CN205561119U - All -weather high efficiency air conditioning unit that directly expands - Google Patents
All -weather high efficiency air conditioning unit that directly expands Download PDFInfo
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- CN205561119U CN205561119U CN201620388388.1U CN201620388388U CN205561119U CN 205561119 U CN205561119 U CN 205561119U CN 201620388388 U CN201620388388 U CN 201620388388U CN 205561119 U CN205561119 U CN 205561119U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model relates to an air conditioning equipment field provides an all -weather high efficiency air conditioning unit that directly expands, inclining including heat source side unit, heat utilization and making up air conditioning unit and intelligence control system, heat source side unit includes magnetic suspension centrifugal compressor, outdoor heat exchanger, axial fan, four -way reversing valve and electronic expansion valve, and axial fan and outdoor heat exchanger match, and outdoor heat exchanger one end communicates with each other with four -way reversing valve, and the other end and electronic expansion valve are linked together, and electronic new blast gate and electronic return air valve are evenly just imitated intelligence control system 2 and be linked together, just imitate air cleaner, freon heat exchanger, re -heater, humidifier, centrifugal fan, well effect air cleaner and the consecutive expert of supply -air outlet, four -way reversing valve and electronic expansion valve all are linked together with the freon heat exchanger. Effectively improved the energy efficiency ratio of unit, the oil operation is realized not having by the refrigerant, has both improved the heat transfer effect of unit, can conveniently realize stepless energy adjustment again, the stability of the unit is improved and adaptive capacity to environment.
Description
Technical field
This utility model relates to air-conditioning equipment field, a kind of round-the-clock efficient straight swollen air conditioning unit.
Background technology
Straight-expansion type air conditioner unit is centralized or one of the conventional major air processing equipment of semi-central air conditioning, is particularly suited for the occasion not having cool hot source of centralized Air conditioning system, have cooling, dehumidify, heat, humidify, purify, the several functions such as pressure air blowing.The major defect of existing straight-expansion type air conditioner unit is: (1) according to meet maximum cold thermic load be designed coupling, and the unit overwhelming majority time is in part load condition, conventional power unit is poor because of energy conditioning ability, can produce the problems such as evaporimeter frosting, affects the properly functioning of unit；(2) when machine unit in winter novel wind-heat pump operation, because new air temperature is relatively low, it is impossible to set up high-low pressure pressure reduction, the condition range making unit all-fresh air use is less, and in general ambient temperature just cannot use when being less than 5 DEG C, greatly limit the range of unit；(3), for air conditioning system with variable, because when air quantity reduces, unit load reduces, when unit may be caused to freeze, evaporating temperature is too low, and then freezes, and when heating, condensation temperature is too high, causes unit high voltage protective；(4) the compressor of conventional power unit needs lubrication, and causes cold-producing medium band oil to run, and reduces mechanical efficiency and the heat exchange efficiency of unit, is unfavorable for the energy-saving run of unit；Because of conventional power unit cold-producing medium be band oil run, for making the effective oil return of compressor, cold-producing medium needs applicable mass velocity, to promote lubricating oil to return in compressor, when unit carries out energy adjustment, refrigerant flow rates declines, and lubricating oil return will be caused the most smooth, cause compressor oil starvation, ultimately cause press and burn；Do not carry out energy adjustment and then mean that energy consumption increases；(6) can not regulate by effective energy because of compressor, cause the cold and hot amount of unit effectively not control, cause air-treatment side can not accurately control the room parameter of needs, cause indoor temperature and humidity fluctuation range bigger, it is impossible to meet room parameter demand；(7) conventional power unit needs to make regular check on more oil change, and maintenance cost is higher.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of round-the-clock efficient straight swollen air conditioning unit, to solve the problems referred to above.
This utility model solves its technical problem and be the technical scheme is that a kind of round-the-clock efficient straight swollen air conditioning unit, including heat source side unit, heat utilization side combined air conditioner unit and intelligence control system, described intelligence control system is connected with heat source side unit and heat utilization side combined air conditioner unit simultaneously
Described heat source side unit includes magnetic suspension centrifugal compressor, outdoor heat exchanger, aerofoil fan, four-way change-over valve and electric expansion valve, described aerofoil fan matches with outdoor heat exchanger, one end of outdoor heat exchanger communicates with four-way change-over valve, the other end is connected with electric expansion valve, and the import and export of described magnetic suspension centrifugal compressor are all connected with four-way change-over valve；
Described heat utilization side combined air conditioner unit includes electronic new air-valve, electronic air returning valve, just imitates air filter, freon heat exchanger, reheater, humidifier, centrifugal blower, middle effect air filter and air outlet, described electronic new air-valve is all connected with just effect air filter with electronic air returning valve, imitating air filter, freon heat exchanger, reheater, humidifier, centrifugal blower, middle effect air filter and air outlet at the beginning of described and be sequentially connected logical, described four-way change-over valve is all connected with freon heat exchanger with electric expansion valve.
Further, described intelligence control system includes Programmable Logic Controller and the outdoor temperature humidity sensor being connected with Programmable Logic Controller, indoor temperature and humidity sensor, centrifugal blower arrangements for speed regulation, refrigerant pressure sensor, humidification regulating device, reheater adjusting means and fan valve executor, described centrifugal blower arrangements for speed regulation are connected with centrifugal blower, described reheater adjusting means is connected with reheater, described humidification regulating device is connected with humidifier, and described fan valve executor is connected with electronic new air-valve and electronic air returning valve simultaneously.
The beneficial effects of the utility model are: during summer, heat source side unit adjusts the heat utilization side heat exchanger the heat and wet treatment unit of unit to suck low-temperature low-pressure refrigerant steam from heat utilization side combination type, the superheated steam of High Temperature High Pressure is become after magnetic suspension centrifugal compressor compresses, send into the heat utilization side heat-transformation device of heat utilization side unit, condense the refrigerant liquid becoming the middle temperature of high pressure, the cold-producing medium liquid-vapor mixture of low-temp low-pressure is become after electric expansion valve throttles, send in the heat utilization side heat exchanger in the heat and wet treatment unit of heat utilization side combination type tune unit, evaporation endothermic, processed air cooling-down is dehumidified；Heating mode is switched to through reversal valve during winter, draw heat from air or water source, heats processed air；Because using magnetic suspension centrifugal compressor, it is to avoid mechanical friction, improve the operational efficiency of unit, the simultaneously the most contact lubricated oil of cold-producing medium, it is convenient to the cold and hot amount of step-less adjustment unit, and during sub-load, the efficiency of unit does not reduces.
Heat utilization side combination type adjusts the arrangement of unit functional section to be mixing section, initial effect filtering section, heat utilization side heat exchanger section, again hot arc, humidifier section, blower section, medium efficiency filtration section and air supply section composition, it is possible to increase or less correlation function according to different functional requirements；During summer, processed air is sucked in proportion by the fresh wind port being positioned on mixing section and return air inlet, by heat utilization side heat exchanger cool-down dehumidification, reheating as required after primarily efficient filter, pressurize through fan section, after after medium air filtration, sent unit by the air outlet of air supply section；During winter, processed air is sucked in proportion by the fresh wind port being positioned on mixing section and return air inlet, is heated by heat utilization side heat exchanger after primarily efficient filter, carry out as required adding wet process, pressurize through fan section, after after medium air filtration, sent unit by the air outlet of air supply section；Realize being adjusted the Temperature and Humidity Control in space.
Control system detection indoor temperature and humidity value and outdoor temperature humidity value, and calculate indoor and outdoor moisture content values, compare with indoor temperature and humidity required value and corresponding moisture content values, with determine the new return air amount ratio of unit, the operation ratio of condensate compressor group, humidifier add moisture etc., realize water capacity to control and temperature control, and utilize fresh air energy-saving as far as possible, improve unit operation stability and operational energy efficiency further；When winter, all-fresh air ran, detect condensing pressure constantly, reduce the measure of air quantity to maintain stablizing of condensing pressure by pressure fan frequency reducing, it can be ensured that under unit energy climatic environment more than-20 DEG C, all-fresh air runs, and has expanded the range of unit.
Use magnetic suspension centrifugal compressor to greatly reduce the energy consumption of unit, be effectively increased the Energy Efficiency Ratio of unit；Cold-producing medium realizes oil-free and runs, and has both improve the heat transfer effect of unit, can conveniently realize again continuative energy regulation；Use intelligence water capacity control system, utilize outdoor fresh air energy-saving as far as possible, make unit cooperative run, improve stability and the adaptive capacity to environment of unit, really realize the round-the-clock adaptation ability of unit.
Accompanying drawing explanation
Fig. 1 is this utility model schematic diagram.
Detailed description of the invention
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
As shown in Figure 1, one of the present utility model is round-the-clock efficient straight swollen air conditioning unit, including heat source side unit 200, heat utilization side combined air conditioner unit 300 and intelligence control system 100, described intelligence control system 100 is connected with heat source side unit 200 and heat utilization side combined air conditioner unit 300 simultaneously
Described heat source side unit 200 includes magnetic suspension centrifugal compressor 220, outdoor heat exchanger 240, aerofoil fan 210, four-way change-over valve 230 and electric expansion valve 250, described aerofoil fan 210 matches with outdoor heat exchanger 240, one end of outdoor heat exchanger 240 communicates with four-way change-over valve 230, the other end is connected with electric expansion valve 250, and the import and export of described magnetic suspension centrifugal compressor 220 are all connected with four-way change-over valve 230；
Described heat utilization side combined air conditioner unit 300 includes electronic new air-valve 310, electronic air returning valve 320, just effect air filter 330, freon heat exchanger 340, reheater 350, humidifier 360, centrifugal blower 370, middle effect air filter 380 and air outlet, described electronic new air-valve 310 is all connected with just effect air filter 330 with electronic air returning valve 320, described just effect air filter 330, freon heat exchanger 340, reheater 350, humidifier 360, centrifugal blower 370, middle effect air filter 380 and air outlet are sequentially connected logical, described four-way change-over valve 230 is all connected with freon heat exchanger 340 with electric expansion valve 250.
Described intelligence control system 100 includes Programmable Logic Controller 110 and the outdoor temperature humidity sensor 120 being connected with Programmable Logic Controller 110, indoor temperature and humidity sensor 130, centrifugal blower arrangements for speed regulation 140, refrigerant pressure sensor 150, humidification regulating device 160, reheater adjusting means 170 and fan valve executor 180, described centrifugal blower arrangements for speed regulation 140 are connected with centrifugal blower 370, described reheater adjusting means 170 is connected with reheater 350, described humidification regulating device 160 is connected with humidifier 360, described fan valve executor 180 is connected with electronic new air-valve 310 and electronic air returning valve 320 simultaneously.
Preferably describe round-the-clock Effec-tive Function feature and the principle of this utility model embodiment, separately below according to the new wind operating mode of summer and winter and all-fresh air and part, the embodiment of elaboration the present embodiment and feature:
The new wind summer condition of part: outdoor new wind mixes with the indoor return air entering heat utilization side combined air conditioner unit 300 via air returning valve 320 via new air-valve 310, mixing air carries out primary purifying process, the process of heat utilization side heat exchanger 340 cool-down dehumidification, reheater 350 reheating via primary efficient filter screen 330 successively, humidifier 360 quits work this season, centrifugal blower 370 pressure air blowing, medium effeciency filter 380 medium air filtration process, send into eventually through air supply duct and adjusted space, the hot humidity load of balance air conditioning area, meets user's requirement；Simultaneously, Condensing units 200 adjusts the heat utilization side heat exchanger 340 of unit 300 to suck low-temperature low-pressure refrigerant steam from heat utilization side combination type, the superheated steam of High Temperature High Pressure is become after magnetic suspension centrifugal compressor 220 compresses, outdoor heat exchanger 240 is sent into by four-way change-over valve 230, condense the refrigerant liquid becoming the middle temperature of high pressure, the cold-producing medium liquid-vapor mixture of low-temp low-pressure is become after electric expansion valve 250 throttles, in uniform device sends into the heat utilization side heat exchanger 340 that heat utilization side combination type adjusts unit 300, evaporation endothermic, processed air cooling-down is dehumidified；Control system acts primarily as following effect in running: first, relativeness according to mixed aerial temperature and humidity Yu indoor temperature and humidity, on the premise of ensureing minimum fresh air requirmente demand, automatically adjust new air-valve 310 and the aperture of air returning valve 320, to realize maximum energy-saving operating mode；Secondly, according to indoor temperature and humidity and the deviation situation setting indoor temperature and humidity automatically adjust the input ratio of magnetic suspension centrifugal compressor 220, reheater be passed through ratio；Finally, the operation conditions of detecting system each several part constantly, such as relevant service datas such as filter differential pressure, consuming parts current values, run realizing the highly effective and safe of unit.
All-fresh air summer condition: outdoor new wind enters heat utilization side combined air conditioner unit 300 via new air-valve 310, now air returning valve 320 is closed, air carries out primary purifying process, the process of heat utilization side heat exchanger 340 cool-down dehumidification, reheater 350 reheating via primary efficient filter screen 330 successively, humidifier 360 quits work this season, centrifugal blower 370 pressure air blowing, medium effeciency filter 380 medium air filtration process, send into eventually through air supply duct and adjusted space, the hot humidity load of balance air conditioning area, meets user's requirement；Simultaneously, Condensing units 200 adjusts the heat utilization side heat exchanger 340 of unit 300 to suck low-temperature low-pressure refrigerant steam from heat utilization side combination type, the superheated steam of High Temperature High Pressure is become after magnetic suspension centrifugal compressor 220 compresses, outdoor heat exchanger 240 is sent into by four-way change-over valve 230, condense the refrigerant liquid becoming the middle temperature of high pressure, the cold-producing medium liquid-vapor mixture of low-temp low-pressure is become after electric expansion valve 250 throttles, in uniform device sends into the heat utilization side heat exchanger 340 that heat utilization side combination type adjusts unit 300, evaporation endothermic, dehumidifies to processed air cooling-down；Control system acts primarily as following effect in running: first, according to indoor temperature and humidity and the deviation situation setting indoor temperature and humidity automatically adjust the input ratio of magnetic suspension centrifugal compressor 220, reheater be passed through ratio；Then, the operation conditions of detecting system each several part constantly, such as relevant service datas such as filter differential pressure, consuming parts current values, run realizing the highly effective and safe of unit.
The new wind winter condition of part: outdoor new wind mixes with the indoor return air entering heat utilization side combined air conditioner unit 300 via air returning valve 320 via new air-valve 310, mixing air carries out primary purifying process, heat utilization side heat exchanger 340 heat treated via primary efficient filter screen 330 successively, reheater 350 quits work this season, humidifier 360 adds wet process, centrifugal blower 370 pressure air blowing, medium effeciency filter 380 medium air filtration process, send into eventually through air supply duct and adjusted space, meet the wet demand of Indoor Thermal；Simultaneously, magnetic suspension centrifugal compressor 220 sucks low-temperature low-pressure refrigerant steam from outdoor heat exchanger 340, become the superheated steam of High Temperature High Pressure after compression, indoor heat exchanger 240 is sent into by four-way change-over valve 230, condense the refrigerant liquid becoming the middle temperature of high pressure, simultaneously to processed heating treatment, after electric expansion valve 250 throttles, become the cold-producing medium liquid-vapor mixture of low-temp low-pressure, send in outdoor heat exchanger 340, evaporation endothermic；Control system acts primarily as following effect in running: first, relativeness according to mixed aerial temperature and humidity Yu indoor temperature and humidity, on the premise of ensureing minimum fresh air requirmente demand, automatically adjust new air-valve 310 and the aperture of air returning valve 320, to realize maximum energy-saving operating mode；Secondly, the input ratio of the input ratio of magnetic suspension centrifugal compressor 220, humidifier 360 is automatically adjusted according to indoor temperature and humidity and the deviation situation setting indoor temperature and humidity；Finally, the operation conditions of detecting system each several part constantly, such as relevant service datas such as filter differential pressure, consuming parts current values, run realizing the highly effective and safe of unit.
All-fresh air winter condition: outdoor new wind enters in heat utilization side combined air conditioner unit 300 via new air-valve 310, carry out primary purifying process, heat utilization side heat exchanger 340 heat treated via primary efficient filter screen 330 successively, reheater 350 quits work this season, humidifier 360 adds wet process, centrifugal blower 370 pressure air blowing, medium effeciency filter 380 medium air filtration process, send into eventually through air supply duct and adjusted space, meet the wet demand of Indoor Thermal；Simultaneously, magnetic suspension centrifugal compressor 220 sucks low-temperature low-pressure refrigerant steam from outdoor heat exchanger 340, become the superheated steam of High Temperature High Pressure after compression, indoor heat exchanger 240 is sent into by four-way change-over valve 230, condense the refrigerant liquid becoming the middle temperature of high pressure, simultaneously to processed heating treatment, after electric expansion valve 250 throttles, become the cold-producing medium liquid-vapor mixture of low-temp low-pressure, send in outdoor heat exchanger 340, evaporation endothermic；Control system acts primarily as following effect in running: first, automatically the input ratio of the input ratio of magnetic suspension centrifugal compressor 220, humidifier 360 is adjusted according to indoor temperature and humidity and the deviation situation setting indoor temperature and humidity, secondly, the most extremely tremble with fear operating mode, occur when condensing pressure is too low, the rotating speed of centrifugal blower 370 can be adjusted according to the concrete numerical value of condensing pressure, reduce the process air quantity of heat utilization side combined air conditioner unit 300, to maintain the safe operation of unit；Finally, the operation conditions of detecting system each several part constantly, such as relevant service datas such as filter differential pressure, consuming parts current values, run realizing the highly effective and safe of unit.
In this utility model embodiment, owing to have employed magnetic suspension centrifugal compressor 220 compressor, therefore oil return difficulty can not be occurred to cause the risk of unit fault under conditions of step-less adjustment unit load.
In this utility model embodiment, owing to being configured with intelligence control system 100, by adjusting the relevant control means such as new return air ratio, pressure fan rotating speed so that unit energy is round-the-clock, energy-conservation, efficient, safe operation.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (2)
1. one kind round-the-clock efficient straight swollen air conditioning unit, including heat source side unit (200), heat utilization side combined air conditioner unit (300) and intelligence control system (100), described intelligence control system (100) is connected with heat source side unit (200) and heat utilization side combined air conditioner unit (300) simultaneously, it is characterised in that:
Described heat source side unit (200) includes magnetic suspension centrifugal compressor (220), outdoor heat exchanger (240), aerofoil fan (210), four-way change-over valve (230) and electric expansion valve (250), described aerofoil fan (210) matches with outdoor heat exchanger (240), one end of outdoor heat exchanger (240) communicates with four-way change-over valve (230), the other end is connected with electric expansion valve (250), and the import and export of described magnetic suspension centrifugal compressor (220) are all connected with four-way change-over valve (230)；
nullDescribed heat utilization side combined air conditioner unit (300) includes electronic new air-valve (310)、Electronic air returning valve (320)、Just imitate air filter (330)、Freon heat exchanger (340)、Reheater (350)、Humidifier (360)、Centrifugal blower (370)、Middle effect air filter (380) and air outlet，Described electronic new air-valve (310) and electronic air returning valve (320) all with just imitate air filter (330) and be connected，Air filter (330) is imitated at the beginning of described、Freon heat exchanger (340)、Reheater (350)、Humidifier (360)、Centrifugal blower (370)、Middle effect air filter (380) and air outlet are sequentially connected logical，Described four-way change-over valve (230) is all connected with freon heat exchanger (340) with electric expansion valve (250).
null2. as claimed in claim 1 a kind of round-the-clock efficient straight swollen air conditioning unit，It is characterized in that: described intelligence control system (100) includes Programmable Logic Controller (110) and the outdoor temperature humidity sensor (120) being connected with Programmable Logic Controller (110)、Indoor temperature and humidity sensor (130)、Centrifugal blower arrangements for speed regulation (140)、Refrigerant pressure sensor (150)、Humidification regulating device (160)、Reheater adjusting means (170) and fan valve executor (180)，Described centrifugal blower arrangements for speed regulation (140) are connected with centrifugal blower (370)，Described reheater adjusting means (170) is connected with reheater (350)，Described humidification regulating device (160) is connected with humidifier (360)，Described fan valve executor (180) is connected with electronic new air-valve (310) and electronic air returning valve (320) simultaneously.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620388388.1U CN205561119U (en) | 2016-04-29 | 2016-04-29 | All -weather high efficiency air conditioning unit that directly expands |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620388388.1U CN205561119U (en) | 2016-04-29 | 2016-04-29 | All -weather high efficiency air conditioning unit that directly expands |
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| CN205561119U true CN205561119U (en) | 2016-09-07 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218700A (en) * | 2017-06-05 | 2017-09-29 | 深圳市建恒测控股份有限公司 | Air-conditioning system efficient heat, the computational methods of efficiency and energy flow chart display methods |
| CN107883518A (en) * | 2016-09-30 | 2018-04-06 | 大金工业株式会社 | Air-conditioning system and its control method |
| CN108679869A (en) * | 2018-06-20 | 2018-10-19 | 江苏三六五室内环境科技有限公司 | A kind of complete straight swollen warm and humid sub-control air-conditioning system of type of list refrigerant circuit |
| CN109163391A (en) * | 2018-09-10 | 2019-01-08 | 杭州源牌科技股份有限公司 | A kind of cold and hot air-conditioning system in geomantic omen |
| CN110131878A (en) * | 2018-02-09 | 2019-08-16 | 北京三五二环保科技有限公司 | A kind of multi-functional air conditioner unit |
-
2016
- 2016-04-29 CN CN201620388388.1U patent/CN205561119U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883518A (en) * | 2016-09-30 | 2018-04-06 | 大金工业株式会社 | Air-conditioning system and its control method |
| CN107883518B (en) * | 2016-09-30 | 2020-06-16 | 大金工业株式会社 | Air conditioning system and control method thereof |
| CN107218700A (en) * | 2017-06-05 | 2017-09-29 | 深圳市建恒测控股份有限公司 | Air-conditioning system efficient heat, the computational methods of efficiency and energy flow chart display methods |
| CN107218700B (en) * | 2017-06-05 | 2019-08-16 | 深圳市建恒测控股份有限公司 | Air-conditioning system efficient heat, the calculation method of efficiency and energy flow chart display methods |
| CN110131878A (en) * | 2018-02-09 | 2019-08-16 | 北京三五二环保科技有限公司 | A kind of multi-functional air conditioner unit |
| CN108679869A (en) * | 2018-06-20 | 2018-10-19 | 江苏三六五室内环境科技有限公司 | A kind of complete straight swollen warm and humid sub-control air-conditioning system of type of list refrigerant circuit |
| CN109163391A (en) * | 2018-09-10 | 2019-01-08 | 杭州源牌科技股份有限公司 | A kind of cold and hot air-conditioning system in geomantic omen |
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Granted publication date: 20160907 Termination date: 20210429 |
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