EP2951796A1 - Machine pour rechauffer et/ou toaster un produit, et procede correspondant - Google Patents
Machine pour rechauffer et/ou toaster un produit, et procede correspondantInfo
- Publication number
- EP2951796A1 EP2951796A1 EP14705298.9A EP14705298A EP2951796A1 EP 2951796 A1 EP2951796 A1 EP 2951796A1 EP 14705298 A EP14705298 A EP 14705298A EP 2951796 A1 EP2951796 A1 EP 2951796A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- support member
- heating
- machine
- product
- machine according
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
- G07F17/0064—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for processing of food articles
- G07F17/0078—Food articles which need to be processed for dispensing in a hot or cooked condition, e.g. popcorn, nuts
Definitions
- Machine for heating and / or toasting a product and corresponding method.
- the field of the invention is that machines (also called grills or toasters) for heating and / or toaster (in the sense of grilling, to obtain a crisp product) products (including, but not limited to, sandwiches, panini, croque-monsieurs, pihettas, etc.), especially (but not exclusively) to heat and toast only the outside of the product while keeping the freshness inside (crispy on the outside and fresh inside) ).
- machines also called grills or toasters
- toaster in the sense of grilling, to obtain a crisp product
- products including, but not limited to, sandwiches, panini, croque-monsieurs, pihettas, etc.
- the present invention applies in particular, but not exclusively, to machines intended for self-service use in public places (for example in the shops of petrol stations).
- the invention in at least one embodiment, is intended in particular to overcome these various disadvantages of the state of the art.
- an object is to provide a machine allowing use according to at least some of the following constraints:
- a machine for heating and / or toasting a product comprising a heating chamber having at least one upper heating element, said machine comprising: at least one closing element movable between an open position, in which it opens a lower access passage to the heating chamber, and a closed position, in which it closes the lower access passage;
- a first support element movable horizontally between an external position, in which it is at least partially accessible from outside the machine for laying the product by a user before heating and the taking of the product by a user after heating, and an internal position, in which it is not accessible from outside the machine;
- a second support member adapted to pass through the first support member and through the lower access passage, and movable vertically between a lower position, wherein it is below the first support member in an inner position, and a high position, in which it is on the one hand above the first support member in the internal position and on the other hand in the heating chamber, below said at least one upper heating element and above said at least one closure member in the closed position.
- a first support element horizontally movable element, used for laying the product before heating and the recovery of the product after heating
- a second support element (vertically movable element) used to take the product on the first support element, bring it into the heating chamber, and then deposit it (after heating) on the first support element;
- said at least one closure member comprises at least one lower heating element, and when the second support member is in the up position, said at least one lower heating element is below the second support member.
- said product may be heated and / or toasted by its two faces (upper face by said at least one upper heating element and lower face by said at least one lower heating element).
- the machine comprises a single closure member pivotally mounted about an axis, the open position being a vertical position and the closed position being a horizontal position.
- This particular implementation (a single closure element) is simple to implement (fewer mechanical parts) and allows a good closure of the heating chamber. It also minimizes the size of the heating chamber and the footprint of the machine.
- the first support element comprises a first gate mounted on at least one slideway and comprising a plurality of first parallel bars
- the second support element comprises a second gate mounted on a rising and falling system, and comprising a plurality of second parallel bars, able to intersect alternately with said first bars when the second support member passes through the first support member.
- the use of grids allows easy implementation of the concept of passage of the second support element (vertically movable element) through the first support element (horizontally movable element) to recover or redeposit the product.
- the second grid (included in the second support element, vertically movable) allows heating of the product by its lower part, in the case where there is at least one lower heating element (itself included in said at least one a closure element of the heating chamber).
- the second grid is basket-shaped on at least two sides: the bars on the sides being higher than the other bars, and / or each bar having a U-shaped profile.
- the machine comprises means for locking the first support element in the internal position, and in that the locking means are deactivated only if the second support element is in the low position.
- the security is further improved: the first support element (horizontally movable element) can not be placed in the external position if the second support element (vertically movable) has not yet returned to the low position. Therefore the user can access the inside of the machine only if the second support element (which may be hot) has returned to the low position and therefore does not form a source of burn.
- the machine comprises means for automatically returning the first support member to the internal position.
- the machine comprises, in addition to the automatic return means, locking means of the first support member in the external position for a predetermined duration or until an action is performed by a user via a man-machine interface.
- the user does not have to hold the first support member in the outer position, while placing the product (before heating / toasting) or removing it (after heating / toasting).
- the machine comprises means for moving the first support element between the internal position and the external position, controlled by automatic control means.
- the machine comprises:
- a human-machine interface making it possible to provide the machine with an identifier of the product or category to which the product belongs; and means for activating / deactivating the machine, adapted to authorize the use of the machine if the identifier provided via the human-machine interface belongs to a predetermined list of authorized identifiers.
- the machine comprises automatic control means, adapted for the implementation of an operating cycle comprising the following phases, after the first support element has been placed in the internal position:
- said at least one closure member temporarily passes into the open position and the second support member rises from the low position to the up position, passing through the first support member in the internal position and through the lower access passage, said at least one closure member returning to the closed position after the second support member has entered the heating chamber; in a second phase: activation of the heating element (s) according to a determined heating program;
- said at least one closure member temporarily passes into the open position and the second support member descends from the high position to the down position, passing through the lower access passage and through the first inner position support member, said at least one closure member returning to the closed position after the second support member is out of the heating chamber.
- the machine comprises means for selecting, via a man-machine interface, the heating program applied in the second phase from among a plurality of possible heating programs.
- the selection means may be more or less automated.
- the user himself selects from a drop-down menu one of the available heating programs (for example according to the product and / or according to his preferences (more or less toasted, etc.)).
- the user places a barcode of a product package in front of a reader that reads the information contained in the barcode and provides it to a processor that derives the program from the product. appropriate heating (the latter is then validated either automatically by the machine or by the user via the man-machine interface).
- the machine comprises a marking grid, located in the heating chamber, below the upper heating element, at a height such that, when the second support element is in the high position, the upper part of the product is in contact with or just below the marking grid.
- This process comprises the following successive steps: the first support member passes into the external position;
- the first support member passes into the internal position
- said at least one closure member temporarily moves into the open position and the second support member rises from the low position to the up position, passing through the first support member in the internal position, to take the product, and through the lower access passage, said at least one closure member returning to the closed position after the second support member has entered the heating chamber;
- the heating element (s) are activated according to a determined heating program, for heating and / or toasting the product;
- said at least one closure member temporarily passes into the open position and the second support member descends from the high position to the down position, passing through the lower access passage and through the first support member internal position, for depositing the product, said at least one closure member returning to the closed position after the second support member is out of the heating chamber;
- the first support element passes into the external position
- the user takes the product on the first support member placed in the outer position.
- FIGS. 1, 1a, 2 and 2bis show different views of a machine according to one particular embodiment of the invention:
- FIG. 1 left perspective view, with the door open and the drawer closed;
- FIG. Ibis right perspective view, with the door open, the drawer closed, and the panel of the right side not shown;
- FIG. 2 left perspective view, with the door and the deflector not shown, the open drawer and the panel of the left side not shown;
- FIGS 3A to 3G illustrate various stages of operation of the machine of Figures 1, Ibis, 2 and 2bis.
- the machine 1 is made in the form of a compact cabinet, of generally parallelepipedic shape, resting on a base 3.
- the upper faces 2, left 4, right 5 and rear 31 are dressing panels.
- the left face 4 and the right face 5 are provided with handles 28 for moving the machine 1.
- the front face comprises a door 6 (whose rear face comprises a housing 7), open in Figures 1 and Ibis, and not shown in Figures 2 and 2a.
- a first opening 9 adapted for the passage of a drawer 8.
- the door 6 and the housing 7 are provided with a through window 11, which allows to view the product 16 when it is in the heating chamber 24 (for this purpose, a counterpole 10, forming the front wall of the heating chamber 24, is also provided with a window 33).
- a locking tab 22 makes it possible to lock the door 6 in the closed position. In a variant, this locking tab is replaced by, or co-operates with, an electric lock included in the door 6.
- a sensor is positioned to check whether the door is open or closed, and the information provided by this sensor is used by the control means (see below) to allow or not the operation of the machine.
- the door 6 is also provided with a man-machine interface (comprising, for example, a touch screen 29 and a scanner reader 21) cooperating with control means, which themselves comprise means (first electronic card) 32A for driving the vehicle. touch screen (shown in dashed lines in FIG. 1) and means (second electronic card) 32B for controlling the machine.
- a man-machine interface comprising, for example, a touch screen 29 and a scanner reader 21
- control means which themselves comprise means (first electronic card) 32A for driving the vehicle.
- touch screen shown in dashed lines in FIG. 1
- second electronic card 32B for controlling the machine.
- control means 32A, 32B are adapted for the implementation by the machine 1 of an operating cycle, as described below in relation to FIGS. 3A to 3G.
- the operation of the machine can be conditioned by the prior introduction of a token (or a coin) in a receptacle provided for this purpose.
- a token is provided when a product is purchased.
- control means 32A, 32B cooperate with the man-machine interface 29, 21 to allow the selection of a heating program from among a plurality of possible heating programs.
- the user selects, from a drop-down menu displayed on the touch screen 29, one of the available heating programs (for example according to the product and / or according to his preferences ( more or less toasted etc)).
- the user places a barcode of a package of the product in front of the scanner reader 21 which reads the information or information contained in the barcode and supplies it to the processor (means 32A, 32B) which deduces the appropriate heating program.
- This appropriate heating program is then validated either automatically by the machine or by the user via the man-machine interface.
- the aforementioned token also provides the machine with an indication of the heating program to be selected. Other achievements are of course conceivable.
- control means 32A, 32B cooperate with the human-machine interface 29, 21 to allow: the provision of an identifier of the product (or a category to which the product belongs) and activation of the machine 1 only if the identifier provided (via the human-machine interface) belongs to a predetermined list of authorized identifiers.
- the control means 32A, 32B comprise for example a RAM memory, a processing unit (equipped for example with a processor) and driven by a computer program stored in a ROM.
- the code instructions of the computer program are for example loaded into the RAM before being executed by the processor of the processing unit, in order to automatically obtain the operation described below. in connection with FIGS. 3A to 3G.
- control means are carried out indifferently:
- a reprogrammable calculation machine (a PC computer, a DSP processor or a microcontroller) executing a program comprising a sequence of instructions, or
- a dedicated computing machine for example a set of logical gates such as an FPGA or an ASIC, or any other hardware module.
- control means are made on a reprogrammable calculation machine
- the corresponding program (that is to say the instruction sequence) is stored in a removable storage medium (such as for example a diskette, a CD-ROM or a DVD-ROM) or not, this storage medium being readable partially or totally by a computer or a processor.
- the slide 8 comprises an anterior panel 8a, two slides 12, 13 (each cooperating with a rail 14) and a first gate 17 (also called “cold grid", or “first element of horizontally movable support ”) fixed on the front panel and the two slides.
- the first grid 17 comprises a plurality of first parallel bars 18.
- the dimensionality of the first grid 17 is adapted to the dimensions of the product range that it is desired to be able to toast with the machine 1.
- the first grid 17 is in the shape of a basket (the bars on the sides are higher than the others, and each bar has a U-shaped profile), for a good maintenance of the product during the handling of the drawer 8.
- the first grid 17 When the drawer 8 is open, the first grid 17 is said to be in the external position (because it is at least partially accessible from the outside of the machine) and the user can deposit a product 16 thereon (as illustrated in FIG. Figure 2).
- the first gate 17 When the drawer 8 is closed, the first gate 17 is said in the internal position (because it is not accessible from outside the machine).
- the drawer 8 cooperates with an automatic return system of the first gate 17 in the internal position (that is to say, the drawer in the closed position).
- the automatic return system comprises a rod 15 fixed at one end to one of the slides 12 and at the other end to a support 34.
- the rod 15 is pivotally mounted about an axis 27 and the return force to the closed position of the slide is applied by a spring 35.
- the machine comprises locking means (for example an electric lock 38) of the drawer 8 in the open position (that is to say of the first grid 17 in the external position), for a predetermined duration (management of a delay by the control means 32A, 32B) or until the user performs an action via the man-machine interface 29.
- locking means for example an electric lock 38
- the user does not have to hold the drawer 8 in the open position, while he places the product on the first grid 17 (before heating / toastage) or removes it from the first grid 17 (after heating / toasting).
- the automatic return of the drawer 8 in the closed position takes place after release of the striker.
- the automatic return system of the drawer and the locking means of the drawer 8 in the open position are replaced by moving means (for example a motor 39) of the drawer 8 between the closed position and the open position. (i.e., the first grid 17 between the position internal and external position).
- moving means for example a motor 39
- These displacement means are controlled by the automatic control means 32A, 32B.
- a crumb collector 36 (also in the form of a drawer) is placed under the drawer 8.
- the machine 1 comprises a heating chamber 24, the front wall of which is formed by the deflector 10.
- the heating chamber 24 comprises an upper heating element 23 on which is placed a glass plate and which is mounted on a fixed support.
- the heating chamber 24 comprises a lower heating element 19 on which is placed a glass plate and which is mounted on a support movable in rotation about an axis 20, and this axis 20 is itself controlled by a motor.
- the lower heating element 19 (with the glass plate and the movable support on which it is mounted) forms a closure element of the heating chamber 24: in an open position (illustrated on 3C for example), it opens a lower access passage to the heating chamber 24, and in a closed position (shown in Figure 3A for example), it closes the lower access passage.
- the heating elements 19, 23 have no contact with the product. They are fast heating (for example short infrared type), so that a rapid rise in temperature allows to heat and toast the outside of the product without necessarily warm the interior thereof. In addition, this provides a relatively short waiting time for users.
- the heating elements can, for example, according to the selected heating program, operate in one of two modes: continuous or intermittent. The choice of mode is related to the product types and product renderings desired.
- the heating elements (lower 19 and upper 23) can operate identically
- the machine 1 is provided with a preheating system, to maintain the heating chamber at a preheating temperature (for example between 100 and 120 ° C), which will make it possible to reach the toasting temperature more quickly (for example between 150 and 170 ° C.).
- a preheating temperature for example between 100 and 120 ° C
- the preheating system is activated via a "supervisor" mode on the touch interface 29.
- it is activated automatically (by the control means 32A, 32B), with programming function for example of time slots.
- the machine 1 comprises a plurality of closure elements, and some or all are provided with a lower heating element.
- the machine comprises two closure elements, each mounted on a support movable in rotation about an axis, so that: in the closed position, the two closure elements are horizontal and close the enclosure (with a very small spacing between the two closure elements), and in the open position, the two closure elements are vertical and there is therefore a passage to the heating chamber 24.
- the closing element (s) is (are) not provided with a lower heating element. In this case, only the upper part of the product is toasted by the upper heating element 23.
- the machine 1 comprises several upper heating elements.
- the machine 1 also comprises a second grid 25 (also called “hot grid” or “second vertically movable support member”) fixed on a raising / lowering system 30 (comprising for example a motor and a worm).
- a second grid 25 also called “hot grid” or “second vertically movable support member”
- a raising / lowering system 30 comprising for example a motor and a worm.
- the second grid 25 is movable between a low position, in which it is below the first grid 17 in the internal position (as illustrated in FIG. 3B), and a high position, in which it is on the one hand above the first grid 17 in the internal position and secondly in the heating chamber 24 (below the upper heating element 23 and above the lower heating element 19) (as shown in Figure 3D).
- the second grid 25 comprises a plurality of second parallel bars 26, able to intersect alternately with the first bars 18 of the first grid 17 when the second grid 25 passes through the first grid 17: in one direction to recover the product 16 and send it to the heating chamber 24, and in the other direction to redeposit the product 16 when it comes back from the heating chamber 24.
- the second gate 25 is thin and very openwork, thus allowing a homogeneous heating of the product in the lower part (by the lower heating element 19) and a rendering similar to that obtained in the upper part of the product (by the upper heating element 23).
- the second grid 25 is of flat shape (all the bars 26 are at the same height and have a straight profile).
- the second grid 25 is basket-shaped on at least two sides (the bars on the sides are higher than the others, and / or each bar has a U-shaped profile), for a good maintenance of the product. during the movements of the second grid 25.
- the machine 1 comprises a marking grid 37, situated in the heating chamber 24, below the upper heating element 23, at a height such that, when the second grid 25 is in the high position, the upper part of the product is in contact (light) or just below the marking grid 37.
- the upper part of the product is toasted with straight marks corresponding to the areas masked by the bars of the marking grid
- the lower part of the product also has rectilinear marks (which may form a pattern identical or not to that affixed to the upper part of the product) corresponding to the areas masked by the bars of the second grid 25 during heating by the lower heating element 19.
- control means 32A, 32B also make it possible to control the locking / unlocking means of the slide 8, so that the slide is locked in the closed position (that is to say with the first gate 17 in the internal position), unless the second gate 25 is in the low position.
- These locking / unlocking means of the drawer comprise for example a tab which blocks the drawer as soon as the second gate 25 is in a intermediate position slightly higher than the aforementioned low position.
- the low position of the second gate 25 corresponds to an unlocking position of the slide 8, while the intermediate position and all the positions above it are locking positions of the drawer.
- each machine 1 also comprises radiocommunication means (for example a GPRS chip) making it possible to have remote access to the programs and to the elements of the man-machine interface.
- radiocommunication means for example a GPRS chip
- FIGS. 3A-3G illustrates a step of operation.
- the user has interacted with the control means 32A, 32B, via the human-machine interface (i.e., the touch screen 29 and / or the code reader to bars 21), for the selection of a heating program (adapted to the product to be heated and toaster) and the unlocking of the drawer 8.
- the drawer 8 is locked by default in the closed position (for security reasons), and is unlocked only if the second grid 25 is in the low position.
- the drawer 8 is open (i.e. the first grid 17 is placed in the outer position) (see Figure 3A);
- the drawer 8 is closed (that is to say the first grid 17 is replaced in the internal position), then locked (see Figure 3B); once the product inside the machine 1 and the locked drawer (securing the first grid 17 in the internal position), the following operating cycle can be engaged:
- the lower heating element 19 temporarily passes into the open position and the second gate 25 rises from the low position to the high position, passing through the first gate 17 in the internal position (see FIG. 3C), to take the product, and through the lower access passage.
- the second gate 25 marks a downtime in a waiting position (outside the heating chamber and under the element lower heating in the closed position), the time that the heating chamber switches from the preheating temperature to the toasting temperature.
- the lower heating element 19 returns to the closed position (see FIG. 3D);
- the heating elements (lower 19 and upper 23) are activated according to the selected heating program, to heat and / or toast the product.
- the product is maintained in the heating chamber 24 for a predetermined period (defined in the selected heating program) from a minimum setpoint temperature (also called “toasting temperature”). This minimum setpoint temperature is measured in the heating chamber.
- the closure of the heating chamber makes it possible: to keep the heat generated by the heating elements closer to the product and to avoid any dispersion in the rest of the machine; to avoid any intervention in the heating chamber when the second gate 25 is inside the heating chamber; and to avoid an inertia heating of the first grid 17;
- the lower heating element 19 temporarily passes into the open position (see FIG. 3E) and the second gate 25 descends from the high position to the lower position, passing through the passage lower access (see Figure 3F) and through the first grid 17 in the internal position, to deposit the product. After the second gate 25 has left the heating chamber, the lower heating element 19 returns to the closed position (see FIG. 3G);
- the drawer 8 is open (i.e. the first grid 17 is placed in the outer position) as in FIG. 3A;
- the user takes the product on the first grid 17 placed in the external position
- the drawer 8 is closed (that is to say the first grid 17 is replaced in the internal position) and again locked, as in Figure 3B.
- first grid The horizontally movable element (first grid) is secured by a locking system according to the stages of the heating cycle; o Implementation of two mobile systems: one (first grid) for the removal of the product, the other (second grid) for the heating of the product, that is to say the one cold (moving element horizontally ) and the other hot (moving element vertically);
- Cleanability (to ensure the hygiene of the device): o Design of elements of the device facilitating disassembly without tools (example: moving element horizontally, moving element vertically);
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Stoves And Ranges (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1350940A FR3001622B1 (fr) | 2013-02-04 | 2013-02-04 | Machine pour rechauffer et/ou toaster un produit, et procede correspondant. |
PCT/EP2014/051729 WO2014118238A1 (fr) | 2013-02-04 | 2014-01-29 | Machine pour rechauffer et/ou toaster un produit, et procede correspondant |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2951796A1 true EP2951796A1 (fr) | 2015-12-09 |
Family
ID=48170714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14705298.9A Withdrawn EP2951796A1 (fr) | 2013-02-04 | 2014-01-29 | Machine pour rechauffer et/ou toaster un produit, et procede correspondant |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2951796A1 (fr) |
FR (1) | FR3001622B1 (fr) |
WO (1) | WO2014118238A1 (fr) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1396044B1 (it) * | 2009-10-16 | 2012-11-09 | Cierreci S R L | Apparecchio distributore automatico di prodotti alimentari, quali pizze od altri, riscaldati e metodo di funzionamento |
WO2011050486A1 (fr) * | 2009-10-28 | 2011-05-05 | Niemetz, Jerome | Installation de réchauffage de produits alimentaires en portions, frais, réfrigérés ou congelés pour casse-croûtes |
-
2013
- 2013-02-04 FR FR1350940A patent/FR3001622B1/fr active Active
-
2014
- 2014-01-29 WO PCT/EP2014/051729 patent/WO2014118238A1/fr active Application Filing
- 2014-01-29 EP EP14705298.9A patent/EP2951796A1/fr not_active Withdrawn
Non-Patent Citations (2)
Title |
---|
None * |
See also references of WO2014118238A1 * |
Also Published As
Publication number | Publication date |
---|---|
FR3001622B1 (fr) | 2016-08-19 |
WO2014118238A1 (fr) | 2014-08-07 |
FR3001622A1 (fr) | 2014-08-08 |
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