CN102889649B - Air-conditioner - Google Patents
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- CN102889649B CN102889649B CN201110200987.8A CN201110200987A CN102889649B CN 102889649 B CN102889649 B CN 102889649B CN 201110200987 A CN201110200987 A CN 201110200987A CN 102889649 B CN102889649 B CN 102889649B
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- condensation
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- 238000009833 condensation Methods 0.000 claims abstract description 57
- 230000005494 condensation Effects 0.000 claims abstract description 57
- 238000001704 evaporation Methods 0.000 claims abstract description 16
- 230000008020 evaporation Effects 0.000 claims abstract description 16
- 238000009834 vaporization Methods 0.000 claims description 21
- 230000008016 vaporization Effects 0.000 claims description 21
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 10
- 229910052710 silicon Inorganic materials 0.000 claims description 10
- 239000010703 silicon Substances 0.000 claims description 10
- 238000005057 refrigeration Methods 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 238000004378 air conditioning Methods 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
Landscapes
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses an air-conditioner which comprises a shell, a refrigerating system comprising a compressor, an evaporator, a capillary tube, a condenser and a four-way valve, and an electrical control system, wherein a storage battery is used to provide direct current power supply to the air-conditioner; an evaporation chamber is arranged on the upper part of the shell; a condensation chamber is arranged on the lower part of the shell; the evaporator is arranged in the evaporation chamber; the condenser and the compressor are arranged in the condensation chamber; an evaporation fan is arranged in the evaporation chamber; a condensation fan is arranged in the condensation chamber; the evaporation fan is a cross-flow fan; and the condensation fan is an axial-flow fan. The air-conditioner is an integral type air conditioner with compact structure and convenience in mounting, and has the great advantages of cost and difficulty in leakage compared with a detachable air conditioner. The power is provided by the storage battery; the operation of the compressor is not limited by an engine of a crane or does not influence lifting work of the engine or interfere a hydraulic system of the crane, so that the crane works stably. The operation of the air-conditioner does not rely on a power source of a special vehicle, so that the power consumption of the air-conditioner of the special vehicle is greatly lowered, and therefore, the air-conditioner is rational in design and low in carbon and saves energy.
Description
Technical field
The present invention relates to the apparatus of air conditioning, more particularly, relate to a kind of air-conditioner used in special purpose vehicle, ship.
Background technology
Autocrane is contained in a kind of crane on general-utility car chassis or cars chassis, belong to special car, it travels driver's cabin and lifting control cabinl pulpit is provided separately, comfortable working environment is the guarantee of high-efficient homework, therefore, all need to configure air-conditioner at the traveling driver's cabin of autocrane and lifting control cabinl pulpit, the air-conditioning of existing lifting control cabinl pulpit is divided into two classes, one class is hydraulic power drive-type split-type air conditioner, its shortcoming causes system pressure to fluctuate when being operation of air conditioner, affects crane work stationarity.As by air-conditioning and when rotation oil, when band will be caused to carry revolution, revolution is steady, installs simultaneously and keeps in repair complexity.Another kind of is DC powered frequency split-type air conditioner surely, this air-conditioning electric power TRT driven by the engine provides, the shortcoming of such air-conditioning is that power consumption is large, cause electric wiring loaded current large, electric wiring and centre revolving joint slip ring easily damage, moreover high frequent start and stop, and starting current is large, fragile TRT.Above two class air-conditionings are split-type air conditioner, indoor set and off-premises station connecting line are connected to transmit cold-producing medium, because autocrane often vibrates and jolts in the process of driving and hoisting operations, especially lifting control cabinl pulpit is when turning round operation, easily cause the faults such as tube connector fracture and junction get loose, cause refrigrant leakage.
On the other hand, in sea-freight industry or yacht tourism, caravan all need air-conditioning to complete the adjustment of room on ship (or in caravan) air, comfortable environment is provided to people, mostly air-conditioning above-mentioned is at present split type fixed frequency air conditioner, air-conditioning electric power TRT driven by the engine provides, the shortcoming that such air-conditioning ubiquity huge structure is complicated, starting current is large.
Summary of the invention
The object of the invention in order to solve the special purpose vehicle such as existing autocrane, air-conditioner that ship uses is large to the special purpose vehicle job insecurity driving compressor of air conditioner to bring, energy resource consumption with the power of engine or hydraulic system, and the fracture of condensation pipe of air conditioner road and the fault that gets loose often occur, are difficult to the problem that overcomes, there is provided a kind of electrically driven (operated), high-efficiency environment friendly, package AC plant, to overcome the deficiencies in the prior art.
The technical solution used in the present invention is: a kind of air-conditioner, comprises shell, the refrigeration system be made up of compressor, evaporimeter, capillary, condenser, cross valve, and electric control system, provides dc source by battery to air-conditioner; The top of described shell is provided with vaporization chamber, and the bottom of shell is provided with condensation chamber, and described evaporimeter is arranged in vaporization chamber, and described condenser and compressor are arranged in condensation chamber; Arrange evaporation fan in described vaporization chamber, arrange condensation fan in described condensation chamber, described evaporation fan is cross flow fan, and described condensation fan is external rotor axial-flow fan; Described battery connects generator, and described generator is driven by automobile engine; Above air conditioner casing front panel, have vaporization chamber air outlet, below has condensation chamber inlet scoop; After air conditioner casing, plate has condensation chamber exhaust outlet, described exhaust outlet is provided with the airduct of air draft outward; Described air-conditioner is arranged on the behind of the driver's seat of getting on the bus of crane, and the floor in air conditioner casing front panel dead ahead is bored some condensating wind auxiliary air inlet holes.
In described condensation chamber, described compressor is arranged on left side or the right side of condenser, and described condensation fan is at the front side of condenser or rear side, and described condensation fan is external rotor axial-flow fan.
Described compressor is invariable frequency compressor, described electric control system comprises input module, function control plate, power board, soft starting plate and load circuit, described soft starting plate comprises controllable silicon and silicon controlled control circuit, and described controllable silicon is electrically connected with the motor stator of compressor.
Electric panel room is provided with between described vaporization chamber and condensation chamber.
Described cover top portion is provided with vaporization chamber return air inlet.
Compared with prior art, the present invention has following beneficial effect:
1. air-conditioner of the present invention adopts electrically driven (operated) mode, powered to air-conditioner by battery, the running of compressor does not affect engine slinging work by the restriction of crane engine yet, crane hydraulic system is not disturbed, making crane stable working, is the air-conditioner of a reasonable in design, low-carbon energy-saving.
2. air-conditioner of the present invention is integral air conditioner, and compact conformation is easy for installation, than detachable air conditioner there is huge cost advantage and antileakaging advantage.
3. air-conditioner of the present invention can adopt the control mode of multiple compressor, comprise DC frequency converting air-conditioner compressor, AC inverter compressors or invariable frequency compressor, the consumption of the larger electricity that frequency-changeable compressor can avoid the start and stop of compressor interval to bring, it is made to be in continuous print operating condition, energy-conserving and environment-protective, stable conditions.And frequency-changeable compressor low-frequency start, starting current is little, requires little to generated output power, is conducive to protecting TRT.And invariable frequency compressor is after adding soft start control, its starting current is by little cumulative, can overcome and be with the defect that the invariable frequency compressor starting current of soft start is large, affect electrical network and other electrical equipment working life, meanwhile, soft start control and invariable frequency compressor air-conditioner is adopted to have the advantage that cost is low, control system is mature and stable concurrently.
Accompanying drawing explanation
Fig. 1 is air conditioner structure schematic diagram of the present invention;
Fig. 2 is the casing structure schematic diagram of air-conditioner of the present invention;
Fig. 3 is the back structures schematic diagram of the air-conditioner shown in Fig. 1;
Fig. 4 is the air-conditioner electric control principle block diagram that the present invention adopts frequency-changeable compressor;
Fig. 5 is the air-conditioner electric control principle block diagram of the invariable frequency compressor that the present invention adopts soft start to control;
Fig. 6 is the air-conditioner circuit diagram of the invariable frequency compressor that the present invention adopts soft start to control.
In accompanying drawing, each label represents:
1 vaporization chamber 2 electric panel room 3 condensation chamber
4 DC frequency-changeable compressor 5 frequency conversion drive plate 6 battery 7 power boards
8 master control borad 9 input module 10 radiator fans
11 vaporization chamber return air inlet 12 vaporization chamber air outlet 13 evaporation fans
31 condensation chamber inlet scoop 32 condensation chamber exhaust outlet 33 condensation fan 34 flanges
61 invariable frequency compressor 62 soft starting plate 63 power boards
65 battery 66 function control plate 67 input modules
Detailed description of the invention
Embodiment one
Air-conditioner of the present invention is the direct current varied-frequency air conditioner of integral type, and refrigerating capacity and the heating capacity of air-conditioner change with the change of operating frequency.Air-conditioner of the present invention provides DC supply by battery, and design work running time of battery is 5 hours, operating voltage DC24V, generator power >1000W.See Fig. 1, special purpose vehicle air-conditioner height 1031mm, wide 744mm, thick 230mm, housing is divided into three large intervals with dividing plate, is vaporization chamber 1, electric panel room 2, condensation chamber 3 respectively.In vaporization chamber, arrange evaporimeter, evaporation fan 13, what place in electric panel room is the electric components such as master control borad 8, power board 7, frequency conversion drive plate 5.What arrange in condensation chamber is compressor, condenser, condensation fan 33.Condenser and evaporimeter couple together by capillary or other restricting element, and the other end of the evaporimeter in vaporization chamber is connected with the compressor in condensation chamber by refrigeration piping.Existing indoor apparatus of air conditioner and off-premises station are combined into one by the present invention, the layout type of evaporation, lower condensation in employing, because the topology layout of refrigeration system each critical piece is compact, evaporimeter and condenser unification are fixed on air conditioner casing, the impact of vibration can be reduced, thoroughly solve current crane air-conditioner refrigeration piping easy fracture and get loose and cause the hard nut to crack of refrigrant leakage.
Air-conditioner of the present invention is arranged on the behind of the driver's seat of getting on the bus of crane, and in the place of distance lazyback 50mm, according to the position of base plate of air conditioner screw hole, floor to drill through four diameters be that air-conditioner is fixed on floor by the through hole of 10mm getting on the bus.The front of air-conditioner vaporization chamber 1 is provided with vaporization chamber return air inlet 11, and the top of air-conditioner is provided with the vaporization chamber air outlet 12 of room air of getting on the bus, and evaporation fan 13 is axial-flow fans.See Fig. 2, the region of air conditioner casing back condensation chamber is provided with condensation chamber exhaust outlet 32, discharge out of my cabin by airduct, get on the bus behind at air-conditioner and bore by wall displacement the macropore that a diameter is about 200mm, around correspondence position bores the aperture of 4 diameter 7mm, and the flange 34 of standard configuration is fixing on the wall with securing member, and one end of airduct connects condensation chamber exhaust outlet 32, the other end connects gets on the bus by the flange 34 of wall, is convenient to air-out.And condensation chamber inlet scoop 31 is located at the outer casing frontispiece of air-conditioner, be positioned at the lower zone of driver's seat.It is the through hole of 10mm that some row's diameters are bored on the floor being about 20mm apart from front panel of air-conditioner condensation air inlet dead ahead, pitch of holes is 5mm, often arrange 18-20 through hole, this through hole is condensating wind auxiliary air inlet hole, car outer air enters condensation bin and condenser heat-shift from condensation air inlet together with air in car, enough air quantity can make heat exchange amount increase, and are convenient to the lifting of equipment refrigeration (heating) ability.Because back of getting on the bus is very little by the distance between wall and driver's seat, the width design of air-conditioner can not be greater than 210mm, based on the consideration of versatility, Air conditioner design width of the present invention is 203mm, such width design is for current family expenses, commercial, special air-conditioning units, do not reach, at present, the complete machine width of Integral moveable air conditioner is all at about 400mm, the many employings of its condensation fan are centrifugal or tubular, the structure in blower fan and air channel limits the general structure of condensation chamber, the axial width of blower fan is rarely less than 100mm's, the space taken is large, add the thickness of condensing heat exchanger, even also to consider take up room (structure as mobile air conditioner) adding compressor.The present invention is in order to design a extra-thin air-conditioner, in the structure of condensation chamber, be distributed in condensation chamber about condenser and compressor, in the front of condenser or rear, extra-thin condensation fan 33 is set---external rotor axial-flow fan, the axial dimension of fan electromotor is reduced, thus the axial width of condensation chamber can be made to reduce.The structure of ultrathin external rotor axial-flow fan mainly comprises aial flow impeller and outer rotor motor, wherein the wheel hub of impeller and outer rotor are coaxially fixed as one, make the axial width of draught fan impeller overlapping with the thickness of motor, thus shorten the axial width of axial flow blower, also make slim-type air conditioner be achieved.
Condensation fan uses external rotor axial-flow fan to be design based on the space size of heat exchange blower fan, because the cost of inner rotor shaft flow fan is lower than the cost of external rotor axial-flow fan, in order to save air-conditioning cost, as the mode that another kind is implemented, air-conditioner of the present invention uses inner rotor shaft flow fan as condensation fan.Air inlet is close in inboard condenser being arranged on condensation chamber, is just being placed on condensation chamber exhaust outlet by inner rotor shaft flow fan, and the design of the fin width of condenser considers that the width (203 mm) of air-conditioner and the working space of inner rotor shaft flow fan need.
On-board air conditioner many employings direct current that current car uses electrical control pattern frequently surely, utilize the battery on automobile as providing dc source, but, invariable frequency compressor frequent start-stop, starting current are large, fragile generator, and easily cause that electric wiring loaded current is large, electric wiring and centre revolving joint slip ring easily damage.Therefore, the present invention adopts the deficiency that DC frequency-changing control model exists to solve direct current fixed frequency air conditioner.See Fig. 3, air-conditioner of the present invention adopts frequency-changeable compressor 4, is provided the operating voltage of 24V by battery 6 to master control borad 8 and DC24-DC240 power board 7, and power board 7 also provides 15V voltage to work for frequency conversion drive plate 5.Frequency conversion drive plate 5, master control borad 8 are connected with RS485 protocol with power board 7, and 24V DC boosting is 240V by booster circuit by power board 7, and provides power supply to the radiator fan 10 of system.Air-conditioner condensation fan 33, evaporation wind turbine 13 are driven by master control borad 8, input module 9 is connected with master control borad 8 communication, master control borad 8 reads Communication Control signal, on off control signal, control model signal, temperature setting and Real-time Collection signal, current and voltage signals etc., and then generates condensation fan 33(external rotor axial-flow fan), evaporation fan 13(cross flow fan) and compressor variable frequency control signal data are exported.What the present invention adopted is DC frequency-changeable compressor, therefore, frequency conversion drive plate 5 comprises: inversion control module, IPM power model, position detecting circuit.The inversion of 240V high voltage direct current is the three-phase input end of three-phase alternating current electrical connection compressor by IPM control circuit by inversion control module, and the phase current feedback of position detecting circuit detection DC frequency-changeable compressor calculates to drive IC tries to achieve current compressor rotor-position to control IPM power model.Battery is as the operating power source of air-conditioner, charged by the driving of the engine of crane, its principle is identical with the charge in batteries principle on car, drive a vehicle the process in place of working at crane from departure place, engine charges to battery 6, and accumulator capacity is 150AH, after being full of electricity, if engine stop charges, battery 6 can ensure that the air-conditioning work time is at 5 hours, can meet the needs of general job.
Air-conditioner of the present invention adopts DC Frequency Conversion Technology, and by the ability regulating the rotating speed of compressor to adjust refrigeration, vehicle interior temperature can be kept steady, and make human body sensory comfortable, and frequency changer is at low-frequency operation, efficiency is very high, reaches energy-efficient effect.
Embodiment two
Package AC plant of the present invention, its compressor can adopt AC inverter compressors, and compressor is in continuous print operating condition, by the ability regulating the rotating speed of compressor to adjust refrigeration, can avoid the electric quantity consumption that the start and stop of compressor interval bring.When adopting a.c.frequency converting control, compressor control electric circuit comprises main drive IC, IPM power model and peripheral control circuit.Main drive IC is arranged in the electric panel room of air-conditioner, and its main function has been various computings, produces SPWM waveform, realizes the control of compressor V/F curve and provide various protections etc.IPM power model and peripheral control circuit thereof, in order to complete the reversals of high voltage direct current to alternating current, control the operation of AC frequency conversion compressor with this.
Embodiment three
Package AC plant of the present invention, its compressor can adopt fixed frequency air conditioner compressor, adds soft start simultaneously and controls.See Fig. 5, the electric control system of air-conditioning is by function control plate 66, power board 63, soft starting plate 62 and the input module 67 be electrically connected with above-mentioned each control panel, evaporation fan, condensation fan, invariable frequency compressor 61 even load unit.Function control plate 66 is connected with power board 63 communication, and battery 65 provides 24V power supply to power board, and 24V direct current is converted to 220V alternating current by inversion step-up circuit by power board, exports on invariable frequency compressor 61.See Fig. 6, soft starting plate adopts controllable silicon N2 as pressure regulator, accessed and to control electric motor starting between power supply and motor stator.When using soft starting plate to start compressor, the silicon controlled angle of flow increases gradually, and output voltage increases gradually, and compressor electric motor accelerates gradually, until the full conducting of controllable silicon, machine operation is in rated voltage.When motor reaches rated speed, start-up course terminates, and soft start replaces the controllable silicon of having finished the work from employing relay K 1 conducting, provides rated voltage for compressor runs well.
Claims (5)
1. an air-conditioner, comprises shell, the refrigeration system be made up of compressor, evaporimeter, capillary, condenser, cross valve, and electric control system, is characterized in that: provide dc source by battery to air-conditioner; The top of described shell is provided with vaporization chamber, and the bottom of shell is provided with condensation chamber, and described evaporimeter is arranged in vaporization chamber, and described condenser and compressor are arranged in condensation chamber; Arrange evaporation fan in described vaporization chamber, arrange condensation fan in described condensation chamber, described evaporation fan is cross flow fan, and described condensation fan is external rotor axial-flow fan; Described battery connects generator, and described generator is driven by automobile engine; Above air conditioner casing front panel, have vaporization chamber air outlet, below has condensation chamber inlet scoop; After air conditioner casing, plate has condensation chamber exhaust outlet, described exhaust outlet is provided with the airduct of air draft outward; Described air-conditioner is arranged on the behind of the driver's seat of getting on the bus of crane, and the floor in air conditioner casing front panel dead ahead is bored some condensating wind auxiliary air inlet holes.
2. air-conditioner according to claim 1, is characterized in that: in described condensation chamber, and described compressor is arranged on left side or the right side of condenser, and described condensation fan is at the front side of condenser or rear side, and described condensation fan is external rotor axial-flow fan.
3. air-conditioner according to claim 2, it is characterized in that: described compressor is invariable frequency compressor, described electric control system comprises input module, function control plate, power board, soft starting plate and load circuit, described soft starting plate comprises controllable silicon and silicon controlled control circuit, and described controllable silicon is electrically connected with the motor stator of compressor.
4. the air-conditioner according to claim 1 or 2 or 3, is characterized in that: between described vaporization chamber and condensation chamber, be provided with electric panel room.
5. air-conditioner according to claim 4, is characterized in that: described cover top portion is provided with vaporization chamber return air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110200987.8A CN102889649B (en) | 2011-07-18 | 2011-07-18 | Air-conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110200987.8A CN102889649B (en) | 2011-07-18 | 2011-07-18 | Air-conditioner |
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| Publication Number | Publication Date |
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| CN102889649A CN102889649A (en) | 2013-01-23 |
| CN102889649B true CN102889649B (en) | 2015-05-20 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110200987.8A Active CN102889649B (en) | 2011-07-18 | 2011-07-18 | Air-conditioner |
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| KR102203686B1 (en) * | 2014-12-10 | 2021-01-15 | 한온시스템 주식회사 | Air conditioner for vehicles and controlling method of the same |
| CN104792077B (en) * | 2015-04-24 | 2020-10-30 | 合肥美的电冰箱有限公司 | Refrigeration equipment and starting control method and device for compressor of refrigeration equipment |
| CN107187456A (en) * | 2017-06-29 | 2017-09-22 | 南京双环电器股份有限公司 | EMUs are met an urgent need air conditioner |
| CN112556015B (en) * | 2019-09-10 | 2024-06-21 | 广东美的制冷设备有限公司 | Mobile air conditioner and control method thereof |
| CN112303863A (en) * | 2020-10-19 | 2021-02-02 | 青岛海信日立空调系统有限公司 | Air conditioner voltage control circuit, energy recovery method and air conditioner |
| CN113865036B (en) * | 2021-09-30 | 2023-01-31 | 佛山市顺德区美的电子科技有限公司 | Control method of portable air conditioner and control device of portable air conditioner |
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Effective date of registration: 20190125 Address after: 528303 First Floor of No.9 Building of Wusha Section of Shunfan Highway, Daliang Wusha Community Resident Committee, Shunde District, Foshan City, Guangdong Province Patentee after: Ai Ke Refrigeration Technique Co., Ltd of Foshan City Address before: 528303 No. 2, No. 5 Zhongnan Road, Biguiyuan, Shunde, Foshan City, Guangdong Province Patentee before: Wang Kangping |
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Effective date of registration: 20211214 Address after: 528303 616, floor 6, No. 2, Qiaoxi Road, Rongshan neighborhood committee, Ronggui sub district office, Shunde District, Foshan City, Guangdong Province (for office purposes only) Patentee after: Guangdong Wanhe New Energy Technology Co.,Ltd. Address before: 528303 First Floor of No.9 Building of Wusha Section of Shunfan Highway, Daliang Wusha Community Resident Committee, Shunde District, Foshan City, Guangdong Province Patentee before: FOSHAN AIKE REFRIGERATION TECHNOLOGY CO.,LTD. |