Automatic floor-disinfection robot for hospital rooms

1. An automatic floor-disinfection robot for hospital rooms, comprising:

a moving device; and

a disinfection device;

wherein the disinfection device is arranged on the moving device;

the moving device comprises a chassis moving mechanism, a support plate and a top plate arranged successively from bottom to top; a bottom wall of the chassis moving mechanism is provided with a driving device and a wheel; the wheel is in transmission connection with the driving device; a control panel is arranged on the top plate; a battery, an electric control board and a control system are arranged inside the top plate; and the control system is arranged on the electric control board;

the disinfection device comprises a disinfection assembly and a baffle;

the disinfection assembly comprises a liquid supply mechanism, four liquid spray mechanisms and a fan; the liquid supply mechanism is arranged on the moving device; the four liquid spray mechanisms are arranged below the liquid supply mechanism; and the fan is arranged at a bottom center of the moving device;

the baffle is configured to prevent the four liquid spray mechanisms from spraying a disinfectant onto an obstacle; the baffle is arranged on a periphery of the moving device; the baffle has an arc-shaped structure, and is rotatable along the periphery of the moving device; the baffle and the top plate are arranged coaxially; the top plate is connected to the support plate through a support column; the support column is provided with a first boss; a sleeve is pivotally connected to the first boss; the baffle is fixedly connected to the sleeve through a connecting rod; a ring gear is fixedly sleeved on the sleeve; a driving gear is provided at a side of the ring gear, and is engaged with the ring gear; a rotating motor is fixedly arranged inside the top plate; the rotating motor is configured to drive the driving gear to rotate; and the rotating motor is electrically connected to the control system; and

the four liquid spray mechanisms are evenly and circumferentially arranged at the chassis moving mechanism; the four liquid spray mechanisms consist of a first liquid spray mechanism, a second liquid spray mechanism, a third liquid spray mechanism and a fourth liquid spray mechanism; the first liquid spray mechanism is capable of moving horizontally; a periphery of the chassis moving mechanism is formed by straight edges; the first liquid spray mechanism is arranged on a sliding plate; an edge of the chassis moving mechanism corresponding to the first liquid spray mechanism is provided with a linear actuator; the linear actuator is configured to drive the sliding plate to move horizontally along the edge corresponding to the first liquid spray mechanism; the chassis moving mechanism is further provided with an elongated hole; and the elongated hole does not hinder horizontal motion of the first liquid spray mechanism.

2. The automatic floor-disinfection robot of claim 1 , wherein a peripheral side wall of the baffle is provided with a cushion; a bottom of the baffle is provided with a brush; and the brush is in contact with a floor to be disinfected; and

the automatic floor-disinfection robot further comprises an omnidirectional camera and an alarm; the omnidirectional camera and the alarm are arranged above the top plate; and the omnidirectional camera and the alarm are electrically connected to the control system.

3. The automatic floor-disinfection robot of claim 1 , wherein the liquid supply mechanism comprises a liquid storage vessel; a middle part of the liquid storage vessel is provided with a connecting hole; the liquid storage vessel is sleeved on the support column through the connection hole; the liquid storage vessel is also provided with a feeding port; a top of the feeding port penetrates upward a top surface of the top plate; a cover is arranged on the feeding port; a bottom of the liquid storage vessel is provided with at least one discharge port; and the at least one discharge port is communicated with the four liquid spray mechanisms.

4. The automatic floor-disinfection robot of claim 3 , wherein the number of the at least one discharge port is four; four discharge ports are communicated with the four liquid spray mechanisms in one-to-one correspondence; and the chassis moving mechanism is fixedly connected to the support plate through four upright columns.

5. The automatic floor-disinfection robot of claim 3 , wherein each of the four liquid spray mechanisms comprises a spray pipe, a ball bearing, a hose and a solenoid valve; the ball bearing is provided on the chassis moving mechanism; an inner ring of the ball bearing is fixedly sleeved on an outer circumference of the spray pipe; a top end of the spray pipe is connected to the discharge port through the hose; the solenoid valve is arranged at a connection between the discharge port and the hose; the solenoid valve is electrically connected to the control system; and a locking ring is arranged at a connection between the hose and the spray pipe for fixing.

6. The automatic floor-disinfection robot of claim 5 , wherein a bottom end of the spray pipe is provided with a second boss; four sweeping brushes are fixedly connected to the second boss; a brush end of each of the four sweeping brush is in contact with a floor to be disinfected; and the four sweeping brushes are evenly arranged around the fan.

7. The automatic floor-disinfection robot of claim 5 , wherein a circumferential wall of a lower portion of the spray pipe is provided with a plurality of spray ports; the chassis moving mechanism is provided with a frame corresponding to the spray pipe; a driving motor is arranged on the frame; the driving motor is electrically connected to the control system; an output end of the driving motor is connected to an upper portion of the spray pipe through a synchronous belt; and the driving motor is configured to drive the spray pipe to rotate around the ball bearing.

8. The automatic floor-disinfection robot of claim 5 , wherein a covering plate is sleevedly provided on the spray pipe; an umbrella-shaped opening is arranged in the covering plate to cover a lower portion of the spray pipe; and the spray pipe is centrally located below the covering plate.

9. The automatic floor-disinfection robot of claim 1 , wherein the linear actuator comprises a rectangular frame and a threaded shaft; the rectangular frame is connected to a side wall of the chassis moving mechanism; the threaded shaft is penetratedly arranged in the rectangular frame; two ends of the threaded shaft are pivotally connected to two side walls of the rectangular frame, respectively; an outer side wall of the rectangular frame is provided with a micro motor; an output shaft of the micro motor is fixedly connected to the threaded shaft; the micro motor is electrically connected to the control system; the micro motor is configured to drive the threaded shaft to rotate; an outer side of the sliding plate is fixedly connected to a thread bushing; the thread bushing is embedded in the rectangular frame; the threaded shaft is penetratedly arranged in the thread bushing, and is threadedly connected to the thread bushing; and the threaded shaft is configured to rotate to drive the sliding plate and the liquid spray mechanism arranged on the sliding plate to move laterally along the elongated hole.