NL2028587B1 - Vehicle cabin climate control system - Google Patents
Vehicle cabin climate control system Download PDFInfo
- Publication number
- NL2028587B1 NL2028587B1 NL2028587A NL2028587A NL2028587B1 NL 2028587 B1 NL2028587 B1 NL 2028587B1 NL 2028587 A NL2028587 A NL 2028587A NL 2028587 A NL2028587 A NL 2028587A NL 2028587 B1 NL2028587 B1 NL 2028587B1
- Authority
- NL
- Netherlands
- Prior art keywords
- air
- heat exchanger
- inlet
- vehicle cabin
- climate control
- Prior art date
Links
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
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
- B60H1/03—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant and from a source other than the propulsion plant
- B60H1/039—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant and from a source other than the propulsion plant from air leaving the interior of the vehicle, i.e. heat recovery
-
- 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
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00007—Combined heating, ventilating, or cooling devices
- B60H1/00021—Air flow details of HVAC devices
- B60H2001/00078—Assembling, manufacturing or layout details
- B60H2001/00085—Assembling, manufacturing or layout details of air intake
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention pertains to a vehicle cabin climate control system, comprising: - an air inlet system, - an air treatment device, comprising an air cooler and an air heater - a primary cabin air inlet, - a peripheral heat exchanger, - a heat exchanger bypass which is arranged to allow at least a portion of an inlet air flow to bypass the peripheral heat exchanger, - an air pretreatment valve system having a first operational mode and a second operational mode, wherein in the first operational mode the air pretreatment valve system is set to direct at least a portion of the inlet air flow to the first side passage of the peripheral heat exchanger, and wherein in the second operational mode the air pretreatment valve system is set to direct at least a portion of the inlet air flow to the heat exchanger bypass.
Description
P34960NLOO/NBL Vehicle cabin climate control system The invention pertains to a vehicle cabin climate control system.
In particular in electric vehicles, the vehicle cabin climate control system consumes a considerable amount of energy.
Several solutions have been proposed to reduce the amount of energy needed for vehicle cabin climate control. For example, DE102015115196 discloses a system which comprises a peripheral heat exchanger. In this peripheral heat exchanger, air that is introduced into the vehicle cabin climate control system from outside the vehicle flows through one side of the peripheral heat exchanger and air that is expelled from the vehicle cabin flows through the other side of the peripheral heat exchanger. This way, heat exchange takes place between the incoming air and the outgoing air, therewith pre-heating or pre- cooling the incoming air is obtained, depending on whether the temperature in the vehicle cabin of the vehicle in which the vehicle cabin climate control system is arranged is above or below the temperature of the outside air. This way, the heating or cooling that has to be done by the vehicle cabin climate control system is reduced, and therewith, the energy consumption is reduced.
However, the effect of this system on the total energy consumption of the vehicle cabin climate control system is limited.
The invention aims to provide an energy efficient vehicle cabin climate control system.
This object is obtained by a vehicle cabin climate control system which comprises: - an air inlet system comprising an air inlet, which air inlet system is adapted to allow outside air to enter the vehicle climate cabin control system and to generate an inlet air flow into the vehicle cabin climate control system, which inlet air flow is generated from outside air entering the vehicle cabin climate control system via the air inlet, - an air treatment device, comprising: - an air cooler comprising an air cooler inlet for receiving an air flow, which air cooler is adapted to generate a cooled air flow from the air flow that is received through the air cooler inlet, the air cooler being arranged downstream of the air inlet, - an air heater comprising an air heater inlet for receiving an air flow, which air heater is adapted to generate a heated air flow from the air flow that is received through the air heater inlet, the air heater being arranged downstream of the air cooler,
2. - a primary cabin air inlet, which is arranged to receive an air flow and to introduce at least a part of that airflow into a vehicle cabin, wherein the vehicle cabin climate control system further comprises: - a peripheral heat exchanger, which peripheral heat exchanger has a first side passage and a second side passage, wherein the first side passage and the second side passage are arranged to allow heat transfer between an air flow within the first side passage and an air flow within the second side passage, wherein the first side passage is arranged downstream of the air inlet and upstream of the air treatment device, and - a heat exchanger bypass which is arranged to allow at least a portion of the inlet air flow to bypass the peripheral heat exchanger, - an air pretreatment valve system which is arranged downstream of the air inlet and upstream of the first side passage of the peripheral heat exchanger, wherein the air pretreatment valve system has a first operational mode and a second operational mode, wherein the second operational mode is different from the first operational mode, wherein in the first operational mode the air pretreatment valve system is set to direct at least a portion of the inlet air flow to the first side passage of the peripheral heat exchanger, and wherein in the second operational mode the air pretreatment valve system is set to direct at least a portion of the inlet air flow to the heat exchanger bypass, wherein if in the first operational mode also a portion of the inlet air flow is directed to the heat exchanger bypass, then the portion of the inlet air flow that is directed to the first side passage of the peripheral heat exchanger is larger than the portion of the inlet air flow that is directed to the heat exchanger bypass, and wherein if in the second operational mode also a portion of the inlet air flow is directed to the first side passage of the peripheral heat exchanger, then the portion of the inlet air flow that is directed to the heat exchanger bypass is larger than the portion of the inlet air flow that is directed to the first side passage of the peripheral heat exchanger.
The vehicle cabin climate control system according to the invention comprises an air inlet system. The air inlet system comprises an air inlet. The air inlet system is adapted to allow outside air to enter the vehicle climate cabin control system and to generate an inlet air flow into the vehicle cabin climate control system. The inlet air flow is generated from outside air entering the vehicle cabin climate control system via the air inlet.
-3- Optionally, the air inlet system further comprises a flow device, to actively generate the air flow and/or to provide a required flow rate for the inlet air flow. The flow device is or comprises for example a fan.
The vehicle cabin climate control system according to the invention comprises an air treatment device which comprises an air cooler and an air heater. The air heater is arranged downstream of the air cooler, downstream being related to the direction of the air flow through the air treatment device. So, the air flows through the air cooler before at least a part of the air flows through the air heater.
The air cooler of the air treatment device comprises an air cooler inlet for receiving an air flow. This air flow for example is comprised of at least a part of the inlet air flow, the entire inlet air flow, a combination of a part of the inlet air flow with recirculated air from the vehicle cabin or the entire inlet air flow in combination with recirculated air from the vehicle cabin.
The air cooler is arranged downstream of the air inlet, downstream being related to the direction of the air flow through the vehicle cabin climate control system.
The air cooler is adapted to generate a cooled air flow from the air flow that is received through the air cooler inlet. The air cooler for example is or comprises an evaporator.
The air treatment device of the vehicle cabin climate control system according to the invention further comprises an air heater which is arranged downstream of the air cooler, downstream being related to the direction of the air flow through the air treatment device. So, the air flows through the air cooler before the air flows through the air heater.
The air heater of the air treatment device comprises an air heater inlet which is arranged to receive an air flow.
The air heater of the air treatment device is adapted to generate a heated air flow from the air flow that is received through the air heater inlet.
The vehicle cabin climate control system according to the invention further comprises a primary cabin air inlet, which is arranged to receive an air flow and introduce at least a part of that received airflow into the vehicle cabin.
Optionally, the air flow that is received by the primary cabin air inlet comprises at least a part of the heated air flow that is generated by the air heater of the air treatment device, an optionally all of the heated airflow that is generated by the air heater of the air treatment device. Optionally, the air flow that is received by the primary cabin air inlet comprises at least a part of the heated air flow that is generated by the air heater of the air treatment device in combination with an air flow coming from a different source, e.g. at least a part of the inlet air flow and/or recirculated air from the vehicle cabin. Optionally, the air flow that is received by
-4- the primary cabin air inlet comprises an air flow coming from a different source than the heated air flow that is generated by the air heater of the air treatment device, e.g. at least a part of the inlet air flow and/or recirculated air from the vehicle cabin.
The vehicle cabin climate control system according to the invention further comprises a peripheral heat exchanger. The peripheral heat exchanger has a first side passage and a second side passage. The first side passage and the second side passage are arranged to allow heat transfer between an air flow within the first side passage and an air flow within the second side passage. The first side passage is arranged downstream of the air inlet and upstream of the air treatment device. “Downstream” and “upstream” are related to the direction of the air flow through the vehicle cabin climate control system. Optionally, the peripheral heat exchanger is or comprises an enthalpy exchanger.
In addition, the vehicle cabin climate control system according to the invention further comprises a heat exchanger bypass which is arranged to allow at least a portion of the inlet air flow to bypass the peripheral heat exchanger.
So, air enters the vehicle cabin climate control system via the air inlet, and flows to the air treatment device, via the first side passage of the peripheral heat exchanger or via the heat exchanger bypass. Optionally, a further flow path is additionally present.
The vehicle cabin climate control system according to the invention further comprises an air pretreatment valve system which is arranged downstream of the air inlet and upstream of the first side passage of the peripheral heat exchanger and optionally also of the heat exchanger bypass. “Downstream” and “upstream” are related to the direction of the air flow through the vehicle cabin climate control system.
The air pretreatment valve system determines where the inlet air flow or the portion thereof that arrives at the air pretreatment valve system goes to next: does it go the first side passage of the peripheral heat exchanger, to the heat exchanger bypass, to a further flow path, or is it split into a first portion that goes to the first side passage of the peripheral heat exchanger and a second portion that goes to the heat exchanger bypass and optionally a third portion that goes to an additional flow path (if such an additional flow path is present) ? The air pretreatment valve system has a first operational mode and a second operational mode. The second operational mode is different from the first operational mode.
In the first operational mode the air pretreatment valve system is set to direct at least a portion of the inlet air flow to the first side passage of the peripheral heat exchanger. Optionally, in the first operational mode, the entire inlet air flow (or the portion thereof that arrives at the air pretreatment valve system) is directed to the first side passage of the
-5- peripheral heat exchanger. Alternatively, in the first operational mode, a first portion of the inlet air flow is directed to the first side passage of the peripheral heat exchanger and a second portion of the inlet air flow is directed to the heat exchanger bypass. In that case, the first portion of the inlet air flow is larger than the second portion.
So, if in the first operational mode also a portion of the inlet air flow is directed to the heat exchanger bypass, then the portion of the inlet air flow that is directed to the first side passage of the peripheral heat exchanger is larger than the portion of the inlet air flow that is directed to the heat exchanger bypass.
As a further alternative, in the first operational mode, a first portion of the inlet air flow is directed to the first side passage of the peripheral heat exchanger and a third portion of the inlet air flow is directed to a further flow path.
In the second operational mode the air pretreatment valve system is set to direct at least a portion of the inlet air flow to the heat exchanger bypass. The second operational mode is different from the first operational mode, so the valve setting of the air pretreatment valve system is different in the first operational mode than in the second operational mode.
In the second operational mode the air pretreatment valve system is set to direct at least a portion of the inlet air flow to the heat exchanger bypass. Optionally, in the second operational mode, the entire inlet air flow (or the portion thereof that arrives at the air pretreatment valve system) is directed to the heat exchanger bypass. Alternatively, in the second operational mode, a first portion of the inlet air flow is directed to the first side passage of the peripheral heat exchanger and a second portion of the inlet air flow is directed to the heat exchanger bypass. In that case, the first portion of the inlet air flow is smaller than the second portion.
So, if in the second operational mode also a portion of the inlet air flow is directed to the first side passage of the peripheral heat exchanger, then the portion of the inlet air flow that is directed to the heat exchanger bypass is larger than the portion of the inlet air flow that is directed to the first side passage of the peripheral heat exchanger.
As a further alternative, in the second operational mode, a second portion of the inlet air flow is directed to the heat exchanger bypass and a third portion of the inlet air flow is directed to a further flow path.
Optionally, in the first operational mode, at least 50% of the entire inlet air flow (or of the portion thereof that arrives at the air pretreatment valve system) is directed to the first side passage of the peripheral heat exchanger.
-6- Alternatively or in addition, optionally, in the second operational mode, at least 50% of the entire inlet air flow (or of the portion thereof that arrives at the air pretreatment valve system) is directed to the heat exchanger bypass.
The invention allows to pretreat air before the inlet air flow or a portion thereof before the inlet air flow reaches the air treatment device, and at the same time allows not to pretreat the inlet air flow or a part thereof, if that is more advantageous under the circumstances. This allows to optimize the energy consumption of the vehicle cabin climate control system.
Pretreatment could involve preheating or precooling the inlet airflow, and precooling also offers the option for dehumidification of the inlet air flow, as cooler air is able to hold less humidity than warmer air does.
Depending on the configuration of the vehicle cabin climate control system according to the invention, the second side passage of the peripheral heat exchanger can be connected to another part of the vehicle in which the vehicle cabin climate control system is arranged, including another part of the vehicle cabin climate control system itself. This way, otherwise wasted heat and/or waste cold can be used for pretreatment of the inlet air flow. This increases the overall energy efficiency of the vehicle as a whole.
In an embodiment of the vehicle cabin climate control system according to the invention, in the first operational mode the air pretreatment valve system is set to block the flow of the inlet air flow to the heat exchanger bypass.
Alternatively or in addition, in the second operational mode the air pretreatment valve system is set to block the flow of the inlet air flow to the first side passage of the peripheral heat exchanger.
Optionally, in this embodiment, in the first operational mode, the entire inlet air flow (or the portion thereof that arrives at the air pretreatment valve system) is directed to the first side passage of the peripheral heat exchanger. Alternatively, in the first operational mode, a first portion of the inlet air flow is directed to the first side passage of the peripheral heat exchanger and the remainder of the inlet air flow (or the portion thereof that arrives at the air pretreatment valve system) is directed to a further flow path or to further flow paths, the further flow path or further flow paths not being and/or including the heat exchanger bypass.
Optionally, in this embodiment, in the second operational mode, the entire inlet air flow (or the portion thereof that arrives at the air pretreatment valve system) is directed to the heat exchanger bypass. Alternatively, in the second operational mode, a second portion of the inlet air flow is directed to the heat exchanger bypass and the remainder of the inlet air flow {or the portion thereof that arrives at the air pretreatment valve system) is directed to a further flow
-7- path or to further flow paths, the further flow path or further flow paths not being and/or including the first side passage of the peripheral heat exchanger. This embodiment allows a simple control of the air pretreatment valve system, and also allows to use a simple valve in the air pretreatment valve system.
In an embodiment of the vehicle cabin climate control system according to the invention, the vehicle cabin climate control system further comprises an outside sensor system which comprises an outside climate parameter sensor which is arranged on the outside of the vehicle. The outside sensor system is adapted to generate climate parameter measurement data. Optionally, the outside sensor system comprises a plurality of sensors, e.g. climate parameter sensors and/or other sensors, wherein different sensors of the plurality of sensors measure different parameters and/or wherein different sensors of the plurality of sensors measure parameters at different locations. In this embodiment, the air pretreatment valve system comprises an air pretreatment valve system controller which is adapted to control the setting of the operational mode of the air pretreatment valve system at least partly based on the climate parameter measurement data as generated by the outside sensor system. In an embodiment of the vehicle cabin climate control system according to the invention, the vehicle cabin climate control system further comprises a first sensor system which comprises a first climate parameter sensor which is arranged in the air inlet system. The first sensor system is adapted to generate climate parameter measurement data. For example, the first climate parameter sensor is arranged in the air inlet system upstream of the air pretreatment valve system, so that it is able to generate climate parameter measurement data relating to the inlet air flow as it enters the vehicle cabin climate control system. Optionally, the first sensor system comprises a plurality of sensors, e.g. climate parameter sensors and/or other sensors, wherein different sensors of the plurality of sensors measure different parameters and/or wherein different sensors of the plurality of sensors measure parameters at different locations. Alternatively or in addition, the first climate parameter sensor is arranged in the air inlet system downstream of the air pretreatment valve system and upstream of the air treatment device, so that it is able to generate climate parameter measurement data relating to the inlet air flow before it enters the air treatment device. “Downstream” and “upstream” are related to the direction of the air flow through the vehicle cabin climate control system. Optionally, the first sensor system comprises a plurality of sensors, e.g. climate parameter sensors and/or other sensors, wherein different sensors of the plurality of sensors measure different parameters and/or wherein different sensors of the plurality of sensors measure parameters at different locations.
-8- In this embodiment, the air pretreatment valve system comprises an air pretreatment valve system controller which is adapted to control the setting of the operational mode of the air pretreatment valve system at least partly based on the climate parameter measurement data as generated by the first sensor system.
In an embodiment of the vehicle cabin climate control system according to the invention, the vehicle cabin climate control system further comprises a cabin sensor system which comprises an cabin climate parameter sensor which is arranged in the cabin of the vehicle in which the vehicle cabin climate control system is arranged. The cabin sensor system is adapted to generate vehicle cabin parameter measurement data. Optionally, the cabin sensor system comprises a plurality of sensors, e.g. climate parameter sensors and/or other sensors, wherein different sensors of the plurality of sensors measure different parameters and/or wherein different sensors of the plurality of sensors measure parameters at different locations.
In this embodiment, the air pretreatment valve system comprises an air pretreatment valve system controller which is adapted to control the setting of the operational mode of the air pretreatment valve system at least partly based on the climate parameter measurement data as generated by the cabin sensor system.
In an embodiment of the vehicle cabin climate control system according to the invention, the vehicle cabin climate control system comprises a first air transfer duct which is in fluid communication with the first side passage of the peripheral heat exchanger. The first air transfer duct is arranged downstream of the first side passage of the peripheral heat exchanger and upstream of the air treatment device. The first air transfer duct comprises a radiator passage which is adapted to pass at least a part of the air flow through the first air transfer duct over or through a radiator of a vehicle. “Downstream” and “upstream” are related to the direction of the air flow through the vehicle cabin climate control system.
This way, for example air that is cooled or heated by the peripheral heat exchanger can be used for cooling or heating another air flow or liquid flow which also passes through the radiator. This way, the overall energy efficiency of the vehicle in which the vehicle cabin climate control system is arranged can be improved.
Optionally, in this embodiment, the heat exchanger bypass comprises a second air transfer duct which has a first end that is connected to and/or in fluid communication with the air pretreatment valve system and a second, opposite end which is connected to the first air transfer duct at a location upstream of the radiator passage. In this case, also the portion of the inlet air flow that has passed through the heat exchanger bypass, or the full inlet airflow if the inlet airflow flows in its entirety through the heat exchanger bypass, can be used for
-9.- cooling or heating another air flow or liquid flow which also passes through the radiator. This way, the overall energy efficiency of the vehicle in which the vehicle cabin climate control system is arranged can be improved. The second air transfer duct may be connected to or be at least partly or fully formed by the heat exchanger bypass.
In an embodiment of the vehicle cabin climate control system according to the invention, the vehicle cabin climate control system comprises a third air transfer duct which has a first end that is connected to and/or in fluid communication with the air pretreatment valve system and a second, opposite end which is arranged at a location upstream of the air treatment device.
If this embodiment is combined with the embodiment having the radiator passage, this allows to bypass the radiator passage if desired.
In an embodiment of the vehicle cabin climate control system according to the invention, the vehicle cabin climate control system comprises a first air transfer duct which is in fluid communication with the first side passage of the peripheral heat exchanger. The first air transfer duct is arranged downstream of the first side passage of the peripheral heat exchanger and upstream of the air treatment device. The first air transfer duct comprises a radiator passage which is adapted to pass at least a part of the air flow through the first air transfer duct over or through a radiator of a vehicle. “Downstream” and “upstream” are related to the direction of the air flow through the vehicle cabin climate control system.
This way, for example air that is cooled or heated by the peripheral heat exchanger can be used for cooling or heating another air flow or liquid flow which also passes through the radiator. This way, the overall energy efficiency of the vehicle in which the vehicle cabin climate control system is arranged can be improved.
In this embodiment, the vehicle cabin climate control system further comprises a third air transfer duct which has a first end that is connected to and/or in fluid communication with the air pretreatment valve system and a second, opposite end which is arranged at a location upstream of the air treatment device. This allows to bypass the radiator passage if desired.
Furthermore, in this embodiment, the heat exchanger bypass comprises a second air transfer duct which has a first end that is connected to and/or in fluid communication with the air pretreatment valve system and a second, opposite end which is connected to the first air transfer duct at a location upstream of the radiator passage. In this case, also the portion of the inlet air flow that has passed through the heat exchanger bypass, or the full inlet airflow if the inlet airflow flows in its entirety through the heat exchanger bypass, can be used for cooling or heating another air flow or liquid flow which also passes through the radiator. This way, the overall energy efficiency of the vehicle in which the vehicle cabin climate control
-10- system is arranged can be improved. The second air transfer duct may be connected to or be at least partly or fully formed by the heat exchanger bypass. In this embodiment, the inlet air flow has at least four options for the flow path from the air inlet to the air treatment device: - via the first side passage of the peripheral heat exchanger and subsequently via the first air transfer duct with the radiator passage, or - via the first side passage of the peripheral heat exchanger and subsequently via the third air transfer duct (i.e. bypassing the radiator passage), or - via the heat exchanger bypass and subsequently via the first air transfer duct with the radiator passage, or - via the heat exchanger bypass 65 and subsequently the third air transfer duct (i.e. bypassing the radiator passage). Optionally, a valve is provided which has a first air entrance port which is arranged to receive at least a part of the inlet air flow from the first side passage of the peripheral heat exchanger, a second air entrance port which is arranged to receive at least a part of the inlet air flow from the heat exchanger bypass, a first air discharge port which is arranged to direct at least a part of the inlet air flow to the via the first air transfer duct with the radiator passage and a second air discharge port which is arranged to direct at least a part of the inlet air flow to the third air transfer duct.
In an embodiment of the vehicle cabin climate control system according to the invention, the second side passage of the peripheral heat exchanger has a downstream end which is arranged to allow an air flow which has passed through the second side passage of the peripheral heat exchanger to leave the second side passage of the peripheral heat exchanger. In addition, in this embodiment, the vehicle cabin climate control system further comprises an air discharge passage which is arranged to discharge air to outside the vehicle, and the air discharge passage is connected to the downstream end of the second side passage of the peripheral heat exchanger. “Downstream” is related to the direction of the air flow through the vehicle cabin climate control system.
This way, air that has passed through the second side passage of the peripheral heat exchanger is discharged from the vehicle. In this arrangement, air that is to be expelled from the vehicle can be used in the peripheral heat exchanger of the vehicle cabin climate control system for pretreating at least a portion of the inlet air flow. This allows to improve the overall energy efficiency of the vehicle.
Optionally, in a variant of this embodiment, the second side passage of the peripheral heat exchanger has an upstream end which is arranged to allow an air flow to enter the
-11 - second side passage of the peripheral heat exchanger. “Upstream” is related to the direction of the air flow through the vehicle cabin climate control system. Optionally, in this variant, the vehicle cabin climate control system further comprises a cabin air discharge passage which is adapted to discharge air from the vehicle cabin, and the cabin air discharge passage is in fluid communication with the upstream end of the second side passage of the peripheral heat exchanger. Optionally, this cabin air discharge passage is in fluid communication with a recirculation line, which extends between a primary cabin air outlet and the air treatment device. Alternatively or in addition, in this variant, the vehicle cabin climate control system further comprises a cold air discharge which comprises a cold air discharge inlet which is arranged to receive at least a part of the cooled air flow that is generated by the air cooler of the air treatment device and a cold air discharge outlet which is in fluid communication with the upstream end of the second side passage of the peripheral heat exchanger. For example, the cold air discharge can be connected directly to the upstream end of the second side passage of the peripheral heat exchanger. Alternatively, for example the cold air discharge can be connected to the cabin air discharge passage, upstream of the second side passage of the peripheral heat exchanger. “Upstream” is related to the direction of the air flow through the vehicle cabin climate control system. This allows to further improve the overall energy efficiency of the vehicle.
In an embodiment of the vehicle cabin climate control system according to the invention, vehicle cabin climate control system further comprises: - a first air treatment entry point, which is arranged upstream of the air cooler and downstream of the peripheral heat exchanger and the heat exchanger bypass, - a second air treatment entry point, which is arranged between the air cooler and the air heater of the air treatment device, - an entry point valve system which is arranged downstream of the peripheral heat exchanger and the heat exchanger bypass and upstream of the first air treatment entry point and upstream of the second air treatment entry point, which entry point valve system has a first operational mode and a second operational mode, wherein in the first operational mode the entry point valve system is set to direct at least a part of the inlet air flow to the first air treatment entry point, and wherein in the second operational mode the entry point valve system is set to direct at least a part of the inlet air flow to the second air treatment entry point. Optionally, in this embodiment, in first operational mode of the entry point valve system, the entry point valve system is set to block the flow of the inlet air flow to the second air treatment entry point, and/or in the second operational mode of the entry point valve system,
-12- the entry point valve system is set to block the flow of the inlet air flow to the first air treatment entry point.
Optionally, in this embodiment, the vehicle cabin climate control system further comprises a first sensor system which comprises a first climate parameter sensor which is arranged in the air inlet system. The first sensor system is adapted to generate climate parameter measurement data. For example, the first climate parameter sensor is arranged in the air inlet system upstream of the air pretreatment valve system, so that it is able to generate climate parameter measurement data relating to the inlet air flow as it enters the vehicle cabin climate control system. Alternatively or in addition, the first climate parameter sensor is arranged in the air inlet system downstream of the air pretreatment valve system and upstream of the air treatment device, so that it is able to generate climate parameter measurement data relating to the inlet air flow before it enters the air treatment device. “Downstream” and “upstream” are related to the direction of the air flow through the vehicle cabin climate control system. The setting of the operational mode of the air pretreatment valve system and/or the entry point valve system is for example at least partly based on the climate parameter measurement data as generated by the first sensor system.
Optionally, in this embodiment, the vehicle cabin climate control system further comprises an outside sensor system which comprises an outside climate parameter sensor which is arranged on the outside of the vehicle. The outside sensor system is adapted to generate climate parameter measurement data. The setting of the operational mode of the air pretreatment valve system and/or the entry point valve system is for example at least partly based on the climate parameter measurement data as generated by the outside sensor system.
This embodiment allows further optimization of the operation of the vehicle cabin climate control system, as it allows to tune the temperature and humidity of the inlet airflow before the inlet airflow reaches the air treatment device. Once the airflow reaches the entry point valve system, it can be sent to the entry point which suits e.g. the conditions of the inlet air flow in combination with e.g. the desired temperature and humidity (or relative humidity) in the vehicle cabin. This allows to obtain an even further improved energy efficiency.
Optionally, in this embodiment, the cabin climate control system further comprises a cabin sensor system which comprises a cabin climate parameter sensor which is arranged in the vehicle cabin of the vehicle in which the vehicle cabin climate control system is arranged. The cabin sensor system is adapted to generate cabin parameter measurement data. The setting of the operational mode of the air pretreatment valve system and/or the entry point valve system is for example at least partly based on the climate parameter measurement data as generated by the cabin sensor system.
-13- The invention further pertains to a method for climate control in a vehicle cabin, which method comprises the following steps: - obtaining an inlet air flow and directing the inlet air flow to an air pretreatment valve system, - obtaining an input parameter for the air pretreatment valve system, - based at least partly on the input parameter, setting the air pretreatment valve system into one of a plurality of operational modes, which plurality of operational modes comprises at least a first operational mode and a second operational mode, wherein the second operational mode is different from the first operational mode, wherein if the air pretreatment valve system is set in the first operational mode, the method further comprises the following steps: - directing at least a portion of the inlet air flow to a first side passage of a peripheral heat exchanger, - then, directing said at least a portion of the inlet air flow to a vehicle cabin, wherein if in the first operational mode also a portion of the inlet air flow is directed to the heat exchanger bypass, then the portion of the inlet air flow that is directed to the first side passage of the peripheral heat exchanger is larger than the portion of the inlet air flow that is directed to the heat exchanger bypass, and wherein if the air pretreatment valve system is set in the second operational mode, the method further comprises the following steps: - directing at least a portion of the inlet air flow a heat exchanger bypass which is arranged to allow at least a portion of the inlet air flow to bypass the peripheral heat exchanger, - then, directing said at least a portion of the inlet air flow to a vehicle cabin, wherein if in the second operational mode also a portion of the inlet air flow is directed to the first side passage of the peripheral heat exchanger, then the portion of the inlet air flow that is directed to the heat exchanger bypass is larger than the portion of the inlet air flow that is directed to the first side passage of the peripheral heat exchanger The method according to the invention is for example carried out using a vehicle cabin climate control system according to the invention.
The input parameter for the air pretreatment valve system can for example be obtained by measurement, e.g. of one or more climate parameters (such as temperature, humidity, relative humidity) for example outside the vehicle in which the vehicle cabin climate control system is arranged or in the vehicle cabin of the vehicle in which the vehicle cabin climate control system is arranged, and/or by a setting of a desired value of a climate parameter (e.g.
-14 - temperature) by a user of the vehicle in which the vehicle cabin climate control system is arranged. Such a setting may be entered by a user interface inside the cabin, or remotely e.g. via an app on a smartphone.
In an embodiment of the method for climate control in a vehicle cabin according to the invention, an input parameter for the air pretreatment valve system is obtained based on climate parameter measurement data generated by a first sensor system which comprises a first climate parameter sensor, which first climate parameter sensor which is arranged in the air inlet system, either upstream or downstream of the first side passage of the peripheral heat exchanger.
Alternatively or in addition, an input parameter for the air pretreatment valve system is obtained based on climate parameter measurement data generated by an outside sensor system which comprises an outside climate parameter sensor, which outside climate parameter sensor is arranged outside the vehicle.
Alternatively or in addition, an input parameter for the air pretreatment valve system is obtained based on climate parameter measurement data generated by a cabin sensor system which comprises a cabin climate parameter sensor, which cabin climate parameter sensor is arranged in the cabin of the vehicle.
In an embodiment of the method for climate control in a vehicle cabin according to the invention, in the first operational mode and/or in the second operational mode said at least a portion of the air flow is directed to the vehicle cabin via an air treatment device which comprises an air cooler and an air heater.
In an embodiment of the method for climate control in a vehicle cabin according to the invention, the method further comprises the following steps, - based at least partly on the input parameter, setting an entry point valve system into one of a plurality of operational modes, which plurality of operational modes comprises at least a first operational mode and a second operational mode, - if the entry point valve system is set in the first operational mode, the method further comprises the following steps: - directing at least a portion of the inlet air flow to a first air entry point, which first air entry point is located upstream of an air cooler, - cooling the at least a portion of the inlet air flow in the air cooler to obtain a cooled air flow,
-15- - directing at least a first portion the cooled air flow to an air heater which is arranged downstream of the air cooler and heating the at least first portion of the cooled air flow in an air heater to obtain a heated air flow, - directing the heated air flow into a vehicle cabin via a primary cabin air inlet, - if the entry point valve system is set in the second operational mode, the method further comprises the following steps: - directing at least a portion of the inlet air flow to a second air entry point, which second air entry point is arranged downstream of the air cooler and upstream of the air heater, - heating the at least a portion of the inlet air flow in an air heater to obtain a heated air flow, - directing the heated air flow into a vehicle cabin via a primary cabin air inlet.
The invention further pertains to a vehicle comprising a vehicle cabin climate control system according to the invention.
The invention will be described in more detail below under reference to the drawing, in which in a non-limiting manner exemplary embodiments of the invention will be shown. The drawing shows in: Fig. 1: schematically, a first embodiment of a vehicle cabin climate control system according to the invention, Fig. 2: schematically, a first variant of the embodiment of fig. 1, Fig. 3: schematically, a second variant of the embodiment of fig. 1, Fig. 4: schematically, a third variant of the embodiment of fig. 1, Fig. 1 schematically shows a first embodiment of a vehicle cabin climate control system according to the invention.
In the embodiment of fig.1, the vehicle cabin climate control system is arranged into vehicle 1, for example a passenger car, a truck, a van, a plane, a bus, a tram, a train or any other means of public transport, or the like. The vehicle 1 comprises a vehicle cabin 2, in which a driver and optionally one or more passengers can be present. The dashed lines in fig. 1 schematically indicate the boundaries of the vehicle 1 and the vehicle cabin 2.
In the embodiment of fig. 1, the vehicle cabin climate control system comprises an air inlet system. The air inlet system comprises an air inlet 50 and an inlet line 51.
The air inlet system is adapted to allow outside air to enter the vehicle climate cabin control system and to generate an inlet air flow into the vehicle cabin climate control system.
-16 - The inlet air flow is generated from outside air entering the vehicle cabin climate control system via the air inlet 50.
In this example, the air inlet system further comprises a flow device 52, to actively generate the air flow and/or to provide a required flow rate for the inlet air flow. The flow device is or comprises for example a fan.
In the embodiment of fig.1, the vehicle cabin climate control system comprises an air treatment device 10 which comprises an air cooler 11 and an air heater 12. The air heater 12 is arranged downstream of the air cooler 11, downstream being related to the direction of the air flow through the air treatment device 10. So, the air flows through the air cooler 11 before at least a part of the air flows through the air heater 12.
The air cooler 11 of the air treatment device 10 comprises an air cooler inlet 14 for receiving an air flow. This air flow for example is comprised of at least a part of the inlet air flow, the entire inlet air flow, a combination of a part of the inlet air flow with recirculated air from the vehicle cabin or the entire inlet air flow in combination with recirculated air from the vehicle cabin.
The air cooler 11 is arranged downstream of the air inlet, downstream being related to the direction of the air flow through the vehicle cabin climate control system.
The air cooler 11 is adapted to generate a cooled air flow from the air flow that is received through the air cooler inlet 14. The air cooler 11 for example is or comprises an evaporator.
The air treatment device of the vehicle cabin climate control system according fig. 1 further comprises an air heater 12 which is arranged downstream of the air cooler 11, downstream being related to the direction of the air flow through the air treatment device 10. So, the air flows through the air cooler 11 before the air flows through the air heater 12.
The air heater 12 of the air treatment device 10 comprises an air heater inlet 15 which is arranged to receive an air flow.
The air heater 12 of the air treatment device 10 is adapted to generate a heated air flow from the air flow that is received through the air heater inlet 15.
In the embodiment of fig. 1, a first duct 13 is provided between an air cooler outlet 16 of the air cooler 11 and the air heater inlet 15 of the air heater 12.
In the embodiment of fig. 1, the vehicle cabin climate control system further comprises a primary cabin air inlet 30, which is arranged to receive an air flow and introduce at least a part of that received airflow into the vehicle cabin 2.
-17 - In the embodiment of fig. 1, the air flow that is received by the primary cabin air inlet 30 comprises the heated airflow that is generated by the air heater 12 of the air treatment device
10.
In the embodiment of fig. 1, the vehicle climate control system further comprises a primary cabin air outlet 43 and a recirculation line 40. The recirculation line 40 extends between the primary cabin air outlet 43 and the air treatment device 10. The recirculation line 40 is arranged to supply a recirculation air flow from the vehicle cabin 2 to the air cooler inlet
14. The first air treatment entry point 81 is arranged at the recirculation line 40 upstream of the air cooler 11. Flow device 41 is present to ensure the required level of air flow through the recirculation line.
In this embodiment, an air exhaust line 42 is present which is connected to the recirculation line 40, and a portion of air that is extracted from the vehicle cabin 2 via the recirculation line 40 flows into the air exhaust line 42 and from there to outside the vehicle 1.
In the embodiment of fig. 1, the vehicle cabin climate control system further comprises a peripheral heat exchanger 60. The peripheral heat exchanger 60 has a first side passage 63 and a second side passage 64. The first side passage 83 and the second side passage 64 are arranged to allow heat transfer between an air flow within the first side passage 63 and an air flow within the second side passage 64. The first side passage 63 is arranged downstream of the air inlet 50 and upstream of the air treatment device 10. “Downstream” and “upstream” are related to the direction of the air flow through the vehicle cabin climate control system.
In addition, the vehicle cabin climate control system of fig. 1 further comprises a heat exchanger bypass 65 which is arranged to allow at least a portion of the inlet air flow to bypass the peripheral heat exchanger 60.
So, air enters the vehicle cabin climate control system via the air inlet 50, and flows to the air treatment device 10, via the first side passage 83 of the peripheral heat exchanger 60 or via the heat exchanger bypass 65. Optionally, a further flow path is additionally present.
The vehicle cabin climate control system as shown in fig. 1 further comprises an air pretreatment valve system 62 which is arranged downstream of the air inlet 50 and upstream of the first side passage 63 of the peripheral heat exchanger 60 and of the heat exchanger bypass 65.
The air pretreatment valve system 62 determines where the inlet air flow or the portion thereof that arrives at the air pretreatment valve system 62 goes to next: does it go the first side passage 63 of the peripheral heat exchanger 60, to the heat exchanger bypass 65, to a further flow path, or is it split into a first portion that goes to the first side passage 63 of the
-18- peripheral heat exchanger 60 and a second portion that goes to the heat exchanger bypass 65 and optionally a third portion that goes to an additional flow path (if such an additional flow path is present) ? The air pretreatment valve system 62 has a first operational mode and a second operational mode. The second operational mode is different from the first operational mode.
In the first operational mode the air pretreatment valve system 62 is set to direct at least a portion of the inlet air flow to the first side passage 63 of the peripheral heat exchanger 60. Optionally, in the first operational mode, the entire inlet air flow (or the portion thereof that arrives at the air pretreatment valve system) is directed to the first side passage 63 of the peripheral heat exchanger 60. Alternatively, in the first operational mode, a first portion of the inlet air flow is directed to the first side passage 63 of the peripheral heat exchanger 60 and a second portion of the inlet air flow is directed to the heat exchanger bypass 65. In that case, the first portion of the inlet air flow is larger than the second portion.
So, if in the first operational mode also a portion of the inlet air flow is directed to the heat exchanger bypass 65, then the portion of the inlet air flow that is directed to the first side passage 63 of the peripheral heat exchanger 60 is larger than the portion of the inlet air flow that is directed to the heat exchanger bypass 65.
As a further alternative, in the first operational mode, a first portion of the inlet air flow is directed to the first side passage 63 of the peripheral heat exchanger 60 and a third portion of the inlet air flow is directed to a further flow path.
In the second operational mode the air pretreatment valve system 62 is set to direct at least a portion of the inlet air flow to the heat exchanger bypass 65. The second operational mode is different from the first operational mode, so the valve setting of the air pretreatment valve system 62 is in the first operational mode different than in the second operational mode.
In the second operational mode the air pretreatment valve system 62 is set to direct at least a portion of the inlet air flow to the heat exchanger bypass 65. Optionally, in the second operational mode, the entire inlet air flow (or the portion thereof that arrives at the air pretreatment valve system) is directed to the heat exchanger bypass 65. Alternatively, in the second operational mode, a first portion of the inlet air flow is directed to the first side passage 63 of the peripheral heat exchanger 60 and a second portion of the inlet air flow is directed to the heat exchanger bypass 65. In that case, the first portion of the inlet air flow is smaller than the second portion.
So, if in the second operational mode also a portion of the inlet air flow is directed to the first side passage 63 of the peripheral heat exchanger 60, then the portion of the inlet air flow
-19- that is directed to the heat exchanger bypass 65 is larger than the portion of the inlet air flow that is directed to the first side passage 63 of the peripheral heat exchanger 60.
As a further alternative, in the second operational mode, a second portion of the inlet air flow is directed to the heat exchanger bypass 65 and a third portion of the inlet air flow is directed to a further flow path.
Optionally, in the first operational mode, in the embodiment of fig. 1, at least 50% of the entire inlet air flow (or of the portion thereof that arrives at the air pretreatment valve system) is directed to the first side passage 63 of the peripheral heat exchanger 60.
Alternatively or in addition, in the second operational mode, at least 50% of the entire inlet air flow (or of the portion thereof that arrives at the air pretreatment valve system) is directed to the heat exchanger bypass 65.
Optionally, in the embodiment of fig. 1, in the first operational mode the air pretreatment valve system 62 is set to block the flow of the inlet air flow to the heat exchanger bypass 65.
Alternatively or in addition, in the second operational mode the air pretreatment valve system B62 is set to block the flow of the inlet air flow to the first side passage 63 of the peripheral heat exchanger 60.
Optionally, in this embodiment, in the first operational mode, the entire inlet air flow (or the portion thereof that arrives at the air pretreatment valve system) is directed to the first side passage 63 of the peripheral heat exchanger 60. Alternatively, in the first operational mode, a first portion of the inlet air flow is directed to the first side passage 63 of the peripheral heat exchanger 60 and the remainder of the inlet air flow (or the portion thereof that arrives at the air pretreatment valve system) is directed to a further flow path or to further flow paths, the further flow path or further flow paths not being and/or including the heat exchanger bypass
65.
Optionally, in this embodiment, in the second operational mode, the entire inlet air flow (or the portion thereof that arrives at the air pretreatment valve system) is directed to the heat exchanger bypass 65. Alternatively, in the second operational mode, a second portion of the inlet air flow is directed to the heat exchanger bypass 65 and the remainder of the inlet air flow (or the portion thereof that arrives at the air pretreatment valve system) is directed to a further flow path or to further flow paths, the further flow path or further flow paths not being and/or including the first side passage 63 of the peripheral heat exchanger 60.
In the embodiment of fig. 1, the second side passage 84 of the peripheral heat exchanger 60 has a downstream end which is arranged to allow an air flow which has passed through the second side passage 64 of the peripheral heat exchanger to leave the second
-20- side passage 64 of the peripheral heat exchanger 60. The vehicle cabin climate control system further comprises an air discharge passage 44 which is arranged to discharge air to outside the vehicle 1 in which the vehicle cabin climate control system is arranged, and the air discharge passage 44 is connected to the downstream end of the second side passage 64 of the peripheral heat exchanger 60. “Downstream” is related to the direction of the air flow through the vehicle cabin climate control system.
This way, air that has passed through the second side passage 64 of the peripheral heat exchanger 60 is discharged from the vehicle. In this arrangement, air that is to be expelled from the vehicle in which the vehicle cabin climate control system is arranged can be used in the peripheral heat exchanger 60 of the vehicle cabin climate control system for pretreating at least a portion of the inlet air flow. This allows to improve the overall energy efficiency of the vehicle.
In the embodiment of fig. 1, the second side passage 64 of the peripheral heat exchanger 60 has an upstream end which is arranged to allow an air flow to enter the second side passage 64 of the peripheral heat exchanger 60. “Upstream” is related to the direction of the air flow through the vehicle cabin climate control system.
In the embodiment of fig. 1, the vehicle cabin climate control system further comprises a cabin air discharge passage 45 which is adapted to discharge air from the vehicle cabin 2, The cabin air discharge passage 45 is in fluid communication with the upstream end of the second side passage 64 of the peripheral heat exchanger 80. In the embodiment of fig. 1, the cabin air discharge passage 45 is in fluid communication with a recirculation line 40, which extends between a primary cabin air outlet 43 and the air treatment device 10. The air discharge passage 44 and the cabin air discharge passage 45 both form part of the air exhaust line 42.
Fig. 2 shows, schematically, a first variant of the embodiment of fig. 1.
In this first variant, the vehicle cabin climate control system further comprises an outside sensor system which comprises an outside climate parameter sensor 92 which is arranged on the outside of the vehicle 1 in which the vehicle cabin climate control system is arranged. The outside sensor system is adapted to generate climate parameter measurement data.
In this first variant, the air pretreatment valve system 62 comprises an air pretreatment valve system controller 66 which is adapted to control the setting of the operational mode of the air pretreatment valve system 62 at least partly based on the climate parameter measurement data as generated by the outside sensor system.
-21- In this first variant, the vehicle cabin climate control system further comprises a first sensor system which comprises a first climate parameter sensor 91 which is arranged in the air inlet system. The first sensor system is adapted to generate climate parameter measurement data. In the example of fig. 2, the first climate parameter sensor 91 is arranged inthe air inlet system downstream of the air pretreatment valve system 62 and upstream of the air treatment device 10, so that it is able to generate climate parameter measurement data relating to the inlet air flow before it enters the air treatment device. Alternatively or in addition, the first climate parameter sensor can be arranged in the air inlet system upstream of the air pretreatment valve system 62.
In the variant of fig. 2, the air pretreatment valve system controller 66 is adapted to control the setting of the operational mode of the air pretreatment valve system 62 at least partly based on the climate parameter measurement data as generated by the first sensor system.
In the first variant as shown in fig. 2, the vehicle cabin climate control system further comprises a cabin sensor system which comprises an cabin climate parameter sensor 93 which is arranged in the cabin 2 of the vehicle 1 in which the vehicle cabin climate control system is arranged. The cabin sensor system is adapted to generate vehicle cabin parameter measurement data.
In the variant of fig. 2, the air pretreatment valve system controller 66 is adapted to control the setting of the operational mode of the air pretreatment valve system at least partly based on the climate parameter measurement data as generated by the cabin sensor system.
Fig. 3 shows, schematically, a second variant of the embodiment of fig. 1.
In the second variant as shown in fig. 3, the vehicle cabin climate control system comprises a first air transfer duct 67 which is in fluid communication with the first side passage 63 of the peripheral heat exchanger 60. The first air transfer duct 67 is arranged downstream of the first side passage 63 of the peripheral heat exchanger 60 and upstream of the air treatment device 10. The first air transfer duct 67 comprises a radiator passage 75 which is adapted to pass at least a part of the air flow through the first air transfer duct 67 over or through a radiator 76 of a vehicle.
This way, for example air that is cooled or heated by the peripheral heat exchanger 60 can be used for cooling or heating another air flow or liquid flow which also passes through the radiator 76. This way, the overall energy efficiency of the vehicle in which the vehicle cabin climate control system is arranged can be improved.
In the variant of fig. 3, the heat exchanger bypass further comprises a second air transfer duct 68 which has a first end that is connected to and/or in fluid communication with
22. the air pretreatment valve system 62 and a second, opposite end which is connected to the first air transfer duct 67 at a location upstream of the radiator passage 75. In this case, also the portion of the inlet air flow that has passed through the heat exchanger bypass 65, or the full inlet airflow if the inlet airflow flows in its entirety through the heat exchanger bypass 65, can be used for cooling or heating another air flow or liquid flow which also passes through the radiator 76. This way, the overall energy efficiency of the vehicle 1 in which the vehicle cabin climate control system is arranged can be improved. The second air transfer duct 68 may be connected to or be at least partly or fully formed by the heat exchanger bypass 65. This way, the overall energy efficiency of the vehicle in which the vehicle cabin climate control system is arranged can be improved. In the variant of fig. 3, the vehicle cabin climate control system further comprises a third air transfer duct 69 which has a first end that is connected to and/or in fluid communication with the air pretreatment valve system 62 and a second, opposite end which is arranged at a location upstream of the air treatment device 10. This allows the inlet air flow to bypass the radiator passage 75 if desired. So, in the variant of fig. 3, the inlet air flow has at least four options for the flow path from the air inlet 50 to the air treatment device 10: - via the first side passage 63 of the peripheral heat exchanger 60 and subsequently via the first air transfer duct 67 with the radiator passage 75, or - via the first side passage 63 of the peripheral heat exchanger 60 and subsequently via the third air transfer duct 69 (i.e. bypassing the radiator passage 75), or - via the heat exchanger bypass 65 and subsequently via the first air transfer duct 67 with the radiator passage 75, or - via the heat exchanger bypass 65 and subsequently via the third air transfer duct 69 (i.e. bypassing the radiator passage 75). Optionally, a valve 77 is provided which has a first air entrance port which is arranged to receive at least a part of the inlet air flow from the first side passage 63 of the peripheral heat exchanger, a second air entrance port which is arranged to receive at least a part of the inlet air flow from the heat exchanger bypass 65, a first air discharge port which is arranged to direct at least a part of the inlet air flow to the via the first air transfer duct 67 with the radiator passage 75 and a second air discharge port which is arranged to direct at least a part of the inlet air flow to the third air transfer duct 69.
This second variant can be combined with the first variant of the first embodiment as described in relation to fig. 2.
- 23.
Fig. 4 shows, schematically, a third variant of the embodiment of fig. 1.
In the variant of fig. 4, vehicle cabin climate control system further comprises: - a first air treatment entry point 81, which is arranged upstream of the air cooler 11 and downstream of the peripheral heat exchanger 60 and the heat exchanger bypass 65, - a second air treatment entry point 82, which is arranged between the air cooler 11 and the air heater 12 of the air treatment device 10, - an entry point valve system 80 which is arranged downstream of the peripheral heat exchanger 60 and the heat exchanger bypass 65 and upstream of the first air treatment entry point 81 and upstream of the second air treatment entry point 82, which entry point valve system 80 has a first operational mode and a second operational mode, wherein in the first operational mode the entry point valve system 80 is set to direct at least a part of the inlet air flow to the first air treatment entry point 81, and wherein in the second operational mode the entry point valve system 80 is set to direct atleast a part of the inlet air flow to the second air treatment entry point 82.
Optionally, in the third variant as shown in fig. 4, in first operational mode of the entry point valve system 80, the entry point valve system 80 is set to block the flow of the inlet air flow to the second air treatment entry point 82, and/or in the second operational mode of the entry point valve system 80, the entry point valve system 80 is set to block the flow of the inlet air flow to the first air treatment entry point 81. In the third variant as shown in fig. 4, the vehicle cabin climate control system further comprises a first sensor system which comprises a first climate parameter sensor 91 which is arranged in the air inlet system. The first sensor system is adapted to generate climate parameter measurement data. In this example of the third variant, the first climate parameter sensor 91 is arranged in the air inlet system downstream of the air pretreatment valve system 62 and upstream of the air treatment device 10, so that it is able to generate climate parameter measurement data relating to the inlet air flow before it enters the air treatment device 10.
The setting of the operational mode of the air pretreatment valve system 62 and/or the entry point valve system 80 is for example at least partly based on the climate parameter measurement data as generated by the first sensor system.
In the third variant as shown in fig. 4, the vehicle cabin climate control system further comprises an outside sensor system which comprises an outside climate parameter sensor 92 which is arranged on the outside of the vehicle 1 in which the vehicle cabin climate control
-24- system is arranged. The outside sensor system is adapted to generate climate parameter measurement data.
The setting of the operational mode of the air pretreatment valve system 62 and/or the entry point valve system 80 is for example at least partly based on the climate parameter measurement data as generated by the outside sensor system.
In the third variant as shown in fig. 4, the cabin climate control system further comprises a cabin sensor system which comprises a cabin climate parameter sensor 93 which is arranged in the vehicle cabin 2 of the vehicle 1 in which the vehicle cabin climate control system is arranged. The cabin sensor system is adapted to generate cabin parameter measurement data.
The setting of the operational mode of the air pretreatment valve system 62 and/or the entry point valve system 80 is for example at least partly based on the climate parameter measurement data as generated by the cabin sensor system.
In the third variant as shown in fig. 4, the second side passage 64 of the peripheral heat exchanger 60 has a downstream end which is arranged to allow an air flow which has passed through the second side passage 64 of the peripheral heat exchanger 60 to leave the second side passage 640f the peripheral heat exchanger 60. In addition, the vehicle cabin climate control system further comprises an air discharge passage 44 which is arranged to discharge air to outside the vehicle 1 in which the vehicle cabin climate control system is arranged, and the air discharge passage 44 is connected to the downstream end of the second side passage 64 of the peripheral heat exchanger 60.
This way, air that has passed through the second side passage 64 of the peripheral heat exchanger 60 is discharged from the vehicle 1. In this arrangement, air that is to be expelled from the vehicle 1 can be used in the peripheral heat exchanger 60 of the vehicle cabin climate control system for pretreating at least a portion of the inlet air flow. This allows to improve the overall energy efficiency of the vehicle.
In the third variant as shown in fig. 4, the second side passage 64 of the peripheral heat exchanger 60 has an upstream end which is arranged to allow an air flow to enter the second side passage 64 of the peripheral heat exchanger 60.
In this variant, the vehicle cabin climate control system further comprises a cabin air discharge passage 45 which is adapted to discharge air from the vehicle cabin 2, and the cabin air discharge passage 45 is in fluid communication with the upstream end of the second side passage 64 of the peripheral heat exchanger 60. In the variant shown in fig. 4, this cabin air discharge passage 45 is in fluid communication with a recirculation line 40, which extends
- 25. between a primary cabin air outlet 43 and the air treatment device 10. The air discharge passage 44 and the cabin air discharge passage 45 both form part of the air exhaust line 42. In the third variant as shown in fig. 4, the vehicle cabin climate control system further comprises a cold air discharge 20 which comprises a cold air discharge inlet which is arranged to receive at least a part of the cooled air flow that is generated by the air cooler 11 of the air treatment device 10 and a cold air discharge outlet which is in fluid communication with the upstream end of the second side passage 64 of the peripheral heat exchanger 60. For example, the cold air discharge 20 can be connected directly to the upstream end of the second side passage 64 of the peripheral heat exchanger 64. Alternatively, for example the cold air discharge 20 can be connected to the cabin air discharge passage 45, upstream of the second side passage 64 of the peripheral heat exchanger 60. This third variant as shown in fig. 4 can be combined with the first and/or second variant of the first embodiment as described in relation to fig. 2. and/or fig. 3, respectively
Claims (15)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL2028587A NL2028587B1 (en) | 2021-06-30 | 2021-06-30 | Vehicle cabin climate control system |
| PCT/EP2022/067759 WO2023275066A1 (en) | 2021-06-30 | 2022-06-28 | Vehicle cabin climate control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL2028587A NL2028587B1 (en) | 2021-06-30 | 2021-06-30 | Vehicle cabin climate control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL2028587B1 true NL2028587B1 (en) | 2023-01-09 |
Family
ID=77127042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL2028587A NL2028587B1 (en) | 2021-06-30 | 2021-06-30 | Vehicle cabin climate control system |
Country Status (1)
| Country | Link |
|---|---|
| NL (1) | NL2028587B1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19731369C1 (en) * | 1997-07-22 | 1998-07-09 | Daimler Benz Ag | Air conditioner unit for motor vehicle |
| JP2010076506A (en) * | 2008-09-24 | 2010-04-08 | Calsonic Kansei Corp | Air conditioner for vehicle |
| JP2013203326A (en) * | 2012-03-29 | 2013-10-07 | Panasonic Corp | Air conditioner for vehicle |
| DE102015115196A1 (en) | 2015-09-09 | 2017-03-09 | Denso Automotive Deutschland Gmbh | Ventilation system for a motor vehicle and associated control method |
| JP6580195B1 (en) * | 2018-04-27 | 2019-09-25 | 三菱電機株式会社 | Vehicle heat exchange device |
-
2021
- 2021-06-30 NL NL2028587A patent/NL2028587B1/en not_active IP Right Cessation
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19731369C1 (en) * | 1997-07-22 | 1998-07-09 | Daimler Benz Ag | Air conditioner unit for motor vehicle |
| JP2010076506A (en) * | 2008-09-24 | 2010-04-08 | Calsonic Kansei Corp | Air conditioner for vehicle |
| JP2013203326A (en) * | 2012-03-29 | 2013-10-07 | Panasonic Corp | Air conditioner for vehicle |
| DE102015115196A1 (en) | 2015-09-09 | 2017-03-09 | Denso Automotive Deutschland Gmbh | Ventilation system for a motor vehicle and associated control method |
| JP6580195B1 (en) * | 2018-04-27 | 2019-09-25 | 三菱電機株式会社 | Vehicle heat exchange device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10071807B2 (en) | Method and device for controlling an aircraft air conditioning system | |
| CN101580006B (en) | Heating system for automatic vehicle | |
| CN105492227B (en) | Use the air-conditioning system for fresh air supply and the recuperation of heat ventilation blower of climate controlling | |
| JP4897833B2 (en) | Air conditioner for aircraft with multiple climatic zones that can be individually temperature controlled | |
| US6681591B2 (en) | Cabin air temperature control with cooling of recirculated air | |
| US20130098595A1 (en) | Temperature control device and method for generating a temperature-controlled air flow | |
| JPH06505940A (en) | A method for cooling drive components and heating the interior of a motor vehicle, in particular an electric vehicle, and a device for carrying out this method. | |
| US9689597B2 (en) | Air-conditioning system for an aircraft, and method for an aircraft | |
| US5752655A (en) | Automotive air-conditioning apparatus with combustion heater | |
| US20170232816A1 (en) | Air conditioning system of a motor vehicle | |
| US20170059199A1 (en) | Environmentally Friendly Heating Ventilation and Air Conditioning System | |
| RU2009125466A (en) | COOLING AND VENTILATION SYSTEM BY RUNNING AIR FLOW FOR AIRCRAFT | |
| US20210070133A1 (en) | Method for operating an air conditioning system in the vehicle interior of a motor vehicle | |
| NL2028587B1 (en) | Vehicle cabin climate control system | |
| NL2028583B1 (en) | Vehicle cabin climate control system | |
| CN107848365B (en) | Air conditioning device and method for operating the same | |
| CN113525024A (en) | Heating and/or air conditioning device for a ground vehicle with improved ventilation and method thereof | |
| JP4422124B2 (en) | Air conditioning system | |
| WO2023275066A1 (en) | Vehicle cabin climate control system | |
| WO2023275068A1 (en) | Vehicle cabin climate control system | |
| NL2028582B1 (en) | Vehicle cabin climate control system | |
| NL2028585B1 (en) | Vehicle cabin climate control system | |
| US9921009B2 (en) | Dual-use ram-primary/regen hx | |
| CN111516882B (en) | Heating and ventilating system of aircraft cabin | |
| GB1255611A (en) | Improvements in or relating to vehicle passenger compartment air conditioning apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PD | Change of ownership |
Owner name: LIGHTYEAR IPCO B.V.; NL Free format text: DETAILS ASSIGNMENT: CHANGE OF OWNER(S), ASSIGNMENT; FORMER OWNER NAME: DELA HOLDING N.V. Effective date: 20230720 |
|
| RF | Pledge or confiscation terminated |
Free format text: RIGHT OF PLEDGE, REMOVED Effective date: 20230720 |
|
| MM | Lapsed because of non-payment of the annual fee |
Effective date: 20240701 |