EP3841002A1 - Caravane - Google Patents

Caravane

Info

Publication number
EP3841002A1
EP3841002A1 EP19762102.2A EP19762102A EP3841002A1 EP 3841002 A1 EP3841002 A1 EP 3841002A1 EP 19762102 A EP19762102 A EP 19762102A EP 3841002 A1 EP3841002 A1 EP 3841002A1
Authority
EP
European Patent Office
Prior art keywords
battery
caravan
vehicle
caravan according
beams
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
Application number
EP19762102.2A
Other languages
German (de)
English (en)
Inventor
Ria Kaiser
Ole Kasten
Mathis WULF
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Erwin Hymer Group SE
Original Assignee
Hymer Business Development GmbH
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 Hymer Business Development GmbH filed Critical Hymer Business Development GmbH
Publication of EP3841002A1 publication Critical patent/EP3841002A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D59/00—Trailers with driven ground wheels or the like
    • B62D59/04—Trailers with driven ground wheels or the like driven from propulsion unit on trailer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/66—Arrangements of batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D63/00—Motor vehicles or trailers not otherwise provided for
    • B62D63/06—Trailers
    • B62D63/062—Trailers with one axle or two wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D63/00—Motor vehicles or trailers not otherwise provided for
    • B62D63/06—Trailers
    • B62D63/08—Component parts or accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
    • B60K2001/0438—Arrangement under the floor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00—Type of vehicles
    • B60L2200/28—Trailers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Definitions

  • the invention relates to a caravan according to the preamble of claim 1
  • a caravan or caravan is a trailer for a motor vehicle, in which a suitable device for the living and staying of people is installed.
  • Such a caravan is traditionally pulled by the towing vehicle in road traffic as a trailer without any own drive.
  • it is a single-axle trailer or a trailer with one
  • Hybrid vehicles are increasingly being used as motor vehicles, the drive of which consists of a combination of an internal combustion engine with an electric drive.
  • the electric drive can be used in such a way that it acts in addition to the internal combustion engine and is switched on when increased power is required in acceleration phases or when driving up a slope.
  • the electric drive draws its energy from an electrical energy store, in particular a battery, which is charged during a smooth ferry operation or during regenerative braking.
  • Electric vehicle a noticeable reduction in range and this can lead to the fact that the required additional power of the electric drive is not available for long enough in hybrid vehicles because the battery is exhausted.
  • caravans Due to their high construction, caravans naturally have a large air resistance and therefore cause a noticeably higher fuel or
  • trailers It is known in the prior art for other trailers to equip them with a battery or energy supply unit for generating electricity in order to supply the pulling vehicle with energy or to contribute to propulsion via driven wheels of the trailer.
  • a battery or energy supply unit for generating electricity in order to supply the pulling vehicle with energy or to contribute to propulsion via driven wheels of the trailer.
  • trailers are also referred to as range extenders to increase the range.
  • range extenders to increase the range.
  • trailers can significantly increase the range of long-distance electric vehicles.
  • Hybrid vehicle known in which an internal combustion engine with a generator generates electricity on the energy trailer. From DE 44 1 1 844 A1 a trailer with batteries is known, which are arranged above the trailer axle, as well as from EP 0 040 1 1 1 A1.
  • batteries are known for devices and devices in the home or for shunting drives with which a caravan can be moved into its position, for example on a campsite.
  • the size and capacity of these batteries is therefore not suitable for a driver drive during the
  • Modern batteries can be used as batteries for such trailers, which can be referred to as high-performance batteries and which have a higher energy density in relation to lead batteries in terms of weight and / or volume. This is above and outside the corresponding values of the lead batteries.
  • these are, for example, nickel-hydrogen, nickel-iron, nickel-zinc, nickel-metal hydride and silver-zinc as well as sodium-nickel chloride and sodium-sulfur batteries.
  • Lithium ion batteries are the most widely used. With regard to a caravan, it is important for such batteries to arrange them cheaply. An increase in the construction height should be avoided. Furthermore, it is desirable that the arrangement is advantageous in terms of the distribution of the center of gravity, since it is a single-axle trailer whose drawbar load on the
  • the present invention has for its object to provide a caravan with batteries to increase the range when pulling the caravan, in particular with hybrid or electric vehicles, with which the aforementioned disadvantages are avoided and which is advantageous and safe
  • the object is achieved in that in a caravan with a battery and an axle or a tandem axle, the battery for
  • the floor of the caravan corresponds to the interior floor on which the people walk.
  • the overall result is a very flat and low body, which does not require any additional body height compared to a conventional caravan and therefore does not increase the air resistance.
  • the battery is designed to provide electricity for an additional drive. If, for example, a conventional starter battery of a motor vehicle with an internal combustion engine has a maximum capacity of approximately 100 Ah and can thus theoretically store an energy of approximately 1.2 kWh at 12 V, the method shows Battery of the caravan according to the invention has a significantly higher energy density. This can be values of more than 50 kWh, for example. Using a suitable cable connection, this electricity can be used by a pulling electric vehicle
  • the focus of the caravan chassis is lower and there is an improvement in the dynamic driving behavior of the trailer.
  • the low center of gravity advantageously reduces the dynamic vertical load shift when accelerating and especially when braking.
  • the overall center of gravity of the caravan is even lower compared to a conventional one, since without the battery the overall center of gravity is relatively high.
  • the battery is flat and has a height approximately at the height of the chassis frame or
  • the battery can be an accumulator.
  • other electrical energy stores such as, for example, double-layer capacitors.
  • the battery is divided into a front battery and a rear battery, the axle or tandem axle being arranged between them.
  • a division into more than two partial batteries is also conceivable.
  • the result is smaller units that are easier to handle in production.
  • At least one cross member and / or at least one axle element can be arranged between the front battery and the rear battery.
  • Axle suspension elements that extend across the entire width of the caravan, such as a torsion tube
  • the front battery and the rear battery are advantageously positioned with respect to a pivot point of the caravan about its axis in such a way that there is a desired vertical load or a symmetrical weight distribution around the pivot point.
  • the center of gravity of the partial battery can be determined by the position and thus the lever arm relative to the contact point of the wheels of the caravan with a neutral or a desired load torque. This makes it possible to build specific
  • ballast such as weights, filled water tanks etc. It is conceivable that in the production of the caravan, depending on the structure and other circumstances, one or both batteries are mounted in a specific one of several possible positions. By avoiding ballast weights, unnecessary weight can be avoided and the permissible payload can be maximized.
  • the vehicle frame can consist of outer longitudinal beams running in the longitudinal direction of the vehicle and an inner frame made of in
  • the inner frame can consist of parallel standard profiles, in particular open profiles.
  • This parallel arrangement of the inner beams offers the possibility of providing standardized frames.
  • the battery or the sub-batteries can be variably inserted and screwed into this. In particular, this can also be used to react to the load distribution of the body of the caravan and to adapt the production for different models. The result is a larger one
  • the inner beams are advantageously connected at their front and rear ends to cross beams which are arranged between the outer longitudinal beams.
  • the inner beams and the inner frame have a reinforcing effect and the outer longitudinal beams of the vehicle frame can be designed more easily.
  • the floor of the caravan on which people walk and run can also be laid out more easily, since there are only shorter unsupported lengths.
  • One or more cross members can be arranged in front of and / or behind the battery or battery parts.
  • a suspension of the battery can be achieved by providing a cross member on the front and rear of each sub-battery. In this alternative embodiment, no inner support is required and the battery is held and mounted on the cross supports alone.
  • the battery can be a high-performance battery, in particular a lithium-ion accumulator.
  • the wheels of the caravan can have electric drive motors which can be supplied with electricity from the battery.
  • FIG. 1 shows a vehicle frame 1 of a caravan according to the invention with the wheels 2 and a coupling head 3 and a support wheel 4.
  • the vehicle frame 1 has outer side members 5, between which inner members 6 are arranged, which are at their ends with cross members 7 with the outside Longitudinal beams 5 are connected and form an inner frame 8.
  • a battery 9 is arranged within the inner carrier 6 and is divided into a front battery 10 and a rear battery 11, between which a cross member 12 is arranged as an axis 13.
  • the center of gravity is advantageously shifted downward by the deep-lying battery 9. Due to the exact position with respect to the axis 13 of the front battery 10 and the rear battery 1 1, for example, a drawbar load on the coupling head 3 can be determined when the caravan is not loaded. In the event of an accident, the outer side members 5 and their distance from the
  • Inner carriers 6 the battery 9 from quick and severe damage.

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

Caravane comprenant une batterie et un essieu (13) ou un essieu tandem, dans laquelle la batterie (9) est conçue pour l'alimentation électrique d'un entraînement d'un véhicule tracteur et/ou d'un entraînement facultatif de la caravane lors d'un déplacement en remorque dans le trafic routier et disposée comme batterie plate (9) en dessous d'un fond de la caravane dans un châssis de véhicule (1), la hauteur de la batterie (9) correspondant essentiellement la hauteur du châssis de véhicule (1).
EP19762102.2A 2018-08-22 2019-08-22 Caravane Pending EP3841002A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018120528 2018-08-22
PCT/EP2019/072537 WO2020039053A1 (fr) 2018-08-22 2019-08-22 Caravane

Publications (1)

Publication Number Publication Date
EP3841002A1 true EP3841002A1 (fr) 2021-06-30

Family

ID=67810583

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19762102.2A Pending EP3841002A1 (fr) 2018-08-22 2019-08-22 Caravane

Country Status (4)

Country Link
US (1) US12240309B2 (fr)
EP (1) EP3841002A1 (fr)
DE (1) DE102019122673A1 (fr)
WO (1) WO2020039053A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3841002A1 (fr) * 2018-08-22 2021-06-30 HYMER Business Development GmbH Caravane
JP7655288B2 (ja) * 2022-08-26 2025-04-02 トヨタ自動車株式会社 トレーラ
CN115303385B (zh) * 2022-09-19 2023-12-26 河南卫特机器人有限公司 一种重载agv车辆

Citations (2)

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US20160318421A1 (en) * 2015-05-01 2016-11-03 Hyliion Inc. Motor vehicle accessory to increase power supply and reduce fuel requirements

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US20160318421A1 (en) * 2015-05-01 2016-11-03 Hyliion Inc. Motor vehicle accessory to increase power supply and reduce fuel requirements

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Title
See also references of WO2020039053A1 *

Also Published As

Publication number Publication date
US20220089010A1 (en) 2022-03-24
US12240309B2 (en) 2025-03-04
WO2020039053A1 (fr) 2020-02-27
DE102019122673A1 (de) 2020-02-27

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