CN201819348U - Vehicle-mounted electrically-driven air conditioner - Google Patents
Vehicle-mounted electrically-driven air conditioner Download PDFInfo
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- CN201819348U CN201819348U CN2010205598150U CN201020559815U CN201819348U CN 201819348 U CN201819348 U CN 201819348U CN 2010205598150 U CN2010205598150 U CN 2010205598150U CN 201020559815 U CN201020559815 U CN 201020559815U CN 201819348 U CN201819348 U CN 201819348U
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- 238000001704 evaporation Methods 0.000 claims abstract description 25
- 230000008020 evaporation Effects 0.000 claims abstract description 25
- 238000009833 condensation Methods 0.000 claims abstract description 13
- 230000005494 condensation Effects 0.000 claims abstract description 13
- 230000005611 electricity Effects 0.000 claims description 16
- 238000004378 air conditioning Methods 0.000 claims description 11
- 238000010257 thawing Methods 0.000 claims description 9
- 238000005057 refrigeration Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 4
- 230000010354 integration Effects 0.000 abstract 2
- 239000007788 liquid Substances 0.000 description 10
- 239000003507 refrigerant Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000036757 core body temperature Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000004064 dysfunction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- Air-Conditioning For Vehicles (AREA)
Abstract
The utility model discloses a vehicle-mounted electrically-driven air conditioner which comprises a master control circuit, an inversion drive circuit, a mechanical and electrical integration electric compressor, a condensation control circuit and an evaporation control circuit; the master control circuit outputs control signals to the inversion drive circuit; and the inversion drive circuit converts direct current supply of an automobile into three-phase alternating current and supplies the three-phase alternating current to the mechanical and electrical integration electric compressor for operation. Compared with the traditional form, the novel vehicle-mounted air conditioner has compact structure, the weight of the whole air conditioner is reduced by more than 20%, and the energy efficiency ratio is improved by more than 25%; and the rotational speed of the compressor is not influenced by the running speed of a passenger car, so that the refrigeration effect is stable. For a passenger car supplied power by a direct current generator, even if the generator stops working, the air conditioner can be operated for about half an hour under the condition of being supplied power only by a pair of 150 A.h storage battery cells.
Description
Technical field
The utility model relates to a kind of passenger vehicle electricity consumption and drives air conditioner, and especially a kind of vehicle that utilizes itself has had the air conditioner that low-voltage dc power supply freezes.
Background technology
The air conditioner of bus industry outfit at present can be divided into two major types: a class is a large amount of traditional coach air conditioners that use, drive the opened compressor running by bus engine by belt transmission, be connected with two device assemblies of air-conditioning system by long refrigeration pipe.The rotating speed of compressor changes and fluctuation, the especially cold weak effect of idling Space-Time Modulation with engine speed like this, and air-conditioning can't use during engine shutdown.Another kind of is the moving aircondition of fax that adopts electronic closed compression machine, generally adopts glass fibre reinforced plastic structure, and condenser is arranged in the front, and in the middle of compressor was arranged in, evaporimeter was arranged in the rear portion and forms one roof-mounted air-condition device.Wherein evaporation fan, condensation fan and compressor all adopt alternating current, but this AC power easily produces electromagnetic interference, make controller produce the dysfunction phenomenon once in a while, and the electrical component of passenger vehicle itself is also brought interference, operation brings potential safety hazard to passenger vehicle.In addition, present existing electric motor coach air-conditioning all is arranged in electric controling part and compressor the individual region outside evaporimeter, the condenser assembly, this arrangement form since the needs of waterproof safety whole electric-control system must be sealed in the metal box.Electrical equipment all can produce heat in the control cabinet when operation, adds outside hot environment and solar radiation, is easy to lose efficacy or accelerated ageing owing to inner high temperature makes electrical equipment.
Summary of the invention
A purpose of the present utility model provides a kind of novel on-vehicle air-conditioning, and the low-voltage dc power supply that evaporation fan, condensation fan and control element directly use passenger vehicle itself to provide, compressor then use the 24V three-phase alternating-current supply.Compressor rotary speed is not influenced by bus driving speed, and refrigeration is stable.
The utility model is to realize above-mentioned purpose like this:
Vehicle-mounted electricity drives air conditioner, comprises governor circuit, inverse changing driving circuit, electromechanical electric compressor, control condensation circuit and evaporation control circuit; The corresponding output port of described governor circuit links to each other with the input of inverse changing driving circuit, and the inverse changing driving circuit output links to each other with the power input of electromechanical electric compressor; The input of evaporation control circuit links to each other with governor circuit corresponding output end mouth; The corresponding output port of this circuit of the output of control condensation circuit and master control links to each other; Described governor circuit outputs control signals to inverse changing driving circuit, and inverse changing driving circuit is converted to the running of three-phase alternating current supply electromechanical electric compressor with the dc source of automobile; Come the gaseous refrigerant of the low-temp low-pressure of flash-pot to be inhaled in the compressor, the gas that compressed machine compression forms HTHP enters condenser, the steam of HTHP is cooled into highly pressurised liquid in condenser, highly pressurised liquid enters dry storage liquid filter carry out dry filter after, enter once more and carry out the secondary cooling in the condenser, and emit a large amount of heats simultaneously and be discharged in the atmosphere by condensation fan, the highly pressurised liquid working medium of secondary cooling becomes low temperature through the expansion valve step-down, the liquid gas mixture of low pressure enters evaporimeter, cold-producing medium absorbs the heat of surrounding air and carburation by evaporation in evaporimeter, the generation effect on moisture extraction that cools, by evaporation fan cold air is sent in the passenger car again, evaporated refrigerant vapor is inhaled into compressor again, begins next kind of refrigeration cycle.
Vehicle-mounted electricity drives air conditioner and also is provided with the defrosting sensor, and the output of described defrosting sensor links to each other with the respective input mouth of governor circuit; The defrosting sensor is transferred to governor circuit with temperature information, and governor circuit is controlled the machine work of contracting of dynamo-electric integrated voltage according to this temperature information.
Vehicle-mounted electricity drives air conditioner and is provided with return air sensor, and the output of described return air sensor links to each other with the respective input mouth of governor circuit; Return air sensor is transferred to governor circuit with temperature information, and governor circuit is controlled the machine work of contracting of dynamo-electric integrated voltage according to this temperature information.
Vehicle-mounted electricity drives air conditioner and also is provided with pressure-head switch, and its corresponding controling end with the electromechanical electric compressor links to each other.
Vehicle-mounted electricity drives air conditioner and also is provided with the external stand-by power supply that can power by AC power.
Vehicle-mounted electricity drives air conditioner and also is provided with the air conditioning mode starting switch, and input links to each other with power supply, and its two output links to each other respectively at governor circuit and inverse changing driving circuit.
Wherein, described evaporation control circuit comprises evaporation fan and alignment circuit, evaporation fan by change-over switch with link to each other with the corresponding output of governor circuit again after alignment circuit is connected.
The beneficial effects of the utility model are: because the low-voltage dc power supply that evaporation fan, condensation fan and control element directly use passenger vehicle itself to provide, compressor then uses the 24V three-phase alternating-current supply.Compare with traditional form, complete machine alleviates and reaches more than 20%, and Energy Efficiency Ratio improves more than 25%.And compressor rotary speed is not influenced by bus driving speed, and refrigeration is stable.For the passenger vehicle that power supply is provided by dc generator, even generator work out of service by a pair of 150A.h accumulator jar power supply, also can make operation of air conditioner about half an hour merely.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified:
Fig. 1 is a circuit block diagram of the present utility model;
Fig. 2 is circuit theory diagrams of the present utility model.
The specific embodiment
With reference to Fig. 1 and Fig. 2, vehicle-mounted electricity drives air conditioner, comprises governor circuit, inverse changing driving circuit, electromechanical electric compressor, control condensation circuit and evaporation control circuit; The corresponding output port of described governor circuit links to each other with the input of inverse changing driving circuit, and the inverse changing driving circuit output links to each other with the power input of electromechanical electric compressor; The input of evaporation control circuit links to each other with governor circuit corresponding output end mouth; The corresponding output port of this circuit of the output of control condensation circuit and master control links to each other; Described governor circuit outputs control signals to inverse changing driving circuit, and inverse changing driving circuit is converted to the running of three-phase alternating current supply electromechanical electric compressor with the dc source of automobile; Come the gaseous refrigerant of the low-temp low-pressure of flash-pot to be inhaled in the compressor, the gas that compressed machine compression forms HTHP enters condenser, the steam of HTHP is cooled into highly pressurised liquid in condenser, highly pressurised liquid enters dry storage liquid filter carry out dry filter after, enter once more and carry out the secondary cooling in the condenser, and emit a large amount of heats simultaneously and be discharged in the atmosphere by condensation fan, the highly pressurised liquid working medium of secondary cooling becomes low temperature through the expansion valve step-down, the liquid gas mixture of low pressure enters evaporimeter, cold-producing medium absorbs the heat of surrounding air and carburation by evaporation in evaporimeter, the generation effect on moisture extraction that cools, by evaporation fan cold air is sent in the passenger car again, evaporated refrigerant vapor is inhaled into compressor again, begins next kind of refrigeration cycle.This novel on-vehicle air conditioner structure compactness is compared with traditional form, and complete machine alleviates and reaches more than 20%, and Energy Efficiency Ratio improves more than 25%.And compressor rotary speed is not influenced by bus driving speed, and refrigeration is stable.For the passenger vehicle that power supply is provided by dc generator, even generator work out of service by a pair of 150A.h accumulator jar power supply, also can make operation of air conditioner about half an hour merely.
This On-vehicle air conditioner also is provided with the defrosting sensor, the respective input mouth of the output of described defrosting sensor and governor circuit; The defrosting sensor is transferred to governor circuit with temperature information, and governor circuit is controlled the machine work of contracting of dynamo-electric integrated voltage according to this temperature information.When the evaporator core temperature is lower than 1 when spending, the signal of defrosting sensor sends the signal that stops to freeze to the electromechanical electric compressor after governor circuit is handled, and prevents air conditioner because frost produces damages.After device core body temperature to be evaporated was increased to 2 degree, governor circuit sent signal again and recovers refrigeration work.
This On-vehicle air conditioner also is provided with return air sensor, the respective input mouth of the output of described return air sensor and governor circuit; Return air sensor is transferred to governor circuit with temperature information, and governor circuit is controlled the machine work of contracting of dynamo-electric integrated voltage according to this temperature information, realizes that railway carriage temperature ideal is comfortable.
This On-vehicle air conditioner also is provided with pressure-head switch, and its corresponding controling end with the electromechanical electric compressor links to each other.In the process of refrigerastion; when preventing to the refrigerant pressure anomaly; damage electric compressor; at the refrigerant pipeline pressure-head switch is housed; if during pressure anomaly, the pressure-head switch action is given main control circuit through fault-signal of change-over circuit output; main control circuit can be closed refrigeration control output immediately, stops refrigeration.
At some in particular cases, during as parking and Vehicular battery electric weight deficiency, this on-board air conditioner also is provided with external stand-by power supply, can power to on-board air conditioner by AC power.
Described evaporation control circuit comprises evaporation fan and alignment circuit, alignment circuit is made up of the speed adjusting resistance of two-stage series connection, speed adjusting resistance is provided with the centre cap terminal, realize the adjustment of output resistance by two single-pole double-throw switch (SPDT)s, the resistance value that evaporation fan is connected by two single-pole double throw change-over switch relays realizations is so that change the rotating speed of evaporation fan as required.
In addition, work normally under different powering modes in order to make air-conditioning, be provided with the air conditioning mode starting switch at power input, input links to each other with power supply, and its two output links to each other respectively at governor circuit and inverse changing driving circuit.When the air-conditioning work mode switch was in the driving pattern, the launched machine of generator drove and charges to storage battery.Open main control circuit, start-up system, required cryogenic temperature and wind speed are set, refrigeration begins out work.After if engine is out of service, the air-conditioning work mode switch is chosen as car-parking model, air-conditioning is through storage battery power supply can continuation operation.Substantially be not less than 30 minute by storage battery capacity and the decision of quality brand running time.
Two identical refrigeration of cover and control systems about this On-vehicle air conditioner is provided with, therefore corresponding governor circuit is provided with left and right sides control circuit board, mainly form by a plurality of relay switch, be respectively applied for control evaporation fan, condensation fan and electromechanical motor compressor etc., the coil-end of relay links to each other with the corresponding output end mouth of governor circuit, and the switch terminals of relay links to each other respectively at above-mentioned controlled plant.
Claims (7)
1. vehicle-mounted electricity drives air conditioner, it is characterized in that: comprise governor circuit, inverse changing driving circuit, electromechanical electric compressor, control condensation circuit and evaporation control circuit; The corresponding output port of described governor circuit links to each other with the input of inverse changing driving circuit, and the inverse changing driving circuit output links to each other with the power input of electromechanical electric compressor; The input of evaporation control circuit links to each other with governor circuit corresponding output end mouth; The corresponding output port of this circuit of the output of control condensation circuit and master control links to each other.
2. vehicle-mounted electricity according to claim 1 drives air conditioner, and it is characterized in that: also be provided with the defrosting sensor, the output of described defrosting sensor links to each other with the respective input mouth of governor circuit.
3. vehicle-mounted electricity according to claim 1 drives air conditioner, and it is characterized in that: be provided with return air sensor, the output of described return air sensor links to each other with the respective input mouth of governor circuit.
4. vehicle-mounted electricity according to claim 1 drives air conditioner, and it is characterized in that: also be provided with pressure-head switch, its corresponding controling end with the electromechanical electric compressor links to each other.
5. vehicle-mounted electricity according to claim 1 drives air conditioner, it is characterized in that: also be provided with the external stand-by power supply that can power by AC power.
6. vehicle-mounted electricity according to claim 1 drives air conditioner, and it is characterized in that: described evaporation control circuit comprises evaporation fan and alignment circuit, evaporation fan by change-over switch with link to each other with the corresponding output of governor circuit again after alignment circuit is connected.
7. vehicle-mounted electricity according to claim 1 drives air conditioner, and it is characterized in that: also be provided with the air conditioning mode starting switch, input links to each other with power supply, and its two output links to each other respectively at governor circuit and inverse changing driving circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205598150U CN201819348U (en) | 2010-10-13 | 2010-10-13 | Vehicle-mounted electrically-driven air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205598150U CN201819348U (en) | 2010-10-13 | 2010-10-13 | Vehicle-mounted electrically-driven air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201819348U true CN201819348U (en) | 2011-05-04 |
Family
ID=43917299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205598150U Expired - Lifetime CN201819348U (en) | 2010-10-13 | 2010-10-13 | Vehicle-mounted electrically-driven air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201819348U (en) |
-
2010
- 2010-10-13 CN CN2010205598150U patent/CN201819348U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GUANGDONG SHUNDE TAICHANG BUS AIR CONDITIONER CO., Free format text: FORMER OWNER: SU HUIXING Effective date: 20121127 Free format text: FORMER OWNER: SU SHUNXING Effective date: 20121127 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121127 Address after: 528300 No. 20 Xiang Shun Road, Daliang Industrial Zone, Shunde District, Guangdong, Foshan, Fengxiang Patentee after: Guangdong Shunde Taichang Bus Air Conditioner Manufacture Co., Ltd. Address before: 528300 No. 20 Xiang Shun Road, Daliang Industrial Zone, Shunde District, Guangdong, Foshan, Fengxiang Patentee before: Su Huixing Patentee before: Su Shunxing |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110504 |
|
| CX01 | Expiry of patent term |