CN203949414U - Flooded evaporator and full-liquid type air-conditioning unit - Google Patents
Flooded evaporator and full-liquid type air-conditioning unit Download PDFInfo
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- CN203949414U CN203949414U CN201420341124.1U CN201420341124U CN203949414U CN 203949414 U CN203949414 U CN 203949414U CN 201420341124 U CN201420341124 U CN 201420341124U CN 203949414 U CN203949414 U CN 203949414U
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Abstract
The utility model discloses a kind of flooded evaporator and full-liquid type air-conditioning unit, in the housing of flooded evaporator, be positioned at heat-exchanging tube bundle above be provided with regenerator and gas-liquid separator, regenerator is provided with high pressure liquid refrigerant entrance and high pressure liquid refrigerant outlet, is provided with regenerator heat exchange tube device in regenerator; Gas-liquid separator is arranged at the downstream of regenerator, and the bottom of gas-liquid separator is provided with oil return opening, and the top of gas-liquid separator is provided with gas outlet; Full-liquid type air-conditioning unit comprises compressor, condenser, heating power expansion valve and the flooded evaporator of the present utility model that is in turn connected to form closed circuit by Trunk Line.Flooded evaporator of the present utility model makes the degree of supercooling of high pressure liquid refrigerant increase simultaneously, and the degree of superheat of low-pressure side cold-producing medium saturated vapor increases, and heat exchange efficiency is high, and has realized effective oil return; Full-liquid type air conditioner group system Energy Efficiency Ratio of the present utility model is high, low cost of manufacture, and whole air-conditioning unit structure is simply compact, takes up room little.
Description
Technical field
The utility model relates to air-conditioning technical field, relates in particular to the flooded evaporator that a kind of air-conditioning unit uses and the full-liquid type air-conditioning unit of applying this flooded evaporator.
Background technology
Flooded evaporator is the chief component parts of full-liquid type air-conditioning unit, the structure of existing flooded evaporator is the housing that comprises the tubular of horizontal setting, the lower space that is positioned at housing is provided with heat-exchanging tube bundle, in the bottom of housing, be provided with low pressure refrigerant import, this low pressure refrigerant import is for being connected with the outlet of expansion valve, on the top of housing, be provided with low pressure refrigerant outlet, this low pressure refrigerant outlet is for being connected with the refrigerant air inlet of compressor.Existing full-liquid type air-conditioning unit comprises compressor, condenser, electric expansion valve and the flooded evaporator that is in turn connected to form closed circuit by Trunk Line, between compressor and condenser, be provided with gas-liquid separator, between condenser and electric expansion valve, be provided with regenerator.
Flooded evaporator based on existing structure, high pressure liquid refrigerant from condenser is difficult for obtaining larger degree of supercooling in evaporimeter, the refrigerant vapour of low-pressure side is difficult to obtain the larger degree of superheat, thereby use the air-conditioning unit eer of this evaporimeter not high, must be equipped with electric expansion valve or liquid-level type throttling arrangement simultaneously, common heating power expansion valve can not meet its requirement, although electric expansion valve or liquid-level type throttling arrangement control accuracy are high, but expensive, cause the manufacturing cost of whole air-conditioning unit higher; Existing flooded evaporator simple in structure, because not being provided with oil separating device, cause lubricating oil to float on flooded evaporator housing inner refrigerant liquid level and form oil-enriched layer, very easily cause cold-producing medium liquid level height to change, affect the ejecting scavenge return of unit, further affect the lubricated of compressor; Existing full-liquid type air-conditioning unit is owing to adopting the flooded evaporator of existing structure, thereby the heat exchange efficiency of whole unit is not high, and systematic energy efficiency ratio is low; And because gas-liquid separator, regenerator are all arranged on closed circuit as parts independently, make the huge structure of whole air-conditioning unit, take up room larger.
Summary of the invention
First technical problem to be solved in the utility model is: provide a kind of heat exchange efficiency high, and can realize the flooded evaporator of effective oil return.
Second technical problem to be solved in the utility model is: provide a kind of heat exchange efficiency high, and the full-liquid type air-conditioning unit of compact conformation.
For solving above-mentioned first technical problem about flooded evaporator, the technical solution of the utility model is: flooded evaporator, the housing that comprises the tubular of horizontal setting, lower space in described housing is provided with heat-exchanging tube bundle, the bottom of described housing is provided with low pressure refrigerant import, and the top of described housing is provided with low pressure refrigerant outlet;
The top that is positioned at described heat-exchanging tube bundle in described housing is provided with regenerator, described regenerator is provided with high pressure liquid refrigerant entrance and the high pressure liquid refrigerant outlet for being connected with the refrigerant inlet of expansion valve for being connected with the refrigerant outlet of condenser, is provided with regenerator heat exchange tube device in described regenerator;
In described housing, be positioned at the top of described heat-exchanging tube bundle and the downstream of described regenerator is provided with gas-liquid separator, the cold-producing medium gas mixture entrance of described gas-liquid separator is corresponding with the cold-producing medium gas mixture exit position of described regenerator, the bottom of described gas-liquid separator is provided with oil return opening, the top of described gas-liquid separator is provided with gas outlet, and described gas outlet is corresponding with the described low pressure refrigerant exit position on described housing.
Preferably, described regenerator is fin tube type regenerator, described regenerator heat exchange tube device in described regenerator comprises the some groups of parallel heat exchange coils that arrange, the outer tube wall of described heat exchange coil is provided with fin, often two groups of adjacent heat exchange coils is end to end, and the gap between every two groups of adjacent heat exchange coils forms the passage that flows and absorb heat for cold-producing medium gas mixture; The flow direction according to liquid refrigerant in described heat exchange coil, described in one group in first place, the entrance of heat exchange coil connects described high pressure liquid refrigerant entrance, and described in one group in position, end, the outlet of heat exchange coil connects described high pressure liquid refrigerant outlet.
For solving above-mentioned second technical problem about full-liquid type air-conditioning unit, the technical solution of the utility model is: full-liquid type air-conditioning unit, comprises the compressor, condenser, expansion valve and the flooded evaporator that by Trunk Line, are in turn connected to form closed circuit; Described flooded evaporator comprises the housing of the tubular of horizontal setting, lower space in described housing is provided with heat-exchanging tube bundle, the bottom of described housing is provided with low pressure refrigerant import, described low pressure refrigerant import is connected with the refrigerant outlet of described expansion valve, the top of described housing is provided with low pressure refrigerant outlet, and described low pressure refrigerant outlet is connected with the refrigerant air inlet of described compressor;
The top that is positioned at described heat-exchanging tube bundle in described housing is provided with regenerator, described regenerator is provided with high pressure liquid refrigerant entrance and high pressure liquid refrigerant outlet, described high pressure liquid refrigerant entrance is connected with the refrigerant outlet of described condenser, described high pressure liquid refrigerant outlet is connected with the refrigerant inlet of described expansion valve, is provided with regenerator heat exchange tube device in described regenerator;
In described housing, be positioned at the top of described heat-exchanging tube bundle and the downstream of described regenerator is provided with gas-liquid separator, the cold-producing medium gas mixture entrance of described gas-liquid separator is corresponding with the cold-producing medium gas mixture exit position of described regenerator, the bottom of described gas-liquid separator is provided with oil return opening, described oil return opening is connected with the oil inlet passage of described compressor by oil return pipe, the top of described gas-liquid separator is provided with gas outlet, and described gas outlet is corresponding with the described low pressure refrigerant exit position on described housing.
Preferably, described regenerator is fin tube type regenerator, described regenerator heat exchange tube device in described regenerator comprises the some groups of parallel heat exchange coils that arrange, the outer tube wall of described heat exchange coil is provided with fin, often two groups of adjacent heat exchange coils is end to end, and the gap between every two groups of adjacent heat exchange coils forms the passage that flows and absorb heat for cold-producing medium gas mixture; The flow direction according to liquid refrigerant in described heat exchange coil, described in one group in first place, the entrance of heat exchange coil connects described high pressure liquid refrigerant entrance, and described in one group in position, end, the outlet of heat exchange coil connects described high pressure liquid refrigerant outlet.
Preferably, described expansion valve is heating power expansion valve or electric expansion valve.
Owing to having adopted technique scheme, flooded evaporator of the present utility model, in its housing, be positioned at heat-exchanging tube bundle above be provided with regenerator, regenerator is provided with high pressure liquid refrigerant entrance and the high pressure liquid refrigerant outlet for being connected with the refrigerant inlet of expansion valve for being connected with the refrigerant outlet of condenser, is provided with regenerator heat exchange tube device in regenerator, in housing, be positioned at heat-exchanging tube bundle above and the downstream of regenerator be also provided with gas-liquid separator, the cold-producing medium gas mixture entrance of gas-liquid separator is corresponding with the cold-producing medium gas mixture exit position of regenerator, bottom at gas-liquid separator is provided with oil return opening, top at gas-liquid separator is provided with gas outlet, and this gas outlet is corresponding with the low pressure refrigerant exit position on housing, adopt in the full-liquid type air-conditioning unit running process of flooded evaporator of the present utility model, the high-pressure sub-cooled liquid cold-producing medium flowing out from condenser, in flooded evaporator housing, the high pressure liquid refrigerant entrance of regenerator enters regenerator heat exchange tube device mobile release heat therein, temperature decline degree of supercooling increases, realized again excessively cold, the heat of release is passed to the cold-producing medium saturated vapor of low-pressure side by tube wall, cold-producing medium saturated vapor absorbs heat and produces the degree of superheat simultaneously, the high pressure liquid refrigerant of again crossing after cold enters expansion valve through high pressure liquid refrigerant outlet, through expansion valve throttling, become the gas-liquid two-phase mix refrigerant of low pressure, low pressure refrigerant import through housing bottom enters flooded evaporator, in the shell side of evaporimeter with heat-exchanging tube bundle in circulating water carry out exchange heat, the heat that absorbs water becomes cold-producing medium saturated vapor and rises, coolant-temperature gage reduces, cold-producing medium saturated vapor enters regenerator and further absorbs heat the degree of superheat is increased, cold-producing medium saturated vapor is that cold-producing medium gas mixture enters gas-liquid separator and carries out gas-liquid separation, the pure steam of cold-producing medium of after separating is got back to compressor through low pressure refrigerant outlet, lubricating oil is got back to again compressor from oil return opening is controlledly derived.
Owing to being provided with regenerator in flooded evaporator housing, the degree of supercooling of high pressure liquid refrigerant is increased, reduced restriction loss, the degree of superheat of low-pressure side cold-producing medium saturated vapor increases simultaneously, thereby the heat exchange efficiency of flooded evaporator of the present utility model is high; Owing to being provided with gas-liquid separator in flooded evaporator housing, before cold-producing medium saturated vapor enters compressor, carry out gas-liquid separation, both avoided drop to enter compressor and cause liquid to impact to it, guaranteed the safety of system, realize again effective oil return, guaranteed the lubricated reliable of compressor.
In like manner, the full-liquid type air-conditioning unit that has adopted flooded evaporator of the present utility model, heat exchange efficiency is high, and systematic energy efficiency ratio is high, be equipped with control accuracy with respect to electric expansion valve low and price also low common heating power expansion valve can meet the demands, thereby reduced manufacturing cost; Due to the gas-liquid separator of full-liquid type air-conditioning unit and regenerator have been integrated in flooded evaporator housing, make an integral body, the individual components quantity being arranged on closed circuit is few, and whole air-conditioning unit structure is simply compact, takes up room little.
Accompanying drawing explanation
Fig. 1 is the structural representation of the flooded evaporator of the utility model embodiment;
Fig. 2 is the theory diagram of the full-liquid type air-conditioning unit of the utility model embodiment;
In figure: 1-end plate; 2-housing; 3-regenerator; 31-heat exchange coil; 32-backplate; 4-shrouding; 5-low pressure refrigerant goes out pipe; 6-gas-liquid separator; 7-heat-exchanging tube bundle; 8-low pressure refrigerant inlet pipe; The import of A-low pressure refrigerant; The outlet of B-low pressure refrigerant; C-oil return opening; The outlet of D-high pressure liquid refrigerant; E-high pressure liquid refrigerant entrance.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, be the structural representation of the flooded evaporator of the utility model embodiment, for convenience of explanation, this figure only provides the structure division relevant with the utility model.The flooded evaporator of the utility model embodiment, comprise: the housing 2 of the tubular of horizontal setting, at the two ends of housing 2, be respectively equipped with end plate 1, lower space in housing 2 is provided with heat-exchanging tube bundle 7, in the bottom of housing 2, be provided with low pressure refrigerant import A, this low pressure refrigerant import A is connected with low pressure refrigerant inlet pipe 8, is provided with low pressure refrigerant outlet B on the top of housing 2, and this low pressure refrigerant outlet B is connected with low pressure refrigerant and goes out pipe 5; In housing 2, be positioned at heat-exchanging tube bundle 7 above be provided with regenerator 3, on the shell wall of regenerator 3, be provided with high pressure liquid refrigerant entrance E and the high pressure liquid refrigerant outlet D for being connected with the refrigerant inlet of expansion valve for being connected with the refrigerant outlet of condenser, in regenerator 3, be provided with regenerator heat exchange tube device; In housing 2, be positioned at heat-exchanging tube bundle 7 above and the downstream of regenerator 3 be provided with gas-liquid separator 6, the cold-producing medium gas mixture entrance of this gas-liquid separator 6 is corresponding with the cold-producing medium gas mixture exit position of regenerator 3, in the bottom of gas-liquid separator 6, be provided with oil return opening C, at the top of gas-liquid separator 6, be provided with gas outlet (not specifically illustrating in figure), this gas outlet is corresponding with the low pressure refrigerant outlet B position on housing 2.
Wherein, regenerator 3 preferably adopts fin tube type regenerator, the backplate 32 that its shell is arranged by shrouding setting up and down 4 and front and back surrounds, the open at both ends of shell, regenerator heat exchange tube device in this regenerator comprises the some groups of parallel heat exchange coils 31 that arrange, in order further to strengthen heat transfer effect, on the outer tube wall of heat exchange coil 31, be provided with fin, the vertical setting of heat exchange coil 31, setting party is to consistent with heat-exchanging tube bundle 7, often two groups of adjacent heat exchange coils is end to end, gap between every two groups of adjacent heat exchange coils forms the passage that flows and absorb heat for cold-producing medium gas mixture, the flow direction according to liquid refrigerant in heat exchange coil 31, the entrance of one group of heat exchange coil in first place connects high pressure liquid refrigerant entrance E, the outlet of one group of heat exchange coil in position, end connects high pressure liquid refrigerant outlet D, and preferably high pressure liquid refrigerant outlet D is higher than high pressure liquid refrigerant entrance E.
As shown in Figure 2, be the theory diagram of the full-liquid type air-conditioning unit of the utility model embodiment, for convenience of explanation, this figure only provides the part relevant with the utility model, and in Fig. 2, arrow is depicted as the flow direction of cold-producing medium in air-conditioning unit.The full-liquid type air-conditioning unit of the utility model embodiment, comprises the compressor, condenser, heating power expansion valve and the above-mentioned flooded evaporator of the present utility model that by Trunk Line, are in turn connected to form closed circuit.As shown in Figure 1, flooded evaporator comprises the housing 2 of the tubular of horizontal setting, lower space in housing 2 is provided with heat-exchanging tube bundle 7, in the bottom of housing 2, be provided with low pressure refrigerant import A, this low pressure refrigerant import A is connected with the refrigerant outlet of heating power expansion valve by low pressure refrigerant inlet pipe 8, on the top of housing 2, be provided with low pressure refrigerant outlet B, this low pressure refrigerant outlet B goes out pipe 5 by low pressure refrigerant and is connected with the refrigerant air inlet of compressor; In housing 2, be positioned at heat-exchanging tube bundle 7 above be provided with regenerator 3, the shell wall of regenerator 3 is provided with high pressure liquid refrigerant entrance E and high pressure liquid refrigerant outlet D, wherein, high pressure liquid refrigerant entrance E is connected with the refrigerant outlet of condenser, high pressure liquid refrigerant outlet D is connected with the refrigerant inlet of heating power expansion valve, is provided with regenerator heat exchange tube device in regenerator 3; In housing 2, be positioned at heat-exchanging tube bundle 7 above and the downstream of regenerator 3 be provided with gas-liquid separator 6, the cold-producing medium gas mixture entrance of this gas-liquid separator 6 is corresponding with the cold-producing medium gas mixture exit position of regenerator 3, in the bottom of gas-liquid separator 6, be provided with oil return opening C, this oil return opening C is connected with the oil inlet passage of compressor by oil return pipe, top at gas-liquid separator 6 is provided with gas outlet, and this gas outlet is corresponding with the low pressure refrigerant outlet B position on housing 2.
The full-liquid type air-conditioning unit course of work: adopt in the full-liquid type air-conditioning unit running process of flooded evaporator of the present utility model, the high-pressure sub-cooled liquid cold-producing medium flowing out from condenser, through the high pressure liquid refrigerant entrance E of the interior regenerator 3 of flooded evaporator housing 2, enter heat exchange coil 31 in regenerator 3 release heat that flows therein, temperature decline degree of supercooling increases, realized again excessively cold, the heat of release is passed to the cold-producing medium saturated vapor of low-pressure side by tube wall and fin, cold-producing medium saturated vapor absorbs heat and produces the degree of superheat simultaneously, the high pressure liquid refrigerant of again crossing after cold enters heating power expansion valve through high pressure liquid refrigerant outlet D, through heating power expansion valve throttling, become the gas-liquid two-phase mix refrigerant of low pressure, low pressure refrigerant import A through housing 2 bottoms enters flooded evaporator, in the shell side of evaporimeter with heat-exchanging tube bundle 7 in circulating water carry out exchange heat, the heat that absorbs water becomes cold-producing medium saturated vapor and rises, the temperature of heat-exchanging tube bundle 7 interior water reduces, the cold-producing medium saturated vapor rising enters the further heat that absorbs of regenerator 3 increases the degree of superheat, the cold-producing medium saturated vapor that carries lubricating oil is that cold-producing medium gas mixture enters and in gas-liquid separator 6, carries out gas-liquid separation, the pure steam of cold-producing medium of after separating is got back to compressor through low pressure refrigerant outlet B, lubricating oil is controlledly derived by oil return pipe and is got back to again compressor from oil return opening C.
Certainly, the expansion valve in full-liquid type air-conditioning unit of the present utility model also can continue to adopt electric expansion valve.
Flooded evaporator of the present utility model is owing to being provided with regenerator in housing, the degree of supercooling of high pressure liquid refrigerant is increased, reduced restriction loss, the degree of superheat of low-pressure side cold-producing medium saturated vapor increases simultaneously, actual motion shows that the degree of superheat is at 5-7 ℃, thereby the heat exchange efficiency of flooded evaporator of the present utility model is high; Owing to being provided with gas-liquid separator in flooded evaporator housing, before cold-producing medium saturated vapor enters compressor, carry out gas-liquid separation, both avoided drop to enter compressor and cause liquid to impact to it, guaranteed the safety of system, realize again effective oil return, guaranteed the lubricated reliable of compressor.
Full-liquid type air-conditioning unit of the present utility model is owing to having adopted flooded evaporator of the present utility model, heat exchange efficiency is high, systematic energy efficiency ratio is high, be equipped with control accuracy with respect to electric expansion valve low and price also low common heating power expansion valve can meet the demands, thereby reduced manufacturing cost; Due to the gas-liquid separator of full-liquid type air-conditioning unit and regenerator have been integrated in flooded evaporator housing, make an integral body, thereby the individual components quantity being arranged on closed circuit is few, whole air-conditioning unit structure is simply compact, takes up room little.
Claims (5)
1. flooded evaporator, comprises the housing of the tubular of horizontal setting, and the lower space in described housing is provided with heat-exchanging tube bundle, and the bottom of described housing is provided with low pressure refrigerant import, and the top of described housing is provided with low pressure refrigerant outlet; It is characterized in that:
The top that is positioned at described heat-exchanging tube bundle in described housing is provided with regenerator, described regenerator is provided with high pressure liquid refrigerant entrance and the high pressure liquid refrigerant outlet for being connected with the refrigerant inlet of expansion valve for being connected with the refrigerant outlet of condenser, is provided with regenerator heat exchange tube device in described regenerator;
In described housing, be positioned at the top of described heat-exchanging tube bundle and the downstream of described regenerator is provided with gas-liquid separator, the cold-producing medium gas mixture entrance of described gas-liquid separator is corresponding with the cold-producing medium gas mixture exit position of described regenerator, the bottom of described gas-liquid separator is provided with oil return opening, the top of described gas-liquid separator is provided with gas outlet, and described gas outlet is corresponding with the described low pressure refrigerant exit position on described housing.
2. flooded evaporator as claimed in claim 1, it is characterized in that: described regenerator is fin tube type regenerator, described regenerator heat exchange tube device in described regenerator comprises the some groups of parallel heat exchange coils that arrange, the outer tube wall of described heat exchange coil is provided with fin, often two groups of adjacent heat exchange coils is end to end, and the gap between every two groups of adjacent heat exchange coils forms the passage that flows and absorb heat for cold-producing medium gas mixture; The flow direction according to liquid refrigerant in described heat exchange coil, described in one group in first place, the entrance of heat exchange coil connects described high pressure liquid refrigerant entrance, and described in one group in position, end, the outlet of heat exchange coil connects described high pressure liquid refrigerant outlet.
3. full-liquid type air-conditioning unit, comprises the compressor, condenser, expansion valve and the flooded evaporator that by Trunk Line, are in turn connected to form closed circuit; It is characterized in that: described flooded evaporator comprises the housing of the tubular of horizontal setting, lower space in described housing is provided with heat-exchanging tube bundle, the bottom of described housing is provided with low pressure refrigerant import, described low pressure refrigerant import is connected with the refrigerant outlet of described expansion valve, the top of described housing is provided with low pressure refrigerant outlet, and described low pressure refrigerant outlet is connected with the refrigerant air inlet of described compressor;
The top that is positioned at described heat-exchanging tube bundle in described housing is provided with regenerator, described regenerator is provided with high pressure liquid refrigerant entrance and high pressure liquid refrigerant outlet, described high pressure liquid refrigerant entrance is connected with the refrigerant outlet of described condenser, described high pressure liquid refrigerant outlet is connected with the refrigerant inlet of described expansion valve, is provided with regenerator heat exchange tube device in described regenerator;
In described housing, be positioned at the top of described heat-exchanging tube bundle and the downstream of described regenerator is provided with gas-liquid separator, the cold-producing medium gas mixture entrance of described gas-liquid separator is corresponding with the cold-producing medium gas mixture exit position of described regenerator, the bottom of described gas-liquid separator is provided with oil return opening, described oil return opening is connected with the oil inlet passage of described compressor by oil return pipe, the top of described gas-liquid separator is provided with gas outlet, and described gas outlet is corresponding with the described low pressure refrigerant exit position on described housing.
4. full-liquid type air-conditioning unit as claimed in claim 3, it is characterized in that: described regenerator is fin tube type regenerator, described regenerator heat exchange tube device in described regenerator comprises the some groups of parallel heat exchange coils that arrange, the outer tube wall of described heat exchange coil is provided with fin, often two groups of adjacent heat exchange coils is end to end, and the gap between every two groups of adjacent heat exchange coils forms the passage that flows and absorb heat for cold-producing medium gas mixture; The flow direction according to liquid refrigerant in described heat exchange coil, described in one group in first place, the entrance of heat exchange coil connects described high pressure liquid refrigerant entrance, and described in one group in position, end, the outlet of heat exchange coil connects described high pressure liquid refrigerant outlet.
5. the full-liquid type air-conditioning unit as described in claim 3 or 4 any one, is characterized in that: described expansion valve is heating power expansion valve or electric expansion valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420341124.1U CN203949414U (en) | 2014-06-24 | 2014-06-24 | Flooded evaporator and full-liquid type air-conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420341124.1U CN203949414U (en) | 2014-06-24 | 2014-06-24 | Flooded evaporator and full-liquid type air-conditioning unit |
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| Publication Number | Publication Date |
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| CN203949414U true CN203949414U (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420341124.1U Withdrawn - After Issue CN203949414U (en) | 2014-06-24 | 2014-06-24 | Flooded evaporator and full-liquid type air-conditioning unit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019585A (en) * | 2014-06-24 | 2014-09-03 | 山东雅士股份有限公司 | Flooded evaporator and flooded air conditioning unit |
| CN107014015A (en) * | 2017-05-02 | 2017-08-04 | 浙江国祥股份有限公司 | Recovery type heat evaporating condensation type handpiece Water Chilling Units |
| CN110319520A (en) * | 2019-08-01 | 2019-10-11 | 中车大连机车研究所有限公司 | Integration backheat gas-liquid separator and refrigeration system for carbon dioxide refrigerant air-conditioning |
| CN111664610A (en) * | 2020-05-26 | 2020-09-15 | 张坤坤 | Liquid type evaporator for air conditioner |
| WO2022121950A1 (en) * | 2020-12-11 | 2022-06-16 | 爱法科技(无锡)有限公司 | Low-temperature flooded evaporator and using method |
-
2014
- 2014-06-24 CN CN201420341124.1U patent/CN203949414U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019585A (en) * | 2014-06-24 | 2014-09-03 | 山东雅士股份有限公司 | Flooded evaporator and flooded air conditioning unit |
| CN107014015A (en) * | 2017-05-02 | 2017-08-04 | 浙江国祥股份有限公司 | Recovery type heat evaporating condensation type handpiece Water Chilling Units |
| CN107014015B (en) * | 2017-05-02 | 2018-08-10 | 浙江国祥股份有限公司 | Recovery type heat evaporating condensation type handpiece Water Chilling Units |
| CN110319520A (en) * | 2019-08-01 | 2019-10-11 | 中车大连机车研究所有限公司 | Integration backheat gas-liquid separator and refrigeration system for carbon dioxide refrigerant air-conditioning |
| CN111664610A (en) * | 2020-05-26 | 2020-09-15 | 张坤坤 | Liquid type evaporator for air conditioner |
| WO2022121950A1 (en) * | 2020-12-11 | 2022-06-16 | 爱法科技(无锡)有限公司 | Low-temperature flooded evaporator and using method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141119 Effective date of abandoning: 20151216 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |