CN112826227A

CN112826227A - Dining car

Info

Publication number: CN112826227A
Application number: CN202110214239.9A
Authority: CN
Inventors: 张婷; 张兆银
Original assignee: Illinois Tool Works Inc
Current assignee: Illinois Tool Works Inc
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-05-25

Abstract

The embodiment of the application provides a dining car, which comprises a cabinet body, a temperature adjusting device, a driving device, an emergency stop device and a control device, wherein an accommodating space is formed inside the cabinet body and used for accommodating food which is kept in a certain temperature range; the temperature adjusting device is connected with the inner wall of the cabinet body and used for adjusting the temperature in the accommodating space; the driving device comprises a plurality of driving wheels and a power part, the plurality of driving wheels are arranged at the bottom of the cabinet body, and the power part is connected with at least one driving wheel and used for controlling the driving wheels to move; the emergency stop device comprises a sensing part, the sensing part is connected with the cabinet body and the power part, and the sensing part faces the outside of the cabinet body; the control device is respectively connected with the temperature adjusting device and the driving device. The dining car of this application embodiment can realize the inside temperature regulation of the cabinet body through temperature regulation device, realize the helping hand of dining car through drive arrangement and remove and realize moving emergency stop when the in-process meets the barrier through scram device, avoid the collision to take place.

Description

Dining car

Technical Field

The application relates to the technical field of food containing equipment, in particular to a dining car.

Background

The dining car is generally used in a restaurant or banquet scene, and a worker can push the dining car to move to each dining table position and take out food contained in the dining car to place on the dining table. However, since the dining car is unreasonable and heavy, it is difficult for the operator to control the movement of the dining car and the operator needs to control the moving direction of the dining car at any time. Inconvenience is caused to the use of the dining car and the operation of workers.

This section is intended to provide a background or context to the embodiments of the application that are recited in the claims. The description herein is not admitted to be prior art by inclusion in this section.

Disclosure of Invention

The embodiment of the application provides a dining car, so as to solve or alleviate one or more technical problems in the prior art.

As an aspect of the embodiments of the present application, an embodiment of the present application provides a dining car, including:

the refrigerator comprises a cabinet body, a door and a door, wherein an accommodating space is formed inside the cabinet body and is used for accommodating food;

the temperature adjusting device is connected with the inner wall of the cabinet body and used for adjusting the temperature in the accommodating space;

the driving device comprises a plurality of driving wheels and a power part, the plurality of driving wheels are arranged at the bottom of the cabinet body, and the power part is connected with at least one driving wheel and used for controlling the driving wheels to move;

the emergency stop device comprises a sensing part, the sensing part is connected with the cabinet body and the power part, and the sensing part faces the outside of the cabinet body;

and the control device is respectively connected with the temperature adjusting device and the driving device.

In one embodiment, the temperature adjusting device includes a heating mechanism connected to at least an inner wall of the cabinet around the accommodating space.

In one embodiment, the temperature adjustment device further comprises a refrigeration mechanism connected at least to the inner wall of the cabinet around the accommodation space.

In one embodiment, the dining car further comprises a brake mechanism, a brake part of the brake mechanism is arranged on at least one driving wheel and is connected with the control device, and the brake part is used for stopping the driving wheel.

In one embodiment, the cabinet body has a first side and a second side which are oppositely arranged, and the first side forms a cabinet door; the sensing part is arranged on at least the first side surface and/or the second side surface.

In one embodiment, the dining car further comprises a power supply device arranged at the bottom of the cabinet body, and the power supply device is connected with the temperature adjusting device and the driving device; the power supply device is also provided with a charging interface which is used for charging the power supply device under the condition that the charging interface is connected with the power supply.

In one embodiment, the inner wall of the cabinet is provided with an insulating layer.

In one embodiment, the dining car further comprises a temperature sensor connected with the inner wall of the cabinet body, and the detection end of the temperature sensor extends into the accommodating space and is used for detecting the temperature in the accommodating space; the temperature sensor is also connected with the temperature adjusting device.

In one embodiment, the dining car further comprises a positioning device, a first image acquisition device and a path planning device which are arranged on the cabinet body; the positioning device is used for determining the current position of the cabinet body; the first image acquisition device is used for acquiring an environmental image around the cabinet body; the path planning device is electrically connected with the positioning device and the first image acquisition device and used for planning the running track of the cabinet body according to the current position of the cabinet body, the target position to be reached by the cabinet body and the environment image around the cabinet body.

In one embodiment, the sensing portion employs at least one of a switch, a button, or an infrared sensor.

In one embodiment, the driving wheel adopts a universal wheel and a directional wheel, or adopts the universal wheel completely, and the power part adopts a rear axle differential and a driving motor, or a wheel hub motor.

In an implementation mode, a plurality of partition boards are arranged inside the cabinet body, accommodating spaces are formed between the areas clamped by the partition boards and the inner wall of the cabinet body, openable cover plates are arranged at the opening ends, close to the cabinet doors of the cabinet body, of the accommodating spaces, and the cover plates are used for sealing the corresponding accommodating spaces.

In one embodiment, a plurality of partition boards are arranged inside the cabinet body, and the area clamped between the partition boards and the inner wall of the cabinet body form an accommodating space; the gravity sensor is arranged on the partition board at the bottom of each accommodating space, the first display screen is arranged in each accommodating space in a distributed mode and connected with the gravity sensor, and the first display screen is used for displaying the time for placing food into the corresponding accommodating space according to the signal of the gravity sensor.

In one implementation mode, the dining car further comprises a second image acquisition device and a second display screen, the second display screen is arranged inside or outside the cabinet body, the second image acquisition device is electrically connected with the second display screen, the second image acquisition device is used for acquiring images of food put into the cabinet body, and the second display screen is used for displaying the images according to the time sequence of the images acquired by the second image acquisition device.

In one embodiment, the dining car further comprises a humidity adjusting device connected with the inner wall of the cabinet body for adjusting the humidity in the accommodating space.

The dining car of this application embodiment can realize the inside temperature regulation of the cabinet body through temperature regulation device, realize the helping hand of dining car through drive arrangement and remove and realize moving emergency stop when the in-process meets the barrier through scram device, avoid the collision to take place.

The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present application will be readily apparent by reference to the drawings and following detailed description.

Drawings

In the drawings, like reference numerals refer to the same or similar parts or elements throughout the several views unless otherwise specified. The figures are not necessarily to scale. It is appreciated that these drawings depict only some embodiments in accordance with the disclosure and are therefore not to be considered limiting of its scope.

Fig. 1 shows a block diagram of a dining car according to an embodiment of the present application.

Fig. 2 shows an internal structure view of a dining car according to an embodiment of the present application.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present application. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

As one aspect of the embodiment of the present application, as shown in fig. 1 and 2, the present embodiment provides a dining car 100, and the dining car 100 includes a cabinet 1, a temperature adjusting device 2, a driving device 3, an emergency stop device and a control device.

The cabinet 1 is formed with an accommodating space 11 therein, and the accommodating space 11 is used for accommodating food.

The shape, structure and size of the cabinet body 1 can be selected and adjusted according to the requirement. The arrangement position, shape, number and size of the accommodating space 11 in the cabinet 1 can be selected and adjusted according to the needs. For example, a plurality of accommodating spaces 11 may be formed inside the cabinet 1, and the size of each accommodating space 11 may be the same or different. The food contained in the containing space 11 may be cooked dishes, sweets, cold drinks, wine or semi-finished products of vegetables, meat and the like to be processed.

The temperature adjusting device 2 is connected with the inner wall of the cabinet body 1 and used for adjusting the temperature in the accommodating space 11, so that the temperature in the accommodating space 11 is reduced to realize a refrigeration function, and/or the temperature in the accommodating space 11 is increased to realize a heat preservation function.

The temperature adjustment device 2 may have any structure in the related art as long as it can cool and/or heat the environment in the accommodating space 11. For example, the temperature adjustment device 2 may adopt a unit, a heating pipe, a fan, and the like to realize a heating function. The temperature control device can adopt structures such as a unit, a refrigeration pipeline and the like to realize the refrigeration function. The unit can be composed of an evaporator, a condenser, a throttling device and a compressor.

The driving device 3 may include a plurality of driving wheels 31 and a power section. A plurality of driving wheels 31 are arranged at the bottom of the cabinet 1, and a power part is connected with at least one driving wheel 31 for controlling the driving wheel 31 to move.

The driving wheel 31 may be directly disposed at the bottom of the cabinet 1, or may be connected to the bottom of the cabinet 1 through a mounting plate. The number and kind of the driving wheels 31 and the arrangement position at the bottom of the cabinet 1 can be selected and adjusted according to the need, and are not limited specifically herein. For example, the driving wheels 31 may be directional wheels and/or universal wheels, so as to realize the direction change and movement of the dining car 100 in any direction.

The power part controls the driving wheel 31 to move, which can be understood as controlling the driving wheel 31 to rotate, thereby moving the cabinet 1. And/or, the power part controls the driving wheel 31 to move, which can also be understood as controlling the driving wheel 31 to swing left and right, thereby adjusting the moving direction of the cabinet 1. The power unit may be a motor of any structure as long as it can control the rotation and swing of the driving wheel 31.

The scram device includes induction part 4, and induction part 4 is connected with cabinet body 1 and power portion, and induction part 4 sets up towards the outside of cabinet body 1.

The sensing part 4 may have any structure in the prior art as long as it can sense the obstacle in the moving direction of the dining car 100. For example, the sensing part 4 may employ a button or a switch. When the button or the switch is touched by the obstacle, the button or the switch is considered to collide with the obstacle, and the power part receives the signal of the sensing part 4 and controls the driving wheel 31 to stop rotating, so that the dining car 100 is braked, and the dining car 100 is prevented from continuously moving and colliding with the obstacle to cause damage. For example, the sensing unit 4 may be any sensor that detects an obstacle, such as an optical sensor or an infrared sensor. When the sensor detects that an obstacle exists in the preset distance in front, the dining car 100 is considered to collide with the obstacle, and the power part receives the signal of the sensing part 4 and controls the driving wheel 31 to stop rotating, so that the dining car 100 is braked, and the dining car 100 is prevented from continuously moving and colliding with the obstacle to cause damage.

The control device is connected with the temperature adjusting device 2 and the driving device 3 respectively.

The control device may be connected to the thermostat 2 and the drive device 3 by means of cables or wireless signals. The control device is used for controlling the temperature adjusting device 2 to adjust the temperature in the accommodating space 11. The control device is also used for controlling the driving part to adjust the rotating speed and the swinging direction of the driving wheel 31. The control means may be a manipulation button provided on the cabinet 1. The control button can be arranged at any position of the cabinet body 1 as long as the operation of workers can be facilitated. For example, the operation button may be disposed on the back of the cabinet 1, or on a cart handle disposed on the back of the cabinet 1, so as to facilitate the staff to adjust the state of the dining car 100 at any time while moving along with the dining car 100.

The dining car 100 of this application embodiment can realize through temperature regulation device 2 that the inside temperature of the cabinet body 1 is adjusted, realize through drive arrangement 3 that the helping hand of dining car 100 removes and realize moving the emergency stop when meetting the barrier through the scram device, avoid the collision to take place.

In one embodiment, the drive wheels 31 are directional wheels and/or universal wheels. For example, each driving wheel 31 is a directional wheel or a universal wheel. As another example, a directional wheel is used as a part of the driving wheel 31, and a universal wheel is used as a part of the driving wheel 31.

In one embodiment, the power section employs a rear axle differential and a drive motor disposed between two drive wheels 31 (e.g., directional wheels). The power part can also adopt an in-wheel motor.

In one embodiment, the temperature adjusting device 2 includes a heating mechanism connected to at least an inner wall of the cabinet 1 around the accommodating space 11. The heating mechanism is used for maintaining or increasing the temperature inside the accommodating space 11, so as to ensure that the temperature of the cooked dishes is not reduced.

The heating mechanism may adopt any heating structure in the prior art as long as the temperature in the accommodating space 11 can be adjusted. For example, the heating mechanism may adopt a unit (which may be composed of an evaporator, a condenser, a throttling device, and a compressor), a heating pipe, or a fan, etc. to realize the heating function.

In one embodiment, the temperature adjustment device 2 further comprises a refrigeration mechanism connected at least to the inner wall of the cabinet 1 around the accommodation space 11. The refrigerating mechanism is used for lowering the temperature inside the accommodating space 11 so that the optimum storage temperature is maintained in the accommodating space 11, for example: the storage temperature of the refrigerated food is maintained, or the frozen food put therein is not melted for a certain period of time.

The refrigeration mechanism may adopt any refrigeration structure in the prior art as long as the temperature in the accommodating space 11 can be adjusted. For example, the refrigeration mechanism may adopt a unit (which may be composed of an evaporator, a condenser, a throttling device, and a compressor), a refrigeration pipeline, and other structures to realize the refrigeration function.

In one example, the temperature adjusting device 2 includes a heating mechanism and a cooling mechanism, which are connected to at least an inner wall of the cabinet 1 around the accommodating space 11. So that the dining car 100 can simultaneously perform heating and cooling of the accommodating space 11.

In one example, a plurality of receiving spaces 11 may be formed in the dining car 100, a heating structure may be provided in a part of the receiving spaces 11, and a cooling structure may be provided in the remaining part of the receiving spaces 11.

In one embodiment, the dining car 100 further comprises a braking mechanism, a braking portion of the braking mechanism is arranged on at least one driving wheel 31 and connected with the control device, and the braking portion is used for stopping the driving wheel 31 under the control of the control device. The brake portion may be any structure known in the art as long as the driving wheel 31 can be controlled to stop rotating, so that the dining car 100 stops moving.

In one example, the brake part may employ a brake pad.

In one embodiment, the cabinet 1 has first and second oppositely disposed sides, the first side forming the cabinet door 12. The sensing part 4 is arranged at least on the first side face and/or the second side face. Therefore, when the dining car 100 moves forwards or backwards, the sensing part 4 can detect the obstacles on the driving track of the dining car 100, so that the dining car 100 can stop moving immediately when touching the obstacles when moving forwards or backwards, and further collision injury is prevented.

In one embodiment, the dining car 100 further comprises a power supply device 5 disposed at the bottom of the cabinet 1, and the power supply device 5 is connected with the temperature adjusting device 2 and the driving device 3. For supplying the temperature regulation means 2 and the drive means 3 with electrical energy. The power supply device 5 further has a charging interface for charging the power supply device 5 when the charging interface is connected to a power supply.

The power supply device 5 can be directly installed at the bottom of the cabinet body 1, or can be installed at the bottom of the cabinet body 1 through an installation seat. The specific structure, size and shape of the power supply means 5 can be selected and adjusted as desired.

In one example, the power supply device 5 has a housing made of a waterproof and fire-resistant material.

In one example, the thermostat 2 and the drive 3 each comprise a power interface, in which case the thermostat 2 and the drive 3 can be supplied directly with power.

In one example, the power interface and the charging interface are the same interface, so that the dining car 100 can be used while charging the power supply device 5.

In one embodiment, the inner wall of the cabinet 1 is provided with an insulating layer. The insulating layer can be made of any insulating material in the prior art. The insulating layer serves to maintain the temperature within the accommodating space 11 relatively stable. Thereby preventing temperature variations within the receiving space 11 from affecting the quality of the food items stored therein.

In one example, an insulating layer is disposed in each of the accommodating spaces 11 in the cabinet 1.

In one embodiment, the dining car 100 further comprises a temperature sensor connected to the inner wall of the cabinet 1, and a detection end of the temperature sensor extends into the accommodating space 11 for detecting the temperature in the accommodating space 11. The temperature sensor is also connected with the temperature adjusting device 2 and used for controlling the temperature adjusting device 2 to adjust the temperature in the accommodating space 11 according to the detection result.

In one example, when the temperature sensor detects that the temperature in the accommodating space 11 is higher than a threshold temperature, the temperature adjustment device 2 is controlled to lower the ambient temperature in the accommodating space 11. When the temperature sensor detects that the temperature in the accommodating space 11 is lower than the threshold temperature, the temperature adjustment device 2 is controlled to raise the temperature of the environment in the accommodating space 11.

In one embodiment, the dining car 100 further comprises a positioning device, a first image capturing device and a path planning device arranged on the cabinet 1. The positioning device is used for determining the current position of the cabinet 1. The first image acquisition device is used for acquiring an environmental image around the cabinet body 1. The path planning device is electrically connected with the positioning device and the first image acquisition device and used for planning a driving track according to the current position of the cabinet body 1 and a target position which needs to be reached by the cabinet body 1, and then adjusting the driving track according to an environment image around the cabinet body 1 in the process of moving according to the initial driving track, so that collision between the dining car 100 and surrounding obstacles in the process of moving is avoided.

The target position to be reached by the cabinet body 1 may be preset or may be sent through a mobile terminal.

In one example, the first image capturing device may employ a camera, an optical sensor, an infrared sensor, or the like.

In one embodiment, a plurality of partition boards 13 are disposed inside the cabinet 1, an accommodating space 11 is formed between a region sandwiched between the partition boards 13 and an inner wall of the cabinet 1, and an openable and closable cover board is disposed at an open end of each accommodating space 11 close to the cabinet door 12 of the cabinet 1, and the cover board is used for closing the corresponding accommodating space 11.

Every accommodation space 11 can correspond respectively and set up a apron, can pass through the apron with accommodation space 11 internal closure after accommodation space 11 is put into to food to the ambient temperature in the accommodation space 11 of avoiding putting food changes. For example, when the cabinet door 12 of the cabinet 1 is opened, since each accommodating space 11 is provided with the cover plate, the influence of opening the cabinet door 12 on the temperature in each accommodating space 11 can be reduced to the maximum.

The connection of the cover plate to the partition 13 can be selected and adjusted as desired. For example, the cover plate may be hinged, slidably connected, or snap-fit connected to the partition plate 13, and is not particularly limited herein.

In one embodiment, a plurality of partition boards 13 are disposed inside the cabinet 1, and a region sandwiched between the partition boards 13 forms the accommodating space 11 with the inner wall of the cabinet 1. A gravity sensor is arranged on the partition board 13 at the bottom of each accommodating space 11, a first display screen is arranged in each accommodating space 11 in a part and is connected with the gravity sensor, and the first display screen is used for displaying the time for putting food into the corresponding accommodating space 11 according to the signal of the gravity sensor.

In one example, the cabinet 1 includes four accommodating spaces 11, i.e., an accommodating space 11A, an accommodating space 11B, an accommodating space 11C, and an accommodating space 11D, inside. When no food is put into the four accommodating spaces 11, the first display screens corresponding to the four accommodating spaces 11 do not display time. When food is put into the accommodating space 11A, the gravity sensor of the accommodating space 11A sends a signal to the corresponding first display screen, and the first display screen displays the current time. When food is put into the accommodating space 11B, the gravity sensor of the accommodating space 11B sends a signal to the corresponding first display screen, and the first display screen displays the current time. Since the food in the accommodating space 11B is later than the putting time of the food in the accommodating space 11A, the first display screen corresponding to the accommodating space 11A displays a time earlier than the time displayed by the first display screen corresponding to the accommodating space 11B. When the staff need take out food, can confirm the order that food was taken out according to the time on each first display screen, first-in first-out to the food of guaranteeing to put into first in can be taken out by priority. The heated food is prevented from being placed in the accommodating space 11 for a long time and being cooled, and is sent to the dining table of a customer in time.

In one embodiment, the dining car 100 further comprises a second image capturing device and a second display screen, the second display screen is disposed inside or outside the cabinet body 1, the second image capturing device is electrically connected with the second display screen, the second image capturing device is used for capturing images of food put into the cabinet body 1, and the second display screen is used for displaying images according to a time sequence of the images captured by the second image capturing device. Therefore, when the worker takes out food, the worker can take the food according to the sequence of the images on the second display screen, and the food is guaranteed to be firstly in and firstly out.

In one embodiment, the dining car 100 further comprises a humidity adjusting device connected to the inner wall of the cabinet 1 for adjusting the humidity in the accommodating space 11, so that the food can be kept in a good state without water loss or the like.

The humidity adjusting device may adopt any humidifier structure in the prior art as long as it can adjust and control the humidity in the accommodating space 11. For example, the humidity control device may employ an isenthalpic humidifier, i.e., an evaporative humidifier that absorbs sensible heat of air using water. The temperature regulating device can also adopt an isothermal humidifier, namely liquid water is converted into steam by utilizing heat energy to be mixed with air for humidification.

In one example, the temperature adjusting device may employ an ultrasonic humidifier, a purity type humidifier, an electrical heating type humidifier, an immersion electrode humidifier, a cold mist humidifier, or the like.

In the description of the present specification, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, 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 of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

The above disclosure provides many different embodiments or examples for implementing different structures of the application. The components and arrangements of specific examples are described above to simplify the present disclosure. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive various changes or substitutions within the technical scope of the present application, and these should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A dining car, comprising:

the driving device comprises a plurality of driving wheels and a power part, the driving wheels are arranged at the bottom of the cabinet body, and the power part is connected with at least one driving wheel and used for controlling the driving wheels to move;

2. The cart of claim 1, wherein the thermostat comprises a heating mechanism coupled to at least an inner wall of the cabinet around the receiving space.

3. The trolley according to claim 1 or 2, wherein the thermostat further comprises a refrigeration mechanism connected at least to the inner wall of the cabinet around the receiving space.

4. The cart of claim 1, further comprising a brake mechanism having a brake portion disposed on at least one of the drive wheels and coupled to the control device, the brake portion configured to stop the drive wheels.

5. The cart of claim 1, wherein the cabinet has first and second oppositely disposed sides, the first side forming a cabinet door; the sensing part is arranged on at least the first side surface and/or the second side surface.

6. The dining car according to claim 1, further comprising a power supply device disposed at the bottom of the cabinet, the power supply device being connected to the temperature regulating device and the driving device; the power supply device is also provided with a charging interface which is used for charging the power supply device under the condition that the charging interface is connected with a power supply.

7. The cart of claim 1, wherein the interior walls of the cabinet are provided with insulation.

8. The dining car according to claim 1, further comprising a temperature sensor connected to an inner wall of the cabinet, wherein a detection end of the temperature sensor extends into the accommodating space for detecting a temperature in the accommodating space; the temperature sensor is also connected with the temperature adjusting device.

9. The dining car according to claim 1, further comprising a positioning device, a first image capturing device and a path planning device disposed on the cabinet; the positioning device is used for determining the current position of the cabinet body; the first image acquisition device is used for acquiring an environment image around the cabinet body; the path planning device is electrically connected with the positioning device and the first image acquisition device and used for planning the running track of the cabinet body according to the current position of the cabinet body, the target position to be reached by the cabinet body and the environment image around the cabinet body.

10. The cart of claim 1, wherein the sensing portion employs at least one of a switch, a button, or an infrared sensor.

11. The dining car of claim 1, wherein the driving wheels are universal wheels, and the power unit is a hub motor.

12. The dining car as claimed in claim 1, wherein a plurality of partitions are disposed inside the cabinet, the area sandwiched between the partitions and the inner wall of the cabinet form the accommodating space, and each accommodating space is provided with a cover plate which can be opened and closed and is close to the open end of the cabinet door of the cabinet, and the cover plate is used for closing the corresponding accommodating space.

13. The dining car according to claim 1, wherein a plurality of partition boards are arranged inside the cabinet body, and the area between the partition boards and the inner wall of the cabinet body form the accommodating space; the partition board at the bottom of each accommodating space is provided with a gravity sensor, a first display screen is arranged in each accommodating space in a distributed mode, the first display screen is connected with the gravity sensor, and the first display screen is used for displaying the time of food placed in the corresponding accommodating space according to signals of the gravity sensor.

14. The dining car according to claim 1, further comprising a second image capturing device and a second display screen, wherein the second display screen is disposed inside or outside the cabinet body, the second image capturing device is electrically connected to the second display screen, the second image capturing device is configured to capture images of food placed in the cabinet body, and the second display screen is configured to display images according to a time sequence of the images captured by the second image capturing device.

15. The dining car as claimed in claim 1, further comprising a humidity adjusting means connected to an inner wall of said cabinet for adjusting humidity in said accommodating space.