circumferential locations corresponding with shunting road 74L.Also, pole member 74 is configured in current divider housing 71, rod Positioning baffle 74c is inserted into insertion groove gap 72a, turns into the state of engaging by two holding section 74f, 74g, so that pole member 74 are positioned relative to the circumferential locations of current divider housing 71.Also, rod positioning baffle 74c lower surface be formed with by The mistake dress preventing portion 74h that convex form downward is constituted.Here, dress preventing portion 74h is formed at flat tongue 74i by mistake, The tongue is towards from edge 74e towards insertion groove gap 72a direction of insertion, nearby side is protruded.

In current divider housing 71, the space opposed with the lower end of pole member 74 is separated into importing space 78 and shunting The mode in space 75 is provided with spray nozzle part 79, and the spray nozzle part is formed with nozzle bore 79a, and the importing space is imported through liquid refrigerating Agent pipe 35 and the refrigerant flowed into, the shunting space 75 guides refrigerant to multiple shunting road 74A~74L.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, the nozzle bore 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, with nozzle body 79b and nozzle supporting baffle 79c.Nozzle master Body 79b is the circular board member for being formed with nozzle bore 79a.Nozzle body 79b external diameter current divider housing 71 internal diameter with Under, the nozzle body is together inserted into current divider housing 71 from below with pole member 74.In nozzle body 79b, in rod 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 constituted.Here, by making the lower end of pole member 74 be abutted with pole member side end face 79d, so as to form shunting Space 75.Here, it is formed with the lower end of pole member 74 by inlet portion 74b, this is by inlet portion by multiple shunting road 74A~74L Surround and opposed with nozzle bore 79a, nozzle bore 79a aperture area is more than by inlet portion 74b area.In addition, in rod portion Part side end face 79d is formed with rod embedded division 79f, and the rod embedded division is by one end of the length direction for pole member 74 (under being here End) embedded convex form constitutes.Misplaced thereby, it is possible to suppress pole member 74 and nozzle body 79b to side.In addition, in nozzle Main body 79b lower surface is formed with stage portion 79h, and the stage portion is by being fitted to nozzle supporting baffle 79c step embedded hole 79g In convex form constitute.On the other hand, in the same manner as rod insertion baffle plate 77, nozzle supporting baffle 79c is to be formed with step to be fitted together to Hole 79g and the edge 79i of semicircle arcuation circular board member, it is inserted into from the side of current divider housing 71.Here, nozzle Supporting baffle 79c is inserted into current divider housing 71 through being formed at the insertion groove gap 72d of the side of current divider housing 71.Enter And, the state at the upper places of ratio insertion groove gap 72d being inserted into pole member 74 and nozzle body 79b in 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 moved downwards, It is fitted to so as to nozzle body 79b stage portion 79h in nozzle supporting baffle 79c step embedded hole 79g, and and pole member 74 and nozzle body 79b is together brazed engagement.

The lower end side (that is, the side than spray nozzle part 79 on the lower) of liquid refrigerant pipe 35 and current divider housing 71 connects Connect, refrigerant is flowed into importing space 78.Here, the spray nozzle part from nozzle bore 79a opening direction (i.e. vertical) 79 and during liquid refrigerant pipe 35, liquid refrigerant pipe 35 is inserted into importing space 78 in the mode overlapping with nozzle bore 79a It is interior.Specifically, liquid refrigerant pipe 35 through be formed at the liquid pipe connecting hole 72e of the lower end side of current divider housing 71 and transverse direction Ground is inserted into importing space 78.Here, it is insertion that the part imported in space 78 is inserted into liquid refrigerant pipe 35 Pipe portion 35a.Here, the center during top view of current divider housing 71, therefore, insertion pipe portion 35a are located at due to nozzle bore 79a Central position of end when being at least inserted into the top view for crossing current divider housing 71, here, by liquid refrigerant Pipe 35 is inserted into importing space 78 until (being opposed with liquid pipe connecting hole 72e here with the inner surface of current divider housing 71 Inner surface) abut.Also, here, it is blocked as the pipe end hole 35b of the opening of insertion pipe portion 35a end, in insertion tube Portion 35a top, with when the spray nozzle part 79 from nozzle bore 79a opening direction and liquid refrigerant pipe 35 with nozzle bore 79a Overlapping mode is formed with refrigerant entrance hole 35c.Here, by installing the rivet 35d (pipe end plug members) of column, so that Pipe end hole 35b and from refrigerant entrance hole 35c to pipe end hole 35b space be blocked.In addition, by pipe end hole 35b and The method blocked from refrigerant entrance hole 35c to pipe end hole 35b space is not limited to by rivet 35d, it is also possible that：It is logical Cross and centrifugation processing (processing of ス パ Application) is implemented to the end for inserting pipe portion 35a or presses processing (ピ Application チ processing), so that will pipe End aperture 35b and from refrigerant entrance hole 35c to pipe end hole 35b space block.In addition, here, refrigerant entrance hole 35c Aperture area be more than nozzle bore 79a aperture 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 be connected with the bottom of inlet manifold 80.That is, multiple link road 88A~88L are from many by refrigerant The part that individual discharge space 76A~76L is guided to multiple supply space 86A~86L.So, liquid refrigerant pipe 35, be used as system Bottom, coolant flow divider 70 and the multiple companies for forming multiple link road 88A~88L of the inlet manifold 80 of cryogen supply unit Adapter 88 as will be sent to by liquid refrigerant pipe 35 and the refrigerant that flows into multiple refrigerant path 65A in downstream~ 65L (the multiple heat-transfer pipes 63 being made up of flat tube) refrigerant flow dividing structure 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 used for refrigerant point The coolant flow divider in downstream is flowed and is sent to, it has current divider housing 71 and pole member 74.Current divider housing 71 is in lead The hollow housing that vertical side upwardly extends, is internally formed with the multiple discharge space 76A~76L configured along vertical, Refrigerant is flowed into from multiple discharge space 76A~76L lower section.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 along the circumferential direction configured and makes multiple shunting road 74A Multiple rod lateral aperture 74a (access) that~74L is connected with multiple discharge space 76A~76L, are flowed into current divider housing 71 Refrigerant be sent to by multiple shunting road 74A~74L and multiple rod lateral aperture 74a in multiple discharge space 76A~76L. Also, here, it is provided with for determining relative to the rod that the circumferential locations of current divider housing 71 are positioned pole member 74 Position baffle plate 74c (rod positioning element).Specifically, here, rod side holding section 74g is formed with pole member 74, positions and keep off in rod Plate 74c is formed with the oriented side holding section 74f engaged with rod side holding section 74g.

Therefore, here, the circumferential locations due to pole member 74 relative to current divider housing 71 are positioned, accordingly, it is capable to Enough account for the refrigerant that is flowed into current divider housing 71 to multiple shunting road 74A~74L of pole member 74 flow into when Bias current tendency design.

Thus, here, multiple shunting road 74A~74L can be configured in the circumferential locations according to design, and can Desired heat exchange performance is obtained in outdoor heat converter 23.

<B>

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

Thus, here, can with make the insertion rod positioning baffle 74c of pole member 74 rod through hole 74d operation simultaneously Oriented side holding section 74f is set to engage with rod side holding section 74g.

<C>

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

Here, suppose that making the insertion of pole member 74 in the state of rod positioning baffle 74c upper and lower surface is mistaken The upper end of pole member 74 can be covered using side distributing damper 73 up and down in rod positioning baffle 74c rod through hole 74d 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 (reference picture 18).So, correspondingly, with the rod for the shunting road 74L for being formed at pole member 74 Side holding section 74g engages, and rod side holding section 74g is also disposed in the circumferential locations different from defined circumferential locations On, as a result, multiple shunting road 74A~74L of pole member 74 can not configure in the circumferential locations according to design (ginseng According to Figure 18).

In contrast, here, as shown in Figure 13 and Figure 18, preventing portion is filled by mistake in rod positioning baffle 74c lower surface formation 74h, makes pole member 74 run through rod positioning baffle in the state of rod positioning baffle 74c upper surface and lower surface are mistaken When in 74c rod through hole 74d, dress preventing portion 74h is directed towards the convex form of top by mistake, and it is dry with side distributing damper 73 up and down Relate to and side distributing damper 73 covers pole member 74 above and below can not making upper end.Specifically, filled in rod positioning baffle 74c mistake Preventing portion 74h is directed towards in the state of the convex form of top, and dress preventing portion 74h turns into obstacle by mistake, it is impossible to will side shunting up and down Baffle plate 73 is inserted into insertion groove gap 72a.

Thus, here, can prevent from installing in the state of rod positioning baffle 74c upper surface and lower surface are mistaken, That is the mistake dress of rod 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 The rod side holding section 74g constituted with rod lateral aperture 74a and by concave shape is formed at pole member 74 as other part, but does not limit In this.

For example, it is also possible to so：As shown in figure 19, rod side holding section 74g is long concave shape in vertical, makes rod Tops of positioning baffle 74c (rod positioning element) the oriented side holding section 74f only with rod side holding section 74g engages, and makes rod side card Conjunction portion 74g bottom plays a role as rod lateral aperture 74a.

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

<B>

In the coolant flow divider 70 of above-mentioned present embodiment, as shown in figure 17, rod positioning baffle 74c (rod location divisions Part) oriented side holding section 74f be from rod through hole 74d periphery towards the convex form of inner circumferential side, the rod 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 to so：As shown in figure 20, rod positioning baffle 74c (rod positioning element) oriented side holding section 74f It is the concave shape from rod through hole 74d periphery towards outer circumferential side, the rod 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, rod positioning baffle 74c (rod location divisions Part) only have to pole member 74 relative to the function that the circumferential locations of current divider housing 71 are positioned, pole member 74 Upper end is by side distributing damper 73 (rod cover) covering up and down.

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

Thus, here, the circumferential locations of rod positioning baffle 74c not only to pole member 74 relative to current divider housing 71 Positioned, additionally it is possible to play the function of the rod 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 along the circumferential direction configuring Multiple shunting road 74A~74L the bar-like member extended along vertical, but not limited to this.For example, it is also possible to so：Such as Shown in Figure 22 and Figure 23, by will be formed multiple shunting road 74A~74L multiple (being 12 here) capillary element 741A~ 741L along the circumferential direction harnesses, so as to constitute pole member 74.Here although not shown, but in the same manner as above-mentioned embodiment, many Individual capillary element 741A~741L side is formed with multiple rod lateral aperture 74a, multiple discharge space 76A~76L with multiple points Stream 74A~74L is connected by multiple rod lateral aperture 74a.Alternatively, it is also possible to so：As shown in figure 22, by multiple tubules The part that part 741A~741L is surrounded sets center bar 742, and the lower end for making the center bar 742 is by inlet portion 74b.In addition, It may not be center barred body 742 but as shown in figure 23, be available in multiple capillary element 741A~741L lower end setting many The spacer body 743 of individual capillary element 741A~741L insertions, the middle body for making the spacer body 743 is by inlet portion 74b.

<E>

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

<F>

In the outdoor heat converter 23 of coolant flow divider 70 of above-mentioned embodiment is employed, list by flat tube The heat-transfer pipe 63 of composition is only 1 row when overlooking, is illustrated along exemplified by the structure of vertical configuration multilayer, but is not limited to This.For example, it is also possible to be the structure for configuring multilayer when overlooking as shown in figure 26 along vertical for 2 heat-transfer pipes 63 arranged. In this case, because one end (right-hand member) 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 applicability

Present invention is generally applicable to following coolant flow divider：It is formed with the multiple shuntings along the circumferential direction configured The pole member configuration on road is being formed with the current divider housing in multiple discharge spaces, is flowed into the refrigerant warp in 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 side distributing dampers (rod cover)

74 pole members

74a access (rod lateral aperture)

74c rod positioning elements

74d rod through holes

74f oriented sides holding section

74g rods side holding section

74h fills preventing portion by mistake

74A~74L shunts road

76A~76L discharges space

Prior art literature

Patent document

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

Claims (5)

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

The coolant flow divider possesses：

Current divider housing (71), it is the hollow housing extended in vertical, has been internally formed along vertical and has matched somebody with somebody The multiple discharge spaces (76A~76L) put, the refrigerant is flowed into from the lower section in the multiple discharge space；With

Pole member (74), it is disposed on the bar-like member extended along vertical in the current divider housing, is formed with edge 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), the refrigerant being flowed into the current divider housing passes through the multiple shunting road and described many Individual access and be sent in the multiple discharge space,

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

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

Rod side holding section (74g) is formed with the pole member (74),

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

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

The rod through hole (74d) for the pole member (74) insertion is formed with the rod positioning element (74c),

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

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

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

The coolant flow divider is also equipped with rod cover (73), and the rod cover covers the upper end of the pole member (74),

The upper surface of the rod positioning element (74c) is abutted with the lower surface of the rod cover,

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

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

The rod positioning element (74c) covers the upper end of the pole member (74),

The oriented side holding section (74f) is from the lower surface of rod positioning element convex form downward or from the rod The concave shape of the lower surface of positioning element upward,

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