CN205641231U - Refrigeration cycle device - Google Patents

Abstract

The utility model provides a refrigeration cycle device, include: a plurality of independent refrigerant circuit, and contain the electrical equipment unit of a plurality of control parts of going on singly controlling to refrigerant circuit. The electrical equipment unit has a plurality of rooms of acceping of acceping the control part, is setting up at least one electric fan who cools off the control part according to refrigerant circuit's operational situation in respectively acceping the room. The utility model discloses can optionally the electric fan that corresponds of drive and the refrigerant circuit's of in operation control part, can improve the power saving effect to can prevent that the dust from piling up in the control part.

Description

Freezing cycle device

Technical field

Embodiment of the present utility model relates to a kind of freezing cycle device with multiple independent coolant loop.

Background technology

Carry heat exchange unit the most so-called cooling (chilling) unit of multiple independent coolant loop, including to multiple cold Multiple control portions that matchmaker loop is individually controlled.Each control portion such as has such as inverter (inverter) circuit, power supply mould Block (power module) and the big electric parts of reactor (reactor) such caloric value, described electric parts is contained in one In individual electronic box.

And then, existing cooling unit arranges multiple electric fan at electronic box.Electric fan is to be forced in the control portion of heating The key element of cooling, even if the coolant loop of a system shuts down, as long as other coolant loop remain in operation the most all of electronic Fan is driven the most continuously.

[prior art literature]

[patent documentation]

[patent documentation 1] Japanese Patent Laid-Open 2014-178113 publication

Utility model content

[utility model problem to be solved]

According to existing cooling unit, even if several in multiple coolant loop stopped operating, with the control portion that need not cooling Corresponding electric fan also may proceed to be driven.Therefore, it is impossible to the consumption of suppression electric power, still have in terms of propulsion energy-saving and change Kind leeway.

Additionally, whole electric fans continue to be driven, so can suck in electronic box because of unrelated with the operational situation of coolant loop The air crossed.Its result, it is impossible in avoiding in air the contained dust stage to be in early days stranded in electronic box or be attached to control Portion, thus become and cause the mistake in control portion to be run or a factor of breakage.

The purpose of this utility model is to obtain following freezing cycle device, i.e. can optionally drive with operate in cold The electric fan that the control portion in matchmaker loop is corresponding, it is possible to increase power saving effect, and it is prevented from dust accretions in control portion.

[solving the technological means of problem]

The freezing cycle device of embodiment includes: multiple independent coolant loop；And electrical appliance, comprise described Multiple control portions that coolant loop is individually controlled, described electrical appliance has the multiple collectings housing described control portion Room, and arrange in described each reception room that described control portion is cooled down by the operational situation according to described coolant loop at least one Individual electric fan.

And, described each reception room of the freezing cycle device of embodiment is divided into first area and second area, and Described first area and described second area house the electric parts constituting described control portion, and described electric fan is configured to suction Air in described first area and described second area.

And, the described electrical appliance of the freezing cycle device of embodiment described first area and described second area it Between there is the ventilation path that the suction side with described electric fan is connected, with heating described electric parts hot linked fin dew For in described ventilation path.

And, the freezing cycle device of embodiment also includes the framework forming the Machine Room housing described electrical appliance, Described reception room has the passage at described Machine Room opening, and described framework has outside the upstream extremity with described ventilation path connects Conductance entrance.

And, the described framework of the freezing cycle device of embodiment includes that framework, described framework comprise: be placed in the face of setting it On lower structures, be configured at the upper structure of the top of described lower structures, and by described lower structures and institute Stating the multiple vertical bars linked between upper structure, described exogenous QI introducing port is formed at described lower structures.

And, described each coolant loop of the freezing cycle device of embodiment comprises and is arranged on described electrical appliance Air heat exchanger portion, described air heat exchanger portion includes: be spaced apart interval and a pair air heat exchanger in opposite directions, shape Exhaust channel between air heat exchanger described in Cheng Yu and being guided by described air heat exchanger to described aerofluxus is led to The fan of the air on road upwards aerofluxus.

And, the described electric fan of the freezing cycle device of embodiment is configured at the upper surface of described electrical appliance, and And towards the described exhaust channel aerofluxus in described air heat exchanger portion.

And, the freezing cycle device of embodiment configures between described electrical appliance and described air heat exchanger portion Drain pan (drain pan), forms gap between the edge of described drain pan and described framework, and described electric fan is joined It is placed in the lower section in described gap.

Hereby it is possible to provide power saving effect to improve, and it is prevented from dust accretions freezing cycle device in control portion.

Accompanying drawing explanation

Fig. 1 is the axonometric chart of the air-cooled type heat pump cooling unit (heat pump chilling unit) of embodiment.

Fig. 2 is the axonometric chart of the state that Machine Room is open from the air-cooled type heat pump cooling unit of left sides embodiment.

Fig. 3 is to observe the axonometric chart of the state that Machine Room is open the air-cooled type heat pump cooling unit of embodiment from right side.

Fig. 4 is the loop diagram of the freeze cycle of the air-cooled type heat pump cooling unit representing embodiment.

Fig. 5 be the air-cooled type heat pump cooling unit representing embodiment is contained in the first freeze cycle unit of Machine Room, second The plane graph of the position relationship of freeze cycle unit, water loop and electrical appliance.

Fig. 6 is standing of representing by the position relationship decomposition of Machine Room in the air-cooled type heat pump cooling unit of embodiment and drain pan Body figure.

Fig. 7 is the axonometric chart air heat exchanger section solution used in the air-cooled type heat pump cooling unit of embodiment represented.

Fig. 8 is the axonometric chart of the electrical appliance used from the air-cooled type heat pump cooling unit of left sides embodiment.

Fig. 9 is the axonometric chart observing the electrical appliance used the air-cooled type heat pump cooling unit of embodiment from right side.

Figure 10 is the plane graph of the electrical appliance unloaded by blower-casting.

Figure 11 is the sectional view of the electrical appliance of the flow path representing the air in the first reception room.

Figure 12 is the axonometric chart of the electrical appliance of the flow path representing the air in the first reception room and the second reception room.

Figure 13 is the side view of the electrical appliance of the flow path representing the air in the first reception room and the second reception room.

Figure 14 is electrical appliance, drain pan and air heat exchanger portion in the air-cooled type heat pump cooling unit representing embodiment The sectional view of position relationship.

Figure 15 is the side view of the layout of the multiple electric parts roughly representing the first area being configured at the first reception room.

Figure 16 is the side view of the layout of the multiple electric parts roughly representing the second area being configured at the first reception room.

Figure 17 is the block chart of the control system representing the first freeze cycle unit and the second freeze cycle unit.

Figure 18 is the axonometric chart of the first TU Trunk Unit used in the air-cooled type heat pump cooling unit of embodiment.

Reference:

1: air-cooled type heat pump cooling unit

2: framework

3: the first freeze cycle unit

4: the second freeze cycle unit

5: water loop

6: electrical appliance

7: framework

8: lower structures

8a, 8b: long limit

8c, 8d: minor face

9: upper structure

9a, 9b: long limit

9c, 9d: minor face

10: vertical bar

12,115a, 115b: side plate

13a: the first end plate

13b: the second end plate

14,31,114: base plate

15: Machine Room

20: compressor

21: cross valve

21a: the first port

21b: the second port

21c: the three port

21d: the four port

22: air heat exchanger portion

23a, 23b: expansion valve

24: reservoir

25: water heat exchanger

25a: the first refrigerant flow

25b: the second refrigerant flow

25c: current road

26: gas-liquid separator

27: closed circuit

28: ejection pipe arrangement

29a, 29b: air heat exchanger

30: fan

32a, 32b: shield

33: exhaust channel

35: fan base

36: top board

37: air vent

39: drain pan

40: gap

41a, 41b, 43,44: pipe arrangement

42: set pipe arrangement

46: bypass pipe arrangement

47: electromagnetic valve

50: water-circulating pump

51a: the first water pipe arrangement

51b: the second water pipe arrangement

51c: the three water pipe arrangement

51d: the four water pipe arrangement

60: electronic box

61: control chamber

62: bottom panel

63a: Left-Hand Panel

63b: right panel

64: front panel

65: backplate

66a, 66b: the first dividing plate

68,69: reception room (the first reception room, the second reception room)

68a, 69a: first area

68b, 69b: second area

70a, 70b: second partition

71: the first ventilation path

72: entrance hole

73: vent path

74: exogenous QI introducing port

75,77: passage

76: the second ventilation path

80,81: control portion (the first control unit, the second control unit)

82a, 82b: control substrate

83: power module

84: smoothing capacity device

85: reactor (reactor)

86a, 86b: filter substrate

87a, 87b: fan control substrate

88: terminal board

89: electromagnetic contactor

90: fin

91: radiating fin

93: guidance panel

94: controller

100: fan unit

100a: blower-casting

101a, 101b, 101c, 101d: electric fan

102a, 102b: top board

103,106: fan room

104,107: rising portions

105,108: peristome

110: the first TU Trunk Units

111: the second TU Trunk Units

112: electric parts case

113: gripper shoe

117: interposer

118: electric parts

120: the first electric wires

121: the second electric wires

122: the three electric wires

D: depth size

The direction in F: front

G: face is set

P1: the first pressure transducer

P2: the second pressure transducer

P3: the three pressure transducer

The direction at R: the back side

RA, RB, RC, RD: coolant loop is (the first coolant loop, the second coolant loop, the 3rd coolant loop, the 4th cold Matchmaker loop)

T1: the first temperature sensor

T2: the second temperature sensor

T3: the three-temperature sensor

T4: the four temperature sensor

T5: the five temperature sensor

W: width dimensions

Detailed description of the invention

Hereinafter, referring to the drawings embodiment is illustrated.

Fig. 1 to Fig. 3 is the axonometric chart of the air-cooled type heat pump cooling unit 1 generating such as cold water or warm water, and Fig. 4 is to represent air cooling The loop diagram of the freeze cycle of formula heat pump cooling unit 1.Air-cooled type heat pump cooling unit 1 is an example of freezing cycle device, can Utilize refrigerating mode and heating mode operating.

As shown in Figure 1 to Figure 3, air-cooled type heat pump cooling unit 1 includes following as staple, i.e. framework 2, has cold The first freeze cycle unit 3 (with reference to Fig. 3) in matchmaker loop, has the second freeze cycle unit 4 (with reference to Fig. 3) of coolant loop, Water loop 5 (with reference to Fig. 3) and electrical appliance 6 (with reference to Fig. 2, Fig. 3).In the following description, by cold for air-cooled type heat pump But unit 1 referred to as cooling unit 1.

Framework 2 is to be placed in the key element being horizontally disposed with on the G of face as such in the roof of such as building, is formed as depth size Hollow box like more much larger than width dimensions W for D.The framework 2 of present embodiment possesses framework 7.Framework 7 comprises substructure Body 8, upper structure 9 and multiple vertical bar 10.

Lower structures 8 and upper structure 9 are respectively formed as the elongated frame-shaped extended along the depth direction of framework 2.Lower junction Structure body 8 has the long a pair limit 8a in the depth direction along framework 2, long limit 8b and short a pair of the width along framework 2 Limit 8c, minor face 8d.

Similarly, upper structure 9 has the long a pair limit 9a in the depth direction along framework 2, long limit 9b and along framework 2 Pair of short edges 9c of width, minor face 9d.Along framework 2 depth direction lower structures 8 length dimension and on The length dimension of structures 9 is mutually the same, but along under the length dimension ratio of the upper structure 9 of the width of framework 2 The length dimension of structures 8 is short.

Vertical bar 10 is spaced apart interval in the way of linking between lower structures 8 and upper structure 9 and arranges.Framework 2 Width on vertical bar 10 in opposite directions with along with from lower structures 8 to before the direction of upper structure 9 and then approximating Mode tilts.

Therefore, when the direction R at the direction F from front and the back side observes framework 2, framework 7 is formed as from lower structures 8 The front end that width dimensions W becomes narrow gradually towards upper structure 9 attenuates shape.

Right flank and the left surface of framework 7 are covered by multiple side plates 12.The front of framework 7 is covered by the first end plate 13a.Framework The back side of 7 is covered by the second end plate 13b.Side plate the 12, first end plate 13a and the second end plate 13b can be supported in frame with unloading Frame 7.

The methods such as the base plate 14 shown in Fig. 5 and Fig. 6 utilizes welding or spiral shell admittedly are fixed on lower structures 8.Base plate 14 and side plate 12, the first end plate 13a and the second end plate 13b collaborates and is internally formed Machine Room 15 in framework 2.Frame is crossed in Machine Room 15 The total length along depth direction of body 2 and extend.

As shown in Figures 4 and 5, the first freeze cycle unit 3 comprises the first coolant loop RA independent of each other and the second coolant returns Road RB.Second freeze cycle unit 4 comprises the 3rd coolant loop RC and the 4th coolant loop RD independent of each other.

First to fourth coolant loop RA, coolant loop RB, coolant loop RC, coolant loop RD have the most common structure Become, thus illustrate with the first coolant loop RA for representative, for the second to the 4th coolant loop RB, coolant loop RC, Coolant loop RD encloses identical reference marks, and the description thereof will be omitted.

First coolant loop RA includes following as staple, i.e. the compressor 20 of ability changeable type, and cross valve 21 is empty Gas-heat exchanger portion 22, a pair expansion valve 23a, expansion valve 23b, reservoir (receiver) 24, water heat exchanger 25 and gas Liquid/gas separator 26.The plurality of key element connects via the closed circuit 27 for refrigerant circulation.

As shown in Figure 4, the ejiction opening of compressor 20 is connected to the first port of cross valve 21 via ejection pipe arrangement 28 in concrete narration 21a.Arrange on ejection pipe arrangement 28: the first pressure transducer P1, cold to the gas phase of the High Temperature High Pressure sprayed from compressor 20 The pressure of matchmaker detects；And the first temperature sensor T1, the temperature of the gas phase refrigerant of High Temperature High Pressure is detected.

Second port 21b of cross valve 21 is connected to air heat exchanger portion 22.The air heat exchanger portion 22 of present embodiment Possess a pair air heat exchanger 29a, air heat exchanger 29b and fan 30.

As it is shown in fig. 7, air heat exchanger 29a, air heat exchanger 29b obtain with the posture erected on base plate 31 respectively To supporting.Air heat exchanger 29a, air heat exchanger 29b on the width of framework 2 interval and in opposite directions, and Tilt to along with direction before upward and then away from each other.Air heat exchanger 29a, air heat exchanger 29b edge between Gap closed by a pair shield 32a, shield 32b.By shield 32a, shield 32b and air heat exchanger 29a, The space that air heat exchanger 29b surrounds constitutes the exhaust channel 33 extended in the vertical direction.

Fan 30 in the way of being positioned at the upper end of exhaust channel 33, be supported in via fan base 35 air heat exchanger 29a, Between the upper end of air heat exchanger 29b.Additionally, fan 30 is covered by top board 36.Top board 36 has and fan 30 phase To cylindric air vent 37.

In this kind of air heat exchanger portion 22, if fan 30 is driven, then exogenous QI is by air heat exchanger 29a, air warm Exchanger 29b and be drawn into exhaust channel 33.The exogenous QI being drawn into exhaust channel 33 is attracted to top towards air vent 37, And discharge from this air vent 37 to the top in air heat exchanger portion 22.

The cooling unit 1 of present embodiment because of have first to fourth coolant loop RA, coolant loop RB, coolant loop RC, , so there are four groups of air heat exchanger portions 22 in coolant loop RD.Four groups of air heat exchanger portions 22 are with the top in framework 2 The posture erected on structure 9 is fixed, and is arranged in string along the depth direction of framework 2.

The drain pan 39 accepting condensed water etc. is configured in the lower section in four groups of air heat exchanger portions 22.As shown in Fig. 6 and Figure 14, Drain pan 39 is to be inserted between the long limit 9a of upper structure 9, long limit 9b in the way of the upper end of Machine Room 15.Drain pan 39 cross over the total lengths along depth direction of frameworks 2 and extend.The both side edges along depth direction at drain pan 39 is tied with top It is respectively provided with gap 40 between the long limit 9a of structure body 9, long limit 9b.Gap 40 leads to Machine Room 15 and air heat exchanger The exhaust channel 33 in portion 22.

As shown in Figure 4, air heat exchanger 29a, the entrance of air heat exchanger 29b are connected in parallel in the second of cross valve 21 Port 21b.Air heat exchanger 29a, air heat exchanger 29b entrance near be respectively provided with the second temperature sensor The temperature of T2, this second temperature sensor T2 gas phase refrigerant to being flowed into air heat exchanger 29a, air heat exchanger 29b Detect.

Air heat exchanger 29a, the outlet of air heat exchanger 29b are connected to have expansion valve 23a, the pipe arrangement of expansion valve 23b 41a, pipe arrangement 41b.Pipe arrangement 41a, pipe arrangement 41b collaborate each other in the downstream of expansion valve 23a, expansion valve 23b, and are connected to A piece set pipe arrangement 42.Set pipe arrangement 42 is connected to the 3rd end of cross valve 21 via reservoir 24 and water heat exchanger 25 Mouth 21c.

4th port 21d of cross valve 21 is connected to the suction side of compressor 20 via gas-liquid separator 26.By cross valve 21 The pipe arrangement 43 that links of the entrance of the 4th port 21d and gas-liquid separator 26 on, three-temperature sensor T3 is set, this is the years old The temperature of the three-temperature sensor T3 gas-liquid two-phase coolant to being directed to gas-liquid separator 26 detects.

Additionally, on the pipe arrangement 44 linked the suction side of the outlet of gas-liquid separator 26 with compressor 20, arrange the second pressure The pressure of the gas phase refrigerant of force transducer P2, this second pressure transducer P2 low-temp low-pressure to being drawn into compressor 20 is examined Survey.

Bypass pipe arrangement 46 is arranged between gas-liquid separator 26 and cross valve 21.Bypass pipe arrangement 46 going out gas-liquid separator 26 Link between mouth and the first port 21a of cross valve 21, the electromagnetic valve 47 of closed type is set in the midway of this bypass pipe arrangement 46.

According to present embodiment, water heat exchanger 25 includes the first refrigerant flow 25a, the second refrigerant flow 25b and current road 25c. First refrigerant flow 25a of water heat exchanger 25 joins in the set being connected to the first coolant loop RA than reservoir 24 place downstream Pipe 42.Second refrigerant flow 25b of water heat exchanger 25 is connected to have the second of the composition identical for coolant loop RA with first The set pipe arrangement 42 of coolant loop RB.Therefore, in the first freeze cycle unit 3, the first coolant loop RA and the second coolant Loop RB has a water heat exchanger 25.

Similarly, in the second freeze cycle unit 4, also by the 3rd coolant loop RC in the way of having a water heat exchanger 25 And the 4th coolant loop RD be connected in parallel in a water heat exchanger 25.Therefore, cooling unit 1 possesses two water heat exchangers 25。

The various key elements in addition to four groups of air heat exchanger portions 22 in first freeze cycle unit 3 and the second freeze cycle unit 4 It is contained in the Machine Room 15 of framework 2.If specifically described, then as shown in Fig. 2, Fig. 3 and Fig. 5, comprise the first coolant loop After the first freeze cycle unit 3 of RA and the second coolant loop RB is configured at the Machine Room 15 of the rear side as framework 2 End.

Two compressors 20 of the first coolant loop RA and the second coolant loop RB with on the depth direction of framework 2 side by side Mode is placed on base plate 14.Two reservoirs 24 of the first coolant loop RA and the second coolant loop RB and two gas-liquids Separator 26 around compressor 20, by the depth direction of framework 2 side by side in the way of be placed on base plate 14 (ginseng According to Fig. 5).Additionally, the first coolant loop RA and second common for a coolant loop RB water heat exchanger 25 are with two The mode that platform reservoir 24 is adjacent is placed on base plate 14.

The the second freeze cycle unit 4 comprising the 3rd coolant loop RC and the 4th coolant loop RD is configured at the edge of Machine Room 15 The central part in depth direction.20, two reservoirs of two compressors of 3rd coolant loop RC and the 4th coolant loop RD 24, two gas-liquid separator the 26, the 3rd coolant loop RC and the 4th common for a coolant loop RD water heat exchanger 25 With the cloth identical with the compressor 20 of the first freeze cycle unit 3, reservoir 24, gas-liquid separator 26 and water heat exchanger 25 Office is placed on base plate 14.

Therefore, the first freeze cycle unit 3 and the second freeze cycle unit 4 in Machine Room 15 on the depth direction of framework 2 Side by side.Meanwhile, the winding path of the closed circuit 27 of the first freeze cycle unit 3 in Machine Room 15 and second freezing The winding path sharing each other of the closed circuit 27 of cycling element 4.

As shown in figures 2 and 5, water loop 5 is contained in together with the first freeze cycle unit 3 and the second freeze cycle unit 4 Machine Room 15.Water loop 5 includes following as main key element, i.e. the water-circulating pump 50 and first to fourth of ability changeable type Water pipe arrangement 51a, water pipe arrangement 51b, water pipe arrangement 51c, water pipe arrangement 51d.

Water-circulating pump 50 is placed on base plate 14 in the way of being positioned at the rearward end of Machine Room 15, with the first freeze cycle unit The water heat exchanger 25 of 3 is adjacent.Such as air conditioner etc. is utilized water out and the water-circulating pump 50 of equipment side by the first water pipe arrangement 51a Suction inlet between connect.

Second water pipe arrangement 51b is by the ejiction opening of water-circulating pump 50 and the current of the water heat exchanger 25 of the first freeze cycle unit 3 Connect between the 25c of road.Second water pipe arrangement 51b arranges the 3rd pressure transducer P3 detecting hydraulic pressure and to water temperature Carry out the 4th temperature sensor T4 detected.

3rd water pipe arrangement 51c is by the current road 25c of the water heat exchanger 25 of the first freeze cycle unit 3 and the second freeze cycle list It is connected in series between the current road 25c of the water heat exchanger 25 of unit 4.3rd water pipe arrangement 51c is arranged water temperature is examined The 5th temperature sensor T5 surveyed.

4th water pipe arrangement 51d is by the current road 25c of the water heat exchanger 25 of the second freeze cycle unit 4 and the water utilizing equipment side Connect between entrance.4th water pipe arrangement 51d arranges the 4th pressure transducer P4 detecting hydraulic pressure and water temperature is entered 6th temperature sensor T6 of row detection.

As shown in Fig. 2, Fig. 3 and Fig. 5, electrical appliance 6 is to be positioned at before the Machine Room 15 of the face side of framework 2 The mode of end is placed on base plate 14.Electrical appliance 6 is adjacent with the second freeze cycle unit 4 in Machine Room 15. Therefore, first freeze cycle unit the 3, second freeze cycle unit 4 and electrical appliance 6 are along the depth side of Machine Room 15 To being arranged in string.

As shown in Fig. 8 to Figure 13, the electrical appliance 6 of present embodiment possesses electronic box 60 and control chamber 61.Electronic box 60 is The key element of four square box shapes, has bottom panel 62, the side panel 63a of left and right, side panel 63b (with reference to Figure 11), front panel 64 And backplate 65 (with reference to Figure 12).The methods such as bottom panel 62 utilizes spiral shell solid are fixed on the base plate 14 of framework 2.

A pair first dividing plate 66a of the inner utilization of electronic box 60, the first dividing plate 66b and be divided into the first reception room 68 and second and house Two Room of room 69.First dividing plate 66a, the first dividing plate 66b between side panel 63a, side panel 63b along the width side of framework 2 To extension, and be spaced apart interval and in opposite directions.Therefore, the first reception room 68 and the second reception room 69 are in the depth of framework 2 On direction side by side.

In other words, the first reception room 68 is positioned at the face side of framework 2 in Machine Room 15, and the second reception room 69 is in Machine Room The second freeze cycle unit 4 side it is positioned in 15.

As shown in Figures 10 and 11, the first reception room 68 utilizes a pair second partition 70a, second partition 70b and is divided into One region 68a and second area 68b.Second partition 70a, second partition 70b at the central part of the first reception room 68 from electronic box The bottom panel 62 of 60 erects, and along the depth direction extension of framework 2.Therefore, first area 68a and second area 68b it Between across second partition 70a, second partition 70b on the width of framework 2 side by side.

Second partition 70a, second partition 70b are spaced apart interval and configure abreast.First ventilation path 71 be formed at second every Between plate 70a, second partition 70b.First ventilation path 71 extends along the short transverse of electronic box 60.First ventilation path 71 times End leads to the entrance hole 72 at bottom panel 62 opening.

As shown in figure 14, entrance hole 72 via base plate 14 opening in framework 2 intercommunicating pore 14a and with base plate 14 with arrange Vent path 73 between the G of face connects.Across vent path between the long limit 8a of the lower structures 8 of framework 2, long limit 8b 73 and in opposite directions.The position corresponding with electrical appliance 6 in the long limit 8a, long limit 8b of lower structures 8, respectively shape Become the exogenous QI introducing port 74 of multiple slit-shaped.Exogenous QI introducing port 74 is at cooling unit 1 outward opening, and via vent path 73, intercommunicating pore 14a and entrance hole 72 and lead to the upstream extremity of the first ventilation path 71.

Additionally, as can be seen from figures 8 and 9, at the side panel 63a of the electronic box 60 dividing first area 68a and second area 68b And first on dividing plate 66a (as shown in figure 11), form the multiple passages 75 at Machine Room 15 opening respectively.

Similarly, the second reception room 69 is also divided into first area 69a and second area 69b.First area 69a and the secondth district Territory 69b on the width of framework 2 side by side.The second ventilation path is formed between first area 69a and second area 69b 76 (with reference to Figure 10).Second ventilation path 76 extends in the same manner as the first ventilation path 71 in the short transverse of electronic box 60, and Exogenous QI introducing port 74 is led to via vent path 73.

Additionally, dividing the side panel 63a of electronic box 60 and the backplate 64 of first area 69a and second area 69b, formed Multiple passages 77 (Figure 13) at Machine Room 15 opening.

As shown in Figure 11 to Figure 13, house what the operating to the first freeze cycle unit 3 was controlled at the first reception room 68 First control unit 80.The second control that the operating to the second freeze cycle unit 4 is controlled is housed at the second reception room 69 Unit 81.

First control unit 80 and the second control unit 81 are respectively an example in control portion, have and are commonly constructed each other.Therefore, In present embodiment, illustrate for representative with the first control unit 80, the second control unit 81 is enclosed identical reference notation Number, and the description thereof will be omitted.

In Figure 11 to Figure 13, the first control unit 80 includes following various electric parts: pair of control substrate 82a (82b) (is joined According to Fig. 9), such as to be applied to the first coolant loop RA and the second coolant loop RB two compressors 20 voltage and frequency Rate is controlled；Such as inverter and the such multiple power modules 83 of transducer (converter)；Two smoothing capacity devices 84； Multiple reactors 85 of power-factor improvement；A pair filter substrate 86a, filter substrate 86b；A pair fan control substrate 87a(87b)；Multiple terminal boards 88 and multiple electromagnetic contactor 89.

Control substrate 82a, control substrate 82b, power module 83 and fan control substrate 87a, fan control substrate 87b operation In caloric value big, need to dispel the heat energetically.Therefore, in present embodiment, the fin of tabular 90 with control substrate 82a, Control substrate 82b, power module 83 and fan control substrate 87a, fan control substrate 87b thermally coupled (Figure 11).

Fin 90 is formed by the metal material of the such excellent thermal conductivity of such as aluminium alloy, has the short transverse along electronic box 60 The multiple radiating fins 91 extended.Radiating fin 91 through second partition 70a and be exposed in the first ventilation path 71.

It is conceptually shown in as in Figure 15, as controlled substrate 82a, controlling substrate 82b, power module 83, smoothing capacity device 84 and wind Fan control substrate 87a, the such electric parts of fan control substrate 87b are contained in the first area 68a of the first reception room 68.Control Substrate 82a processed, control substrate 82b, power module 83 and fan control substrate 87a, fan control substrate 87b with along second every The mode that plate 70a erects is supported in second partition 70a.

Additionally, be conceptually shown in as in Figure 16, such as reactor 85, filter substrate 86a, filter substrate 86b, terminal board 88 And electromagnetic contactor 89 other electric parts such are contained in the second area 68b of the first reception room 68.

As can be seen from figures 8 and 9, the control chamber 61 of electrical appliance 6 is installed on the front panel 64 of electronic box 60.Control chamber 61 Built-in power substrate and main control substrate (not shown), and include guidance panel 93 and controller 94.

And, as shown in Fig. 8 to Figure 13, fan unit 100 is installed on electronic box 60.Fan unit 100 includes elongated The blower-casting 100a of box like, and it is installed on four electric fan 101a, electric fans of the upper surface of blower-casting 100a 101b, electric fan 101c, electric fan 101d.

Blower-casting 100a is with the second area 69b's of the second area 68b and the second reception room 69 that cross over the first reception room 68 Mode extends along the depth direction of framework 2.Therefore, when observing electronic box 60 from the direction of the front F of framework 2, blower-casting 100a keeps left side skew along the central part of width to the ratio of electronic box 60.

Electric fan 101a, electric fan 101b, electric fan 101c, electric fan 101d in the depth direction of framework 2 every It is arranged in an open space.Electric fan 101a, electric fan 101b are to be positioned at the second area 68b of the first reception room 68 The mode of surface, with rotation axis is erect place in flat-hand position load blower-casting 100a.Electric fan 101c, Electric fan 101d, in the way of being positioned at the surface of the second area 69b of the second reception room 69, is put to be erect by rotation axis Put in flat-hand position load blower-casting 100a.Electric fan 101a, electric fan 101b, electric fan 101c, electronic Fan 101d is all towards the top aerofluxus of blower-casting 100a.

As shown in figure 12, the top at the second area 68b of the first reception room 68 is installed with top board 102a.Top board 102a is at this Between the upper surface of top board 102a and blower-casting 100a, regulation houses electric fan 101a, the fan room 103 of electric fan 101b.

Additionally, top board 102a has the rising portions 104 erected towards fan room 103.The peristome 105 of slit-shaped is formed at vertical Play portion 104.Peristome 105 extends along the width of electrical equipment framework 60, the second area 68b via this peristome 105 Communicate with each other with fan room 103.

As shown in figure 11, the top of the first area 68a of the first reception room 68 connects with fan room 103 in the inside of electronic box 60. Meanwhile, the top of the first ventilation path 71 also connects with fan room 103 in the inside of electronic box 60.

As shown in figure 12, the top at the second area 69b of the second reception room 69 is installed with top board 102b.Top board 102b is at this Divide between the upper surface of top board 102b and blower-casting 100a and house electric fan 101c, the fan room 106 of electric fan 101d.

Top board 102b has the rising portions 107 erected towards fan room 106.The peristome 108 of slit-shaped is formed at rising portions 107. Peristome 108 extends along the width of framework 2, and via this peristome 108, second area 69b is with fan room 106 each other Connection.

Additionally, the top of the first area 69a of the second reception room 69 connects with fan room 106 in the inside of electronic box 60.With this Meanwhile, the top of the second ventilation path 76 also connects with fan room 106 in the inside of electronic box 60.

As shown in figure 14, electric fan 101a, electric fan 101b, electric fan 101c, electric fan 101d are in air warm The lower section in exchanger portion 22, and between the lateral margin along depth direction and the long limit 9a of upper structure 9 of drain pan 39 Gap 40 in opposite directions.Therefore, from electric fan 101a, electric fan 101b, electric fan 101c, electric fan 101d to On the aerofluxus that blows afloat be flowed into the exhaust channel 33 between air heat exchanger 29a, air heat exchanger 29b by gap 40.

As shown in figure 17, the first control unit 80 in electronic box 60 when receiving instruction from the main control substrate of control chamber 61, Via the first TU Trunk Unit 110, the first coolant loop RA and the second coolant loop RB of the first freeze cycle unit 3 are controlled System.

Similarly, the second control unit 81 in electronic box 60 when receiving instruction from the main control substrate of control chamber 61, via The first coolant loop RC and the second coolant loop RD of the second freeze cycle unit 4 are controlled by the second TU Trunk Unit 111.

As shown in figures 2 and 5, the first TU Trunk Unit 110 and the second TU Trunk Unit 111 separate with electrical appliance 6 and join It is placed in Machine Room 15.First TU Trunk Unit 110 for example, makes the first coolant loop RA and the second coolant loop RB in order to obtaining The key element of information required during operating, is arranged at the position corresponding with the first freeze cycle unit 3 in Machine Room 15.This enforcement In mode, the first TU Trunk Unit 110 in Machine Room 15 with two gas of the first coolant loop RA and the second coolant loop RB Liquid/gas separator 26 is adjacent.

Second TU Trunk Unit 111 is in order to obtain the information making the 3rd coolant loop RC and the 4th coolant loop RD required when operating Key element, in Machine Room 15, be arranged at the position corresponding with the second freeze cycle unit 4.In present embodiment, the second relaying Unit 111 is adjacent with two gas-liquid separators 26 of the 3rd coolant loop RC and the 4th coolant loop RD in Machine Room 15, And it is positioned at than the first TU Trunk Unit 110 closer to the position of electrical appliance 6.

Therefore, the first TU Trunk Unit 110 is relative to the position relationship of the first freeze cycle unit 3 and the second TU Trunk Unit 111 phase Position relationship for the second freeze cycle unit 4 is mutually the same.

First TU Trunk Unit 110 and the second TU Trunk Unit 111 are commonly constructed each other because having, so with the first TU Trunk Unit 110 Illustrate for representing, the second TU Trunk Unit 111 is enclosed identical reference marks, and the description thereof will be omitted.

As shown in figure 18, the first TU Trunk Unit 110 has electric parts case 112.Electric parts case 112 for have gripper shoe 113, Base plate 114 and pair of side plates 115a, four square box shapes of side plate 115b.Gripper shoe 113 vertically erects in Machine Room 15, And the methods such as its upper end utilizes spiral shell solid are fixed on the long limit 9a of the upper structure 9 of framework 7.Base plate 114 is from gripper shoe 113 Lower edge highlight towards the side plate 12 of framework 2.Side plate 115a, side plate 115b from the both side edges of gripper shoe 113 towards framework 2 Side plate 12 highlight.Side plate 115a, side plate 115b front-end edge in order to avoid with tilt framework 2 side plate 12 interference and It is cut obliquely.

Interposer 117 is installed on the gripper shoe 113 of electric parts case 112.On interposer 117, multiple adapters etc. are installed Electric parts 118.Being conceptually shown in as in Figure 17, the interposer 117 of the first TU Trunk Unit 110 is via many first electric wires 120 And be connected with the various key elements constituting the first coolant loop RA and the second coolant loop RB.

As an example of the first electric wire 120, for be connected with two the first temperature sensor T1 of the first freeze cycle unit 3 two Root electric wire, four electric wires being connected with four the second temperature sensor T2 of the first freeze cycle unit 3, with the first freeze cycle Two electric wires that two three-temperature sensor T3 of unit 3 connect, pass with two the first pressure of the first freeze cycle unit 3 Two electric wires that sensor P1 connects, two electric wires being connected with two the second pressure transducer P2 of the first freeze cycle unit 3, Two electric wires being connected with two electromagnetic valves 47 of the first freeze cycle unit 3, with two four-ways of the first freeze cycle unit 3 Two electric wires that valve 21 connects, with the heater heated by the hermetic container of two compressors 20 of the first freeze cycle unit 3 Two electric wires connected, and four electric wires etc. being connected with four expansion valve 3a, the expansion valve 23b of the first freeze cycle unit 3.

First electric wire 120 identical with the first TU Trunk Unit 110 is connected to the interposer 117 of the second TU Trunk Unit 111.Additionally, Second TU Trunk Unit 111 is positioned at than the first TU Trunk Unit 110 closer to the side of electrical appliance 6 in Machine Room 15, because of And on the interposer 117 of the second TU Trunk Unit 111, be connected to and electric fan 101a, electric fan 101b, electronic wind Two electric wires that fan 101c, electric fan 101d connect.

In present embodiment, the first TU Trunk Unit 110 is single relative to the position relationship of the first freeze cycle unit 3 and the second relaying Unit 111 is mutually the same relative to the position relationship of the second freeze cycle unit 4.Therefore, cross over the first freeze cycle unit 3 with First electric wire 120 of distribution and leap the second freeze cycle unit 4 and the second TU Trunk Unit between first TU Trunk Unit 110 First electric wire 120 sharing each other of distribution between 111.

Therefore, the first corresponding with the first freeze cycle unit 3 electric wire 120 and corresponding with the second freeze cycle unit 4 first Electric wire 120 length is identical, and the winding path sharing the most each other in Machine Room 15.

Additionally, as shown in figure 17, the interposer 117 of the first TU Trunk Unit 110 is connected to via many second electric wires 121 The first control unit 80 in electronic box 60 and the main control substrate in control chamber 61.Similarly, in the second TU Trunk Unit 111 Master in the second control unit 81 that the substrate 117 that continues is connected in electronic box 60 via many 3rd electric wires 122 and control chamber 61 Control substrate.

The main control substrate of control chamber 61, will be with when guidance panel 93 (with reference to Fig. 8, Fig. 9) is operated by operator Operation content instructs output accordingly to the first control unit 80 and the second control unit 81.So-called with operate that content is corresponding to be instructed, The selection that refers to the such as operation mode of cooling unit 1, determination and the setting of operating frequency of the compressor 20 that should operate, should drive Dynamic electric fan 101a, electric fan 101b, electric fan 101c, the number of units etc. of electric fan 101d.

It follows that the operation to cooling unit 1 illustrates.

When being operated the guidance panel 93 of control chamber 61 by operator, main control substrate will be corresponding with operation content Instruction output is to the first control unit 80 and the second control unit 81.

The first control unit 80 and the second control unit is exported from main control substrate in such as instruction in order to make air-cooling system operate In the case of 81, the first control unit 80 via the first TU Trunk Unit 110 by the first coolant loop of the first freeze cycle unit 3 RA and the second coolant loop RB controls into and operates in the cooling mode.

Similarly, the second control unit 81 via the second TU Trunk Unit 111 by the 3rd coolant loop of the second freeze cycle unit 4 RC and the 4th coolant loop RD controls into and operates in the cooling mode.

In refrigerating mode, first to fourth coolant loop RA, coolant loop RB, coolant loop RC, the four of coolant loop RD Lead in valve 21 such as Fig. 4 shown in solid, with the first port 21a and the second port 21b connection, the 3rd port 21c and the 4th port The mode of 21d connection switches over.

Additionally, first to fourth coolant loop RA, coolant loop RB, coolant loop RC, the compressor of coolant loop RD 20 work, make the gas phase refrigerant of High Temperature High Pressure spray to closed circuit 27 from compressor 20.High from the high temperature of compressor 20 ejection The gas phase refrigerant of pressure is directed to air heat exchanger 29a, air heat exchanger 29b via cross valve 21.

Be directed to air heat exchanger 29a, the gas phase refrigerant of air heat exchanger 29b utilize fan 30 work and with by sky Gas-heat exchanger 29a, the exogenous QI of air heat exchanger 29b carry out heat exchange, thus condense, and become the liquid phase coolant of high pressure.High The liquid phase coolant of pressure reduces pressure during by expansion valve 23a, expansion valve 23b, becomes the gas-liquid two-phase coolant of intermediate pressure.Gas Liquid two-phase coolant is directed to water heat exchanger 25 via reservoir 24.

In present embodiment, the first coolant loop RA and the second coolant loop RB has a water heat exchanger 25, and the 3rd is cold Matchmaker loop RC and the 4th coolant loop RD has another water heat exchanger 25.Therefore, the first coolant loop RA and second cold In the RB of matchmaker loop, guide gas-liquid two-phase to the first refrigerant flow 25a and the second refrigerant flow 25b of water heat exchanger 25 respectively Coolant, and carry out heat exchange with the water flowed along current road 25c.

Its result, the gas-liquid two-phase refrigerant evaporation flowed along the first refrigerant flow 25a and the second refrigerant flow 25b and from current road Water in 25c absorbs heat, utilizes evaporation latent heat to become the gas-liquid two-phase coolant of low-temp low-pressure.Water in the 25c of current road is because of quilt Seize latent heat and become cold water.

The current road 25c of the first coolant loop RA and the second water heat exchanger 25 common for coolant loop RB is via the 3rd water Pipe arrangement 51c, and the current road of another water heat exchanger 25 common with the 3rd coolant loop RC and the 4th coolant loop RD 25c is connected in series.

Therefore, the water heat exchanger 25 that the first coolant loop RA and second are common for coolant loop RB the water cooled down is passing through During the current road 25c of another water heat exchanger 25 that the 3rd coolant loop RC and the 4th coolant loop RD is common, Because of the heat with the gas-liquid two-phase coolant of the first refrigerant flow 25a and the second refrigerant flow 25b flowing along another water heat exchanger 25 Exchange and be again cooled.The cold water cooled down in two stages is supplied to utilize equipment side from the 4th water pipe arrangement 51d.

It is directed to gas-liquid separator 26 via cross valve 21 by the gas-liquid two-phase coolant of the low-temp low-pressure of water heat exchanger 25, And it is separated into liquid phase coolant and gas phase refrigerant in this gas-liquid separator 26.From liquid phase coolant, isolated gas phase refrigerant is inhaled into In compressor 20, and again become the gas phase refrigerant of High Temperature High Pressure and spray from compressor 20.

On the other hand, the first control unit is exported in the instruction in order to make heater unit operate from the main control substrate of control chamber 61 80 and second in the case of control unit 81, the first coolant loop RA of the first freeze cycle unit 3 and the second coolant loop RB is controlled so as to operate in the heating, the 3rd coolant loop RC and the 4th coolant loop RD of the second freeze cycle unit 4 It is also controlled by into and operating in the heating.

In heating mode, first to fourth coolant loop RA, coolant loop RB, coolant loop RC, the four of coolant loop RD Lead to valve 21 as shown in phantom in Figure 4, with the first port 21a and the 3rd port 21c connection, the second port 21b and the 4th port The mode of 21d connection switches over.

If started running in the heating, then the gas phase refrigerant of the High Temperature High Pressure compressed through compressor 20 is via cross valve 21 It is directed to water heat exchanger 25.Under heating mode, the first coolant loop RA and the second common for coolant loop RB water Another hydrothermal exchange that the current road 25c and the 3rd coolant loop RC and the 4th coolant loop RD of heat exchanger 25 are common The current road 25c of device 25 is also connected in series, thus along current road 25c flowing water conservancy with along the first refrigerant flow 25a and The heat exchange of gas phase refrigerant of the second refrigerant flow 25b flowing and be divided into two stages heated.By gas phase refrigerant heat and Heated water becomes warm water and is fed into and utilizes equipment side.

Pass through the liquid phase coolant of high pressure of water heat exchanger 25 by reservoir 24 and expansion valve 23a, the mistake of expansion valve 23b Journey becomes the gas-liquid two-phase coolant of intermediate pressure, and is directed into air heat exchanger 29a, air heat exchanger 29b.Drawn Lead air heat exchanger 29a, the gas-liquid two-phase coolant of air heat exchanger 29b utilize fan 30 work and with pass through air Heat exchanger 29a, the exogenous QI of air heat exchanger 29b carry out heat exchange, thus evaporate, and become the gas-liquid two of low-temp low-pressure Phase coolant.

Pass through the gas-liquid two-phase coolant of low-temp low-pressure of air heat exchanger 29a, air heat exchanger 29b via cross valve 21 And be directed to gas-liquid separator 26, and it is separated into liquid phase coolant and gas phase refrigerant in this gas-liquid separator 26.From liquid phase coolant Isolated gas phase refrigerant is inhaled in compressor 20, and becomes the gas phase refrigerant of High Temperature High Pressure and spray from compressor 20.

The first control unit that the first coolant loop RA and the second coolant loop RB of the first freeze cycle unit 3 are controlled 80 and the 3rd coolant loop RC and the 4th coolant loop RD to the second freeze cycle unit 4 the second controls being controlled are single Unit 81 is in operation can be with heating.Therefore, two corresponding with the first reception room 68 of electronic box 60 electric fan 101a, electricity Wind symptom fan 101b runs, two corresponding with the second reception room 69 of electronic box 60 according to the instruction from the first control unit 80 Platform electric fan 101c, electric fan 101d run according to the instruction from the second control unit 81.

If electric fan 101a, electric fan 101b, electric fan 101c, electric fan 101d run, then fan room 103, Air in fan room 106 is discharged to the top of blower-casting 100a.Therefore, suction function is in connecting with fan room 103 First reception room 68 and the first ventilation path 71.Similarly, suction function in the second reception room 69 connected with fan room 106 and Second ventilation path 77.

First reception room 68 and the second reception room 69 lead to the machine in framework 2 respectively via multiple passages 75, passage 77 Tool room 15, thus the air in Machine Room 15 is drawn into the first reception room 68 and second houses from passage 75, passage 77 Room 69.

It is drawn in the air such as Figure 11 of the first area 68a of the first reception room 68 and the first area 69a of the second reception room 69 Shown in the first reception room 68 side as representative, towards the top of first area 68a and be flowed into fan room 103.

Be drawn into the second area 68b of the first reception room 68 and air such as Figure 11 of the second area 69b of the second reception room 69 and In Figure 12 shown in arrow, towards second area 68b, the top of second area 69b, and by the peristome 105 of slit-shaped, Peristome 108 and be flowed into fan room 103, fan room 106.

In other words, the inside at the first reception room 68 and the second reception room 69 is formed respectively towards fan room 103, fan room The air stream of 106, utilize this air stream and by be contained in the first reception room 68 and the various electric parts 82a of the second reception room 69, Electric parts 82b, electric parts 83, electric parts 84, electric parts 85, electric parts 86a, electric parts 86b, electricity Gas part 87a, electric parts 87b, electric parts 88, electric parts 89 force cooling.

As seen in figures 11 and 14, the first ventilation path 71 and the second ventilation path 76 are via bottom panel 62 opening at electronic box 60 Entrance hole 72 and the intercommunicating pore 14a of base plate 14 opening in framework 2, and lead to base plate 14 and the ventilation arranged between the G of face Road 73 connects.Therefore, if suction function is in the first ventilation path 71 and the second ventilation path 76, then air outside cooling unit 1 It is drawn into the first ventilation path 71 and the second ventilation path 76 by intercommunicating pore 14a and entrance hole 72 from exogenous QI introducing port 74.Inhaled The air entered under flow along the first ventilation path 71 and the second ventilation path 76 upward, and be flowed into fan room 103, fan room 106。

Air along the first ventilation path 71 and the flowing of the second ventilation path 76 passes and is controlled substrate 82a, controls substrate 82b, electricity Source module 83 and fan control substrate 87a, fan control substrate 87b heat fin 90 radiating fin 91 between.Its As a result, the heat being delivered to fin 90 dissipates with the flowing of air, thus, controls substrate 82a, controls substrate 82b, electricity Source module 83 and fan control substrate 87a, fan control substrate 87b are forced cooling.

The air having passed through radiating fin 91 and has passed through the first reception room 68 and the second receipts in fan room 103, fan room 106 Behind the air interflow of room 69, discharge towards the top of blower-casting 100a.

According to present embodiment, the electric fan 101a of fan unit 100, electric fan 101b, electric fan 101c, electronic The lower section in fan 101d gap 40 between the upper structure 9 of drain pan 39 and framework 7.Therefore, from electric fan The air that 101a, electric fan 101b, electric fan 101c, electric fan 101d upwards discharge is directed by gap 40 Exhaust channel 33 between air heat exchanger 29a, air heat exchanger 29b.

The air being directed into exhaust channel 33 from fan unit 100 utilizes fan 30 and has passed through air heat exchanger 29a, sky The air of gas-heat exchanger 29b is attracted to top together towards air vent 37, and from air vent 37 to air heat exchanger The top in portion 22 is discharged.Therefore, the air after being cooled down by electrical appliance 6 will not blow out to Machine Room 15.

Specifically, in the first ventilation path 71 exposed at the radiating fin 91 of fin 90 and the second ventilation path 76, pass through Exogenous QI introducing port 74 and guide the air outside cooling unit 1, i.e. exogenous QI.Because exogenous QI comprises dust or moisture, so passing through When the exogenous QI of fin 90 is discharged to Machine Room 15, dust will in early days the stage be piled up in Machine Room 15.

On the other hand, in present embodiment, by the air of fin 90 utilize air heat exchanger portion 22 fan 30 and It is attracted to top, and discharges from air vent 37 to the top in air heat exchanger portion 22.Therefore, it is possible to prevent in air contained Dust accretions in Machine Room 15, or be attached to the first freeze cycle unit 3 and the second freeze cycle unit 4.

According to present embodiment, the first coolant loop RA, the second coolant loop RB, the 3rd coolant loop RC and the 4th coolant Loop RD is independent of one another, thus the first control unit 80 and the second control unit 81 such as set according to air-cooling system load or heating installation The coolant loop that should operate is selected for load.Meanwhile, the first control unit 80 and the second control unit 81 are according to coolant The electric fan that loop RA, coolant loop RB, coolant loop RC, the operational situation of coolant loop RD and determining should drive 101a, electric fan 101b, electric fan 101c, electric fan 101d, and control electric fan 101a, the electricity that should drive Wind symptom fan 101b, electric fan 101c, the number of units of electric fan 101d.

Specifically, such as in the case of the 3rd coolant loop RC shuts down, the first control unit 80 and second controls list Unit 81 only makes three electric fan 101a, electric fan 101b, electric fan 101d run.

Its result, only selectively makes and the first control unit 80 and the second control unit 81 of the coolant loop controlled in operating The electric fan 101a of correspondence, electric fan 101b, electric fan 101c, electric fan 101d run, and the most right All electric fan 101a, electric fan 101b, electric fan 101c, electric fan 101d are driven.

Thereby, it is possible to the consumption of the electric power needed for the cooling of suppression the first control unit 80 and the second control unit 81, and energy Enough propulsion energy-saving countermeasures.

Additionally, optionally drive, the operating with cooling unit 1 needs the first control unit 80 and the second control unit of cooling The electric fan 101a of 81 correspondences, electric fan 101b, electric fan 101c, electric fan 101d, it is thus possible to avoid electricity The surplus ground, inside of case 60 sucks the air of cooling.

Thereby, it is possible to prevent the dust stage in early days contained in air to be stranded in the inside of electronic box 60, or it is attached to constitute first Control unit 80 and the various electric parts of the second control unit 81.Thereby, it is possible to the first control unit 80 and second is controlled Unit 81 runs by mistake or impaired probability suppresses minimum.

Several embodiments of the present utility model are illustrated, but these embodiments are to point out as example, not The scope of intended limitation utility model.The embodiment of these novelties can be implemented with other various forms, without departing from practicality Various omission can be carried out in the range of novel purport, replace, change.These embodiments or its deformation and the scope of equalization thereof It is included in category of the present utility model.

In described embodiment, configure two electric fans for each control unit, but the quantity of electric fan limits the most especially System, the most also can be for each control unit one electric fan of configuration or the electric fan of more than three.

Additionally, air-cooled type cooling unit alternatively cools down special cooling unit.

Claims (8)

1. a freezing cycle device, it is characterised in that including:

Multiple independent coolant loop；And

Electrical appliance, comprises the multiple control portions being individually controlled described coolant loop,

Described electrical appliance has the multiple reception rooms housing described control portion, and arranges basis in described each reception room At least one electric fan that described control portion is cooled down by the operational situation of described coolant loop.

Freezing cycle device the most according to claim 1, it is characterised in that:

Described each reception room is divided into first area and second area, and houses in described first area and described second area The electric parts constituting described control portion, described electric fan is configured to aspirate in described first area and described second area Air.

Freezing cycle device the most according to claim 2, it is characterised in that:

Described electrical appliance has the suction side phase with described electric fan between described first area with described second area Ventilation path even, is exposed in described ventilation path with the hot linked fin of described electric parts of heating.

Freezing cycle device the most according to claim 3, it is characterised in that:

Also including the framework forming the Machine Room housing described electrical appliance, described reception room has to be opened in described Machine Room The passage of mouth, described framework has the exogenous QI introducing port that the upstream extremity with described ventilation path connects.

Freezing cycle device the most according to claim 4, it is characterised in that:

Described framework includes that framework, described framework comprise: is placed in the lower structures on the face of setting, is configured at described bottom The upper structure of the top of structure, and the multiple vertical bars that will link between described lower structures and described upper structure, Described exogenous QI introducing port is formed at described lower structures.

6. according to the freezing cycle device described in claim 4 or 5, it is characterised in that:

Described each coolant loop comprises the air heat exchanger portion being arranged on described electrical appliance, described air heat exchange Device portion includes: be spaced apart interval and a pair air heat exchanger in opposite directions, the aerofluxus that is formed between described air heat exchanger Path and the fan of the air upwards aerofluxus to described exhaust channel will be guided by described air heat exchanger.

Freezing cycle device the most according to claim 6, it is characterised in that:

Described electric fan is configured at the upper surface of described electrical appliance, and towards described in described air heat exchanger portion Exhaust channel aerofluxus.

Freezing cycle device the most according to claim 7, it is characterised in that:

Between described electrical appliance and described air heat exchanger portion, configure drain pan, the edge of described drain pan with Form gap between described framework, and described electric fan is configured at the lower section in described gap.