CN101936594B - Frequency conversion air conditioner for new energy passenger car - Google Patents
Frequency conversion air conditioner for new energy passenger car Download PDFInfo
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- CN101936594B CN101936594B CN2010102845362A CN201010284536A CN101936594B CN 101936594 B CN101936594 B CN 101936594B CN 2010102845362 A CN2010102845362 A CN 2010102845362A CN 201010284536 A CN201010284536 A CN 201010284536A CN 101936594 B CN101936594 B CN 101936594B
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Abstract
The invention relates to a frequency conversion air conditioner for new energy passenger car. A frequency conversion compressor is arranged at the middle part of an air conditioner, the two sides of the compressor are provided with a control unit and a power system; a condensation component is arranged at the front end of the air conditioner, the middle part is a condensation fan, and condensers are arranged at the two side in an inversed V shape; an evaporation component is arranged at the rear end of the air conditioner, the middle part is a return air inlet, the two sides are provided with an evaporation fan, and an evaporator is arranged between the evaporation fan and the return air inlet; the front end of the frequency conversion compressor is communicated with a four-way change valve by virtue of a check valve, the rear end is communicated with the four-way change valve by virtue of a gas-liquid separator, the four-way change valve is respectively connected with the condenser and the evaporator, and the condenser is connected with the evaporator by virtue of a drier and a bidirectional expansion valve; all pipelines are connected by adopting a welding way, all the electric components are connected and arranged in an overhead type structure, and only a power supply is externally connected with a control cable. The invention has the advantages that structure is compact, occupying space is small, and energy consumption is low, thus being applicable to new energy passenger car.
Description
Technical field
The present invention relates to air conditioning for automobiles design and manufacturing technology field, specifically, is a kind of convertible frequency air-conditioner device that is used for the new forms of energy passenger vehicle.
Background technology
Existing tourism big bus, city bus big bus generally all are equipped with aircondition.Mostly existing automobile air conditioning system device is the overhead type structure; What its compressor used is invariable frequency compressor; Air-conditioning relies on the start-stop of compressor to realize temperature controlling, and blower fan and compressor power fail to arrange well, are difficult to realize VFC; The ubiquity volume is big, and inner body is arranged unreasonable, power consumption problem of higher.For a change the dynamical system of big bus reduces oil consumption, reduces exhaust emissions, and various new forms of energy passenger vehicles arise at the historic moment.The alleged new forms of energy passenger vehicle of the present invention mainly is meant: diesel oil-electricity mixed power passenger vehicle (accounting for more than 90% of China's new forms of energy passenger vehicle), pure electric coach, fuel battery passenger car or the like (the new forms of energy passenger vehicle in research also should comprise natural gas passenger vehicle, liquefied natural gas passenger vehicle, liquefied petroleum gas passenger vehicle, pure fuel passenger vehicle, super capacity public transport car or the like).The advantage of said new forms of energy passenger vehicle is: oil consumption obviously reduces, and discharging can reach state IV standards, and shortcoming is to still have some deficits in battery capacity and life-span.Be installed on the new forms of energy passenger vehicle if will have automobile air conditioning system now, can have a strong impact on the distance travelled of new forms of energy passenger vehicle.In addition, can adopt the hot water mode when existing automobile air conditioning system heats, still, the new forms of energy passenger vehicle is because the caloric value of motor is little, and therefore, the method that heats with hot water is worthless.
The main deficiency of the aircondition that at present, electric automobile uses on the market has:
What (1) compressor adopted is to decide the frequency mode, and volume is bigger, and it is big to take up room, and causes the air-conditioning volume of design bigger, and overall weight increases.
(2) shared inverter of the compressor of air-conditioning, evaporation fan and condensation fan, or evaporation fan and the shared frequency converter of condensation fan cause the fan speed regulation difficulty, can not realize the adjusting of evaporation fan speed.
(3) compressor is an invariable frequency compressor, can not carry out frequency adjustment, and energy-saving effect is not good; Even what have has adopted frequency-changeable compressor, but fail to realize the automatic control of frequency adjustment.
(4) adopt electric heating system to heat, Energy Efficiency Ratio is very low.
Summary of the invention
The objective of the invention is to be to overcome the deficiency of prior art; A kind of convertible frequency air-conditioner device that is used for the new forms of energy passenger vehicle is provided, and air-conditioning is the integral unit formula, compact conformation, take up room little, Energy Efficiency Ratio good; Meet the requirement of environmental protection and energy saving, meet the designing requirement that is installed on the new forms of energy passenger vehicle.
For realizing above-mentioned purpose, the technical scheme that the present invention takes is:
A kind of new forms of energy passenger vehicle is used the convertible frequency air-conditioner device; Be the overhead type structure; Contain condenser, condensation fan, compressor, control module, evaporation fan, evaporimeter, gas-liquid separator, check (non-return) valve, four-way change-over valve, drier and two-way expansion valve, it is characterized in that: adopt frequency-changeable compressor, frequency-changeable compressor, compressor variable frequency device, condensation fan frequency converter are arranged on the middle part of aircondition; Form compressor chamber, control module and power-supply system are set in the both sides of compressor chamber; Condensation portion is arranged on the front end of aircondition: condenser is the herringbone setting on the both sides of condensation portion, and condensation fan is arranged on the centre of condensation portion; Evaporation section and drier, two-way expansion valve are arranged on the rear end of aircondition: be return air inlet wherein, both sides respectively are provided with evaporation fan, and evaporimeter is arranged between evaporation fan and the return air inlet, and the evaporation fan frequency converter is arranged at return air inlet; The front end of frequency-changeable compressor is through blast pipe, check (non-return) valve and four-way change-over valve conducting, and the rear end of frequency-changeable compressor is through muffler, gas-liquid separator and four-way change-over valve conducting; Four-way change-over valve is connected with evaporimeter with condenser respectively, and condenser is connected with evaporimeter with two-way expansion valve through drier; All pipeline adopts and is welded to connect no extension tube attached.
Optional, described frequency-changeable compressor is totally-enclosed or semiclosed horizontal type scroll frequency-changeable compressor.
Optional, described condenser is two pipe types or corrugated tube type or flat flow air-cooled structure radiator.
Optional, described condensation fan is two or one and presses wind or exhausting type condensation fan.
Optional, described evaporimeter is two pipe types or corrugated tube type air-cooled structure radiator.
Optional, described four-way change-over valve disposes heater coil, can realize that heat pump heats, and can flow at heat pump state down conversion and realize defrosting.
Optional, described evaporation fan is four or two or a centrifugal fan.
Optional, described compressor variable frequency device, condensation fan frequency converter, evaporation fan frequency converter can be realized the requirement of the regulating frequency that three kinds of power is different respectively.
Optional, described blower fan all adopts the brushless ac blower fan.
Described frequency-changeable compressor, condenser, evaporimeter, four-way change-over valve, frequency converter, control module and electrical components connection all are arranged in the overhead type structure; Said overhead type structure externally connects has only a high-voltage power-line to be connected with the automobile main power source, and a control cable is connected with the air-conditioning executor.
It is (can referring to accompanying drawing 2) that new forms of energy passenger vehicle of the present invention uses the operation principle of convertible frequency air-conditioner device:
Aircondition is when refrigeration; Low-pressure gaseous refrigerant forms high temperature and high pressure gas after frequency-changeable compressor 3 compressions; It gets into the D end of four-way change-over valve 12 through blast pipe, check (non-return) valve 11; At this moment, the coil of four-way change-over valve 12 is not worked, and high temperature and high pressure gas gets into condenser 1 through the C of four-way change-over valve 12 end.Under the pressure heat exchange of condensation fan 2 and condenser 1, warm highly pressurised liquid during high temperature and high pressure gas is cooled in condenser 1; In warm highly pressurised liquid arrive two-way expansion valve 14 through drier 13, through getting into evaporimeter 8 after two-way expansion valve 14 throttlings; Under the pressure heat exchange of evaporation fan 7 and evaporimeter 8, (realize refrigeration); In warm highly pressurised liquid in evaporimeter 8, become low-temp low-pressure gas behind the expansion absorption cold energy; Low-temp low-pressure gas gets into gas-liquid separator 10 through the entering of E end, the S end output back of four-way change-over valve 12; Gas (if liquid is arranged) after muffler gets into frequency-changeable compressor 3 again, is realized kind of refrigeration cycle through gas-liquid separation.
Aircondition is when heating; Low-pressure gaseous refrigerant forms high temperature and high pressure gas after frequency-changeable compressor 3 compressions; It gets into the D end of four-way change-over valve 12 through blast pipe, check (non-return) valve 11; At this moment, the coil electricity work of four-way change-over valve 12, high temperature and high pressure gas gets into evaporimeter 8 through the E of four-way change-over valve 12 end.Under the pressure heat exchange of evaporation fan 7 and evaporimeter 8 (realization heats), warm highly pressurised liquid during high temperature and high pressure gas is cooled in evaporimeter 8; In warm highly pressurised liquid arrive two-way expansion valve 14 through manifold trunk; After two-way expansion valve 14 throttlings, get into condenser 1 through drier 13 again; In warm highly pressurised liquid in condenser 1, become low-temp low-pressure gas behind the expansion absorption external heat; Low-temp low-pressure gas gets into gas-liquid separator 10 through the entering of C end, the S end output back of four-way change-over valve 12, after muffler gets into frequency-changeable compressor 3 again, realization heats circulation to gas (if liquid is arranged) through gas-liquid separation.
New forms of energy passenger vehicle of the present invention with the good effect of convertible frequency air-conditioner device is:
(1) adopts the frequency-changeable compressor of upper frequency to replace low-frequency invariable frequency compressor, realize the compressor miniaturization; Blower fan all adopts the brushless ac blower fan, can realize frequency control; Adopt three frequency converters, satisfy the requirement of compressor, condensation fan and evaporation fan different frequency; Can also carry out heat pump and heat, reliability, security and energy-saving effect are all fine.
(2) be integral unit formula air-conditioning, the electrical components connection all is arranged in the aircondition, no extension tube attached, and pipeline adopts and is welded to connect, and leakage rate is low, whole compact conformation, it is little to take up room, and installs simple, easy to maintenance.
(3) because this aircondition energy consumption is lower, be suitable for the new forms of energy passenger vehicle, the use of new forms of energy passenger vehicle is had very positive effect with promoting.
Description of drawings
Accompanying drawing 1 is the structural representation of new forms of energy passenger vehicle of the present invention with the convertible frequency air-conditioner device;
Accompanying drawing 2 is the structure connection block diagram of new forms of energy passenger vehicle of the present invention with the convertible frequency air-conditioner device;
Accompanying drawing 3 is the functional schematic of control module executor panel.
Label among the figure is respectively:
1, condenser; 2, condensation fan; 3, frequency-changeable compressor;
4, control module; 5, compressor variable frequency device; 6, condensation fan frequency converter;
7, evaporation fan; 8, evaporimeter; 9, evaporation fan frequency converter;
10, gas-liquid separator; 11, check (non-return) valve; 12, four-way change-over valve;
13, drier; 14, two-way expansion valve.
The specific embodiment
Further specify the specific embodiment of new forms of energy passenger vehicle of the present invention below in conjunction with accompanying drawing, still, the invention is not restricted to following embodiment with the convertible frequency air-conditioner device.
Referring to attaching Fig. 1 and 2.
A kind of new forms of energy passenger vehicle is used the convertible frequency air-conditioner device; Be the overhead type structure, constitute by condenser 1, condensation fan 2, frequency-changeable compressor 3, control module 4, compressor variable frequency device 5, condensation fan frequency converter 6, evaporation fan 7, evaporimeter 8, evaporation fan frequency converter 9, gas-liquid separator 10, check (non-return) valve 11, four-way change-over valve 12, drier 13 and two-way expansion valve 14.Adopt totally-enclosed or semiclosed horizontal type scroll frequency-changeable compressor 3; Adopt two or one to press wind or exhausting type condensation fan 2; Frequency-changeable compressor 3, compressor variable frequency device 5, condensation fan frequency converter 6 are arranged on the middle part of aircondition; Form compressor chamber, control module 4 and power-supply system are set in the both sides of compressor chamber.
The condenser 1 that employing is made up of two pipe types or corrugated tube type or flat flow air-cooled structure radiator; The condensation fan 2 that adopts two brushless ac blower fans to constitute; Condensation portion is arranged on the front end of aircondition: condenser 1 is the herringbone setting on both sides, condensation fan 2 is arranged on the centre of condensation portion.
The evaporimeter 8 that adopts two pipe types or corrugated tube type air-cooled structure radiator to constitute; Employing is by four or two or the evaporation fan 7 that centrifugal fan constitutes; Evaporation section and drier 13, two-way expansion valve 14 are arranged on the rear end of aircondition: be return air inlet wherein; Both sides respectively are provided with evaporation fan 7, and evaporimeter 8 is arranged between evaporation fan 7 and the return air inlet, and evaporation fan frequency converter 9 is arranged at return air inlet.
Compressor variable frequency device 5, condensation fan frequency converter 6, the evaporation fan frequency converter 9 that adopts and be provided with can be realized the requirement of the regulating frequency that three kinds of power is different respectively.
The four-way change-over valve 12 of heater coil is disposed in employing, and it can realize that heat pump heats, and also flows at heat pump state down conversion and realizes defrosting.The front end of frequency-changeable compressor 3 is connected with four-way change-over valve 12 through blast pipe, check (non-return) valve 11; The rear end of frequency-changeable compressor 3 is connected with four-way change-over valve 12 through muffler, gas-liquid separator 10; The used whole pipelines of the present invention adopt and are welded to connect, and do not have extension tube attached.
All frequency-changeable compressors that relate to 3, condenser 1, evaporimeter 8, four-way change-over valve 12, frequency converter, control module 4 and electrical components connection all are arranged in the overhead type structure; The external connection of overhead type structure has only a high-voltage power-line to be connected with the automobile main power source, and a control cable is connected with the air-conditioning executor.
Referring to accompanying drawing 3.
Through the executor of control module 4 can realize aircondition of the present invention start or shut down, freeze or heat, controls such as air supply pattern, air quantity wind direction, temperature setting.Its control program is roughly with existing control program: the instruction that the manipulator will be provided with through the executor panel is sent to control module 4, and 4 pairs of instructions of control module are differentiated and handled, and commander's aircondition gets into corresponding operation.
When fault occurs, control module 4 will send failure code to executor display screen and point out.
Claims (10)
1. a new forms of energy passenger vehicle is used the convertible frequency air-conditioner device; Be the overhead type structure; Contain condenser (1), condensation fan (2), compressor, control module (4), evaporation fan (7), evaporimeter (8), gas-liquid separator (10), check (non-return) valve (11), four-way change-over valve (12), drier (13) and two-way expansion valve (14); It is characterized in that, adopt frequency-changeable compressor (3), frequency-changeable compressor (3), compressor variable frequency device (5), condensation fan frequency converter (6) are arranged on the middle part of aircondition; Form compressor chamber, control module (4) and power-supply system are set in the both sides of compressor chamber; Condensation portion is arranged on the front end of aircondition: condenser (1) is the herringbone setting on the both sides of condensation portion, and condensation fan (2) is arranged on the centre of condensation portion; Evaporation section and drier (13), two-way expansion valve (14) are arranged on the rear end of aircondition: be return air inlet in the middle of the evaporation section; Both sides respectively are provided with evaporation fan (7); Evaporimeter (8) is arranged between evaporation fan (7) and the return air inlet, and evaporation fan frequency converter (9) is arranged at return air inlet; The front end of frequency-changeable compressor (3) is through blast pipe, check (non-return) valve (11) and four-way change-over valve (12) conducting; The rear end of frequency-changeable compressor (3) is through muffler, gas-liquid separator (10) and four-way change-over valve (12) conducting; Four-way change-over valve (12) is connected with evaporimeter (8) with condenser (1) respectively, and condenser (1) is connected with evaporimeter (8) with two-way expansion valve (14) through drier (13); All pipeline adopts and is welded to connect no extension tube attached.
2. new forms of energy passenger vehicle according to claim 1 is used the convertible frequency air-conditioner device, it is characterized in that, optional, described frequency-changeable compressor (3) is totally-enclosed or semiclosed horizontal type scroll frequency-changeable compressor.
3. new forms of energy passenger vehicle according to claim 1 is used the convertible frequency air-conditioner device, it is characterized in that, optional, described condenser (1) is two pipe types or corrugated tube type or flat flow air-cooled structure radiator.
4. new forms of energy passenger vehicle according to claim 1 is used the convertible frequency air-conditioner device, it is characterized in that, optional, described condensation fan (2) is two or one and presses wind or exhausting type condensation fan.
5. new forms of energy passenger vehicle according to claim 1 is used the convertible frequency air-conditioner device, it is characterized in that, optional, described evaporimeter (8) is two pipe types or corrugated tube type air-cooled structure radiator.
6. new forms of energy passenger vehicle according to claim 1 is used the convertible frequency air-conditioner device, it is characterized in that, optional, described four-way change-over valve (12) disposes heater coil, can realize that heat pump heats, and can flow at heat pump state down conversion and realize defrosting.
7. new forms of energy passenger vehicle according to claim 1 is used the convertible frequency air-conditioner device, it is characterized in that, optional, described evaporation fan (7) is four or two or a centrifugal fan.
8. new forms of energy passenger vehicle according to claim 1 is used the convertible frequency air-conditioner device; It is characterized in that optional, described compressor variable frequency device (5), condensation fan frequency converter (6), evaporation fan frequency converter (9) can be realized the requirement of the regulating frequency that three kinds of power is different respectively.
9. new forms of energy passenger vehicle according to claim 1 is used the convertible frequency air-conditioner device, it is characterized in that, optional, described condensation fan (2) and described evaporation fan (7) all adopt the brushless ac blower fan.
10. use the convertible frequency air-conditioner device according to the new forms of energy passenger vehicle described in one of claim 1～9; It is characterized in that; Described frequency-changeable compressor (3), condenser (1), evaporimeter (8), four-way change-over valve (12), frequency converter, control module (4) and electrical components connection all are arranged in the overhead type structure; Said overhead type structure externally connects has only a high-voltage power-line to be connected with the automobile main power source, and a control cable is connected with the air-conditioning executor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102845362A CN101936594B (en) | 2010-09-17 | 2010-09-17 | Frequency conversion air conditioner for new energy passenger car |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102845362A CN101936594B (en) | 2010-09-17 | 2010-09-17 | Frequency conversion air conditioner for new energy passenger car |
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| CN101936594A CN101936594A (en) | 2011-01-05 |
| CN101936594B true CN101936594B (en) | 2012-07-04 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425877B (en) * | 2011-12-19 | 2014-09-17 | 上海颢源新能源科技有限公司 | Frequency-conversion air conditioner on electric vehicle |
| CN102679499A (en) * | 2012-05-24 | 2012-09-19 | 山东龙都瑞麟祥机电股份有限公司 | Air conditioner control system for electric coach |
| CN102692050A (en) * | 2012-06-13 | 2012-09-26 | 上海加冷松芝汽车空调股份有限公司 | Ceiling-mounted passenger car variable-frequency air conditioner |
| CN103742982A (en) * | 2013-12-23 | 2014-04-23 | 贾立进 | Carp habitat automotive air conditioning device |
| CN103994598B (en) * | 2014-05-30 | 2016-07-06 | 上海交通大学 | Pure electric vehicle heat pump |
| CN104290565B (en) * | 2014-10-20 | 2016-08-24 | 上海加冷松芝汽车空调股份有限公司 | Back-positioned type air conditioner for electric motor coach |
| CN104986009B (en) * | 2015-07-27 | 2018-05-04 | 比赫电气（太仓）有限公司 | A kind of electric bus overhead high direct voltage air-conditioning |
| CN106240302B (en) * | 2016-08-29 | 2018-12-25 | 广东唯金智能环境科技有限公司 | A kind of automatic thermostatic device of the automatically controlled control area of passenger car air-conditioner compressor |
| CN107782015A (en) * | 2016-08-31 | 2018-03-09 | 上海黑曼能源科技有限公司 | Air-source ecology cooling/warming system |
| CN111089437A (en) * | 2019-12-09 | 2020-05-01 | 浙江工业大学 | Pure electric bus air conditioning system with dust removal function |
| US11841176B2 (en) * | 2021-12-01 | 2023-12-12 | Haier Us Appliance Solutions, Inc. | Method of operating an electronic expansion valve in an air conditioner unit |
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| JP2008143521A (en) * | 2000-12-28 | 2008-06-26 | Denso Corp | Air conditioner for hybrid vehicle |
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