CN109849612A - A kind of free-standing heat pump air conditioning system of truck parking - Google Patents
A kind of free-standing heat pump air conditioning system of truck parking Download PDFInfo
- Publication number
- CN109849612A CN109849612A CN201811626680.2A CN201811626680A CN109849612A CN 109849612 A CN109849612 A CN 109849612A CN 201811626680 A CN201811626680 A CN 201811626680A CN 109849612 A CN109849612 A CN 109849612A
- Authority
- CN
- China
- Prior art keywords
- solenoid valve
- heat exchanger
- air conditioning
- conditioning system
- free
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention proposes a kind of free-standing heat pump air conditioning systems of truck parking, are connected to and are formed the compressor of loop, vehicle external heat exchanger, interior heat exchanger, multiple solenoid valves, at least two expansion valves and gas-liquid separator including passing sequentially through pipeline；First solenoid valve is set between compressor and vehicle external heat exchanger；5th solenoid valve is set between interior heat exchanger and gas-liquid separator；Interior heat exchanger is connected to compressor by the way that the pipeline of second solenoid valve is arranged close to one section of the 5th solenoid valve；Vehicle external heat exchanger is connect with gas-liquid separator by the way that the pipeline of the 6th solenoid valve is arranged；Connecting pipe in parallel is set between vehicle external heat exchanger and interior heat exchanger.Third solenoid valve and the first expansion valve are set in one connecting pipe, the 4th solenoid valve and the second expansion valve are set in another connecting pipe.The invention proposes a kind of air-conditioning systems independently of engine system, are driven by 24V DC power supply, can operate normally when engine is shut down to realize refrigeration or heating.
Description
Technical field
The invention belongs to lorry air-conditioning system field more particularly to a kind of free-standing heat pump air conditioning systems of truck parking.
Background technique
As a kind of transport capacity, strong, strong flexibility mode of movement, truck account for very big specific gravity in freight shipments.
With the development of economy and the accumulation of technology, truck has in terms of driving environment and significantly improves, to comfort property and
More stringent requirements are proposed for environmental performance.Lorry air-conditioning system is controlled indoor environment air themperature is driven, can not only
Meet the comfort level of occupant, moreover it is possible to reduce the sense tired out of driver's long-duration driving, for occupant have a rest provide it is good
Good environment.
However in the prior art, the air-conditioning system of truck basic configuration is usually operated by driven by engine.Due to driver
During handling goods or night's rest, engine is in shutdown status, indoor suitable to meet driving at this time
Temperature then needs idling to start engine.However when truck engine with it is idle when, there are biggish noise, influence to drive
The rest environment for the person of sailing, and fuel consumption is very big, reduces the fuel utilization ratio of truck and influences the service life of engine.This
Outside, especially in summer, truck engine is installed on under-cab, if the heat insulation of vehicle is poor, engine dissipates
In heat transfer to driver's cabin out, room temperature is caused to increase, generates " local temperature is excessively high " phenomenon, and then influence driving
Environmental amenity degree.
Summary of the invention
The purpose of the present invention is to provide a kind of free-standing heat pump air conditioning systems of truck parking, with engine system independence
Work normally can freeze or heat when truck stops, provide comfortable rest environment for driver, and reduce card
Vehicle oil consumption, it is more energy-efficient.To achieve the above object, the technical scheme adopted by the invention is as follows:
A kind of free-standing heat pump air conditioning system of truck parking is connected to including passing sequentially through pipeline and forms loop
Compressor, vehicle external heat exchanger, interior heat exchanger, multiple solenoid valves, at least two expansion valves and gas-liquid separator；
The solenoid valve includes the first solenoid valve, second solenoid valve, third solenoid valve, the 4th solenoid valve, the 5th solenoid valve
With the 6th solenoid valve；The expansion valve includes at least one first expansion valve and one second expansion valve；
Wherein, the first solenoid valve is set between the compressor and vehicle external heat exchanger；
The 5th solenoid valve is set between the car heat exchanger and gas-liquid separator；
The car heat exchanger is logical close to one section of the first solenoid valve close to one section of the 5th solenoid valve and the compressor
Cross the pipeline connection of setting second solenoid valve；
The vehicle external heat exchanger close to one section of the first solenoid valve with the gas-liquid separator close to the one of the 5th solenoid valve
The pipeline connection that section passes through the 6th solenoid valve of setting；
Two connecting pipes in parallel are set between the vehicle external heat exchanger and interior heat exchanger；One of them described connection
Third solenoid valve and the first expansion valve are set on pipeline, the 4th solenoid valve and the second expansion are set in another described connecting pipe
Valve.
Preferably, first expansion valve is close to the interior heat exchanger.
Preferably, first expansion valve and the second expansion valve are electric expansion valve.
Preferably, second electric expansion valve is close to the vehicle external heat exchanger.
Preferably, indoor fan is arranged in the side of the interior heat exchanger；The side of the vehicle external heat exchanger is arranged outdoor
Fan.
It preferably, further comprise controller and DC power supplier；The controller is for controlling the truck parking
Interior driver's cabin is freezed or heated with free-standing heat pump air conditioning system；The DC power supplier is for driving institute
State compressor operation.
Preferably, the DC power supplier is 24V DC power supply.
Preferably, the compressor is electric DC variable speed compressor.
It preferably, further comprise that the vehicle interior temperature sensor being connected with the controller in a signal way. respectively and outside temperature pass
Sensor.
It preferably, further comprise the compressor exhaust temperature sensor being connected with the controller in a signal way..
Compared with prior art, advantages of the present invention are as follows: the invention proposes a kind of air-conditionings independently of engine system
System is driven by 24V DC power supply, can be operated normally when engine is shut down to realize refrigeration or heating, be reduced noise,
And it is small to take up space, and it is easy for installation.In addition, the fuel consumption of truck can be reduced by directly being powered by DC power supply also, avoid because
Engine damage caused by idle and problem of environmental pollution.
Detailed description of the invention
Fig. 1 is the schematic diagram of the free-standing heat pump air conditioning system of truck parking of one embodiment of the invention；
Fig. 2 is the frame diagram of Fig. 1.
Wherein, 1- compressor, 2- vehicle external heat exchanger, 3- car heat exchanger, 4- gas-liquid separator, 5- outdoor fan, the room 6-
Internal fan, the first solenoid valve of 7-, 8- second solenoid valve, 9- third solenoid valve, the 4th solenoid valve of 10-, the 5th solenoid valve of 11-, 12-
6th solenoid valve, the first expansion valve of 13-, the second expansion valve of 14-, 15- vehicle interior temperature sensor, 16- outside temperature sensor,
17- compressor exhaust temperature sensor, 18- DC power supplier, 19- control panel, 20- energy supply control module, 21- compressor
Control module.
Specific embodiment
Truck parking of the invention is retouched in more detail with free-standing heat pump air conditioning system below in conjunction with schematic diagram
It states, which show the preferred embodiment of the present invention, it should be appreciated that those skilled in the art can modify described herein hair
It is bright, and still realize advantageous effects of the invention.Therefore, following description should be understood as the wide of those skilled in the art
It is general to know, and it is not intended as limitation of the present invention.
As depicted in figs. 1 and 2, the free-standing heat pump air conditioning system of a kind of truck parking, including pass sequentially through pipeline connection
And form the compressor 1, vehicle external heat exchanger 2, interior heat exchanger 3, gas-liquid separator 4, the first solenoid valve 7, second of loop
Solenoid valve 8, third solenoid valve 9, the 4th solenoid valve 10, the 5th solenoid valve 11, the 6th solenoid valve 12, the first expansion valve 13 and
Two expansion valves 14；The interior heat exchanger 3 for being installed on pusher side in truck room is micro-channel parallel flow heat exchanger, and vehicle external heat exchanger 2 is same
Sample is micro-channel parallel flow heat exchanger, is finned porous flat pipe structure, and heat transfer efficiency is high, and compact-sized, light weight has
Develop conducive to the lightness of system；Compressor 1, vehicle external heat exchanger 2, gas-liquid separator 4 are installed on pusher side outside truck room, wherein
First solenoid valve 7 is set between compressor 1 and vehicle external heat exchanger 2；Compressor 1 is used for refrigerant compression to high temperature and pressure shape
State；5th solenoid valve 11 is set between interior heat exchanger 3 and gas-liquid separator 4；Interior heat exchanger 3 is close to the 5th solenoid valve 11
One section of one section of pipeline by setting second solenoid valve 8 with compressor 1 close to the first solenoid valve 7 is connected to；Vehicle external heat exchanger 2 leans on
One section of nearly first solenoid valve 7 and gas-liquid separator 4 pass through the 6th solenoid valve 12 of setting close to one section of the 5th solenoid valve 11
Pipeline connection；Two connecting pipes in parallel are set between vehicle external heat exchanger 2 and interior heat exchanger 3；One of connecting pipe
The 4th solenoid valve 10 is arranged in another connecting pipe for upper setting third solenoid valve 9.Under cooling condition, refrigerant successively passes through
First solenoid valve 7, third solenoid valve 9 and the 5th solenoid valve 11；Under heating condition, refrigerant successively passes through second solenoid valve 8,
Four solenoid valves 10 and the 6th solenoid valve 12.
In the present embodiment, first expansion valve 13 is set on the pipeline of pusher side installation settings third solenoid valve 9 in truck room；
First expansion valve 13 is close to interior heat exchanger 3；Second electric expansion valve is set on the pipeline of 4th solenoid valve 10；Second expansion valve
14 close to vehicle external heat exchanger 2.Further, the first expansion valve 13 and the second expansion valve 14 are electric expansion valve.First expansion
Valve 13 and the second expansion valve 14 are used to refrigerant reducing pressure by regulating flow be low-temp low-pressure gas-liquid mixture.The present embodiment is swollen using electronics
For swollen valve as throttling set, the service condition that can voluntarily change system makes system keep efficient operation.In addition, electric expansion valve
With large-scale flow-adjusting characteristics, it can be combined with the frequency property of variable speed compressor 1, accomplish to be precisely controlled.Phase
Than for heating power expansion valve, electric expansion valve be applied to heat pump air conditioning system that variable speed compressor 1 drives more rationally,
It is practical, it is more quick to the control of temperature, accurate.
In the present embodiment, the side setting indoor fan 6 of interior heat exchanger 3 is installed on pusher side in truck room；Vehicle changes outside
Outdoor fan 5 is arranged in the side of hot device 2, is installed on pusher side outside truck room.
As shown in Fig. 2, further comprising controller and DC power supplier 18；Controller is for controlling truck parking with solely
Vertical heat pump air conditioning system is freezed or is heated to interior driver's cabin；DC power supplier 18 is for driving compressor 1
Operating.Further, DC power supplier 18 is 24V DC power supply.Controller includes control panel 19, energy supply control module 20
With compressor control module 21；Control panel 19 passes through pressure by 20 signal communication DC power supplier 18 of energy supply control module
21 signal communication compressor 1 of contracting machine control module.
In the present embodiment, compressor 1 is electric DC variable speed compressor 1.The direct current variable speed of the present embodiment compresses
Machine 1 can change revolving speed according to variation of ambient temperature when parking and load variations and reach corresponding refrigeration, heating capacity.Summer
Season drives room temperature height, compressor 1, which runs at high speed, at this time improves refrigerating capacity, makes the fast prompt drop of vehicle interior temperature in truck starting
Down to the warm area of human comfort；When interior load is low, compressor 1 maintains low-speed running, drives indoor temperature requirement to meet.
Electronic 1 smooth running of variable speed compressor, improves system reliability of operation；Power consumption is greatly saved, helps to realize
It is energy-efficient.Therefore, variable speed compressor 1 meets the demand of different heat exchange amounts by changing its revolving speed, compared to by sending out
Traditional truck air conditioning that motivation drives, not only temperature is stablized, it is thus also avoided that causes air-conditioning system since engine speed is unstable
The frequent variation of refrigerant flow and 1 frequent start-stop of compressor cause 1 life time decay of compressor, realize energy-efficient.
It in the present embodiment, further comprise vehicle interior temperature sensor 15, the vehicle being connect respectively with 19 signal of control panel
Outer temperature sensor 16 and compressor exhaust temperature sensor 17.Three temperature sensors real-time monitor car room inside, car room
The situation of change of temperature at 1 exhaust of outside and compressor and signal is conveyed to control panel 19, control panel 19 obtains
The operation of compressor 1, power supply, outdoor fan 5, indoor fan 6 is controlled after signal, realizes the tune to vehicle room temperature
Section.
The operation principle of the present invention is that:
When cooling in summer operating condition, the refrigeration system operation of the free-standing heat pump air conditioning system of truck parking is the first solenoid valve
(EV1) 7, third solenoid valve (EV3) 9, the 5th solenoid valve (EV5) 11 is in open state, second solenoid valve (EV2) 8, the 4th electricity
Magnet valve (EV4) 10, the 6th solenoid valve (EV6) 12 are in closed state.Control panel 19 starts truck air conditioning refrigeration system, compressor
1 runs at high speed, and the refrigerating capacity exported at this time is big, so that vehicle interior temperature reduces rapidly, reaches the temperature of human comfort.It bears in the car
When lotus is low, compressor 1 maintains slow-speed of revolution operating, and the stabilization of vehicle interior temperature is maintained with lower power.Specifically freezed
Journey are as follows: 24V DC power supply driving compressor 1 runs at high speed, and refrigerant is entered outside vehicle by pipeline through the first solenoid valve (EV1) 7
Heat exchanger 2 condenses, and heat is released to outside car room, then enters the first electric expansion valve EXV1 through third solenoid valve (EV3) 9 and saves
Stream decompression, 3 evaporation endothermic of heat exchanger absorbs the indoor heat of driving to subsequent refrigerant into the car, realizes and drives room temperature
It reduces, most returns to compressor 1 after the 5th solenoid valve (EV5) 11 isolates drop therein into gas-liquid separator 4 afterwards and carry out
Next refrigeration cycle.
When winter heating's operating condition, the heat pump system operation of the free-standing heat pump air conditioning system of truck parking, i.e. the second electromagnetism
Valve (EV2) 8, the 10, the 6th solenoid valve (EV6) 12 of the 4th solenoid valve (EV4) is in open state, the first solenoid valve (EV1) 7, third
Solenoid valve (EV3) 9, the 5th solenoid valve (EV5) 11 are in closed state.When heat pump system starts, compressor 1 runs at high speed, at this time
The heating capacity of output is big, so that vehicle interior temperature increases rapidly, reaches the temperature of human comfort.When load is low in the car, pressure
Contracting machine 1 maintains slow-speed of revolution operating, and the stabilization of vehicle interior temperature is maintained with lower power.The specific heating course of work are as follows: 24V is straight
Stream power drives compressor 1 runs at high speed, and through second solenoid valve (EV2) 8, heat exchanger 3 is cold into the car by pipeline for refrigerant
It is solidifying, and heat is released into car room, it realizes the raising for driving room temperature, then enters second through the 4th solenoid valve (EV4) 10
Electric expansion valve EXV2 reducing pressure by regulating flow, subsequent refrigerant enters vehicle external heat exchanger 2 and is evaporated to gaseous refrigerant, and absorbs in environment
Heat, most afterwards through the 6th solenoid valve (EV6) 12 into gas-liquid separator 4 isolate drop therein after return to compressor 1 into
The next heat pump cycle of row.
In the present embodiment, refrigerant can be conventional refrigerants, it is also possible to a kind of environment-friendly type mix refrigerant.Environment-friendly type is mixed
It closes refrigerant and is used for truck, meet the automotive air-conditioning system emission regulations DIRECTIVE 2006/40/EC rule of European Union's promulgation
Fixed requirement of the refrigerant GWP value less than 150 has the feature of environmental protection.
To sum up, it is used in free-standing heat pump air conditioning system in truck parking provided in an embodiment of the present invention,
1) the truck parking heat pump air conditioning system that the present invention is driven by 24V DC power supply can meet in cooling in summer and drive
Sail indoor cooling demand, in winter when refrigerant flow direction changed by the bypass of solenoid valve meet heating demands.
2) low noise in operational process, system smooth running can automatically adjust 1 revolving speed of compressor to realize the perseverance of temperature
It is fixed, power consumption is greatly saved, reduces fuel consumption and the pollution of fuel oil bring.
3) electric expansion valve makes the system more reasonable, practical, more quick to the control of temperature, accurate.
4) vehicle interior temperature sensor 15, outside temperature sensor 16 and compressor exhaust temperature sensor 17 and control panel
19 cooperate the adjusting, it can be achieved that vehicle room temperature.
5) present invention realizes cooling in summer, winter heating using two heat exchangers system, and uses efficient, compact band
The micro-channel parallel flow heat exchanger of fin porous flat pipe structure, it is thus possible to make compact-sized, reduction truck heat pump air conditioning system
The occupancy in space in lorry compartment.
The above is only a preferred embodiment of the present invention, does not play the role of any restrictions to the present invention.Belonging to any
Those skilled in the art, in the range of not departing from technical solution of the present invention, to the invention discloses technical solution and
Technology contents make the variation such as any type of equivalent replacement or modification, belong to the content without departing from technical solution of the present invention, still
Within belonging to the scope of protection of the present invention.
Claims (10)
1. a kind of free-standing heat pump air conditioning system of truck parking, which is characterized in that be connected to and formed including passing sequentially through pipeline
Compressor, vehicle external heat exchanger, interior heat exchanger, multiple solenoid valves, at least two expansion valves and the gas-liquid separator of loop；
The solenoid valve includes the first solenoid valve, second solenoid valve, third solenoid valve, the 4th solenoid valve, the 5th solenoid valve and the
Six solenoid valves；The expansion valve includes at least one first expansion valve and one second expansion valve；
Wherein, first solenoid valve is set between the compressor and vehicle external heat exchanger；
The 5th solenoid valve is set between the car heat exchanger and gas-liquid separator；
The car heat exchanger is close to one section of the 5th solenoid valve and the compressor close to the one of first solenoid valve
Section is connected to by the way that the pipeline of the second solenoid valve is arranged；
The vehicle external heat exchanger is close to one section of first solenoid valve and the gas-liquid separator close to the 5th solenoid valve
One section of pipeline connection by the way that the 6th solenoid valve is arranged；
Two connecting pipes in parallel are set between the vehicle external heat exchanger and interior heat exchanger；One of them described connecting pipe
It is upper that the third solenoid valve and the first expansion valve are set, the 4th solenoid valve and second are set in another described connecting pipe
Expansion valve.
2. the free-standing heat pump air conditioning system of truck parking according to claim 1, which is characterized in that first expansion
Valve is close to the interior heat exchanger.
3. the free-standing heat pump air conditioning system of truck parking according to claim 2, which is characterized in that first expansion
Valve and the second expansion valve are electric expansion valve.
4. the free-standing heat pump air conditioning system of truck parking according to claim 1, which is characterized in that second electronics
Expansion valve is close to the vehicle external heat exchanger.
5. the free-standing heat pump air conditioning system of truck parking according to claim 1, which is characterized in that the interior heat exchange
Indoor fan is arranged in the side of device；Outdoor fan is arranged in the side of the vehicle external heat exchanger.
6. the free-standing heat pump air conditioning system of truck parking according to claim 1, which is characterized in that further comprise control
Device and DC power supplier processed；The controller is used to control the free-standing heat pump air conditioning system of the truck parking to car
Driver's cabin is freezed or is heated；The DC power supplier is for driving the compressor operation.
7. the free-standing heat pump air conditioning system of truck parking according to claim 6, which is characterized in that the DC power supply
Module is 24V DC power supply.
8. the free-standing heat pump air conditioning system of truck parking according to claim 7, which is characterized in that the compressor is
Electric DC variable speed compressor.
9. the free-standing heat pump air conditioning system of truck parking according to claim 6, which is characterized in that further comprise point
The vehicle interior temperature sensor and outside temperature sensor not being connected with the controller in a signal way..
10. the free-standing heat pump air conditioning system of truck parking according to claim 9, which is characterized in that further comprise
The compressor exhaust temperature sensor being connected with the controller in a signal way..
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811626680.2A CN109849612A (en) | 2018-12-28 | 2018-12-28 | A kind of free-standing heat pump air conditioning system of truck parking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811626680.2A CN109849612A (en) | 2018-12-28 | 2018-12-28 | A kind of free-standing heat pump air conditioning system of truck parking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109849612A true CN109849612A (en) | 2019-06-07 |
Family
ID=66893086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811626680.2A Pending CN109849612A (en) | 2018-12-28 | 2018-12-28 | A kind of free-standing heat pump air conditioning system of truck parking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109849612A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112757867A (en) * | 2021-01-08 | 2021-05-07 | 上海理工大学 | Two heat exchanger heat pump air conditioning system for small-size electric automobile |
| RU2794477C1 (en) * | 2022-11-08 | 2023-04-19 | Федеральное государственное бюджетное учреждение "21 Научно-исследовательский испытательный институт военной автомобильной техники" Министерства обороны Российской Федерации | Exhaust gas recovery system for heating and ventilation unit |
| CN116025022A (en) * | 2022-12-27 | 2023-04-28 | 金诚信(湖北)智能装备有限公司 | Scraper |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5644929A (en) * | 1994-12-16 | 1997-07-08 | Nippondenso Co., Ltd. | Heat regenerating type cooling apparatus |
| US20080163633A1 (en) * | 2004-05-07 | 2008-07-10 | Lombardini S.R.L. A Socio Unico | Air-Conditioning System For Trucks |
| CN201844605U (en) * | 2010-11-09 | 2011-05-25 | 江苏创导空调有限公司 | Direct-current variable frequency electric air conditioning system of engineering truck |
| CN202685842U (en) * | 2012-05-31 | 2013-01-23 | 北汽福田汽车股份有限公司 | Air conditioner cooling and heating circulation system for electric vehicle |
| CN207955257U (en) * | 2018-01-29 | 2018-10-12 | 广东鼎立汽车空调有限公司 | A kind of truck Air conditioner on car of low-temperature heating |
| CN209191649U (en) * | 2018-11-29 | 2019-08-02 | 上海理工大学 | A kind of exhaust apparatus for Air conditioner on car |
-
2018
- 2018-12-28 CN CN201811626680.2A patent/CN109849612A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5644929A (en) * | 1994-12-16 | 1997-07-08 | Nippondenso Co., Ltd. | Heat regenerating type cooling apparatus |
| US20080163633A1 (en) * | 2004-05-07 | 2008-07-10 | Lombardini S.R.L. A Socio Unico | Air-Conditioning System For Trucks |
| CN201844605U (en) * | 2010-11-09 | 2011-05-25 | 江苏创导空调有限公司 | Direct-current variable frequency electric air conditioning system of engineering truck |
| CN202685842U (en) * | 2012-05-31 | 2013-01-23 | 北汽福田汽车股份有限公司 | Air conditioner cooling and heating circulation system for electric vehicle |
| CN207955257U (en) * | 2018-01-29 | 2018-10-12 | 广东鼎立汽车空调有限公司 | A kind of truck Air conditioner on car of low-temperature heating |
| CN209191649U (en) * | 2018-11-29 | 2019-08-02 | 上海理工大学 | A kind of exhaust apparatus for Air conditioner on car |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112757867A (en) * | 2021-01-08 | 2021-05-07 | 上海理工大学 | Two heat exchanger heat pump air conditioning system for small-size electric automobile |
| RU2794477C1 (en) * | 2022-11-08 | 2023-04-19 | Федеральное государственное бюджетное учреждение "21 Научно-исследовательский испытательный институт военной автомобильной техники" Министерства обороны Российской Федерации | Exhaust gas recovery system for heating and ventilation unit |
| CN116025022A (en) * | 2022-12-27 | 2023-04-28 | 金诚信(湖北)智能装备有限公司 | Scraper |
| CN116025022B (en) * | 2022-12-27 | 2023-09-26 | 金诚信(湖北)智能装备有限公司 | Scraper |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110525169B (en) | Integrated passenger cabin heat pump air conditioner and three-electric heating management system for pure electric vehicle | |
| CN208306320U (en) | A kind of air-conditioner control system | |
| CN106938601B (en) | Electric automobile heat pump air conditioning system and control method thereof | |
| CN201438053U (en) | Air-conditioning system of novel special motor coach | |
| CN101846413B (en) | Unitary air-conditioning unit of subway vehicle and control method thereof | |
| CN101936594B (en) | Frequency conversion air conditioner for new energy passenger car | |
| CN106379133A (en) | Energy storage device of heat pump type double-energy storage electric vehicle air conditioner | |
| CN109203912B (en) | Air conditioning system, control method thereof and pure electric cold-chain logistics vehicle | |
| CN102767874A (en) | Cold-storage type automobile air conditioner system | |
| CN109849612A (en) | A kind of free-standing heat pump air conditioning system of truck parking | |
| CN112477554A (en) | Battery thermal management system for electric vehicle heat pump | |
| CN113432340A (en) | Multi-heat-source heat pump type electric automobile heat management system | |
| CN109466274A (en) | A kind of heat management system for electric car | |
| CN206186730U (en) | Two energy storage air conditioner of electric automobile energy memory of heat -pump type | |
| CN109649114B (en) | New energy passenger train split type air conditioning system | |
| CN209381735U (en) | A kind of pure electric coach overhead type hot pump-type convertible frequency air-conditioner | |
| CN209920981U (en) | Ultralow-temperature electric automobile heat pump air conditioning system | |
| CN219172134U (en) | New energy automobile heat pump air conditioner defrosting system | |
| CN216048481U (en) | Multi-heat-source heat pump type electric automobile heat management system | |
| CN112092567A (en) | Electric automobile air conditioner heat pump system adopting double bypass valves and electronic expansion valve | |
| CN216011332U (en) | Water-loop heat pump type electric automobile heat management system based on phase change heat storage | |
| CN202048636U (en) | Cold accumulation type automotive air conditioning system | |
| CN109624646A (en) | A kind of thermal management system of whole and automobile | |
| CN211335506U (en) | Heat management system and vehicle air conditioner heat management device | |
| CN209381734U (en) | A kind of heat management system for electric car |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190607 |