EP3853100A1 - Châssis de poussette et poussette - Google Patents
Châssis de poussette et poussetteInfo
- Publication number
- EP3853100A1 EP3853100A1 EP19772996.5A EP19772996A EP3853100A1 EP 3853100 A1 EP3853100 A1 EP 3853100A1 EP 19772996 A EP19772996 A EP 19772996A EP 3853100 A1 EP3853100 A1 EP 3853100A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- stroller frame
- stroller
- motor
- force
- component
- 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
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
- B62B7/062—Coupling unit between front wheels, rear wheels and handle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/0026—Propulsion aids
- B62B5/0033—Electric motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/0026—Propulsion aids
- B62B5/0069—Control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2206/00—Adjustable or convertible hand-propelled vehicles or sledges
- B62B2206/003—Adjustable or convertible hand-propelled vehicles or sledges with actuation mechanisms which drive the adjustment or conversion operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/0026—Propulsion aids
- B62B5/0033—Electric motors
- B62B5/0056—Energy recuperation
Definitions
- the invention relates to a motorized stroller frame and a
- This object is achieved in particular by a stroller frame according to claim 1.
- a stroller frame comprising at least one motor (in particular an electric motor) for (preferably
- Adjustment device for adjustment (in particular moving and / or
- Stroller frame e.g. at least one frame part, in particular slide or slide section
- at least one coupling device preferably comprising or forming a, in particular electrical or electronic, switching device
- a key concept of the invention is that which is provided in any case for adjusting an adjustable component of the stroller frame
- Adjustment device such as a device for adjusting a slide position, e.g. a slide length and / or an angle between individual slide components
- a slide position e.g. a slide length and / or an angle between individual slide components
- Stroller frame in particular as described above and / or further below, comprising at least one motor, in particular an electric motor, for preferably supportingly driving the stroller frame, at least one adjusting device for adjusting, in particular shifting and / or pivoting, at least one adjustable component of the
- Stroller frame between at least two different positions, and at least one sliding contact between the adjustable component of the stroller frame and another component of the stroller frame, with the sliding contact preferably realizing at least in a first and / or a third position of the adjustable component and possibly in at least one second position Contacting is not realized.
- a third position does not have to mean that a second position can also be taken, but initially only serves to delimit the different positions conceptually.
- the sliding contact can be designed so that an electrical
- the sliding contact can be designed in such a way that electrical contact is provided in all (possible) positions or in such a way that no electrical contact is formed in at least one position
- electrical contacting can be made possible for at least two or at least four or a continuum of different relative positions or orientations and / or an interruption of the contacting for at least two or at least four or a continuum of different positions or
- the stroller frame or the stroller preferably comprises at least one (first) control device for controlling, in particular regulating, an output of the at least one motor and / or a speed of the stroller or stroller frame.
- controlling a power or changing a drive power can also mean a reduction to zero, i.e. that possibly
- taxes in particular rules, can be understood to mean that at least two, preferably at least three, possibly at least five different values of the respective parameter (e.g. performance values) are adjustable or can be set.
- a pram for example a pram, buggy or similar vehicle for children, comprising a pram frame of the above type.
- the pram frame can be designed separately or separably from a receiving unit for the child.
- the above-mentioned object is further achieved by using an adjusting device for adjusting, in particular moving and / or
- Stroller frame in particular of the type described above or below, or a stroller, in particular of the type described above or described below, from a first position to a second position, for controlling a (potential or maximum possible) drive power of at least one motor.
- Adjustment device for adjusting, in particular moving and / or
- Stroller frame or stroller from a first position to a second position, changed, in particular reduced.
- functional features of the stroller frame or stroller are described further above and below, these should be understood such that a corresponding method step can be carried out.
- the corresponding device features (such as, for example, adjusting device) are not necessarily decisive in terms of the process, but rather the process steps as such (for example, the adjustment or the adjustment process).
- corresponding device features (such as for example a sliding contact), as described above and below.
- the stroller frame or stroller can comprise at least one battery, in particular an accumulator.
- a device can be provided to charge the accumulator when braking.
- a circuit which comprises a drive unit (motor) and a battery (accumulator) can be opened or closed by (preferably a single, in particular manual) actuation of the stroller user.
- a (manual) actuation can be, for example, inserting an upper slide section into a lower slide section.
- Such an operation is usually associated with the intention to bring the stroller (or the stroller frame) into a rest or intermediate position. This means that switching off or switching off (or transferring to idle) then takes place with comparatively little effort
- a potential drive power of the at least one motor is to be understood in particular to mean the power that the motor can deliver (maximum) when the first position or the second position is present.
- the actual drive power may be the same in the first position as well as in the second position while the child seat is in use, or it may be zero (for example, if the power is controlled on the basis of another influencing variable, such as a corresponding, possibly second, control device) , in particular regulated, is).
- another influencing variable such as a corresponding, possibly second, control device
- the drive power of the at least one motor in the first position is always different from the second position, that is to say the first or second position directly influences the drive power of the at least one motor
- the adjusting device and the coupling device can be formed by separate parts (assemblies) or (at least partially) by a common part / element or common parts / elements (the same
- An adjustment device is to be understood in particular as a device which makes it possible to change two components of the stroller frame (for example two frame parts, or a braking device and a further component, in particular a wheel) with regard to their relative position and / or relative orientation. Adjustment can include, in particular, moving (preferably pushing together), possibly telescopically, and / or pivoting, in particular folding.
- the respective (first or second) position is preferably different configurations of the adjustable component, in which it remains at least essentially the same in terms of space and geometry or does not change its structure. However, there may also be a change in the structure of the adjustable component
- the adjustment preferably already has a function in itself (in particular a change in a position of two components of the child seat relative to one another) and is (only) used for the change in the drive power.
- the adjustment is to be understood in particular as an adjustment in which at least one point is adjustable
- Component relative to at least one point of the stroller frame or stroller outside the adjustable component by at least 2 cm, preferably at least 5 cm, further preferably at least 8 cm from its starting point.
- a coupling device is to be understood as a device which can bring the adjustment process or the adjustment device into active connection with the motor (indirectly or directly).
- the coupling device can be designed mechanically and / or electrically and / or electronically (for example).
- the coupling device particularly preferably comprises a switching device, in particular a component for (selectively) interrupting a device which supplies the at least one motor with electrical energy Circuit. Overall, a (maximum) drive power of the at least one motor is made possible in a simple manner.
- An adjustable component of the stroller frame is to be understood in particular as a functional component that fulfills a predetermined function, such as in particular a supporting function or a braking function.
- the adjustable component is in particular not a (pure) actuation switch (e.g. not a pure on / off switch).
- Functional position in which the stroller frame can be operated in a rest or transport position (in which the stroller frame is folded) can be used to switch off the motor (or at least to reduce the maximum possible power, in particular to bring the motor to idle) ).
- the adjustment device is, in particular, a device that can be operated manually directly or indirectly.
- a (single) manual actuation is particularly preferably sufficient to actuate the adjusting device.
- the coupling device is preferably configured in such a way that an adjustment by the adjustment device (in particular an at least partial adjustment device)
- Stroller frame will result in the engine being switched off or in an idle state. As a result, driving / support by the motor can be prevented or blocked in a simple manner.
- the coupling device is configured such that a power supply for the motor is adjusted by means of the
- Adjusting device is interruptible or interrupted and / or can be manufactured or manufactured. For this purpose, for example, at least one sliding contact
- the adjusting device can be used to adjust, in particular shorten and (partially) fold a frame and / or a frame part, in particular a slide and / or a slide component. Under a (partial)
- Collapsing is a further reduction of an angle between the two elements in question, preferably by at least 10 °
- Frame part can be, for example, the slide or a
- the adjusting device can be designed to adjust a braking device, in particular a parking brake. It can then be achieved, for example, that the actuation of a braking device (parking brake) has the result that the (potential) power of the engine is throttled or brought to zero or the engine is (completely) switched off.
- a braking device in particular a parking brake.
- a sensor device can be provided which detects whether the braking device (parking brake) is actuated.
- Sensor device can also (optionally) be used for setting a weighing function.
- a weighing function can only be started when the brake device (parking brake) is actuated. Even if no weighing function is provided (which can optionally be the case), it is advantageous if the output of the engine is reduced accordingly (or the engine is only idling or is switched off), in particular a (physical) separation of a circuit is realized when the braking device (parking brake) is activated.
- a (e.g. electronic) control device can be configured such that a
- the braking device (parking brake) is preferably at least
- the braking device (parking brake) can be in (physical) contact with at least one Wheel and / or at least one axis of the stroller frame or
- the braking device can be a deceleration brake or a friction brake (e.g. block, rim, disc or drum brake) or preferably a parking brake (which locks the position of at least one wheel in relation to the frame or the rotation of at least one wheel blocked in relation to the frame).
- a deceleration brake e.g. block, rim, disc or drum brake
- a parking brake which locks the position of at least one wheel in relation to the frame or the rotation of at least one wheel blocked in relation to the frame.
- the braking device can act on a surface of the respective wheel (e.g. on a rim) or act on a hub.
- the adjusting device for adjusting a braking device in particular a parking brake, can be designed without a force sensor device.
- the adjustment device be any (any)
- Adjustment device for adjusting the adjustable components of the
- Stroller frame from a first position to a second position, but not an adjustment device for adjusting a braking device.
- the adjustment preferably comprises one (or consists of one)
- Relative movement of the adjustable component (relative to another component or a main body of the stroller frame against which the adjustable component is adjusted) of at least 3 cm, preferably at least 8 cm. Under a relative movement is a movement of the adjustable component (relative to another component or a main body of the stroller frame against which the adjustable component is adjusted) of at least 3 cm, preferably at least 8 cm. Under a relative movement is a movement of the adjustable component (relative to another component or a main body of the stroller frame against which the adjustable component is adjusted) of at least 3 cm, preferably at least 8 cm. Under a relative movement is a movement of the
- adjustable component to understand the other component, in particular the main body, of the stroller frame, that is, not (necessarily) a movement relative to a fixed reference point.
- the adjustable component moves and still another component with respect to which the adjustable component is adjusted.
- the further component can also remain immobile during the adjustment of the adjustable component (in relation to a fixed reference point or a main body of the stroller frame).
- the adjustment can be a (relative) rotation of the adjustable component over an angle of at least 20 °, if necessary
- the adjustable component on the one hand, and the other component (against which the adjustable component is adjusted), on the other hand, can be both
- the adjustment comprises a shortening (or
- the stroller can be shortened and / or reduced by at least 5%, preferably at least 20%.
- the stroller frame or stroller in particular the coupling device, comprises at least one
- a first sliding contact can be located, for example, in a first section, in particular the upper slide section (and / or in a wheel strut section, for example rear wheel strut section and / or
- a second sliding contact in a second section in particular lower slide section (and / or in a, possibly further, wheel strut section, e.g. rear wheel strut section and / or front wheel strut section and / or in / the joint ).
- the sliding contacts can either make a contact (for example if the upper slide section is further away from the lower slide section or are extended) or interrupt a contact (for example if the first section , in particular upper slide section closer to the second section, in particular lower slide section or at least partially inserted therein).
- At least one sliding contact possibly exactly one
- Sliding contact of a pair of corresponding sliding contacts can be movable and / or spring-loaded, for example in the form of one or more spring contact pins.
- at least one sliding contact can be fixed (immobile) on the corresponding slide section be arranged (anchored).
- a sliding contact can be fixedly arranged on the second section, in particular the lower slide section
- corresponding direction of movement at an angle of at least 30 °, preferably (at least approximately) 90 ° with respect to an axial direction (possibly direction of movement) of the corresponding section (for example slide section) on which the contact is arranged.
- the embodiments with sliding contacts between two sections, in particular frame parts allow simple implementation of a contact between two parts which are movable relative to one another with a small installation space, the susceptibility to errors and faults being comparatively low.
- the sliding contact ensures self-cleaning of the contact surfaces, so that the functionality fails due to contamination at least less
- the coupling device can comprise at least one plug contact.
- the coupling device can comprise at least one plug contact. For example, on one of two
- Slider sections a plug-in recess and the other slider section a plug-in projection can be arranged (or at least be connected to the corresponding slider section, possibly permanently, for example via a cable and / or a rod). This allows a circuit to be interrupted or closed in a simple manner.
- the coupling device can comprise at least one (pull) cable and / or at least one (pull and / or push) rod.
- the coupling device can comprise at least one (pull) cable and / or at least one (pull and / or push) rod.
- a (flexible) cable can be used to connect two components (e.g. frame parts, in particular, which can be pivoted)
- Slider sections and wheel strut to be used in such a way that pivoting (e.g. at least partially folding) releases a contact (thereby that for example, a plug-in projection is pulled out of a plug-in recess).
- a cable is preferably to be understood as a cable for transmitting a force and / or for transmitting an electrical current.
- the first position can be (based on the adjustable component)
- the functional position can be, in particular, a position in which a child can be accommodated in the stroller frame or stroller (in the case of the stroller frame, at least if a corresponding receiving unit for the child is integrated).
- the functional position can be a position in which the braking device (parking brake) is released, that is to say the stroller frame is ready to drive in this sense.
- the second position can be a rest position, in particular storage, parking, blocking and / or
- the second position can be distinguished from the first position in that an angle between (the) against each other
- adjustable components in the second position is smaller and / or the two adjusted components are brought closer to one another and / or (at least partially) are pushed into one another.
- a storage position is to be understood in particular as a position in which the stroller frame can be stowed in a space-saving manner, but no child (any longer) in the stroller frame (even if a corresponding one
- the stroller frame may no longer be stable (on the wheels) (but will fall over if it is not actively held by the user).
- a parking position can be a position in which the
- the stroller frame is configured comparatively compact, but the stroller frame is always can still stand (stable; on its wheels) (without being actively held by a user). In the park position, however, it is preferably no longer possible for a child to be admitted (even if an appropriate admission unit is present). With an intermediate position it can turn
- the functional position preferably act as an intermediate position (which may or may not be locked or non-locked or lockable) between the functional position and the corresponding rest position (which can then also be referred to as the end position).
- the first and / or second and / or further position (s) can be designed to be locked or lockable.
- the first and / or second and / or further position (s) can be stably occupied (in particular locked).
- Steady assumption of the respective position is to be understood in particular to mean that the position is held (even if, or at least if there is no external force other than the weight) (that is, for example, it is not driven back).
- a spring device can prevent, for example, that a certain position can be assumed to be stable (at least as long as no further devices, such as locking devices, for example)
- Adjustment device comprise at least one spring device or can also be designed without a spring device.
- the stroller frame can have at least one
- the force sensor device is preferably for detecting a direction and / or an amount of a force and / or a force component that acts on a / the slide, and / or for detecting a quantity derived from this force or force component (for example a torque ), in particular a temporal change in the force or force component or variable derived from the force.
- the slide is preferably formed in one piece (possibly with individual parts that can be moved relative to one another).
- the slide can in particular have a horizontal handle. Alternatively, the slide can also be in several pieces (e.g.
- a force sensor device can be provided which detects either the direction or the amount (or both) of a force and / or a force component (or a variable derived from this force or force component). This enables a corresponding control to take place based on the output of the sensor device.
- Output of a sensor device is to be understood in particular as the output of a measured value and / or the output of an average value from a plurality of measured values.
- the control can then internally (by a control device provided on or in the stroller frame) and / or externally by a separate one
- Control device (such as a mobile terminal, in particular
- the stroller frame (or the corresponding stroller) itself has a control device.
- the measurement of an amount is in particular the measurement of at least one concrete amount (e.g. as a concrete value of xy Newton) or at least the measurement of whether the force / force component has an amount that is above (or possibly to) or below (or possibly on) one
- at least one concrete amount e.g. as a concrete value of xy Newton
- At least two different force directions (for example forward and backward and / or up and down) can be determined and, if necessary, their amount can be determined or at least four directions (for example forward, backward, up and down) ) ascertainable and, if necessary, determinable with regard to your amount.
- At least two can be with the force sensor device Different amounts (> 0), preferably at least four different amounts, for example a continuum of amounts of force (or force component or quantity derived therefrom) are recorded.
- a force sensor device provides information in a simple manner, which can advantageously be used to control the motor for driving the stroller or the stroller frame.
- motors in particular electric motors, can optionally be provided for driving the stroller frame.
- at least two or exactly two wheels for example a left and a right wheel or
- Control of the motors can be provided.
- a sensor device for detecting a pushing force and / or movement of the stroller frame can be provided.
- the sliding comfort can be improved, in particular when cornering, without having to take complex measures (such as, for example, with only one motor with a differential gear).
- Pushing force in particular, actions or forces are understood that can be directed both forward and backward (even if one can also speak of pulling or pulling force in the latter).
- Context that the direction is predetermined (such as with a
- the at least one (force) sensor device can be on and / or in the
- Slider in particular a handle of the slider, and / or be arranged in and / or near a slider fastening area.
- a slide fastening area is to be understood in particular as an area on which the slider is attached to a main body of the stroller gesture.
- a method for controlling a stroller frame in particular of the type described above (and below) or one
- Force component acting on a slide and / or a variable derived from this force or force component, in particular a change in the force or force component over time, is recorded.
- the at least one control device is preferably in operative connection with the at least one (force) sensor device, in particular in such a way that an output of the at least one sensor is used to control the at least one motor. This enables simple and reliable detection of the force (or other quantity, such as the current movement).
- this detection can take place on a first (for example left) and a second (for example right) side of the slide, in particular a first (for example left) and a second (for example right) side a handle and / or on two different, in particular laterally arranged, handles.
- a left or right side this means in particular a left or right side which results from the line of sight of the person operating the stroller frame or the stroller.
- the sensor device is designed to have force components in the direction of movement and / or counter to the Direction of movement (each horizontal) and / or up and / or down (each vertical) to be determined.
- corresponding components of a time derivative (or a time change) are designed to have force components in the direction of movement and / or counter to the Direction of movement (each horizontal) and / or up and / or down (each vertical) to be determined.
- Control device be designed so that the corresponding
- a drive wheel (or correspondingly assigned motor) can be controlled depending on the force that is present on its side (and / or the change over time of this force) and / or on the force (and / or its change over time) that is on the other
- the / a control device is preferably for control and / or
- the / a control device can be designed such that at least one engine is started when a first threshold of the force and / or force component and / or the quantity derived therefrom is exceeded.
- Starting the engine means in particular that the engine provides power to drive the stroller frame. In this sense, turning the engine on (which then runs at idle, for example) is not yet a start. Starting may, however, also mean the motor being switched on for the first time (power supply).
- the control device can be designed such that at least one motor when a second threshold of the force and / or is exceeded
- Stopping the engine means in particular placing the engine in a state in which it is in the state
- the engine may continue to run (for example, when idling). However, it can also be switched off permanently
- the amount of the second threshold can be greater than the first threshold.
- a change in time can basically be understood to mean the time derivative of the force (or force component) (in the mathematical sense). However, a change over time can also be understood as DE / M (with finite non-infinitesimal AT in the range from, for example, 100 milliseconds to 1 second).
- the respective or at least one control device is preferably a control device, in particular a control device for continuous (possibly linear) control of the power of the at least one motor, preferably a PID control device (PID stands for proportionally integrally derivative).
- a control device for continuous (possibly linear) control of the power of the at least one motor, preferably a PID control device (PID stands for proportionally integrally derivative).
- PID proportionally integrally derivative
- At least one braking device is preferred, in particular
- Deceleration brake device and / or parking brake device provided.
- the deceleration braking device is preferably designed to use kinetic energy of the stroller frame or stroller (with child) to brake (and in particular to convert it into electrical energy).
- a / the control device can be provided and such
- the parking brake device automatically after a predetermined time, preferably between 3 seconds and 5 minutes
- a / the control device can be provided and designed such that the parking brake device automatically after reaching a standstill or a comparatively low level
- the braking device can in particular be designed in two stages,
- both a deceleration brake (service brake) as also a parking brake to lock a parking position preferably such that both a deceleration brake (service brake) as also a parking brake to lock a parking position (if the
- the deceleration brake can be designed such that the stroller is braked by friction (on one or more wheels) (using kinetic energy in heat
- At least one motor can preferably be used as a generator to brake the stroller (kinetic energy being converted into electrical energy, which in turn can be used to charge one or more batteries).
- Any actuation device can be provided for the deceleration brake, for example a lever that can be actuated by hand or finger (on the slide or handle) or another
- a graphical user interface e.g. display, in particular touchscreen
- an external device e.g. a smartphone with a corresponding app.
- the actuator or receiver
- the deceleration brake may be connected to the deceleration brake (by suitable means) to actuate the deceleration brake, i.e. to apply the braking force desired by the user (which can be zero or greater than zero, in particular more than 2 or more than 5 different values greater than zero).
- the deceleration brake can act as long as the
- Actuating device is operated, or until the stroller is stopped completely and then the parking brake may apply.
- the parking brake can be designed as a lock that prevents one or more wheels from rotating.
- the parking brake can comprise a pin which interacts with stores or locking devices (for example grooves) which are provided in a side surface of the wheel.
- the parking brake can optionally (automatically) be activated immediately after or a predetermined time after the stroller frame or stroller has been stopped, in particular by the deceleration brake.
- the at least one parking brake device can (only) be activated electrically or electronically and (only) can be released manually.
- the parking brake device can be pretensioned in a released state and not pretensioned or (only) less pretensioned in an activated state. These measures improve safety during operation.
- the parking brake can be actuated in various ways, for example via a switch, e.g. B. slide switch or pressure switch or a foot pedal or the like.
- a switch e.g. B. slide switch or pressure switch or a foot pedal or the like.
- a / the sensor device in particular the force sensor device can be provided and the / a control device can be designed such that at least one braking device, in particular the
- Deceleration brake device and / or the parking brake device is activated when a person operating the stroller makes contact, e.g. B. on the hand and the handle, triggers.
- the deceleration brake is activated with increased (maximum) force and / or the parking brake is activated (emergency braking) if it is determined that the person operating the stroller is no longer in contact with the stroller and the stroller is still moving.
- control device is designed such that the braking device is activated when the force sensor device detects a force that is directed (at least partially) against the current direction of movement of the stroller frame.
- motor support can be provided in such a case, as described above.
- the motor is preferably used as a current generator in the event of braking.
- At least one display or signaling device can be provided which notifies the user of the stroller frame that motor support is or may be present. If necessary, a first display or
- Indicate signal device that motor support is currently available, and a second display or signal device indicate that motor support may be present, in the sense that depending on other parameters (for example a maximum speed or the like) either motor support is present or (if the
- the stroller frame is configured in such a way that the motor can be controlled and possibly regulated depending on the rotation of at least one wheel.
- a control in particular regulation of a motor
- the wheels (in addition to the force applied to the slide) depend on whether the wheels (or at least one wheel) rotate (rotate). Preferably, no support should be provided even when the force is applied (or a force threshold is exceeded) if the wheels do not rotate.
- An A / D converter device is preferably provided which is configured to digitize an analog signal detected by the sensor device and which is preferably connected upstream of the sensor device.
- the sensor device (arranged in the slide) can detect an analog signal. This can be digitized (if necessary directly or without intermediate processing) after the acquisition (A / D converter) and preferably only then passed on to the engine or a control device for controlling / regulating the engine. It can advantageously be taken into account that the sensor device may only generate comparatively small voltage differences and that the digital signal is less susceptible to interference
- a microcontroller can be placed in the slide (in particular in or in close proximity to) the sensors, which carries out an A / D conversion, of which the digital signal, if appropriate, together with identification information, in particular a check digit (or a check digit block), to the actual controller (s)
- Control device (s)) of the motor possibly several motors (e.g. on the axis). Identification can take place there, in particular one
- a / the control device of the stroller or stroller frame can be configured so that on the stroller
- Weighing function is switched on when there is no pushing force or a corresponding force threshold is undershot.
- the stroller or the stroller frame can provide comfortable support when pushing (or pulling) the stroller.
- Components of the pushing or pulling force are greater than zero.
- the motor can begin to assist the user (with minimal power). For example, if the horizontal component of pushing or pulling force continues to increase (ie AF inh / At> 0), the support force will also increase (ie AF inh / At> 0).
- the horizontal component of the force can (essentially) be kept constant at the predefined force (at least if one does not take overshoot into account).
- a stroller frame with a sensor device on the slider and an adjustment device for the slider can be provided, the stroller frame also having a
- Coupling device contains.
- the coupling device can be configured such that the sensor device is integrated in the circuit for motor control in a use position of the slide and in one
- the change (reduction) of the drive power can then, for. B. done by an electronic circuit that allows support drive when a sensor output signal is present and does not allow support drive in the absence of a sensor output signal.
- FIG. 1 shows a schematic side view of an embodiment of a stroller according to the invention in a first position
- FIG. 2 shows the stroller according to FIG. 1 in a second position
- FIG. 3 shows a schematic side view of a further embodiment of the pushchair according to the invention in a first position
- FIG. 4 shows the stroller according to FIG. 3 in a second position
- Fig. 5 shows a detail of a schematic side view of another
- Fig. 6 shows the detail of FIG. 5 in a second position.
- Fig. 1 shows a schematic side view of an embodiment of a
- Stroller according to the invention in a first position.
- the stroller frame has at least one fastening device 10 in order to receive a receiving unit (not shown) for the receiving unit of a child (for example a carrying shell).
- a receiving unit for the receiving unit of a child (for example a carrying shell).
- This also includes
- a stroller frame has a frame 11, which in turn has at least one upper slide section 12 (preferably comprising a sliding handle), at least one lower slide section (push shaft) 13, at least one, preferably two, front wheel strut (s) 14 and at least one,
- preferably two, rear wheel strut (s) 15 comprises. At the respective
- Front wheel struts 14, a front wheel 16 is arranged on the respective
- Rear wheel strut 15 a rear wheel 17 is arranged. At least one rear wheel 17 can be blocked by means of a parking brake 18. Furthermore, at least one rear wheel 17 (preferably both rear wheels 17 in each case) is assigned a motor 19 which can drive the (corresponding) rear wheel. To the
- the upper slide section 12 is displaceable relative to the lower slide section 13 by means of an (here telescopic) adjusting device 20.
- a first contact 22 of an (here electrical) coupling device 21 arranged on the upper slide section is either (as in FIG. 1) in contact with a second contact 23 arranged on the lower slide section 13 or not (as in FIG. 2) .
- connecting cable 24 can be supplied with electrical current.
- the (respective) lower slide section 13 (optional) is connected to the respective front wheel strut or via a rotatable joint 25
- the first contact 22 can be a movable, possibly
- the contact 23 is a fixed contact (or vice versa).
- the first contact 22 can be made shorter, the same length or longer than the second contact 23, for example less than 0.5 times, preferably less than 0.2 times or more than 1.2 times, preferably more than 1, 8 times as long as the second contact.
- first and second contacts 22, 23 can form a sliding contact, in particular make an electrical contact via a displacement path of at least 2 cm, preferably at least 5 cm.
- Fig. 1 it is preferably a functional or use position (use position) in which the stroller or
- FIG. 2 preferably shows an intermediate or rest position in which an energy supply to the motor is preferably interrupted.
- the upper slide section is preferably so far inserted (or pulled out) until the two contacts 22, 23 each other
- 3 and 4 show an alternative embodiment of a
- the upper slide section 12 is connected to a cable 26 (shown in dashed lines; possibly electrically conductive). In the position according to FIG. 3
- this cable 26 is in turn connected to an (electrically conductive) cable 27, specifically via a
- Plug connection 28 of a coupling device 21 can be connected to a plug device at the end 26 facing the cable 26 and the cable 26 can be connected to a plug receptacle at its facing end (and / or vice versa). 4 then shows the stroller or the stroller frame in an intermediate or storage position with a decoupled plug device.
- Adjustment device 20 decouples plug connection 28, which is in engagement in the functional position (use position), so that the circuit is interrupted in the intermediate or storage position.
- the plug connection 28 closes again by unfolding.
- Slider section in the event of a shift and / or (partially) wound or be wound.
- at least one deflection roller can be provided.
- the coupling unit 21 comprises a (preferably spring-mounted) switching unit 29 is provided, which can be interrupted via a (non-electrically conductive) interruption projection (contact pin) 30. If the interruption projection 30 (as can be seen in FIG. 6) is displaced into or in the direction of the switching unit 29 (by moving the upper slide section relative to the lower slide section by means of the adjusting device 20), it interrupts a switch 31 there.
- the switch 31 can be switched here be designed in the manner of a swing door and (in FIG. 6) are displaced by the interruption projection 30, so that a circuit
- FIG. 7 shows a schematic illustration of an upper slide section 12 and a lower slide section 13, to which corresponding contacts, namely a second contact 23 and a first contact 22, are assigned.
- a total of a sliding contact is realized via the contacts 22, 23.
- the first contact 22 can be biased by a spring which (here:
- Displacement a (grinding) contacting can be made.
- a sliding contact is shown as an example for contacts 22, 23 on the slide sections 12, 13.
- a corresponding sliding contact can, however, also be implemented on any other (adjustable) components (such as a front wheel strut, a rear wheel strut or a joint or on a braking device).
- the upper sliding section and lower sliding section can also be exchanged in FIG. 7 (so that, for example, the spring-loaded contact 22 is arranged on the upper slide 12).
- FIG. 7 which are identified by the reference numerals 12 and 13 can be (any) adjustable components.
- the component at reference number 12 or the component at reference number 13 or both are adjustable (relative to one another).
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
- Handcart (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202018105345.0U DE202018105345U1 (de) | 2018-09-18 | 2018-09-18 | Kinderwagengestell und Kinderwagen |
PCT/EP2019/074039 WO2020058029A1 (fr) | 2018-09-18 | 2019-09-10 | Châssis de poussette et poussette |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3853100A1 true EP3853100A1 (fr) | 2021-07-28 |
Family
ID=67999606
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19772996.5A Pending EP3853100A1 (fr) | 2018-09-18 | 2019-09-10 | Châssis de poussette et poussette |
Country Status (7)
Country | Link |
---|---|
US (1) | US11485398B2 (fr) |
EP (1) | EP3853100A1 (fr) |
JP (1) | JP7439060B2 (fr) |
KR (1) | KR20210060553A (fr) |
CN (1) | CN112912300B (fr) |
DE (1) | DE202018105345U1 (fr) |
WO (1) | WO2020058029A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202018105345U1 (de) | 2018-09-18 | 2019-12-19 | Cybex Gmbh | Kinderwagengestell und Kinderwagen |
DE102021120796A1 (de) | 2021-08-10 | 2023-02-16 | Cybex Gmbh | Kinderwagen, Gestell und Verfahren zum automatischen Schaukeln |
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DE202007008851U1 (de) * | 2007-06-25 | 2008-10-30 | Brodda-Sikora, Ines | Akku-Kinderwagen |
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DE102018202711A1 (de) * | 2018-02-22 | 2019-08-22 | Robert Bosch Gmbh | Transportvorrichtung sowie Verfahren |
US10763767B2 (en) * | 2018-08-14 | 2020-09-01 | Joseph A. French | Direct shaft power generation and monitoring system |
DE202018105345U1 (de) | 2018-09-18 | 2019-12-19 | Cybex Gmbh | Kinderwagengestell und Kinderwagen |
-
2018
- 2018-09-18 DE DE202018105345.0U patent/DE202018105345U1/de active Active
-
2019
- 2019-09-10 JP JP2021514583A patent/JP7439060B2/ja active Active
- 2019-09-10 EP EP19772996.5A patent/EP3853100A1/fr active Pending
- 2019-09-10 KR KR1020217011193A patent/KR20210060553A/ko active Search and Examination
- 2019-09-10 US US17/277,656 patent/US11485398B2/en active Active
- 2019-09-10 WO PCT/EP2019/074039 patent/WO2020058029A1/fr unknown
- 2019-09-10 CN CN201980070081.3A patent/CN112912300B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
US11485398B2 (en) | 2022-11-01 |
KR20210060553A (ko) | 2021-05-26 |
CN112912300A (zh) | 2021-06-04 |
JP7439060B2 (ja) | 2024-02-27 |
WO2020058029A1 (fr) | 2020-03-26 |
JP2022500302A (ja) | 2022-01-04 |
US20210347402A1 (en) | 2021-11-11 |
DE202018105345U1 (de) | 2019-12-19 |
CN112912300B (zh) | 2023-11-03 |
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