CN209862787U

CN209862787U - Automatic serving trolley for high-speed rail carriage

Info

Publication number: CN209862787U
Application number: CN201920322560.7U
Authority: CN
Inventors: 石益奇; 苏圣超
Original assignee: Shanghai University of Engineering Science
Current assignee: Shanghai University of Engineering Science
Priority date: 2019-03-14
Filing date: 2019-03-14
Publication date: 2019-12-31
Anticipated expiration: 2029-03-14

Abstract

The utility model relates to the technical field of railway equipment, and discloses an automatic food delivery trolley for a high-speed rail carriage, which comprises an AGV trolley, wherein a plurality of box bodies are arranged on the AGV trolley, the box bodies are assembled in a building block way and are used for placing food ordered by passengers, a door mechanism is arranged on the side of the box bodies, a temperature control module and a door driving module are arranged in the door mechanism, the AGV trolley is used for driving the box bodies to reach a plurality of destinations according to a plurality of preset routes, the automatic food delivery trolley also comprises a controller, the controller is connected with a guiding module, an obstacle avoiding module, a voice playing module, a plurality of temperature control modules and a plurality of door driving modules, the guiding module is used for planning the preset routes traveled by the AGV trolley, the obstacle avoiding module is used for realizing the obstacle avoidance of the traveling direction of the AGV trolley, the voice playing module is used for playing stored voice information, the temperature control module is used for controlling the temperature in the box bodies, and, the opening and closing of the upper door of the box body are controlled.

Description

Automatic serving trolley for high-speed rail carriage

Technical Field

The utility model relates to a technical field of railway equipment, concretely relates to automatic serving trolley for high-speed railway carriage.

Background

Based on the advantages of high speed, strong transportation capacity, safety, punctuality and the like of the high-speed railway, the high-speed railway becomes one of the public transportation modes which are vigorously developed in China, and the high-speed railway for passenger transportation is a development trend in the future. With the rapid development of high-speed railways, the passenger flow is increased, and meanwhile, dining and shopping of passengers on high-speed railways become a non-negligible part of railway transportation departments. At present, goods are sold on railways in China in two modes, one mode is that goods are sold in a compartment by a trolley of a train attendant, and the other mode is that passengers go to a dining car to purchase goods by themselves, but the two methods have some problems, the former method greatly increases the labor intensity of the attendant, in addition, the selling car is inconvenient to push in the compartment, the passengers are often required to avoid the goods, the selling efficiency is greatly reduced, and even accidents occur due to extrusion. In the latter case, the passengers are likely to be crowded while traveling to the dining car to purchase goods. Nowadays, science and technology represented by 'industry 4.0' and 'internet +' are raised worldwide, aiming at realizing the upgrade of the traditional manufacturing industry and service industry by means of the current advanced computer and internet technology, and the fusion of the robot technology and the rail transit service industry is the future development trend.

SUMMERY OF THE UTILITY MODEL

The utility model provides an automatic serving trolley for high-speed railway carriage has solved the mode of selling the goods on the current railway and has increased crew member's intensity of labour, caused the crowded scheduling problem of passageway easily.

The utility model discloses the following technical scheme of accessible realizes:

an automatic food delivery trolley for a high-speed rail carriage comprises an AGV trolley, wherein a plurality of box bodies are arranged on the AGV trolley and are assembled in a building block mode, the box bodies are used for placing food ordered by passengers, a door mechanism is arranged on the side surfaces of the box bodies, a temperature control module and a door driving module are arranged in the box bodies, the AGV trolley is used for driving the box bodies to reach a plurality of destinations according to a plurality of preset routes,

still include the controller, the controller links to each other with guide module, keeps away barrier module, pronunciation broadcast module, a plurality of temperature control module, a plurality of door drive module, guide module is used for planning the predetermined route that the AGV dolly marchs, keep away the barrier module and be used for realizing keeping away the barrier of AGV dolly direction of travel, pronunciation broadcast module is used for playing the speech information of storage, temperature control module is used for controlling the inside temperature of box body, door drive module links to each other with the door mechanism, opening and closing of control box body upper door.

Furthermore, a protrusion is arranged on one top corner of the box body, an electric plug and a communication plug are arranged in the protrusion, a notch matched with the protrusion is formed in one bottom corner of the box body, a wiring board matched with the electric plug and the communication plug is arranged in the notch, the wiring board in the notch of the bottommost box body is respectively connected with the controller and the power supply, and building block type assembly among the box bodies is achieved through matching of the protrusion and the notch.

Further, every the box body all is provided with only serial number, is provided with the touch-sensitive screen on its one side, the touch-sensitive screen is used for setting for the inside temperature of box body, input passenger's order number and get the goods sign indicating number, order information, get the goods sign indicating number and passenger's seat number, the serial number one-to-one of box body set up, be provided with the grating sensor on the inner wall of box body, the grating sensor is used for detecting whether food is taken away.

Further, the door mechanism comprises a door and a door shaft connected with the door, the door shaft is connected with the motor through the gear transmission mechanism, and the motor is connected with the door driving module.

Furthermore, the temperature control module is made of a semiconductor cold-hot sheet.

Further, the guiding module is including setting up the radio frequency label in each seat bottom, at dull and stereotyped antenna, label read write line and the camera of AGV dolly both sides, the camera is used for shooing the carriage number of every section of carriage head and tail portion, the radio frequency label is used for the seat number that the seat that the storage is located corresponds, and is a plurality of the radio frequency label passes through dull and stereotyped antenna and label read write line communication.

Furthermore, the camera is provided with two, sets up respectively on the upper portion of riser, two the riser sets up respectively at the direction of travel's of AGV dolly both ends, and the top of one of them riser is provided with the handle.

Further, keep away the barrier module and include laser range radar, laser range radar is provided with two, sets up respectively on two risers for detect the AGV dolly and advance the object in the place ahead and the distance between the AGV dolly.

The utility model discloses profitable technological effect lies in:

1. through the apex angle at the box body set up protruding, with the notch cooperation of setting on the base angle, realize the cordwood system assembly between a plurality of box bodys, set up electric socket and communication socket in bellied inside simultaneously, set up in the inside of notch and electric socket and communication socket complex wiring board, realize that the electricity between a plurality of box bodys is connected with the communication, when conveniently assembling and dismantling, also convenient control.

2. By means of the existing functions of the AGV trolley and combination of the radio frequency identification technology, the radio frequency tags are arranged at the bottoms of the seats, the panel antennas are arranged on the side faces of the AGV trolley, communication between the radio frequency tags and a standard reader-writer is achieved through the panel antennas, meanwhile, information of carriage numbers is obtained through the cameras, a guiding mode which accords with the actual conditions of high-speed rail carriages is achieved, and the AGV trolley is convenient to control in advancing.

3. The intelligent train ordering system saves the working time of train operators, is convenient for passengers to order, improves the intelligent level of train service, and has simple structure, high economic benefit and great market application value.

Drawings

Fig. 1 is a schematic diagram of the overall front structure of the present invention;

fig. 2 is a schematic side view of the overall structure of the present invention;

fig. 3 is a circuit connection block diagram of the present invention;

FIG. 4 is a schematic structural view of the case of the present invention;

the AGV comprises an AGV trolley 1, an AGV trolley 2, a box body 21, an upper layer 22, a lower layer 23, a fan 23, a protrusion 24, a notch 25, a touch screen 26, a door 27, a handle 28, a vertical plate 3, a handle 4, a panel antenna 5, a camera 6 and a laser ranging radar 7.

Detailed Description

The following detailed description of the preferred embodiments of the present invention is provided in connection with the accompanying drawings.

As shown in fig. 1, 2 and 3, the utility model provides an automatic food delivery vehicle for high-speed rail carriages, which comprises an AGV trolley 1, wherein a plurality of box bodies 2 are arranged on the AGV trolley 1, the box bodies 2 are assembled in a building block manner, the box bodies 2 are used for placing food ordered by passengers, a door mechanism is arranged on the side surface of the AGV trolley, a temperature control module and a door driving module are arranged inside the AGV trolley 1, the AGV trolley 1 is used for driving the box bodies 2 to reach a plurality of destinations according to a plurality of preset routes, the automatic food delivery vehicle also comprises a controller, the controller is connected with a guiding module, an obstacle avoiding module, a voice playing module, a plurality of temperature control modules and a plurality of door driving modules, the guiding module is used for planning the preset routes traveled by the AGV trolley 1, the obstacle avoiding module is used for realizing the obstacle avoidance of the travelling direction of the AGV trolley, the voice playing module is used for playing stored voice information, the door driving module is connected with the door mechanism and controls the opening and closing of the door on the box body 2.

As shown in fig. 4, the box body 2 is made of an outer layer PVC material, a middle layer heat insulation sponge and an inner layer ceramic fiber paper, the inside of the box body is divided into an upper layer and a lower layer, the upper layer 21 is a storage space for placing foods ordered by passengers, the lower layer 22 is an electronic device placing space, such as a temperature control module, a door driving module and the like, the temperature control module is made of semiconductor refrigerating and heating sheets, such as semiconductor refrigerating sheets with the model of TEC1-12705, and in principle, the semiconductor refrigerating sheets are a heat transfer tool. When a thermocouple formed by connecting an N-type semiconductor material and a P-type semiconductor material passes through a current, heat transfer can be generated between two ends, and the heat can be transferred from one end to the other end to generate temperature difference to form a cold and hot end, so that the position of the cold and hot end can be changed as long as the polarity of the current is changed, and the refrigeration and heating of the box body are realized. But the semiconductor itself has a resistance that will generate heat when current passes through the semiconductor, thereby affecting heat transfer, and the heat between the two plates will also be transferred in the opposite direction through the air and the semiconductor material itself. When the cold end and the hot end reach a certain temperature difference and the heat transfer amounts are equal, a balance point is reached, the positive heat transfer and the reverse heat transfer are mutually offset, and the temperature of the cold end and the hot end cannot be changed continuously. In order to reach lower temperature, the temperature of the hot end can be reduced by adopting a heat dissipation mode and the like. The utility model discloses a box body is only used for short-lived storage food, and the temperature need not too low or too high, but in order to guarantee the steady operation of semiconductor refrigeration piece, can increase fin and fan 23 at the hot junction, and this fan 23's air outlet setting is on a side of box body, at cold junction coating heat conduction silicone grease etc..

As shown in figure 4, a bulge 24 is arranged on a top corner of the box body 2, an electric plug and a communication plug are arranged inside the bulge 24, a notch 25 matched with the bulge 24 is arranged on a bottom corner of the box body 2, the top corner and the bottom corner are oppositely arranged, a wiring board matched with the electric plug and the communication plug is arranged inside the notch 25, the wiring board inside the notch 25 of the bottommost box body is respectively connected with a controller and a power supply, thus building block type assembly among a plurality of box bodies 2 is realized through the matching of the bulge 24 and the notch 25, the disassembly and assembly are very convenient, meanwhile, communication and power supply among the box bodies are connected with the controller and the power supply, and the control is convenient. This communication socket can adopt bus control or 485 communications etc, input on the touch-sensitive screen can convey the controller through this communication socket, protruding 24 inside can also set up a plurality of IO sockets, a power socket, because only the door of a box body 2 opens or closes at every turn, can be with three to four 2 doors of box body open with close control connection to the IO interface of controller, even if there are two simultaneous switches like this, also can control, adopt similar mode, also can realize the control by temperature change through the IO socket.

Each box body 2 is provided with a unique serial number, the other side surface of the box body is provided with a touch screen 26 and a door mechanism, the touch screen 26 is used for setting the temperature inside the box body 2, inputting order information of passengers and getting goods codes, the order numbers and the getting goods codes are arranged in one-to-one correspondence with the seat numbers of the passengers and the serial numbers of the box bodies, each door mechanism comprises a door 27 and a door shaft connected with the door 27, the door shafts are connected with a motor through a gear transmission mechanism, and the motor is connected with a door driving module. The other two opposite side surfaces of the box body 2 are respectively provided with a handle 28, the box body 2 can be moved by holding the handles 28, the inner wall of the box body 2 is provided with a grating sensor which is used for detecting whether food is taken away, and the bottom surface of the box body 2 is provided with an anti-slip pad so as to ensure the stability of the box bodies 2 which are adjacent up and down. The two ends of the AGV trolley 1 in the advancing direction are respectively provided with a vertical plate 3, the top of one vertical plate 3 is provided with a handle 4, and the handle 4 is pushed by hands, so that the AGV trolley 1 can be manually controlled to move, and a trainman can move the AGV trolley 1 when placing food.

Consider that the carriage space is limited, personnel are denser, and AGV 1 is more complicated for automatic guidance devices such as the electromagnetism of itself or optics, can not adapt to the actual conditions in carriage well, consequently, the utility model discloses a radio frequency identification technology guides, and it is through radio frequency signal automatic identification target object and acquire relevant data, and the discernment work need not artificial intervention, can work in various adverse circumstances, but this RFID identifiable high-speed moving object and a plurality of labels of while discernment, and the operation is swift convenient. This guide module is including setting up the radio frequency label in each seat bottom, at 1 both sides of AGV dolly panel antenna 5, label read write line and camera 6, camera 6 is used for shooing the carriage number of every section carriage afterbody, and radio frequency label is used for the seat number that the seat that the storage is located corresponds, and panel antenna 5 sets up towards the direction of seat, and like this, a plurality of radio frequency labels just communicate with the label read write line through panel antenna 5. This camera 6 is provided with two, sets up respectively on the upper portion that corresponds riser 3, and the orientation setting towards the carriage number has certain distance from the carriage bottom surface, is convenient for shoot, like this, which camera 6 is in the front, and which work avoids the operation of turning round and so on.

The high-speed rail carriage number and the seat number are arranged according to a certain rule, so that the recognition and calculation are convenient, when a train operator places food ordered by passengers with XXX seat numbers into a box, the traveling route of the AGV trolley 1 can be determined, when the guidance is performed, firstly, a camera is used for taking pictures, the pictures are subjected to image processing to obtain the carriage number, then, the communication between the radio frequency tag and a standard reader-writer is realized by using the flat antenna 5, the controller can obtain the seat number information stored in the radio frequency tag, so that the traveling ordered route of the AGV trolley 1 is planned, the traveling direction is confirmed by comparing the traveling route, and when the seat number reaches the destination, the voice playing module is controlled to broadcast the food ordered, such as ' passengers with XXX seat numbers ' and please input verification codes ', and the like.

Considering that the carriage space is limited, AGV dolly 1 only can advance or retreat along the passageway of carriage, adopt simple obstacle-avoiding mode just can, should keep away the obstacle module and include laser rangefinder radar 7, this laser rangefinder radar 7 also is provided with two, sets up respectively on riser 3 for detect the object in AGV dolly 1 the place ahead and the distance between AGV dolly 1, like this, which laser rangefinder radar is in the front, and which work avoids the operation of turning round and so on. Utilize the laser rangefinder radar can detect the object of a 1 the place ahead of AGV dolly, when finding that its distance is less than apart from the threshold value, the controller will give the instruction of stopping, and the object until the place ahead all is outside apart from the threshold value, the controller just can reach the instruction of advancing down, and AGV dolly 1 begins to move.

The utility model discloses an automatic delivery car's working process:

firstly, a trainman puts food ordered by each passenger into the corresponding box 2, sets temperature through the touch screen 26 on the corresponding box 2 according to the requirement of the food and the order information of the passenger, inputs the order information, the controller generates a goods taking code corresponding to the order information according to the order information, and sends the goods taking code to the mobile phone of the corresponding passenger, the goods taking code is arranged in one-to-one correspondence with the corresponding order information, seat number and the number of the box 2, then, the automatic guiding function of the AGV 1 is started, the carriage number is obtained according to the photos shot by the camera 6 in front of the AGV, the radio frequency label information arranged at the bottom of the seat is obtained according to a standard reader-writer, the travel of the AGV is planned, the laser ranging radar in front also starts working, the distance between the object on one face in front of the travel of the AGV 1 and the object is detected, and whether the distance threshold value is reached is judged, if the distance is smaller than the distance threshold value, the AGV stops until the front side does not have an object smaller than the distance threshold value, the AGV 1 starts to travel again, when the seat number of the destination is reached, the AGV 1 stops traveling, the controller controls the voice playing module to play the passenger of the XXX seat number, your ordered food is sent to, the voice information of the verification code is input, when the passenger inputs the corresponding goods taking code on the touch screen 26, the controller controls the door 27 of the corresponding box body to be opened through the door driving module, when the passenger takes the corresponding food, the grating sensor sends out detection information, the controller controls the door 27 of the corresponding box body 2 to be closed through the door driving module, and the passenger continues to go to the next destination.

Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these embodiments are merely illustrative and various changes or modifications may be made therein without departing from the principles and spirit of the invention, and therefore, the scope of the invention is defined by the appended claims.

Claims

1. An automatic serving trolley for a high-speed rail carriage is characterized in that: comprises an AGV trolley, wherein a plurality of box bodies are arranged on the AGV trolley and assembled in a building block manner, the box bodies are used for placing food ordered by passengers, a door mechanism is arranged on the side surface of the AGV trolley, a temperature control module and a door driving module are arranged in the AGV trolley, the AGV trolley is used for driving the box bodies to reach a plurality of destinations according to a plurality of preset routes,

2. The automated serving cart for a high-speed railway car of claim 1, wherein: the novel multifunctional box is characterized in that a protrusion is arranged on one top corner of the box body, an electric plug and a communication plug are arranged in the protrusion, a notch matched with the protrusion is formed in one bottom corner of the box body, a wiring board matched with the electric plug and the communication plug is arranged in the notch, the wiring board in the notch of the box body at the bottommost is respectively connected with a controller and a power supply, and building block type assembly among the box bodies is achieved through matching of the protrusion and the notch.

3. The automated serving cart for a high-speed railway car of claim 1, wherein: every the box body all is provided with only serial number, is provided with the touch-sensitive screen on its one side, the touch-sensitive screen is used for setting for the inside temperature of box body, input passenger's order information and get the goods sign indicating number, order information, get the goods sign indicating number and passenger's seat number, the serial number one-to-one setting of box body, be provided with the grating sensor on the inner wall of box body, the grating sensor is used for detecting food and whether taken away.

4. The automated serving cart for a high-speed railway car of claim 1, wherein: the door mechanism comprises a door and a door shaft connected with the door, the door shaft is connected with a motor through a gear transmission mechanism, and the motor is connected with a door driving module.

5. The automated serving cart for a high-speed railway car of claim 1, wherein: the temperature control module is made of semiconductor cold-heating sheets.

6. The automated serving cart for a high-speed railway car of claim 1, wherein: the guiding module is including setting up the radio frequency label in each seat bottom, at dull and stereotyped antenna, label read write line and the camera of AGV dolly both sides, the camera is used for shooing the carriage number of every section carriage head afterbody, the radio frequency label is used for storing the seat number that the seat that locates corresponds, and is a plurality of the radio frequency label passes through dull and stereotyped antenna and label read write line communication.

7. The automated serving cart for a high-speed railway car of claim 6, wherein: the camera is provided with two, sets up respectively on the upper portion of riser, two the riser sets up respectively at the direction of travel's of AGV dolly both ends, and the top of one of them riser is provided with the handle.

8. The automated serving cart for a high-speed rail car according to claim 7, wherein: keep away the barrier module and include laser range radar, laser range radar is provided with two, sets up respectively on two risers for detect the distance between object and the AGV dolly in the place ahead of marcing of AGV dolly.