CN108700344A - Heat exchange unit - Google Patents
Heat exchange unit Download PDFInfo
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- CN108700344A CN108700344A CN201780012665.6A CN201780012665A CN108700344A CN 108700344 A CN108700344 A CN 108700344A CN 201780012665 A CN201780012665 A CN 201780012665A CN 108700344 A CN108700344 A CN 108700344A
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- Prior art keywords
- compressor
- heat exchange
- working media
- hfo
- exchange unit
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/20—Electric components for separate outdoor units
- F24F1/24—Cooling of electric components
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0089—Systems using radiation from walls or panels
-
- 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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/10—Compression machines, plants or systems with non-reversible cycle with multi-stage compression
-
- 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
- F25B31/00—Compressor arrangements
- F25B31/006—Cooling of compressor or motor
-
- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
-
- 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
- F25B2309/00—Gas cycle refrigeration machines
- F25B2309/06—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide
-
- 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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2513—Expansion valves
-
- 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2106—Temperatures of fresh outdoor air
-
- 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2115—Temperatures of a compressor or the drive means therefor
- F25B2700/21152—Temperatures of a compressor or the drive means therefor at the discharge side of the compressor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Lubricants (AREA)
- Compressor (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The present invention heat exchange unit (1) have be compressed in recycled in refrigeration cycle contain 1, the compressor (11) of the working media of 1,2- trifluoro-ethylenes, the heat exchanger (12) being arranged in refrigeration cycle and the radiating subassembly to radiate without using working media and to the heat generated in compressor (11).Radiating subassembly in the present invention can be constituted using such as air blower, radiator, draining feed unit etc..
Description
Technical field
The present invention relates to heat exchange units, are especially used for the heat exchange unit of refrigerating circulatory device.
Background technology
In the refrigerating circulatory devices such as air-conditioning and refrigeration refrigeration machine, hydrofluorocarbon (HFC) class refrigerant work is widely used
For working media (being also denoted as refrigerant below).But the chamber effect potential value of HFC (GWP) is high, it may be the whole world to be noted
The reason of warming.Therefore, there is an urgent need to develop the small and low chamber effect potential value refrigeration cycle recruitments of the influence to ozone layer
Make medium.As the influence to ozone layer, small and small the influence to global warming refrigeration cycle working media, has studied and contains
There is the working media of the HF hydrocarbon (HFO) with the carbon-to-carbon double bond for being easy to be decomposed by the OH free radicals in air.Patent document
1 describes the refrigerating circulatory device for having used the working media containing 1,1,2- trifluoro-ethylenes (HFO-1123).
Existing technical literature
Patent document
Patent document 1:Japanese Patent Laid-Open 2015-145452 bulletins
Invention content
The technical problems to be solved by the invention
If applying certain energy to HFO-1123 in the state of high temperature and pressure, it may recur and referred to as be disproportionated
React the chemical reaction with fever of (selfdecomposition reaction).Disproportionated reaction refers to 2 or more same kind of molecule phases
Mutual reactance and the chemical reaction for generating different types of product of more than two kinds.Therefore, the work containing HFO-1123 is being used
Make in the refrigerating circulatory device of medium, needs the generation for inhibiting this disproportionated reaction.
In view of above-mentioned technical problem, the purpose of the present invention is to provide the heat that can inhibit HFO-1123 that disproportionated reaction occurs
Crosspoint.
Technical scheme applied to solve the technical problem
The present invention the 1st form heat exchange unit have be compressed in recycled in refrigeration cycle contain 1,1,2- trifluoro second
The compressor of the working media of alkene, the heat exchanger being arranged in the refrigeration cycle and right without using the working media
The radiating subassembly that the heat generated in the compressor radiates.
The heat exchange unit of the 2nd form of the present invention is also equipped with increase in the heat exchanger in above-mentioned heat exchange unit
Surface flow air-flow to promote the air blower of the heat exchange of the heat exchanger and by the space configured with the air blower
The demarcation strip separated with the space configured with the compressor.The demarcation strip is in the demarcation strip and the compressor pair
The position answered is formed with blow vent, and the radiating subassembly is by the Blast mechanism at using the air-flow conveyed from the air blower
It radiates to the heat of the compressor.
The heat exchange unit of the 3rd form of the present invention has in above-mentioned heat exchange unit and will convey from the air blower
The flow direction of a part for air-flow is changed to the wind direction board towards the compressor side.
In the heat exchange unit of the 4th form of the present invention, the air blower in above-mentioned heat exchange unit has will be described
The wind direction of air blower is switched to the wind direction switching part towards the compressor side.
The heat exchange unit of the 5th mode of the present invention has detection in above-mentioned heat exchange unit and is discharged from the compressor
The test section of temperature of working media, the temperature of the judgement working media whether be higher than determination unit, the root of defined temperature
The 1st control unit of the wind direction switching part is controlled according to the judgement result of the determination unit, the 1st control unit is in the work
The temperature of medium higher than temperature as defined in described in the case of control the wind direction switching part so that the air blower wind direction court
To the compressor side.
In the heat exchange unit of the 6th form of the present invention, it is arranged in the compressor in above-mentioned heat exchange unit useful
Radiator (the Japanese that the heat generated in the compressor radiates:ヒ ー ト シ Application Network) it is used as the radiating subassembly.
The heat exchange unit of the 7th mode of the present invention is also equipped in above-mentioned heat exchange unit generates the refrigeration cycle
Draining (Japanese:De レ Application water) supply to the surface of the compressor using the draining feed unit of the cooling compressor as
The radiating subassembly.
In the heat exchange unit of the 8th mode of the present invention, in above-mentioned heat exchange unit, the draining feed unit has
Store the draining storage unit for the draining that the refrigeration cycle generates, the temperature that detects the working media being discharged from the compressor
Test section judges whether the temperature of the working media drains higher than the determination unit of defined temperature, to described from the draining
The solenoid valve and controlled according to the judgement result of the determination unit that supply of the storage unit to the surface of the compressor switches over
Make the 2nd control unit of the solenoid valve.2nd control unit is higher than the defined temperature in the temperature of the working media
In the case of make the solenoid valve be in open state, from the draining storage unit to the surface of the compressor supply draining.
Invention effect
By means of the invention it is possible to provide the heat exchange unit that can inhibit HFO-1123 that disproportionated reaction occurs.
The brief description of accompanying drawing
Fig. 1 is the figure for illustrating refrigerating circulatory device.
Fig. 2 is the figure for illustrating refrigerating circulatory device.
Fig. 3 A are an exemplary vertical views of the heat exchange unit for indicating embodiment 1.
Fig. 3 B are an exemplary front views of the heat exchange unit for indicating embodiment 1.
Fig. 3 C are an exemplary side views of the heat exchange unit for indicating embodiment 1.
Fig. 4 is another the exemplary side view for the heat exchange unit for indicating embodiment 1.
Fig. 5 is an exemplary vertical view of the heat exchange unit for indicating embodiment 2.
Fig. 6 is an exemplary front view of the heat exchange unit for indicating embodiment 3.
Fig. 7 A are the vertical views of the operation of the heat exchange unit for illustrating embodiment 3.
Fig. 7 B are the vertical views of the operation of the heat exchange unit for illustrating embodiment 3.
Fig. 8 is an exemplary vertical view of the heat exchange unit for indicating embodiment 4.
Fig. 9 is an exemplary side view of the heat exchange unit for indicating embodiment 5.
Specific implementation mode
Hereinafter, the embodiments of the present invention will be described with reference to the drawings.
First, the working media (refrigerant) used in the refrigerating circulatory device of the present invention is illustrated.
< working medias >
(HFO-1123)
The working media used in the present invention contains 1,1,2- trifluoro-ethylenes (HFO-1123).HFO- is shown in table 1
1123 characteristic as working media, wherein especially (mass ratio of HFC-32 and HFC-125 are 1 with R410A:1 near-azeotrope
Mix refrigerant) it has carried out relatively.Cycle performance is indicated with the efficiency factor and refrigerating capacity that are found out with aftermentioned method.
The efficiency factor and refrigerating capacity of HFO-1123 on the basis of R410A (1.000) uses relative value (hereinafter referred to as relative efficiency coefficient
And relative cooling power) indicate.Chamber effect potential value (GWP) is inter-governmental climate change Professional Committee (IPCC) the 4th
100 years values shown in appraisal report book (2007), or 100 years values measuring in the method.If in this specification
Without special instruction, then GWP refers to the value.When working media is made of mixture, as described later, temperature gradient is appraisal medium
An important factor for, preferably smaller value.
[Table 1]
Table 1
| R410A | HFO-1123 | |
| Relative efficiency coefficient | 1.000 | 0.921 |
| Relative cooling power | 1.000 | 1.146 |
| Wen Dutidu [℃] | 0.2 | 0 |
| GWP | 2088 | 0.3 |
[Ren Yichengfen ]
The working media used in the present invention preferably comprises HFO-1123, within the scope of the effect of the invention,
It also can arbitrarily contain the compound used usually as working media in addition to HFO-1123.As this arbitrary compound
(any ingredient), for example, can enumerate other than HFC and HFO-1123 HFO (with carbon-to-carbon double bond HFC), these compounds with
It is outer with HFO-1123 co-gasifications, liquefied other compositions etc..As any ingredient, preferably other than HFC, HFO-1123
HFO (HFC with carbon-to-carbon double bond).
It is used to have when thermal cycle as any ingredient, after preferably for example combining with HFO-1123 and further increases above-mentioned phase
While to the effect of efficiency factor and relative cooling power, GWP and temperature gradient rest on the compound in permissible range.Work
If making medium contains this compound combined with HFO-1123, GWP is being maintained into low-level and is being obtained more good
Cycle performance while, by temperature gradient generate influence it is also seldom.
(temperature gradient)
In the case where working media contains such as HFO-1123 and any ingredient, except HFO-1123 and any ingredient are total
Except the case where boiling composition, there is sizable temperature gradient.The temperature gradient of working media according to the type of any ingredient with
And HFO-1123 and the mixed proportion of any ingredient and it is different.
In the case of using mixture as working media, it is usually preferred to use azeotropic mixture or the approximation such as R410A
Azeotropic mixture.Non-azeotropic compositions exists when being filled from pressure vessel to refrigeration air-conditioner machine forms changed ask
Topic.Further, in the case where leakage of refrigerant occurs for refrigeration air-conditioner machine, the refrigerant composition in refrigeration air-conditioner machine occurs
The possibility of variation is very big, it is difficult to restore to the refrigerant of original state to form.On the other hand, if it is azeotropic mixture or closely
Like azeotropic mixture, then the above problem can be avoided.
The index using possibility of working media as evaluation mixture, generally uses " temperature gradient ".Temperature ladder
Degree is defined as initial temperature being evaporated in heat exchanger, such as evaporator or being condensed in the condenser property different with final temperature
Matter.The case where temperature gradient of azeotropic mixture is 0, near-azeotropic mixture, such as the temperature gradient of R410A is 0.2, temperature
Gradient is extremely close to 0.
If temperature gradient is big, there is a possibility that the inlet temperature of such as evaporator reduces and frosting is caused to be increased
Problem.Further, in heat circulating system, usually make the working media flowed in heat exchanger to improve heat exchanger effectiveness
Convection current is formed with heat source fluids such as water and air, the temperature difference of the heat source fluid is small under steady running state, therefore in temperature
In the case of the big non-azeotrope blending agent of gradient, it is difficult to obtain the good heat circulating system of energy efficiency.Therefore, by mixture
As working media in use, being contemplated to be the working media with suitable temperature gradient.
(HFC)
As the HFC of any ingredient, preferably selected from the above point of view.Herein, it is known that compared with HFO-1123,
The GWP highers of HFC.Therefore, it as the HFC combined with HFO-1123, is preferably suitably selected from following viewpoint:In addition to
Except improving the cycle performance of above-mentioned working media and temperature gradient being made to rest in appropriate range, it is important to that GWP is made to stop
In permissible range.
As influencing small and small to influenced by global warming HFC on ozone layer, the HFC of specific preferably carbon number 1~5.HFC
Either straight-chain, can also be branched, it can also be cyclic annular.
As HFC, HFC-32, Difluoroethane, trifluoroethane, tetrafluoroethane, HFC-125, pentafluoropropane, hexafluoro can be enumerated
Propane, heptafluoro-propane, 3-pentafluorobutane, seven fluorine pentamethylene etc..
Wherein, as HFC, from the viewpoint of influencing small and freeze cycle characteristic good to ozone layer, preferably HFC-
32,1,1- Difluoroethanes (HFC-152a), 1,1,1- trifluoroethane (HFC-143a), 1,1,2,2- tetrafluoroethane (HFC-134),
HFA 134a (HFC-134a) and HFC-125, more preferable HFC-32, HFC-152a, HFC-134a and HFC-
125。
HFC can be used alone a kind, can also two or more be applied in combination.
HFC contents in working media (100 mass %) can carry out arbitrary selection according to the requirement characteristic of working media.Example
Such as, when constituting working media by HFO-1123 and HFC-32, range that the content of HFC-32 is 1~99 mass % then efficiency factor
It is improved with refrigerating capacity.When constituting working media by HFO-1123 and HFC-134a, the content of HFC-134a is 1~99 matter
Then efficiency factor is improved the range of amount %.
In addition, the GWP about above-mentioned preferred HFC, HFC-32 675, HFC-134a 1430, HFC-125 3500.
Inhibit from the point of view of low-level from by the GWP of gained working media, as the HFC of any ingredient, most preferably HFC-32.
In addition, the mass ratio of HFO-1123 and HFC-32 is 99:1~1:It can be then formed in 99 compositing range close to altogether
The near-azeotropic mixture of boiling does not almost have to selection compositing range, and the temperature gradient of the mixture of the two is just close to 0.From this
A little consider, as the HFC combined with HFO-1123, HFC-32 is also advantageous.
In working media used in the present invention, in the case of using HFO-1123 and HFC-32 at the same time, relative to work
The content of medium 100 mass %, HFC-32 are specifically preferably more than 20 mass %, more preferably 20~80 mass %, further
Preferably 40~60 mass %.
In working media used in the present invention, such as when containing HFO-1123, as the HFO other than HFO-1123, from
With high-critical temperature, durability and efficiency factor it is excellent from the point of view of, preferably HFO-1234yf (GWP=4), HFO-
1234ze (E), HFO-1234ze (Z) (GWP of (E) body and (Z) body is 6), more preferable HFO-1234yf, HFO-1234ze
(E).HFO other than HFO-1123 can be used alone a kind, two or more can also be applied in combination.Working media (100 matter
Measure %) in HFO-1123 other than HFO contents can carry out arbitrary selection according to the requirement characteristic of working media.For example, by
When HFO-1123 and HFO-1234yf or HFO-1234ze constitutes working media, the content of HFO-1234yf or HFO-1234ze are
Then efficiency factor is improved the range of 1~99 mass %.
Working media used in the present invention when containing HFO-1123 and HFO-1234yf preferred compositing range with
It is lower to be indicated with compositing range (S).
In addition, indicate compositing range (S) it is various in, the abbreviation of each compound is indicated relative to HFO-1123, HFO-
The ratio (quality %) of the compound of the total amount of 1234yf and other compositions (HFC-32 etc.).
<Compositing range (S)s >
The mass of HFO-1123+HFO-1234yf≤70 %
The 95 mass %≤HFO-1123/ (mass of HFO-1123+HFO-1234yf)≤35 %
The GWP of the working media of compositing range (S) is extremely low, and temperature gradient is small.In addition, from efficiency factor, refrigerating capacity with
Also can be in be now able to substitute the refrigeration cycle performance of previous R410A and from the point of view of critical-temperature.
In the working media of compositing range (S), relative to the total amount of HFO-1123 and HFO-1234yf, the ratio of HFO-1123
Example more preferable 40~95 mass %, further preferred 50~90 mass %, particularly preferred 50~85 mass %, most preferably 60~85
Quality %.
In addition, more preferable 80~100 matter of total content of the HFO-1123 and HFO-1234yf in 100 mass % of working media
Measure %, further preferred 90~100 mass %, particularly preferred 95~100 mass %.
Further, the present invention used in working media preferably comprise HFO-1123, HFC-32 and HFO-1234yf, containing
Range (P) is preferably constituted when HFO-1123, HFO-1234yf and HFC-32 as follows.
In addition, indicate compositing range (P) it is various in, the abbreviation of each compound is indicated relative to HFO-1123, HFO-
The ratio (quality %) of the compound of the total amount of 1234yf and HFC-32.Compositing range (R), compositing range (L), compositing range
(M) also the same such.In addition, in the compositing range recorded below, HFO-1123, HFO-1234yf and HFC-32 for specifically recording
Total amount relative to working medium for heat cycle total amount be preferably greater than 90 mass % and below 100 mass %.
<Compositing range (P)s >
70 mass %≤HFO-1123+HFO-1234yf
30 mass of mass %≤HFO-1123≤80 %
The 0 mass % < mass of HFO-1234yf≤40 %
The 0 mass % < mass of HFC-32≤30 %
The mass of HFO-1123/HFO-1234yf≤95/5 %
Working media with above-mentioned composition is the characteristic that respectively has of HFO-1123, HFO-1234yf and HFC-32 with good
Good balance is played and inhibits the working media of respective disadvantage.It is suppressed that is, the working media is GWP
For extremely low level, when for thermal cycle since temperature gradient is small and it is good to obtain with certain ability and efficiency
Cycle performance working media.Herein, the total amount relative to HFO-1123, HFO-1234yf and HFC-32, HFO-1123 and
The total amount of HFO-1234yf is preferably more than 70 mass %.
In addition, the preferred composition as working media used in the present invention, can enumerate relative to HFO-1123, HFO-
The total amount of 1234yf and HFC-32, the content ratio of HFO-1123 are that the content ratio of 30~70 mass %, HFO-1234yf is 4
The content ratio of~40 mass % and HFC-32 is containing for 0~30 mass % and the HFO-1123 relative to working media total amount
Amount is in 70 moles of % compositions below.Not only said effect is improved the working media of the range, and HFO-1123's divides certainly
Solution reaction is also inhibited, and is the high working media of durability.From the viewpoint of opposite efficiency factor, the content of HFC-32 is excellent
5 mass % or more are selected in, more preferably more than 8 mass %.
In addition, further it is shown that when the working media used in the present invention contains HFO-1123, HFO-1234yf and HFC-32
Other are preferably constituted, as long as relative to the content of the HFO-1123 of working media total amount in 70 moles of % hereinafter, as long as can be obtained
Working media suppressed, that durability is high is reacted in the selfdecomposition of HFO-1123.
Further preferred compositing range (R) described below.
<Compositing range (R)s >
10 mass %≤HFO-1123 <, 70 mass %
The 0 mass % < mass of HFO-1234yf≤50 %
The 30 mass % < mass of HFC-32≤75 %
Working media with above-mentioned composition is the characteristic that respectively has of HFO-1123, HFO-1234yf and HFC-32 with good
Good balance is played and inhibits the working media of respective disadvantage.That is, GWP is suppressed in low-level and resistance to
It is that long property is ensured, when for thermal cycle since temperature gradient is small and can be obtained good with ability and efficiency
The working media of cycle performance.
The preferred scope of the working media of the present invention with above-mentioned compositing range (R) is described below.
20 mass %≤HFO-1123 <, 70 mass %
The 0 mass % < mass of HFO-1234yf≤40 %
The 30 mass % < mass of HFC-32≤75 %
Working media with above-mentioned composition is the characteristic that respectively has of HFO-1123, HFO-1234yf and HFC-32 with spy
Not good balance is played and inhibits the working media of respective disadvantage.That is, GWP is suppressed in low-level
And durability ensured, when for thermal cycle due to temperature gradient smaller and can with higher ability and efficiency
Obtain the working media of good cycle performance.
The preferred compositing range (L) of the working media of the present invention with above-mentioned compositing range (R) is described below.
Further preferred compositing range (M).
<Compositing range (L)s >
10 mass %≤HFO-1123 <, 70 mass %
The 0 mass % < mass of HFO-1234yf≤50 %
The 30 mass % < mass of HFC-32≤44 %
<Compositing range (M)s >
20 mass %≤HFO-1123 <, 70 mass %
5 mass of mass %≤HFO-1234yf≤40 %
The 30 mass % < mass of HFC-32≤44 %
Working media with above-mentioned compositing range (M), which is HFO-1123, HFO-1234yf and HFC-32, respectively to be had
Characteristic is played with particularly good balance and inhibits the working media of respective disadvantage.That is, the working media
Be the GWP upper limits be suppressed in 300 or less and durability ensured, when for thermal cycle due to temperature gradient be less than
5.8 low value and relative efficiency coefficient and relative cooling power can obtain the working media of good cycle performance close to 1.
If falling into the range, the upper limit of temperature gradient reduces, the lower limit of relative efficiency coefficient × relative cooling power
It improves.From the point of view of opposite efficiency factor is big, more preferably 8 mass %≤HFO-1234yf.In addition, from opposite refrigeration energy
From the point of view of power is big, the mass of more preferable HFO-1234yf≤35 %.
In addition, other working medias used in the present invention preferably comprise HFO-1123, HFC-134a, HFC-125 and
HFO-1234yf can inhibit the combustibility of working media by the composition.
Further preferably HFO-1123, HFC-134a, HFC-125 and HFO-1234yf are situated between preferably with respect to work
Matter total amount, the sum-rate of HFO-1123, HFC-134a, HFC-125 and HFO-1234yf are more than 90 mass % and in 100 matter
% is measured hereinafter, total amount relative to HFO-1123, HFC-134a, HFC-125 and HFO-1234yf, the ratio of HFO-1123 is 3
35 mass % of quality % or more hereinafter, HFC-134a ratio more than 10 mass % 53 mass % hereinafter, HFC-125 ratio
The 50 mass % more than 4 mass % hereinafter, HFO-1234yf ratio more than 5 mass % 50 mass % or less.Pass through to be formed
For this working media, then working media has noninflammability and safety is excellent, further reduces and becomes to ozone layer and the whole world
Warm influence can become cycle performance more excellent working media when being used for heat circulating system.
Most preferably HFO-1123, HFC-134a, HFC-125 and HFO-1234yf, more preferably relative to working media
Total amount, the sum-rate of HFO-1123, HFC-134a, HFC-125 and HFO-1234yf are more than 90 mass % and in 100 mass %
Hereinafter, the total amount relative to HFO-1123, HFC-134a, HFC-125 and HFO-1234yf, the ratio of HFO-1123 is in 6 matter
Measure 25 mass % of % or more hereinafter, HFC-134a ratio more than 20 mass % 35 mass % hereinafter, the ratio of HFC-125 exists
8 mass % or more, 30 mass % hereinafter, HFO-1234yf ratio more than 20 mass % 50 mass % or less.By using this
Kind working media, then working media has noninflammability and safety is more excellent, further reduces to ozone layer and the whole world
The influence warmed can become cycle performance further more excellent working media when being used for heat circulating system.
(any other ingredient)
The heat circulating system of the present invention in addition to above-mentioned any ingredient, can also contain two with the working media used in composition
Carbonoxide, hydrocarbon, chlorine fluoroolefins (CFO), hydro-chloro fluoroolefin (HCFO) etc..As any other ingredient, preferably ozone layer is influenced
Small and small to influenced by global warming ingredient.
As hydrocarbon, propane, propylene, cyclopropane, butane, iso-butane, pentane, isopentane etc. can be enumerated.
Hydrocarbon can be used alone a kind, can also two or more be applied in combination.
In the case where above-mentioned working media contains hydrocarbon, content is less than 10 matter relative to 100 mass % of working media
Measure %, preferably 1~5 mass %, more preferable 3~5 mass %.If hydrocarbon is larger than lower limiting value, working media chats species refrigeration
The dissolubility of machine oil is more good.
As CFO, chlorine fluoropropene and chlorine vinyl fluoride etc. can be enumerated.From preventing from being greatly reduced the cycle performance of working media simultaneously
It is easy from the perspective of the combustibility for inhibiting working media, as CFO, preferably 1,1- bis- chloro- 2,3,3,3- tetrafluoropropene (CFO-
1214ya), bis- chloro- 1,2,3,3- tetrafluoropropenes (CFO-1214yb) of 1,3-, bis- chloro- 1,2- difluoroethylenes (CFO- of 1,2-
1112)。
CFO can be used alone a kind, can also two or more be applied in combination.
In the case where working media contains CFO, content is less than 10 matter relative to 100 mass % of working media
Measure %, preferably 1~8 mass %, more preferable 2~5 mass %.If the content of CFO is larger than lower limiting value, it is easy that work is inhibited to be situated between
The combustibility of matter.If the content of CFO is below the upper limit, it is easy to get good cycle performance.
As HCFO, hydrogen chlorine fluoropropene and hydrogen chlorine vinyl fluoride etc. can be enumerated.From the cycle for preventing that working media is greatly reduced
Performance is simultaneously easy from the perspective of the combustibility for inhibiting working media, as HCFO, preferably 1- chloro- 2,3,3,3- tetrafluoropropenes
(HCFO-1224yd), the chloro- 1,2- difluoroethylenes (HCFO-1122) of 1-.
HCFO can be used alone a kind, can also two or more be applied in combination.
In the case where above-mentioned working media contains HCFO, the content of HCFO is less than 10 matter in 100 mass % of working media
Measure %, preferably 1~8 mass %, more preferable 2~5 mass %.If the content of HCFO is larger than lower limiting value, it is easy to inhibit work
The combustibility of medium.If the content of HCFO is below the upper limit, it is easy to get good cycle performance.
It is any other in working media when the working media for the present invention contains any other ingredient as described above
The total content of ingredient is less than 10 mass %, preferably in 8 mass % hereinafter, more preferably 5 relative to 100 mass % of working media
Quality % or less.
< refrigerating circulatory devices >
Then, the refrigerating circulatory device of the heat exchange unit comprising the present invention is illustrated.Fig. 1 is to include for explanation
The figure of the refrigerating circulatory device of the heat exchange unit of the present invention.
As shown in Figure 1, refrigerating circulatory device 100 have compressor 11, heat exchanger 12, expansion valve 13, heat exchanger 14,
Accumulator 15, switching valve 16 and air blower 17,21.Fig. 1 is shown in heat exchange unit 1 comprising compressor 11, heat exchanger
12, the example of expansion valve 13, accumulator 15, switching valve 16 and air blower 21, heat exchange unit 1 of the invention at least have pressure
Contracting machine 11 and heat exchanger 12.
Refrigerating circulatory device 100 is, for example, air conditioner and refrigeration refrigeration machine etc..For example, having used system in air conditioner
In the case of SAPMAC method device 100, heat exchanger 1 corresponds to outdoor unit, and heat exchanger 14 corresponds to the heat that indoor unit has
Exchanger.
In refrigerating circulatory device 100 shown in FIG. 1, show heat exchanger 12 radiated to heat, heat exchanger 14 it is right
The state that heat is absorbed heat.For example, in the case that refrigerating circulatory device 100 is air conditioner, Fig. 1 shows refrigeration operation or defrosting fortune
The state turned.
The working media containing HFO-1123 is set to be handed over successively along compressor 11, heat in refrigerating circulatory device 100 shown in FIG. 1
Parallel operation 12, expansion valve 13, heat exchanger 14, accumulator 15 recycle and form refrigeration cycle.Specifically, from 11 row of compressor
The working media (steam) of the high temperature and pressure gone out is supplied to heat exchanger 12 via switching valve 16.It supplies to heat exchanger 12
Air heat release around working media heat exchanger 12 simultaneously condenses.At this point, by the way that air blower is arranged near heat exchanger 12
21, the air-flow (that is, air quantity) in the surface flow of heat exchanger 12 can be increased, and then the heat in heat exchanger 12 can be promoted
It exchanges (heat dissipation).The working media of liquid is condensed into from the supply of heat exchanger 12 to expansion valve 13, expanded valve 13 depressurizes.
The working media that expanded valve 13 depressurizes is supplied to heat exchanger 14, and it is low to be expanded to low temperature in heat exchanger 14
Pressure condition reduces the surface temperature of heat exchanger 14.The heat exchanger 14 that surface temperature reduces absorbs heat from the air of surrounding, by
Air around this cooling heat exchanger 14.At this point, by the way that air blower 17 is arranged near heat exchanger 14, can increase in heat
The air-flow of the surface flow of exchanger 14, and then the heat exchange (heat absorption) in heat exchanger 14 can be promoted.In heat exchanger 14
Heat absorption after the gaseous working medium of low temperature return to compressor 11 via switching valve 16 and accumulator 15.Into accumulator 15
The part liquefaction of working media, the working media of the part to have liquefied are stored in accumulator 15.
On the other hand, refrigerating circulatory device 200 shown in Fig. 2 shows that the heat absorption of heat exchanger 12, heat exchanger 14 are radiated
State.For example, in the case that refrigerating circulatory device 200 is air conditioner, Fig. 2 indicates the state of heating operating.
The working media containing HFO-1123 is set to be handed over successively along compressor 11, heat in refrigerating circulatory device 200 shown in Fig. 2
Parallel operation 14, expansion valve 13, heat exchanger 12, accumulator 15 recycle and form refrigeration cycle.Refrigerating circulatory device shown in Fig. 2
In 200, the loop direction of working media is opposite with the direction in refrigerating circulatory device 100 shown in FIG. 1.The cycle of working media
Direction can be converted by the switching of switching valve 16.
As shown in Fig. 2, the working media (steam) for the high temperature and pressure being discharged from compressor 11 is supplied to via switching valve 16
To heat exchanger 14.Supply is to the air heat release around the working media heat exchanger 14 of heat exchanger 14 and condenses.At this point,
By the way that air blower 17 is arranged near heat exchanger 14, the air-flow in the surface flow of heat exchanger 14, Jin Erneng can be increased
Enough promote the heat exchange (heat dissipation) in heat exchanger 14.The working media of liquid is condensed into from the supply of heat exchanger 14 to expansion valve
13, expanded valve 13 depressurizes.
The working media that expanded valve 13 depressurizes is supplied to heat exchanger 12, and it is low to be expanded to low temperature in heat exchanger 12
Pressure condition reduces the surface temperature of heat exchanger 12.The heat exchanger 12 that surface temperature reduces absorbs heat from the air of surrounding.This
When, by the way that air blower 21 is arranged near heat exchanger 12, the air-flow in the surface flow of heat exchanger 12 can be increased, in turn
It can promote the heat exchange (heat absorption) in heat exchanger 12.The gaseous working medium of the low temperature after heat absorption in heat exchanger 12 passes through
Compressor 11 is returned to by switching valve 16 and accumulator 15.Into the part liquefaction of the working media of accumulator 15, liquefy
The working media of a part is stored in accumulator 15.
<The Gai Yao > of the present invention;
Then, the summary of the present invention is illustrated.
The heat exchange unit of the present invention has the work containing 1,1,2- trifluoro-ethylenes for being compressed in and being recycled in refrigeration cycle
The compressor of medium, the heat exchanger being arranged in refrigeration cycle and the heat to being generated in compressor without using working media
The radiating subassembly to radiate.The heat exchange unit of the present invention has the heat dissipation group to radiate to the heat generated in compressor
Part, therefore the cooling of compressor can be promoted.Therefore, it is possible to inhibit HFO-1123 that disproportionated reaction occurs.
In embodiments described below 1~3, radiating subassembly is constituted (with reference to Fig. 3 A) using air blower 21.That is, using from
The air-flow that air blower 21 conveys radiates to the heat of compressor.
In addition, in embodiments described below 4, radiating subassembly is constituted (with reference to Fig. 8) using radiator 51.That is, passing through
Radiator 51 is set in compressor 11, is radiated to the heat generated in compressor.
In addition, in embodiments described below 5, using draining feed unit (with reference to draining storage unit 62 shown in Fig. 9
Deng) constitute radiating subassembly.That is, supplied the draining generated in refrigeration cycle to the surface of compressor using draining feed unit,
Thereby radiate to the heat of compressor.
Hereinafter, detailed description of embodiments of the present invention.
1 > of < embodiments
First, embodiments of the present invention 1 are illustrated.Fig. 3 A~Fig. 3 C are to indicate that the heat of present embodiment is handed over respectively
Change an exemplary vertical view, front view and the side view of unit.As shown in Fig. 3 A~Fig. 3 C, heat exchange unit 1 is by copper coin
The inner containment of the framework 10 of equal formation has compressor 11, heat exchanger 12, accumulator 15 and air blower 21.In addition, Fig. 3 A~
Heat exchanger 1 shown in Fig. 3 C is an example, and Fig. 1, expansion valve shown in Fig. 2 13 and switching are also may include in heat exchanger 1
Valve 16.In addition, in order to show the internal state of heat exchanger 1 in Fig. 3 A~Fig. 3 C, to eliminate the shape of a part for framework 10
State is presented.
As shown in Figure 3A, shape is L-shaped to heat exchanger 12 when looking down, along the back side 10_1 of framework 10 and side
10_2 is configured.As shown in Figure 3B, air blower 21 is fixed on to upper surface 10_5 and the lower surface of framework 10 using fixing component 22
10_6.As shown in Figure 3A, air blower 21 is driven using motor 23.The back side 10_1 and front 10_3 of framework 10 are formed with ventilation
Mouthful, so that direction shown in arrow (dotted line) of the wind along Fig. 3 A is flowed by the rotation of air blower 21.It can thereby increase in heat
The air-flow of the surface flow of exchanger 12, and then promote the heat exchange of heat exchanger 12.
In addition, as shown in Figure 3A, heat exchanger 12 and the configuration of air blower 21 are by the back side 10_1 of framework 10, side
In the space 31 that 10_2, front 10_3 and demarcation strip 25 surround.In addition, compressor 11 and the configuration of accumulator 15 are by framework
In the space 32 that 10 back side 10_1, side 10_4, front 10_3 and demarcation strip 25 surround.In addition, in this specification, omit
The diagram of the piping 18 of the outlet side of compressor 11 and the piping of the entrance side of accumulator 15, these pipings and Fig. 1, Fig. 2 institute
The switching valve 16 shown connects.
In the heat exchange unit 1 of present embodiment, as shown in Figure 3 C, position corresponding with compressor 11 shape of demarcation strip 25
At there is blow vent 27.In other words, when observing heat exchange unit 1 under side view visual angle, blow vent 27 is formed in compressor 11 and divides
The position that partition board 25 is overlapped.In addition, in Fig. 3 A, Fig. 3 B, the position for being formed with blow vent 27 is represented by dotted lines.In addition, in Fig. 3 C
In, for the position of clear blow vent 27, it is represented by dotted lines compressor 11 and accumulator 15.As such, by demarcation strip 25
Blow vent 27 is formed, the air-flow flowed around compressor 11 can be increased, and then the cooling of compressor 11 can be promoted.Tool
For body, wind can be made to be flowed from the space 31 (with reference to Fig. 3 A) configured with air blower 21 to the space 32 configured with compressor 11
It is dynamic, the cooling of compressor 11 can be promoted.
In addition, the example that multiple blow vents 27 are formd on demarcation strip 25 is shown in Fig. 3 C, but the heat of present embodiment
The shape of blow vent in exchanger 1 is not limited to this shape.For example, as shown in figure 4, also can be formed and be compressed on demarcation strip 25
The corresponding blow vent of the size of machine 11 28.In this case, blow vent 28 is also formed in the corresponding with compressor 11 of demarcation strip 25
Position, that is, when with side view view heat exchange unit 1, be formed in the position that compressor 11 and demarcation strip 25 are overlapped.
As described above, if applying energy to HFO-1123 in the state of high temperature and pressure, may recur referred to as
The chemical reaction with fever of disproportionated reaction (selfdecomposition reaction).Therefore, the work containing HFO-1123 is being used to be situated between
In the refrigerating circulatory device of matter, the generation for inhibiting this disproportionated reaction is needed.This disproportionated reaction is particularly easy in working media
To occur in the compressor 11 of high temperature and pressure.
To in the heat exchange unit 1 of present embodiment, as shown in Figure 3 C, demarcation strip 25 it is corresponding with compressor 11
Position is formed with blow vent 27.As such, by forming blow vent 27 on demarcation strip 25, can increase around compressor 11
The air-flow of flowing, and then the cooling of compressor 11 can be promoted.Therefore, it is possible to inhibit HFO-1123 that disproportionated reaction occurs.
2 > of < embodiments
Then, embodiments of the present invention 2 are illustrated.
Fig. 5 is an exemplary vertical view of the heat exchange unit 2 for indicating embodiment 2.In addition, in Fig. 5 with embodiment party
1 identical structural element of formula is marked with identical symbol, and the description thereof will be omitted.
As shown in figure 5, the heat exchange unit 2 of present embodiment has a part for the air-flow conveyed from air blower 21
Flow direction is changed to the wind direction board 35 towards 11 side of compressor.Wind direction board 35 can for example use steel and resin material to be formed.Wind
Can be corresponding with compressor 11 to the height of plate 35, then it is fixed on the lower surface 10_6 of framework 10 in this case (with reference to Fig. 3 B).
In addition, wind direction board 35 can be formed along the mode that the upper and lower surface of framework 10 extends, wind direction board 35 can be fixed on frame at this time
The upper surface 10_5 and lower surface 10_6 of body 10 (with reference to Fig. 3).
In addition, wind direction board 35 axis can also rotate centered on the axis that the upper and lower directions of framework 10 extends.Thereby can
The direction that the air-flow reflected is adjusted with wind direction board 35, can make wind direction more precisely towards 11 side of compressor.
It is provided with wind direction board 35 in the heat exchange unit 2 of present embodiment, therefore the stream around compressor 11 can be increased
Dynamic air-flow.Thereby, the cooling of compressor 11, Jin Ergeng can further be promoted relative to the heat exchange unit 1 of embodiment 1
Disproportionated reaction occurs to effectively inhibit HFO-1123.
3 > of < embodiments
Then, embodiments of the present invention 3 are illustrated.
Fig. 6 is an exemplary front view of the heat exchange unit 3 for indicating embodiment 3.Fig. 7 A and Fig. 7 B are to use respectively
In the vertical view of the operation for the heat exchange unit 3 for illustrating embodiment 3.As shown in Fig. 6, Fig. 7 A, B, handed over the heat of embodiment 1
Change unit 1 the difference is that, the heat exchange unit 3 of present embodiment, which has, switches the wind direction of air blower 21 to compressor
The wind direction switching part 41 of 11 sides.Composition in addition to this is identical as the composition of heat exchange unit 1 illustrated in embodiment 1, because
This is marked with identical symbol to identical structural element, and the description thereof will be omitted.
As shown in Fig. 6, Fig. 7 A, B, the heat exchange unit 3 of present embodiment has wind direction switching part 41, test section 42, sentences
Determine portion 43 and control unit 44.Wind direction switching part 41 is configured to the wind direction of air blower 21 being switched to towards 11 side of compressor.
Specifically, as shown in Figure 7 A, 7 B, rotary shaft of the wind direction switching part 41 to extend along the upper and lower directions of heat exchange unit 3
The direction of air blower 21 is switched over centered on 48.Herein, Fig. 7 A indicate the state of the common wind direction of air blower 21, Fig. 7 B
Indicate the direction of air blower 21 towards the state of 11 side of compressor.
Test section 42 detects the temperature of working media being discharged from compressor 11, and the specially outlet side of compressor 11 is matched
Temperature in pipe 18.Whether the temperature for the working media that the judgement of determination unit 43 is detected by test section 42 is higher than defined temperature.Control
Portion 44 processed controls wind direction switching part 41 according to the judgement result of determination unit 43.Specifically, control unit 44 is in working media
In the case that temperature is higher than defined temperature, wind direction switching part 41 is controlled as shown in Figure 7 B so that the wind direction direction of air blower 21 is pressed
11 side of contracting machine.
Herein, the defined temperature as the determinating reference of determination unit 43 is set at less than working media HFO-1123 and occurs
The temperature of disproportionated reaction.That is, the temperature height of working media is then easy to happen disproportionated reaction, therefore disproportionation occurs instead in working media
Before answering, makes the wind direction of air blower 21 towards 11 side of compressor, promote the cooling of compressor 11.Thereby, compressor can be inhibited
11 occur disproportionated reaction.For example, by the way that defined temperature is set as lower temperature, it more can definitely inhibit disproportionation anti-
It answers.
4 > of < embodiments
Then, embodiments of the present invention 4 are illustrated.
Fig. 8 is an exemplary vertical view of the heat exchange unit 4 for indicating embodiment 4.In addition, in Fig. 8 with embodiment party
1 identical structural element of formula is marked with identical symbol, and the description thereof will be omitted.
As shown in figure 8, in the heat exchange unit 4 of present embodiment, it is provided in compressor 11 for compressor 11
The radiator 51 that the heat of interior generation radiates.Show that the part around compressor 11 is provided with radiator in Fig. 8
51 the case where, also can around compressor 11 whole installation radiator 51.In example shown in Fig. 8, show in compressor
The formation of demarcation strip 25 around 11 has the case where 27 side of blow vent is formed with radiator 51.As such, by demarcation strip
25 formation has 27 side of blow vent to form radiator 51, can be cooled effectively compressor 11.Constitute the material of radiator 51
In can use the high material of thermal conductivitys such as metal material.
It is provided with radiator 51 in the heat exchange unit 4 of present embodiment, therefore the cooling of compressor 11 can be promoted, into
And more effectively inhibit HFO-1123 that disproportionated reaction occurs.
In addition, present embodiment can also be combined with embodiment 2.That is, may also set up in heat exchange unit 4 shown in Fig. 8
Wind direction board 35 shown in fig. 5.By this composition, compressor 11 can be more effectively cooled down.In addition, present embodiment also may be used
It is combined with embodiment 3.That is, may also set up Fig. 6, Fig. 7 A, wind direction switching part shown in B in heat exchange unit 4 shown in Fig. 8
41, test section 42, determination unit 43 and control unit 44.By this composition, compressor 11 can be more effectively cooled down.
In addition, the invention of present embodiment can not also be combined with other embodiment, and it is single use.That is, in Fig. 8
In, can also be the composition that blow vent 27 is not set on demarcation strip 25.In this case, ventilation is set not on demarcation strip 25
Mouthful, it can radiate to the heat of compressor 11 via radiator 51.
5 > of < embodiments
Then, embodiments of the present invention 5 are illustrated.
Fig. 9 is an exemplary side view of the heat exchange unit 5 for indicating embodiment 5.With the heat exchange of embodiment 1
Unit 1 the difference is that, the heat exchange unit 5 of present embodiment is using the draining generated in refrigeration cycle to compressor 11
It is cooled down.Composition in addition to this is identical as the composition of heat exchange unit 1 illustrated in embodiment 1, therefore to identical
Structural element is marked with identical symbol, and the description thereof will be omitted.
As shown in figure 9, the heat exchange unit 5 of present embodiment has piping 61, draining storage unit 62, piping 62 and electromagnetism
Valve 64.These components constitute draining feed unit.
It drains storage unit 62 and stores the draining that refrigeration cycle generates.For example, draining results from refrigeration cycle dress shown in FIG. 1
It sets in 100 heat exchanger 14.The draining generated in refrigeration cycle is supplied to draining storage unit 62 via piping 61.Draining storage
Deposit the surface that the draining stored in portion 62 is supplied to compressor 11 via piping 63.Draining is from draining storage unit 62 to compressor
The supply on 11 surface can be switched using solenoid valve 64.Like this by draining supply to the surface of compressor 11, so as to cold
But compressor 11.
Make as shown in figure 9, the heat exchange unit 5 of present embodiment is also equipped with test section 66, determination unit 67 and control unit 68
To drain feed unit.Test section 66 detects the temperature of working media being discharged from compressor 11, and specially compressor 11 goes out
Temperature in the piping 18 of mouth side.Whether the temperature for the working media that the judgement of determination unit 67 is detected by test section 66 is higher than defined
Temperature.Control unit 68 controls solenoid valve 64 according to the judgement result of determination unit 67.Specifically, control unit 68 is in working media
Temperature higher than making in the case of defined temperature solenoid valve 64 be in open state, with from draining storage unit 62 to compressor 11
Surface cools down compressor 11 for plumbing.
Herein, the defined temperature as the determinating reference of determination unit 67 is set at less than working media HFO-1123 and occurs
The temperature of disproportionated reaction.That is, the temperature height of working media is then easy to happen disproportionated reaction, therefore disproportionation occurs instead in working media
Before answering, it is in open state to make solenoid valve 64, to cool down compressor 11 for plumbing to the surface of compressor 11.Thereby, energy
Enough inhibit compressor 11 that disproportionated reaction occurs.For example, by the way that defined temperature is set as lower temperature, can more determine
Ground inhibits disproportionated reaction.
In addition, the piping 63 to the surface of compressor 11 for plumbing is preferably shaped to equably to the table of compressor 11
Shape of the face for plumbing.For example, by installing nozzle in the front end of piping 63, can uniformly be supplied to compressor 11
Plumbing.In addition, the formation in demarcation strip 25 that also can be preferentially into the surface of compressor 11 has the side (reference of blow vent 27
Fig. 3 A) for plumbing.As such, by preferentially to the position of compressor 11 arrived by wind for plumbing, draining can be promoted
Evaporation, and then promote the cooling of compressor 11.
In addition, present embodiment can also be combined with embodiment 2.That is, may also set up in heat exchange unit 5 shown in Fig. 9
Wind direction board 35 shown in fig. 5.By this composition, compressor 11 can be more effectively cooled down.In addition, present embodiment also may be used
It is combined with embodiment 3.That is, may also set up Fig. 6, Fig. 7 A, wind direction switching part shown in B in heat exchange unit 5 shown in Fig. 9
41, test section 42, determination unit 43 and control unit 44.By this composition, compressor 11 can be more effectively cooled down.In addition,
In this case, test section 42,66, determination unit 43,67 and control unit 44,68 common can use.In addition, this embodiment party
Formula can also be combined with embodiment 4.That is, may also set up radiator 51 shown in Fig. 8 in compressor 11 shown in Fig. 9.Pass through this
Kind is constituted, and can more effectively cool down compressor 11.
In addition, the invention of present embodiment can not also be combined with other embodiment, and it is single use.That is, in Fig. 9
In, can also be the composition that blow vent is not set on demarcation strip 25.In this case, blow vent is not set on demarcation strip 25,
Draining can be used to radiate the heat of compressor 11.
It is right although describing the invention in detail or the present invention is described with reference to particular implementation
It should be apparent to those skilled in the art that do not depart from the present invention thought and range in the case of can make various changes and
Modification.The Japanese patent application (Japan Patent Patent 2016-030562) that the application was submitted for 2 months on the 22nd based on 2016, by it
Content is used as reference to be included in herein.
Symbol description
1,2,3,4,5 heat exchange unit
10 frameworks
11 compressors
12 heat exchangers
13 expansion valves
14 heat exchangers
15 accumulators
16 switching valves
17,21 air blower
22 fixing components
23 motor
25 demarcation strips
27,28 blow vent
35 wind direction boards
41 wind direction switching parts
42,66 test section
43,67 determination unit
44,68 control unit
51 radiators
62 draining storage units
64 solenoid valves
Claims (9)
1. heat exchange unit has the pressure for being compressed in the working media for containing 1,1,2- trifluoro-ethylene recycled in refrigeration cycle
Contracting machine,
Be arranged the heat exchanger in the refrigeration cycle and
The radiating subassembly to radiate to the heat generated in the compressor without using the working media.
2. heat exchange unit as described in claim 1, which is characterized in that be also equipped with to increase and be flowed on the surface of the heat exchanger
Dynamic air-flow with promote the heat exchange of the heat exchanger air blower and
The demarcation strip that space configured with the air blower and the space configured with the compressor are separated,
The demarcation strip is formed with blow vent in demarcation strip position corresponding with the compressor,
The radiating subassembly by the Blast mechanism at, using the air-flow conveyed from the air blower to the compressor heat into
Row heat dissipation.
3. heat exchange unit as claimed in claim 2, which is characterized in that the heat exchange unit has will be from the air blower
The flow direction of a part for the air-flow of conveying is changed to the wind direction board towards the compressor side.
4. heat exchange unit as claimed in claim 3, which is characterized in that the wind direction board is with can be towards the compressor side
The mode of rotation is constituted.
5. heat exchange unit as claimed in claim 2, which is characterized in that the air blower has the wind direction of the air blower
Switch to the wind direction switching part towards the compressor side.
6. heat exchange unit as claimed in claim 5, which is characterized in that have the work that detection is discharged from the compressor
Make the temperature of medium test section,
Judge the working media temperature whether higher than defined temperature determination unit,
The 1st control unit of the wind direction switching part is controlled according to the judgement result of the determination unit,
1st control unit controls the wind direction in the case where the temperature of the working media is higher than the defined temperature and cuts
Portion is changed so that the wind direction of the air blower is towards the compressor side.
7. such as heat exchange unit according to any one of claims 1 to 6, which is characterized in that be arranged in the compressor useful
The radiator that the heat generated in the compressor radiates is as the radiating subassembly.
8. such as heat exchange unit according to any one of claims 1 to 7, which is characterized in that the heat exchange unit is also equipped with
The draining that the refrigeration cycle is generated is supplied to the surface of the compressor with the draining feed unit of the cooling compressor
As the radiating subassembly.
9. heat exchange unit as claimed in claim 8, which is characterized in that the draining feed unit has
Store the draining that the refrigeration cycle generates draining storage unit,
The test section of the temperature for the working media that detection is discharged from the compressor,
Judge the working media temperature whether higher than defined temperature determination unit,
The solenoid valve that switched over from the supply of the draining storage unit to the surface of the compressor to the draining and
The 2nd control unit of the solenoid valve is controlled according to the judgement result of the determination unit,
2nd control unit makes the solenoid valve be in the case where the temperature of the working media is higher than temperature as defined in described
Open state supplies the draining from the draining storage unit to the surface of the compressor.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-030562 | 2016-02-22 | ||
| JP2016030562 | 2016-02-22 | ||
| PCT/JP2017/004064 WO2017145713A1 (en) | 2016-02-22 | 2017-02-03 | Heat exchange unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108700344A true CN108700344A (en) | 2018-10-23 |
Family
ID=59685035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780012665.6A Pending CN108700344A (en) | 2016-02-22 | 2017-02-03 | Heat exchange unit |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20190003469A1 (en) |
| EP (1) | EP3421903A4 (en) |
| JP (1) | JPWO2017145713A1 (en) |
| CN (1) | CN108700344A (en) |
| WO (1) | WO2017145713A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7149494B2 (en) * | 2018-03-19 | 2022-10-07 | パナソニックＩｐマネジメント株式会社 | refrigeration cycle equipment |
| JP6960570B2 (en) * | 2018-10-29 | 2021-11-05 | パナソニックＩｐマネジメント株式会社 | Refrigeration cycle equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS551406A (en) * | 1978-06-12 | 1980-01-08 | Japan Storage Battery Co Ltd | Compressor for automobile cooler with water as coolant |
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| JP2015169402A (en) * | 2014-03-10 | 2015-09-28 | パナソニックＩｐマネジメント株式会社 | air conditioner |
| WO2015140882A1 (en) * | 2014-03-17 | 2015-09-24 | 三菱電機株式会社 | Refrigeration device |
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| JP2016027296A (en) * | 2014-07-02 | 2016-02-18 | 旭硝子株式会社 | Heat cycle system |
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- 2017-02-03 EP EP17756155.2A patent/EP3421903A4/en not_active Withdrawn
- 2017-02-03 WO PCT/JP2017/004064 patent/WO2017145713A1/en active Application Filing
- 2017-02-03 CN CN201780012665.6A patent/CN108700344A/en active Pending
- 2017-02-03 JP JP2018501112A patent/JPWO2017145713A1/en not_active Withdrawn
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2018
- 2018-08-22 US US16/109,081 patent/US20190003469A1/en not_active Abandoned
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| JPS551406A (en) * | 1978-06-12 | 1980-01-08 | Japan Storage Battery Co Ltd | Compressor for automobile cooler with water as coolant |
| JPS57173583A (en) * | 1981-04-20 | 1982-10-25 | Toshiba Corp | Refrigerator device |
| JPH10160263A (en) * | 1996-12-02 | 1998-06-19 | Sanyo Electric Co Ltd | Air conditioner |
| JP2002048066A (en) * | 2000-08-04 | 2002-02-15 | Matsushita Refrig Co Ltd | Closed compressor |
| JP2004101154A (en) * | 2002-09-13 | 2004-04-02 | Mitsubishi Electric Corp | Air-conditioner operating method, and air-conditioner |
| JP2004184047A (en) * | 2002-12-06 | 2004-07-02 | Fujitsu General Ltd | Outdoor unit for air-conditioner |
| JP2005127215A (en) * | 2003-10-23 | 2005-05-19 | Sanyo Electric Co Ltd | Transition critical refrigerant cycle device |
| CN201874778U (en) * | 2010-09-15 | 2011-06-22 | 龙江 | Air-conditioner compressor and air-conditioner host |
| JP2014153019A (en) * | 2013-02-12 | 2014-08-25 | Sharp Corp | Outdoor unit for heat pump device |
| CN203594582U (en) * | 2013-12-06 | 2014-05-14 | 武汉市江汉美思科技发展有限公司 | Water-cooled refrigeration compressor |
| US20150354838A1 (en) * | 2014-06-10 | 2015-12-10 | Whirlpool Corporation | Air conditioner with selectable supplemental compressor cooling |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3421903A1 (en) | 2019-01-02 |
| US20190003469A1 (en) | 2019-01-03 |
| WO2017145713A1 (en) | 2017-08-31 |
| JPWO2017145713A1 (en) | 2018-12-20 |
| EP3421903A4 (en) | 2019-08-28 |
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