WO2014198632A1 - Appareil de froid muni d'un module caméra - Google Patents

Appareil de froid muni d'un module caméra Download PDF

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Publication number
WO2014198632A1
WO2014198632A1 PCT/EP2014/061706 EP2014061706W WO2014198632A1 WO 2014198632 A1 WO2014198632 A1 WO 2014198632A1 EP 2014061706 W EP2014061706 W EP 2014061706W WO 2014198632 A1 WO2014198632 A1 WO 2014198632A1
Authority
WO
WIPO (PCT)
Prior art keywords
camera module
refrigeration
image data
camera
data bus
Prior art date
Application number
PCT/EP2014/061706
Other languages
German (de)
English (en)
Inventor
Gerhard Wetzl
Wolfgang Schramm
Jens Wichert
Original Assignee
BSH Bosch und Siemens Hausgeräte 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 BSH Bosch und Siemens Hausgeräte GmbH filed Critical BSH Bosch und Siemens Hausgeräte GmbH
Publication of WO2014198632A1 publication Critical patent/WO2014198632A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/36—Visual displays
    • F25D2400/361—Interactive visual displays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2500/00—Problems to be solved
    • F25D2500/06—Stock management
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/06—Sensors detecting the presence of a product
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/08—Sensors using Radio Frequency Identification [RFID]

Definitions

  • the present invention relates to a refrigerator with a camera module.
  • a refrigeration device which is a camera module for capturing image data of a refrigerated goods in a refrigeration compartment of the
  • Refrigeration device a processor device for processing the image data and a data bus for transmitting the image data from the camera module to the processor device.
  • a refrigeration device is in particular a household refrigeration appliance understood, ie a
  • Refrigeration appliance which is used for housekeeping in households or in the catering sector, and in particular serves food and / or drinks at certain
  • Store temperatures such as a refrigerator, a freezer, a fridge freezer, a freezer or a wine fridge.
  • the data bus is a serial data bus.
  • the technical advantage is achieved that a low cabling effort for connecting the camera modules arises.
  • the data bus is guided by a hinge in a door of the refrigeration device.
  • the technical advantage is achieved that the data bus is protected in the region of the hinge from damage.
  • the refrigeration device comprises a plurality of camera modules, which are connected to the data bus. This will be described below.
  • the technical advantage achieved that can produce multiple views of the goods to be cooled or monitor several cold shelves.
  • the camera module is assigned a unique address, via which the camera module by means of the data bus
  • the refrigeration device comprises the
  • Processor device an interface for transmitting the image data to an external network.
  • the interface is a wireless interface.
  • the technical advantage is achieved, for example, that the transmission is performed without a cabling effort.
  • the camera module comprises a compression device for compressing the image data.
  • Compression device is designed to convert the image data into a JPEG format.
  • the technical advantage is achieved that a particularly efficient conversion is used.
  • the camera module comprises a microcontroller.
  • Data bus a USB standard, a l2C standard, an SPI standard, or a CAN standard.
  • a USB standard a USB standard
  • a l2C standard a USB standard
  • an SPI standard a serial peripheral component interconnect standard
  • a CAN standard a USB standard
  • the technical advantage is achieved that especially reliable and appropriate standards are used for transmission on the data bus.
  • the camera module is designed to be supplied with electrical power via the data bus.
  • the refrigeration device comprises a controllable via the data bus illumination device.
  • the refrigeration device comprises a local distribution node for distributing data and control signals between the processor device and the camera modules.
  • the refrigeration device comprises a connection for electrically connecting the camera module to the data bus.
  • Fig. 1 is a schematic view of a refrigerator
  • 2A is a perspective view of a refrigeration compartment with two camera modules.
  • Fig. 2B is a front view of the refrigerating compartment
  • FIG. 3A is a perspective view of a refrigeration compartment with a camera module
  • Fig. 3B is a plan view of the refrigerating compartment
  • FIG. 4 shows a perspective view of a refrigeration compartment with a plurality of camera modules
  • Fig. 6 is a plan view and a side view of the refrigerating compartment in conjunction with a
  • Fig. 7 is a plan view of the refrigeration compartment when using the multiple
  • FIG. 8 shows a perspective view of a refrigeration compartment with a sensor mat
  • FIG. 9 is a view of a refrigerator with a data bus.
  • FIG. 10 shows a further view of a refrigerator with a data bus
  • 10A is a schematic view of an arrangement of the camera modules in a door
  • Fig. 1 1 is a schematic view of a data bus with distribution nodes
  • Fig. 12 is a view of a processor device
  • Fig. 13 images of refrigerated goods in the refrigeration compartment and an image analysis
  • FIG. 14 is a view of a camera module operating device with a
  • Fig. 15 is a schematic view of a refrigerator with a camera field in one
  • FIG. 1 shows a refrigerator representative of a refrigerator 100 with an upper and lower refrigerator door 1 1 1.
  • the refrigerator 100 is a stand-alone device (stand-alone device).
  • the refrigerator is used for example for cooling food and includes a refrigerant circuit with an evaporator, a compressor, a condenser and a throttle body.
  • the evaporator is a heat exchanger in which after expansion the liquid refrigerant is absorbed by heat absorption from the medium to be cooled, i. the air inside the refrigerator is evaporated.
  • the compressor is a mechanically operated component, the refrigerant vapor from the
  • Evaporator sucks and ejects at a higher pressure to the condenser.
  • Condenser is a heat exchanger in which, after compression, the vaporized refrigerant is released by heat release to an external cooling medium, i. the ambient air is liquefied.
  • the throttle body is a device for the continuous reduction of the pressure by cross-sectional constriction.
  • the refrigerant is a fluid used for heat transfer in the cryogenic system which absorbs heat at low temperatures and low pressure of the fluid and releases heat at higher temperature and pressure of the fluid, usually including changes in state of the fluid.
  • the refrigerator 100 includes the upper and lower door 1 1 1, which closes a refrigeration compartment inside the refrigerator 100.
  • the refrigeration device 100 includes a side wall 109.
  • an electronic camera module Inside the refrigeration device 100 is an electronic camera module, which is capable of refrigerated goods in the interior of the refrigeration device 100 by means of a single image
  • the camera module 101 may, for example, be adjustable, pivotable or adjustable by the customer.
  • FIG. 2A shows a perspective view of the refrigeration compartment 105 with two camera modules 101.
  • the refrigeration compartment 105 forms a receiving space for the refrigerated goods 103 in the interior of the refrigerator
  • Refrigeration device 100 Inside the refrigeration compartment 105 are as refrigerated goods 103rd
  • the two camera modules 101 are arranged on a front side 131 of the refrigeration compartment 105 at the same height and at a horizontal distance from each other, for example in the door 1 1 1 of the refrigerator 100.
  • the refrigerated goods 103 is from the two camera modules 101 from the front of the refrigerator 100 ago added.
  • the camera modules 101 on the front side 131 of the refrigeration compartment 105 enable the emulation of a user's view of the contents of the refrigeration compartment 105.
  • Lighting device 102 is provided.
  • the illumination device 102 is
  • an infrared or a lighting with visible light For example, an infrared or a lighting with visible light.
  • the lighting device 102 is arranged, for example, in a cover of the refrigeration compartment 105.
  • One and the same picture can be taken with different lighting for additional picture information or a higher resolution.
  • the design of the interior of the refrigeration compartment 105 may be optimized with respect to the camera module 105, for example with regard to adjustability, a shelf arrangement, the arrangement of the door racks to the shelves or an adjustability of
  • the camera modules 101 are inclined, for example, to the center of the refrigerator.
  • the camera modules 101 may be movable.
  • a camera module 101 in a side wall has the advantage that a view of the door 1 1 1 is obtained.
  • reflective coatings, glass beads, mini-retroreflectors can be used.
  • Freshness compartment does not have its own camera, transparent lid, transparent shelf, no opaque strip on the shelf edge
  • the camera modules 101 include a light sensor array with color sensors, such as a CCD chip.
  • the light sensor field has, for example, a resolution of at least 640 ⁇ 480 pixels (VGA) and three color channels with a color depth of at least 8 bits per color channel, for example RGB color channels.
  • the camera module 101 may, for example, be designed in such a way that it does not only record image data in the visible range but also additionally captures image data in the infrared range.
  • Usable CCD image sensors for the light sensor array consist of an array of photosensitive photodiodes. These can be rectangular, square or polygonal, with edge lengths of 1, 4 ⁇ to over 20 ⁇ . The larger the area of the photodiodes, the higher the photosensitivity and the dynamic range of the CCD image sensor. With the same sensor size, however, the image resolution is smaller in this case.
  • the camera modules 101 have an interface for communication with a processor device.
  • the obtained sensor data of the light sensor field can be processed with the processor device.
  • the system has power only on request of the order of magnitude of 3 W and standby of 0, 1 W.
  • Fig. 2B shows a frontal view of the refrigeration compartment 105 from the perspective of one of
  • two camera modules 101 which are arranged at a horizontal distance from each other, for example, two images of the goods to be cooled 103 can be received, which convey a three-dimensional image of the goods to be cooled 103 to a user in a stereoscopic view.
  • two images of the goods to be cooled 103 can be received, which convey a three-dimensional image of the goods to be cooled 103 to a user in a stereoscopic view.
  • Camera modules 101 the advantage that, even if one of the camera modules 101 by
  • Refrigerated goods 103 should be adjusted, the interior of the refrigeration compartment 105 can be received by the other of the camera modules 101.
  • Fig. 3A shows another perspective view of the refrigerating compartment 105 with a
  • the camera module 101 is arranged in the compartment cover 1 13 of the refrigeration compartment 105.
  • the arrangement of the camera module 101 in the compartment ceiling 1 13 is a fundamental change in the direction of view and a view of the contents of the
  • Refrigeration compartment 105 allows.
  • 3B shows a plan view of the refrigeration compartment 105 from the perspective of the camera module 103 arranged in the compartment cover 13. This supervision can be used for the visualization of the contents of the refrigeration compartment 105.
  • the camera module can also be arranged on the rear side 129 or a side wall 109 of the refrigeration compartment 105. This allows the field of vision for the
  • Visualization of the content can be expanded and different perspectives within the refrigeration compartment 105 or a panoramic view are included.
  • FIG. 4 shows a perspective view of a refrigeration compartment 105 with a plurality of camera modules 101.
  • the camera modules 101 are arranged such that the refrigerated goods 103 can be received from each side and at different viewing angles. By assembling the images taken by the individual camera modules 101, it is possible to generate a 360 ° view of the refrigerated goods 103 in the refrigeration compartment 105. So that the refrigerated goods 103 can be picked up by the camera module 101 with sufficient brightness, a lighting device 102 is realized in the interior of the refrigerating compartment 105.
  • the camera module 101 and the illumination device 102 can be arranged, for example, in a common installation space.
  • a flash unit for emitting a flash of light during a recording is arranged as illumination device 102 in the interior of the refrigeration device 100, so that a recording is obtained by means of flash light.
  • the flash device is arranged, for example, on the camera module 101.
  • the flash unit may be activated by an additional controller which outputs a control signal for each camera module 101.
  • the light intensity of the flash can be measured with a special dual-function flash meter or light meter.
  • the refrigerator 100 a light-emitting diode array (LED array) as
  • Lighting device 102 include, which is arranged such that the refrigerated goods 103 is illuminated in the refrigeration compartment 105 as evenly as possible from all sides.
  • the LED field can be controlled centrally.
  • a homogeneous or adaptive illumination of the refrigeration compartment 105 can be realized by the light-emitting diode array in a simple and energy-saving manner, and a shadow cast can be reduced.
  • all other suitable lighting devices may be used, such as LED strips, incandescent or neon tubes.
  • room lighting can be used as interior lighting.
  • Fig. 5 shows two different camera modules 101-1 and 101-2. For image acquisition, two types of camera modules 101 -1 and 101 -2 are available, which are suitable for installation in the refrigeration device 100.
  • the finished camera modules 101-1 and 101-2 comprise, for example, a light sensor field, an objective and a microcontroller 104.
  • Camera modules 101-1 and 101-2 with integrated microcontroller 104 can be integrated into the refrigeration device 100 in a simple manner. Does a driver exist for the respective one
  • Camera modules 101 -1 and 101 -2 include a USB interface, the
  • Camera modules 101 -1 and 101 -2 directly to a USB data bus or a PC be connected.
  • the camera modules 101-1 and 101-2 have an imager that provides raw image data for evaluation.
  • the camera modules 101-1 and 101-2 are protected against fruit acid, dust and moisture.
  • the camera modules 101-1 and 101-2 can be arranged in an encapsulated housing or and with a lens heating by an IR LED and / or
  • Lens coating be provided to prevent fogging.
  • the first camera module 101 - 1 comprises a pinhole lens 135 and a board 133, on which a chip with a light sensor field and a microcontroller 104 are arranged.
  • the camera module 101-1 is replaced by a pinhole camera 107 (pin hole).
  • the pinhole camera 107 may include a glass cover against contamination.
  • the light intensity of the pinhole camera 107 is smaller than that of focusing cameras, the depth of field of the pinhole camera 107 is larger.
  • the lower light intensity can be easily compensated by a longer exposure time, since no movements take place inside the refrigeration compartment 105.
  • the second camera module 101-2 comprises an objective 109 and a printed circuit board 133, on which a chip with a light sensor field and a microcontroller are arranged.
  • the objective 109 may, for example, have a focal length of less than 10 mm (miniature objective), so that the objective 109 can also generate a high depth of focus and a near-field can be imaged.
  • the objective 109 is, for example, a wide-angle lens with a
  • the image aperture angle describes the angular range that can be detected by the camera module 101 -2.
  • the camera modules 101-1 and 101-2 may include other redirecting means such as foldable or rotating prisms, mirrors, lenses, or semiconductor mirrors.
  • the board 133 has, for example, dimensions of 32 mm x 32 mm. On the board 133, for example, electrical circuits for the microcontroller 104 and an interface for connecting the camera module 101 to a data bus are formed, so that image data can be provided as a file.
  • the board 133 is formed for example in the door 1 1 1 in the foam.
  • the height of the camera module 101-1 and 101 -2 is from the lens 109 or the
  • Aperture 135 defined and is for example between 10 mm and 30 mm. Aperture diaphragms 135 allow a smaller depth of the camera module 101 of less than 20 mm. moreover for example, a camera module 101 -1 with a pinhole 135 requires a smaller opening or recess for mounting in a wall of the refrigeration device 100. For a camera module 101 -1 with a pinhole 135, the depth of the slot is, for example, 2 mm to 3 mm, whereas for a camera module 101-2 with a lens 109 the depth of
  • the camera module 101 -1 with the aperture plate 135 can also be realized without a circuit board 133 and can then have dimensions of, for example, 10 mm ⁇ 10 mm ⁇ 7 mm.
  • a pinhole camera 107 with a pinhole 135 can
  • the camera modules 101-1 and 101-2 may have different interfaces for transmitting image data, such as an RS232 interface, an SPI interface, an IIC interface or a USB interface.
  • FIG. 6 shows a plan view and a side view of the refrigeration compartment 105 in conjunction with different image opening angles for a refrigeration compartment 105 with 20 cm ⁇ 60 cm ⁇ 50 cm.
  • the image aperture angle describes the angular range that can be imaged by the camera module 101. At different image opening angles, different viewing areas of the camera module 101 result. Side of the camera module 101 are in the refrigeration compartment 105 individual areas 137, which are not visible and with larger
  • Fig. 7 shows a plan view of the refrigeration compartment 105 when using the multiple
  • Camera Modules 105 On the left is shown an arrangement with four camera modules 101 with an image aperture angle of 40 °. In contrast, an arrangement with three camera modules 101 and an image opening angle of 60 ° is shown on the right. For larger
  • Image aperture angles may be less camera modules 101 used to cover a same field of view 139.
  • the image aperture angle determines the number of camera modules 101 to produce a closed image. Between the image opening angle and the number of
  • Camera modules 101 can be found depending on the size of the refrigeration compartment 105 a compromise. However, a larger aperture angle results in more distortion.
  • a pincushion distortion 141 or a barrel distortion 143 results.
  • the type and severity of the distortion 141 and 143 can be identified and compensated for further image processing.
  • a pattern can be used.
  • Fig. 8 shows a refrigeration compartment 105 with a sensor mat 1 15 for detecting a change in a load of a shelf 1 17.
  • the film-like sensor mat 1 15 can be used.
  • the sensor mat 1 15 is a few millimeters thick and is placed on the shelf 1 17.
  • the sensor mat 1 15 measures the change of loads on the horizontal, flat and solid shelf 1 17 and is suitable for monitoring freestanding and stacked refrigerated goods 103 on the shelf 1 17. This allows, for example, levels of containers by comparing the weight with a Determine initial value.
  • the position of a newly set refrigerated goods 103-2 can be detected. If the refrigerated goods 103-2 are added to the refrigerated goods 103-1 on the shelf 1 17, for example, the sensor mat 1 17 recognizes the surface area on which the refrigerated goods 103-2 have been added. As a result, changes in the refrigeration compartment 105 can be detected in addition to an optical change in the image data acquired by the camera module 101.
  • the refrigeration device 100 may comprise a RFID tag reader, so that the refrigerated goods 103 can be detected in the refrigeration compartment 105 by means of a readout of the labels.
  • the RFID tag reader is an electronic circuit capable of reading the information stored in electronic tags by means of radio waves.
  • Both the RFID tag reader and the sensor mat 15 can be provided as additional sensors for supplementing an optical image capture, for example as a replacement or supplement to the optical recognition of an EAN code. This increases reliability and allows more applications.
  • the camera module 101 may comprise a controllable pivoting device for rotating a recording direction of the camera module 101 and / or a controllable zoom device for enlarging a recording of the camera module 101.
  • the camera module 101 may comprise a displacement device for the controllable horizontal and / or vertical displacement of the camera module 101 on a wall of the refrigeration device 100.
  • the pivoting device, the displacement device and the zoom device can by means of a suitable mechanism in conjunction with an electromotive Drive be realized and controlled by a processor device via a data bus.
  • the refrigeration compartment 105 comprises four camera modules 101, which are arranged in the respective corners of the refrigeration compartment 105.
  • the refrigeration device 100 includes a processor device 1 19, to which the images are transmitted from the individual camera modules 101.
  • the processor device 1 19 comprises a processor and a memory and serves to process the transmitted image data.
  • a data bus 121 is used to transmit the image data from the camera module 101 to the processor device 1 19.
  • a data bus is a system for data transmission between multiple participants over a common transmission path, in which the participants are not involved in the data transmission between other participants.
  • Each of the four camera modules 101 is connected to a separate data bus 121. To this data buses 121 more devices can be connected and controlled.
  • the data bus 121 is partially integrated in the side wall 109 of the refrigeration device 100.
  • the data bus 121 is formed by electrical lines which transmit signals from the camera modules 101 to the processor device 1 19.
  • the data bus 121 is, for example, a serial bus with which the individual bits or data packets are transmitted in a serial data transmission successively (serially) via the line.
  • the data bus 121 implements, for example, a USB standard, an I2C standard, an SPI standard or a CAN standard, or, for example, a DBus2 standard or DBus3 standard.
  • the data bus 121 is for example a Hi-Speed Bus (USB).
  • a serial data bus 121 has the advantage that it can be realized with a small number of lines.
  • the camera modules 101 and the processor device 1 19 also have a serial interface for connecting the data bus 121.
  • the use of camera modules 101 and systems for which drivers already exist is advantageous.
  • the data bus 121 may be pre-terminated for this purpose with connection devices, such as connectors, for connecting the camera modules 101. In this case, in case of a defect, the camera module 101 can be easily replaced and replaced.
  • the data bus 121 and connected components can be configured in this way be that the components, such as camera modules 101 or
  • Lighting devices 102 are supplied via the data bus 121 with electrical power or electricity. This reduces a wiring effort inside the
  • FIG. 10 shows a further refrigerating appliance 100 with the data bus 121.
  • the refrigeration compartment 105 includes four camera modules 101 arranged in the respective corners of the refrigeration compartment 105. Each two of the four camera modules 101 are on the same data bus 121
  • Two of the camera modules 101 are arranged in a door 1 1 1 of the refrigeration device 100 and generate a frontal view of the refrigeration compartment 105.
  • the data bus 121 to these camera modules 101 is guided by a cable passage through a hinge 123 of the door 1 1 1.
  • the respective camera modules 101 are assigned a logical or physical address via which the camera modules 101 can be addressed individually on the data bus 121.
  • additional local distribution nodes can be provided as needed.
  • the duration of an image request from the processor device 1 19 via the data bus 121 should not exceed a predetermined period of time.
  • FIG. 10A shows a schematic view and a cross-sectional view of an arrangement of six camera modules 101 on the inside of a door 1 1 1.
  • the door 1 1 1 comprises a door handle 169.
  • the camera modules 101 capture the image data from a same area inside a refrigeration compartment 105 from different angles ago. Two each of the camera modules 101 form a pair with a first and a second
  • Camera module 101 for a stereoscopic image acquisition is a stereoscopic image acquisition.
  • Each two of the camera modules 101 are arranged in the door 1 1 1 as a pair at the same height.
  • a first camera module 101 of the pair is arranged on a right-hand side rail 167 and a second camera module 101 is arranged on a left-hand side rail 167.
  • the camera modules 101 are arranged in a corner of the door pillars 167 on the inside of the door 1 1 1.
  • the camera modules 101 are integrated, for example, in a body of the door 1 1 1, so that they do not protrude from the inside of the door 1 1 1.
  • Each camera module 101 is associated with a lighting device 102, for example in the form of a white light-emitting diode in the door 1 1 1.
  • the respective Lighting device 102 is arranged obliquely next to the respective camera module 101.
  • a door rack 165 In the middle of the door 1 1 1 1 a door rack 165 is formed, can be placed in the refrigerated goods 103, such as bottles.
  • the door rack 165 is not height adjustable.
  • Two of the camera modules 101 are located directly below the door compartment 165, so that they can not be adjusted by refrigerated goods 103 inside the refrigerator 100.
  • Two further camera modules 101 are arranged in an upper region of the door 1 1 1, so that these can not be adjusted by refrigerated goods and an image taken from obliquely above can be performed.
  • the respective pairs of camera modules 101 are arranged at different heights on the inside of the door 1 1 1, so that the recording of different
  • each pair of camera modules 101 detects a same area inside a refrigeration compartment 105 from different angles.
  • the door 1 1 1 comprises an integrated data bus 121 for connecting the camera modules 101 to a processor device 1 19, so that the image data obtained by the camera modules 101 can be transmitted for further processing.
  • This data bus 121 may be formed as a serial data bus, so that the transmission of the image data can be performed with a low cabling overhead.
  • the first and the second camera module 101 of a pair can each comprise a zoom device for synchronously enlarging the stereoscopic image acquisition.
  • the camera modules 101 may also be arranged at other locations inside the refrigeration device, such as at a rear side of the refrigeration device 100.
  • FIG. 1 1 shows a schematic view of a data bus 121 in a refrigeration device 100 with a plurality of distribution nodes 125.
  • the distribution nodes 125 each form an auxiliary module for connecting the camera modules 101 and have corresponding interfaces.
  • Distribution modules 125 are implemented, for example, by means of an embedded platform, such as a beagleboard.
  • the distribution nodes 125 serve to distribute image data and control signals between the processor device 1 19 and the camera modules 101 and can Form image conversion units.
  • the distribution node 125 a In addition, in the distribution node 125 a
  • Data compression can be performed.
  • a protocol translation can take place in the distribution node 125.
  • the camera modules 101 connected to the data bus 121 can have a
  • Microcontroller by which a compression of the acquired image data takes place.
  • a compression means for compressing the image data can be realized.
  • the image data obtained in the bitmap format for example, converted into image data in the JPEG format and transmitted in the JPEG format over the data bus 121. This has the advantage that the transmission is performed with less data and takes a shorter time span.
  • FIG. 12 shows a perspective view of the processor device 1 19.
  • Processor device 1 19 includes an interface 145 for transmitting the image data to an external network.
  • the interface 145 is for example a wireless WLAN interface, a Bluetooth interface, an Ethernet interface or a
  • Mobile radio interface such as GSM, UMTS, or LTE.
  • the image data can be provided to an external network.
  • a direct connection to a personal computer is possible by means of the interface 145.
  • the personal computer can be used to process the sensor data, such as removing distortion, removing noise, sharpening artificial sharpening, or increasing contrast.
  • the processor device 19 serves to process the sensor and image data from the camera modules 101.
  • a program library with algorithms for image processing and machine vision can be used, such as, for example
  • Realizable methods of image recognition are, for example, the detection of a change, the recognition of a barcode or the recognition of defined logos
  • the image data can be retrieved from the camera modules 101 and the image data thus transmitted can be processed.
  • image processing can be carried out, for example a
  • an analysis and evaluation of the image data can be made, for example, recognize of difference images or difference objects.
  • refrigerated goods 103 received by the camera modules 101 can be identified and associated
  • the image data can be provided via a wireless network.
  • the processor device 1 19 can control a
  • Illuminator 102 are performed to illuminate the refrigeration compartment 105 during a recording.
  • the refrigeration device 100 comprises a
  • Lighting device 102 which is connected to the data bus 121 and is controllable via this.
  • FIG. 13 shows a first image taken by the camera module 101 from first image data 147 and a second image taken from the camera module 101 from second image data 149.
  • the second image data 149 has been recorded at a later time than the first image data 147.
  • Image data 149 is used.
  • the time interval between the first and second image data 147 and 149 is one day, for example.
  • the lighting device 102 is largely the same
  • the refrigeration appliance 100 comprises a sensor for detecting an opening of the door 1 1 1. Is by the sensor detects that the door 1 1 1 of the refrigeration device 100 is open, no acquisition of the image data is performed. Only when the door is closed 1 1 1, the image data are detected. The image data are taken after closing the door 1 1 1, after a uniform illumination of the interior of the refrigeration compartment 105 has been made.
  • the image data 151 shows the subtraction of the second image data 149 from the first image data 147.
  • the first image data 147 and the second image data 149 are, for example, three-color image data (RGB) having a color resolution of 24 bits per pixel.
  • the image area 153 represents the refrigerated goods 103, which has been removed from the refrigeration compartment 105.
  • Hiding the contents of the refrigeration compartment 105 and the determined change can be made on a display of the refrigeration device 100, for example a tablet PC or a smartphone.
  • a contour of the goods to be cooled 103 and the effected change can be highlighted.
  • a temporal change of the refrigerated goods 103 can be determined, which consists of a perishable goods.
  • Fresh determination device determines the freshness state of the chilled goods 103 based on a color difference between the first image data 147 and the second image data 149. Based on a color difference can then be determined with a suitable algorithm, whether the refrigerated goods 103 is still fresh or durable. In addition, the data on changes in weight that are detected by the sensor mat 15 can be used for freshness determination.
  • the freshness-determining device is designed to detect the type of goods to be cooled 103 on the basis of the first image data or the second image data.
  • the freshness determination device can automatically detect, for example, what kind of perishable goods the refrigerated goods 103 are.
  • the freshness determination device is able to detect by image analysis whether the goods to be cooled 103 in the refrigeration compartment 105 consist of bananas or tomatoes.
  • Image evaluation algorithm compares the recording of the camera module 101 with pre-stored image data and thereby detects the refrigerated goods 103. Should an automatic detection of the type of refrigerated goods 103 fail, this can
  • Refrigeration device 100 include an input device for manually entering the type of refrigerated goods 103. This is formed for example by a touch-sensitive display or a display device, are displayed on the different types of goods to be refrigerated 103 in menu form. A user selects by tapping on the appropriate menu item from a specific item to be refrigerated, this has deposited in the refrigeration compartment 105. Based on entered or determined type of refrigerated goods 103, the freshness state of the refrigerated goods 103 can be determined more precisely by means of a color difference.
  • a special camera module 101 can be used, which determines the image data not only in the visible spectral range but at the same time also in the infrared spectral range.
  • the camera module 101 may include a dichroic element that separates a beam path of the infrared light from that of the visible light.
  • the dichroic element is, for example, an optical prism that splits a light beam into two beams of different spectra or colors.
  • the dichroic element is made, for example, from a glass in which certain surfaces are provided with dichroic mirrors which reflect or transmit light depending on its wavelength.
  • the visible light is detected by a first light sensor field and the separated infrared light by a second light sensor field.
  • Camera modules 101 and the lighting is generally determined depending on the desired execution concept.
  • a lighting device 102 is provided in the refrigeration compartment 105, which illuminates the refrigeration compartment 105 in the same way at each shot.
  • the illumination device 102 can emit monochromatic and narrow-band light of a predetermined frequency.
  • the illumination device 102 comprises a tunable light emitting diode for emitting a monochromatic light of variable wavelength.
  • the illumination device 102 may also be designed such that it emits polychromatic white light or infrared light.
  • the refrigeration device 100 may include a control and display device that displays the specific freshness state of the refrigerated goods 103 to a user. Exceeds the detected
  • Color difference or a color change of, for example, fruit or vegetables a predetermined limit a user can be notified via the display device.
  • a control and display device a tablet PC or smartphone can be used. If the image data 147 and 149 are present in the processor device 1 19 or the display device, further information can be extracted therefrom by means of image recognition algorithms, for example by means of an application on the camera module operating device. This information can then be displayed on the camera module operator panel.
  • image analysis using pattern recognition enables identification of product logos.
  • the product logos should be clearly recognizable and not be covered by other refrigerated goods 103. Unless the inclusion sufficient details of
  • the processor device 1 19 can be trained by means of suitable algorithms on a variety of products.
  • a list of contents of the refrigeration device 100 can be created.
  • the product recognition is realized by means of an optical recognition of an EAN code on the product. Products without an EAN code, such as fruit or vegetables, can be selected manually from a selection list. This can be a
  • the product database of the refrigeration device 100 can be extended to the entire kitchen area. For this purpose, a storage location is first selected and a
  • Product registration performed by detecting the EAN code. Subsequently, the filing of the product is carried out by the user. The inventory can be updated when goods are removed. Product recognition based on the EAN code and assignment to the image data are also possible.
  • An indication of additional information such as a minimum shelf life (MHD) or a minimum stock quantity, for a registered product can be used for
  • Monitoring can be used.
  • the user can the additional information (MHD) when it selects the product on a display or in the database. If the stock of the product is running out or the product runs out, the user can be notified via the camera module operating unit.
  • MHD additional information
  • Product data by storing the contour information from an image recognition after the registration of a product instead.
  • further applications can be realized in addition to product monitoring.
  • these applications can be in the process of creating a recipe proposal based on the inventory list or creating a shopping list for frequently sourced products.
  • An adaptive system can take into account the habits of the user.
  • An online interface to the inventory or image data provides convenient on-the-go access.
  • the product survey and product database with the display of additional information for the user is an added value.
  • the camera module operating device 300 is, for example, a tablet PC which is connected to the refrigeration device 100 by means of a WLAN or a smartphone which is connected to the refrigeration device 100 by means of the mobile radio network.
  • the camera module operating device 300 can also be connected to the refrigeration device 100 by means of a USB interface.
  • the USB interface can also be used for charging the camera module operating device 300.
  • an application or application can be executed, such as a computer program.
  • Camera module operating device 300 may be provided an assembly kit.
  • Camera module operator 300 is connected to a router via a wireless network.
  • the camera module operating device 300 can act as an image server or as a graphics computer and save the image data via a WLAN.
  • the portable camera module operator 300 may be replaced or updated by a user.
  • the wireless camera module operating device 300 is part of a refrigeration system and serves to display the image data captured by the camera modules 101. The user can thus display the displayed refrigeration compartment 105 in the Select the application on the camera module operating device 300.
  • a refrigeration system serves to display the image data captured by the camera modules 101. The user can thus display the displayed refrigeration compartment 105 in the Select the application on the camera module operating device 300.
  • an angular attitude of the camera module operating device 300 can determine which refrigeration compartment 105 is displayed.
  • the camera modules 101 inside the refrigeration compartment 105 have a large
  • the refrigeration device 100 may comprise a plurality of camera modules 101, which are arranged in the refrigeration compartment 105 in such a way that the refrigerated goods 103 are picked up from all sides and an all-round view is produced by assembling the individual images.
  • the selection of the viewing angle of the panoramic view of the goods to be refrigerated 103 is carried out by wiping on the touch-sensitive display 303 to the left and right.
  • Another camera module 101 is disposed in a door 1 1 1 of the refrigerator 100.
  • the refrigeration compartment 105 additionally comprises a lighting device 102 for uniform illumination of the refrigerated goods 103. In this case and in all other cases, the
  • the refrigeration device 100 as part of the refrigeration device system 200 may include a first camera module 101 for acquiring first image data of the refrigerated goods 103 from a first perspective and a second camera module 101 for acquiring second image data of the first
  • Refrigerated goods 103 include from a second perspective. A change of perspective may generally occur upon touching the touch-sensitive display 303.
  • the refrigeration device 100 may include any illumination device 102 that is used for
  • Illuminate the refrigerated goods 103 in the refrigeration compartment 105 during capture of image data is suitable.
  • the illumination device 102 may be controllable by the camera module operating device 300.
  • a menu selection 305 is displayed, via which the respective refrigeration compartment 105 can be selected with the corresponding camera module 101.
  • the respective view through Wipe on the touch-sensitive display 103 are selected. The view can be enlarged or reduced, for example by a
  • the camera module operating device 300 can compare the acquired image data of the refrigerated goods 103 with stored image data of the refrigerated goods 103. In addition, that can
  • Camera module operating device 300 identify the refrigerated goods 103 on the basis of the captured image data by means of an analysis algorithm.
  • the user can select the image data of the camera module 101 and the processed images on the camera module operating device 300, view and display additional information, such as the assignment of a bar code to a specific product.
  • Camera module operating device 300 can take place via a central processing unit,
  • the refrigeration device 100 includes a camera field 127 with a plurality of camera-like arranged camera modules 101, which are arranged on the inside of the door 1 1 1. Each of these camera modules 101 generates a single image in a frontal view from the inside of the refrigeration device 100.
  • the camera modules 101 of the camera field 127 are arranged such that from the individual images a composite view of the complete front view can be generated as with the door 1 1 1 open. From the camera field 127 in the refrigerator door 1 1 1 1 a panoramic image is composed, which represents a closed shot of the front.
  • a calibration of the camera modules 101 can be performed.
  • the refrigeration device 100 comprises a position detection device for detecting a position of the device 100 placed on the outside of the refrigeration device
  • This position detection means allow For example, determine a coordinate pair that indicates at which point of the front of the refrigerator 100, the camera module operating device 300 is placed.
  • an image area assigned to the coordinate pair can be transmitted from the previously assembled view to the camera module operating device 300. This creates the impression that a user is using the wireless
  • Camera module operating device 300 x-ray through the wall of the refrigerator 100 can look through. The user can also enlarge areas of the composite view. During a movement of the camera module operating device 300 in front of the front side of the refrigeration device 100, the corresponding image area shifts on the
  • Camera module operating device 300 and the position corresponding to the position of the camera module operating device 300 cold compartment 105 is displayed. While the camera module operating device 300 travels outside via the refrigeration device 100, the displayed image section follows the position of the camera module operating device 300. Even if only one camera module is used, an image section can be shifted. Inside the refrigerator 100 here is a uniform illumination of all areas instead.
  • the complexity of software development is generally related to the desired additional functions, such as image capture, image recognition, product recognition (EAN), recognition of changes in an image, a product database, and an association of the products in the image data by recognition ,
  • the camera modules 101 and an interface (interface) to the camera module operating device 300 may be provided.
  • a user is not bound to outdated hardware, but can replace the camera module operating device 300 as desired.
  • a door opening and closing signal may be communicated, on the basis of which the camera module operating device 300 controls the camera modules 101.
  • the camera module operating device 300 can transmit the image data via WLAN and display the content of the refrigeration device 100.
  • the image data is obtained at each door closing, then provided or transferred to an external storage location and then transmitted immediately upon request. Illumination remains immediately after a door closing for a period of 300 - 500 ms available. This has the advantage that a last changed current content is detected, a small additional heat input takes place immediately after a large heat input and lighting is only possible through a normal interior lighting.
  • 16A to 16C show different connections of camera modules 101. The
  • Integration of camera modules 101 and the controller can be done in various ways.
  • the camera module 101 has a control 155 and a camera 157 as an integrated unit and is connected to a network 161.
  • a plurality of camera modules 101 with the controls 155 are integrated
  • a multi-camera module is connected to the network 161.
  • the multi-camera module may be connected to the network 161 with an integrated or separate image processing unit 125.
  • the multi-control 155 serves to control a plurality of cameras 157 of the multi-camera module.
  • an interface to a GSM network 163 may be provided.
  • the camera 157, the controls 155, the multi-controller 155, and the image processing unit 125 may be physically identical units that perform different tasks.
  • the control of the camera modules 101 can be done by a computer in the refrigerator or be provided separately from the refrigeration appliance control, for example on the
  • Camera module operating device 300 such as a smartphone and mobile tablet PC.
  • Camera module operating device 300 with the screen can be attached to the door 1 1 1.
  • the camera module operator 300 may execute a program or application.
  • the application is used for freshness determination based on the image data obtained.
  • the freshness of the chilled goods 103 can be distinguished from a maturity of the chilled goods 103.
  • the cell structure is affected by the effects of cold, such as bananas, tomatoes, cucumbers, zucchini, aubergines, tropical fruits. in the
  • weight, smell, taste, color, texture such as furrows, size, diameter or volume can be seen.
  • texture By means of the texture can be observed whether a product is still crisp.
  • a Turgeszenz indicates how strongly the cells are filled with water and is a measure of the freshness.
  • a freshness detection application captures, evaluates, and provides information about products to other processing facilities.
  • a base date is the best before date (MHD), which is associated with the product and provided externally.
  • an alternative expiration date can be used, which depends on the product, the storage time, a refrigerator setting, a temperature stratification of the specific refrigeration device 100 and a humidity.
  • a traffic light system is possible:
  • Refrigerated goods such as meat may be opaque packed so that the condition of the meat is unobservable.
  • the packaging may be labeled and have a barcode and a best-before date.
  • the traffic light can be adjusted.
  • the product specification contains a value allowing a loss-type-specific assessment.
  • the relative color judgment may be judged by a difference from the first image and a shading threshold.
  • the maturity detection is based on the
  • the application may display instructions for storage in the refrigeration device 100, such as
  • TTI Time Temperature Integrator
  • Color change labels are sensory readable.
  • Storage Guide can be used to generate a nutritional recommendation.
  • an inventory list of all stored objects can be created by dragging them past a camera module.
  • the application can play the long-term change in fast motion.
  • the application can display an image of the refrigeration appliance content on the camera module operating device 300.
  • the functions can be a combination of language and barcode (EAN / QR), image recognition and image representation. Products can be added. It can be synced with a photo and shopping lists can be generated.
  • the refrigeration device 100 can be configured such that a user can request image data from a mobile telephone, so that even at remote locations a possible fresh observation is possible.
  • a GSM camera with MMS dispatch can be used.
  • the connection between camera and mobile phone takes place via the GSM infrastructure.
  • an SMS an image can be requested, which is then transmitted as an MMS image.
  • Photos and videos can also be sent by e-mail or MMS with a time and date stamp.
  • a photo or video delivery can be made on demand at regular intervals.
  • the photo resolution of the MMS is for example 160x120, 320x240, 640x480 pixels.
  • a recording takes place in the internal memory, if no GSM signal is present. Power is supplied by battery, power adapter or USB port.
  • the control can be carried out directly on the refrigeration unit 100, on a personal computer or by SMS from the mobile phone.
  • the GSM camera can be activated via GSM via call or SMS and supports SMS commands.
  • a power failure message can be issued.
  • the angle of view of the camera is 60 ° or 90 ° with attachable magnetic wide-angle lens,
  • a flash function can be implemented.
  • a UMTS / HSDPA camera (WCDMA TD-SCDMA) with a photo resolution of 1.3 megapixels can be used.
  • the UMTS / HSDPA camera has a tilt and pan function and a night vision function.
  • a UMTS video server is located separately from the camera.
  • Network-capable camera module operating devices 300 are, for example, a laptop or a television. This can be a separation between multimedia components and
  • a multimedia interface may be a standard multimedia interface.
  • glass fibers can be used with a lens at one end. Several glass fibers can be read out with the same color sensor.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

La présente invention concerne un appareil de froid (100) qui comprend un module caméra (101) pour acquérir des données d'image d'un produit réfrigéré dans un compartiment frigorifique (105) de l'appareil de froid (100), un dispositif processeur (119) pour traiter les données d'image et un bus de données (121) pour transmettre les données d'image du module caméra (101) au dispositif processeur (119).
PCT/EP2014/061706 2013-06-14 2014-06-05 Appareil de froid muni d'un module caméra WO2014198632A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013211098.7A DE102013211098A1 (de) 2013-06-14 2013-06-14 Kältegerät mit einem Kameramodul
DE102013211098.7 2013-06-14

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WO2014198632A1 true WO2014198632A1 (fr) 2014-12-18

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WO (1) WO2014198632A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112923637A (zh) * 2021-02-03 2021-06-08 马伟 一种农产品加工用冷却装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017125037A1 (de) * 2017-10-26 2019-05-02 Miele & Cie. Kg Verfahren und Vorrichtung zum Verarbeiten von Bilddaten eines in einem Haushaltgerät befindlichen Objekts
DE102018212441A1 (de) * 2018-07-25 2020-01-30 BSH Hausgeräte GmbH Auftaumatte, Haushaltsgerät mit einer Auftaumatte, Verfahren zum Auftauen und Verfahren zum Zubereiten von Lebensmitteln
DE102020213159A1 (de) 2020-10-19 2022-04-21 BSH Hausgeräte GmbH Haushaltsgerät und Verfahren zum Betreiben desselben
EP4296597A1 (fr) * 2022-06-20 2023-12-27 Liebherr-Hausgeräte Ochsenhausen GmbH Appareil de refroidissement et/ou de congélation

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060096303A1 (en) * 2004-11-10 2006-05-11 Kavounas Gregory T Home refrigerator systems imaging their interior and methods
EP2103891A1 (fr) * 2008-03-17 2009-09-23 Electrolux Home Products Corporation N.V. Procédé et appareil pour refroidir des boissons

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001272162A (ja) * 2000-03-28 2001-10-05 Toshiba Corp 冷蔵庫扉の配線構造
DE102007048834A1 (de) * 2006-10-17 2008-04-24 BSH Bosch und Siemens Hausgeräte GmbH Hausgerätevorrichtung mit wenigstens einer Kamera

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060096303A1 (en) * 2004-11-10 2006-05-11 Kavounas Gregory T Home refrigerator systems imaging their interior and methods
EP2103891A1 (fr) * 2008-03-17 2009-09-23 Electrolux Home Products Corporation N.V. Procédé et appareil pour refroidir des boissons

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112923637A (zh) * 2021-02-03 2021-06-08 马伟 一种农产品加工用冷却装置

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