CN112046253B - Dehumidification device, thermal management system and dehumidification method for vehicle - Google Patents
Dehumidification device, thermal management system and dehumidification method for vehicle Download PDFInfo
- Publication number
- CN112046253B CN112046253B CN202010700990.5A CN202010700990A CN112046253B CN 112046253 B CN112046253 B CN 112046253B CN 202010700990 A CN202010700990 A CN 202010700990A CN 112046253 B CN112046253 B CN 112046253B
- Authority
- CN
- China
- Prior art keywords
- air
- solenoid valve
- channel
- evaporator
- dehumidifying
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H3/00—Other air-treating devices
- B60H3/02—Moistening ; Devices influencing humidity levels, i.e. humidity control
- B60H3/024—Moistening ; Devices influencing humidity levels, i.e. humidity control for only dehumidifying the air
Abstract
The present invention relates to a dehumidifying apparatus for a vehicle, a thermal management system and a dehumidifying method thereof, the dehumidifying apparatus including: the shell comprises a fresh air inlet channel, a return air inlet channel and a mixed air channel, wherein the inlet of the fresh air inlet channel is communicated with the external environment, the inlet of the return air inlet channel is communicated with the air outlet of the passenger compartment, the outlet of the fresh air inlet channel and the outlet of the return air inlet channel are respectively connected with the inlet of the mixed air channel, and the outlet of the mixed air channel is communicated with the air inlet of the passenger compartment; the dehumidifying wire mesh is arranged in the air mixing channel and is used for dehumidifying the air entering the air mixing channel; and the fan is arranged in the air mixing channel and used for conveying the air entering the air mixing channel to the passenger compartment. By implementing the invention, the energy consumption in winter heating can be reduced while the vehicle is prevented from fogging.
Description
Technical Field
The invention relates to the field of vehicle air conditioners, in particular to a dehumidification device, a thermal management system and a dehumidification method for a vehicle.
Background
The new energy vehicle is a novel vehicle which is developed in the current society, and the energy conservation is particularly important in the new energy vehicle.
At present, glass easily hazes when new energy vehicle heats in winter, in order to prevent vehicle fogging, generally adopt extrinsic cycle air inlet among the prior art, extrinsic cycle's new trend is because humidity is less to be difficult for hazing in the vehicle.
However, since the ambient temperature is low in winter, if the external circulation air intake is adopted, more energy is needed to heat the air to the preset temperature, thereby increasing the energy consumption in winter heating.
Disclosure of Invention
The invention provides a dehumidifying apparatus for a vehicle and a dehumidifying method thereof to reduce energy consumption in heating in winter while preventing fogging of the vehicle.
A first aspect of the present invention provides a dehumidifying apparatus for a vehicle, comprising: the shell comprises a fresh air inlet channel, a return air inlet channel and a mixed air channel, wherein the inlet of the fresh air inlet channel is communicated with the external environment, the inlet of the return air inlet channel is communicated with the air outlet of the passenger compartment, the outlet of the fresh air inlet channel and the outlet of the return air inlet channel are respectively connected with the inlet of the mixed air channel, and the outlet of the mixed air channel is communicated with the air inlet of the passenger compartment; the dehumidifying wire mesh is arranged in the air mixing channel and is used for dehumidifying the air entering the air mixing channel; and the fan is arranged in the air mixing channel and used for conveying the air entering the air mixing channel to the passenger compartment.
Furthermore, the dehumidification wire mesh is clamped or fixed on the inner wall of the shell at the air mixing channel through a fastener; or the dehumidification wire mesh is clamped or welded on the surface of one side of the evaporator close to the inlet of the air mixing channel.
Further, the dehumidification silk screen includes framework and silk screen, the silk screen is fixed the inside of framework, the silk screen includes two piece at least silk threads, two piece at least silk threads parallel arrangement.
Further, the dehumidification device further comprises: the environment temperature monitoring unit is used for monitoring the temperature of the external environment; a valve assembly for opening or closing an outlet vent of the passenger compartment; and the second control unit is electrically connected with the environment temperature monitor and the valve assembly and is used for controlling the valve assembly to open the air outlet of the passenger compartment when the temperature of the external environment is less than or equal to a preset temperature threshold value and controlling the valve assembly to close the air outlet of the passenger compartment when the temperature of the external environment is greater than the preset temperature threshold value.
The invention provides a heat management system, which comprises a passenger cabin heat management circuit and any one of the dehumidification devices, wherein the passenger cabin heat management circuit comprises an evaporator, the evaporator is positioned in the air mixing channel behind the dehumidification wire mesh, and refrigerant in the passenger cabin heat management circuit does not flow through the evaporator under the refrigeration condition.
Further, the passenger cabin heat management loop also comprises a compressor, a condenser, an expansion valve and an evaporation unit, wherein the compressor, the condenser, the expansion valve and the evaporation unit are sequentially connected, and the evaporator is positioned in the evaporation unit; the evaporation unit further comprises a first electromagnetic valve and a second electromagnetic valve, the first electromagnetic valve is connected with the evaporator in series and used for conducting or stopping the passage of refrigerant flowing to the evaporator in the passenger compartment heat management loop, and the second electromagnetic valve is connected with the first electromagnetic valve and the evaporator which are connected in series in parallel; the heat management system further includes a first control unit electrically connected to the first solenoid valve and the second solenoid valve, respectively, the first control unit being configured to close the first solenoid valve to block a passage of the refrigerant flowing to the evaporator and open the second solenoid valve to guide the refrigerant, which is blocked by the first solenoid valve, from the second solenoid valve to the compressor under a heating condition.
Further, the first control unit is also used for opening the first electromagnetic valve under the heating and dehumidifying working condition so as to conduct the passage of the refrigerant flowing to the evaporator, and closing the second electromagnetic valve so as to stop the passage of the refrigerant flowing to the compressor through the second electromagnetic valve.
A third aspect of the present invention provides a dehumidification method of the dehumidification apparatus as described above, the method comprising: monitoring the temperature of the external environment by using the environment temperature monitoring unit; when the temperature of the external environment is less than or equal to a preset temperature threshold value, controlling the valve assembly to open an air outlet of the passenger compartment by using the second control unit; when the temperature of the external environment is greater than a preset temperature threshold value, controlling the valve assembly to close an air outlet of the passenger compartment by using the second control unit; and starting the fan, enabling air to enter the air mixing channel under the action of the fan, enabling the air entering the air mixing channel to flow through the dehumidification wire mesh and finally conveying the air to the passenger cabin.
A fourth aspect of the present invention provides a method of dehumidifying a thermal management system as described above, the method comprising: starting the compressor, and enabling the refrigerant in the passenger compartment heat management loop to sequentially flow through the compressor, the condenser and the expansion valve; acquiring current working condition information by using the first control unit, wherein the current working condition information comprises a heating working condition; when the current working condition information is a heating working condition, the first control unit closes the first electromagnetic valve, and the first electromagnetic valve stops the refrigerant from flowing to the passage of the evaporator; the first control unit opens the second solenoid valve, and the refrigerant cut off by the first solenoid valve flows from the second solenoid valve to the compressor; and starting the fan, allowing air to enter the air mixing channel under the action of the fan, allowing the air entering the air mixing channel to sequentially flow through the dehumidification wire mesh and the evaporator, heating and finally conveying the heated air to the passenger compartment.
Further, the current operating condition information further includes a heating and dehumidifying operating condition, and correspondingly, the method further includes: when the current working condition information is a heating and dehumidifying working condition, the first control unit opens a first electromagnetic valve, and the refrigerant flows to the evaporator through the first electromagnetic valve and flows to the compressor through the evaporator; the first control unit closes the second solenoid valve, which blocks a passage of the refrigerant flowing to the compressor through the second solenoid valve.
Due to the technical scheme, the invention has the following beneficial effects:
1) the dehumidifying device can effectively separate out water drops in the return air by utilizing the return air inlet channel to obtain the return air with higher temperature from the passenger compartment during heating in winter, thereby reducing the cold load;
2) when heating is carried out in winter, whether return air is obtained from a passenger cabin is selected according to the external environment temperature, the return air is obtained from the passenger cabin when the external environment temperature is less than or equal to a preset temperature threshold value, and fresh air is obtained from the external environment at the same time;
3) in the heating condition, the air entering the air mixing channel sequentially flows through the dehumidification screen and the evaporator and is finally conveyed to the passenger cabin after being heated, and because the refrigerant does not pass through the evaporator under the working condition, namely the evaporator does not work at the moment, the air in the air mixing channel after being dehumidified by the dehumidification screen is not cooled, namely the air inlet temperature is not reduced for the second time, so that the heat required for heating the air to the preset temperature in the follow-up process can be reduced, namely, the heat management system and the dehumidification method of the heat management system can further reduce the energy consumption in the heating process in winter while avoiding the fogging of the vehicle.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiment or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic structural diagram of a dehumidifying apparatus for a vehicle according to an embodiment of the present invention;
fig. 2 is another schematic structural diagram of a dehumidifying apparatus for a vehicle according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a passenger compartment thermal management circuit provided by an embodiment of the invention;
FIG. 4 is a schematic structural diagram of a diverter valve in a passenger compartment thermal management circuit provided by an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a gas-liquid separator in a passenger compartment thermal management circuit provided by an embodiment of the invention.
In the drawings: 1-a shell, 2-a dehumidification wire mesh, 3-a fan and 11-a fresh air inlet channel; 12-a return air inlet channel; 13-a wind mixing channel;
401-compressor, 402-condenser, 403-change valve, 404-expansion valve, 405-gas-liquid separator, 406-integrated radiator, 407-evaporator, 408-first solenoid valve, 409-and second solenoid valve;
403 a-first port, 403 b-second port, 403 c-third port, 403 d-fourth port,
405 a-a first interface, 405 b-a second interface, 405 c-a third interface, 405 d-a fourth interface.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
Example one
An embodiment of the present invention provides a dehumidifying apparatus for a vehicle, as shown in fig. 1, which includes a housing 1, a dehumidifying wire 2, and a fan 3, wherein,
the shell 1 comprises a fresh air inlet channel 11, a return air inlet channel 12 and a mixed air channel 13, wherein the inlet of the fresh air inlet channel 11 is communicated with the external environment, the inlet of the return air inlet channel 12 is communicated with the air outlet of the passenger compartment, the outlet of the fresh air inlet channel 11 and the outlet of the return air inlet channel 12 are respectively connected with the inlet of the mixed air channel 13, and the outlet of the mixed air channel 13 is communicated with the air inlet of the passenger compartment;
the dehumidifying wire mesh 2 is installed in the air mixing channel 13 and is used for dehumidifying air entering the air mixing channel 13;
the fan 3 is installed in the air mixing channel 13 and is used for conveying the air entering the air mixing channel 13 to the passenger compartment.
Through implementing the dehydrating unit in above-mentioned embodiment, can utilize return air inlet channel 12 to obtain the return air of higher temperature from the passenger cabin when winter heating, reduced cold load, simultaneously, owing to set up dehumidification silk screen 2 in mixing wind passageway 13, can effectually appear the water droplet in the return air, promptly, can reduce the energy consumption when winter heating when avoiding the vehicle to haze.
In some embodiments, the dehumidification mesh 2 includes a frame body and a mesh fixed inside the frame body, and the mesh includes at least two wires arranged in parallel.
The plane of the silk screen of the dehumidification silk screen 2 is perpendicular to the radial arrangement of the air mixing channel 13, and the plane of the silk screen of the dehumidification silk screen 2 is the windward side of the dehumidification silk screen 2 in the air mixing channel 13, so that the dehumidification silk screen 2 can be contacted with the air entering the air mixing channel 13 in the largest area, and the dehumidification is carried out with the largest efficiency.
In some embodiments, the dehumidifying screen 2 may include at least two layers of screens, and the wires of the at least two layers of screens may be arranged in a staggered manner, so that the contact area of the dehumidifying screen 2 with the air entering the air mixing channel 13 may be further increased.
For example, the dehumidifying wire mesh 2 includes a first wire mesh layer including at least two wires (e.g., wires a and B) arranged in parallel in sequence along a first direction, and a second wire mesh layer including at least two wires (e.g., wires C and D) arranged in parallel in sequence along the same direction, and the wires A, C, B, D may be arranged in a staggered manner in sequence along the first direction.
In some embodiments, as shown in fig. 2, the dehumidifying wire mesh 2 may be separately disposed in the wind mixing channel, for example, separately disposed at a position close to the fan, or separately disposed at a bend in the wind mixing channel.
Specifically, the dehumidifying wire mesh 2 may be clamped to the inner wall of the casing 1 at the air mixing channel 13, and of course, the dehumidifying wire mesh 2 may also be fixed to the inner wall of the casing 1 at the air mixing channel 13 by a fastening member.
In some embodiments, the dehumidification mesh 2 may also be clamped or welded on a side surface of the evaporator near the inlet of the air mixing channel 13.
Example two
Embodiments of the present invention further provide a dehumidification apparatus, which may further include an ambient temperature monitoring unit, a valve assembly, and a second control unit, wherein,
the second control unit is electrically connected with the environment temperature monitor and the valve assembly, and is used for controlling the valve assembly to open the air outlet of the passenger compartment when the temperature of the environment is less than or equal to a preset temperature threshold value, and controlling the valve assembly to close the air outlet of the passenger compartment when the temperature of the environment is greater than the preset temperature threshold value.
The preset temperature threshold may be confirmed according to an experiment, for example, the preset temperature threshold may be set to zero, that is, the air outlet of the passenger compartment may be opened when the temperature of the external environment is less than or equal to zero, so that the air in the passenger compartment may enter the air mixing channel 13 through the return air inlet channel 12, and the air outlet of the passenger compartment may be closed when the temperature of the external environment is greater than zero, so that the air in the passenger compartment may not enter the air mixing channel 13.
By implementing the dehumidifying apparatus having the ambient temperature monitoring unit, the valve assembly and the second control unit, in winter heating, whether return air is obtained from the passenger cabin or not can be selected according to the external environment temperature, the return air is obtained from the passenger cabin when the external environment temperature is less than or equal to a preset temperature threshold value, and fresh air is obtained from the external environment at the same time, although there are many water drops in the return air, since the humidity of the fresh air is low when the outside ambient temperature is low, the dehumidifying screen 2 located in the air mixing passage 13 can effectively remove the water drops in the return air, and at the same time, because the temperature of the fresh air from the external environment is lower, if the return air with higher temperature is used for mixing air, the temperature of the mixed air can be more effectively improved, therefore, the energy consumption during heating is reduced more effectively, namely, the dehumidifying device provided by the embodiment of the invention can effectively avoid vehicle fogging and simultaneously reduce the energy consumption during heating in winter more effectively.
EXAMPLE III
The embodiment of the invention also provides a thermal management system, which may include the dehumidification device and a passenger cabin thermal management loop as shown in fig. 3, wherein the passenger cabin thermal management loop includes a compressor 401, a condenser 402, an expansion valve 404 and an evaporation unit which are connected in sequence;
the evaporation unit may include an evaporator 407, a first electromagnetic valve 408 and a second electromagnetic valve 409, the evaporator 407 may be located in the wind mixing channel 13 after the dehumidification mesh 2, the first electromagnetic valve 408 is connected in series with the evaporator 407, the first electromagnetic valve 408 is used for switching on or off a channel of the refrigerant flowing to the evaporator 407 in the passenger compartment thermal management circuit, and the second electromagnetic valve 409 is connected in parallel with the first electromagnetic valve 408 and the evaporator 407 connected in series;
the thermal management system further includes a first control unit electrically connected to the first solenoid valve 408 and the second solenoid valve 409, respectively, and the first control unit may be configured to close the first solenoid valve 408 to block a passage of refrigerant flowing to the evaporator 407 and open the second solenoid valve 409 to guide the refrigerant blocked by the first solenoid valve 408 from the second solenoid valve 409 to the compressor 401 under a heating condition.
The first control unit may be further configured to open the first solenoid valve 408 to open a passage of the refrigerant flowing to the evaporator 407 and close the second solenoid valve 409 to close a passage of the refrigerant flowing to the compressor 401 through the second solenoid valve 409 under the heating and dehumidifying conditions.
Wherein, the compressor 401 may be configured to compress the refrigerant in the passenger compartment thermal management circuit into a high-temperature and high-pressure gas, an inlet of the condenser 402 is directly or indirectly connected to an outlet of the compressor 401, the high-temperature and high-pressure refrigerant gas is liquefied and releases heat in the condenser 402 after entering the condenser 402 to form a high-temperature and high-pressure liquid refrigerant, an inlet of the expansion valve 404 is directly or indirectly connected to an outlet of the condenser 402, the high-temperature and high-pressure liquid refrigerant becomes a low-temperature and low-pressure liquid refrigerant after being throttled by an orifice of the expansion valve 404, so as to create a condition for evaporation of the refrigerant, one end of the evaporation unit is directly or indirectly connected to an outlet of the expansion valve 404, the low-temperature and low-pressure liquid refrigerant absorbs heat in the evaporation unit after entering the evaporation unit and is converted into a higher-temperature gaseous refrigerant, and the other end of the evaporation unit is connected to the inlet of the compressor 401, the higher temperature gaseous refrigerant may be compressed again to form a high temperature and pressure gas after entering the compressor 401.
Specifically, as shown in fig. 3, the passenger compartment thermal management circuit may include a compressor 401, a condenser 402, a reversing valve 403, an expansion valve 404, a gas-liquid separator 405, an integrated radiator 406, an evaporator 407, a first solenoid valve 408, and a second solenoid valve 409, which are connected in sequence, wherein,
the reversing valve 403 may include a first port, a second port, a third port and a fourth port, and the flow direction of the refrigerant in the passenger compartment thermal management circuit may be changed by changing the communication state between different ports, so that the passenger compartment thermal management circuit may be used to implement the operation of the dehumidification device under different working conditions.
As shown in fig. 4, the direction valve 403 may be a direction valve 403 with a mechanical valve structure, and includes two valve spools, two springs, and a first port 403a, a second port 403b, a third port 403c, and a fourth port 403d, when the dehumidification device is in a heating operation mode, the refrigerant entering the direction valve 403 is a high-pressure fluid, the two valve spools respectively compress the two springs under the pressure of the high-pressure refrigerant, so that the second port 403b and the fourth port 403d are closed, a channel is formed between the first port 403a and the third port 403c, and after flowing out of the evaporator 407, the refrigerant flows into the direction valve 403 from the first port 403a, and then flows out of the third port 403c, and enters the expansion valve 404.
Of course, the direction valve 403 may be a solenoid valve or a valve assembly constituted by a solenoid valve as long as it has a plurality of ports and can realize changing of the communication state between different ports.
As shown in fig. 5, the gas-liquid separator 405 may include four ports, i.e., a first port 405a, a second port 405b, a third port 405c, and a fourth port 405d, and the gas-liquid separator 405 may be configured to separate the refrigerant entering the compressor 401 into a gas and a liquid and guide the separated gaseous refrigerant to the compressor 401, so as to protect the compressor 401.
The integrated radiator 406 may include a refrigerant passage in the passenger compartment thermal management circuit and a coolant passage in the electric machine thermal management circuit, the coolant passage and the refrigerant passage being independent of each other, and the refrigerant in the passenger compartment thermal management circuit may exchange heat with the coolant flowing through the coolant passage when flowing through the refrigerant passage.
As shown in fig. 3, the passenger compartment thermal management circuit has a specific connection structure in which an outlet of the compressor 401 is connected to an inlet of the condenser 402, an outlet of the condenser 402 is connected to a first port 403a of the direction change valve 403, a third port 403c of the direction change valve 403 is connected to an inlet of the expansion valve 404, an outlet of the expansion valve 404 is connected to a first port 405a of the gas-liquid separator 405, a second port 405b of the gas-liquid separator 405 is connected to an inlet of the refrigerant passage of the integrated radiator 406, an outlet of the refrigerant passage of the integrated radiator 406 is connected to a second port 403b of the direction change valve 403, one end of the second solenoid valve 409 and one end of the first solenoid valve 408, respectively, and the other end of the second solenoid valve 409 is connected to a fourth port 405d of the gas-liquid separator 405, the other end of the first solenoid valve 408 is connected to an inlet of the evaporator 407, an outlet of the evaporator 407 is connected to a fourth port 405d of the gas-liquid separator 405, and a third port 405c of the gas-liquid separator 405 is connected to an inlet of the compressor 401.
As shown in fig. 1, the motor thermal management loop may specifically include a water pump 501, a DCDC502, a charger 503, a motor 504, and the integrated heat sink 406, and the flow direction of the coolant in the motor thermal management loop is that the coolant flowing out of the water pump sequentially flows through the DCDC, the charger, and the motor, enters the inlet of the coolant channel of the integrated heat sink 406, and then returns to the water pump from the outlet of the coolant channel.
In practical applications, when the dehumidification device is in a heating operation, the first electromagnetic valve 408 is closed, the second electromagnetic valve 409 is opened, and at this time, the passage of the refrigerant to the evaporator 407 is blocked, and the refrigerant can only flow from the second electromagnetic valve 409 to the compressor 401, and since the refrigerant does not undergo evaporation by the evaporator 407, the refrigerant can absorb the temperature of the cooling liquid in the cooling liquid passage in the integrated radiator 406 to be converted into a gaseous refrigerant with a higher temperature in the refrigerant passage of the integrated radiator 406 before entering the second electromagnetic valve 409, and then can enter the compressor 401 as the gaseous refrigerant for compression.
By implementing the thermal management system with the passenger compartment thermal management loop, because the refrigerant does not pass through the evaporator 407 under the heating condition, namely the evaporator 407 does not work at this time, the air in the air mixing channel 13 after being dehumidified by the dehumidifying screen 2 is not cooled, namely, the inlet air temperature is not reduced for the second time, so that the heat required for subsequently heating the air to the preset temperature can be reduced, namely, the thermal management system of the embodiment of the invention can further reduce the energy consumption during heating in winter while avoiding the fogging of the vehicle.
In some embodiments, the condenser 402 may be located in the air mixing channel 13 after the evaporator 407, and is used for heating air flowing through in a heating condition or a heating and dehumidifying condition.
In some embodiments, the condenser 402 may not be disposed in the air mixing channel 13, but a PTC heater may be disposed in the air mixing channel 13 after the evaporator 407 to heat air flowing therethrough under a heating condition or a heating and dehumidifying condition.
In some embodiments, the condenser 402 may be located in the air mixing channel 13 after the evaporator 407, and at the same time, a PTC heater may be further disposed in the air mixing channel 13 after the evaporator 407 to heat the air flowing therethrough in a heating condition or a heating and dehumidifying condition.
Example four
An embodiment of the present invention further provides a dehumidification method of a dehumidification device having an ambient temperature monitoring unit, a valve assembly, and a second control unit, where the structure of the dehumidification device may refer to the structure of the dehumidification device in the foregoing embodiment, and details are not repeated here, and the dehumidification method of the dehumidification device may include:
step S210: monitoring the temperature of the external environment by using the environment temperature monitoring unit;
step S220: when the temperature of the external environment is less than or equal to a preset temperature threshold value, controlling the valve assembly to open an air outlet of the passenger compartment by using the second control unit;
step S230: when the temperature of the external environment is greater than a preset temperature threshold value, controlling the valve assembly to close an air outlet of the passenger compartment by using the second control unit;
step S240: and starting the fan 3, enabling air to enter the air mixing channel 13 under the action of the fan 3, enabling the air entering the air mixing channel 13 to flow through the dehumidification wire mesh 2 and finally being conveyed to the passenger compartment.
EXAMPLE five
The embodiment of the present invention further provides a dehumidification method for a thermal management system having the passenger cabin thermal management loop, where the structure of the thermal management system may refer to the structure of the thermal management system in the foregoing embodiment, and details are not repeated here, and the dehumidification method for the thermal management system may include:
step S110: starting the compressor 401, and sequentially flowing the refrigerant in the passenger compartment thermal management loop through the compressor 401, the condenser 402 and the expansion valve 404;
step S120: acquiring current working condition information by using the first control unit, wherein the current working condition information comprises a heating working condition;
step S130: when the current working condition information is a heating working condition, the first control unit closes the first electromagnetic valve 408, and the first electromagnetic valve 408 stops the passage through which the refrigerant flows to the evaporator 407;
step S140: the first control unit opens the second solenoid valve 409, and the refrigerant cut off by the first solenoid valve 408 flows from the second solenoid valve 409 to the compressor 401;
step S150: the fan 3 is started, air enters the air mixing channel 13 under the action of the fan 3, and the air entering the air mixing channel 13 sequentially flows through the dehumidification silk screen 2 and the evaporator 407 and is finally conveyed to the passenger compartment after being heated.
In some embodiments, the current operating condition information further includes a heating and dehumidifying operating condition, and accordingly, the method may further include:
step S131: when the current working condition information is a heating and dehumidifying working condition, the first control unit opens the first electromagnetic valve 408, and the refrigerant flows to the evaporator 407 through the first electromagnetic valve 408 and flows to the compressor 401 through the evaporator 407;
step S141: the first control unit closes the second solenoid valve 409, and the second solenoid valve 409 blocks a passage of the refrigerant flowing to the compressor 401 through the second solenoid valve 409.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. A dehumidifying device for a vehicle, characterized in that the dehumidifying device comprises:
the shell (1) comprises a fresh air inlet channel (11), a return air inlet channel (12) and a mixed air channel (13), wherein the inlet of the fresh air inlet channel (11) is communicated with the external environment, the inlet of the return air inlet channel (12) is communicated with the air outlet of the passenger compartment, the outlet of the fresh air inlet channel (11) and the outlet of the return air inlet channel (12) are respectively connected with the inlet of the mixed air channel (13), and the outlet of the mixed air channel (13) is communicated with the air inlet of the passenger compartment;
the dehumidifying wire mesh (2) is arranged in the air mixing channel (13) and is used for dehumidifying the air entering the air mixing channel (13);
the fan (3) is arranged in the air mixing channel (13) and is used for conveying the air entering the air mixing channel (13) to the passenger compartment;
the environment temperature monitoring unit is used for monitoring the temperature of the external environment;
a valve assembly for opening or closing an outlet vent of the passenger compartment;
and the second control unit is electrically connected with the environment temperature monitor and the valve assembly and is used for controlling the valve assembly to open the air outlet of the passenger compartment when the temperature of the external environment is less than or equal to a preset temperature threshold value and controlling the valve assembly to close the air outlet of the passenger compartment when the temperature of the external environment is greater than the preset temperature threshold value.
2. Dehumidifier device according to claim 1 wherein the dehumidifying screen (2) is clamped or fixed by fasteners to the inner wall of the housing (1) at the wind mixing channel (13); or the like, or, alternatively,
and the dehumidifying wire mesh (2) is clamped or welded on one side surface of the evaporator (407) close to the inlet of the air mixing channel (13).
3. Dehumidifier device according to claim 1 wherein the dehumidifying screen (2) comprises a frame and a screen fixed inside the frame, the screen comprising at least two wires arranged in parallel.
4. A thermal management system, characterized in that the thermal management system comprises a passenger cabin thermal management circuit and a dehumidification device according to any one of claims 1 to 3, the passenger cabin thermal management circuit comprising an evaporator (407), the evaporator (407) being located in the mixing channel (13) after the dehumidification wire mesh (2), refrigerant in the passenger cabin thermal management circuit not flowing through the evaporator (407) under refrigeration conditions.
5. The thermal management system of claim 4, further comprising a compressor (401), a condenser (402), an expansion valve (404), and an evaporation unit, wherein the compressor (401), the condenser (402), the expansion valve (404), and the evaporation unit are connected in sequence, and the evaporator (407) is located in the evaporation unit;
the evaporation unit further comprises a first solenoid valve (408) and a second solenoid valve (409), the first solenoid valve (408) is connected with the evaporator (407) in series, the first solenoid valve (408) is used for opening or closing the passage of refrigerant in the passenger compartment thermal management circuit to the evaporator (407), and the second solenoid valve (409) is connected with the first solenoid valve (408) and the evaporator (407) in series in parallel;
the thermal management system further comprises a first control unit electrically connected to the first solenoid valve (408) and the second solenoid valve (409), respectively, for closing the first solenoid valve (408) to block the passage of refrigerant to the evaporator (407) and opening the second solenoid valve (409) to guide the refrigerant blocked by the first solenoid valve (408) from the second solenoid valve (409) to the compressor (401) under a heating condition.
6. The thermal management system of claim 5, wherein the first control unit is further configured to open a first solenoid valve (408) to open a passage of the refrigerant to the evaporator (407) and close the second solenoid valve (409) to close a passage of the refrigerant to the compressor (401) through the second solenoid valve (409) during heating and dehumidifying operation.
7. A method of dehumidifying as claimed in claim 3, wherein the method comprises:
monitoring the temperature of the external environment by using the environment temperature monitoring unit;
when the temperature of the external environment is less than or equal to a preset temperature threshold value, controlling the valve assembly to open an air outlet of the passenger compartment by using the second control unit;
when the temperature of the external environment is greater than a preset temperature threshold value, controlling the valve assembly to close an air outlet of the passenger compartment by using the second control unit;
and starting the fan (3), enabling air to enter the air mixing channel (13) under the action of the fan (3), and enabling the air entering the air mixing channel (13) to flow through the dehumidification wire mesh (2) and finally be conveyed to the passenger compartment.
8. A method of dehumidifying a thermal management system according to claim 5, wherein the method comprises:
starting the compressor (401), wherein the refrigerant in the passenger compartment thermal management loop flows through the compressor (401), the condenser (402) and the expansion valve (404) in sequence;
acquiring current working condition information by using the first control unit, wherein the current working condition information comprises a heating working condition;
when the current working condition information is a heating working condition, the first control unit closes the first electromagnetic valve (408), and the first electromagnetic valve (408) cuts off a channel of the refrigerant flowing to the evaporator (407);
the first control unit opens the second solenoid valve (409), and the refrigerant cut off by the first solenoid valve (408) flows from the second solenoid valve (409) to the compressor (401);
the fan (3) is started, air enters the air mixing channel (13) under the action of the fan (3), and the air entering the air mixing channel (13) sequentially flows through the dehumidification wire mesh (2) and the evaporator (407) and is finally conveyed to the passenger compartment after being heated.
9. A method of dehumidifying a thermal management system according to claim 8, the method comprising:
the dehumidification method is characterized in that the current working condition information further comprises a heating dehumidification working condition, and correspondingly, the method further comprises the following steps:
when the current working condition information is a heating and dehumidifying working condition, the first control unit opens a first electromagnetic valve (408), and the refrigerant flows to the evaporator (407) through the first electromagnetic valve (408) and flows to the compressor (401) through the evaporator (407);
the first control unit closes the second solenoid valve (409), and the second solenoid valve (409) blocks a passage of the refrigerant flowing to the compressor (401) through the second solenoid valve (409).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010700990.5A CN112046253B (en) | 2020-07-20 | 2020-07-20 | Dehumidification device, thermal management system and dehumidification method for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010700990.5A CN112046253B (en) | 2020-07-20 | 2020-07-20 | Dehumidification device, thermal management system and dehumidification method for vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112046253A CN112046253A (en) | 2020-12-08 |
| CN112046253B true CN112046253B (en) | 2022-04-22 |
Family
ID=73601879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010700990.5A Active CN112046253B (en) | 2020-07-20 | 2020-07-20 | Dehumidification device, thermal management system and dehumidification method for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112046253B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112046253B (en) * | 2020-07-20 | 2022-04-22 | 浙江吉智新能源汽车科技有限公司 | Dehumidification device, thermal management system and dehumidification method for vehicle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5555732A (en) * | 1995-02-09 | 1996-09-17 | Whiticar; John | Portable dehumidifier |
| CN101443608A (en) * | 2005-07-28 | 2009-05-27 | 开利公司 | Closed-loop dehumidification loop for refrigerant system |
| WO2013026255A1 (en) * | 2011-08-25 | 2013-02-28 | Ma Jun | Vapor compression type air conditioner of refrigeration combined with desiccant wheel dehumidification |
| CN208222769U (en) * | 2018-05-30 | 2018-12-11 | 国安瑞（北京）科技有限公司 | A kind of dehumidification system and fresh air dehumidifier |
| CN210035724U (en) * | 2019-05-17 | 2020-02-07 | 武汉金牛经济发展有限公司 | Take new trend dehumidification equipment of heat exchange |
| CN112046253A (en) * | 2020-07-20 | 2020-12-08 | 浙江吉智新能源汽车科技有限公司 | Dehumidification device, thermal management system and dehumidification method for vehicle |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101241222B1 (en) * | 2011-07-21 | 2013-03-13 | 기아자동차주식회사 | Heat pump system control method for vehicle |
| GB1073776A (en) * | 1963-07-19 | 1967-06-28 | Sulzer Bros London Ltd | Air conditioning systems and units |
| CN101105347A (en) * | 2007-07-19 | 2008-01-16 | 上海交通大学 | Heating pump air conditioner capable of adjusting humidity |
| DE102012004655B4 (en) * | 2012-03-02 | 2023-08-31 | Valeo Klimasysteme Gmbh | Blower assembly for a vehicle air conditioning system, vehicle air conditioning system and method of operating a vehicle air conditioning system |
| JP6219365B2 (en) * | 2012-04-04 | 2017-10-25 | ジェンサーム インコーポレイテッドＧｅｎｔｈｅｒｍ Ｉｎｃｏｒｐｏｒａｔｅｄ | Temperature control system with thermoelectric device |
| KR102182343B1 (en) * | 2015-01-12 | 2020-11-25 | 한온시스템 주식회사 | Heat pump system for vehicle |
| US10457115B2 (en) * | 2015-08-10 | 2019-10-29 | Hanon Systems | Air conditioning system for vehicle |
| TR201512427A2 (en) * | 2015-10-07 | 2017-04-21 | Tofas Tuerk Otomobil Fabrikasi Anonim Sirketi | AIR SOLID DRYING AND HEATING SYSTEM |
| CN105329069B (en) * | 2015-11-04 | 2017-07-11 | 浙江大学 | The automobile passenger compartment conditioner and its method assessed based on air quality |
| CN105774468B (en) * | 2016-03-03 | 2017-11-24 | 浙江大学 | New-energy electric vehicle waste heat energy storing type air-conditioning system and its method based on solution dehumidification |
| CN105922843A (en) * | 2016-05-20 | 2016-09-07 | 上海交通大学 | Electric automobile fresh air exchanging air conditioner system and control method thereof |
| JP6711249B2 (en) * | 2016-11-25 | 2020-06-17 | 株式会社デンソー | Vehicle air conditioner |
| CN106476572B (en) * | 2016-12-01 | 2019-03-05 | 浙江海洋大学 | A kind of novel LNG bus temperature and humidity Independent air conditioning aeration device |
| CN208730745U (en) * | 2018-08-21 | 2019-04-12 | 上海责亚汽车设计有限公司 | A kind of car inside ambient intelligence ventilation regulator control system |
| CN110871658A (en) * | 2018-08-29 | 2020-03-10 | 郑州宇通客车股份有限公司 | Method and system for adjusting humidity in vehicle |
| CN109572358A (en) * | 2018-11-20 | 2019-04-05 | 重庆长安汽车股份有限公司 | A kind of crew module's humidity control system and method |
| CN111169250A (en) * | 2020-02-19 | 2020-05-19 | 南方英特空调有限公司 | Automobile heat pump air conditioning system capable of dehumidifying simultaneously in heating mode |
-
2020
- 2020-07-20 CN CN202010700990.5A patent/CN112046253B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5555732A (en) * | 1995-02-09 | 1996-09-17 | Whiticar; John | Portable dehumidifier |
| CN101443608A (en) * | 2005-07-28 | 2009-05-27 | 开利公司 | Closed-loop dehumidification loop for refrigerant system |
| WO2013026255A1 (en) * | 2011-08-25 | 2013-02-28 | Ma Jun | Vapor compression type air conditioner of refrigeration combined with desiccant wheel dehumidification |
| CN208222769U (en) * | 2018-05-30 | 2018-12-11 | 国安瑞（北京）科技有限公司 | A kind of dehumidification system and fresh air dehumidifier |
| CN210035724U (en) * | 2019-05-17 | 2020-02-07 | 武汉金牛经济发展有限公司 | Take new trend dehumidification equipment of heat exchange |
| CN112046253A (en) * | 2020-07-20 | 2020-12-08 | 浙江吉智新能源汽车科技有限公司 | Dehumidification device, thermal management system and dehumidification method for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112046253A (en) | 2020-12-08 |
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 | |
| CN108016232A (en) | Heat pump system for vehicle | |
| KR20180007021A (en) | Heat pump system for vehicle | |
| KR20180096359A (en) | Heat pump system for vehicle | |
| CN113212104B (en) | Thermal management system, control method thereof and vehicle | |
| CN104832989A (en) | Air conditioner and control method for air conditioner | |
| CN111497556B (en) | Carbon dioxide heat pump air conditioner whole vehicle heat management system with motor waste heat recovery function | |
| KR102318996B1 (en) | Heat pump system for vehicle | |
| CN111762000B (en) | Heat pump air conditioning system, air supply subsystem and method for controlling heat pump air conditioning system | |
| CN112428774B (en) | Fluid control element and thermal management system thereof | |
| JP6680626B2 (en) | Vehicle air conditioner | |
| CN105571221A (en) | Air conditioner system and control method of air conditioner system | |
| CN112046253B (en) | Dehumidification device, thermal management system and dehumidification method for vehicle | |
| CN105882353B (en) | Electricity-saving type car air-conditioner | |
| CN112413739A (en) | Fresh air conditioner and control method thereof | |
| CN114571953A (en) | Heat management system of automobile and automobile | |
| CN110254165A (en) | A kind of heat pump and battery liquid cooling system | |
| KR102576259B1 (en) | Air-conditioning system for electric vehicles | |
| WO2022068606A1 (en) | Thermal management system | |
| CN115476650A (en) | Economical heat pump air conditioner heat management system for new energy automobile and working method thereof | |
| KR20200061460A (en) | Air-conditioning system for electric vehicles | |
| CN104848578A (en) | Air conditioner and control method for air conditioner | |
| CN208993449U (en) | A kind of heat pump air conditioning system and automobile | |
| CN208901680U (en) | A kind of heat pump system and air conditioner for automobile | |
| JP2007261321A (en) | Vehicular air conditioner |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230821 Address after: 310051 No. 1760, Jiangling Road, Hangzhou, Zhejiang, Binjiang District Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Patentee after: Chongqing Ruilan Automobile Research Institute Co.,Ltd. Address before: No.3366 Weiwu Road, dajiangdong Industrial Cluster District, Hangzhou, Zhejiang Province Patentee before: ZHEJIANG JIZHI NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. |