WO2020200456A1 - Dispositif de communication sans fil équipé d'un refroidissement à pompe à chaleur pour un véhicule - Google Patents

Dispositif de communication sans fil équipé d'un refroidissement à pompe à chaleur pour un véhicule Download PDF

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Publication number
WO2020200456A1
WO2020200456A1 PCT/EP2019/058517 EP2019058517W WO2020200456A1 WO 2020200456 A1 WO2020200456 A1 WO 2020200456A1 EP 2019058517 W EP2019058517 W EP 2019058517W WO 2020200456 A1 WO2020200456 A1 WO 2020200456A1
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle
wireless communication
heat pump
communication device
communication unit
Prior art date
Application number
PCT/EP2019/058517
Other languages
English (en)
Inventor
Tekin ÖLMEZ
Johannes Kammerer
Guo JUNSHENG
Heng Hong ANG
Sebastian ILSANKER
Original Assignee
Huawei Technologies Co., Ltd.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Priority to PCT/EP2019/058517 priority Critical patent/WO2020200456A1/fr
Publication of WO2020200456A1 publication Critical patent/WO2020200456A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/03—Constructional details, e.g. casings, housings
    • H04B1/036—Cooling arrangements

Definitions

  • the present disclosure relates to a wireless communication device for vehicles, in particular to a wireless communication device that is cooled by a heat pump.
  • the present disclosure also relates to a vehicle comprising a wireless communication device.
  • a wireless communication device for a vehicle may be located under a backseat of the vehicle for example, and may be connected to multiple antennas by wired connections such as jumper cables. For future applications, it may be desirable to place the wireless communication device at the roof. The device and the antennas could thus be placed near each other, allowing for short connections, especially connections that do not include any jumper cables. Losses could thus be reduced.
  • a wireless communication device can e.g. provide an external interface for mobile communication (GSM, GPRS, Wi-Fi, WiMax, or LTE), which e.g. provides tracking values to a geographical information system (GIS).
  • GSM Global System
  • GPRS Global System
  • Wi-Fi Wireless Fidelity
  • WiMax wireless wide area network
  • a problem with wireless communication devices is typically that in an emergency situation (e.g. a breakdown of the vehicle when the ambient air is hot and solar radiation is intense, e.g. in a hot desert region), the wireless communication device may overheat and may not be able to make an emergency. Overheating may be due to the accumulation of heat produced by the device itself (more particularly, by its electronic circuitry, e.g. integrated circuits implemented in semiconductor chips) and heat produced by the absorption of solar radiation. It is desirable to avoid overheating of a wireless communication device when the latter is mounted to a vehicle, especially when mounted to a roof portion of the vehicle or to some other outer portion of the vehicle that is likely to be exposed to the sun.
  • an emergency situation e.g. a breakdown of the vehicle when the ambient air is hot and solar radiation is intense, e.g. in a hot desert region
  • Overheating may be due to the accumulation of heat produced by the device itself (more particularly, by its electronic circuitry, e.g. integrated circuits implemented in semiconductor chips) and heat produced
  • embodiments of the present invention aim to provide a reliable wireless communication device.
  • An object is in particular to avoid overheating of a wireless communication device for a vehicle.
  • the object may be achieved by active cooling.
  • the wireless communication device may be actively cooled when passive cooling is insufficient to keep it sufficiently cool, especially during an emergency situation.
  • a first aspect of the present invention provides a wireless communication device for being mounted to a vehicle, the wireless communication device comprising a communication unit comprising a transceiver, a heat pump operable in a cooling mode in which the heat pump pumps heat away from the communication unit, and a control device for controlling the heat pump to operate in the cooling mode in response to a temperature of the communication unit exceeding a predefined threshold value.
  • the wireless communication device will thus be actively cooled when the temperature of the communication unit exceeds a critical value (i.e. the predefined threshold value).
  • the device may thus remain functional in a range of ambient conditions in which passive cooling alone would be insufficient to prevent the communication unit from overheating.
  • the vehicle may for example be a car, a boat, a motorcycle, a truck, an aeroplane, a rail vehicle (e.g. a locomotive or a rail wagon), a helicopter, or a drone.
  • a rail vehicle e.g. a locomotive or a rail wagon
  • helicopter or a drone.
  • the heat pump is further operable in a heating mode in which the heat pump pumps heat towards the communication unit, and wherein the control device is further configured to operate the heat pump in the heating mode in response to the temperature of the communication unit being below a predefined second threshold value.
  • the heat pump may for example comprise a thermoelectric cooling device.
  • the wireless communication device further comprises a heat conductor and a passive cooling device, wherein the heat conductor is configured to thermally couple the passive cooling device to the communication unit.
  • Thermal coupling may include direct physical contact of the respective entities. Direct physical contact can produce particularly effective thermal coupling.
  • the passive cooling device comprises a part of an outer shell of the vehicle or comprises a heat exchanger for transferring heat to air.
  • Heat produced by the communication unit can thus be discharged in an efficient, passive manner.
  • the passive cooling device may also be referred to herein as a heat sink, heat dissipator, or heat exchanging device. It may comprise a body that transfers heat to its surrounding air.
  • the body may include e.g. part of a shell of the vehicle (e.g. the roof).
  • the heat pump comprises a peltier element or a chiller.
  • the passive cooling device is thermally coupled to the heat pump.
  • the heat pump may have a first side and a second side, wherein the first side is thermally coupled to the communication unit, and wherein the second side is thermally coupled to the passive cooling device.
  • the heat pump In a cooling mode of the heat pump, the heat pump is configured to cool the communication unit by means of the first side, and to dissipate heat by means of the second side.
  • the passive cooling device can dissipate heat from the heat pump.
  • the heat pump In a reverse operation mode of the heat pump (that is, when the heat pump operates as a heating device), the heat pump is configured to heat the communication unit by means of the first side.
  • the second side becomes cold while the first side becomes hot.
  • the heat pump may act as a thermal insulator, especially in implementation forms in which the heat pump comprises a peltier element.
  • the wireless communication device comprises a housing device, and the communication unit is arranged on a first side of the housing device, and the passive cooling device is arranged on a second side of the housing device.
  • the housing device thermally couples the communication unit and the passive cooling device.
  • the housing device and the passive cooling device may be formed integrally.
  • the heat pump is arranged between the passive cooling device and the communication unit.
  • the heat pump is arranged in an opening of the housing device.
  • the communication unit and/or the transceiver comprise a wireless transmission unit, in particular an antenna, a wireless transmission circuit, an amplifier circuit, a network access device, a mobile communication unit, a Bluetooth device, and/or a wireless local area network device.
  • a second aspect of the present invention provides a vehicle comprising the wireless communication device according to the first aspect or any of its implementation forms.
  • the wireless communication device is arranged at a roof portion of a body of the vehicle.
  • the communication unit is arranged on a first side of a body of the vehicle, and the passive cooling device is arranged on a second side of the body of the vehicle.
  • the first side of the body of the vehicle may be an outer side of the vehicle.
  • the second side of the body of the vehicle may be an inner side of the vehicle, in particular pointing towards a cabin of the vehicle.
  • the body of the vehicle may be or comprise an outer shell of the vehicle.
  • the passive cooling device is arranged between an outer roof of the vehicle body and a roof sky of the vehicle.
  • the outer roof may be part of the outer shell of the vehicle body.
  • the roof sky may be or comprise an interior roof paneling of the vehicle.
  • the housing device of the wireless communication device is attached to a roof portion of the body of the vehicle and / or is integrally formed with a roof portion of the body of the vehicle.
  • FIG. 1 schematically shows an example of a wireless communication device according to an embodiment of the present invention.
  • FIG. 2 schematically shows an example of a wireless communication device according to an embodiment of the present invention in more detail.
  • FIG. 3 schematically shows an example of a vehicle according to an embodiment of the present invention.
  • FIG. 4 gives a more detailed schematic view of an example of a vehicle according to an embodiment of the present invention.
  • FIG. 1 shows a schematic view of an example of a wireless communication device 100.
  • the wireless communication device 100 can be mounted to a vehicle 300, as will be further described with reference to FIG. 3 below.
  • the wireless communication device 100 comprises a communication unit 101 which includes a transceiver.
  • the wireless communication device 100 also comprises a heat pump 102, which is operable in a cooling mode in which the heat pump 102 pumps heat away from the communication unit 101.
  • the wireless communication device also includes a control device 103 for controlling the heat pump 102 to operate in the cooling mode in response to a temperature of the communication unit 101 exceeding a predefined threshold value.
  • the wireless communication device 100 further comprises a heat conductor 201.
  • the wireless communication device 100 also comprises a passive cooling device 202.
  • the heat conductor 201 thermally couples the passive cooling device 202 to the communication unit 101.
  • the heat pump 102 is thermally coupled to the communication unit 101 by means of the heat conductor 201.
  • the heat pump 102 is thermally coupled to the communication unit 101 directly.
  • the heat conductor 201 comprises three separate entities (one part located on the left side of the heat pump 102, one part located on the right side of the heat pump 102, and one part located between the heat pump 102 and the communication unit 101).
  • the heat conductor 201 is formed as a single entity.
  • the passive cooling device 202 may comprise a heat exchanger for discharging heat to air.
  • the passive cooling device 202 and/or the heat conductor 201 may comprise a part of an outer shell of the vehicle 300.
  • the wireless communication device 100 comprises a housing device 203.
  • the housing device 203 may be integrally formed with the heat conductor 201 and/or the passive cooling device 202. Additionally, or alternatively, the housing device 203 may be mounted to the heat conductor 201 and/or the passive cooling device 202.
  • the communication unit 101 may be arranged on a first side 204 of the housing device 203, which is e.g. an outer side the vehicle.
  • the passive cooling device 202 may be arranged on a second side 205 of the housing device 203, which e.g. is an inner side of the vehicle.
  • the heat conductor 201, the passive cooling device 202, and/or the housing device 203 may be mounted to an outer shell of the vehicle, or may be integrally formed with an outer shell of the vehicle.
  • the communication unit 101 may thus be arranged on an outer side of the vehicle while the passive cooling device 202 is arranged on an inner side of the vehicle.
  • the passive cooling device 202 may be arranged between the outer shell of the vehicle (e.g. the roof of the vehicle) and between a roof paneling of the inner side of the vehicle so that air may flow between the roof paneling and the outer shell to discharge heat.
  • control device 103 is not shown in FIG. 2.
  • the heat conductor 201, the passive cooling device 202, and/or the housing device 203 can be made of a material having a high thermal conductivity, such as brass. In a condition with a high temperature, the heat pump 102 actively cools the communication unit 101.
  • the heat pump 102 Since the heat pump 102 has a high thermal resistance when not operating in cooling mode, it is bypassed by the heat conductor 201, the passive cooling device 202, and/or the housing device 203.
  • the communication unit 101 can thus be passively cooled when the heat pump 102 is not operating.
  • the heat pump 102 can also be operated in a heating mode, in which the heat pump 102 heats up the communication unit 101.
  • the heating mode is activated when the temperature of the communication unit 101 is below a predefined second threshold value.
  • FIG. 3 shows a schematic view of a vehicle 300 according to an embodiment of the present invention.
  • the vehicle 300 comprises the wireless communication device 100 as described in FIG. 1 or FIG. 2.
  • the vehicle 300 can e.g. be a car, boat, bike, motorcycle, truck, plane, train, helicopter, drone, or the like.
  • the left side of the box may correspond to a front of the vehicle 300
  • the right side of the box may correspond to a back of the vehicle 300
  • the bottom side of the box may correspond to a bottom side of the vehicle 300
  • the top side of the box may correspond to a roof side of the vehicle 300.
  • the wireless communication device 100 may be placed in any place inside or outside of the vehicle 300.
  • FIG. 4 shows a schematic view of a vehicle 300 according to an embodiment of the present invention in more detail.
  • the vehicle 300 as illustrated in FIG. 4 comprises all features and functionality of the vehicle 300 as shown in FIG. 3.
  • the wireless communication device 100 can be arranged at a roof portion 401 of a body 402 of the vehicle 300.
  • the heat conductor 201, the passive cooling device 202, and/or the housing device 203 can be mounted to, and/or integrally formed with the roof portion 401 of the body 402 of the vehicle 300.
  • the wireless communication device 100 can be attached to the roof portion 401 of the vehicle 300 in a manner, in which the communication unit 101 is arranged on a first side 403 of the body 402 of the vehicle 300, and wherein the passive cooling device 202 is arranged on a second side 404 of the body 402 of the vehicle 300.
  • the wireless communication device 100 is arranged in a manner in which the passive cooling device 202 is arranged on an inner side of the vehicle 300, in particular between an outer roof 401 of the vehicle body 402 (e.g. the outer shell of the vehicle 300) and the roof sky 405 (e.g. a roof paneling of the vehicle the vehicle 300).
  • the passive cooling device 202 is arranged on an inner side of the vehicle 300, in particular between an outer roof 401 of the vehicle body 402 (e.g. the outer shell of the vehicle 300) and the roof sky 405 (e.g. a roof paneling of the vehicle the vehicle 300).
  • control device 103 is not shown in FIG. 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

La présente invention a trait à un dispositif de communication sans fil pour des véhicules, en particulier à un dispositif de communication sans fil qui est refroidi par une pompe à chaleur. La présente invention concerne un dispositif de communication sans fil (100) à monter dans un véhicule (300), le dispositif de communication sans fil (100) comprenant : une unité de communication (101) comprenant un émetteur-récepteur, une pompe à chaleur (102) utilisable dans un mode de refroidissement dans lequel la pompe à chaleur (102) extrait la chaleur de l'unité de communication (101), et un dispositif de commande (103) pour commander la pompe à chaleur (102) pour qu'elle fonctionne dans le mode de refroidissement en réponse à une température de l'unité de communication (101) qui excède une valeur seuil prédéfinie.
PCT/EP2019/058517 2019-04-04 2019-04-04 Dispositif de communication sans fil équipé d'un refroidissement à pompe à chaleur pour un véhicule WO2020200456A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2019/058517 WO2020200456A1 (fr) 2019-04-04 2019-04-04 Dispositif de communication sans fil équipé d'un refroidissement à pompe à chaleur pour un véhicule

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2019/058517 WO2020200456A1 (fr) 2019-04-04 2019-04-04 Dispositif de communication sans fil équipé d'un refroidissement à pompe à chaleur pour un véhicule

Publications (1)

Publication Number Publication Date
WO2020200456A1 true WO2020200456A1 (fr) 2020-10-08

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ID=66102088

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2019/058517 WO2020200456A1 (fr) 2019-04-04 2019-04-04 Dispositif de communication sans fil équipé d'un refroidissement à pompe à chaleur pour un véhicule

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6552903B2 (en) * 2000-05-27 2003-04-22 Mannesmann Vdo Ag Electronic module
US20140163814A1 (en) * 2012-12-12 2014-06-12 Broadcom Corporation Apparatus, methods and computer program product for thermal management of user equipment coupled to a vehicle
US9967761B2 (en) * 2014-12-19 2018-05-08 Rohde & Schwarz Gmbh & Co. Kg Measurement housing for a communication device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6552903B2 (en) * 2000-05-27 2003-04-22 Mannesmann Vdo Ag Electronic module
US20140163814A1 (en) * 2012-12-12 2014-06-12 Broadcom Corporation Apparatus, methods and computer program product for thermal management of user equipment coupled to a vehicle
US9967761B2 (en) * 2014-12-19 2018-05-08 Rohde & Schwarz Gmbh & Co. Kg Measurement housing for a communication device

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