Automatic disinfecting and killing robot
By designing an automated disinfection robot, which utilizes rotating drive and pushing components to achieve simultaneous disinfection of floors and walls, the problem of low disinfection efficiency in hospital corridors is solved, achieving comprehensive coverage and improved stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-24
- Publication Date
- 2026-03-20
AI Technical Summary
Disinfection efficiency of hospital corridor floors and walls is low, making it difficult to cover them simultaneously. Furthermore, traditional manual disinfection methods are inefficient and have limited coverage.
Design an automatic disinfection robot equipped with a mobile chassis, a disinfectant spraying device, and a rotary drive device. The rotary drive device controls the rotation of the spraying arm, allowing the nozzle assembly to dock with the floor and walls respectively. Combined with the push component, the spraying range is expanded, and the sensor component avoids obstacles, achieving all-round disinfection.
It improves disinfection efficiency, reduces disinfection blind spots, expands the coverage area, is suitable for corridors of different widths and heights, enhances stability and service life, and achieves all-round disinfection coverage.
Smart Images

Figure CN224010198U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of disinfection equipment, specifically relates to an automatic disinfection robot. BACKGROUND
[0002] The hospital bacteria source in addition to the pathogenic bacteria in atmosphere commonly seen, also has the infectious bacteria that the patient takes into the hospital, the crowd density is big in the hospital, the illumination intensity is small, the air circulation is not good, is very suitable for the breeding of various bacteria, in order to prevent patient cross infection, avoid the wound infection of trauma patient and so on, the hospital will use a large amount of disinfectant to clean every day, and different places and use scene will also have different disinfection specifications. At present, the hospital corridor is used as high-frequency area, the floor and wall are easy to breed bacteria and virus, and the traditional disinfection mode mainly relies on manual operation, which is low in efficiency, limited in coverage and difficult to disinfect the floor and wall at the same time. UTILITARIAN CONTENT
[0003] The utility model aims at overcoming the defects of prior art, and provides an automatic disinfection robot capable of efficiently and comprehensively disinfecting the floor and wall of the corridor.
[0004] The utility model adopts the following technical scheme:
[0005] An automatic disinfection robot can be used for disinfecting a long corridor at night, comprising a mobile case, a disinfectant spraying device, a rotary driving device and a control device; the mobile case comprises a water tank arranged in the interior thereof for containing disinfectant, a bottom spraying pipe arranged at the lower part of the mobile case and connected with the water tank for spraying the floor, and a walking mechanism arranged at the bottom of the mobile case; the disinfectant spraying device is provided with two, is arranged oppositely on the mobile case and is connected with the water tank respectively, and comprises a spraying arm rotatably arranged on the mobile case, a nozzle assembly movably arranged on the spraying arm and a pushing assembly arranged between the spraying arm and the nozzle assembly; the rotary driving device is provided with two, is connected with the two spraying arms respectively and drives the two spraying arms to rotate upward or downward; the control device comprises a sensing assembly arranged on the disinfectant spraying device and a controller connected with the sensing assembly, the pushing assembly and the rotary driving device; when the sensing assembly senses an obstacle, the pushing assembly can drive the nozzle assembly to move towards the installation cavity after receiving the signal fed back by the controller.
[0006] Further, the spraying arm is formed with an installation cavity for mounting the nozzle assembly, and the pushing assembly is arranged on the spraying arm, is connected with and drives the nozzle assembly to move back and forth in the installation cavity.
[0007] Further, the spray head assembly comprises a movable pipe body movably arranged in the mounting cavity, a spray pipe body arranged at the bottom of the movable pipe body and connected with the water tank, and a plurality of nozzles arranged on the spray pipe body and opposite to the floor or wall along the length direction of the spray pipe body, the spray pipe body is provided with a water inlet hole, the water inlet hole is communicated with the water tank through a water pipe, and the water pipe can enter the movable pipe body; the bottom surface of the spray arm is formed with a gap hole communicated with the mounting cavity for the spray pipe body to extend out.
[0008] Further, the push assembly comprises a connecting seat arranged on the top surface of the movable pipe body and a movable electric push rod arranged on one end of the top surface of the spray arm and connected with the connecting seat, and the top surface of the spray arm is formed with a sliding groove for the back-and-forth movement of the connecting seat.
[0009] Further, the sensing assembly comprises three distance sensors arranged along the circumferential surface of the front end of the movable pipe body at intervals, respectively, for sensing obstacles in front, back and side directions, respectively.
[0010] Further, the rotary driving device comprises a mounting seat arranged on the movable case, a driving motor arranged on the movable case and connected with the spray arm to drive the spray arm to rotate upward or downward, and a transmission assembly arranged between the spray arm and the driving motor, and the spray arm is rotatably connected with the mounting seat through a rotating shaft.
[0011] Further, the transmission assembly comprises a first gear arranged on the output shaft of the driving motor and a second gear rotatably engaged with the first gear and arranged at one end of the rotating shaft.
[0012] Further, the rotary driving device further comprises a positioning assembly arranged between the movable case and the spray arm, the positioning assembly comprises a magnet arranged on the side of the spray arm opposite to the movable case and a magnetic attraction block arranged on the movable case for attracting the magnet, when the spray arm is rotated upward to the side of the movable case, the magnet cooperates with the magnetic attraction block to make the spray arm stably positioned on the side of the movable case.
[0013] Further, the movable case further comprises two ultraviolet lamps arranged opposite to each other on the movable case, and the water tank is provided with a water inlet.
[0014] Further, the control device further comprises a control panel wirelessly connected with the controller and remotely controlled by medical staff, and a camera arranged on the movable case and connected with the controller for medical staff to observe the ward condition.
[0015] From the above description of the utility model, compared with the prior art, the utility model has the advantages that: by limiting the specific structure of the automatic sterilization robot, the two disinfectant spraying devices are matched through the two rotary driving devices and the control device, the mobile case is first moved to the wall on one side of the corridor, the nozzle assembly of one spraying arm is opposite to the wall, the driving motor of the other rotary driving device is controlled separately to start, thereby driving the corresponding spraying arm to rotate downward and the nozzle assembly thereof is opposite to the floor of the corridor, the purpose of sterilizing the floor of the corridor on one side and the wall on the other side is realized, and the sterilization efficiency of the automatic sterilization robot is improved; and when the automatic sterilization robot sterilizes the walls on both sides of the corridor and the floor of the corridor close to the walls, the mobile case can be moved to the middle of the corridor, then the spraying arm opposite to the wall of the corridor is driven to rotate downward, the two nozzle assemblies of the two spraying arms are opposite to the floor of the corridor respectively, and the middle position of the floor of the corridor is sterilized, so that the dead angle of sterilization is reduced, the corridor is fully covered, and the needs of the medical staff for sterilizing the corridor in all directions are met; meanwhile, the specific structure of the disinfectant spraying device is limited, the nozzle assembly is pushed out of the spraying arm through the pushing assembly, the nozzle assembly can spray disinfectant on the wall and the floor farther away from the mobile case, the spraying range of the nozzle assembly is expanded, the sterilization coverage range of the disinfectant spraying device is improved, and the disinfectant spraying device can be applied to corridors of different widths and heights, and the practicality of the automatic sterilization robot is improved.
[0016] The working state of the pushing assembly can be controlled through the sensing assembly arranged on the disinfectant spraying device, the length of the nozzle assembly extending out of the spraying arm is adjusted conveniently, the nozzle assembly is prevented from colliding with an obstacle, the service life of the disinfectant spraying device is improved, and when in use, the three distance sensors can sense obstacles in front, behind and on the side of the nozzle assembly respectively, so that the nozzle assembly moves towards the installation cavity and is timely away from the obstacles.
[0017] The positioning assembly arranged between the mobile case and the spraying arm can make the spraying arm stably positioned on the side of the mobile case when the spraying arm rotates upward to be opposite to the wall on one side of the corridor through the magnetic attraction between the magnetic block and the magnet, the spraying arm is prevented from shaking in the process of walking and sterilizing the wall of the corridor, and the stability of the disinfectant spraying device is improved.
[0018] The two ultraviolet lamps arranged opposite to the mobile case can be turned on to sterilize when the corridor is empty at night, the two ultraviolet lamps work together with the bottom spraying pipe and the disinfectant spraying device to realize more thorough sterilization. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 Structure diagram of the self-propelled disinfection robot Figure 1 .
[0020] Figure 2 Structure diagram of the self-propelled disinfection robot Figure 1 .
[0021] Figure 3 Structure diagram of the rotating drive device in operation
[0022] Figure 4 Structure diagram of the internal part of the mobile case
[0023] Figure 5 Structure diagram of the pushing assembly in operation
[0024] Figure 6 Structure diagram of the partial structure of the disinfectant spraying device
[0025] Figure 7 Structure diagram of the connection between the water pipe and the spraying pipe body
[0026] In the figure: 1, mobile case; 11, water tank; 12, bottom spraying pipe; 13, walking mechanism; 14, water filling port; 15, ultraviolet lamp; 16, through hole; 2, disinfectant spraying device; 21, spraying arm; 22, nozzle assembly; 23, pushing assembly; 231, connecting seat; 232, mobile electric push rod; 233, sliding groove; 24, mounting cavity; 25, mobile pipe body; 26, spraying pipe body; 261, water inlet hole; 27, nozzle; 28, clearance hole; 3, rotating drive device; 31, mounting seat; 32, drive motor; 33, transmission assembly; 34, first gear; 35, second gear; 36, positioning assembly; 37, magnet; 38, magnetic attraction block; 4, control device; 41, sensing assembly; 42, distance sensor; 43, camera. DETAILED DESCRIPTION
[0027] The present application will be further described in the following specific embodiments.
[0028] As shown in Figures 1 to 7 , the present embodiment provides an automatic disinfection robot, which can be used for disinfecting long corridors at night, comprising a mobile case 1, a disinfectant spraying device 2, a rotating drive device 3, and a control device 4.
[0029] The mobile case 1 comprises a water tank 11 arranged inside for containing sterilizing water, a bottom spraying pipe 12 arranged at the lower part of the mobile case 1 and connected with the water tank 11 for spraying the floor, and a walking mechanism 13 arranged at the bottom of the mobile case 1; in use, the walking mechanism 13 can drive the mobile case 1 to move along the corridor, and the floor opposite to the mobile case 1 can be sprayed with sterilizing liquid through the bottom spraying pipe 12; specifically, the water tank 11 is provided with a water filling opening 14, which can be connected with a water filling pipeline to add new sterilizing liquid into the water tank 11; further, the mobile case 1 further comprises two ultraviolet lamps 15 arranged oppositely on the mobile case 1; when sterilizing at night when the corridor is not crowded, the two ultraviolet lamps 15 can be turned on through the control device 4, and the two ultraviolet lamps 15 work together with the bottom spraying pipe 12 and the sterilizing liquid spraying device 2 to realize more thorough sterilizing operation; further, the walking mechanism 13 adopts a walking device which can realize the movement of the equipment in the prior art, such as the walking device of a sweeping robot, which is a mature technology in the mechanical field, and the specific structure and working principle thereof will not be described further.
[0030] The disinfectant spraying device 2 is provided with two, which are oppositely arranged on the mobile box 1 and connected with the water tank 11 respectively, comprising a spraying arm 21 rotatably arranged on the mobile box 1, a nozzle assembly 22 movably arranged on the spraying arm 21 and a pushing assembly 23 arranged between the spraying arm 21 and the nozzle assembly 22; in use, the pushing assembly 23 can push the nozzle assembly 22 out of the spraying arm 21, so that the nozzle assembly 22 can spray disinfectant on the floor and wall farther away from the mobile box 1, thereby expanding the spraying range of the nozzle assembly 22 and improving the disinfection coverage of the disinfectant spraying device 2, which can be suitable for corridors of different heights and widths and improve the practicability of the automatic killing robot; specifically, the spraying arm 21 is formed with a mounting cavity 24 for mounting the nozzle assembly 22, and the pushing assembly 23 is arranged on the spraying arm 21 to connect and drive the nozzle assembly 22 to move back and forth in the mounting cavity 24; further, the nozzle assembly 22 comprises a movable pipe body 25 movably arranged in the mounting cavity 24, a spraying pipe body 26 arranged at the bottom of the movable pipe body 25 and connected with the water tank 11, and a plurality of nozzles 27 arranged on the spraying pipe body 26 and spaced along the length direction of the spraying pipe body 26 and can be opposite to the floor or wall, wherein the bottom surface of the spraying arm 21 is formed with a clearance hole 28 communicating with the mounting cavity 24 for the spraying pipe body 26 to extend out; further, the pushing assembly 23 comprises a connecting seat 231 arranged on the top surface of the movable pipe body 25 and a movable electric push rod 232 arranged on one end of the top surface of the spraying arm 21 and connected with the connecting seat 231, and the top surface of the spraying arm 21 is formed with a sliding groove 233 for the connecting seat 231 to move back and forth; further, the spraying pipe body 26 is provided with a water inlet hole 261, and the water inlet hole 261 is communicated with the water tank 11 through a water pipe, and the water pipe can enter the movable pipe body 25, wherein the mobile box 1 is provided with a through hole 16 for the water pipe to pass through, and the movable pipe body 25 is hollowly arranged, and the water pipe in the mobile box 1 passes through the through hole 16 and enters the inside of the movable pipe body 25; further, the water pipe can be provided with a bamboo joint water pipe, which is a commonly used water pipe connecting part in the water pipe field that can realize bending and stretching function, and the specific structure and principle thereof will not be further described here.
[0031] The rotating driving device 3 is provided with two, which are connected with and drive the two spraying arms 21 to rotate upward or downward, and comprises a mounting seat 31 provided on the mobile machine box 1, a driving motor 32 provided on the mobile machine box 1 and connected with and driving the spraying arm 21 to rotate upward or downward, and a transmission assembly 33 provided between the spraying arm 21 and the driving motor 32, the spraying arm 21 is rotatably connected with the mounting seat 31 through a rotating shaft; the driving motor 32 drives the rotating shaft to rotate through the transmission assembly 33, and in turn drives the spraying arm 21 to rotate downward or upward to make the spraying arm 21 relative to the corridor wall or the corridor floor; specifically, the transmission assembly 33 comprises a first gear 34 provided on the output shaft of the driving motor 32 and a second gear 35 rotatably engaged with the first gear 34 and provided at one end of the rotating shaft; further, the rotating driving device 3 further comprises a positioning assembly 36 provided between the mobile machine box 1 and the spraying arm 21, the positioning assembly 36 comprises a magnet 37 provided on the side of the spraying arm 21 relative to the mobile machine box 1 and a magnetic attraction block 38 provided on the mobile machine box 1 and used for attracting the magnet, when the spraying arm 21 rotates upward to the side of the mobile machine box 1, the magnet 37 cooperates with the magnetic attraction block 38, so that the spraying arm 21 is stably positioned on the side of the mobile machine box 1, and the spraying arm 21 can be prevented from shaking in the process of walking and disinfecting the corridor wall.
[0032] The control device 4 comprises an induction assembly 41 provided on the disinfectant spraying device 2 and a controller connected with the induction assembly 41, the pushing assembly 23 and the rotating driving device 3, when the induction assembly 41 senses an obstacle, the pushing assembly 23 moves the nozzle assembly 22 to the direction close to the mounting cavity 24 after receiving the signal fed back by the controller; specifically, the induction assembly 41 comprises three distance sensors 42 provided on the front end of the mobile pipe body 25 and the peripheral surface of the end portion at intervals, which are used for sensing the obstacles in front, back and side directions respectively, so that the nozzle assembly 22 moves to the direction close to the mounting cavity 24 and timely moves away from the obstacles to avoid collision; further, the control device 4 further comprises a control panel wirelessly connected with the controller and provided for the medical staff to remotely control and a camera 43 provided on the mobile machine box 1 and connected with the controller and provided for the medical staff to observe the ward condition; further, the control panel is a remote control device with a touch screen commonly used in the prior art, and an intelligent device such as a computer or a mobile phone which can be wirelessly connected with the controller can be selected, when in use, the medical staff can input control instructions through the touch screen of the intelligent device; the specific operation and working principle of the wireless connection between the intelligent device and the controller are prior art, and will not be further described here; further, the controller can adopt a single-chip microcomputer or other controllers which can realize the limiting effect, and the specific model selection and working principle of the controller will not be further described here.
[0033] The specific working process of the present application is as follows:
[0034] When not in use, the two spraying arms 21 are fixed on both sides of the mobile case 1; when the floor and wall need to be disinfected, first move the mobile case 1 to the wall on one side of the corridor, so that the nozzle assembly 22 of one spraying arm 21 is close to and opposite to the wall, then control the drive motor 32 of the other rotating drive device 3 to start, so that the first gear 34 on the drive motor 32 is in meshing rotation with the opposite second gear 35, thereby driving the corresponding spraying arm 21 to rotate downward and its nozzle assembly 22 is opposite to the floor of the corridor, achieving the purpose of disinfecting the floor of the corridor on one side while disinfecting the wall of the corridor, improving the disinfection efficiency of the automatic killing robot; and after the automatic killing robot disinfects the walls on both sides of the corridor and the floor near the walls, the mobile case 1 can be moved to the middle of the corridor, and then the corresponding rotating drive device 3 is controlled to start by the control device 4, the spraying arm 21 opposite to the wall of the corridor is driven to rotate downward, so that the two nozzle assemblies 22 of the two spraying arms 21 are opposite to the floor of the corridor, thereby disinfecting the middle position of the floor of the corridor, reducing the disinfection dead angle, achieving full coverage of the corridor, and meeting the needs of medical staff for disinfecting the corridor in all directions; after disinfection is completed, the two drive motors 32 of the two rotating drive devices 3 are controlled to start, the disinfectant spraying device 2 is improved, the two spraying arms 21 can be driven to rotate upward to the two sides of the mobile case 1, reducing the floor area of the automatic killing robot, and facilitating movement and storage.
[0035] In summary, by means of the above technical scheme of the utility model, by limiting the specific structure of the automatic killing robot, the purpose of disinfecting the floor of the corridor on one side while disinfecting the wall of the corridor is achieved, and the disinfection efficiency of the automatic killing robot is improved; at the same time, the middle position of the floor of the corridor can be disinfected, the disinfection dead angle is reduced, full coverage of the corridor is achieved, and the needs of medical staff for disinfecting the corridor in all directions are met; in addition, by pushing the nozzle assembly 22 out of the spraying arm 21 through the pushing assembly 23, the nozzle assembly 22 can spray disinfectant on the wall and the floor farther away from the mobile case 1, thereby expanding the spraying range of the nozzle assembly 22 and improving the disinfection coverage of the disinfectant spraying device 2, which can be applied to corridors of different widths and heights, improving the practicality of the automatic killing robot; in addition, by providing the sensing assembly 41 on the disinfectant spraying device 2, the nozzle assembly 22 can be prevented from colliding with obstacles, and the service life of the disinfectant spraying device 2 is improved; in addition, by providing the positioning assembly 36 between the mobile case 1 and the spraying arm 21, the spraying arm 21 is stably positioned on the side of the mobile case 1, which can prevent the spraying arm 21 from shaking during disinfection of the wall of the corridor, and improve the stability of the disinfectant spraying device 2; in addition, by providing the two ultraviolet lamps 15 opposite to the mobile case 1, when disinfecting at night, the corridor is empty, the two ultraviolet lamps 15 can be turned on for disinfection, and the two ultraviolet lamps 15 work together with the bottom spraying pipe 12 and the disinfectant spraying device 2 to achieve more thorough disinfection.
[0036] The above merely describes preferred embodiments of the present application, and therefore cannot limit the scope of the present application, i.e. equivalent changes and modifications made according to the scope of the present application and the content of the specification shall still belong to the scope covered by the present application.
Claims
1. An automated disinfection robot, which can be used to disinfect long corridors at night, characterized in that: The system includes a mobile housing, disinfectant spraying devices, a rotary drive device, and a control device. The mobile housing includes a water tank for holding disinfectant solution inside, a bottom spray pipe connected to the water tank at the bottom of the housing for spraying the floor, and a walking mechanism at the bottom. Two disinfectant spraying devices are provided, positioned opposite each other on the mobile housing and connected to the water tank. Each device includes a spraying arm rotatably mounted on the housing, a nozzle assembly movably mounted on the spraying arm, and a pushing assembly between the spraying arm and the nozzle assembly. Two rotary drive devices are provided, each connected to one of the two spraying arms and driving the two spraying arms to rotate upwards or downwards. The control device includes a sensing component on the disinfectant spraying device and a controller connected to the sensing component, the pushing assembly, and the rotary drive device. When the sensing component detects an obstacle, the pushing assembly, upon receiving a signal from the controller, can move the nozzle assembly closer to the mounting cavity.
2. The automatic disinfection robot according to claim 1, characterized in that: The spray arm has a mounting cavity for mounting the nozzle assembly, and the pushing component is disposed on the spray arm and connected to drive the nozzle assembly to move back and forth within the mounting cavity.
3. The automatic disinfection robot according to claim 2, characterized in that: The nozzle assembly includes a movable tube body movably disposed within the mounting cavity, a spray pipe body disposed at the bottom of the movable tube body and connected to a water tank, and multiple nozzles spaced along the length of the spray pipe body that can be positioned opposite a floor or wall. The spray pipe body is provided with a water inlet hole, which is connected to the water tank via a water pipe, which can enter the movable tube body. The bottom surface of the spray arm has a clearance hole that communicates with the mounting cavity and allows the spray pipe body to extend.
4. The automatic disinfection robot according to claim 3, characterized in that: The pushing assembly includes a connecting seat disposed on the top surface of the movable tube and a movable electric push rod disposed at one end of the top surface of the spray arm and connected to the connecting seat. The top surface of the spray arm has a sliding groove for the connecting seat to move back and forth.
5. An automatic disinfection robot according to claim 3, characterized in that: The sensing component includes three distance sensors that are spaced apart along the end circumference of the front end of the moving tube, respectively, for sensing obstacles in front, behind and to the side.
6. An automatic disinfection robot according to claim 2, characterized in that: The rotary drive device includes a mounting base on a mobile chassis, a drive motor on the mobile chassis that connects to and drives the spraying arm to rotate up or down, and a transmission assembly between the spraying arm and the drive motor. The spraying arm is rotatably connected to the mounting base via a rotating shaft.
7. An automatic disinfection robot according to claim 6, characterized in that: The transmission assembly includes a first gear mounted on the output shaft of the drive motor and a second gear mounted at one end of the shaft and rotatably meshing with the first gear.
8. An automatic disinfection robot according to claim 6, characterized in that: The rotary drive device also includes a positioning component disposed between the mobile housing and the spraying arm. The positioning component includes a magnet disposed on the side of the spraying arm opposite to the mobile housing and a magnetic block disposed on the mobile housing for attracting the magnet. When the spraying arm rotates upward to the side of the mobile housing, the magnet and the magnetic block cooperate to make the spraying arm stably positioned on the side of the mobile housing.
9. An automatic disinfection robot according to claim 1, characterized in that: The mobile chassis also includes two ultraviolet lamps arranged opposite each other on the mobile chassis, and the water tank is provided with a water inlet.
10. An automatic disinfection robot according to claim 1, characterized in that: The control device also includes a control panel that is wirelessly connected to the controller for remote control by medical staff, and a camera mounted on a mobile chassis and connected to the controller for medical staff to observe the ward situation.