CN217847208U - Smoke discharging device and vending machine - Google Patents

Abstract

The application discloses fume extractor and vending machine. The smoke exhaust device comprises a smoke inlet pipeline, a fan and a smoke exhaust pipeline. The smoke inlet pipeline is used for being communicated with the heating chamber. The fan is arranged in the smoke inlet pipeline and used for pumping the oil smoke in the heating chamber into the smoke inlet pipeline. The smoke exhaust pipeline is communicated with the smoke inlet pipeline and used for exhausting the oil smoke. In the fume extractor and the vending machine of this application, advance tobacco pipe intercommunication heating cavity and fan setting in advancing the tobacco pipe, realize fume extractor's miniaturization, make fume extractor can set up in vending machine, the meal machine of selling.

Description

Smoke discharging device and vending machine

Technical Field

The application relates to the technical field of vending machines, in particular to a smoke exhaust device and a vending machine.

Background

The existing smoke exhaust filtering device is used in the environment of building such as kitchen, factory building, etc. The disadvantage is that the volume is large, the cost is high, and the application to automatic retail equipment such as vending machines, meal selling machines and the like is difficult. The current vending machine and meal selling machine often do not have the function of heating food, and one reason includes that the oil smoke generated when heating food is difficult to discharge in time. If the oil smoke is not discharged in time, the oil stain is easy to be attached to the devices in the meal selling machine to cause corrosion.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a smoke exhaust device. The smoke exhaust device comprises a smoke inlet pipeline, a fan and a smoke exhaust pipeline. The smoke inlet pipeline is used for being communicated with the heating chamber. The fan is arranged in the smoke inlet pipeline and used for sucking the oil smoke in the heating chamber into the smoke inlet pipeline. The smoke exhaust pipeline is communicated with the smoke inlet pipeline and used for exhausting the oil smoke.

In some embodiments, the smoke inlet duct comprises a smoke inlet section, a connecting section and a housing section. The smoke inlet section is communicated with a heating chamber of the heating device. The connecting section is communicated with the smoke exhaust pipeline. The accommodating section is connected with the smoke inlet section and the connecting section, and the accommodating section is used for accommodating the fan.

In certain embodiments, the inner diameter of the housing section is greater than the inner diameter of the smoke intake section.

In certain embodiments, the fan comprises a centrifugal fan.

In some embodiments, the smoke evacuation device further comprises a filter cartridge and a filter. The filter bin is communicated with the smoke inlet pipeline and the smoke exhaust pipeline. The filter is arranged in the filter bin and used for filtering the oil smoke.

In certain embodiments, the filter comprises filter cotton.

The embodiment of the application also provides a vending machine, including storage cabinet and supply cabinet. The storage cabinet comprises a goods channel and a refrigerating device, the goods channel is used for storing goods, and the refrigerating device is used for freezing or refrigerating the goods. The supply cabinet comprises a heating device, a heat preservation cabin and the smoke exhaust device in any one of the above embodiments. The heating device is provided with the heating chamber and is used for heating the goods contained in the heating chamber, the smoke exhaust device extends out of the supply cabinet and is used for exhausting the oil smoke in the heating device to the outside of the supply cabinet, and the heat preservation cabin is used for storing and preserving heat of the goods.

In some embodiments, the vending machine further comprises a transport mechanism comprising a delivery device for transporting the goods to the heating device and to the holding bin, the smoke evacuation device being positioned out of a path of travel of the delivery device.

In some embodiments, the heating device is located at the top of the supply cabinet, the holding chamber is located at the bottom of the supply cabinet, and the smoke inlet pipeline is located at the top of the supply cabinet and surrounds the moving path of the delivery device.

In some embodiments, the smoke inlet duct is located within the supply cabinet and extends in a horizontal direction, and the smoke outlet duct extends in a vertical direction and protrudes from a top of the supply cabinet.

The smoke exhaust device of the embodiment of the application is provided with the fan in the smoke inlet pipeline, so that the whole structure of the smoke exhaust device is miniaturized, and the smoke exhaust device can be arranged in vending machines and meal selling machines.

Additional aspects and advantages of embodiments of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of embodiments of the present application.

Drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic perspective view of a vending machine according to certain embodiments of the present application;

FIG. 2 is a schematic perspective view of a storage cabinet according to certain embodiments of the present application;

FIG. 3 is a schematic perspective view of a supply cabinet according to certain embodiments of the present application;

FIG. 4 is a perspective view of a portion of the structure of a storage cabinet according to certain embodiments of the present application;

FIG. 5 is a perspective view of a portion of a supply cabinet and a smoke evacuation device according to some embodiments of the present disclosure;

FIG. 6 is a perspective view of a portion of a supply cabinet according to certain embodiments of the present application;

FIG. 7 is a schematic illustration of a lane of certain embodiments of the present application;

FIG. 8 is a perspective view of a portion of the structure of a pickup device according to certain embodiments of the present application;

FIG. 9 is a schematic perspective view of a supply cabinet according to certain embodiments of the present application;

fig. 10 is a schematic perspective view of an insulation compartment according to some embodiments of the present disclosure.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for the purpose of explaining the embodiments of the present application, and are not to be construed as limiting the embodiments of the present application.

In the description of the present application, it is to be understood that the terms "thickness," "upper," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the figures, which are based on the orientations and positional relationships shown in the figures, and are used for convenience in describing the present application and for simplifying the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application. And the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present application, it should be noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and may in one example be fixedly connected, detachably connected, or integrally connected; may be mechanically or electrically connected, or may be in communication with each other; may be directly connected or indirectly connected through intervening media, and may be connected internally or in interactive relation with other elements.

Referring to fig. 1 to 3, the present embodiment provides a vending machine 100, wherein the vending machine 100 includes a storage cabinet 10, a supply cabinet 20, and a transmission mechanism 30. Referring to fig. 2 and 4, the storage cabinet 10 includes a cargo passage 11 and a refrigerating device 12, wherein the cargo passage 11 is used for storing food, and the refrigerating device 12 is used for freezing or refrigerating food. Referring to fig. 3, the supply cabinet 20 includes a heating device 21 and a heat-preserving chamber 22, the heating device 21 is used for heating food, and the heat-preserving chamber 22 is used for storing and preserving heat of food. The conveying mechanism 30 includes a pick-up device 31 and a delivery device 32, the pick-up device 31 is used for conveying the food from the cargo channel 11 to the supply cabinet 20, and the delivery device 32 is used for conveying the food to the heating device 21 and to the thermal insulation bin 22.

Referring to fig. 5, the present embodiment provides a smoke exhausting device 24, and the smoke exhausting device 24 can be applied to the vending machine 100 of the present embodiment for exhausting smoke generated by the vending machine 100. Therefore, the vending machine 100 with the food heating function can discharge oil smoke in time, and the oil smoke is prevented from corroding parts.

The vending machine 100 and the smoke evacuation device 24 according to the embodiment of the present application will be further described with reference to the drawings.

Referring to fig. 1, in some embodiments, the food sold by the vending machine 100 may be packaged food, such as meal boxes 200 (shown in fig. 3) containing food, snack bags, canned beverages, etc.; it may also be an unpackaged food such as bread, snack, etc. That is, the food may refer to only the food itself, or may refer to the food and the package of the food, and is not limited herein. Some food needs to be heated for sale, and the delivery device 32 can deliver the food to be heated to the heating device 21 for heating. Referring to fig. 3 and 6, in some embodiments, the heating device 21 includes a heating chamber 211 and a heater 212. A heating chamber 2111 is formed in the heating chamber 211, and a heater 212 is disposed in the heating chamber 211 for heating the food in the heating chamber 2111. The heater 212 is a microwave heater, a resistance wire heater, a gas stove, etc., and is not limited herein.

Referring to fig. 3 and 5, the smoke exhausting device 24 is disposed in the supply cabinet 20 for exhausting the oil smoke generated by the heating device 21. As shown in fig. 3, in some embodiments, the heating unit 21 is disposed above the insulated compartment 22, for example, the heating unit 21 is disposed at the top of the supply cabinet 20, and the insulated compartment 22 is disposed at the bottom of the supply cabinet 20, so that the fume extractor 24 can extract the fume from above the supply cabinet 20.

Referring to fig. 3 and 5, in some embodiments, the smoke exhaust 24 is disposed at the top of the supply cabinet 20 and avoids the moving path of the delivery device 32 to avoid interfering with the movement of the delivery device 32.

Referring to fig. 5 and 6, in some embodiments, the smoke exhaust device 24 includes a smoke inlet pipe 241, a fan (not shown), and a smoke exhaust pipe 242. The smoke inlet conduit 241 is adapted to communicate with the heating chamber 2111. The fan is disposed in the smoke inlet pipe 241 and is used for pumping the oil smoke in the heating device 21 into the smoke inlet pipe 241. The smoke discharge duct 242 is communicated with the smoke inlet duct 241 for discharging the oil smoke.

Referring to fig. 3 and 5, in some embodiments, the smoke inlet pipe 241 is located at the top of the supply cabinet 20 and around the outside of the path of the delivery device 32 to avoid interfering with the movement of the delivery device 32. For example, the smoke inlet duct 241 is located in the supply cabinet 20 and extends in a horizontal direction, and is disposed around the path of the delivery apparatus 32 such that the delivery apparatus 32 does not collide with the smoke inlet duct 241 when moving in the first direction (Z1/Z2), the second direction (X1/X2), or the third direction (Y1/Y2).

Referring to fig. 5, in some embodiments, a smoke exhaust duct 242 extends in a vertical direction and protrudes from the top of the supply cabinet 20 to exhaust smoke out of the supply cabinet 20. For example, the supply cabinet 20 includes a ceiling for covering the top of the supply cabinet 20. A smoke exhaust duct 242 extends through the top panel from the top of the supply cabinet 20.

Referring to fig. 5, in some embodiments, the smoke inlet pipe 241 includes a smoke inlet section 2411, a connecting section 2412, and a housing section 2413 connecting the smoke inlet section 2411 and the connecting section 2412. The smoke inlet section 2411 is communicated with a heating chamber 2111 of the heating device 21, the connecting section 2412 is communicated with the smoke exhaust pipe 242, and the accommodating section 2413 is used for accommodating a fan. Referring to fig. 3, in some embodiments, the smoke exhaust duct 242, the connecting section 2412 and the accommodating section 2413 are disposed at opposite sides of the heating device 21, and the smoke inlet section 2411 connects the accommodating section 2413 and the heating chamber 2111 along a third direction (Y1/Y2), so that the smoke inlet duct 241 and the smoke exhaust duct 242 are disposed at the top of the supply cabinet 20 around the moving path of the cargo conveying device 32.

In some embodiments, the inside diameter of the housing section 2413 is larger than the inside diameter of the smoke intake section 2411. Thus, the negative pressure of the receiving section 2413 can be increased, which is advantageous for sucking the oil smoke into the smoke inlet duct 241.

In some embodiments, the fan comprises a centrifugal fan to increase the extraction capacity of the smoke exhaust 24 and increase the flow of exhaust smoke.

In some embodiments, an oil passage (not shown) and an oil cup (not shown) are further disposed in the receiving section 2413 for collecting oil droplets. Specifically, the centrifugal fan can form negative pressure when working, oil drops are condensed under the centrifugal action of rotation of the oil smoke centrifugal fan, and the oil drops are discharged into the oil cup from the oil duct. In this way, the accumulation of oil droplets in the smoke inlet pipe 241 can be prevented.

In some embodiments, the smoke evacuation device 24 further includes a filter bin 243 and a filter (not shown). The filter chamber 243 is connected to the smoke inlet pipe 241 and the smoke exhaust pipe 242. The filter is disposed in the filter chamber 243 for filtering the oil smoke. In one embodiment, the filter includes filter cotton for adsorbing the odor of the soot to allow the smoke exhaust duct 242 to exhaust the odor-removed gas. Thus, the situation that the user experience is affected due to the fact that a large oil smoke smell exists near the vending machine 100 can be avoided.

Referring to fig. 3 and 6, in some embodiments, the heating chamber 211 comprises a plurality of chambers to heat a plurality of food items, so as to increase the meal delivery speed. In one embodiment, a heater 212 is disposed in each heating compartment 211, so that the heating time and the heating temperature of each heating compartment 211 can be controlled individually, thereby being suitable for heating different kinds of food. In yet another embodiment, multiple heating cartridges 211 share the same heater 212 to save cost. The food can be heated to various degrees by controlling the heating time of the food.

Referring to fig. 5, in some embodiments, the smoke exhausting device 24 also includes a plurality of smoke exhausting devices, and each smoke exhausting device 24 corresponds to one heating chamber 211 for exhausting the smoke generated by the heating chamber 211.

In some embodiments, the smoke inlet pipe 241 comprises a plurality of pipes, each smoke inlet pipe 241 is connected to one heating chamber 211, and each smoke inlet pipe 241 is connected to the same filtering chamber 243 to discharge the smoke through the same smoke discharge pipe 242. In this way, the number of filter bins 243 and flue tubes 242 can be reduced,

referring to fig. 3 and 6, in some embodiments, the heating device 21 further includes a heating chamber door 213 slidably disposed on the heating chamber 211. In one embodiment, the heating compartment door 213 is vertically movable relative to the heating compartment 211 to close or open the heating chamber 2111.

Referring to fig. 1, in some embodiments, food to be sold in the vending machine 100 is stored in the goods passage 11 and is in a normal temperature, a cold storage state or a frozen state according to different operating positions of the refrigeration device 12. For example, the cooling device 12 includes three operation stages, i.e., a normal temperature stage, a cold storage stage, and a freezing stage, for maintaining the temperature of the storage cabinet 10 at a normal temperature, a cold storage stage, and a freezing stage, respectively.

After the food is sold, the pick-up device 31 can transport the food from the goods passage 11 to the supply cabinet 20, then the delivery device 32 can transport the food to the heating device 21 for heating, and transport the heated food to the heat preservation bin 22 to wait for the user to pick up the food. In this manner, the vending machine 100 can freeze or refrigerate food in the cargo passage 11 to enable long-term storage of food; and can heat the frozen or refrigerated food to a temperature suitable for consumption and store the food in the insulated compartment 22 to avoid the food from being cold or spoiled due to too long time waiting for the user to take the meal.

Referring to fig. 1-3, in some embodiments, the vending machine 100 is capable of vending multiple types of food and selectively heating the food according to the type of food being vended.

Referring to fig. 4, for example, in a situation where the vending machine 100 sells packaged snacks, the refrigerating device 12 may be set to a normal temperature operating position, and the snacks are sold and directly sent to the heat-preserving chamber 22 for waiting for the user to take meals without being sent to the heating device 21 for heating. Under the condition that the vending machine 100 sells beverages, the refrigerating device 12 can be set to be a refrigerating working gear, the beverages can be directly sent into the heat preservation bin 22 after being sold to wait for a user to take meals, the beverages can be maintained at refrigerating temperature under the heat preservation effect of the heat preservation bin 22, and the phenomenon that the beverages are heated to lose ice taste when the external temperature is too high is avoided; alternatively, in the case where the vending machine 100 dispenses hot beverages, the beverages may be fed to the heating device 21 to be heated and fed to the warming compartment 22, and the warming function of the warming compartment 22 can maintain the temperature of the hot beverages to prevent the hot beverages from cooling down. Under the condition that vending machine 100 sells ice cream, can set up refrigerating plant 12 to freezing operating position, need not to send into heating device 21 after ice cream is sold and heat, directly send into heat preservation storehouse 22 and wait for the user to get the meal, the heat preservation effect in heat preservation storehouse 22 can avoid ice cream to get the in-process of meal at wait for the user and melt. In the case where the vending machine 100 sells refrigerated/frozen cooked foods such as fast food, lunch box, etc., the refrigerating device 12 may be set to a refrigerating or freezing operation position to prevent the foods in the storage cabinet 10 from being spoiled, and the sold foods are sent to the heating device 21 to be heated to a temperature suitable for eating and sent to the warming compartment 22 to be warmed to prevent the heated foods from being refrigerated or spoiled.

In some embodiments, the vending machine 100 can also only sell food that needs to be heated, or only sell food that does not need to be heated, without limitation.

Referring to fig. 1, in some embodiments, the storage cabinet 10 and the supply cabinet 20 are separate cabinets. In one embodiment, the holding cabinet 10 and the supply cabinet 20 are fixedly coupled. In yet another embodiment, storage cabinet 10 and supply cabinet 20 are removably connected for transportation after removal and for servicing after removal of storage cabinet 10 and/or supply cabinet 20. In some embodiments, the storage cabinet 10 and the supply cabinet 20 may be a unitary structure, and are not limited herein.

Referring to FIG. 1, in some embodiments, the bottom of the storage cabinet 10 and the supply cabinet 20 are provided with a plurality of casters 103 for supporting the vending machine 100 and facilitating movement of the vending machine 100. In some embodiments, casters 103 are horse wheels, which are capable of switching between a stationary mode and a mobile mode. In case of transportation of vending machine 100, caster 103 can be switched to a mobile mode to enable caster 103 to roll for transportation; when the vending machine 100 moves to the operation site, the casters 103 are switched to the fixed mode to prevent the casters 103 from rolling, and the vending machine 100 is fixed at the operation site.

Referring to fig. 2, in some embodiments, the article retrieving device 31 is disposed in the storage cabinet 10. Referring to fig. 3, the delivery device 32 is disposed in the supply cabinet 20. Like this, get goods device 31 and can be close to the setting of goods way 11, delivery device 32 can be close to heat preservation storehouse 22 or heating device 21 setting to shorten the transportation route that gets goods device 31 and delivery device 32 transportation food, can make the device overall arrangement in the vending machine 100 more compact, do benefit to the miniaturization that realizes vending machine 100.

In other embodiments, the transfer mechanism 30 may be disposed within the storage cabinet 10, and the delivery device 32 may extend from the storage cabinet 10 into the supply cabinet 20 to deliver the food to the heating device 21 or the warming compartment 22. Alternatively, the transfer mechanism 30 may be disposed within the supply cabinet 20, and the pickup device 31 may be extended from the supply cabinet 20 into the storage cabinet 10 to transfer the food located in the cargo passage 11 to the supply cabinet 20.

Referring to fig. 1, in some embodiments, the supply cabinet 20 includes a pick-up surface 2511 for a user to pick up food, and the storage cabinets 10 are arranged side by side with the supply cabinet 20 along an extending direction of the pick-up surface 2511.

For example, in the embodiment of fig. 1, the face of the holding bin 22 where the delivery door 228 is located is a pick-up face 2511 of the supply cabinet 20, and the user can open the delivery door 228 to remove food from the holding bin 22. The storage cabinets 10 are arranged side by side with the supply cabinets 20 on the left side in the extending direction of the pickup surface 2511. In other embodiments, the storage cabinet 10 may be disposed side by side with the supply cabinet 20 on the right side of the extending direction of the access surface 2511. In some embodiments, the cabinet wall 13 of the storage cabinet 10 on one side of the access surface 2511 in the extending direction is a transparent cabinet wall 13, and the transparent cabinet wall 13 faces the same side as the access surface 2511. The user can view the food to be sold in the storage cabinet 10 through the transparent cabinet wall 13 to facilitate the user to select the food. In some embodiments, a transparent window (not shown) may also be provided in cabinet wall 13 of cabinet 10 to facilitate a user viewing food items for sale within cabinet 10.

Referring to fig. 7, in some embodiments, the cargo way 11 includes a layer 111 and a conveying module 112 disposed on the layer 111, wherein the layer 111 is used for carrying food, and the conveying module 112 is used for conveying the food on the layer 111 to the pickup device 31. Therefore, the goods taking device 31 does not need to actively grab the food on the layer board 111, and the goods taking device 31 only needs to move to the corresponding position of the layer board 111 to wait for the conveying module 112 to convey the food, so that the design of the goods taking device 31 can be simplified.

Referring to fig. 2 and 7, in some embodiments, the layer 111 includes a plurality of layers 111 stacked in a height direction, and the pick-up device 31 can move in the height direction to pick up food on different layers 111.

Referring to fig. 2 and 7, in some embodiments, the layer 111 includes a plate 1111 and a wall 1112 extending upward from an edge of the plate 1111, a receiving space 1113 is formed between the wall 1112 and the plate 1111, and the receiving space 1113 is used for receiving food. The plate wall 1112 is formed with a delivery port 11121 communicating with the receiving space 2211, and the delivery module 112 is used for pushing the food out of the delivery port 11121. After the food is sold, the pick-up device 31 can move the delivery opening 11121 corresponding to the sold food, and the delivery module 112 can transfer the food from the delivery opening 11121 to the pick-up device 31.

Referring to fig. 2 and 4, in some embodiments, the refrigeration device 12 can generate cold air and deliver the cold air to the cargo channel 11. Referring to fig. 7, the plate 1111 is opened with a plurality of air holes 11111 for allowing the cold air to flow through the plurality of layers 111, so as to ensure that the food in the layers 111 of different heights can be cooled.

Referring to fig. 4, in some embodiments, the cooling device 12 includes an evaporator 121, a compressor 122 and a condenser 123 for generating cool air to cool the storage cabinet 10. In some embodiments, the cooling device 12 further includes a blower (not shown) for blowing cool air toward the cargo channel 11 to facilitate the circulation of cool air at the tier floors 111.

Referring to fig. 2, in some embodiments, the layer 111 is disposed between two opposite (horizontally) inner sidewalls 14 of the storage cabinet 10. The inner side wall 14 is provided with a heat insulation layer to insulate the external heat of the storage cabinet 10, so as to prevent the external heat from being conducted to the inside of the storage cabinet 10, thereby improving the refrigerating/freezing effect of the storage cabinet 10.

Referring to fig. 2 and 7, in some embodiments, each of the shelves 111 is provided with a plurality of transfer modules 112, and the plurality of transfer modules 112 divide the accommodating space 1113 into a plurality of sub-spaces, each of which is used for accommodating at least one food. Each of the transfer modules 112 can push the food received in the corresponding sub-space out of the transfer opening 11121.

In some embodiments, the transport module 112 includes a pushing plate 1121, a synchronization rail 1122, a synchronization member 1123, and a transport driving member (not shown). The synchronous track 1122 is used for dividing the accommodating space 1113 into a plurality of subspaces, the push plate 1121 is movably disposed on the synchronous track 1122, the synchronous piece 1123 is connected to the push plate 1121 and the transmission driving piece, and the transmission driving piece is used for driving the synchronous piece 1123 to rotate so as to drive the push plate 1121 to move along the synchronous track 1122 and push the food accommodated in the corresponding subspace to the delivery port 11121. In one embodiment, the transmission driving member may be a motor, and the synchronization member 1123 may include a transmission belt and a pulley 32345, the motor may drive the pulley 32345 to rotate, the pulley 32345 rotates to drive the transmission belt to rotate, and the pushing plate 1121 is connected to the transmission belt and moves in the sub-space along with the rotation of the transmission belt, so as to drive the food in the sub-space to move. In other embodiments, the synchronizing member 1123 may further comprise a transmission chain and a synchronizing wheel, or a sliding rail 32332 and a sliding block 32342, etc., without limitation.

In some embodiments, the transport module 112 includes a push plate 1121, a synchronization rail 1122, a synchronization member 1123, and a first mating member (not shown), wherein the synchronization member 1123 connects the push plate 1121 and the first mating member. The goods taking device 31 includes a transmission driving member (not shown) and a second mating member (not shown), the second mating member is used for mating with the first mating member, the transmission driving member is used for driving the second mating member to rotate so as to drive the first mating member to rotate, so that the first mating member drives the synchronizing member 1123 to rotate so as to drive the push plate 1121 to move along the synchronizing track 1122, and the food is pushed towards the conveying port 11121. The transmission driving member may be a motor, the synchronizing member 1123 may be a transmission belt and a pulley 32345, and the first engaging member and the second engaging member may be gears or other transmission methods, which are not limited herein. Therefore, it is not necessary to provide a transmission driving member for each transmission module to drive the pushing plate 1121 to move, and only one transmission driving member is required to be provided on the goods taking device 31 to drive the pushing plate 1121 corresponding to the subspace where the food is located to move when the food is taken, so that the cost can be saved.

Referring to fig. 2, in some embodiments, a monitoring camera (not shown) is disposed in the storage cabinet 10, and is used for monitoring the food remaining in the cargo channel 11, so as to facilitate timely replenishment of the cargo by the worker.

Referring to fig. 7, in some embodiments, the layer 111 is provided with a gravity sensor 113, and the gravity sensor 113 is used for detecting the weight of the food carried by the layer 111 to determine the food remaining amount of the layer 111, so as to remind the worker to timely replenish the food in case that the food remaining amount of the layer 111 is insufficient. For example, each tier 111 is provided with a gravity sensor 113, and the food balance of the entire lane 11 can be obtained in combination with the data of the gravity sensor 113 corresponding to each tier 111. When the food allowance of the whole goods passage 11 is lower than a preset threshold value, the communication module sends out prompt information to remind workers of timely replenishment.

In some embodiments, the picking device 31 may determine whether there is food left on the shelves 111 according to the data of the gravity sensor 113 corresponding to each shelf 111 to prevent the picking device 31 from picking food from the shelves 111 without food.

Referring to fig. 2 and 8, in some embodiments, the pickup device 31 includes a first pickup rail 311, a second pickup rail 312, and a pickup module 313. The second pickup track 312 is slidably connected to the first pickup track 311, and the second pickup track 312 is capable of moving in a first direction (Z1/Z2) relative to the first pickup track 311. The goods picking module 313 is used for carrying food, the goods picking module 313 is arranged on the second goods picking track 312 and can move along a second direction (X1/X2) relative to the second goods picking track 312, and the second direction (X1/X2) is basically vertical to the first direction (Z1/Z2). The term substantially perpendicular means that the first direction (Z1/Z2) and the second direction (X1/X2) may be completely perpendicular or may have a certain angle variation allowed in actual design. In one embodiment, the included angle between the substantially perpendicular first direction (Z1/Z2) and second direction (X1/X2) may range from [85 °,95 °, for example, the included angle between the first direction (Z1/Z2) and second direction (X1/X2) may range from 85 °, 86 °, 87 °, 88 °, 89 °, 90 °, 91 °, 92 °, 93 °, 94 °,95 °, and so forth, not to mention one.

For example, in the embodiment of fig. 2, the first direction (Z1/Z2) is a vertical direction and the second direction (X1/X2) is a horizontal direction. The pick-up module 313 can move along a second direction (X1/X2) relative to the second pick-up track 312 to pick up food at different levels on the same layer 111. The second pickup track 312 can move along the first direction (Z1/Z2) relative to the first pickup track 311 to drive the pickup module 313 to move to the layer plates 111 on different layers.

Referring to fig. 8, in some embodiments, the pickup module 313 includes a main body 3131, a mover 3132, and a moving motor (not shown). The main body 3131 is used to carry food. The moving member 3132 is slidably connected to the second pickup rail 312 and can move in a second direction (X1/X2) relative to the second pickup rail 312. The moving motor is used for driving the moving element 3132 to move along a second direction (X1/X2) on the second goods taking track 312, so as to drive the main body 3131 to move.

Referring to fig. 8, in some embodiments, the pickup module 313 further includes a belt 3133 disposed on the main body 3131, the belt 3133 being used for carrying food and being capable of moving along a third direction (Y1/Y2) relative to the main body 3131, the third direction (Y1/Y2) being orthogonal to the first direction (Z1/Z2) and the second direction (X1/X2). Referring to fig. 3, after the food is sold, the pick-up module 313 moves to the position of the delivery opening 11121 where the sold food is located, the delivery module 112 pushes the food out of the delivery opening 11121 and delivers the food onto the conveyor 3133, and the conveyor 3133 moves the food along the third direction (Y1/Y2) so that the food leaves the layer 111 and is completely carried on the conveyor.

Referring to fig. 8, in some embodiments, the pickup module 313 further includes a blocking plate 3134 disposed on the main body 3131 for blocking the food from moving in the third direction (Y1/Y2) to prevent the food from falling off the main body 3131. In some embodiments, the pickup module 313 further includes a distance sensor 3135 disposed on the stop plate 3134. The distance sensor 3135 is for detecting a distance between the food and the blocking plate 3134, and the transfer belt 3133 is capable of stopping moving in a case where the distance between the food and the blocking plate 3134 is less than a preset distance, so that the food stays on the main body 3131.

Referring to fig. 8 and 9, in some embodiments, the supply cabinet 20 further includes a transfer platform 23, the goods taking device 31 further includes a position sensor 314 disposed on the goods taking module 313, the position sensor 314 is used for detecting a position of the goods taking module 313 relative to the transfer platform 23, and the goods taking module 313 unloads the food to the transfer platform 23 when the goods taking module 313 reaches a predetermined position.

Referring to fig. 8 and 9, in some embodiments, the pickup module 313 further includes a pushing member 3136, and the pushing member 3136 is used for pushing the food to move along a second direction (X1/X2) to push the food to the transfer platform 23. In one embodiment, pusher 3136 is slidably coupled to stop plate 3134 and is slidable relative to stop plate 3134 in a second direction (X1/X2). In yet another embodiment, the main body 3131 is provided with a push track,

for example, the second pickup track 312 moves along a first direction (Z1/Z2) relative to the first pickup track 311, so as to drive the pickup module 313 to move to a position aligned with the horizontal direction of the transfer platform 23, and the pickup module 313 moves along a second direction (X1/X2) toward the transfer platform 23 relative to the second pickup track 312. The position sensor 314 is a distance measuring sensor, and when the distance measuring sensor detects that the distance between the pickup module 313 and the transfer platform 23 is smaller than the predetermined distance, the pickup module 313 stops moving along the second direction (X1/X2), and the pushing member 3136 pushes the food to the transfer platform 23.

Referring to fig. 3 and 9, in some embodiments, the inner sidewall 14 of the storage cabinet 10 adjacent to the supply cabinet 20 is provided with a first passage opening 141, and the first passage opening 141 is used for delivering food out of the storage cabinet 10. Referring to fig. 8, the supply cabinet 20 includes a housing 25, a side wall 252 of the housing 25 adjacent to the storage cabinet 10 is opened with a second opening 2521, the second opening 2521 is aligned with the first opening 141, and the second opening 2521 is used for feeding food into the supply cabinet 20. In some embodiments, the first access opening 141 is proximate to the second access opening 2521, the staging platform 23 is aligned with the second access opening 2521 and proximate to the second access opening 2521, and the access module 313 can push food to the staging platform 23 at the access opening. In yet another embodiment, the transfer platform 23 is spaced apart from the second opening 2521, and the pickup device 31 can extend out of the opening and into the second opening 2521 to transport the food to the transfer platform 23.

Referring to fig. 2 and 9, in some embodiments, the storage cabinet 10 further includes a first closing device 15 for selectively closing or opening the first access port 141. In the case where no food is transported from storage cabinet 10 to serving cabinet 20, first closing device 15 closes first passage port 141 to isolate cold air in storage cabinet 10, prevent cold air from leaking to cause a decrease in cooling effect, and prevent cold air from entering serving cabinet 20 through second passage port 2521. In a case where the pick-up module 313 transports the food in the storage cabinet 10 to the supply cabinet 20, the first closing device 15 opens the first passage port 141 so that the pick-up module 313 can deliver the food out of the storage cabinet 10 from the first passage port 141.

Referring to FIG. 2, in some embodiments, the first sealing device 15 includes a sealing door 151 and a sealing door actuator 152. The closing door driver 152 is connected to the closing door 151 and is configured to drive the closing door 151 to move relative to the first access opening 141 to selectively close or open the first access opening 141. The closing door driver 152 may be a motor, a cylinder, etc., and is not limited herein.

In one embodiment, a closing door 151 and a closing door driver 152 are provided inside the cabinet 10, and the closing door 151 is slidably coupled with the inner sidewall 14 of the cabinet 10. For example, the closing door 151 is provided with sliding rails or slides, and correspondingly the inner side wall 14 is provided with sliding blocks or rails, which are slidably connected to the sliding blocks. The closing door actuator 152 is used to drive the closing door 151 to slide along the inner side wall 14. Thus, the first closing means 15 does not occupy the space between the first passage port 141 and the second passage port 2521, and the storage cabinet 10 and the supply cabinet 20 can be closely arranged so that the first passage port 141 and the second passage port 2521 are closely arranged to reduce the transmission path of the food.

In yet another embodiment, a closing door 151 and a closing door driver 152 are provided at the outside of the storage cabinet 10, and the closing door 151 is slidably coupled with the outside wall 16 of the storage cabinet 10. For example, the closing door 151 is provided with a slide or slide, and correspondingly the outer side wall 16 is provided with a slide or slide, which is slidably connected to the slide. A closing door actuator 152 is used to actuate the closing door 151 along the exterior sidewall 16. In this manner, the operation of the closed door actuator 152 in a low temperature environment can be avoided to improve the service life.

In yet another embodiment, the closing door driver 152 is disposed at an inner side or an outer side of the storage cabinet 10, the closing door 151 is telescopically disposed within the first access opening 141, and the closing door driver 152 is used to drive the closing door 151 to extend to close the first access opening 141 and to drive the closing door 151 to retract to open the first access opening 141.

Referring to fig. 9, in some embodiments, the supply cabinet 20 further includes a second closing device (not shown) for selectively closing or opening the second passage opening 2521. In the case where no food is transported from cabinet 10 to cabinet 20, the second closing means closes second opening 2521 to isolate the cold air in cabinet 10 from entering cabinet 20 through second opening 2521. In the case that the pick-up module 313 transports the food in the storage cabinet 10 to the supply cabinet 20, the second closing device opens the second passage 2521, so that the pick-up module 313 can transport the food from the second passage 2521 into the supply cabinet 20.

The second closing device may have the same or approximately the same structure as the first closing device, for example, the second closing device may also include a closing door and a closing door driver, which is not limited herein. The location of the second enclosure in the supply cabinet 20 may be similar to the location of the first enclosure 15 in the storage cabinet 10, for example, the enclosure door may be disposed outside, inside or within the second opening 2521 of the supply cabinet 20, and the enclosure door driver may be disposed outside or inside the supply cabinet 20, which will not be described herein.

Referring to fig. 3, in some embodiments, the delivery device 32 includes a first delivery track 321, a second delivery track 322, and a delivery module 323. The delivery module 323 is disposed on the first delivery track 321 and is capable of moving along a first direction (Z1/Z2) relative to the first delivery track 321. The first delivery rail 321 is slidably connected to the second delivery rail 322 and is movable in a second direction (X1/X2) with respect to the second delivery rail 322, the second direction (X1/X2) being substantially perpendicular to the first direction (Z1/Z2). The term substantially perpendicular means that the first direction (Z1/Z2) and the second direction (X1/X2) may be completely perpendicular, or may be an angle variable allowed in actual design. In one embodiment, the included angle between the substantially perpendicular first direction (Z1/Z2) and second direction (X1/X2) may be in the range of [85 °,95 ° ], for example, the included angle between the first direction (Z1/Z2) and second direction (X1/X2) may be in the range of 85 °, 86 °, 87 °, 88 °, 89 °, 90 °, 91 °, 92 °, 93 °, 94 °,95 °, etc., to name but a few.

Referring to fig. 3, in one embodiment, the first direction (Z1/Z2) is a vertical direction, and the second direction (X1/X2) is a horizontal direction. The delivery module 323 can move along the vertical direction relative to the first delivery rail 321, and the first delivery rail 321 can drive the delivery module 323 to move along the horizontal direction relative to the second delivery rail 322, so that the delivery module 323 can move along the vertical and horizontal directions.

Referring to fig. 3, in some embodiments, the first delivery track 321 includes a first track member 3211 and a coupler 3212. The delivery module 323 is disposed on the first track member 3211, and the joint 3212 connects the first track member 3211 and the second delivery track 322. The engaging member 3212 is configured to drive the first track member 3211 to move along a second direction (X1/X2) relative to the second delivery track 322.

Referring to fig. 3, in some embodiments, the second goods delivering track 322 includes a second track member 3221 and a fixing member 3222, and the second track member 3221 is mounted on the fixing member 3222. In one embodiment, the fixing member 3222 may be disposed on the top, bottom, or inner sidewall 252 of the supply cabinet 20, which is not limited herein. In yet another embodiment, the supply cabinet 20 further includes a bracket 27, and the fixing member 3222 is fixedly mounted to the bracket 27.

The moving member 3132 is slidably disposed on the second rail member 3221 to drive the first rail member 3211 to move along a second direction (X1/X2) relative to the second delivery rail 322. For example, the moving member 3132 is a sliding block 32342, the second track member 3221 is a sliding rail 32332, and the second track member 3221 extends along the second direction (X1/X2). The moving member 3132 can slide along the second track member 3221 to drive the first track member 3211 to move along a second direction (X1/X2) relative to the second delivery track 322.

Referring to fig. 3 and 10, in some embodiments, the thermal insulation chamber 22 includes a chamber 221 and an upper door 222. The compartment 221 is provided with an accommodating space 2211 and a loading port 2212 communicating with the accommodating space 2211. The receiving space 2211 is used for storing food and keeping warm, and the upper door 222 is installed to the compartment 221 in a turnable manner and can shield the upper opening 2212. The delivery module 323 can push the upper door 222 to turn over to extend into the receiving space 2211, and deliver the food held by the grab bar 32321 into the compartment 221.

Referring to fig. 10, in some embodiments, the number of the compartments 221 is multiple, the multiple compartments 221 are distributed along the first direction (Z1/Z2) and the second direction (X1/X2), and the delivery device 32 can move along the first direction (Z1/Z2) and/or the second direction (X1/X2) to deliver the food into the corresponding compartments 221.

In some embodiments, the loading door 222 is pivotably connected to the compartment 221 by a hinge, a pivot, a torsion spring, a hinge, or other connecting element.

In some embodiments, the upper cargo door 222 is provided to the upper end of the upper cargo port 2212 by a hinge (not shown). In this way, the upper door 222 closes the upper port 2212 by its own weight without pushing the upper door 222 to turn over by an external force.

In some embodiments, the hinges comprise self-rebounding hinges for engaging the upper cargo door 222 to automatically close the upper cargo opening 2212. In the case where the upper cargo door 222 is turned without being pushed by an external force, the upper cargo door 222 closes the upper cargo opening 2212 by the resilient action of the automatically resilient hinge. In this manner, the upper door 222 is not limited to being provided above the upper opening 2212, and may be provided at a lower end, a left end, a right end, and the like of the upper opening 2212.

Referring to fig. 3 and 10, in some embodiments, the vending machine 100 packages food to be vended by the meal boxes 200. The compartment 221 can stack a plurality of (packaged) foods in the height direction of the compartment 221, and the delivery device 32 can repeatedly grip and release the plurality of foods to be stacked in the same compartment 221. For example, when a user purchases a package at a vending machine, the main food, the dish, and the soup in the package are separately loaded into the three lunch boxes 200, and the delivery device 32 can feed the lunch boxes 200 corresponding to the main food, the dish, and the soup into the heating device 21 to be heated and fed into the same bin 221, so that the three lunch boxes 200 corresponding to the same package can be stacked in the same bin 221, and the user does not need to take the package from different bins 221.

Referring to fig. 3 and 10, in another embodiment, the pick-up device 31 stacks a plurality of food items on the transfer platform 23 (as shown in fig. 9), the heating device 21 can receive a plurality of stacked food items, the delivery device 32 can take a plurality of stacked food items from the transfer platform 23 at a time and deliver the plurality of stacked food items to the heating device 21 for heating, and deliver the heated plurality of stacked food items to the same compartment 221.

Referring to fig. 10, in some embodiments, the thermal insulation chamber 22 further includes an alignment unit (not shown). The alignment unit is disposed in the chamber 221 or the loading door 222. Referring to fig. 3, the delivery device 32 further includes an alignment sensor (not shown) disposed on the delivery module 323, and the alignment sensor is used for identifying an alignment unit to align the delivery module 323 with the loading port 2212. For example, the alignment unit is a hall element, and the alignment sensor is a hall sensor. The induction signal is triggered if the hall sensor detects a hall element. Referring to fig. 9, the second driving assembly 3234 drives the two grasping rods 32321 to extend relative to the base 3231 according to the sensing signal, so as to feed the food into the compartment 221.

Referring to fig. 10, in some embodiments, the insulated compartment 22 further includes a shielding plate 225, the shielding plate 225 and the upper cargo door 222 are used together to shield the upper cargo opening 2212, the shielding plate 225 is provided with two escape slots 2251, and the escape slots 2251 are used for allowing two grab bars 32321 (shown in fig. 9) to move out of the compartment 221.

In some embodiments, the chamber 221 is provided with a heat insulating material to provide a better heat insulating effect for the heat insulating chamber 22. In some embodiments, the upper cargo door 222 and the shielding plate 225 are provided with heat insulating materials on the inner side of the compartment 221, so that the heat insulating effect of the compartment 221 can be improved when the upper cargo door 222 and the shielding plate 225 shield the upper cargo opening 2212.

In some embodiments, the thermal insulation chamber 22 further comprises a thermal insulation member disposed in the chamber 221 for maintaining the temperature of the chamber 221 within a predetermined temperature range. The heat retaining member may include a heater 212 member such as a heating wire, a heat retaining lamp, etc., without limitation. For example, the heat retaining member is a heat retaining lamp capable of generating heat radiation to irradiate the food in the compartment 221 to maintain the temperature of the food and prevent the food from being cooled or damaged. For another example, the thermal insulation member is an electric heating wire, and the thermal insulation chamber 22 further includes a partition (not shown) disposed at the bottom of the chamber 221, and the electric heating wire is disposed below the partition for heating the partition. The food fed into the heat-insulating bin 22 is placed above the partition plate and heated by the electric heating wire. Therefore, the food can be prevented from being scalded due to the fact that the heating wire directly contacts with the food to heat.

In some embodiments, the thermal insulating compartment 22 further comprises an infrared sensor 227 disposed at the bottom of each compartment 221 for detecting whether food is present in the compartment 221, so that the vending machine 100 prompts the user to fetch food in the corresponding compartment 221 when food is present in the compartment 221.

In some embodiments, the infrared sensor 227 at the bottom of the compartment 221 is also used to detect whether the delivery module 323 delivers the food into the compartment 221 at a proper position, so as to ensure that the food in the compartment 221 does not block the upper door 222 from returning to the original position after the two grab bars 32321 are retracted relative to the base 3231.

Referring to fig. 10, in some embodiments, the compartment 221 is provided with a delivery port 2213 which is communicated with the receiving space 2211 and is opposite to the delivery port 2212, the delivery port 2213 is used for a user to take food out of the compartment 221, the insulation compartment 22 further comprises a delivery door 228, the delivery door 228 is disposed on the compartment 221 and corresponds to the delivery port 2213, and the delivery door 228 is locked to close the delivery port 2213 when food is in the compartment 221.

In some embodiments, the door 228 is transparent, so that the user can observe the food in the compartment 221 through the door 228, thereby facilitating the user to take the meal. It is also possible to make passers-by who pass through the vending machine 100 see the food in the compartment 221, arousing the desire of passers-by to buy.

Referring to fig. 3 and 9, in some embodiments, the supply cabinet 20 further includes a housing 25, and the delivery device 32, the heating device 21 and the thermal insulation chamber 22 are accommodated in the housing 25. In some embodiments, the housing 25 includes a supply wall 251 and an operation panel 253 disposed on the supply wall 251. Referring to fig. 1, the pick-up surface 2511 of the supply cabinet 20 is the outward facing wall surface of the supply wall 251. Referring to fig. 10, the supply wall 251 is provided with an opening 2512, and the opening 2512 corresponds to the outlet 2213 of the thermal insulation bin 22. The delivery door 228 of the insulated compartment 22 covers the delivery port 2213 and the opening 2512. The operation panel 253 is used for the function user to input purchase information. The purchase information may include ordering information, meal taking information, etc., without limitation. In some embodiments, the operation panel 253 may be provided to the storage cabinet 10. For example, in the embodiment of fig. 1, the operation panel 253 is disposed on a side of the storage cabinet 10 facing the same side as the goods-taking surface 2511, which is not limited herein.

In some embodiments, after the user enters ordering information and pays, the food ordered by the user will be sent to the holding bin 22. After the user inputs meal-taking information (e.g., meal-taking code), the corresponding delivery door 228 of the insulated compartment 22 unlocks the open compartment 221 for the user to take the food in the compartment 221.

In some embodiments, the operation panel 253 includes a touch screen for displaying purchase information. The user can touch the touch screen to input purchase information. In yet another embodiment, the operation panel 253 includes a display screen displaying purchase information and operation keys for a user to input the purchase information.

In some embodiments, the supply cabinet 20 further comprises a main control system (not shown) electrically connected to the operation panel 253 and the transporting mechanism 30 for controlling the transporting mechanism 30 to take food from the storage cabinet 10, feed the food into the heating device 21 for heating, and feed the food into the heat-preserving chamber 22 according to the purchase information.

In some embodiments, the main control system is further electrically connected to the thermal insulation chamber 22, and the thermal insulation chamber 22 can feed back the empty condition of the chamber 221 to the main control system, so that the main control system can control the conveying mechanism 30 to convey the food into the empty chamber 221. After the user inputs the meal taking information, the main control system controls the corresponding delivery door 228 of the compartment 221 to unlock and open the compartment 221 according to the meal taking information, so that the user can take the food in the compartment 221.

In some embodiments, the supply cabinet 20 further includes a network module (not shown) electrically connected to the main control system for connecting to the internet. The user can remotely input purchase information on an online ordering page of the vending machine 100 in the modes of App, small program and the like, and the network module can acquire the remote purchase information of the user, so that the main control system can make a meal according to the remote purchase information. The prepared food is stored in the holding chamber 22 according to the remote purchase information, and the holding chamber 22 can maintain the temperature of the food to prevent the food from being cooled down or damaged while waiting for the user to take the meal. Therefore, the user after ordering does not need to take the meal immediately, and does not need to worry about the cold or bad food caused by untimely taking of the meal. In addition, the user can place an order remotely in advance, so that the user can take meals from the heat preservation bin 22 immediately when arriving at the position of the vending machine 100, and long-time waiting for meals is avoided.

Referring to fig. 3, in some embodiments, the supply cabinet 20 further includes a bill printing device 261, and the bill printing device 261 is electrically connected to the host system for printing the bill according to the purchase information. The supply wall 251 is provided with a note outlet 254, the note outlet 254 being for the output of notes.

Referring to fig. 3, in some embodiments, the supply cabinet 20 further includes a utensil release device 262, and the utensil release device 262 is electrically connected to the main control system for providing a corresponding amount of utensils according to the purchase information. The supply wall 251 is provided with a dish outlet 255, and the dish outlet 255 is used for outputting dishes.

Referring to fig. 3, in some embodiments, the supply cabinet 20 further includes a bag dispenser 263, and the bag dispenser 263 is electrically connected to the main control system for providing the bags according to the purchase information. The supply wall 251 is provided with a bag outlet 256, and the bag outlet 256 is used for outputting the bag.

Referring to FIG. 3, in some embodiments, the supply cabinet 20 includes a placement platform 28 disposed on the pick-up surface 2511, and a user may place food on the placement platform 28 after a pick-up, waiting for output of a ticket, cutlery, or packaging. In certain embodiments, the dishes can be output from the dish outlet 255 to the placement table 28 to avoid the dishes falling to the floor.

As described above, in the smoke exhauster 24 and the vending machine 100 according to the embodiment of the present invention, the smoke inlet duct 241 is communicated with the heating chamber 2111, and the fan is provided in the smoke inlet duct 241, so that the smoke exhauster 241 can be miniaturized and the smoke exhauster 241 can be installed in the vending machine 100.

In the description herein, references to the description of the terms "certain embodiments," "one example," "exemplary," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application and that variations, modifications, substitutions and alterations in the above embodiments may be made by those of ordinary skill in the art within the scope of the present application.

Claims (10)

1. A smoke evacuation apparatus, comprising:

the smoke inlet pipeline is used for being communicated with the heating chamber;

the fan is arranged in the smoke inlet pipeline and used for pumping the oil smoke in the heating chamber into the smoke inlet pipeline; and

and the smoke exhaust pipeline is communicated with the smoke inlet pipeline and is used for exhausting the oil smoke.

2. The smoke evacuation apparatus of claim 1 wherein said smoke inlet duct comprises:

a smoke inlet section in communication with the heating chamber;

the connecting section is communicated with the smoke exhaust pipeline; and

and the containing section is connected with the smoke inlet section and the connecting section and is used for containing the fan.

3. The smoke evacuation device of claim 2, wherein an inner diameter of the housing section is greater than an inner diameter of the smoke intake section.

4. A smoke evacuation apparatus as claimed in claim 3 wherein said fan comprises a centrifugal fan.

5. The smoke evacuation apparatus of claim 1, further comprising:

the filter bin is communicated with the smoke inlet pipeline and the smoke exhaust pipeline; and

and the filter is arranged in the filter bin and is used for filtering the oil smoke.

6. A smoke evacuation apparatus as claimed in claim 5 wherein said filter comprises filter cotton.

7. A vending machine, characterized in that the vending machine comprises:

the refrigerator comprises a storage cabinet, a refrigeration device and a control device, wherein the storage cabinet comprises a cargo channel and the refrigeration device, the cargo channel is used for storing cargos, and the refrigeration device is used for freezing or refrigerating the cargos; and

a supply cabinet comprising a heating unit defining said heating chamber and adapted to heat said goods received in said heating chamber, a holding compartment extending from said supply cabinet and adapted to discharge fumes from said heating unit out of said supply cabinet, and a fume extractor according to any one of claims 1 to 6 adapted to store and hold said goods.

8. The merchandiser of claim 7, further comprising a transport mechanism comprising a delivery device for delivering the goods to the heating device and to the holding bin, the smoke evacuation device being positioned out of the path of travel of the delivery device.

9. The vending machine of claim 8, wherein the heating device is located at a top of the supply cabinet, the holding bin is located at a bottom of the supply cabinet, and the smoke inlet duct is located at the top of the supply cabinet and is routed outside a path of travel of the delivery device.

10. The merchandiser of claim 7, wherein said smoke inlet duct is located within said supply cabinet and extends in a horizontal direction and said smoke outlet duct extends in a vertical direction and extends out of the top of said supply cabinet.

Images