CN114683295A - Intelligent voice meal delivery robot and system for ensuring food safety - Google Patents

Intelligent voice meal delivery robot and system for ensuring food safety Download PDF

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Publication number
CN114683295A
CN114683295A CN202011585765.8A CN202011585765A CN114683295A CN 114683295 A CN114683295 A CN 114683295A CN 202011585765 A CN202011585765 A CN 202011585765A CN 114683295 A CN114683295 A CN 114683295A
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China
Prior art keywords
robot
food
placing groove
tray
intelligent voice
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Pending
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CN202011585765.8A
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Chinese (zh)
Inventor
刘鹏
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Jiangsu Research Institute Co Ltd of Dalian University of Technology
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Jiangsu Research Institute Co Ltd of Dalian University of Technology
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Priority to CN202011585765.8A priority Critical patent/CN114683295A/en
Publication of CN114683295A publication Critical patent/CN114683295A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25JMANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J11/00Manipulators not otherwise provided for
    • B25J11/008Manipulators for service tasks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25JMANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J11/00Manipulators not otherwise provided for
    • B25J11/0005Manipulators having means for high-level communication with users, e.g. speech generator, face recognition means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25JMANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J19/00Accessories fitted to manipulators, e.g. for monitoring, for viewing; Safety devices combined with or specially adapted for use in connection with manipulators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25JMANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J19/00Accessories fitted to manipulators, e.g. for monitoring, for viewing; Safety devices combined with or specially adapted for use in connection with manipulators
    • B25J19/02Sensing devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25JMANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J19/00Accessories fitted to manipulators, e.g. for monitoring, for viewing; Safety devices combined with or specially adapted for use in connection with manipulators
    • B25J19/02Sensing devices
    • B25J19/04Viewing devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25JMANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J9/00Programme-controlled manipulators
    • B25J9/16Programme controls
    • B25J9/1602Programme controls characterised by the control system, structure, architecture
    • B25J9/161Hardware, e.g. neural networks, fuzzy logic, interfaces, processor

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  • Engineering & Computer Science (AREA)
  • Robotics (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Artificial Intelligence (AREA)
  • General Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Evolutionary Computation (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Software Systems (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Manipulator (AREA)

Abstract

The invention discloses an intelligent voice meal delivery robot and system for ensuring food safety, and the intelligent voice meal delivery robot and system comprise a robot body, wherein a central controller is arranged in the robot body, a control module is arranged above the central controller, the bottom of the robot body is fixedly arranged on a base, walking wheels are movably arranged on the lower surface of the base, and a signal receiver is arranged at the front end part of the robot body. According to the intelligent voice meal delivery robot and the system for ensuring food safety, the dinner plate placing groove and the water cup placing groove are arranged, so that the problem that the robot cannot stably hold the dinner plate and the water cup placing groove is solved, the holding stability is improved, food waste is prevented, food can be saved, the food can be completely covered by the upper cover, the food is separated from outside air or pollutants, the food safety is ensured, the food can be prevented from directly contacting the upper cover by the aid of the antibacterial film, the food can be subjected to antibacterial treatment, the food safety is improved, and the taste of the food is ensured.

Description

Intelligent voice meal delivery robot and system for ensuring food safety
Technical Field
The invention relates to the technical field of intelligent robots, in particular to an intelligent voice meal delivery robot and system for ensuring food safety.
Background
With the advent of the intelligent era, the robot is more and more widely applied to the service industry, and the robot not only reduces the labor cost, but also improves the service efficiency. In an actual service scene, people require the food delivery robot to be more and more intelligent, and in the process of needing human interaction, the robot often encounters various problems, so that the intelligent level of the robot is greatly reduced, and in a common way, after the food delivery robot reaches a specified food delivery point, if no person takes food, the robot waits for the time, cannot continuously execute the next task, and the service efficiency is greatly reduced.
When the robot delivers the meal, if the robot is unstably held, food is easy to fall off, and the waste of the food is increased; the complete exposure of food to the outside can cause the potential safety hazard of the food to be greatly increased, and if customers delay unclean food, the customers can cause body discomfort and serious food poisoning, so that the guarantee of the food safety is also an important step.
Disclosure of Invention
The invention aims to provide an intelligent voice meal delivery robot and system for ensuring food safety, wherein the shapes of a dinner plate placing groove and a water cup placing groove are in accordance with the shapes of a dinner plate and a water cup, so that the dish delivery robot and the water cup placing groove are more convenient to place, the problem of unstable holding of the robot can be avoided by arranging the dinner plate placing groove and the water cup placing groove, the holding stability is improved, the waste of food is prevented, the food can be saved, the upper cover can completely cover the food, the food is separated from the outside air or pollutants, the food safety is ensured, the food can be prevented from being directly contacted with the upper cover by arranging an antibacterial film, meanwhile, the food can be subjected to antibacterial treatment, the food safety is improved, the food taste is ensured, and the problems in the background technology are solved.
In order to achieve the purpose, the invention provides the following technical scheme: an intelligent voice meal delivery robot for ensuring food safety comprises a robot body, wherein a central controller is arranged in the robot body, a control module is arranged above the central controller, the bottom of the robot body is fixedly arranged on a base, traveling wheels are movably arranged on the lower surface of the base, a signal receiver is arranged at the front end of the robot body, robot arms are respectively arranged at two ends of the robot body, the hand ends of the robot arms are connected with a tray, a dinner plate placing groove is formed in the upper surface of the tray, a water cup placing groove is formed in one side of the dinner plate placing groove and is formed in the upper surface of the tray, slots are respectively formed in the front side and the rear side of the surface of the tray, an upper cover is covered above the tray, a handle is arranged in the center of the upper surface of the upper cover, an antibacterial film is covered on the inner side wall of the upper cover, clamping columns are fixedly arranged on the inner sides of the edges of the upper cover and are movably connected with the slots, the center department of robot body upper surface sets up the spliced pole, and the one end of spliced pole is fixed on the robot body, and the other end fixed connection robot head of spliced pole, one side of spliced pole are equipped with the alarm, and the bottom of alarm is installed on the robot body, and the dead ahead of robot head is equipped with the vision inductor, and the below of vision inductor sets up the pronunciation player.
Preferably, the hand end of the robot arm is provided with a groove inwards, the size of the groove is matched with the size of the side of the tray, and the two sides of the tray are clamped in the groove of the robot arm.
Preferably, the dinner plate placing groove is square, and the water cup placing groove is circular.
Preferably, the clamping column is arranged at a corresponding position of the slot, and the size of the clamping column is matched with that of the slot.
Preferably, the depth of the dinner plate placing groove is smaller than the height of the tray.
Preferably, the depth of the cup placing groove is smaller than the height of the tray.
Preferably, the hand end of the robot arm is provided with a humidity sensor, and the humidity sensor is electrically connected with the signal receiver.
Preferably, the number of the robot arms is two, and grooves are formed in the opposite inner sides of the two robot arms.
Preferably, sound sensors are respectively installed on two sides of the head of the robot, and the sound sensors are electrically connected with the control module.
Another technical problem to be solved by the present invention is to provide a food delivery system of an intelligent voice food delivery robot for ensuring food safety, which includes a control module, wherein an output end of the control module is respectively connected with a signal receiving module, a camera module, a broadcasting module, an alarm module and a walking module, the signal receiving module is electrically connected with a signal receiver, the camera module is electrically connected with a visual sensor, the broadcasting module is electrically connected with a voice player, the alarm module is electrically connected with an alarm, and the walking module is electrically connected with a walking wheel.
Compared with the prior art, the invention has the beneficial effects that:
according to the intelligent voice meal delivery robot and the system for ensuring food safety, the shapes of the dinner plate placing groove and the water cup placing groove are in accordance with the shapes of the dinner plate and the water cup, so that the dish can be placed more conveniently, the problem that the robot cannot stably hold the dish can be avoided by arranging the dinner plate placing groove and the water cup placing groove, the holding stability of the dish is improved, food waste is prevented, food can be saved, the upper cover is covered above the dish, the upper cover can completely cover the food, the food is separated from outside air or pollutants, the food safety is ensured, the inner side wall of the upper cover is covered with the antibacterial film, the food can be prevented from directly contacting with the upper cover by arranging the antibacterial film, meanwhile, the antibacterial treatment can be performed on the food, the food safety is improved, and the taste of the food is ensured.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a block diagram of the food delivery robot of the present invention;
FIG. 3 is a block diagram of the tray of the present invention;
FIG. 4 is a structural view of the upper cover of the present invention;
FIG. 5 is a block diagram of the present invention;
FIG. 6 is a flow chart of meal delivery according to the present invention.
In the figure: 1. a robot body; 2. a central controller; 3. a control module; 4. a base; 5. a traveling wheel; 6. a signal receiver; 7. a robot arm; 8. a tray; 9. a dinner plate placing groove; 10. a water cup placing groove; 11. a slot; 12. an upper cover; 13. a handle; 14. an anti-bacterial film; 15. clamping the column; 16. connecting columns; 17. a robot head; 18. an alarm; 19. a visual sensor; 20. a voice player; 21. a signal receiving module; 22. a camera module; 23. a broadcasting module; 24. an alarm module; 25. and a walking module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an intelligent voice meal delivery robot for ensuring food safety comprises a robot body 1, a central controller 2 is arranged in the robot body 1, the central controller 2 is a central piece and can control a control module 3, the control module 3 is arranged above the central controller 2, the bottom of the robot body 1 is fixedly mounted on a base 4 to increase bearing capacity and improve stability of the device, a traveling wheel 5 is movably mounted on the lower surface of the base 4 and used for traveling of the robot to improve traveling flexibility of the robot, a signal receiver 6 is mounted at the front end of the robot body 1 and used for receiving a signal whether juice leaks out, robot arms 7 are mounted at two end sides of the robot body 1, and a humidity sensor is arranged at the hand end of each robot arm 7, the humidity sensor is electrically connected with the signal receiver 6, the humidity sensor is contaminated when juice of food leaks, the humidity sensor transmits information to the signal receiver 6, the signal receiver 6 transmits the signal to the signal receiving module 21, the signal receiving module 21 gives a prompt to a worker through a computer, the worker controls the robot to stop sending food and send the food back to a food taking place, the hand end part of the robot arm 7 is connected with the tray 8, the hand end part of the robot arm 7 is provided with two inward grooves, the two opposite inner sides of the robot arm 7 are provided with grooves, the sizes of the grooves are matched with those of the sides of the tray 8, the two sides of the tray 8 are clamped in the grooves of the robot arm 7, the tray 8 is convenient to take, the phenomenon that the tray 8 drops in the conveying process to cause food waste is avoided, the upper surface of the tray 8 is provided with a dinner plate placing groove 9, the depth of the dinner plate placing groove 9 is smaller than the height of the tray 8, the dinner plate placing groove 9 can be used for conveniently placing dinner plates, the dinner plates can be stably prevented from being arranged in the dinner plate placing groove 9, the cup placing groove 10 is arranged on one side of the dinner plate placing groove 9, the cup placing groove 10 is arranged on the upper surface of the tray 8, the cup placing groove 10 is used for conveniently placing cup beverages, the cups can be stably prevented from being arranged on the cup placing groove 10, the cup placing groove 9 is square, the cup placing groove 10 is circular, the shapes of the dinner plate placing groove 9 and the cup placing groove 10 are in accordance with the shapes of the dinner plates and the cups, the placing is more convenient, the problem of unstable holding of a robot can be avoided by arranging the dinner plate placing groove 9 and the cup placing groove 10, the holding stability of holding is improved, the waste of food is prevented, the grain can be saved, the depth of the dinner plate placing groove 10 is smaller than the height of the tray 8, slots 11 are respectively arranged at the front side and the rear side of the surface of the tray 8, an upper cover 12 is covered above the tray 8, the upper cover 12 can completely cover food, so that the food is separated from outside air or pollutants, the safety of the food is ensured, a handle 13 is arranged at the center of the upper surface of the upper cover 12 and is used for guests to open the upper cover 12, pollution can be avoided without contact, an antibacterial film 14 is covered on the inner side wall of the upper cover 12, the arrangement of the antibacterial film 14 can avoid the food from directly contacting with the upper cover 12, meanwhile, the food can be subjected to antibacterial treatment, the safety of the food is improved, the taste of the food is ensured, a clamping column 15 is fixedly arranged at the inner side of the edge of the upper cover 12, the clamping column 15 is movably connected with the slots 11, the clamping column 15 is arranged at the corresponding position of the slots 11, the size of the clamping column 15 is matched with that of the slots 11, the connection of the clamping column 15 and the slots 11 can reinforce the connection tightness of the upper cover 12, a connecting column 16 is arranged at the center of the upper surface of the robot body 1, one end of the connecting column 16 is fixed on the robot body 1, the other end of the connecting column 16 is fixedly connected with a robot head 17, sound sensors are respectively arranged on two sides of the robot head 17 and are electrically connected with the control module 3, the sound sensors can sense whether people exist around, danger avoidance can be carried out, an alarm 18 is arranged on one side of the connecting column 16, the bottom of the alarm 18 is arranged on the robot body 1, when the juice of food touches the humidity sensor, the alarm 18 can be triggered at the same time, used for prompting the staff, a visual sensor 19 is arranged right in front of the head part 17 of the robot, the visual sensor 19 is used for observing the surrounding situation, and avoiding in time, arranging a voice player 20 below the visual sensor 19, and enabling the robot to carry out intelligent voice speaking through the voice player 20.
Referring to fig. 5-6, the present embodiment provides a food delivery system of an intelligent voice food delivery robot for ensuring food safety, which includes a control module 3, an output end of the control module 3 is respectively connected to a signal receiving module 21, a camera module 22, a broadcasting module 23, an alarm module 24 and a walking module 25, the control module 3 can control the signal receiving module 21 to receive signals, the control module 3 can control the camera module 22 to monitor dangerous environments and obstacles around the body, the control module 3 can control the intelligent voice speaking of the robot, the control module 3 can control the alarm module 24 to broadcast in time when juice leaks, the control module 3 can control the walking and standing of the robot, the signal receiving module 21 is electrically connected to the signal receiver 6, the camera module 22 is electrically connected to a visual sensor 19, the broadcasting module 23 is electrically connected to a voice player 20, the alarm module 24 is electrically connected with the alarm 18, and the walking module 25 is electrically connected with the walking wheel 5.
To sum up, this ensure food safety's intelligent pronunciation food delivery robot and system, dinner plate standing groove 9 accords with the shape of dinner plate and drinking cup with the shape of drinking cup standing groove 10, more do benefit to and place, set up dinner plate standing groove 9 and drinking cup standing groove 10 and can avoid appearing the robot and hold in the palm the unstable problem of taking, improve the stability of holding in the palm and taking, prevent to cause the waste of food, can practice thrift grain, tray 8's top is stamped upper cover 12, upper cover 12 can cover food completely, make food separate with outside air or pollutant, guarantee the safety of food, the inside wall of upper cover 12 coats and is stamped fungi-proofing membrane 14, the setting of fungi-proofing membrane 14 can avoid food direct and upper cover 12 contact, also can carry out fungi-proofing to food simultaneously and handle, improve the security of food, guarantee the taste of food.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims (10)

1. The utility model provides an ensure food security's intelligent pronunciation food delivery robot, includes robot body (1), its characterized in that: the robot comprises a robot body (1), wherein a central controller (2) is arranged in the robot body (1), a control module (3) is arranged above the central controller (2), the bottom of the robot body (1) is fixedly arranged on a base (4), walking wheels (5) are movably arranged on the lower surface of the base (4), a signal receiver (6) is arranged at the front end of the robot body (1), robot arms (7) are respectively arranged at two ends of the robot body (1), the hand end parts of the robot arms (7) are connected with a tray (8), a dinner plate placing groove (9) is formed in the upper surface of the tray (8), a water cup placing groove (10) is formed in one side of the dinner plate placing groove (9), the water cup placing groove (10) is formed in the upper surface of the tray (8), slots (11) are respectively formed in the front side and the rear side of the surface of the tray (8), an upper cover (12) is covered above the tray (8), handle (13) are installed to the center department of upper cover (12) upper surface, the inside wall of upper cover (12) coats and is stamped fungi-proofing membrane (14), the inboard fixed calorie of post (15) that is provided with in border of upper cover (12), card post (15) and slot (11) swing joint, the center department of robot body (1) upper surface sets up spliced pole (16), the one end of spliced pole (16) is fixed on robot body (1), the other end fixed connection robot head (17) of spliced pole (16), one side of spliced pole (16) is equipped with alarm (18), install on robot body (1) the bottom of alarm (18), the dead ahead of robot head (17) is equipped with vision inductor (19), the below of vision inductor (19) sets up voice player (20).
2. The intelligent voice meal delivery robot for ensuring food safety as claimed in claim 1, wherein: the hand end of the robot arm (7) is inwards provided with a groove, the size of the groove is matched with that of the side of the tray (8), and the two sides of the tray (8) are clamped in the groove of the robot arm (7).
3. The intelligent voice meal delivery robot for ensuring food safety as claimed in claim 1, wherein: the dinner plate placing groove (9) is square, and the water cup placing groove (10) is circular.
4. The intelligent voice meal delivery robot for ensuring food safety as claimed in claim 1, wherein: the clamping column (15) is arranged at the corresponding position of the slot (11), and the size of the clamping column (15) is matched with that of the slot (11).
5. The intelligent voice meal delivery robot for ensuring food safety as claimed in claim 1, wherein: the depth of the dinner plate placing groove (9) is smaller than the height of the tray (8).
6. The intelligent voice meal delivery robot for ensuring food safety as claimed in claim 1, wherein: the depth of the cup placing groove (10) is smaller than the height of the tray (8).
7. The intelligent voice meal delivery robot for ensuring food safety as claimed in claim 1, wherein: the hand end part of the robot arm (7) is provided with a humidity sensor which is electrically connected with the signal receiver (6).
8. The intelligent voice meal delivery robot for ensuring food safety as claimed in claim 1, wherein: the two robot arms (7) are arranged, and grooves are formed in the opposite inner sides of the two robot arms (7).
9. The intelligent voice meal delivery robot for ensuring food safety as claimed in claim 1, wherein: and sound sensors are respectively installed on two sides of the robot head (17) and are electrically connected with the control module (3).
10. A food delivery system of an intelligent voice food delivery robot for ensuring food safety as claimed in claim 1, comprising a control module (3), characterized in that: the output end of the control module (3) is respectively connected with the signal receiving module (21), the camera module (22), the broadcasting module (23), the alarm module (24) and the walking module (25), the signal receiving module (21) is electrically connected with the signal receiver (6), the camera module (22) is electrically connected with the visual sensor (19), the broadcasting module (23) is electrically connected with the voice player (20), the alarm module (24) is electrically connected with the alarm (18), and the walking module (25) is electrically connected with the walking wheel (5).
CN202011585765.8A 2020-12-29 2020-12-29 Intelligent voice meal delivery robot and system for ensuring food safety Pending CN114683295A (en)

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CN202011585765.8A CN114683295A (en) 2020-12-29 2020-12-29 Intelligent voice meal delivery robot and system for ensuring food safety

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011585765.8A CN114683295A (en) 2020-12-29 2020-12-29 Intelligent voice meal delivery robot and system for ensuring food safety

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CN114683295A true CN114683295A (en) 2022-07-01

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Citations (11)

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Publication number Priority date Publication date Assignee Title
CN106378785A (en) * 2016-11-30 2017-02-08 苏州阿西机器人有限公司 Intelligent meal delivery robot
CN107139184A (en) * 2017-06-10 2017-09-08 唐建芳 A kind of intelligent robot of accompanying and attending to
US20170326724A1 (en) * 2015-04-08 2017-11-16 Beijing Evolver Robotics Co., Ltd Multi-Functional Home Service Robot
CN107984478A (en) * 2017-11-30 2018-05-04 歌尔科技有限公司 Dining room robot and its food delivery method
CN108582103A (en) * 2018-05-02 2018-09-28 安徽机电职业技术学院 A kind of Intelligent meal delivery robot
CN207953869U (en) * 2018-01-23 2018-10-12 江西理工大学南昌校区 A kind of Information Mobile Service robot
CN109397302A (en) * 2018-10-30 2019-03-01 广东粤迪厚创科技发展有限公司 Intelligent restaurant service robot
CN109986575A (en) * 2019-04-16 2019-07-09 苏州浦立特电子科技有限公司 A kind of robot, hotel with environment monitoring function
CN110053016A (en) * 2019-05-31 2019-07-26 南京涵铭置智能科技有限公司 A kind of hotel's meal delivery robot and working method
CN111660301A (en) * 2020-07-06 2020-09-15 上海亨临光电科技有限公司 Integrated form security protection patrols and examines robot
CN112123346A (en) * 2020-09-01 2020-12-25 北京机械设备研究所 Old man nurses robot

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170326724A1 (en) * 2015-04-08 2017-11-16 Beijing Evolver Robotics Co., Ltd Multi-Functional Home Service Robot
CN106378785A (en) * 2016-11-30 2017-02-08 苏州阿西机器人有限公司 Intelligent meal delivery robot
CN107139184A (en) * 2017-06-10 2017-09-08 唐建芳 A kind of intelligent robot of accompanying and attending to
CN107984478A (en) * 2017-11-30 2018-05-04 歌尔科技有限公司 Dining room robot and its food delivery method
CN207953869U (en) * 2018-01-23 2018-10-12 江西理工大学南昌校区 A kind of Information Mobile Service robot
CN108582103A (en) * 2018-05-02 2018-09-28 安徽机电职业技术学院 A kind of Intelligent meal delivery robot
CN109397302A (en) * 2018-10-30 2019-03-01 广东粤迪厚创科技发展有限公司 Intelligent restaurant service robot
CN109986575A (en) * 2019-04-16 2019-07-09 苏州浦立特电子科技有限公司 A kind of robot, hotel with environment monitoring function
CN110053016A (en) * 2019-05-31 2019-07-26 南京涵铭置智能科技有限公司 A kind of hotel's meal delivery robot and working method
CN111660301A (en) * 2020-07-06 2020-09-15 上海亨临光电科技有限公司 Integrated form security protection patrols and examines robot
CN112123346A (en) * 2020-09-01 2020-12-25 北京机械设备研究所 Old man nurses robot

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