A mobile robot-based infant integrated care system, method and device

Abstract

The present application relates to the field of infant care, and in particular to an infant integrated care system, method and device based on a mobile robot, comprising: a mobile platform module for carrying an autonomous mobile platform and a main controller, responsible for whole house navigation and computing power scheduling; a double robot arm module for configuring symmetrical first and second robot arms, the ends of which are wrapped in soft material to ensure physical safety when in contact with infants; an intelligent storage basket module for integrating a storage basket with a vision sensor to realize digital management and identification of articles. When the robot detects a slight risk (such as an infant approaching the edge of the platform but not exceeding the safety area), the system will control the mobile platform to slowly move to the vicinity of the infant, simultaneously starting a soft sound and light prompt (such as a warm yellow breathing light flashing and playing a soft soothing sound effect), guiding the infant away from the risk area and avoiding excessive fright.

Description

Technical Field

[0001] This invention belongs to the field of infant and toddler care technology, specifically a mobile robot-based integrated infant and toddler care system, method, and device. Background Technology

[0002] Infants and young children have a fast metabolism and generate a lot of body heat. During sleep, they often kick off their blankets because the temperature inside the blankets is high. When the ambient temperature is low, the longer an infant or young child lies in bed in thin clothing, the greater the risk of catching a cold. Caregivers of infants and young children also suffer from poor sleep quality due to worry about the infant's sleep, requiring constant supervision.

[0003] A patent with publication number CN108063800A discloses an infant care system and method, relating to mobile communication technology. The infant care system disclosed in this invention includes: an information collection module for collecting real-time information of the infant to be monitored; an information processing module for determining whether a monitoring alert event has occurred based on the collected real-time information, and storing the corresponding real-time information of the infant when an alert event is detected; and a mobile communication module for forwarding the stored real-time information of the infant from a remote server to the infant care client in real time. This application solves the problem of excessive reliance on users in infant care systems, promotes the intelligence of infant care systems, improves usability, reduces the complexity for users, and truly achieves unattended operation.

[0004] Currently, existing baby assistive robots can only perform simple auxiliary processing and cannot make real-time adjustments based on different behaviors of the baby. Once the baby makes data that exceeds the underlying code, the baby assistive robot cannot perform subsequent actions. Moreover, the baby assistive robot cannot provide assistance based on the actions currently being performed by the caregiver, which results in significant limitations in the operation of baby assistive robots.

[0005] Therefore, the present invention provides an integrated infant care system, method and device based on a mobile robot. Summary of the Invention

[0006] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.

[0007] Firstly, the technical solution adopted by the present invention to solve its technical problem is: the present invention provides an integrated infant care system based on a mobile robot, comprising: The mobile platform module is used to carry the autonomous mobile platform and main controller, and is responsible for whole-house navigation and computing power scheduling. The dual robotic arm module is used to configure symmetrical first and second robotic arms, with the ends wrapped in soft material to ensure physical safety when in contact with infants and young children; The intelligent storage basket module is used to integrate visual sensors into storage baskets to achieve digital management and identification of items; Multimodal sensing module for non-contact infant detection; The multimodal sensing module includes an infrared thermal imaging sensor unit, a color depth camera and millimeter-wave radar monitoring unit, a far-field microphone array unit, and a linkage communication unit. The infrared thermal imaging sensor unit is used for non-contact body surface temperature monitoring of infants and young children. The color depth camera and millimeter-wave radar monitoring unit are used for infant behavior recognition, object positioning, vital sign monitoring, and environmental modeling. The far-field microphone array unit is used to receive the parents' voice and to control the subsequent actions and operating modes. Preferably, the dual robotic arm module includes a flexible interaction unit, a collaborative operation unit, and a force control and protection unit; The flexible interactive unit is designed with soft materials at its ends to ensure that it will not scratch or injure the skin of infants and young children during physical contact. The collaborative work unit can complete complex tasks by working together with its two arms. The force control protection unit uses a built-in torque sensor to detect and control the applied force. When abnormal resistance or excessive contact force is detected, it immediately stops the action, achieving a millisecond-level safety response.

[0008] Secondly, a method for integrated infant and toddler care based on mobile robots includes the following steps: Step 1: Through proactive safety monitoring and intervention by robots, the system possesses the ability to identify risks and intervene in real time. Step 2: Use robots to systematically manage supplies and provide systematic reminders about missing supplies, and notify guardians to replenish supplies. Step 3: Personalized environmental control methods based on non-contact body temperature; Step 4: Voice command-driven instant object retrieval method.

[0009] Preferably, step 1 includes the following steps: S1. Continuously monitor the infant's body posture, activity trajectory and respiratory rate through a color depth camera and millimeter-wave radar; S2. When a preset danger mode is detected, the danger mode includes the body being outside the safe area, the mouth and nose being covered, and abnormal breathing. The system determines the risk level according to the severity. The risk level includes: "warning" level, "critical" level, and "emergency" level. S3. Record data throughout the entire event process.

[0010] Preferably, step S2 further includes the following step: S4, "Warning" Level: Control the robot to move near infants and young children and emit a soft sound and light prompt; "Alarm" level: While issuing an alarm, a robotic arm is gently extended between the infant and the danger source to form a physical barrier. "Emergency" level: Triggers the highest level alarm and attempts to control the robotic arm to remove obstructions near the infant's mouth and nose with minimal force.

[0011] Preferably, step 2 includes the following steps: S5. Classify and file the required items by type. Register each type of item in the storage basket through visual recognition. The item types include milk powder cans and diaper bags. Set the minimum inventory threshold for each type of item. S6. When the robot successfully grabs an item from the storage basket according to the instructions, the system automatically decrements the virtual inventory quantity of that type of item by one. If an item is added to the storage basket, the system automatically increments the virtual inventory quantity of that type of item by one. S7. When the inventory quantity of a certain type of item is detected to be lower than its set minimum threshold, a supplementary reminder message containing the specific item name will be automatically sent to the guardian through voice broadcast and mobile application push.

[0012] Preferably, step 3 includes the following steps: S8. Periodically and non-contactly measure the surface temperature of an infant's forehead or torso using an infrared thermal imaging sensor. S9. Combining the current room temperature and humidity, and taking into account the infant's clothing status (roughly estimated visually) and activity status (sleeping or active), the optimal target ambient temperature to be maintained is calculated using the preset infant thermal comfort calculation model. S10. Compare the calculated optimal target ambient temperature with the current actual room temperature; if the difference exceeds the set comfort range (e.g., ±0.5°C), control the air conditioner, humidifier and other equipment to work through the linkage communication unit to adjust the room environment to the target state; S11. Continue executing S8 to S10 to form a closed-loop control system that dynamically adjusts the environment according to the physiological state of infants and young children.

[0013] Preferably, step S8 further includes the following step: The system uses an infrared thermal imaging sensor to periodically collect surface temperature data of the infant, and categorizes the collected data into categories such as head temperature, trunk temperature, arm temperature, leg temperature, and room temperature. Simultaneously, it takes photos of the infant's overall condition to document the cause of any abnormal temperature. This allows for subsequent analysis to determine if the temperature is too high (e.g., too thick a blanket, excessively high room temperature, or fever) or too low (e.g., too low room temperature, blanket falling off the body, or insufficient blanket thickness). This data allows caregivers to adjust the infant's blankets accordingly.

[0014] Preferably, step 4 includes the following steps: S12. The natural language command issued by the guardian is captured through the far-field microphone array. The command is "Please bring the bottle over". The voice recognition system analyzes the key item name in the command as: bottle, and the action intention is: bring it over.

[0015] S13. The system first determines whether the item is stored in the smart storage basket. If so, it locates the item directly. If not, it controls the robot to move to the item's usual storage location in the home environment. If the item is not in the storage basket or in its usual storage location, it will directly remind the guardian and retrieve the item through the guardian's voice control (repeating step S12), or wait for the guardian to retrieve the item into the storage basket. S14. The robot precisely guides the grasping action through the vision sensor at the end of the robotic arm; after successful grasping, the robot plans a safe path and moves autonomously to the vicinity of the guardian. S15. The robot uses voice commands, including "The bottle is here" or light prompts to alert the caregiver, and maintains a delivery posture until the item is taken away, completing the service loop.

[0016] Thirdly, an integrated infant care device based on a mobile robot includes the following steps: the robot includes a robot chassis, a control screen is provided on the top surface of the robot chassis and located at the front position, a lifter is provided on the top surface of the robot chassis and located behind the control screen, a switch button is provided on the front of the robot chassis, the lifter is provided on the top surface of the robot chassis, an overlapping support plate is fixedly connected to the output end of the lifter, a multi-axis swinging robotic arm is fixedly installed on the top surface of the overlapping support plate, a gripper is provided at the output end of the multi-axis swinging robotic arm, and a storage basket is provided on the top surface of the robot chassis.

[0017] The beneficial effects of this invention are as follows: 1. The present invention discloses an integrated infant care system, method, and device based on a mobile robot. When the robot detects a minor risk (such as an infant approaching the edge of the platform but not exceeding the safe area), the system will control the mobile platform to slowly move to the vicinity of the infant and simultaneously activate gentle sound and light prompts (such as flashing a warm yellow breathing light and playing soft soothing sound effects) to guide the infant away from the risk area and avoid excessive fright.

[0018] 2. The mobile robot-based integrated infant care system, method, and device described in this invention, when the risk detected by the robot escalates (such as the infant attempting to climb a fence or part of their body exceeding the safe area), the system will immediately trigger a high-decibel alarm (such as a buzzer sound), and simultaneously control the first robotic arm to gently extend at low speed and low torque to the space between the infant and the danger source (such as a table corner or power socket), using the soft material at the end to form a physical barrier to prevent the infant from getting further close to the danger source. At the same time, the system pushes real-time images and the location of the danger to the guardian's mobile phone through the linkage communication unit.

[0019] 3. The mobile robot-based integrated infant care system, method, and device described in this invention, when the robot detects a life-threatening risk (such as the mouth and nose being completely covered by clothing / bedding, or breathing apnea exceeding 15 seconds), the system will trigger the highest level alarm (such as a red flashing light + continuous beeping), and simultaneously control the second robotic arm to precisely remove the obstruction near the infant's mouth and nose with minimal force (real-time feedback from a torque sensor, with the force controlled within 0.5N), while automatically dialing an emergency number and synchronizing the infant's vital signs data through a linkage communication unit, ensuring that external rescue is initiated within the golden rescue time. Attached Figure Description

[0020] The invention will now be further described with reference to the accompanying drawings.

[0021] Figure 1 This is a block diagram of the overall system architecture of the present invention; Figure 2 This is a flowchart of the proactive safety care and intervention process in this invention; Figure 3 This is a flowchart of the intelligent material management and replenishment reminder process in this invention; Figure 4 This is a flowchart of the environmental control process based on non-contact body temperature in this invention; Figure 5 This is a flowchart of the voice command-driven instant object retrieval process in this invention; Figure 6 This is a three-dimensional view of the robot chassis in this invention; Figure 7 This is a partial three-dimensional view of the robot chassis in this invention.

[0022] In the diagram: 11. Robot chassis; 111. Control panel; 112. Switch button; 113. Lifter; 114. Overlapping support plate; 115. Multi-axis swinging robotic arm; 116. Gripper; 117. Storage basket. Detailed Implementation

[0023] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0024] Example 1

[0025] like Figure 1 As shown, an embodiment of the present invention provides an integrated infant care system based on a mobile robot, comprising: The mobile platform module is used to carry the autonomous mobile platform and main controller, and is responsible for whole-house navigation and computing power scheduling. The dual robotic arm module is used to configure symmetrical first and second robotic arms, with the ends wrapped in soft material to ensure physical safety when in contact with infants and young children; The intelligent storage basket module is used to integrate visual sensors into storage baskets to achieve digital management and identification of items; Multimodal sensing module for non-contact infant detection; The multimodal sensing module includes an infrared thermal imaging sensor unit, a color depth camera and millimeter-wave radar monitoring unit, a far-field microphone array unit, and a linkage communication unit; The infrared thermal imaging sensor unit is used for non-contact body surface temperature monitoring of infants and young children. Color depth cameras and millimeter-wave radar monitoring units are used for infant behavior recognition, object localization, vital sign monitoring, and environmental modeling. The far-field microphone array unit is used to receive the parents' voice and control the subsequent actions and operation. The linkage communication unit is used for wireless communication with smart home devices such as air conditioners and humidifiers; The dual robotic arm module includes a flexible interaction unit, a collaborative operation unit, and a force control and protection unit; The flexible interactive unit uses soft materials at its ends to ensure that it will not scratch or injure the skin of infants and young children during physical contact; The collaborative work unit can complete complex tasks by working together with its two arms. The force control protection unit detects and controls the applied force through a built-in torque sensor. When abnormal resistance or excessive contact force is detected, it immediately stops operating, achieving a millisecond-level safety response.

[0026] Example 2

[0027] like Figures 2 to 5As shown in the figure, an integrated infant care method based on a mobile robot according to an embodiment of the present invention includes the following steps: Step 1: Through proactive safety monitoring and intervention by robots, the system possesses the ability to identify risks and intervene in real time. Step 1 includes the following steps: S1. Continuously monitor the infant's body posture, activity trajectory and respiratory rate through a color depth camera and millimeter-wave radar; S2. When a preset danger mode is detected, the danger mode includes the body being outside the safe area, the mouth and nose being covered, and abnormal breathing. The system determines the risk level according to the severity. The risk levels include: "warning", "critical" and "emergency". S3. Record data throughout the entire event process; S4, "Warning" Level: Control the robot to move near infants and young children and emit a soft sound and light prompt; "Alarm" level: While issuing an alarm, a robotic arm is gently extended between the infant and the danger source to form a physical barrier. "Emergency" level: Triggers the highest level alarm and attempts to control the robotic arm to remove obstructions near the infant's mouth and nose with minimal force; Step 2: Use robots to systematically manage supplies and provide systematic reminders about missing supplies, and notify guardians to replenish supplies. Step 2 includes the following steps: S5. Classify and file the required items by type. Register each type of item in the storage basket through visual recognition. The item types include milk powder cans and diaper bags. Set the minimum inventory threshold for each type of item. S6. When the robot successfully grabs an item from the storage basket according to the instructions, the system automatically decrements the virtual inventory quantity of that type of item by one. If an item is added to the storage basket, the system automatically increments the virtual inventory quantity of that type of item by one. S7. When the inventory quantity of a certain type of item is detected to be lower than its set minimum threshold, a supplementary reminder message containing the specific item name will be automatically sent to the guardian through voice broadcast and mobile application push. Step 3: Personalized environmental control methods based on non-contact body temperature; Step 3 includes the following steps: S8. Periodically and non-contactly measure the surface temperature of an infant's forehead or torso using an infrared thermal imaging sensor. S8 also includes the following steps: The infrared thermal imaging sensor periodically collects surface temperature data of infants and categorizes the data into categories such as head temperature, trunk temperature, arm temperature, leg temperature, and room temperature. Simultaneously, the system takes photos of the infant's overall condition to document the cause of any abnormal temperature. This allows caregivers to adjust the infant's blankets based on the data: if the temperature is too high (e.g., too thick a blanket, excessively high room temperature, or fever), or if it is too low (e.g., too low room temperature, blanket falling off the body, or insufficient blanket thickness). S9. Combining the current room temperature and humidity, and taking into account the infant's clothing status, through visual rough estimation and activity status (sleep or activity), the system uses a preset infant thermal comfort calculation model to calculate the optimal target environmental temperature that should be maintained.

[0028] S10. Compare the calculated optimal target ambient temperature with the current actual room temperature; if the difference exceeds the set comfort range, such as ±0.5°C, control the air conditioner, humidifier and other equipment to work through the linkage communication unit to adjust the room environment to the target state. S11. Continue executing S8 to S10 to form a closed-loop control system that dynamically adjusts the environment according to the physiological state of infants and young children. Step 4: Voice command-driven instant object retrieval method.

[0029] Step 4 includes the following steps: S12. The natural language command issued by the guardian is captured through the far-field microphone array. The command is "Please bring the bottle over". The voice recognition system analyzes the key item name in the command as: bottle, and the action intention as: bring it over. S13. The system first determines whether the item is stored in the smart storage basket. If so, it locates the item directly. If not, it controls the robot to move to the item's usual storage location in the home environment. If the item is not in the storage basket or in its usual storage location, it will directly remind the guardian and use the guardian's voice control to retrieve the item, repeating step S12, or wait for the guardian to retrieve the item into the storage basket. S14. The robot precisely guides the grasping action through the vision sensor at the end of the robotic arm; after successful grasping, the robot plans a safe path and moves autonomously to the vicinity of the guardian. S15. The robot alerts the caregiver with voice prompts such as "The baby bottle is here" or lights, and maintains its delivery posture until the item is taken away, thus completing the service loop.

[0030] Example 3

[0031] like Figures 6-7 As shown in the figure, an integrated infant care device based on a mobile robot according to an embodiment of the present invention includes the following steps: The robot includes a robot chassis 11, a control screen 111 located on the top surface and front of the robot chassis 11, a lifter 113 located on the top surface and back of the control screen 111, a switch button 112 located on the front of the robot chassis 11, a lifter 113 located on the top surface of the robot chassis 11, an overlapping support plate 114 fixedly connected to the output end of the lifter 113, a multi-axis swinging robotic arm 115 fixedly mounted on the top surface of the overlapping support plate 114, a gripper 116 located at the output end of the multi-axis swinging robotic arm 115, and a storage basket 117 located on the top surface of the robot chassis 11.

[0032] Working principle: When the robot detects a minor risk, such as an infant or toddler approaching the edge of the platform but not exceeding the safe zone, the system will control the mobile platform to slowly move to the vicinity of the infant or toddler, and simultaneously activate soft sound and light cues, such as a warm yellow breathing light flashing and playing gentle soothing sound effects, to guide the infant or toddler away from the risk area and avoid excessive fright. When the risk detected by the robot escalates, such as when an infant or toddler attempts to climb a fence or moves part of their body beyond the safe area, the system will immediately trigger a high-decibel alarm, such as a buzzing sound. At the same time, it will control the first robotic arm to gently extend at a low speed and low torque to the space between the infant or toddler and the danger source, such as a table corner or power outlet. The soft material at the end of the arm forms a physical barrier to prevent the infant or toddler from getting any closer to the danger source. Simultaneously, the system will push real-time images and the location of the danger to the guardian's mobile phone through the linkage communication unit. When the robot detects a life-threatening risk, the system will trigger the highest level alarm, such as a red flashing light and continuous beeping. Simultaneously, it will control the second robotic arm to remove obstructions near the infant's mouth and nose with minimal force, based on real-time feedback from the torque sensor. The force will be controlled within 0.5N. At the same time, it will automatically dial an emergency number and synchronize the infant's vital signs data through the linkage communication unit to ensure that external rescue is initiated within the golden rescue time.

[0033] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. An integrated infant care system based on a mobile robot, characterized in that: include: The mobile platform module is used to carry the autonomous mobile platform and main controller, and is responsible for whole-house navigation and computing power scheduling. The dual robotic arm module is used to configure symmetrical first and second robotic arms, with the ends wrapped in soft material to ensure physical safety when in contact with infants and young children; The intelligent storage basket module is used to integrate visual sensors into storage baskets to achieve digital management and identification of items; Multimodal sensing module for non-contact infant detection; The multimodal sensing module includes an infrared thermal imaging sensor unit, a color depth camera and millimeter-wave radar monitoring unit, a far-field microphone array unit, and a linkage communication unit. The infrared thermal imaging sensor unit is used for non-contact body surface temperature monitoring of infants and young children. The color depth camera and millimeter-wave radar monitoring unit are used for infant behavior recognition, object positioning, vital sign monitoring, and environmental modeling. The far-field microphone array unit is used to receive the parents' voice and to control the subsequent actions and operating modes. The linkage communication unit is used for wireless communication with smart home devices such as air conditioners and humidifiers.

2. The integrated infant care system based on a mobile robot according to claim 1, characterized in that: The dual robotic arm module includes a flexible interaction unit, a collaborative operation unit, and a force control and protection unit. The flexible interactive unit is designed with soft materials at its ends to ensure that it will not scratch or injure the skin of infants and young children during physical contact. The collaborative work unit can complete complex tasks by working together with its two arms. The force control protection unit uses a built-in torque sensor to detect and control the applied force. When abnormal resistance or excessive contact force is detected, it immediately stops operating, achieving a millisecond-level safety response.

3. A method for integrated infant and toddler care based on mobile robots, comprising the following steps: Step 1: Through proactive safety monitoring and intervention by robots, the system possesses the ability to identify risks and intervene in real time. Step 2: Use robots to systematically manage supplies and provide systematic reminders about missing supplies, and notify guardians to replenish supplies. Step 3: Personalized environmental control methods based on non-contact body temperature; Step 4: Voice command-driven instant object retrieval method.

4. The method for integrated infant and toddler care based on a mobile robot according to claim 3, characterized in that: Step 1 includes the following steps: S1. Continuously monitor the infant's body posture, activity trajectory and respiratory rate through a color depth camera and millimeter-wave radar; S2. When a preset danger mode is detected, the danger mode includes the body being outside the safe area, the mouth and nose being covered, and abnormal breathing. The system determines the risk level according to the severity. The risk level includes: "warning" level, "critical" level, and "emergency" level. S3. Record data throughout the entire event process.

5. The method for integrated infant and toddler care based on a mobile robot according to claim 4, characterized in that: S2 further includes the following steps: S4, "Warning" level: Control the robot to move near infants and young children and emit a soft sound and light prompt; "Alarm" level: While issuing an alarm, a robotic arm is gently extended between the infant and the danger source to form a physical barrier; "Emergency" level: Triggers the highest level alarm and attempts to control the robotic arm to remove obstructions near the infant's mouth and nose with minimal force.

6. The method for integrated infant and toddler care based on a mobile robot according to claim 3, characterized in that: Step 2 includes the following steps: S5. Classify and file the required items by type. Register each type of item in the storage basket through visual recognition. The item types include milk powder cans and diaper bags. Set the minimum inventory threshold for each type of item. S6. When the robot successfully grabs an item from the storage basket according to the instructions, the system automatically decrements the virtual inventory quantity of that type of item by one. If an item is added to the storage basket, the system automatically increments the virtual inventory quantity of that type of item by one. S7. When the inventory quantity of a certain type of item is detected to be lower than its set minimum threshold, a supplementary reminder message containing the specific item name will be automatically sent to the guardian through voice broadcast and mobile application push.

7. The method for integrated infant and toddler care based on a mobile robot according to claim 3, characterized in that: Step 3 includes the following steps: S8. Periodically and non-contactly measure the surface temperature of an infant's forehead or torso using an infrared thermal imaging sensor. S9. Combining the current room temperature and humidity, and taking into account the infant's clothing status (roughly estimated visually) and activity status (sleeping or active), the optimal target ambient temperature to be maintained is calculated using the preset infant thermal comfort calculation model. S10. Compare the calculated optimal target ambient temperature with the current actual room temperature; if the difference exceeds the set comfort range (e.g., ±0.5°C), control the air conditioner, humidifier and other equipment to work through the linkage communication unit to adjust the room environment to the target state; S11. Continue executing S8 to S10 to form a closed-loop control system that dynamically adjusts the environment according to the physiological state of infants and young children.

8. The method for integrated infant and toddler care based on a mobile robot according to claim 7, characterized in that: S8 further includes the following steps: The system uses an infrared thermal imaging sensor to periodically collect surface temperature data of the infant, and categorizes the collected data into categories such as head temperature, trunk temperature, arm temperature, leg temperature, and room temperature. Simultaneously, it takes photos of the infant's overall condition to document the cause of any abnormal temperature. This allows for subsequent analysis to determine if the temperature is too high (e.g., too thick a blanket, excessively high room temperature, or fever) or too low (e.g., too low room temperature, blanket falling off the body, or insufficient blanket thickness). This data allows caregivers to adjust the infant's blankets accordingly.

9. The method for integrated infant and toddler care based on a mobile robot according to claim 3, characterized in that: Step 4 includes the following steps: S12. The natural language command issued by the guardian is captured through the far-field microphone array. The command is "Please bring the bottle over". The voice recognition system analyzes the key item name in the command as: bottle, and the action intention as: bring it over. S13. The system first determines whether the item is stored in the smart storage basket. If so, it locates the item directly. If not, it controls the robot to move to the item's usual storage location in the home environment. If the item is not in the storage basket or in its usual storage location, it will directly remind the guardian and retrieve the item through the guardian's voice control (repeating step S12), or wait for the guardian to retrieve the item into the storage basket. S14. The robot precisely guides the grasping action through the vision sensor at the end of the robotic arm; after successful grasping, the robot plans a safe path and moves autonomously to the vicinity of the guardian. S15. The robot uses voice commands, including "The bottle is here" or light prompts to alert the caregiver, and maintains a delivery posture until the item is taken away, completing the service loop.

10. A mobile robot-based integrated infant care device, applicable to the mobile robot-based integrated infant care system and method described in any one of claims 1-9, characterized in that: The robot includes a robot chassis (11), a control screen (111) is provided on the top surface of the robot chassis (11) and at the front position, a lifter (113) is provided on the top surface of the robot chassis (11) and at the back of the control screen (111), a switch button (112) is provided on the front of the robot chassis (11), the lifter (113) is provided on the top surface of the robot chassis (11), the output end of the lifter (113) is fixedly connected to an overlapping support plate (114), a multi-axis swinging robotic arm (115) is fixedly installed on the top surface of the overlapping support plate (114), the output end of the multi-axis swinging robotic arm (115) is provided with a gripper (116), and a storage basket (117) is provided on the top surface of the robot chassis (11).

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