CN109000389A - Condenser and the refrigeration system for having the condenser - Google Patents
Condenser and the refrigeration system for having the condenser Download PDFInfo
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- CN109000389A CN109000389A CN201711069634.2A CN201711069634A CN109000389A CN 109000389 A CN109000389 A CN 109000389A CN 201711069634 A CN201711069634 A CN 201711069634A CN 109000389 A CN109000389 A CN 109000389A
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- condenser
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- refrigeration
- condenser core
- refrigeration cycle
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B6/00—Compression machines, plants or systems, with several condenser circuits
- F25B6/04—Compression machines, plants or systems, with several condenser circuits arranged in series
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The present invention relates to condenser and has the refrigeration system of the condenser, the condenser is in refrigeration system, the refrigeration system to include the multiple refrigeration cycles for being respectively used to multiple rooms；The condenser is by multiple radiating surfaces projecting direction overlaps, mutually independent condenser core forms, each condenser core is divided into multiple independent parts in radiating surface direction, each of single condenser core it is described it is independent be partially attached to different refrigeration cycles, and the part of multiple condenser cores being connected in same refrigeration cycle is arranged in series in the refrigeration cycle.According to the present invention it is possible to realize that the maximization of condenser capacity and the refrigerating capacity of each refrigeration cycle uniform in each refrigeration cycle.
Description
Technical field
The present invention relates to refrigeration technology fields, and in particular to a kind of condenser and the refrigeration system for having the condenser.
Background technique
Carry out transport frozen using refrigerating transport vehicle or fresh-keeping cargo is very universal.The automobile-used refrigerator of Refrigerated Transport is general
Including outdoor unit and indoor unit, indoor unit mainly includes evaporator module etc., and the previous outdoor unit of mesh is equipped with a refrigeration
Circulation loop.
Existing S/E(independent engine) in formula refrigerator, when engine operates (ON), when continuously running motor, it can not make to press
Contracting machine shuts down (OFF), thus repeats the state of cooling-heating-cooling-heating.Have in refrigerating box multiple cold
In the case where freezing refrigerating chamber and multiple evaporators, needs that triple valve etc. is installed on the condenser in outdoor unit, that is, need to system
SAPMAC method circuit carries out disagreement processing.
As shown in Fig. 1, in the case where refrigerating transport vehicle uses multiple freezing and refrigeration rooms, due to each freezing and refrigeration room
Temperature band usually will be different, after the set temperature of a Room reaches, the case where set temperature of another room has not been reached yet
Under, it is necessary to operate outdoor unit (compressor and driving source engine etc.) always.For reach set temperature room (assuming that
For the room A) carrying out blowdown firing, on the other hand, since other rooms are in the refrigerating capacity for capturing the room A, from result for, nothing
Method plays whole refrigerating capacities, can not independently carry out temperature control, can not independently defrost.
In order to avoid problem above, if if being equipped with heating function on the indoor unit of the room A, although can maintain to set
Temperature, but heated while freezing operating operation, it is the operation mode of non-efficient activity, that is, produces another and ask
Topic.
On the other hand, in the case where the room A reaches set temperature, although the indoor unit of the room A can also be simply turned off, other are allowed
The indoor unit of room individually remains in operation, and still, in order to ensure the reliability of refrigeration cycle, needs additional solenoid valve, price
The dedicated refrigerator of multicell will be unable to share with only single chamber using the product of refrigerator while rise, i.e., produces one again and ask
Topic.
In addition, previous vehicle refrigerator, due to only one refrigeration cycle in an outdoor unit, therefore uses a piece of cold
The construction of condenser core.
And use under the occasion of multiple refrigerating chambers, condenser is divided into upper side condenser and dirty side condenser, using simultaneously
Column carry arrangement, will cause the problem of outdoor unit overall dimensions enlargement.
In addition, if it is considered that downstream side condensation core can be sucked by upper using arranged in series multi-disc condenser core
The high temperature air that side condensation core influences is flowed, causes cannot to give full play to condenser capacity and multi-disc condenser capacity is low asks
Topic.
Summary of the invention
The purpose of the present invention is to provide a kind of maximized condenser that condenser capacity may be implemented and to have this cold
The refrigeration system of condenser.
The present invention is achieved by the following technical solutions:
On the one hand, the present invention provides a kind of condensers, and the condenser is in refrigeration system, the refrigeration system to include point
Not Yong Yu multiple rooms multiple refrigeration cycles；
The condenser is by multiple radiating surfaces projecting direction overlaps, mutually independent condenser core forms, each condensation
Device core is divided into multiple independent parts, each of single condenser core independent part in radiating surface direction
It is connected to different refrigeration cycles, and the part of multiple condenser cores being connected in same refrigeration cycle
It is to be arranged in series in the refrigeration cycle.
According to the present invention it is possible to realize the maximization of condenser capacity and each refrigeration cycle in each refrigeration cycle
The refrigerating capacity in circuit uniforms.
Preferably, the refrigeration system includes two refrigeration cycles；The condenser is being projected by two radiating surfaces
Direction overlaps, mutually independent condenser core composition, and each condenser core is divided or left up and down in radiating surface direction
The right side is divided into first part and second part；The first part of refrigerant in first refrigeration cycle from the first condenser core
Side flow into, and from the side of the first part of the second condenser core flow out；It is cold in second refrigeration cycle
Matchmaker flows into from the side of the second part of the first condenser core, and from described in the second part of the second condenser core
Side outflow.
Preferably, first condenser core is located at heat exchange air flowing side relative to second condenser core
To upstream side, and the first part of first condenser core and the first part of second condenser core are radiating
Face projecting direction overlaps, and the second part of the second part of first condenser core and second condenser core exists
Radiating surface projecting direction overlaps.
It also can be that the refrigeration system includes two refrigeration cycles；The condenser is being projected by two radiating surfaces
Direction overlaps, mutually independent condenser core composition, and each condenser core is divided or left up and down in radiating surface direction
The right side is divided into first part and second part；The first part of refrigerant in first refrigeration cycle from the first condenser core
Side flow into, and from the side of the second part of the second condenser core flow out；It is cold in second refrigeration cycle
Matchmaker flows into from the side of the second part of the first condenser core, and from described in the first part of the second condenser core
Side outflow.
Preferably, first condenser core is located at heat exchange air flowing side relative to second condenser core
To upstream side, and the first part of first condenser core and the second part of second condenser core are radiating
Face projecting direction is staggered, and the first part of the second part of first condenser core and second condenser core exists
Radiating surface projecting direction is staggered.
It is also possible that the refrigeration system includes two refrigeration cycles；The condenser is being thrown by two radiating surfaces
Shadow direction overlaps, mutually independent condenser core composition, each condenser core divided up and down in radiating surface direction or
Left and right is divided into first part and second part；First from the first condenser core of refrigerant in first refrigeration cycle
The side divided flows into, and flows out from the side of the first part of the second condenser core；In second refrigeration cycle
Refrigerant is flowed into from the other side of the second part of the first condenser core, and from described in the second part of the second condenser core
Other side outflow.
On the other hand, the present invention also provides a kind of refrigeration systems for having above-mentioned condenser, wherein multiple refrigeration cycle
Circuit shares a condenser.
It is possible thereby to reduce the number of components of outdoor unit, cost is reduced, saves space, and is conducive to each component in outdoor unit
Layout and configuration.
Detailed description of the invention
Fig. 1 is the schematic diagram for showing the refrigerating transport vehicle with more than two rooms；Wherein 1a is to freeze with one
Room, refrigerating chamber refrigerating transport vehicle；1b, 1c are with the cold of a freezing chamber, a refrigerating chamber and room temperature room
Hide transport vehicle；
Fig. 2 is the schematic diagram for showing the refrigeration cycle of refrigeration system of an implementation form of the invention；
Fig. 3 is the schematic diagram of the two panels condenser core of the condenser of an implementation form of the invention；
Fig. 4 is the schematic diagram of the bracket of connection two panels condenser core in the condenser of an implementation form of the invention；
Fig. 5 is the condenser overall structure of another implementation form of the present invention and the schematic diagram of refrigerant flow direction；
Fig. 6 is the condenser overall structure of yet another aspect of the present invention and the schematic diagram of refrigerant flow direction；
Fig. 7 is the schematic diagram for showing temperature regime when only making a refrigeration cycle ON；
Fig. 8 is the schematic diagram for showing condenser in the prior art.
Specific embodiment
In order to best control the different multiple rooms of temperature, the present invention uses an outdoor unit equipped with multiple refrigeration on the whole
The construction of circulation loop.
Fig. 1 is the schematic diagram for showing the refrigerating transport vehicle of multiple rooms with different temperatures band, wherein 1a be with
The refrigerating transport vehicle of one freezing chamber, refrigerating chamber；1b, 1c are with a freezing chamber, a refrigerating chamber and a room temperature
The refrigerating transport vehicle of room；Outdoor unit 1 is shown.Fig. 1, which is shown, need to carry multiple indoor units according to the freezing and refrigeration number of chambers, still
Outdoor unit is typically all one, is the structure that can correspond to multiple indoor units.
In the present invention, condenser is in the refrigeration system of refrigerating transport vehicle, the refrigeration system to be more including being respectively used to
Multiple refrigeration cycles of a room.The condenser overlaps by multiple radiating surfaces in projecting direction, mutually independent condenser
Core composition, each condenser core are divided into multiple independent parts in radiating surface direction, in single condenser core
It is each it is described it is independent be partially attached to different refrigeration cycles, and multiple condenser cores are connected to same system
Part in SAPMAC method circuit is arranged in series in the refrigeration cycle.
With reference to the accompanying drawing 2-7 by taking the refrigeration system of the refrigerating transport vehicle for having two rooms as an example to the present invention make into
The detailed description of one step.
Fig. 2 is the schematic diagram for showing the refrigeration cycle of refrigeration system of an implementation form of the invention, is shown
Two independent refrigeration cycles, they can have operation mode independent.Two evaporator modules 7 are respectively arranged in
In each indoor unit of two rooms, and it is arranged on two different refrigeration cycles.Part cloth other than evaporator module 7
It is placed in outdoor unit 1.
As shown in Fig. 2, include: two compressors 5 for being respectively arranged at two refrigeration cycles in outdoor unit 1, configuration
It is respectively communicated in two refrigeration cycles and with each compressor 5 with the condenser 6 of the compressed refrigerant of cooling, for driving two
The engine of a compressor 5.In addition, further including other frozen parts for being respectively arranged at two refrigeration cycles in outdoor unit 1
Product, such as oil-liquid separator 8, fluid reservoir 9, liquid trap 10.It is additionally provided with solenoid valve in each refrigeration cycle, for independent
Control the flow of refrigerant in each refrigeration cycle.Evaporator module 7 in indoor unit in corresponding refrigeration cycle
Compressor 5 and condenser 6 be respectively communicated with.
The outdoor unit 1 of the refrigeration system of an implementation form of the invention further include: external power supply can be received when vehicle stops
Supply to drive the standby electric motor of each compressor 5 in each refrigeration cycle simultaneously.Standby electricity motor and engine are same
Sample is the common power part of multiple refrigeration cycles, such as can be by ECU(electronic control unit) control device controlled
System.Standby electricity motor 4 is additionally provided with external power source interface, when the engine 2 shuts down, can also be driven by external power supply
It is dynamic, so that compressor 5 and generator 3 be driven to operate.In the implementation form, has engine mode, by engine under the mode
Compressor is driven, while standby electric motor is driven by belt, so that the generator operation connecting with standby electric motor is to compression
Component power supply other than machine；It is also equipped with standby power mode, standby electric motor receives the supply driving pressure of external power supply when vehicle stops
Contracting machine 5.
A refrigeration cycle in the refrigeration system of an implementation form of the invention is illustrated below with reference to Fig. 2.Pressure
5 compression refrigerant of contracting machine, compressed refrigerant subsequently enter oil-liquid separator 8 and carry out oil liquid separation, liquid coolant after separation into
Enter condenser 6, and is radiated by the blowing of fan 11.The freezing valve of 6 downstream of condenser configuration controls the unlatching of the refrigerant flow
It closes.Fluid reservoir 9 is for temporarily storing refrigerant.Refrigerant state can be observed by liquid-sighting glass 12.Refrigerant subsequently flows into
The evaporator module 7 of indoor unit respectively freezes to each room by evaporator module 7.
Due to can individually be controlled according to the set temperature of each refrigerating chamber with independent refrigeration cycle,
It realizes the effective use for keeping the temperature box space, realizes the accurate temperature control being independent of each other, and can realize a such as greenhouse heating, one
The operating of room freezing/refrigerating can also carry out independent defrosting etc..
In one implementation form, two compressors 5 are driven by an engine 2, each compressor 5 be equipped with electromagnetism from
The operating or stopping of the compressor 5 are individually switched by the folding of the electromagnetic clutch for clutch.That is, two pressures
Contracting machine 5 is electromagnetic Clutch compressor, can be controlled separately two pressures according to the operating status of refrigeration cycle independent
The start and stop (ON/OFF) of contracting machine 5.The advantages that electromagnetic Clutch compressor has small in size, easy layout, at low cost, switchable.
Specifically, ECU control device changes output signal by control logic, whether the electromagnetic clutch coil for controlling compressor is supplied
Electricity realizes the ON/OFF of compressor.
In two cooling cycle systems, compressor clutch, the evaporator fan electricity of each system are controlled by ECU control device
The refrigeration cycle inner part that machine, valve member etc. are independent of each other is started with completing refrigerating function by ECU control device to control
Machine, standby electricity motor, the common power part such as generator provide power.The refrigerant in two circuits is independent from each other.
When one of compressor 5 is driven or two compressors 5 are all driven, the revolving speed of engine can be according to control
The setting of logical specification processed changes velocity of rotation.Specifically, engine can be set at a high speed, and two grades of low speed, when any refrigeration cycle
Engine switches supreme revolving speed when circuit is in higher load condition, sends out when two refrigeration cycles are all in low load condition
Motivation switches to the slow-speed of revolution.
In addition, can also be by the ON/OFF of double clutch independent control compressor, it is possible thereby to save fuel cost.Specifically
For, under the accurate temperature controlling mode of the prior art, since compressor is directly connected on the engine by belt, compressor itself
Can only be with engine start and stop, because engine can not achieve frequent start and stop, therefore compressor is in long time running state, in order to control
It is warm then compressor cannot be allowed persistently to freeze, so cooling and warming is needed to report to the leadship after accomplishing a task operation.The function that heating part is done will become the energy
Waste.It is controlled by using the start-stop for the electromagnetic Clutch compressor that can carry out ON/OFF independent control, it is no longer necessary to make
Heat, it is possible thereby to realize energy-efficient effect.
Using above-mentioned two refrigeration cycle, if using the multiple condensations of arranged in series according to the prior art
Device (referring to Fig. 8), a piece of condenser left upper portion enters refrigerant in the past, and then a piece of condenser lower right side outflow in the past, connects
Flowed into again from rear a piece of condenser right upper portion, then flowed out from rear a piece of condenser lower right side, downstream side condenses core meeting
The high temperature air that sucking is influenced by upstream side condensation core, causes to radiate bad, to make two refrigeration cycles can not be real
Existing respective good temperature control.
Therefore, in order to realize the ability homogenization of the maximization of condenser capacity and two circulations in each circulation, and make
Each refrigeration cycle realizes respective good temperature control, in the condenser of an implementation form of the invention, as component parts
Condenser core, using upstream side core and downstream side core arranged in series, and monolithic core is using short transverse segmentation
Construction.
In Fig. 3 and Fig. 5-implementation form shown in fig. 6, two refrigeration cycles can be made to share a condenser 6.
It is possible thereby to reduce the number of components of outdoor unit, cost is reduced, saves space, and is conducive in outdoor unit the layout of each component and matches
It sets.
Fig. 3 is the schematic diagram of the two panels condenser core of the condenser 6 of an implementation form of the invention, two panels condenser core
Separated in short transverse (i.e. up and down direction) by demarcation plate 13 respectively, that is to say, that formed per a piece of condenser core up and down
Two-part refrigerant circulation space, upper and lower two parts are independent of each other.
In order to realize the maximization of air and refrigerant heat exchanger effectiveness, hot refrigerant is introduced into that radiating condition is poor to be mounted in
In the condenser core at rear (closer to outdoor unit outer wall), enters back into radiating condition and be preferably mounted in front (further from room
Outer machine outer wall) condenser core in, to guarantee the maximization of condenser capacity.In addition, be mounted in the condenser in front
Upper and lower two halves radiating condition is impartial, and the radiating condition of two halves up and down for being mounted in the condenser at rear is impartial, follows to guarantee two
The ability of ring uniforms.
In implementation form shown in Fig. 3, refrigerant in the first refrigeration cycle is from the rear condenser core upper half
Side flows into, and the ipsilateral outflow from the front condenser core upper half；Refrigerant in second refrigeration cycle is cold from rear
The other side of condenser core lower half flows into, and the ipsilateral outflow from front condenser core lower half.
Fig. 4 is the schematic diagram of the bracket of connection two panels condenser core in the condenser of an implementation form of the invention.The position a
The fixed condenser core for being mounted in front, the fixed condenser core for being mounted in rear in the position b, the position c is used for will be entire cold
Condenser module is fixed on the main frame of refrigerator, and a, b, c three parts, which generally form, to be integrated.When two pieces of condenser cores are sent out
It is mainly absorbed by the portion a notch features when the thermal stress of raw different directions, when equidirectional thermal stress occurs for two pieces of condenser cores
When mainly absorbed jointly by the portion a notch features and the portion c open architecture.Specifically, the notch features in the portion a, are that two panels is vertical
Metal plate retains notch without welded connecting in the place of intersection, to achieve the purpose that absorb stress.The bracket can be avoided
Stress is concentrated, and it is durable to realize that thermal stress is effectively absorbed and shaken.
Fig. 5 is the condenser overall structure of another implementation form of the present invention and the schematic diagram of refrigerant flow direction.The implementation
In form, the refrigerant in the first refrigeration cycle is flowed into from the side of the rear condenser core upper half, and is condensed from front
The ipsilateral outflow condenser of the device core upper half；Refrigerant in second refrigeration cycle is from rear condenser core lower half
The side flows into, and flows out condenser after the ipsilateral heat exchange of front condenser core lower half.
Fig. 6 is the condenser overall structure of yet another aspect of the present invention and the schematic diagram of refrigerant flow direction, can be with
As shown in fig. 6, the refrigerant in the first refrigeration cycle is flowed into from the side of the rear condenser core upper half, and cold from front
The ipsilateral outflow condenser of condenser core lower half；Refrigerant in second refrigeration cycle is from rear condenser core lower half
The side flow into, and flow out condenser after the ipsilateral heat exchange of the front condenser core upper half.
In order to scheme the refrigeration cycle of the refrigeration system comprising this condenser can as Fig. 7 with independent operating
7 be the schematic diagram for showing temperature regime when only making a refrigeration cycle (such as first refrigeration cycle) ON.Second system
When SAPMAC method circuit does not start, associated compressors do not work, and will not bring the circulation of refrigerant, the refrigerant of the first refrigeration cycle
It can only be flowed in the chiller core body of contact cold wind side.The condenser core of rear side not will receive the condenser core of front side
It influences, rear side may be implemented, the ability of condenser can be improved with Cryogenic air implementation heat exchange in front side.
This implementation form is illustrated for dividing two condenser cores in short transverse (i.e. up and down direction),
It may also be dividing two condenser cores on length direction (i.e. left and right directions), same effect also can reach.
In addition, this implementation form is illustrated by taking independent two refrigeration cycles as an example but it is also possible to be independence
Three or more refrigeration cycles etc., can be configured according to the number of refrigerating chamber.The optimum layout mode of condenser
All directly windward, to be stacked without front and back.But for example, if inner space is small it may be desirable to realize three or more refrigeration cycle,
Condenser can be then divided into upper, middle and lower three parts.
Those skilled in the art of the present technique can understand a variety of improvement or other implementation forms of the invention according to the above description.Therefore
Above description should be only interpreted as being used as illustrating, and be to execute this hair to those skilled in the art of the present technique's teaching
Bright optimal morphology and provide.It can be in without departing from the spirit of the invention, substantially changing its construction and function
The details of one or both.
Claims (7)
1. a kind of condenser, for the condenser in refrigeration system, the refrigeration system includes be respectively used to multiple rooms more
A refrigeration cycle；It is characterized in that,
The condenser is by multiple radiating surfaces projecting direction overlaps, mutually independent condenser core forms, each condensation
Device core is divided into multiple independent parts, each of single condenser core independent part in radiating surface direction
It is connected to different refrigeration cycles, and the part of multiple condenser cores being connected in same refrigeration cycle
It is to be arranged in series in the refrigeration cycle.
2. condenser according to claim 1, which is characterized in that
The refrigeration system includes two refrigeration cycles；
The condenser is by two radiating surfaces projecting direction overlaps, mutually independent condenser core forms, each condensation
Device core is divided up and down in radiating surface direction or left and right is divided into first part and second part；
Refrigerant in first refrigeration cycle is flowed into from the side of the first part of the first condenser core, and is condensed from second
It flows out the side of the first part of device core；
Refrigerant in second refrigeration cycle is flowed into from the side of the second part of the first condenser core, and from second
It flows out the side of the second part of condenser core.
3. condenser according to claim 2, which is characterized in that
First condenser core is located at the upstream side of heat exchange air flow direction relative to second condenser core,
And the first part of first condenser core and the first part of second condenser core are in radiating surface projecting direction
It overlaps, the second part of the second part of first condenser core and second condenser core is projected in radiating surface
Direction overlaps.
4. condenser according to claim 1, which is characterized in that
The refrigeration system includes two refrigeration cycles；
The condenser is by two radiating surfaces projecting direction overlaps, mutually independent condenser core forms, each condensation
Device core is divided up and down in radiating surface direction or left and right is divided into first part and second part；
Refrigerant in first refrigeration cycle is flowed into from the side of the first part of the first condenser core, and is condensed from second
It flows out the side of the second part of device core；
Refrigerant in second refrigeration cycle is flowed into from the side of the second part of the first condenser core, and from second
It flows out the side of the first part of condenser core.
5. condenser according to claim 4, which is characterized in that
First condenser core is located at the upstream side of heat exchange air flow direction relative to second condenser core,
And the second part of the first part of first condenser core and second condenser core is in radiating surface projecting direction
It is staggered, the first part of the second part of first condenser core and second condenser core projects in radiating surface
Direction is staggered.
6. condenser according to claim 1, which is characterized in that
The refrigeration system includes two refrigeration cycles；
The condenser is by two radiating surfaces projecting direction overlaps, mutually independent condenser core forms, each condensation
Device core is divided up and down in radiating surface direction or left and right is divided into first part and second part；
Refrigerant in first refrigeration cycle is flowed into from the side of the first part of the first condenser core, and is condensed from second
It flows out the side of the first part of device core；
Refrigerant in second refrigeration cycle is flowed into from the other side of the second part of the first condenser core, and cold from second
It flows out the other side of the second part of condenser core.
7. a kind of refrigeration system, has the condenser according to any one of the claims 1 to 6, multiple refrigeration are followed
Loop back path shares a condenser.
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| CN104641199A (en) * | 2012-09-21 | 2015-05-20 | 马勒国际公司 | Condenser |
| JP2015178921A (en) * | 2014-03-19 | 2015-10-08 | サンデンホールディングス株式会社 | Refrigeration device |
| CN204513861U (en) * | 2014-06-30 | 2015-07-29 | 株式会社京滨冷暖科技 | Heat exchanger unit |
| CN205002449U (en) * | 2015-08-20 | 2016-01-27 | 新昌县皓迪制冷有限公司 | High -efficient refrigerator fan condenser |
| CN106440433A (en) * | 2016-09-29 | 2017-02-22 | 同济大学 | Efficient air conditioning unit with multiple refrigerant loops |
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