CN202734344U - Low temperature enthalpy increasing family type central air conditioner - Google Patents
Low temperature enthalpy increasing family type central air conditioner Download PDFInfo
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- CN202734344U CN202734344U CN 201220321166 CN201220321166U CN202734344U CN 202734344 U CN202734344 U CN 202734344U CN 201220321166 CN201220321166 CN 201220321166 CN 201220321166 U CN201220321166 U CN 201220321166U CN 202734344 U CN202734344 U CN 202734344U
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Abstract
The utility model relates to a low temperature enthalpy increasing family type central air conditioner. The central air conditioner is characterized in that a plate-type heat exchanger is connected with a four-way reversal valve, the four-way reversal valve is connected with a gas-liquid separator, and the gas-liquid separator is connected with an air-suction inlet of an aeration enthalpy increasing compressor; and a one-way valve b is connected between a main thermostatic expansion valve and a finned heat exchanger, a one-way valve d is connected between the plate-type heat exchanger and a reservoir, and in addition, a fan is connected beside the finned heat exchanger. The low temperature enthalpy increasing family type central air conditioner provided by the utility model has the technical effects that a system is provided with an aeration enthalpy increasing compressor, an economizer and the like so as to increase the enthalpy difference of the main circulation loop of a heating system, the discharge temperature of the compressor is reduced, the heating capacity of a unit is increased, and the low temperature enthalpy increasing family type central air conditioner guarantees the heating requirements of chilliness regions in winter.
Description
Technical field
The utility model relates to a kind of residential central air-, relates in particular to a kind of low-temperature enthalpy-increasing residential central air-.
Background technology
Residential central air-has many advantages as the Cooling and Heat Source of central air-conditioning, but traditional residential central air-is freezing and is heating in the process, when winter, outdoor temperature was low, the efficient of common compressor is lower, delivery temperature is higher, the heat that can provide for air-conditioned room seldom, the efficient of compressor can not give full play to, heat exchanger is not fully utilized, so that the heating capacity of residential central air-is significantly decayed, needs to increase a large amount of electric auxiliary heatings.The application of traditional residential central air-under low temperature environment is restricted.
Summary of the invention
The purpose of this utility model is to solve the problem of the not enough and excessive discharge temperature of residential central air-unit heating capacity under low temperature environment, widens the scope of application of residential central air-.
The utility model is achieved like this, it comprises the air injection enthalpy-increasing compressor, economizer, finned heat exchanger, plate type heat exchanger, four-way change-over valve, blower fan, main heating power expansion valve, spray heating power expansion valve, check valve, reservoir, device for drying and filtering, visor, gas-liquid separator, it is characterized in that the air injection enthalpy-increasing exhaust outlet of compressor connects four-way change-over valve, four-way change-over valve connects finned heat exchanger, finned heat exchanger connects check valve a, check valve a connects reservoir, reservoir connects device for drying and filtering, device for drying and filtering connects visor, visor connects respectively injection heating power expansion valve and economizer, spray heating power expansion valve and connect economizer, economizer connects respectively air injection enthalpy-increasing compressor intermediate pressure return-air jet and main heating power expansion valve, main heating power expansion valve connects check valve c, check valve c connecting plate type heat exchanger, plate type heat exchanger connects four-way change-over valve, four-way change-over valve connects gas-liquid separator, gas-liquid separator connects air injection enthalpy-increasing compressor air suction mouth, check valve b is connected between main heating power expansion valve and the finned heat exchanger, check valve d is connected between plate type heat exchanger and the reservoir, in addition, the finned heat exchanger next door is connected with blower fan.
Technique effect of the present utility model is: strengthen the enthalpy difference of heating main circulation loop by air injection enthalpy-increasing compressor, economizer etc. are set in system, reduce the delivery temperature of compressor, increase the heating capacity of unit, guarantee the severe cold area heating demand in winter.
Description of drawings
Fig. 1 is systematic schematic diagram of the present utility model.
In the drawings 1, four-way change-over valve; 2, finned heat exchanger; 3, blower fan; 4, check valve a; 5, reservoir; 6, device for drying and filtering; 7, visor; 8, check valve b; 9, main heating power expansion valve; 10, economizer; 11, spray heating power expansion valve; 12, check valve c; 13, check valve d; 14, plate type heat exchanger; 15, air injection enthalpy-increasing compressor; 16, gas-liquid separator.
The specific embodiment
As shown in Figure 1, the utility model is achieved like this, air injection enthalpy-increasing compressor 15 exhaust outlets connect four-way change-over valve 1, four-way change-over valve 1 connects finned heat exchanger 2, finned heat exchanger 2 connects check valve a4, check valve a4 connects reservoir 5, reservoir 5 connects device for drying and filtering 6, device for drying and filtering 6 connects visor 7, visor 7 connects respectively injection heating power expansion valve 11 and economizer 10, spray heating power expansion valve 11 and connect economizer 10, economizer 10 connects respectively air injection enthalpy-increasing compressor 15 intermediate pressure return-air jets and main heating power expansion valve 9, and main heating power expansion valve 9 connects check valve c12, check valve c12 connecting plate type heat exchanger 14, plate type heat exchanger 14 connects four-way change-over valve 1, and four-way change-over valve 1 connects gas-liquid separator 16, and gas-liquid separator 16 connects air injection enthalpy-increasing compressor 15 air entries, check valve b8 is connected between main heating power expansion valve 9 and the finned heat exchanger 2, check valve d13 is connected between plate type heat exchanger 14 and the reservoir 5, and in addition, finned heat exchanger 2 next doors are connected with blower fan 3.
1) during winter heating, four-way change-over valve (1) is in and heats the position, cold-producing medium is compressed into high temperature and high pressure gas and enters plate type heat exchanger (14) by four-way change-over valve (1) in air injection enthalpy-increasing compressor (15), in plate type heat exchanger (14), finish exchange heat with water, from the condensed refrigerant liquid of plate type heat exchanger (14), through check valve d(13), reservoir (5), device for drying and filtering (6), visor is divided into two-way after (7), wherein the first via enters to spray and enters economizer (10) after heating power expansion valve (11) is throttled to intermediate pressure, in economizer (10), carry out heat exchange with the second road refrigerant liquid, absorbed the first via refrigerant superheat steam of heat, flow out from economizer (10), enter the intermediate pressure return-air jet of air injection enthalpy-increasing compressor (15), with discharging from being compressed into high temperature and high pressure gas by air injection enthalpy-increasing compressor (15) again after the second road refrigerant gas mixing of finned heat exchanger (2), finish one and heat circulation.
When 2) freeze summer, four-way change-over valve (1) is in the refrigeration position, cold-producing medium is compressed into high temperature and high pressure gas and enters finned heat exchanger (2) by four-way change-over valve (1) in air injection enthalpy-increasing compressor (15), in finned heat exchanger (2), finish exchange heat with air, from the condensed refrigerant liquid of finned heat exchanger (2), through check valve a(4), reservoir (5), device for drying and filtering (6), visor is divided into two-way after (7), wherein the first via enters to spray and enters economizer (10) after heating power expansion valve (11) is throttled to intermediate pressure, in economizer (10), carry out heat exchange with the second road refrigerant liquid, absorbed the first via refrigerant superheat steam of heat, flow out from economizer (10), enter the intermediate pressure return-air jet of air injection enthalpy-increasing compressor (15), with discharging from being compressed into high temperature and high pressure gas by air injection enthalpy-increasing compressor (15) again after the second road refrigerant gas mixing of plate type heat exchanger (14), finish a kind of refrigeration cycle.
3) in heating process, the liquid refrigerant of having realized flowing to main heating power expansion valve (9) by economizer (10) is further excessively cold, strengthened the enthalpy difference of heating main circulation loop, reduced the delivery temperature of compressor, and by the additional refrigerant gas of air injection enthalpy-increasing compressor (15) intermediate pressure return-air jet, thereby increase air injection enthalpy-increasing compressor (15) capacity, so that the circularly cooling dosage that plate type heat exchanger (14) heats increases, just realized that also the heating capacity of unit increases.
Claims (1)
1. low-temperature enthalpy-increasing residential central air-, it comprises the air injection enthalpy-increasing compressor, economizer, finned heat exchanger, plate type heat exchanger, four-way change-over valve, blower fan, main heating power expansion valve, spray heating power expansion valve, check valve, reservoir, device for drying and filtering, visor, gas-liquid separator, it is characterized in that the air injection enthalpy-increasing exhaust outlet of compressor connects four-way change-over valve, four-way change-over valve connects finned heat exchanger, finned heat exchanger connects check valve a, check valve a connects reservoir, reservoir connects device for drying and filtering, device for drying and filtering connects visor, visor connects respectively injection heating power expansion valve and economizer, spray heating power expansion valve and connect economizer, economizer connects respectively air injection enthalpy-increasing compressor intermediate pressure return-air jet and main heating power expansion valve, main heating power expansion valve connects check valve c, check valve c connecting plate type heat exchanger, plate type heat exchanger connects four-way change-over valve, four-way change-over valve connects gas-liquid separator, gas-liquid separator connects air injection enthalpy-increasing compressor air suction mouth, check valve b is connected between main heating power expansion valve and the finned heat exchanger, check valve d is connected between plate type heat exchanger and the reservoir, in addition, the finned heat exchanger next door is connected with blower fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220321166 CN202734344U (en) | 2012-07-05 | 2012-07-05 | Low temperature enthalpy increasing family type central air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220321166 CN202734344U (en) | 2012-07-05 | 2012-07-05 | Low temperature enthalpy increasing family type central air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202734344U true CN202734344U (en) | 2013-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220321166 Expired - Fee Related CN202734344U (en) | 2012-07-05 | 2012-07-05 | Low temperature enthalpy increasing family type central air conditioner |
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| CN (1) | CN202734344U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104515329A (en) * | 2013-09-26 | 2015-04-15 | 海尔集团公司 | Air conditioner, supercooling device for air conditioner and control method for supercooling device |
| CN104613665A (en) * | 2015-02-02 | 2015-05-13 | 珠海格力电器股份有限公司 | Heat pump air conditioning system |
| CN105674634A (en) * | 2016-01-18 | 2016-06-15 | 山西永有制冷科技有限公司 | Freon hydraulic filling type system flashing barrel economizer |
| CN106288509A (en) * | 2015-05-22 | 2017-01-04 | 南京五洲制冷集团有限公司 | A kind of plate evaporating condensation type water chiller-heater unit |
| CN107246672A (en) * | 2017-07-17 | 2017-10-13 | 西安建筑科技大学 | A kind of full air-conditioning system of family formula fresh air purifying suitable for cold district |
| CN107655234A (en) * | 2017-09-19 | 2018-02-02 | 山东凯丰节能科技有限公司 | A kind of air-conditioning system pipeline |
-
2012
- 2012-07-05 CN CN 201220321166 patent/CN202734344U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104515329A (en) * | 2013-09-26 | 2015-04-15 | 海尔集团公司 | Air conditioner, supercooling device for air conditioner and control method for supercooling device |
| CN104613665A (en) * | 2015-02-02 | 2015-05-13 | 珠海格力电器股份有限公司 | Heat pump air conditioning system |
| CN106288509A (en) * | 2015-05-22 | 2017-01-04 | 南京五洲制冷集团有限公司 | A kind of plate evaporating condensation type water chiller-heater unit |
| CN105674634A (en) * | 2016-01-18 | 2016-06-15 | 山西永有制冷科技有限公司 | Freon hydraulic filling type system flashing barrel economizer |
| CN107246672A (en) * | 2017-07-17 | 2017-10-13 | 西安建筑科技大学 | A kind of full air-conditioning system of family formula fresh air purifying suitable for cold district |
| CN107655234A (en) * | 2017-09-19 | 2018-02-02 | 山东凯丰节能科技有限公司 | A kind of air-conditioning system pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20200705 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |