EP4416030A1 - Fahrzeug zur personenbeförderung mit einer klimaanlage - Google Patents
Fahrzeug zur personenbeförderung mit einer klimaanlageInfo
- Publication number
- EP4416030A1 EP4416030A1 EP22840060.2A EP22840060A EP4416030A1 EP 4416030 A1 EP4416030 A1 EP 4416030A1 EP 22840060 A EP22840060 A EP 22840060A EP 4416030 A1 EP4416030 A1 EP 4416030A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vehicle
- air conditioning
- passenger compartment
- air
- window panes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
- B61D27/0018—Air-conditioning means, i.e. combining at least two of the following ways of treating or supplying air, namely heating, cooling or ventilating
-
- 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 devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00371—Air-conditioning arrangements specially adapted for particular vehicles for vehicles carrying large numbers of passengers, e.g. buses
-
- 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 devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D25/00—Window arrangements peculiar to rail vehicles
-
- 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 devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
- B60H1/00742—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models by detection of the vehicle occupants' presence; by detection of conditions relating to the body of occupants, e.g. using radiant heat detectors
-
- 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 devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
- B60H1/0075—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being solar radiation
Definitions
- the invention relates to a vehicle for passenger transport according to the preamble of claim 1 and to a method for controlling an air conditioning system of such a vehicle.
- a vehicle for passenger transport with an air conditioning system, which is controlled by means of an air conditioning system control, which is connected to at least one temperature sensor for a passenger compartment of the vehicle, and an air conditioning unit and a plurality of air ducts for charging the passenger compartment with conditioned air provided by the air conditioning unit Supply air and for discharging air from the passenger compartment includes, wherein the air conditioning control for regulating a temperature of the passenger compartment controls the air conditioner in such a way that it supplies a temperature-controlled supply air for setting a predetermined target temperature of the passenger compartment.
- the regulation of a target temperature for the passenger compartment of a vehicle for passenger transport, in particular a rail vehicle, is therefore based on a corresponding control of the air conditioning system. Its operation is adjusted in such a way that, for example, if the temperature falls below a desired target temperature, the temperature of the supply air supplied by the air conditioner is increased, for example by switching on a heating register. If the target temperature is exceeded, the operation of the air conditioner is adjusted in such a way that the supply air conveyed into the passenger compartment z. B. has such a low temperature by cooling that the desired target temperature is reached.
- the temperature control for the passenger compartment is based exclusively on influencing the operation of the air conditioning unit.
- the lowest possible energy consumption is desirable, particularly when vehicles for passenger transport are operated without overhead lines. This also applies in particular to the air conditioning in the passenger compartment.
- the invention is based on the object of further developing a vehicle of the type mentioned at the outset in such a way that the air conditioning system used there consumes less energy, and of specifying a method for controlling the air conditioning system of such a vehicle.
- the vehicle of the type mentioned at the outset is characterized in that the vehicle for passenger transport is equipped with a plurality of window panes that can be darkened, the degree of darkening of which can be adjusted electrically, and the air conditioning control system is designed in such a way that it is used to set the predetermined target temperature of the passenger compartment Controls the degree of darkening of the window panes. It can be either the darkening of visible light or non-visible solar radiation. Shading over the entire radiation range of the solar radiation is more effective in terms of reducing the heat input into the vehicle.
- the vehicle for passenger transport is preferably a rail vehicle for passenger transport.
- An essential aspect of the invention is therefore to equip the vehicle for passenger transport with vehicle windows that can be darkened and to control the degree of darkening for to include these darkenable vehicle windows in an air conditioning system control.
- the cooling capacity of the air conditioning unit required to cool down the air in the passenger compartment is reduced.
- the basis for this is that the entry of heat into the air in the passenger compartment due to solar radiation is effectively reduced by suitably setting the degree of darkening of the dimmable window panes.
- Window panes that can be darkened/dimmed are known in the prior art and are already used, for example, in the field of building technology. Common terms for this are "smart glass” or “intelligent glass”. Various technologies are used here, such as foiling or coating conventional window panes. The degree of darkening of such foiled or coated window panes is set electrically by applying a voltage to electrochromic glass.
- the air conditioning control system is designed in such a way that it prioritizes the degree of darkening for the window panes in order to set the target temperature of the passenger compartment.
- the degree of darkening is first increased by electrically actuating the window panes in order to set the desired setpoint temperature. If this is not sufficient to achieve the desired temperature, the air conditioning unit is then also activated in such a way that the desired temperature for the passenger compartment can be reached via the temperature of the supply air set there.
- the degree of darkening of the window panes is not set to a maximum, but in such a way that an optimum results in the sense that there is no minimum transmission of the window panes for visible light is undercut in order to enable perception of the environment, and a reasonable energy consumption of the air conditioning system is accepted.
- the air conditioning system control can be connected to an outside temperature sensor and/or at least one environment sensor arrangement. Measured values supplied by the outside temperature sensor are then included in the control of the degree of darkening of the window panes and also the temperature of the supply air which is supplied by the air conditioning unit.
- the majority of the window panes can be designed so that they can be darkened electrically only in their upper area, relative to the vehicle. A darkening only, for example, in an upper half or an upper third of the window panes already has a significant effect on reducing the heat input into the passenger compartment.
- a remaining area of the window panes can then be designed to be particularly permeable to mobile radio waves, for example.
- the air conditioning control is connected to a door control of the vehicle and is designed in such a way that it opens times of vehicle doors for setting the predetermined target temperature of the passenger compartment and an associated air and heat exchange between the passenger compartment and a Environment of the vehicle taken into account.
- the air conditioning control is a central control that is used to control the Ab degree of darkness of all window panes of the vehicle is set .
- the air conditioning control is connected to at least two environmental sensor arrangements that are set up to determine the light intensity on at least two longitudinal sides of the vehicle and the air conditioning control is set up to determine the degree of darkening of all window panes on a first longitudinal side of the vehicle to control independently of the window panes of a second longitudinal side of the vehicle depending on the light intensity detected in each case.
- the air conditioning control is designed in such a way that the window panes on the sunny side can be darkened, whereas the windows on the shady side cannot be darkened. This can also take place automatically when the directions of travel change.
- the plurality of window panes that can be darkened comprise at least one side window of the passenger compartment and/or comprise at least one door window of the passenger compartment. This means that the window on one side of the vehicle can be essentially completely darkened and both an entry area and the rest of the passenger compartment can be darkened.
- the air conditioning control is connected to a position determination system and the degree of darkening of the window panes of the vehicle can be controlled using a determined position.
- the positioning system can be, for example. be a satellite-based positioning system.
- the degree of darkening of the window panes of the vehicle can be e.g. be controlled when driving through a tunnel or when entering a train station.
- the air conditioning control is set up to control the degree of darkening of the window panes of the vehicle in such a way that it allows darkening before and/or after passenger operation.
- a blackout function when the vehicle is parked or a blackout function when the vehicle is equipped e.g. be implemented in the air conditioning control to cool down the interior before passenger operation.
- FIG. 1 shows a functional diagram for explaining an air conditioning system control in a vehicle for passenger transport
- Figure 2 is a qualitative, graphical representation of temporal temperature profiles in the passenger compartment
- FIG. 3 shows a schematic side view of a window pane that can be darkened.
- a superordinate control unit 1 is provided in a carriage of a multi-part rail vehicle, which controls a large number of functions of the vehicle.
- the control unit 1 includes a vehicle controller 2 , an air conditioning controller 3 and a door controller 4 .
- the air conditioning controller 3 controls an air conditioning system 5 which is provided to convey conditioned supply air into a passenger compartment of the car with the aid of an air conditioning unit which is designed both for cooling and for heating fresh air drawn in from the surroundings of the vehicle. For suitable conditioning of the supply air, so that the air in the passenger compartment maintains specified target values for temperature, carbon dioxide content, humidity, .
- the interior sensor arrangement 6 also includes a sensor system for detecting the degree to which the passenger compartment is occupied by passengers.
- the air conditioning system 5 receives from an environment sensor arrangement 7 current measured values for solar radiation to which the car is exposed, an outside temperature of the environment, etc. .
- the control unit 1 also includes a window controller 8 for setting a degree of darkening for a plurality of window panes 9.1, 9.2, .
- Each of the provided window panes 9.1, 9.2, ..., 9.n is equipped with an associated electrical connection 10.1, 10.2, ..., 10.n, via which a voltage supplied by the window control 8 for setting a desired degree of darkening of the window panes 9.1, 9.2, ... 9.n is applied to a coating or foiling of the window panes 9.1, 9.2, ... 9.n.
- the control unit 1 also uses the door controller 4 to control the opening and closing processes for the doors 11 provided in the vehicle.
- a target value T s for the temperature in the passenger compartment is stored in the air conditioning control 3 and deviations between this target value and the temperature values for the passenger compartment currently measured by the sensor arrangement 6 are determined.
- a current actual temperature exceeds the target value T s for the temperature in the passenger compartment, as far as a current setting of the degree of darkening of the window panes allows this, first and prioritize the degree of darkening of the window panes 9.1, 9.2, ... , 9.n, increased or its maximum value adjusted.
- the air conditioning system 5 is also controlled in such a way that a provided air conditioner generates supply air for the passenger compartment, the temperature of which allows the target temperature T s for the passenger compartment to be reached within a suitable period of time.
- the air conditioning control 3 also takes into account opening times for the doors 11, because open doors allow both a thermal interaction between the air in the passenger compartment and the ambient air and the introduction of heat into the passenger compartment through solar radiation.
- FIG. 2 shows the temperature profile over time in the passenger compartment of the vehicle, with a first curve K1 showing the temperature profile without influencing the degree of darkening of the window panes 9.1, 9.2, . . . 9.n.
- a second curve K2 in FIG. 2 shows the temperature curve on the same time scale with window panes 9.1, 9.2, . . . , 9.n darkened to the maximum.
- the time courses each cover several days, with a distinct temperature maximum being ascertainable for each day.
- the setpoint temperature T s for the passenger compartment is shown in FIG.
- FIG. 3 illustrates that the window panes 9.1, 9.2, . . . , 9.n do not have to be able to be darkened over their entire area. Rather, the window pane 9.1 shown here as an example in FIG. 3 can only be darkened in its upper half 12, while a lower region 13 of the window panes 9.1 can be optimized, for example, for the transmission of mobile phone waves.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102021214657.0A DE102021214657A1 (de) | 2021-12-20 | 2021-12-20 | Fahrzeug zur Personenbeförderung mit einer Klimaanlage |
| PCT/EP2022/086370 WO2023117763A1 (de) | 2021-12-20 | 2022-12-16 | Fahrzeug zur personenbeförderung mit einer klimaanlage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4416030A1 true EP4416030A1 (de) | 2024-08-21 |
Family
ID=84901552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22840060.2A Pending EP4416030A1 (de) | 2021-12-20 | 2022-12-16 | Fahrzeug zur personenbeförderung mit einer klimaanlage |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20250042448A1 (de) |
| EP (1) | EP4416030A1 (de) |
| CA (1) | CA3240695A1 (de) |
| DE (1) | DE102021214657A1 (de) |
| WO (1) | WO2023117763A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102023114543A1 (de) * | 2023-06-02 | 2024-12-05 | Bayerische Motoren Werke Aktiengesellschaft | Vorrichtung und verfahren zum temperieren eines fahrzeuginnenraums |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19526450C1 (de) * | 1995-07-20 | 1996-05-09 | Daimler Benz Ag | Verfahren zur Steuerung einer Fahrzeuginnenraumklimatisierungseinrichtung |
| US7275983B2 (en) * | 2002-09-27 | 2007-10-02 | Denso Corporation | System for limiting an increase in the inside air temperature of passenger compartment of vehicle |
| JP4042699B2 (ja) | 2003-02-03 | 2008-02-06 | 株式会社デンソー | 移動体の空調装置 |
| ES2760698T3 (es) * | 2013-02-06 | 2020-05-14 | Isoclima Spa | Construcción de ventana |
| CN109414979B (zh) * | 2016-06-22 | 2022-04-26 | 金泰克斯公司 | 可变透射率窗户的热控制 |
| US10493995B2 (en) | 2018-04-16 | 2019-12-03 | GM Global Technology Operations LLC | Window shade system with radiant heating |
| US20210061053A1 (en) | 2019-08-26 | 2021-03-04 | GM Global Technology Operations LLC | System and Method of Vehicle Climate Control Using Window Optical Properties |
-
2021
- 2021-12-20 DE DE102021214657.0A patent/DE102021214657A1/de active Pending
-
2022
- 2022-12-16 CA CA3240695A patent/CA3240695A1/en active Pending
- 2022-12-16 EP EP22840060.2A patent/EP4416030A1/de active Pending
- 2022-12-16 US US18/722,403 patent/US20250042448A1/en active Pending
- 2022-12-16 WO PCT/EP2022/086370 patent/WO2023117763A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023117763A1 (de) | 2023-06-29 |
| DE102021214657A1 (de) | 2023-06-22 |
| US20250042448A1 (en) | 2025-02-06 |
| CA3240695A1 (en) | 2023-06-29 |
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Legal Events
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