CN212242882U - New energy vehicle air conditioning unit - Google Patents
New energy vehicle air conditioning unit Download PDFInfo
- Publication number
- CN212242882U CN212242882U CN202020556944.8U CN202020556944U CN212242882U CN 212242882 U CN212242882 U CN 212242882U CN 202020556944 U CN202020556944 U CN 202020556944U CN 212242882 U CN212242882 U CN 212242882U
- Authority
- CN
- China
- Prior art keywords
- battery
- condenser
- electronic expansion
- way valve
- expansion valve
- 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.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Air-Conditioning For Vehicles (AREA)
Abstract
The utility model relates to a new energy vehicle air conditioning unit, which comprises a heat pump system consisting of a compressor, a condenser, an evaporator and a throttling device, and also comprises a battery radiator, wherein the battery radiator is connected with a water pump to form a battery radiating water loop for exchanging heat with a battery; the battery radiator is arranged at the condenser and shares a condensing fan with the condenser. The utility model discloses a battery radiator sets up in condenser department, borrows the condensation fan of air conditioner, when the battery needs cold volume less, preferentially opens the condensation fan, utilizes the external air convection to cool down to the battery, has avoided frequently starting the compressor and has also improved the energy efficiency ratio of complete machine. The heat exchanged and absorbed from the battery heat dissipation plate is conveyed into the carriage through the compressor and the evaporator, so that the temperature in the carriage is increased, the preheating is completed, and a large amount of energy is saved and the waste is avoided.
Description
Technical Field
The utility model relates to a to air conditioning unit, in particular to new forms of energy vehicle air conditioning unit.
Background
The vehicle integrated air conditioning unit in the prior art mainly has the following defects:
at present, an integrated air conditioner on the market can only realize the simultaneous working of compartment refrigeration and battery liquid cooling, and cannot realize the simultaneous refrigeration of a compartment heat pump and a battery. If the PTC mode is started for heating the carriage, the power consumption of the whole vehicle is increased.
At present, the electric air conditioner in the market mostly adopts PTC to defrost and demist glass. The power consumption is great, and is not energy-conserving, and some adopt independent fuel pump to provide the heat and be used for defrosting, defogging.
When the integrated air conditioner on the market is used in spring and autumn, the battery needs to be refrigerated, but the carriage does not need to be refrigerated or heated, at the moment, the compressor needs to be started for working after the battery is cooled, the refrigerating capacity needed by the battery is less, the compressor can be frequently started, and the running time of the compressor is shorter every time. The life of the compressor will be affected by the damage caused by the long-time operation in this state.
Most of the operated electric buses are charged at night and operated on the road in the daytime. During night charging, the battery can emit more heat. In the heating scheme in the prior art, heat is directly discharged to the outside through an air conditioner, so that resource waste is caused.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing an improve resource utilization's new forms of energy vehicle air conditioning unit for solving the technical problem among the prior art.
In order to achieve the above purpose, the technical scheme of the utility model is that:
the utility model provides a new forms of energy vehicle air conditioning unit, includes the heat pump system that compressor, condenser, evaporimeter, throttling arrangement constitute, its characterized in that: the battery heat radiator is connected with a water pump to form a battery heat radiation water loop for exchanging heat with the battery;
the battery radiator is arranged at the condenser and shares a condensing fan with the condenser.
The air-cooled water circulation system comprises a compressor, a condenser, a battery heat dissipation plate exchanger, a water passage inlet, a water passage outlet, a gas passage inlet, a gas passage outlet, a.
Furthermore, a branch water pipe is connected in parallel between a water path inlet and a water path outlet of the battery radiator, a first electromagnetic valve is arranged at the water path inlet of the battery radiator, and a second electromagnetic valve is arranged on the branch water pipe.
And the water tank is connected with a water outlet of the water tank, and the battery heat dissipation water loop is connected with the water outlet of the water tank.
Furthermore, the condenser comprises a first condenser and a second condenser, one end of the first condenser is connected with the four-way valve, the other end of the first condenser is connected with the first electronic expansion valve, one end of the second condenser is connected with the four-way valve, the other end of the second condenser is connected with the inlet of the first one-way valve, and the refrigerant channels of the first condenser and the second condenser, which are positioned on one side of the one-way valve, are communicated.
Further, the evaporator comprises a first passenger room evaporator, a second passenger room evaporator and a cab evaporator, wherein one end of the first passenger room evaporator is connected with a four-way valve, the other end of the first passenger room evaporator is connected with a second electronic expansion valve, and the other end of the second electronic expansion valve is connected with outlets of the first electronic expansion valve and the first one-way valve;
one end of the second passenger room evaporator is connected with a four-way valve, the other end of the second passenger room evaporator is connected with an inlet of a second one-way valve, and an outlet of the second one-way valve is connected with the first electronic expansion valve and an outlet of the first one-way valve;
one end of the cab evaporator is connected with the four-way valve, the other end of the cab evaporator is connected with inlets of a third electronic expansion valve and a third one-way valve respectively, the other end of the third electronic expansion valve is connected with outlets of the first electronic expansion valve and the first one-way valve, and an outlet of the third one-way valve is connected with outlets of the first electronic expansion valve and the first one-way valve.
Further, the fourth electronic expansion valve is connected with the first electronic expansion valve and the outlet of the first one-way valve.
To sum up, a new forms of energy vehicle air conditioning unit, set up in condenser department through battery radiator, borrow the condensation fan of air conditioner, when the battery needs cold volume less, preferentially open the condensation fan, utilize the external air convection to cool down to the battery, avoided frequently starting the compressor and also improved the energy efficiency ratio of complete machine. The heat exchanged and absorbed from the battery heat dissipation plate is conveyed into the carriage through the compressor and the evaporator, so that the temperature in the carriage is increased, the preheating is completed, and a large amount of energy is saved and the waste is avoided.
Drawings
Fig. 1 is a refrigerant flow diagram according to a first embodiment of the present invention;
fig. 2 is a refrigerant flow diagram according to a second embodiment of the present invention;
fig. 3 is a refrigerant flow diagram according to a third embodiment of the present invention.
As shown in fig. 1 to 3, a compressor 1, a battery radiator 2, a water pump 3, a battery 4, a battery heat radiation plate exchanger 5, a first solenoid valve 6, a second solenoid valve 7, a water tank 8, a first condenser 91, a second condenser 92, a four-way valve 10, a first passenger compartment evaporator 111, a second passenger compartment evaporator 112, a cab evaporator 113, a first electronic expansion valve 121, a second electronic expansion valve 122, a third electronic expansion valve 123, a fourth electronic expansion valve 124, a first check valve 131, a second check valve 132, a third check valve 133, and a condensing fan 14.
Detailed Description
The invention will be described in further detail with reference to the following detailed description and accompanying drawings:
in order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
As shown in fig. 1, the new energy vehicle air conditioning unit comprises a heat pump system consisting of a compressor 1, a condenser, an evaporator and a throttling device. The solar water heater further comprises a battery radiator 2, wherein the battery radiator 2 is connected with a water pump 3 to form a battery radiating water loop used for exchanging heat with a battery 4. The battery radiator 2 is arranged at the condenser and shares a condensing fan with the condenser.
The air-conditioning system further comprises a battery heat-radiating plate exchanger 5, a water path inlet and a water path outlet of the battery heat-radiating plate exchanger 5 are connected in series in a battery heat-radiating water loop, a gas path inlet and a gas path outlet of the battery heat-radiating plate exchanger 5 are respectively connected with an air inlet end of the compressor 1 and a fourth electronic expansion valve 124, and the other end of the fourth electronic expansion valve 124 is connected with the condenser.
A branch water pipe is connected in parallel between the waterway inlet and the waterway outlet of the battery radiator 2, a first electromagnetic valve 6 is arranged at the waterway inlet of the battery radiator 2, and a second electromagnetic valve 7 is arranged on the branch water pipe
The solar water heater also comprises a water tank 8, and a water outlet of the water tank 8 is connected to the battery heat dissipation water loop.
The condenser comprises a first condenser 91 and a second condenser 92, one end of the first condenser 91 is connected with the four-way valve 10, the other end of the first condenser 91 is connected with the first electronic expansion valve 121, one end of the second condenser 92 is connected with the four-way valve 10, the other end of the second condenser 92 is connected with the inlet of the first one-way valve 131, and refrigerant channels of the first condenser 91 and the second condenser 92 on one side of the one-way valve are communicated.
The evaporators include a first passenger compartment evaporator 111, a second passenger compartment evaporator 112, and a cab evaporator 113.
One end of the first passenger compartment evaporator 111 is connected to the four-way valve 10, the other end is connected to the second electronic expansion valve 122, and the other end of the second electronic expansion valve 122 is connected to the outlets of the first electronic expansion valve 121 and the first check valve 131.
One end of the second passenger compartment evaporator 112 is connected to the four-way valve 10, the other end is connected to an inlet of a second check valve 132, and an outlet of the second check valve 132 is connected to outlets of the first electronic expansion valve 121 and the first check valve 131.
One end of the cab evaporator 113 is connected to the four-way valve 10, the other ends are connected to inlets of the third electronic expansion valve 123 and the third check valve 133, respectively, the other end of the third electronic expansion valve 123 is connected to outlets of the first electronic expansion valve 121 and the first check valve 131, and an outlet of the third check valve 133 is connected to outlets of the first electronic expansion valve 121 and the first check valve 131.
The fourth electronic expansion valve 124 is connected to the outlets of the first electronic expansion valve 121 and the first check valve 131.
Through the structural composition of the new energy vehicle air conditioning unit, the unit can realize a passenger room air conditioner independent operation refrigeration or heating mode, a driver room air conditioner independent operation heating or heating mode, a passenger room air conditioner and a driver room air conditioner simultaneous operation heating or heating mode and a defrosting mode.
The battery heat dissipation method is applied to a heat dissipation method for a battery when the battery is charged in winter.
When the heat productivity of the battery is low, the first electromagnetic valve 6 in the battery heat dissipation water loop is opened, the second electromagnetic valve 7 is closed, the condensing fan 14 is started to cool water in the battery heat dissipation water loop, and the battery heat dissipation water loop and the battery 4 are subjected to heat exchange to dissipate heat of the battery.
When the heat generated by the battery is high, the compressor 1 is started, and the refrigerant flows into the first passenger room evaporator 111, the second passenger room evaporator 112 and the cab evaporator 113, so that the evaporators have a condensation function, and the refrigerant is changed into liquid after cooling. Liquid refrigerant enters the fourth electronic expansion valve 124 through the second one-way valve 132 and the third one-way valve 133 for throttling, then enters the battery heat dissipation plate for heat exchange 5, the refrigerant is gasified into gas and returns to the gas-liquid separator, then returns to the compressor 1 for air intake, a refrigeration cycle is completed, the refrigerant cools water in a battery heat dissipation water loop, and the battery heat dissipation water loop and the battery 4 perform heat exchange for battery heat dissipation. At this time, the first check valve 131 is not opened, the first electronic expansion valve 121, the second electronic expansion valve 122, and the third electronic expansion valve 123 are all in a closed state, the second solenoid valve 7 is opened, and the first solenoid valve 6 is closed in the battery cooling water loop.
The utility model discloses a battery radiator sets up in condenser department, borrows the condensation fan 14 of air conditioner, when battery 4 needs cold volume less, preferentially opens condensation fan 14, utilizes the external air convection to cool down to the battery, has avoided frequently starting compressor 1 and has also improved the energy efficiency ratio of complete machine. The heat absorbed by the battery heat dissipation plate 5 is transmitted to the carriage through the compressor 1 and the evaporator, so that the temperature in the carriage is increased, the preheating is completed, and a large amount of energy is saved and the waste is avoided.
Example two
The structure of the air conditioning unit in this embodiment is the same as that in the first embodiment, and will not be described herein again.
As shown in fig. 2, the heat dissipation method of the battery of the present embodiment is applied to a heat dissipation method of a battery during charging of the battery in summer.
A battery heat dissipation method applying the new energy vehicle air conditioning unit is characterized in that a compressor 1 is started, a refrigerant flows into a first condenser 91 and a second condenser 92, the refrigerant cooled into liquid flows into a fourth electronic expansion valve 124 through a first one-way valve 131 for throttling, then enters a battery heat dissipation plate for exchanging 5, the refrigerant is gasified into gas, returns to a gas-liquid separator and then returns to the compressor 1 for air inlet, a refrigeration cycle is completed, the refrigerant cools water in a battery heat dissipation water loop, and the battery heat dissipation water loop and a battery 4 are subjected to heat exchange for battery heat dissipation. At this time, the second check valve 132 and the third check valve 133 are not in conduction, and the first electronic expansion valve 121, the second electronic expansion valve 122, and the third electronic expansion valve 123 are all in a closed state.
And judging the temperature value of the condenser, preferentially cooling the battery 4 through the battery radiator 2 when the condensation temperature is lower, opening the first electromagnetic valve 6 in the battery radiating water loop, closing the second electromagnetic valve 7, stopping the compressor 1, and opening the condensation fan 14. When the detected condensation temperature is higher, the heat dissipation of the battery radiator 2 needs to be closed, the temperature rise of water in a battery radiating water loop caused by condensed air is avoided, at the moment, the second electromagnetic valve 7 in the water path is opened, and the first electromagnetic valve 6 is closed. The compressor 1 is turned on to dissipate heat from the battery 4.
EXAMPLE III
The structure of the air conditioning unit in this embodiment is the same as that in the first embodiment, and will not be described herein again.
As shown in fig. 3, the present embodiment is a method for dissipating heat from a battery when a passenger room and a driver's cab are cooled in summer.
A battery heat dissipation method applying the new energy vehicle air conditioning unit is characterized in that a compressor 1 is started, a refrigerant flows into a first condenser 91 and a second condenser 92, the refrigerant cooled into liquid is divided into two parts through a first one-way valve 131, one part of the refrigerant flows into a first passenger room evaporator 111, a second passenger room evaporator 112 and a cab evaporator 113 after being throttled by a second electronic expansion valve 122 and a third electronic expansion valve 123, and cold air is supplied to a passenger room and the cab after heat exchange. The other part of the refrigerant flows into the battery heat dissipation plate for heat exchange 5 after being throttled by the fourth electronic expansion valve 124, so that the water in the battery heat dissipation water loop is cooled, and the battery heat dissipation water loop and the battery 4 are subjected to heat exchange for battery heat dissipation. At this time, the first check valve 131 is open, the second check valve 132 and the third check valve 133 are closed, and the first electronic expansion valve 121 is closed.
Example four
Defrosting mode specifically do:
the PTC electric heating device is integrated at the position of the cab evaporator 113, and when the vehicle is just started, the PTC electric heating device is preferentially used for defrosting and demisting quickly when the outdoor temperature is judged to be lower than a certain value. When the temperature is higher, the heat pump is used for heating to defrost and demist. Compared with PTC heating and defrosting of a fuel heater, the energy is saved.
Similar solutions can be derived from the solution given in the figures, as described above. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention are still within the scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides a new forms of energy vehicle air conditioning unit, includes the heat pump system that compressor, condenser, evaporimeter, throttling arrangement constitute, its characterized in that: the battery heat radiator is connected with a water pump to form a battery heat radiation water loop for exchanging heat with the battery;
the battery radiator is arranged at the condenser and shares a condensing fan with the condenser.
2. The new energy vehicle air conditioning unit as claimed in claim 1, wherein: still include a battery heating panel and trade, the water route entry and the export that the battery heating panel traded are concatenated in the battery cooling water loop, the air circuit entry and the export that the battery heating panel traded are connected the inlet end and the fourth electronic expansion valve of compressor respectively, the other end and the condenser of fourth electronic expansion valve are connected.
3. The new energy vehicle air conditioning unit as claimed in claim 1 or 2, wherein: the battery radiator is characterized in that a branch water pipe is connected in parallel between a water path inlet and a water path outlet of the battery radiator, a first electromagnetic valve is arranged at the water path inlet of the battery radiator, and a second electromagnetic valve is arranged on the branch water pipe.
4. The new energy vehicle air conditioning unit as claimed in claim 1, wherein: the solar water heater also comprises a water tank, and a water outlet of the water tank is connected into the battery heat dissipation water loop.
5. The new energy vehicle air conditioning unit as claimed in claim 2, wherein: the condenser comprises a first condenser and a second condenser, one end of the first condenser is connected with the four-way valve, the other end of the first condenser is connected with the first electronic expansion valve, one end of the second condenser is connected with the four-way valve, the other end of the second condenser is connected with the inlet of the first one-way valve, and the first condenser and the second condenser are communicated through a refrigerant channel positioned on one side of the one-way valve.
6. The new energy vehicle air conditioning unit as claimed in claim 5, wherein: the evaporator comprises a first passenger room evaporator, a second passenger room evaporator and a cab evaporator, wherein one end of the first passenger room evaporator is connected with a four-way valve, the other end of the first passenger room evaporator is connected with a second electronic expansion valve, and the other end of the second electronic expansion valve is connected with outlets of the first electronic expansion valve and a first one-way valve;
one end of the second passenger room evaporator is connected with a four-way valve, the other end of the second passenger room evaporator is connected with an inlet of a second one-way valve, and an outlet of the second one-way valve is connected with the first electronic expansion valve and an outlet of the first one-way valve;
one end of the cab evaporator is connected with the four-way valve, the other end of the cab evaporator is connected with inlets of a third electronic expansion valve and a third one-way valve respectively, the other end of the third electronic expansion valve is connected with outlets of the first electronic expansion valve and the first one-way valve, and an outlet of the third one-way valve is connected with outlets of the first electronic expansion valve and the first one-way valve.
7. The new energy vehicle air conditioning unit as claimed in claim 6, wherein: and the fourth electronic expansion valve is connected with the first electronic expansion valve and the outlet of the first one-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020556944.8U CN212242882U (en) | 2020-04-15 | 2020-04-15 | New energy vehicle air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020556944.8U CN212242882U (en) | 2020-04-15 | 2020-04-15 | New energy vehicle air conditioning unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212242882U true CN212242882U (en) | 2020-12-29 |
Family
ID=74003009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020556944.8U Active CN212242882U (en) | 2020-04-15 | 2020-04-15 | New energy vehicle air conditioning unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212242882U (en) |
-
2020
- 2020-04-15 CN CN202020556944.8U patent/CN212242882U/en active Active
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 | |
| CN109291763B (en) | Heat pump air conditioning system, control method thereof and automobile | |
| CN110356195A (en) | A kind of electrombile thermal management system and method | |
| CN110588280A (en) | New energy automobile thermal management system integrating three thermal management functions and waste heat recovery function | |
| CN111605379B (en) | Electric automobile heat management system based on heat pump double air-conditioning boxes and control method thereof | |
| CN110588279A (en) | Whole-vehicle thermal management system with waste heat utilization function for new energy automobile | |
| CN115675013A (en) | Multi-working-condition finished automobile thermal management system and method for new energy electric automobile | |
| CN213649277U (en) | Electric motor car thermal management system and vehicle | |
| CN109383229B (en) | Integrated thermal management system | |
| KR20220010217A (en) | Thermal management system for vehicle | |
| CN213472702U (en) | Automobile heat management system and electric automobile thereof | |
| CN113561731B (en) | Whole car thermal management system and electric motor car | |
| CN216033622U (en) | Integrated thermal management system and vehicle | |
| CN210337493U (en) | Thermal management system of electric vehicle | |
| CN209022722U (en) | Vehicle and its heat management system | |
| CN113895205B (en) | Take waste heat recovery's economic heat pump system | |
| CN212242882U (en) | New energy vehicle air conditioning unit | |
| CN115284820A (en) | Refrigerant direct-cooling and direct-heating type heat pump heat management system for electric vehicle | |
| CN112693363B (en) | Whole car thermal management system of pure electric truck | |
| CN111391616B (en) | Air conditioning system | |
| CN112297757B (en) | Electric automobile thermal management system with concentrated circulation of cooling liquid and application method thereof | |
| CN113525016A (en) | New energy vehicle air conditioning unit and battery heat dissipation method | |
| CN111890872A (en) | Automobile heat pump air conditioning system with waste heat recoverer | |
| CN110077194B (en) | Electric automobile based on heat pump technology and thermal management system thereof | |
| CN219191860U (en) | Integrated heat management system based on heat pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |