CN204895026U - High voltage DC air conditioner is put to electronic big bus roof - Google Patents
High voltage DC air conditioner is put to electronic big bus roof Download PDFInfo
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- CN204895026U CN204895026U CN201520548173.7U CN201520548173U CN204895026U CN 204895026 U CN204895026 U CN 204895026U CN 201520548173 U CN201520548173 U CN 201520548173U CN 204895026 U CN204895026 U CN 204895026U
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Abstract
The utility model discloses a high voltage DC air conditioner is put to electronic big bus roof, include: casing, compressor, four -way reversing valve, condenser, evaporimeter, expansion valve, condensation fan, evaporation fan, PTC electrothermal tube and control system, compressor, four -way reversing valve, condenser, evaporimeter, expansion valve, condensation fan, evaporation fan pass through the copper union coupling and constitute an inclosed circulation system. A high voltage DC air conditioner is put to electronic big bus roof, the wherein use of four -way reversing valve and PTC electrothermal tube, let this air conditioner have the refrigeration and heat the function, no matter can both give the passenger with comfortable environment in chilly winter or hot summer, a structure is simple, the practicality of this air conditioner is greatly improved, let its better needs that satisfy the big bus passenger, still adopt simultaneously undervoltage protection among the control system of this air conditioner and overflow self - protect function such as overload protection, the security of its use is greatly improved, thereby the better demand that has satisfied the car owner.
Description
Technical field
The present invention relates to a kind of high direct voltage field of air conditioning, specifically a kind of for the production of electric bus overhead high direct voltage air-conditioning.
Background technology
Along with socioeconomic fast development, the living standard of people and quality are also in continuous improve, and meanwhile, people also get more and more with requiring for the environment of life.But big bus is as the public vehicle, the quantity of its carrying is more, and the air circulation thus in car is poor, adds that the heat breathing generation from passenger causes the feeling oppressed very in railway carriage, and air quality difference very, thus air-conditioning is the equipment of existing bus indispensability.
But the air-conditioning on existing bus is all adopt common air-conditioning mostly, wind is transported in compartment by the vent of roof by it, and generally only possess the function of refrigeration, perfect not due to its control system, it is in the process used, usually there will be the situation that refrigeration is unbalance or do not freeze completely, the health of human body in railway carriage will be had a strong impact on like this, simultaneously, due to air-conditioning and and roof between leak tightness good not, in rainy weather, usually there will be the phenomenon of leaking, the production technology of the air-conditioning thus on existing bus needs to improve.
Summary of the invention
Goal of the invention: the object of the invention is to solve the deficiencies in the prior art, provides a kind of electric bus overhead high direct voltage air-conditioning.
Technical scheme: in order to realize above object, a kind of electric bus overhead high direct voltage air-conditioning of the present invention, comprising: housing, compressor, four-way change-over valve, condenser, evaporator, expansion valve, condensation fan, evaporation fan, PTC tubular electric heating element and control system, described housing is fixed on the roof of bus, described compressor is connected with condenser and evaporator respectively by four-way change-over valve, described expansion valve is located between the air outlet of condenser and evaporator ventilation inlet, the outside that housing is located at by described condenser forms off-premises station, the inside that housing is located in described evaporation forms indoor set, and described condensation fan and evaporation fan are connected with condenser and evaporator respectively, described compressor, four-way change-over valve, condenser, evaporator, expansion valve, condensation fan, evaporation fan connects and composes an airtight circulating system by copper pipe, described compressor four-way change-over valve, condenser, evaporator, expansion valve, condensation fan, evaporation fan is all connected with control system with PTC tubular electric heating element, described compressor, four-way change-over valve, condenser, evaporator, expansion valve, condensation fan and evaporation fan form refrigeration system, and described four-way change-over valve, condenser, evaporator, expansion valve, condensation fan, evaporation fan and PTC tubular electric heating element form heating.A kind of electric bus overhead high direct voltage air-conditioning of the present invention, the wherein use of four-way change-over valve and PTC tubular electric heating element, allow it have refrigeration system and heating simultaneously, allow this air-conditioning have refrigeration and heat-production functions simultaneously, it is no matter cold winter or the summer of sweltering heat can both to passenger with comfortable environment, its structure is simple, substantially increase the practicality of this air-conditioning, it is allowed to better meet the needs of big bus passenger, the self-protection function such as under-voltage protection and over-current and-load protection is also adopted in the control system of this air-conditioning simultaneously, substantially increase the safety that it uses, thus better met the demand of car owner.
Housing of the present invention is provided with air outlet, return air inlet and louvre, and described air outlet is made up of common air outlet and regulating air outlet mouth, described return air inlet is capable is also provided with grid, is provided with filtering net in described grid, and described PTC tubular electric heating element is located in return air inlet.
Control system of the present invention comprises functional control module, controller and guidance panel; wherein; described functional control module is made up of temperature control modules, energy supply control module, monitoring modular and alarm module; under-voltage protection and over-current and-load protection is adopted in described energy supply control module; described functional control module is all connected with controller with guidance panel, and described guidance panel is provided with auxiliary heating ON/OFF, inner blower wind speed, gear adjustment and model selection.
Housing of the present invention is installed on the opening of roof, and the angle of inclination of described housing and roof is less than or equal to 8 °, and it scribbles waterproof gasket cement and aquaseal between the two.
Four-way change-over valve of the present invention is made up of four-way air operated reversing valve, solenoid directional control valve and capillary tub, wherein, spool is had in described four-way air operated reversing valve, it is connected with solenoid directional control valve by capillary tub, and, described four-way air operated reversing valve has four mouths of pipe, be respectively the mouth of pipe 1, the mouth of pipe 2, the mouth of pipe 3 and the mouth of pipe 4, the described mouth of pipe 1 is connected with the air extractor duct of evaporator, the described mouth of pipe 2 is connected with the air suctiton inlet of compressor, the described mouth of pipe 3 is connected with the admission port of condenser, and the described mouth of pipe 4 is connected with the high-pressure exhaust of compressor.
Compressor described in the present invention adopts frequency-changeable compressor.
Beneficial effect: electric bus overhead high direct voltage air-conditioning of the present invention, has the following advantages:
1, a kind of electric bus overhead high direct voltage air-conditioning of the present invention, the wherein use of four-way change-over valve and PTC tubular electric heating element, allow it have refrigeration system and heating simultaneously, allow this air-conditioning have refrigeration and heat-production functions simultaneously, it is no matter cold winter or the summer of sweltering heat can both to passenger with comfortable environment, its structure is simple, substantially increase the practicality of this air-conditioning, it is allowed to better meet the needs of big bus passenger, the self-protection function such as under-voltage protection and over-current and-load protection is also adopted in the control system of this air-conditioning simultaneously, substantially increase the safety that it uses, thus better met the demand of car owner.
2, the control to the angle of inclination between housing and roof is passed through in the present invention; and reducing the resistance of locomotive operation; the simultaneously use of waterproof gasket cement and aquaseal between housing and roof; can prevent compartment from leaking or rainwater infiltration compartment by actv.; improve the stability that it uses; and compartment and air-conditioning self are played a very good protection, extend the life-span that it uses.
3, in the present invention, compressor adopts frequency-changeable compressor, whether it control the operation of air-conditioning by the temperature control modules in control system according to the temperature conditions of temperature in compartment, actv. have adjusted the temperature in compartment, its refrigeration is stablized, well solve because air-conditioning runs the too low problem of the temperature that causes always, also serve the effect of energy-conserving and environment-protective simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is birds-eye view of the present invention;
Fig. 3 is the structural representation of control panel of the present invention;
In figure: housing-1, compressor-2, four-way change-over valve-3, condenser-4, evaporator-5, expansion valve-6, condensation fan-7, evaporation fan-8, PTC tubular electric heating element-9, control system-10, auxiliary heating ON/OFF-11, inner blower wind speed-12, gear adjustment-13, model selection-14.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, illustrate the present invention further.
Embodiment
A kind of electric bus overhead high direct voltage air-conditioning as shown in the figure, comprise: housing 1, compressor 2, four-way change-over valve 3, condenser 4, evaporator 5, expansion valve 6, condensation fan 7, evaporation fan 8, PTC tubular electric heating element 9 and control system 10, described housing 1 is provided with air outlet, return air inlet and louvre, and described control system 10 comprises functional control module, controller and guidance panel.
The relation of above-mentioned each parts is as follows:
Described housing 1 is installed on the opening of roof, the angle of inclination of described housing 1 and roof is less than or equal to 8 °, and it scribbles waterproof gasket cement and aquaseal between the two, described compressor 2 adopts frequency-changeable compressor, it is connected with condenser 4 and evaporator 5 respectively by four-way change-over valve 3, described expansion valve 6 is located between the air outlet of condenser 4 and evaporator 5 ventilation inlet, the outside that housing 1 is located at by described condenser 4 forms off-premises station, the inside that housing 1 is located in described evaporation 5 forms indoor set, described condensation fan 7 is connected with condenser 4 and evaporator 5 respectively with evaporation fan 8, described compressor 2, four-way change-over valve 3, condenser 4, evaporator 5, expansion valve 6, condensation fan 7, evaporation fan 8 connects and composes an airtight circulating system by copper pipe, described compressor 2, four-way change-over valve 3, condenser 4, evaporator 5, expansion valve 6, condensation fan 7, evaporation fan 8 is all connected with control system 10 with PTC tubular electric heating element 9, described compressor 2, four-way change-over valve 3, condenser 4, evaporator 5, expansion valve 6, condensation fan 7 and evaporation fan 8 form refrigeration system, and described four-way change-over valve 3, condenser 4, evaporator 5, expansion valve 6, condensation fan 7, evaporation fan 8 and PTC tubular electric heating element 9 form heating.
Housing 1 described in the present embodiment is provided with air outlet, return air inlet and louvre, and described air outlet is made up of common air outlet and regulating air outlet mouth, described return air inlet is capable is also provided with grid, is provided with filtering net in described grid, and described PTC tubular electric heating element 9 is located in return air inlet.
Control system 10 described in the present embodiment comprises functional control module, controller and guidance panel; wherein; described functional control module is made up of temperature control modules, energy supply control module, monitoring modular and alarm module; under-voltage protection and over-current and-load protection is adopted in described energy supply control module; described functional control module is all connected with controller with guidance panel, and described guidance panel is provided with auxiliary heating ON/OFF 11, inner blower wind speed 12, gear adjustment 13 and model selection 14.
Four-way change-over valve 3 described in the present embodiment is made up of four-way air operated reversing valve, solenoid directional control valve and capillary tub, wherein, spool is had in described four-way air operated reversing valve, it is connected with solenoid directional control valve by capillary tub, and, described four-way air operated reversing valve has four mouths of pipe, be respectively the mouth of pipe 1, the mouth of pipe 2, the mouth of pipe 3 and the mouth of pipe 4, the described mouth of pipe 1 is connected with the air extractor duct of evaporator 5, the described mouth of pipe 2 is connected with the air suctiton inlet of compressor 2, the described mouth of pipe 3 is connected with the admission port of condenser 4, and the described mouth of pipe 4 is connected with the high-pressure exhaust of compressor 2.
A kind of electric bus overhead high direct voltage air-conditioning described in the present embodiment and method of work thereof, the specific works method of this electric bus overhead high direct voltage air-conditioning is as follows:
(1) whole air-conditioning entry into service: first first car is started by chaufeur, after engine starting, open the starting switch of air-conditioning again, is allowed;
(2): if in the summer of sweltering heat, so chaufeur is selecting refrigeration mode by the model selection (14) on guidance panel;
(3): the refrigeration system then in air-conditioning operates starting, when the temperature control modules of control system 10 detects the setting value of vehicle interior temperature higher than air-conditioning, the air of intra-locomotive is sucked from top by evaporation fan 8, is delivered in evaporator 5;
(4): after the low-temperature environment-friendly refrigerant suction heat then in evaporator 5, send it to by four-way change-over valve 3 steam being compressed into High Temperature High Pressure in compressor 2;
(5): after machine 2 to be compressed has compressed, by condenser 4, heat is discharged, be condensed into high pressure saturated liquid;
(6): after condenser 4 is condensed into high pressure saturated liquid, be delivered in expansion valve 6 and be transported in evaporator 5 after its step-down, and seethed with excitement therein;
(7): after boiling vaporization, carried out interchange of heat with the hot air in car by high pressure saturated liquid after step-down, then the air of cooled cooling is sucked into the car by centrifugal evaporation fan 8 again, thus the ventilating and cooling completed in car, vehicle interior temperature is reduced, meanwhile, humidity also reduces because of the discharge of condensed water;
(8): when winter in cold, need heating to operate, now, the operation scheme of whole air-conditioning is completely contrary with the operation scheme of refrigeration system, and meanwhile, the PTC tubular electric heating element 9 be loaded in return air inlet also will bring into operation;
(9): the high pressure refrigerant vapor that compressor 2 is discharged, flow into after four-way change-over valve 3 in evaporator 5 and (be used as condenser), now, the latent heat that high pressure refrigerant vapor is released in the process of condensation will heat the air in car;
(10): condensed liquid refrigerant, enter condenser 4 (be used as evaporator) from flowing counterflow through throttling device expansion valve 6, it will absorb external heat and evaporate, and the steam after evaporation is sucked by compressor after four-way change-over valve 3, thus completes and heat circulation;
(11): in above-mentioned heating operations, compressor does not work, heat is produced by the PTC tubular electric heating element 9 be contained in return air inlet, and evaporation fan 7 sucks the cold air of indoor, after heating, from air outlet blowout, thus the temperature in car is raised.
In the present embodiment, the main technical details of this air-conditioning is as follows:
Equipment name refrigerating capacity 6000W
Equipment refrigeration consumed power 2550W
Heating capacity (heat pump) 3000W
Auxiliary electrical heater 3000W
Power supply DC336VDC12V
Refrigerant R407C
Weight of equipment is about 100kg
Air quantity > 750m3/h
Operating ambient temperature :-25 DEG C ~ 60 DEG C (less than 0 DEG C only auxiliary electrical heater work)
Storage temperature-45 DEG C ~ 70 DEG C.
Embodiment is only not used in for illustration of the present invention and limits the scope of the invention, and after having read the present invention, the amendment of those skilled in the art to the various equivalent form of value of the present invention all falls within the application's claims limited range.
Claims (6)
1. an electric bus overhead high direct voltage air-conditioning, is characterized in that: comprising: housing (1), compressor (2), four-way change-over valve (3), condenser (4), evaporator (5), expansion valve (6), condensation fan (7), evaporation fan (8), PTC tubular electric heating element (9) and control system (10), described housing (1) is fixed on the roof of bus, described compressor (2) is connected with condenser (4) and evaporator (5) respectively by four-way change-over valve (3), described expansion valve (6) is located between the air outlet of condenser (4) and evaporator (5) ventilation inlet, the outside that housing (1) is located at by described condenser (4) forms off-premises station, the inside of housing (1) is located at by described evaporator (5), described condensation fan (7) is connected with condenser (4) and evaporator (5) respectively with evaporation fan (8), described compressor (2), four-way change-over valve (3), condenser (4), evaporator (5), expansion valve (6), condensation fan (7), evaporation fan (8) connects and composes an airtight circulating system by copper pipe, described compressor (2), four-way change-over valve (3), condenser (4), evaporator (5), expansion valve (6), condensation fan (7), evaporation fan (8) is all connected with control system (10) with PTC tubular electric heating element (9),
Described compressor (2), four-way change-over valve (3), condenser (4), evaporator (5), expansion valve (6), condensation fan (7) and evaporation fan (8) form refrigeration system, and described four-way change-over valve (3), condenser (4), evaporator (5), expansion valve (6), condensation fan (7), evaporation fan (8) and PTC tubular electric heating element (9) form heating.
2. a kind of electric bus overhead high direct voltage air-conditioning according to claim 1, it is characterized in that: described housing (1) is provided with air outlet, return air inlet and louvre, and described air outlet is made up of common air outlet and regulating air outlet mouth, described return air inlet is capable is also provided with grid, be provided with filtering net in described grid, described PTC tubular electric heating element (9) is located in return air inlet.
3. a kind of electric bus overhead high direct voltage air-conditioning according to claim 1, it is characterized in that: described control system (10) comprises functional control module, controller and guidance panel, wherein, described functional control module is by temperature control modules, energy supply control module, monitoring modular and alarm module are formed, under-voltage protection and over-current and-load protection is adopted in described energy supply control module, described functional control module is all connected with controller with guidance panel, and described guidance panel is provided with auxiliary heating ON/OFF (11), inner blower wind speed (12), gear regulates (13) and model selection (14).
4. a kind of electric bus overhead high direct voltage air-conditioning according to claim 1, it is characterized in that: described housing (1) is installed on the opening of roof, the angle of inclination of described housing (1) and roof is less than or equal to 8 °, and it scribbles waterproof gasket cement and aquaseal between the two.
5. a kind of electric bus overhead high direct voltage air-conditioning according to claim 1, it is characterized in that: described four-way change-over valve (3) is by four-way air operated reversing valve, solenoid directional control valve and capillary tub composition, wherein, spool is had in described four-way air operated reversing valve, it is connected with solenoid directional control valve by capillary tub, and, described four-way air operated reversing valve has four mouths of pipe, be respectively the mouth of pipe 1, the mouth of pipe 2, the mouth of pipe 3 and the mouth of pipe 4, the described mouth of pipe 1 is connected with the air extractor duct of evaporator (5), the described mouth of pipe 2 is connected with the air suctiton inlet of compressor (2), the described mouth of pipe 3 is connected with the admission port of condenser (4), the described mouth of pipe 4 is connected with the high-pressure exhaust of compressor (2).
6. a kind of electric bus overhead high direct voltage air-conditioning according to claim 1, is characterized in that: described compressor (2) adopts frequency-changeable compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520548173.7U CN204895026U (en) | 2015-07-27 | 2015-07-27 | High voltage DC air conditioner is put to electronic big bus roof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520548173.7U CN204895026U (en) | 2015-07-27 | 2015-07-27 | High voltage DC air conditioner is put to electronic big bus roof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204895026U true CN204895026U (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520548173.7U Expired - Fee Related CN204895026U (en) | 2015-07-27 | 2015-07-27 | High voltage DC air conditioner is put to electronic big bus roof |
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| CN (1) | CN204895026U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104986009A (en) * | 2015-07-27 | 2015-10-21 | 比赫电气（太仓）有限公司 | Overhead direct current high voltage air conditioner of electric bus |
| CN105501026A (en) * | 2016-02-01 | 2016-04-20 | 珠海格力电器股份有限公司 | Vehicle air conditioner external unit and vehicle with vehicle air conditioner external unit |
| CN116811530A (en) * | 2023-08-31 | 2023-09-29 | 扬州新杰信巴士空调配件有限公司 | Novel overhead air conditioner for new energy bus and intelligent control method thereof |
-
2015
- 2015-07-27 CN CN201520548173.7U patent/CN204895026U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104986009A (en) * | 2015-07-27 | 2015-10-21 | 比赫电气（太仓）有限公司 | Overhead direct current high voltage air conditioner of electric bus |
| 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 |
| CN105501026A (en) * | 2016-02-01 | 2016-04-20 | 珠海格力电器股份有限公司 | Vehicle air conditioner external unit and vehicle with vehicle air conditioner external unit |
| CN116811530A (en) * | 2023-08-31 | 2023-09-29 | 扬州新杰信巴士空调配件有限公司 | Novel overhead air conditioner for new energy bus and intelligent control method thereof |
| CN116811530B (en) * | 2023-08-31 | 2024-02-13 | 扬州新杰信巴士空调配件有限公司 | Novel overhead air conditioner for new energy bus and intelligent control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20160727 |