CN102878718A - Cooling and heating type variable frequency air conditioner of pure electric bus - Google Patents
Cooling and heating type variable frequency air conditioner of pure electric bus Download PDFInfo
- Publication number
- CN102878718A CN102878718A CN2012104018240A CN201210401824A CN102878718A CN 102878718 A CN102878718 A CN 102878718A CN 2012104018240 A CN2012104018240 A CN 2012104018240A CN 201210401824 A CN201210401824 A CN 201210401824A CN 102878718 A CN102878718 A CN 102878718A
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- Prior art keywords
- condenser
- pure electric
- frequency air
- partition plate
- cold
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00007—Combined heating, ventilating, or cooling devices
- B60H1/00207—Combined heating, ventilating, or cooling devices characterised by the position of the HVAC devices with respect to the passenger compartment
- B60H2001/00235—Devices in the roof area of the passenger compartment
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- Air-Conditioning For Vehicles (AREA)
Abstract
The invention provides a cooling and heating type variable frequency air conditioner of a pure electric bus. The cooling and heating type variable frequency air conditioner of the pure electric bus comprises a first partition plate and a second partition plate which are arranged on the lower side and the upper side of a condenser, the condenser is obliquely arranged with the front end higher than the rear end, the bottom of the first partition plate is abut against a bottom shell while the top thereof is abut against the condenser, the bottom of the second partition plate is abut against the condenser while the top thereof is abut against a top cover, the condenser is separated into a front section, a middle section and a rear section by the first partition plate and the second partition plate, and a condenser fan is arranged behind the second partition plate. During running of the bus, cool air enters via air vents, detours three times under the action of the partition plates, flows through the condenser and then is drawn out from the condenser fan, and then heat of the condenser fan can be brought away fully. Compared with the prior art, air flowing amount for unit area of the condenser is increased by three times, and cooling effect of the condenser fan is greatly strengthened under the condition of same air drawing amount.
Description
Technical field
The present invention relates to a kind of coach air conditioner, especially a kind of pure electric coach cold-warm type convertible frequency air-conditioner.
Background technology
Hvac system be realize to air in a car compartment freeze, the device of heating, ventilation and air cleaning.It can reduce driver's fatigue strength for rider person provides comfortable by bus environment, improves traffic safety.Aircondition has become weighs whether one of complete sign of automobile function.Along with the development of China's city bus and tourist industry, air-conditioned passenger train goes on the market in a large number, and the coach air conditioner maintenance personal has been had increasing demand.Relative car, coach air conditioner has an individual system of one's own.Hvac system is by refrigeration system, heating system, ventilation and air cleaning unit and composition of the control system.The coach air conditioner refrigeration system is comprised of compressor, condenser, drier receiver, expansion valve, evaporimeter and air blast etc.The condensation of condenser refers to refrigerant loses heat in its pipeline from the gaseous state liquid state of congealing into.The cooling water tank of its principle and engine close (difference only is that the water of water tank is liquid always), so it often is installed in headstock, with water tank, the common breezy cool breeze of enjoying from the place ahead.Condenser is where to cool off oneself where to go in a word, so that its heat radiation condensation.Evaporimeter is just in time opposite with condenser, and it is cold-producing medium is become gaseous state (i.e. evaporation) absorbing heat by liquid state place.Adopt copper pipe (or aluminum pipe) and high-pressure rubber hose to connect into a closed system between each parts.During refrigeration system work, cold-producing medium circulates in this closed system with different states, each circulation is four basic processes again: 1, compression process: compressor sucks the refrigerant gas of the low-temp low-pressure at evaporator outlet place, and the gas that it is compressed into HTHP is discharged compressor.2, heat radiation process: the superheated refrigerant gas of HTHP enters condenser, because the reduction of pressure and temperature, refrigerant gas is condensed into liquid, and discharges a large amount of heats.3, throttling process: the refrigerant liquid that temperature and pressure is higher becomes large by volume behind the expansion gear, and pressure and temperature sharply descends, and discharges expansion gear with vaporific (fine drop).4, endothermic process: atomized refrigerant liquid enters evaporimeter, thus the time cold-producing medium boiling point far below temperature in the evaporimeter, so refrigerant liquid flashes to gas.Heat in evaporation process around a large amount of the absorption, then the refrigerant vapour of low-temp low-pressure enters again compressor.The carrying out that said process goes round and begins again reaches the purpose that reduces the evaporimeter ambient air temperature.
Existing coach air conditioner, comprise compressor, condenser, drier receiver, expansion valve, top cover, evaporimeter and air blast, described compressor, condenser, drier receiver, expansion valve, adopt pipeline to connect into a closed system between the evaporimeter, the condenser correspondence is provided with air inlet and exhausting blower fan, air enters from air inlet, through condenser, the heat of condenser is taken away, discharge from the exhausting blower fan again, condenser area is larger, the air capacity of the process that flows from the condenser of unit are is not very sufficient, can fully the heat on the condenser not taken away, cause that the condenser radiating effect is bad sometimes, even have influence on the overall performance of coach air conditioner.
Summary of the invention
The problem to be solved in the present invention is the condensation that the improves background technology microbus air-conditioning bad problem of thermal effect of evapotranspiring.
In order to overcome the above problems, the invention provides a kind of pure electric coach cold-warm type convertible frequency air-conditioner, comprise compressor, condenser, drier receiver, drain pan, top cover, evaporimeter and air blast, described compressor, condenser, drier receiver, adopt pipeline to connect into a closed system between the evaporimeter, described condenser is located at the front portion at passenger vehicle top, described condenser comprises pipeline and radiating fin, the relative condenser of described evaporimeter is located at the rear portion at passenger vehicle top, described top cover front end is provided with the opening of ventilation, also be provided with condensation fan on the described top cover, described pure electric coach cold-warm type convertible frequency air-conditioner also comprises the first dividing plate and the second partition that lays respectively at described condenser downside and upside, described condenser is being obliquely installed of the end behind the front height, described the first dividing plate bottom is butted on mutually drain pan and the top is butted on condenser mutually, the second partition bottom is butted on mutually condenser and the top is butted on top cover mutually, described the first dividing plate and second partition are separated into leading portion with condenser, the stage casing, the rear end, described condensation fan is located at the back of second partition.
The top of described opening relatively bottom recedes so that opening and horizontal plane form 30 degree to the angle of 60 degree.
That described radiating fin is provided with the one with it and uniform projective structure in interval, described projective structure is what be stamped to form.
The top of described projective structure is provided with through hole, and described through hole is that punching press forms.
Pure electric coach cold-warm type convertible frequency air-conditioner of the present invention, described pure electric coach cold-warm type convertible frequency air-conditioner also comprises the first dividing plate and the second partition that lays respectively at described condenser downside and upside, described condenser is being obliquely installed of the end behind the front height, described the first dividing plate bottom is butted on mutually drain pan and the top is butted on condenser mutually, the second partition bottom is butted on mutually condenser and the top is butted on top cover mutually, described the first dividing plate and second partition are separated into leading portion, stage casing, rear end with condenser, and described condensation fan is located at the back of second partition.In the bus driving, cold air enters from ventilation orifice, circuitously crooked under the effect of baffle plate pass condenser three times and could extract out from condensation fan, fully the heat of condensation fan is taken away, than prior art, the air capacity that the unit are of condenser is passed through has increased by three times, and condensation fan is under the condition of same exhausting amount, and cooling effect has been strengthened relatively before widely.
Description of drawings
Fig. 1 is the schematic top plan view of the top cover of pure electric coach cold-warm type convertible frequency air-conditioner of the present invention
Fig. 2 is the condenser of pure electric coach cold-warm type convertible frequency air-conditioner of the present invention and the schematic diagram of arranging of evaporimeter
Fig. 3 is the schematic diagram that moves towards that air of the present invention passes condenser
Fig. 4 is the schematic perspective view of radiating fin of the present invention
1, top cover; 2, opening; 3, condensation fan; 4, condenser; 5, evaporimeter; 6, the first dividing plate; 7, second partition; 8, radiating fin; 81, projective structure; 82, through hole.
The specific embodiment
Below in conjunction with accompanying drawing a kind of pure electric coach cold-warm type of the present invention convertible frequency air-conditioner is described further.
Such as Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, the pure electric coach cold-warm type convertible frequency air-conditioner of present embodiment, comprise compressor, condenser 4, drier receiver, drain pan, top cover 1, evaporimeter 5 and air blast, compressor, condenser, drier receiver, adopt pipeline to connect into a closed system between the evaporimeter 5, condenser 4 is located at the front portion at passenger vehicle top, condenser 4 comprises pipeline and radiating fin 8, evaporimeter 5 relative condensers 4 are located at the rear portion at passenger vehicle top, top cover 1 front end is provided with the opening 2 of ventilation, also be provided with condensation fan 3 on the top cover 1, pure electric coach cold-warm type convertible frequency air-conditioner also comprises the first dividing plate 6 and the second partition 7 that lays respectively at condenser 4 downsides and upside, condenser 4 is being obliquely installed of the end behind the front height, the first dividing plate 6 bottoms are butted on mutually drain pan and the top is butted on condenser 4 mutually, second partition 7 bottoms are butted on mutually condenser 4 and the top is butted on top cover 1 mutually, the first dividing plate 6 and second partition 7 are separated into leading portion with condenser 4, the stage casing, the rear end, condensation fan 3 is located at the back of second partition.In the bus driving, cold air enters from ventilation orifice, shown in the arrow among Fig. 3, circuitously crooked under the effect of baffle plate pass condenser three times and could extract out from condensation fan, fully the heat of condensation fan is taken away, than prior art, the air capacity that the unit are of condenser is passed through has increased by three times, condensation fan is under the condition of same exhausting amount, and cooling effect has been strengthened relatively before widely.Be subject to the restriction of pipeline and radiating fin, condenser bending design is very difficult, and cost is very high.Coach air conditioner of the present invention changes under the shape of condenser not needing, and has reached air and has repeatedly passed condenser, fully carries out the purpose of exchange heat.
In the present embodiment, the top of described opening 2 relatively bottom recedes so that opening 2 forms 30 degree to the angle of 60 degree with horizontal plane.This design is so that opening has preferably aesthetic property, and while reduce air drag is to reach the effect of better travelling.
In the present embodiment, that described radiating fin 8 is provided with the one with it and uniform projective structure 81 in interval, projective structure 81 is for being stamped to form.By being provided with projective structure 81, further increase the surface area of radiating fin, so that the radiating effect of radiating fin is better.
In the present embodiment, the top of described projective structure 81 is provided with through hole 82, and through hole 82 forms for punching press.By being provided with through hole 82, further increase the performance of ventilating of radiating fin, so that radiating fin can better contact with air, air can be taken away the heat energy on the radiating fin fully, radiating effect is further strengthened, in addition, radiating fin is less to the resistance of air, so that the load of condensation fan alleviates.
The invention is not restricted to above embodiment and conversion.
Claims (4)
1. pure electric coach cold-warm type convertible frequency air-conditioner, comprise compressor, condenser (4), drier receiver, drain pan, top cover (1), evaporimeter (5) and air blast, described compressor, condenser, drier receiver, adopt pipeline to connect into a closed system between the evaporimeter (5), described condenser (4) is located at the front portion at passenger vehicle top, described condenser (4) comprises pipeline and radiating fin (8), the relative condenser (4) of described evaporimeter (5) is located at the rear portion at passenger vehicle top, described top cover (1) front end is provided with the opening (2) of ventilation, also be provided with condensation fan (3) on the described top cover (1), it is characterized in that: described pure electric coach cold-warm type convertible frequency air-conditioner also comprises the first dividing plate (6) and the second partition (7) that lays respectively at described condenser (4) downside and upside, described condenser (4) is being obliquely installed of the end behind the front height, described the first dividing plate (6) bottom is butted on mutually drain pan and the top is butted on condenser (4) mutually, second partition (7) bottom is butted on mutually condenser (4) and the top is butted on top cover (1) mutually, described the first dividing plate (6) and second partition (7) are separated into leading portion with condenser (4), the stage casing, the rear end, described condensation fan (3) is located at the back of second partition.
2. a kind of pure electric coach cold-warm type convertible frequency air-conditioner according to claim 1 is characterized in that: recede bottom the top of described opening (2) is relative so that opening (2) forms 30 degree to 60 angles of spending with horizontal plane.
3. according to claim 1 to 2 described a kind of pure electric coach cold-warm type convertible frequency air-conditioners, it is characterized in that: that described radiating fin (8) is provided with the one with it and uniform projective structure in interval (81), described projective structure (81) is for being stamped to form.
4. a kind of pure electric coach cold-warm type convertible frequency air-conditioner according to claim 3, it is characterized in that: the top of described projective structure (81) is provided with through hole (82), and described through hole (82) forms for punching press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210401824.0A CN102878718B (en) | 2012-10-20 | 2012-10-20 | Cooling and heating type variable frequency air conditioner of pure electric bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210401824.0A CN102878718B (en) | 2012-10-20 | 2012-10-20 | Cooling and heating type variable frequency air conditioner of pure electric bus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102878718A true CN102878718A (en) | 2013-01-16 |
| CN102878718B CN102878718B (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210401824.0A Active CN102878718B (en) | 2012-10-20 | 2012-10-20 | Cooling and heating type variable frequency air conditioner of pure electric bus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112193019A (en) * | 2020-10-22 | 2021-01-08 | 珠海格力电器股份有限公司 | Positioning structure, packaging structure and mounting method of vehicle-mounted air conditioner |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4899809A (en) * | 1987-03-31 | 1990-02-13 | Nissan Shatai Company, Limited | Automotive air conditioner system with automatic adjustment of discharge air temperature |
| JP2001105830A (en) * | 1999-10-06 | 2001-04-17 | Calsonic Kansei Corp | Vehicle airconditioning unit |
| CN2431144Y (en) * | 2000-08-07 | 2001-05-23 | 彭树辉 | Overhead automobile air-conditioner |
| US20010017203A1 (en) * | 2000-02-28 | 2001-08-30 | Yukio Uemura | Automotive air-conditioner having scroll casing |
| CN1440888A (en) * | 2002-02-28 | 2003-09-10 | 株式会社电装 | Air conditioning system for vehicle |
| CN2856811Y (en) * | 2005-11-16 | 2007-01-10 | 比亚迪股份有限公司 | Cooling/heating controller of air conditioner |
| CN201405702Y (en) * | 2009-05-13 | 2010-02-17 | 无锡双鸟科技股份有限公司 | Overhead integrated automobile air conditioner |
| CN202254524U (en) * | 2011-09-28 | 2012-05-30 | 杭州祥和实业有限公司 | Built-in type parallel-flow coach air conditioner condenser core body |
-
2012
- 2012-10-20 CN CN201210401824.0A patent/CN102878718B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4899809A (en) * | 1987-03-31 | 1990-02-13 | Nissan Shatai Company, Limited | Automotive air conditioner system with automatic adjustment of discharge air temperature |
| JP2001105830A (en) * | 1999-10-06 | 2001-04-17 | Calsonic Kansei Corp | Vehicle airconditioning unit |
| US20010017203A1 (en) * | 2000-02-28 | 2001-08-30 | Yukio Uemura | Automotive air-conditioner having scroll casing |
| CN2431144Y (en) * | 2000-08-07 | 2001-05-23 | 彭树辉 | Overhead automobile air-conditioner |
| CN1440888A (en) * | 2002-02-28 | 2003-09-10 | 株式会社电装 | Air conditioning system for vehicle |
| CN2856811Y (en) * | 2005-11-16 | 2007-01-10 | 比亚迪股份有限公司 | Cooling/heating controller of air conditioner |
| CN201405702Y (en) * | 2009-05-13 | 2010-02-17 | 无锡双鸟科技股份有限公司 | Overhead integrated automobile air conditioner |
| CN202254524U (en) * | 2011-09-28 | 2012-05-30 | 杭州祥和实业有限公司 | Built-in type parallel-flow coach air conditioner condenser core body |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112193019A (en) * | 2020-10-22 | 2021-01-08 | 珠海格力电器股份有限公司 | Positioning structure, packaging structure and mounting method of vehicle-mounted air conditioner |
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| CN102878718B (en) | 2015-05-20 |
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Effective date of registration: 20220120 Address after: 311401 Building 5, No. 12, No. 3 Road, Dongzhou industrial functional zone, Dongzhou street, Fuyang District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Xianghe Industrial Co.,Ltd. Address before: 311400 No. 8, No. 8 Road, Dongzhou industrial functional zone, Fuyang City, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU SUNHOLD INDUSTRIAL Co.,Ltd. |
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| TR01 | Transfer of patent right |