CN100408938C - Outdoor unit of air-conditioner refrigerator - Google Patents
Outdoor unit of air-conditioner refrigerator Download PDFInfo
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- CN100408938C CN100408938C CNB2004100881829A CN200410088182A CN100408938C CN 100408938 C CN100408938 C CN 100408938C CN B2004100881829 A CNB2004100881829 A CN B2004100881829A CN 200410088182 A CN200410088182 A CN 200410088182A CN 100408938 C CN100408938 C CN 100408938C
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Abstract
The invention provides an outdoor unit for an air conditioning refrigerating device capable of easily securing heat exchanging quantity in an air conditioning circuit and a cooling circuit, and easily assembling and maintaining the circuits. In this air conditioning refrigerating device 1, an internal space of the outdoor unit is divided into up and down spaces, components of a heat exchanger of heat source side containing an air conditioning system are mounted at the upside part 12UP and components of a condenser containing a cooling system are mounted at the lowside part 13LO. Alternatively, in this air conditioning refrigerating device 1, an internal space of the outdoor unit is divided into left and right spaces, components of an air conditioning system are mounted in one of the spaces, and components of a cooling system are mounted in the other space. Further a communication air trunk 93 is formed in the outdoor unit 12 to communicate a blower 24 side of the air conditioning system and a blower 35 side of the cooling system.
Description
Technical field
The present invention for example relates to the outdoor unit that cools off in the storehouse of carrying out room conditioning and cold storage equipment with air-conditioner refrigerator.
Background technology
At present, utilizing air regulator that cold and heat air is carried out in the inside (indoor) in the shop in shops such as convenience store regulates.In addition, the inside in the shop is provided with the refrigeration or the freezing open type show cabinet of display vending articles and the show cabinet (cold storage equipment) that door is housed, and they utilize refrigerator to carry out cooling in the storehouse.This air-conditioner refrigerator that can carry out cooling off in the storehouse of room air adjusting and cold storage equipment is known (for example, patent documentation 1).
[patent documentation 1] spy opens the 2002-174470 communique
The content of invention
But, in this air-conditioner refrigerator, the configuration air conditioning is used the loop with the cooling of loop and cold storage equipment in outdoor unit, fully guarantees the heat exchange amount of the heat exchanger in each loop, and assembling and the maintenance of carrying out each loop easily are very important.
The present invention In view of the foregoing its objective is, provide a kind of guarantee easily air conditioning with loop and cooling with the heat exchange amount in the loop and can carry out the assembling in each loop easily and the outdoor unit of the air-conditioner refrigerator of maintenance.
In order to solve above-mentioned problem, the invention is characterized in, in the outdoor unit of air-conditioner refrigerator, the inner space of packing casing is divided into two spaces up and down, in the space therein, configuration couples together with the used for indoor machine pipe arrangement and constitutes the air handling system structure member that at least comprise heat source side heat exchanger of air conditioning with cryogen circuit, in another space of aforementioned packing casing, configuration couples together with pipe arrangement with cold storage equipment and constitutes the cooling system structure parts that at least comprise condenser of cooling with cryogen circuit.According to this structure, be divided into two spaces up and down owing to will pack the inner space of casing, each structure member of configuration air handling system in a space, each structure member of configuration cooling system in another space, so, can be easy to carry out the assembling and the maintenance of air handling system and cooling system.In addition, by adjusting the height dimension of heat source side heat exchanger and condenser, can be easy to adjust heat exchange amount separately.
In said structure, in an aforementioned space of aforementioned packing casing, disposing extraneous gas when air blast is used in the air conditioning that aforementioned heat source side heat exchanger ventilates, in aforementioned another space of aforementioned packing casing, configuration is ventilated cooling blower from extraneous gas to aforementioned condenser, an aforementioned space and aforementioned another space of aforementioned packing casing are communicated with, aforementioned air conditioning replenishes the ventilation of aforementioned condenser with air blast, simultaneously, aforementioned cooling blower replenishes the ventilation of aforementioned hot source heat exchanger, by adopting above-mentioned this structure, can effectively utilize the negative pressure effect that produces by each air blast, increase the ventilation of heat source side heat exchanger and condenser.In addition, preferably, aforementioned hot source heat exchanger, the panel surface that can ventilate along aforementioned packing casing in an aforementioned space of aforementioned packing casing disposes, simultaneously, along the surface configuration of the panel that can ventilate of aforementioned packing casing, aforementioned hot source heat exchanger and aforementioned condenser are according to required heat exchange amount adjustment height dimension separately in aforementioned another space of aforementioned packing casing for aforementioned condenser.
In addition, preferably, one distolateral at aforementioned hot source heater, be provided with air conditioning is shunted, made it to the mobile isocon of aforementioned heat source side heat exchanger with refrigerant, and the collector that aforementioned air conditioning mobile in aforementioned hot source heat exchanger is mixed with refrigerant, one distolateral at aforementioned condenser, be provided with will cooling with the refrigerant shunting, make it the isocon that flows to aforementioned condenser, and the collector that the aforementioned cooling of flowing is mixed with refrigerant in aforementioned condenser.And then, also can in aforementioned packing casing, refrigerant is used in the aforementioned air conditioning of supply with the on high-tension side cooling of cryogen circuit with refrigerant and aforementioned cooling with the air conditioning of the low-pressure side of cryogen circuit cascade heat exchanger be set.
In addition, in order to solve above-mentioned problem, the invention is characterized in, in the outdoor unit of air-conditioner refrigerator, with the packing casing the inner space be divided into about two spaces, in the space therein, configuration and used for indoor machine pipe arrangement couple together and constitute air conditioning with cryogen circuit, comprise the air handling system structure member of air conditioning with compressor and heat source side heat exchanger, and with the air conditioning air blast of extraneous gas to aforementioned heat source side heat exchanger ventilation, in another space of aforementioned packing casing, configuration and cold storage equipment couple together with pipe arrangement and constitute cooling with cryogen circuit, comprise the cooling system structure parts of cooling with compressor and condenser, and with the cooling blower of extraneous gas to aforementioned condenser ventilation.According to this structure, because two spaces about the inner space that will pack casing is divided into, each structure member of configuration air handling system in a space, each structure member of configuration cooling system in another space, so, can join and keep in repair at the enterprising luggage in the position separately of air handling system side and cooling system side.
In said structure, preferably, aforementioned hot source heat exchanger and aforementioned condenser arrangement are in the back panel side of aforementioned packing casing, on aforementioned back panel, air vent is set, aforementioned air conditioning is configured in aforementioned front panel side of packing casing with air blast and aforementioned cooling blower, between this air conditioning is with air blast and aforementioned cooling blower, compressor is used in aforementioned air conditioning with compressor and aforementioned cooling Machine Room is disposed in setting, between aforementioned Machine Room and aforementioned back panel, form communication air duct, so that aforementioned air conditioning is communicated with air blast pusher side and aforementioned cooling blower side.In addition, also the electric components installation room can be set above aforementioned Machine Room, aforementioned air conditioning air blast pusher side at this electric components installation room, the air conditioning side controller of this air conditioning with air blast and aforementioned air handling system structure member controlled in configuration, in the aforementioned cooling blower side of aforementioned electric components installation room, the cold side controller of configuration this cooling blower of control and aforementioned cooling system structure parts.And then, also can be in aforementioned another space of aforementioned packing casing, the cascade heat exchanger that the aforementioned air conditioning of configuration supply is used the high-pressure side refrigerant of cryogen circuit with the low-pressure side refrigerant and the aforementioned cooling of cryogen circuit.
The outdoor unit of air-conditioner refrigerator of the present invention, be divided into two spaces up and down by the inner space that will pack casing, configuration comprises the heat source side heat exchanger of air handling system at each interior structure member in a space, configuration comprises each structure member of the condenser of cooling system in another space, can join and keep in repair at the enterprising luggage in the position separately of air handling system side and cooling system side, and, can be easy to adjust the heat exchange amount of heat source side heat exchanger and condenser.
In addition, the outdoor unit of air-conditioner refrigerator of the present invention, two spaces about being divided into by the inner space that will pack casing, each structure member of configuration air handling system in a space, each structure member of configuration cooling system in another space can be joined and keeps in repair at the enterprising luggage in the position separately of air handling system side and cooling system side.
Description of drawings
Fig. 1 is the diagram that the system architecture of the cryogen circuit that comprises air-conditioner refrigerator is described.
Fig. 2 is the diagram of the running of the air regulator of air-conditioner refrigerator under the explanation situation that the compressor of cooling device breaks down when cooling operation.
Fig. 3 is the perspective view of outward appearance of the outdoor unit of expression air-conditioner refrigerator.
Fig. 4 is the front view of state that the positive center panel of outdoor unit is unloaded in expression.
Fig. 5 is the vertical view of state that the top panel of outdoor unit is unloaded in expression.
Fig. 6 is the perspective view of expression according to the outward appearance of the outdoor unit of another kind of form of implementation.
Fig. 7 is the diagram that is illustrated in the configuration status of heat source side heat exchanger in the outdoor unit and condenser.
Fig. 8 is the diagram of an example of inside of the upper section of expression outdoor unit.
Fig. 9 is the diagram of an example of inside of the below part of expression outdoor unit.
The specific embodiment
Below, describe a kind of form of implementation of the present invention in detail with reference to accompanying drawing.Fig. 1 is the diagram of expression according to the system architecture of the cryogen circuit that includes air-conditioner refrigerator 1 of a kind of form of implementation of the present invention.This refrigeration system 1 for example, is realized the air conditioning of indoor 2 (inside in shop) of convenience store, and cools off in the storehouse as the refrigerating box 3 of cold storage equipment and household freezer 4 of the portion that sets within it.Refrigerating box 3 and household freezer 4, except that the open type show cabinet of front and top opening, but also have can enough transparent glass doors with the opening freely openable the show cabinet of closing, in the storehouse of refrigerating box 3, be cooled to refrigerated storage temperature (+3 ℃～+ 10 ℃), chilled foods such as display beverage and sandwich, simultaneously, be cooled to cryogenic temperature (20 ℃～-10 ℃) in the storehouse with household freezer 4, be used to display frozen food and ices etc.
This air-conditioner refrigerator 1, comprise: carry out the air regulator (air handling system portion) 6 of indoor 2 air conditioning and carry out indoor 2 refrigerating box 3 and the storehouse of household freezer 4 (cold storage equipment) in the cooling device (cooling system portion) 8 of cooling, between being located at a plurality of indoor sets 11 on indoor 2 the ceiling etc. and being arranged on the outdoor unit 12 of outside, shop, the configuration pipeline forms air conditioning with cryogen circuit 7, thereby constitutes air regulator 6.
This air conditioning cryogen circuit 7, by being arranged on two compressors (rotary compressor) 13A in the outdoor unit 12 (utilizing converter to carry out the FREQUENCY CONTROL running), 13B (constant speed drive), check- valves 5A, 5B, 5C, 5D, oil eliminator 10, cross valve 14, heat source side heat exchanger 16, expansion valve (mechanism of decompressor that is made of electric expansion valve) 17,18,19, cascade heat exchanger 21, check-valves 22 and accumulator 23 etc., side heat exchanger 27 systems that utilize that are arranged on indoor pusher side constitute (air handling system).
The 26th, the outdoor controller (the air conditioning side controller of control air handling system side constitutes with mini-computer) according to the machine of outdoor unit 12 sides of temperature and pressure control air regulator 6 is used is arranged in the outdoor unit 12.In addition, the 24th, with the air blast of ventilation usefulness on the extraneous gas thermotropism source heat exchanger 16, be arranged on the position corresponding to the heat source side heat exchanger 16 in the outdoor unit 12.The 28th, the indoor set controller (be the controller that constitutes the running controlling organization, constitute with mini-computer) according to the machine of indoor set 11 sides of temperature and pressure control air regulator 6 is used is arranged in the indoor set 11.
Here, in indoor 2, the remote handling device of setting operation air regulator 6 usefulness (Long-distance Control (common name remote control)) 29.This remote handling device 29, the display part and the various operating parts that constitute by the liquid crystal panel that shows various information be equipped with, operation via operating parts, import the indication of design temperature of indoor 2 etc. by the user, by with indoor set controller 28 between communicate by letter, the various indications notice indoor set controllers 28 that to be imported by the user, simultaneously, (operating condition (cooling operation still is a warming operation etc.) is presented in the display part with the action message of air regulator 6.In addition, the 15th, the air with indoor 2 (air in the shop) is arranged on corresponding on the position that utilizes side heat exchanger 27 in the indoor set 11 to the air blast that utilizes side heat exchanger 17 ventilation usefulness.
Utilize the outlet of side heat exchanger 27, through outdoor unit 12, be connected on another inlet of cross valve 14, another outlet of cross valve 14 is connected on the accumulator 23 via check-valves 5D.Simultaneously, the outlet of this accumulator 23 is connected to the suction side of compressor 13A, 13B.In addition, check-valves 5D with accumulator 23 sides as positive direction.
In addition, the pipe arrangement between the expansion valve 17 and 18 is connected on the inlet of expansion valve 19, and the outlet of expansion valve 19 is connected on the inlet of air conditioning side path 21A of cascade heat exchanger 21.The outlet of the air conditioning side path 21A of this cascade heat exchanger 21 is connected to the suction side of compressor 13A, 13B via accumulator 23.
On the other hand, outdoor unit 12 and be arranged on the refrigerating box 3 in indoor 2 (in the shops) and household freezer 4 between the configuration pipeline form cooling with cryogen circuit 9, thereby constitute cooling device 8.This cooling with cryogen circuit 9 by constituting with the lower part: the compressor (scroll compressor) 37 that is arranged on the refrigeration usefulness in the outdoor unit 12, condenser (heat exchanger) 38, cross valve 39,41,42 (constitute bypass path by cross valve 42 and refrigerator controller 32 and form mechanism), oil eliminator 31, reservoir vessel 36, the refrigeration of cooling off in the storehouse to refrigerating box 3 evaporimeter 43, expansion valve (electric expansion valve) 44, magnetic valve 46,47, that cools off in the storehouse to household freezer 4 is freezing with evaporimeter 49, expansion valve (electric expansion valve) 51, magnetic valve 52, freezing amplification compressor (scroll compressor) 54, check-valves 30, and oil eliminator 45 etc.
The 32nd, the refrigerator controller (the cold side controller of control cooling system side is made of mini-computer) according to the machine of outdoor unit 12 sides of temperature or pressure control cooling device 8 is arranged in the outdoor unit 12.This refrigerator controller 32 also has the function of the fault detect mechanism of the fault that detects compressor 37 grades, when detecting fault, and the master controller 56 that this context notification is described later.
In addition, the 35th, with the air blast of extraneous gas, be arranged on the position corresponding to the condenser 38 of outdoor unit 12 to condenser 38 ventilation usefulness.In addition, the 50th, the refrigerating box controller (constituting with mini-computer) according to the machine of temperature or pressure control refrigerating box 3 sides is arranged on the refrigerating box 3.And then, the 55th, the household freezer controller (constituting with mini-computer) according to the machine of temperature or pressure control household freezer 4 sides is arranged in the household freezer 4.
In addition, the 20th, with cold air in the storehouse of refrigerating box 3 to the air blast of refrigeration with evaporimeter 43 ventilation usefulness, be arranged on respectively with each refrigerating box 3 in each refrigeration with on the corresponding position of evaporimeter 43.
The 25th, cold air in the storehouse of household freezer 4 to freezing air blast with evaporimeter 49 ventilation usefulness, is arranged on corresponding to freezing the using on the position of evaporimeter 49 in the household freezer 4.
The discharge side of compressor 37 is connected to via oil eliminator 31 on the inlet of cross valve 39, and an outlet of this cross valve 39 is connected on the inlet of condenser 38.This condenser 38, the smaller entrance side 38A of flow path resistance that utilizes the pipe arrangement by a plurality of parallel connections to form, and they are accumulated the outlet side 38B formation of a spot of pipe arrangement in parallel or single pipe arrangement.And the outlet of the outlet side 38B of this condenser 38 is connected with the inlet of reservoir vessel 36, and the outlet of this reservoir vessel 36 is connected with an inlet of cross valve 41.That is, reservoir vessel 36 is connected to the refrigerant downstream of condenser 38.
In addition, cross valve 41 outlet is connected on the inlet of case side path 21B of cascade heat exchanger 21.In addition, cascade heat exchanger 21, make respectively by the air conditioning side path 21A that constitutes in inside and the refrigerant of case side path 21B and carry out heat exchange mutually, whereby, to air conditioning with the low-pressure side of cryogen circuit 7 with cool off and carry out thermally coupled with the high-pressure side of cryogen circuit 9.
The outlet of the case side path 21B of cascade heat exchanger 21 is connected with another inlet of cross valve 39, and another outlet of this cross valve 39 is connected on another inlet of cross valve 41.And 2 (in the shops) in outdoor unit 12 and the branch's inlet chamber are left in another outlet of this cross valve 41.A pipe arrangement of branch is connected to refrigeration with on the inlet of evaporimeter 43 via magnetic valve 46 and expansion valve 44.Another pipe arrangement is connected to freezing with on the inlet of evaporimeter 49 via magnetic valve 52 and expansion valve 51.
Freezing outlet with evaporimeter 49 is connected to the suction side (check-valves 30 with compressor 54 as positive direction) of compressor 54 via check-valves 30.This compressor 54 is the little compressors of a kind of ratio piston compressor 37 outputs, it is discharged side and is connected on the inlet of cross valve 42 via oil eliminator 45, another outlet of cross valve 42 is being connected to refrigeration with in the outlet side of evaporimeter 43, enter outdoor unit 12, be connected on the suction side of compressor 37.That is, compressor 54 and compressor 37 are connected in series on cryogen circuit.
In addition, another inlet of cross valve 42 collaborates the entrance side pipeline to compressor 54, and another outlet of cross valve 42 is collaborated in the entrance side pipeline of the case side path 21B of cascade heat exchanger 21 via check-valves 61.In addition, check-valves 61 with cascade heat exchanger 21 sides as positive direction.Below, make pipeline 70 with this cross valve 42 with up to the pipeline note of the case side path 21B of cascade heat exchanger 21 entrance side.And, in cryogen circuit 7,9, for example enclose the refrigerant such as R-410A, R-404A of ormal weight.
Here, in air-conditioner refrigerator 1 according to this form of implementation, its structure is, the refrigerant (cooling refrigerant) that can form the evaporimeter 43,49 that will leave refrigeration usefulness is not via a compressor in the compressor 37,54 of cooling device 8 but be directed to the bypass path of the inlet of cascade heat exchanger 21 via another compressor.Promptly, as shown in Figure 2, by switching cross valve 42, first bypass path 70 that formation couples together refrigerant pathway between evaporimeter 43 outlet and the compressor 54 and freezing outlet side with evaporimeter 49 and second bypass path 80 that the refrigerant pathway of the refrigerant pathway of compressor 54 discharge sides and cascade heat exchanger 21 entrance sides is coupled together.
Like this, by forming bypass path 70,80, for example when compressor 37 breaks down, to leave refrigerant (cooling refrigerant) interflow of evaporimeter 43,49 with bypass path 70 after, can utilize bypass path 80 not to be directed to the inlet (with reference to the arrow á among Fig. 2) of cascade heat exchanger 21 via compressor 54 grades via compressor 37.In addition, for example, when compressor 54 breaks down, after the refrigerant that will leave evaporimeter 43,49 with bypass path 70 (cooling use refrigerant) interflow, can be without compressor 54 but pass through compressor 37 etc. and be directed to the porch of cascade heat exchanger 21 (with reference to the arrow among Fig. 2
).In addition, check-valves 61 is set in bypass path 80, whereby, prevents to be supplied to the refrigerant of cascade heat exchanger 21 in bypass path 80, to flow backwards through cross valve 41.
In addition, in this air-conditioner refrigerator 1, reinstate the covering of packing machine shell by compressor 54 and its peripheral structure member one that the freezing amplification in each structure member of cooling device 8 is used, constitute the other unit (being called freezing amplification machine) 90 that separates with outdoor unit 12.Whereby, the structure member around the compressor 54 can be configured on the optional positions such as the outer wall of convenience store and ground.
Fig. 3 is the perspective view of the outward appearance of expression outdoor unit 12.Outdoor unit 12 is a kind of unit that dispose following part in packing casing 12CA, described part is: constitute air handling system structure member (the compressor 13A that cryogen circuit 7 is used in the air conditioning that is connected with indoor set 11 with pipe arrangement, 13B, accumulator 23, oil eliminator 10, heat source side heat exchanger 16, outdoor controller 26 etc.), air blast 24 with the ventilation of extraneous gas thermotropism source heat exchanger, be connected with refrigerating box 3 and household freezer 4 with pipe arrangement, constitute the cooling system structure parts (compressor 37 of cooling with cryogen circuit 9, oil eliminator 31, reservoir vessel 36, condenser 38, refrigerator controller 32 etc.), the air blast 35 that extraneous gas is ventilated to condenser 38.
The vertical view of the front view of Fig. 4 state that to be expression unload the positive center panel 12A1 of outdoor unit 12, Fig. 5 state that to be expression unload the top panel 12B of outdoor unit 12.As Fig. 4 and shown in Figure 5, in this outdoor unit 12, Machine Room 91 is set in the substantial middle portion when face side is observed, the air blast 24 of air handling system is set in the left side of this Machine Room 91 (the left panel 12A2 side of front panel 12A).Back panel 12 sides in the back of this air blast 24, the roughly L shaped heat source side heat exchanger 16 of formation to be set with the inboard mode that closely contacts of back panel 12C and side panel 12D1, simultaneously, between this air blast 24 and the heat source side heat exchanger 16 and near, dispose other air handling system structure member.For example, compressor 13A, the 13B of air handling system is arranged on air blast 24 sides of Machine Room 91.
That is with the inner space of this outdoor unit 12, be two spaces about benchmark is divided into, in each parts centralized configuration (right side) space therein with air handling system, with the broken line X among Fig. 5.
In addition, 9 right side (the right panel 12A3 side of front panel 12A) is provided with cooling system air blast 35 in the Machine Room.Back panel 12C side in the back of this air blast, the roughly L shaped condenser of formation 38 to be set with the inboard mode that closely contacts of back panel 12C and side panel 12D2, simultaneously, between this air blast 35 and the condenser 38 and near, other structure member of configuration cooling system.For example, compressor 37 is configured in air blast 35 sides of Machine Room 91.
That is, in the inner space with this outdoor unit 12 with the broken line X among Fig. 5 is benchmark another (right side) space when cutting apart, each structure member of centralized configuration cooling system.In addition, above-mentioned cascade heat exchanger 21 is configured in another space of outdoor unit 12, for example, is configured in the below of cross valve 39,41.
And then, as shown in Figure 4, electric components installation room 92 is set above Machine Room 91, in air blast 24 sides of this electric components installation room 92 outdoor controller 26 is set, in air blast 35 sides of electric components installation room 92 refrigerator controller 32 is set.That is, for controller 26,35, also be the controller 26 of configuration air handling system in an above-mentioned space of outdoor unit 12, the controller 32 of configuration cooling system side in above-mentioned another space.
Like this,, can on position separately, carry out the assembling and the maintenance of outdoor unit 12, can be easy to assemble and keep in repair in air handling system side and cooling system side by configuration about air handling system structure member and cooling system structure parts are divided into.In addition, can also shorten the piping length of air handling system side and the piping length of cooling system side.
Here, in this form of implementation, roughly L shaped by heat source side heat exchanger 16 and condenser 38 formed, dispose in intimate contact with back panel 12C side and side panel 12D1 or 12D2 side, simultaneously, by on corresponding to the position of the heat source side heat exchanger 16 of each panel 12C, 12D1 and 12D2 and condenser 38, forming the air vent (not shown), can guarantee more heat exchange area.
And then, in this form of implementation, as shown in Figure 5, between Machine Room 91 and back panel 12C, the communication air duct 93 that air blast 24 sides with air handling system are communicated with air blast 35 sides of cooling system is set.Like this, by the communication air duct 93 with air blast 24 sides and the connection of air blast 35 sides is set, as shown in Figure 5, form extraneous gas (air) and flow to the path Y1 of air blast 24, and extraneous gas (air) flows to the path Y2 of air blast 35 via condenser 38 and communication air duct 93 via heat source side heat exchanger 16 and communication air duct 93.
Whereby, utilize the air stream of path Y1, around it, produce the negative pressure that extraneous gas is sucked communication air duct 93, simultaneously, utilize the air stream of path Y2, around it, produce the negative pressure that extraneous gas is sucked communication air duct 93, can increase the air capacity that sucks in the communication air duct 93, can increase the ventilation of heat source side heat exchanger 16 and condenser 38.In addition, in Fig. 5, represent the path Y1 and the stream of the air beyond the Y2 of air blast 24,35 with label Y3.
Below, describe for the action of this air-conditioner refrigerator 1 with said structure.In addition, above-mentioned compressor 37 and 13A are carried out convertor controls, make compressor 13B and compressor 54 with constant speed drive.In addition, the molar behavior of air-conditioner refrigerator 1 utilizes the master controller (main control mechanism) 56 that is made of microcomputer to control.Here, the remote handling device (Long-distance Control (common name remote control)) 57 that sends various indication usefulness to master controller 56 is set in master controller 56, this remote handling device 57 is equipped with the display part and the various operating parts that are made of liquid crystal panel that shows various information, the various indications that can be sent by the user via the operating parts input.
This master controller 56, be connected with outdoor controller 26, indoor set controller 28, refrigerator controller 32, refrigerating box controller 50 and household freezer controller 55, and can carry out data communication with them, receive and collect the data of relevant current operating condition from each controller.And, according to the data that receive, the optimum operation pattern in this moment described later of decision sends data and each the operation of a machine data of relevant optimum operation pattern to outdoor controller 26, indoor set controller 28, refrigerator controller 32, refrigerating box controller 50 and household freezer controller 55.Simultaneously, outdoor controller 26, indoor set controller 28, refrigerator controller 32, refrigerating box controller 50 and household freezer controller 55, according to data and each the operation of a machine data of the relevant optimum operation pattern that receives from master controller 56, carry out the control action of describing later.
Below, the situation when utilizing Fig. 1 that the cooling operation of air regulator 6 is described describes.At first, be judged as under the most suitable situation of the cooling operation of air regulator 6 at master controllers such as summer 56, send the data of relevant optimum operation pattern 1 to outdoor controller 26, indoor set controller 28, refrigerator controller 32, refrigerating box controller 50 and household freezer controller 55.
According to the data that send from this master controller 56, outdoor controller 26 makes an aforementioned inlet of cross valve 14 be communicated with an outlet, and another inlet is communicated with another outlet.In addition, expansion valve 17 is opened fully.Simultaneously, make compressor 13A, 13B running.In addition, outdoor controller 26 is adjusted the operating frequency of compressor 13A, carries out ability control.
When compressor 13A, 13B turned round, the gas refrigerant of the HTHP of discharging from the discharge side of compressor 13A, 13B entered the entrance side 16A of heat exchanger of heat source 16 through cross valve 14.Utilize air blast 24 that extraneous gas is ventilated on this heat source side heat exchanger 16, refrigerant here dispels the heat, condensation liquefaction.That is, in this case, heat source side heat exchanger 16 plays a part condenser.This liquid refrigerant leaves this outlet side 16B from the entrance side 16A of heat source side heat exchanger 16 through outlet side 16B.Then, branch after passing through expansion valve 17.An arrival expansion valve 18 in the branch after this place is become low pressure by throttling (decompression), flows into and utilizes side heat exchanger 27, in this place's evaporation.
Utilize air blast 15 that the air in indoor 2 (in the shops) is utilized ventilation on the side heat exchanger 27 to this, utilize heat-absorbing action, air cooling indoor 2 by the evaporation generation of refrigerant.Whereby, carry out the refrigeration in indoor 2 (in the shops).Leave the cryogenic gas refrigerant that utilizes side heat exchanger 27, pass through cross valve 14, check-valves 22, accumulator 23 successively, be inhaled into the heat absorbing side of compressor 13A, 13B, carry out this circulation repeatedly.
The opposing party of the refrigerant of process check-valves 5C branch arrives expansion valve 19, after this place is become low pressure by throttling (decompression), flows into the air conditioning side path 21A of cascade heat exchanger 21, in this place's evaporation.Utilization is by the heat-absorbing action of described air conditioning with the refrigerant evaporation generation of cryogen circuit 7, and cascade heat exchanger 21 is cooled and becomes low temperature.The cryogenic gas refrigerant that leaves cascade heat exchanger 21 is inhaled into the suction side of compressor 13A, 13B via accumulator 23, carries out this circulation repeatedly.
In addition, indoor set controller 28, according to the temperature of utilizing side heat exchanger 27 and be drawn into the temperature of utilizing the air in the side heat exchanger 27, control is to the air blast 15 that utilizes side heat exchanger 27 to ventilate, so that make the temperature in indoor 2 (in the shops) reach predefined design temperature.
On the other hand, refrigerator controller 32 makes the cooling of cooling device 8 use an aforementioned inlet of the cross valve 39 of cryogen circuit 9 to be communicated with an aforementioned outlet, and another inlet is communicated with another outlet.In addition, an aforementioned inlet of cross valve 41 is communicated with an aforementioned outlet, and another inlet is communicated with another outlet.Make compressor 37 and compressor 54 runnings then.After the high temperature and high pressure gas refrigerant of discharging from compressor 37 separates oil with oil eliminator 31, enter the entrance side 38A of condenser 38 through cross valve 39.Utilize air blast 35 that extraneous gas is ventilated on this condenser 38, the refrigerant that flows into condenser 38 is in this place's heat radiation, cohesion.In addition, make magnetic valve 47 standard-sized sheets.
Refrigerant by this condenser 38 entrance side 38A arrives outlet side 38B, leaves from this.Leave the refrigerant of condenser 38, enter in this reservoir vessel 36, temporarily stored, and carry out gas/liquid and separate at this place from the entrance side of reservoir vessel 36.Separated liquid refrigerant leaves the outlet of reservoir vessel 36, after cross valve 41, enters the case side path 21B of cascade heat exchanger 21.The cooling that enters this case side path 21B is with the refrigerant of cryogen circuit 9, by because and then increase supercooling state is cooled off in air conditioning as previously described with the cascade heat exchanger 21 that the evaporation of the refrigerant of cryogen circuit 7 becomes low temperature.More particularly, as previously described, utilize outdoor controller 26 to cool off with the process of predefined design temperature poor (for example 20 ℃).And, as previously described, owing to dispose reservoir vessel 36 after abutting against condenser 38, so, in the heat loss in the time can eliminating supercooling, can carry out the adjustment of amount of refrigerant.
Pass through cross valve 39, cross valve 41 branch afterwards successively with these cascade heat exchanger 21 supercooled refrigerant, one of them arrives expansion valves 44 by magnetic valve 46, and (decompression) inflow refrigerates with evaporimeter 43 after this place is by throttling, in this place's evaporation.Utilize air blast 20 that air in the storehouse of refrigerating box 3 is ventilated with evaporimeter 43 cocycles to refrigeration respectively, utilization is by the air in the heat-absorbing action cooling storehouse of the evaporation generation of refrigerant.Whereby, carry out cooling in the storehouse of refrigerating box 3.Leave after the cryogenic gas refrigerant interflow of refrigeration with evaporimeter 43, arrive the outlet side of the oil eliminator 45 of compressor 54.
Leave the opposing party of the refrigerant of cascade heat exchanger 21 branches, arrive expansion valve 51, after this place is by throttling (decompression), flow into the freezing evaporimeter 49 of using, in this place's evaporation by magnetic valve 52.Utilize air blast 25 to make in the storehouse of household freezer 4 air freezing with evaporimeter 49 circulating ventilations, utilize the heat-absorbing action that produces by the evaporation of refrigerant that air in the storehouse is cooled off, carry out cooling off in the storehouse of household freezer 4 to this.
Leave freezing cryogenic gas refrigerant with evaporimeter 49, process check-valves 30 arrives compressors 54, is compressed at this place, up to boosting to refrigeration with after the outlet side pressure of evaporimeter 43, with the refrigerant interflow of using evaporimeter 43 from refrigeration.The refrigerant at this interflow is inhaled into the suction side of compressor 37, and carries out this circulation repeatedly.
Refrigerating box controller 50, according to temperature in the storehouse of refrigerating box 3 or through refrigerating with the cold air temperature of evaporimeter 43 discharges or to the temperature of refrigeration with the cold air of evaporimeter 43 suctions, with the temperature that refrigeration is used evaporimeter 43 with the refrigerant temperature or the refrigeration of the outlet side of evaporimeter 43, control the aperture of each expansion valve 44 respectively.Whereby, one side remains on aforementioned refrigerated storage temperature with cooling in the storehouse of refrigerating box 3, and one side reaches the suitable degree of superheat (degree of superheat is constant).
In addition, household freezer controller 55, freezing according to temperature in the storehouse of household freezer 4 or process with the cold air temperature of evaporimeter 49 discharges or to the freezing temperature of using the cold air of evaporimeter 49 suctions, with freezing refrigerant temperature or the freezing temperature of using the outlet side of evaporimeter 49, control the aperture of each expansion valve 51 respectively with evaporimeter 49.Whereby, one side is with cooling in the storehouse of household freezer 4 and remain on aforementioned refrigerated storage temperature, and one side reaches the suitable degree of superheat (degree of superheat is constant).
According to the pressure (the cooling low pressure of cryogen circuit 9) of suction side, the operating frequency of control compressor 37.And, all become under the situation of closing fully at each expansion valve 44,51, shut down, simultaneously, and when any one expansion valve is opened, entry into service.
Like this, use the low-pressure side refrigerant of cryogen circuit 7 will cool off the high-pressure side refrigerant sub-cooled of using cryogen circuit 9 owing to can utilize the air conditioning of the air conditioning side path 21A that flows through cascade heat exchanger 21, so, can improve cooling capacity in the evaporimeter 43,49 of refrigerating box 3 and household freezer 4 and cooling running efficiency with cryogen circuit 9.In addition, in this case, because cooling is flowed in the case side path 21B of cascade heat exchanger 21 via condenser 38 with the high-pressure side refrigerant of cryogen circuit 9, so the degree of superheat of air conditioning with cryogen circuit 7 can be remained in the appropriate scope.
In addition, from the pressure of cooling with the freezing refrigerant that comes out with evaporimeter 49 of cryogen circuit 9, because its evaporating temperature step-down, so it is lower with the temperature of the refrigerant of evaporimeter 43 than leaving refrigeration, but boost owing to before the refrigerant interflow of coming out with evaporimeter 43 with refrigeration, compressed by compressor 54, so, can simultaneously utilize each evaporimeter 43,49 to cool off in the storehouse to refrigerating box 3 and household freezer 4 reposefully respectively, one side adjustment is inhaled into the pressure of cooling with the refrigerant in the compressor 37 of cryogen circuit 9, does not have the running of fault.
In addition, in this air-conditioner refrigerator 1, the warming operation that is judged as air regulator 6 when master controller 56 switches stream by two cross valves 39,41 that utilize air regulator 6 when best, carries out warming operation.In addition, for dim running the time, the running of cooling device 8 is basically with top described identical.
As mentioned above, the air-conditioner refrigerator 1 of this form of implementation, two spaces about being divided into by inner space with outdoor unit 12, each structure member of configuration air handling system in a space, each structure member of configuration cooling system in another space, can on position separately, carry out the assembling or the maintenance of outdoor unit 12 in air handling system side and cooling system side, can assemble at an easy rate or keep in repair.In addition, this air-conditioner refrigerator 1 is used cryogen circuit 9 with cryogen circuit 7 with cooling off owing to independently form air handling system respectively, so, can when any one of air handling system and cooling system is in operating condition, another system be keeped in repair.
And then, in this form of implementation, by communication air duct 93 is set in outdoor unit 12, air blast 24 sides of air handling system and air blast 35 sides of cooling system are communicated with, can increase the air capacity of utilizing each air blast 24,35 to suck in the communication air duct 93, can increase the ventilation of heat source side heat exchanger 16 and condenser 38, improve heat exchanger effectiveness.
In addition, in the above-described embodiments, be that example describes the present invention with the convenience store, but be not limited thereto that the present invention is effective for the various air-conditioner refrigerators of the cooling of carrying out indoor air conditioning and cold storage equipment.And then each setting value and the matched tube structure shown in the embodiment is not construed as limiting the invention, and in the scope that does not exceed purport of the present invention, can suitably should change.
In addition, in the present embodiment, the situation that the so-called the place ahead that air blast 24,35 is configured in front panel 12A side for outdoor unit 12 blows out type is described, but also air blast 24,35 can be configured in top panel 12B side, the type that adopts so-called top to blow out.In this case, preferably, the air blast 24 of air handling system, being configured in the broken line X among Fig. 5 is the side (air handling system structure member side) of benchmark when cutting apart the inner space of outdoor unit 12, and the air blast 35 of cooling system is configured in opposite side (cooling system structure component side).
Below, another form of implementation of the present invention is described.Because according to the cryogen circuit of the air-conditioner refrigerator of this form of implementation and the action of air-conditioner refrigerator, the same with the action of the cryogen circuit of the air-conditioner refrigerator of above-mentioned form of implementation and air-conditioner refrigerator, so omit its detailed description.
As shown in Figure 6, in this form of implementation, this outdoor unit 12, from top view the time, the air blast 24 of air handling system is configured in the left and right sides upside (upside of front left panel 12A2 and positive right panel 12A3) of positive center panel 12A, the air blast 35 of cooling system is configured in the left and right sides downside (front left panel 12A2 and positive right panel 12A3 downside) of center panel 12A1, the type that adopts so-called the place ahead to blow out.
Here, Fig. 7 is the heat source side heat exchanger 16 of expression in this outdoor unit 12 and the diagram of the configuration status of condenser 38.This heat source side heat exchanger 16 and condenser 38, form roughly コ font in mode along the inboard configuration of the side panel 12D of back panel 12C and both sides, at downside configuration condenser 38, at upside configuration heat source side heat exchanger 16, whereby, the height that condenser 38 configuration and air blast 35 is roughly the same simultaneously, is configured in the height roughly the same with air blast 24 with heat source side heat exchanger 16.In addition, overleaf on panel 12C and the side panel 12D, on position corresponding to condenser 38 and heat source side heat exchanger 16, resinous net etc. is set, so that extraneous air can pass through, whereby, utilize air blast 24 and 35 that extraneous air is led to heat source side heat exchanger 16 and condenser 38.
Like this, by disposing condenser 38 and heat source side heat exchanger 16 along the vertical direction, adjust the height dimension of condenser 38 and heat source side heat exchanger 16 respectively, can be easy to satisfy the heat exchange amount (perhaps heat exchange area) of each condensation 38 and heat source side heat exchanger 16.Therefore, the floor space of outdoor unit 12 needn't be changed, the design alteration etc. of the heat exchange amount of condenser 38 and heat source side heat exchanger 16 can be carried out.
In addition, as shown in Figure 7, on heat source side heat exchanger 16, be provided with refrigerant (air conditioning refrigerant) shunting, to the isocon 16A that this heat exchanger 16 flows, make the collector 16B that flowing refrigerant is mixed in this heat exchanger 16 at the one end.Similarly, on condenser 38, the isocon 38A that flows with refrigerant (cooling use refrigerant) shunting, to condenser 38 is set in that one is distolateral, and the collector 38B that makes flowing refrigerant mixing in condenser 38.Like this,, be easy to be connected with cryogen circuit, can shorten pipe arrangement with pipe arrangement by a distolateral configuration isocon 16A and collector 16B and isocon 38A and collector 38B at each heat exchanger 16,38.
And then, in this outdoor unit 12, above-mentioned air handling system structure member is configured in the space between air blast 24 and the heat source side heat exchanger 16, in the space of above-mentioned cooling system structure component configuration between air blast 35 and condenser 38.Here, Fig. 8 is the diagram of an example of inside of the upper section 12UP of expression outdoor unit 12, and Fig. 9 is the diagram of an example of inside of the below part 12LO of expression outdoor unit 12.Like this, in the space of (upside) when the inner space with this outdoor unit 12 is divided into two spaces up and down, each structure member of centralized configuration air handling system, each structure member of centralized configuration cooling system in another (downside) space, can be easy to carry out the assembling and the maintenance of air handling system and cooling system, and, can also shorten the length of the pipe arrangement of air handling system side.
But for the heavier parts of weight in the air handling system structure member ( compressor 13A, 13B), the viewpoint from the stability of parts is arranged on the base 12E (with reference to Fig. 7) of outdoor unit 12.In more detail, as shown in Figure 9, in this outdoor unit 12, Machine Room 91 (with reference to Fig. 9) is set in the inboard of positive center panel 12A1, compressor 13A, 13B, 37 are configured on the base 12E in this Machine Room 91.Whereby, each compressor 13A, 13B, 37 can be set stably, and, also can make each compressor 13A, 13B, 37 operation is set and maintenance becomes easy.In addition, in the example shown in the figure, electric components installation room 92 is set above this Machine Room 91, configuration outdoor controller 26 and refrigerator controller 32 on this electric components installation room 92.In addition, also outdoor controller 26 can be configured on the upper section 12UP of the structure member that disposes air handling system, refrigerator controller 32 is configured on the below part 12LO that disposes the cooling system structure parts.
And then as Fig. 8 and shown in Figure 9, this outdoor unit 12 is communicated with the space between air blast 24 and the heat source side heat exchanger 16 and air blast 35 with space between the condenser 38.Like this, be communicated with by the inner space up and down that makes this outdoor unit 12, the negative pressure that the air stream Y1 (with reference to Fig. 8) that is ventilated in heat source side heat exchanger 16 by air blast 24 produces, air is attracted to the suction side of air blast 35, on the other hand, the negative pressure that the air stream Y2 (with reference to Fig. 9) that is ventilated in condenser 38 by air blast 35 produces is attracted to the suction side of air blast 24 with air, can increase the suction air quantity of each air blast 24,35.Whereby, can effectively utilize the negative pressure effect that each air blast 24,35 produces, increase the ventilation of heat source side heat exchanger 16 and condenser 38, can improve heat exchanger effectiveness.
As explained above, the air-conditioner refrigerator 1 of this form of implementation, be divided into two spaces up and down by inner space with outdoor unit 12, with heat source side heat exchanger 16 and comprise air blast 24 and be configured in the space at the structure member of interior air handling system, with condenser 38 and comprise air blast 35 and be configured in another space at the structure member of interior cooling system, the assembling of air handling system and cooling system and maintenance are become to be easy to, and, by adjusting the height dimension of heat source side heat exchanger 16 and condenser 38, needn't change the area that is provided with of outdoor unit 12, just can change each heat exchanger 16,38 heat exchange amount.In addition, this air-conditioner refrigerator 1, since form independently respectively air conditioning with cryogen circuit 7 and cooling with cryogen circuit 9, so when any one in air handling system and cooling system is in operating condition, can keep in repair to another system.
And then, be communicated with by the inner space up and down that makes this outdoor unit 12, can utilize the ventilation of the air blast 24 additional condensers that heat source side heat exchanger 16 is ventilated, simultaneously, the air blast 35 that utilization is ventilated to condenser 38, ventilation that can supplemental heat source heat exchanger 16 can make the ventilation of heat source side heat exchanger 16 and condenser 38 increase, and improves heat exchanger effectiveness.In addition, by a distolateral configuration isocon 16A and a collector 16B,, be connected with cryogen circuit with pipe arrangement easily, and can shorten the length of pipe arrangement at a distolateral configuration isocon 38A and a collector 38B of condenser 38 at heat source side heat exchanger 16.
In addition, in the above-described embodiments, be that example describes the present invention with the convenience store, but be not limited thereto that the present invention is effective for the various air-conditioner refrigerators of the cooling of carrying out indoor air conditioning and cold storage equipment.And then each setting value and the matched tube structure shown in the embodiment is not construed as limiting the invention, and in the scope that does not exceed purport of the present invention, can suitably should change.In addition, in the present embodiment, making the situation that the place ahead blows out type for outdoor unit 12 is described, but also air blast 24,35 can be configured in top panel 12B side, the type that adopts so-called top to blow out, importantly, be configured in the space in the space up and down of outdoor unit 12, comprise to the major general that the structure member of the cooling system of condenser 38 is configured in another space and get final product as long as will comprise the structure member of the air handling system of heat source side heat exchanger 16 at least.In addition, blow out up under the situation of type because fast more the closer to the upper side flow velocity of air blast 24,35, heat exchanger effectiveness is big more, so, preferably, considering under the situation of this point the height dimension of adjusting heat source side heat exchanger 16 and condenser 38.
Claims (11)
1. the outdoor unit of an air-conditioner refrigerator, it is characterized in that, with the packing casing the inner space be divided into about two spaces, in the space therein, configuration and used for indoor machine pipe arrangement couple together constitute air conditioning with cryogen circuit, comprise the air handling system structure member of air conditioning with compressor and heat source side heat exchanger, and with the air conditioning air blast of extraneous air to aforementioned heat source side heat exchanger ventilation
In another space of aforementioned packing casing, configuration and cold storage equipment with pipe arrangement couple together constitute cooling with cryogen circuit, comprise the cooling system structure parts of cooling, and with the cooling blower of extraneous air to the condenser ventilation with compressor and condenser.
2. outdoor unit as claimed in claim 1 is characterized in that,
Aforementioned hot source heat exchanger and aforementioned condenser arrangement are provided with air vent in the back panel side of aforementioned packing casing on aforementioned back panel,
Aforementioned air conditioning air blast and aforementioned cooling blower, be configured in the front panel side of aforementioned packing casing, between this air conditioning is with air blast and cooling blower, is provided with and disposes compressor is used in aforementioned air conditioning with compressor and aforementioned cooling Machine Room
Between aforementioned Machine Room and aforementioned back panel, form communication air duct, so that aforementioned air conditioning is communicated with the cooling blower side with the air blast pusher side.
3. outdoor unit as claimed in claim 2 is characterized in that,
The electric components installation room is set above aforementioned Machine Room, aforementioned air conditioning air blast pusher side at this electric components installation room, the air conditioning side controller of this air conditioning with air blast and aforementioned air handling system structure member controlled in configuration, in the aforementioned cooling blower side of aforementioned electric components installation room, the cold side controller of configuration this cooling blower of control and aforementioned cooling system structure parts.
4. as any one described outdoor unit in the claim 1 to 3, it is characterized in that,
In aforementioned another space of aforementioned packing casing, the cascade heat exchanger that the aforementioned air conditioning of configuration supply is used the high-pressure side refrigerant of cryogen circuit with the low-pressure side refrigerant and the aforementioned cooling of cryogen circuit.
5. the outdoor unit of an air-conditioner refrigerator is characterized in that,
The inner space of packing casing is divided into up and down two spaces, in the space therein, configuration and used for indoor machine pipe arrangement couple together constitute air conditioning with cryogen circuit, comprise the air handling system structure member of heat source side heat exchanger at least,
In another space of aforementioned packing casing, configuration and cold storage equipment with pipe arrangement couple together constitute cooling with cryogen circuit, comprise the cooling system structure parts of condenser at least.
6. outdoor unit as claimed in claim 5 is characterized in that,
In an aforementioned space of aforementioned packing casing, configuration is ventilated air conditioning air blast from extraneous gas to aforementioned heat source side heat exchanger, simultaneously, in aforementioned another space of aforementioned packing casing, configuration is ventilated cooling blower from extraneous gas to aforementioned condenser
An aforementioned space of aforementioned packing casing is communicated with aforementioned another space, and aforementioned air conditioning replenishes with the ventilation of air blast to aforementioned condenser, and simultaneously, aforementioned cooling blower replenishes the ventilation of aforementioned hot source heat exchanger.
7. outdoor unit as claimed in claim 5 is characterized in that,
Aforementioned hot source heat exchanger, in an aforementioned space of aforementioned packing casing along the inboard configuration of the side panel of the back panel of aforementioned packing casing and both sides, simultaneously, aforementioned condenser in aforementioned another space of aforementioned packing casing along the inboard configuration of the side panel of aforementioned packing casing back panel and both sides, according to the heat exchange amount of necessity, adjust aforementioned hot source heat exchanger and aforementioned condenser height dimension separately.
8. outdoor unit as claimed in claim 6 is characterized in that,
Aforementioned hot source heat exchanger, in an aforementioned space of aforementioned packing casing along the inboard configuration of the side panel of the back panel of aforementioned packing casing and both sides, simultaneously, aforementioned condenser in aforementioned another space of aforementioned packing casing along the inboard configuration of the side panel of aforementioned packing casing back panel and both sides, according to the heat exchange amount of necessity, adjust aforementioned hot source heat exchanger and aforementioned condenser height dimension separately.
9. as any one described outdoor unit in the claim 5 to 8, it is characterized in that,
One distolateral at aforementioned hot source heat exchanger is provided with the isocon that air conditioning is flowed with the refrigerant shunting, to aforementioned heat source side heat exchanger, and the collector that the aforementioned air conditioning of flowing in aforementioned hot source heat exchanger is mixed with refrigerant,
One distolateral at aforementioned condenser is provided with the isocon that will cooling flows with the refrigerant shunting, to aforementioned condenser, and the collector that the cooling of flowing in aforementioned condenser is mixed with refrigerant.
10. as any one described outdoor unit in the claim 5 to 8, it is characterized in that,
In aforementioned packing casing, the aforementioned air conditioning of the configuration supply low-pressure side air conditioning of cryogen circuit refrigerant and the aforementioned cooling cascade heat exchanger of the high-pressure side cooling of cryogen circuit with refrigerant.
11. outdoor unit as claimed in claim 9 is characterized in that,
In aforementioned packing casing, the aforementioned air conditioning of the configuration supply low-pressure side air conditioning of cryogen circuit refrigerant and the aforementioned cooling cascade heat exchanger of the high-pressure side cooling of cryogen circuit with refrigerant.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004094612A JP4434806B2 (en) | 2004-03-29 | 2004-03-29 | Outdoor unit of air-conditioning refrigeration equipment |
| JP2004094611 | 2004-03-29 | ||
| JP2004094611A JP2005282888A (en) | 2004-03-29 | 2004-03-29 | Outdoor unit for air conditioning refrigerating device |
| JP2004094612 | 2004-03-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1677019A CN1677019A (en) | 2005-10-05 |
| CN100408938C true CN100408938C (en) | 2008-08-06 |
Family
ID=35049680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100881829A Expired - Fee Related CN100408938C (en) | 2004-03-29 | 2004-10-14 | Outdoor unit of air-conditioner refrigerator |
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| Country | Link |
|---|---|
| CN (1) | CN100408938C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679463A (en) * | 2012-03-14 | 2012-09-19 | 美的集团有限公司 | Outdoor unit of direct-current variable-frequency multi-connected air conditioner |
| CN112135742B (en) * | 2018-05-17 | 2024-02-13 | 马瑞利(中国)汽车空调有限公司 | Air conditioner for vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1096866A (en) * | 1993-05-26 | 1994-12-28 | 三菱重工业株式会社 | The outdoor unit of air conditioner |
| JPH1073287A (en) * | 1996-08-29 | 1998-03-17 | Sanyo Electric Co Ltd | Air conditioner |
| JP2000205601A (en) * | 1999-01-08 | 2000-07-28 | Hitachi Ltd | Outdoor unit for air conditioner |
| EP1114969A2 (en) * | 1996-02-23 | 2001-07-11 | SANYO ELECTRIC Co., Ltd. | Power controllable type air conditioner |
-
2004
- 2004-10-14 CN CNB2004100881829A patent/CN100408938C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1096866A (en) * | 1993-05-26 | 1994-12-28 | 三菱重工业株式会社 | The outdoor unit of air conditioner |
| EP1114969A2 (en) * | 1996-02-23 | 2001-07-11 | SANYO ELECTRIC Co., Ltd. | Power controllable type air conditioner |
| JPH1073287A (en) * | 1996-08-29 | 1998-03-17 | Sanyo Electric Co Ltd | Air conditioner |
| JP2000205601A (en) * | 1999-01-08 | 2000-07-28 | Hitachi Ltd | Outdoor unit for air conditioner |
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|---|---|
| CN1677019A (en) | 2005-10-05 |
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