Electric sprayer

Abstract

This patent provides an electric sprayer with good atomization effect, which can make the liquid medicine dispersed in the air. It includes a liquid medicine tank, a handle, a fan, a liquid medicine pump, and a nozzle. The handle has an air duct, and the nozzle and the fan are both arranged in the air duct of the handle. The liquid medicine pump pumps the liquid medicine in the liquid medicine tank to the nozzle, and the wind generated by the fan enters the nozzle through the air duct to atomize the liquid medicine and then sprays it from the front end of the air duct; the controller is electrically connected with the liquid medicine pump and the fan.

Description

Technical Field

[0001] This patent relates to a sprayer. Background Art

[0002] In the existing spray machine, the nozzle is fixed on the spray handle or the spray rod, and the fan is set on the machine base far away from the nozzle. The fan blows air to the nozzle through a long air duct. The fan passes through the long air duct, and the pressure is relatively high, which makes it difficult to effectively atomize the liquid medicine entering the nozzle from the liquid medicine tank. The liquid medicine sprayed from the nozzle is generally large millimeter-level particles, which cannot form mist and disperse in the air, affecting the effect of spraying. Summary of the invention

[0003] The purpose of this patent is to provide an electric sprayer with good atomization effect, which can disperse the liquid medicine in the air.

[0004] In order to achieve the above purpose, this patent adopts the following technical solutions:

[0005] An electric sprayer comprises a liquid medicine tank, a handle, a fan, a liquid medicine pump and a nozzle. The handle is provided with an air duct, and the nozzle and the fan are both arranged in the air duct of the handle. The liquid medicine pump pumps the liquid medicine in the liquid medicine tank to the nozzle. The wind generated by the fan enters the nozzle through the air duct to atomize the liquid medicine and then sprays it out from the front end of the air duct.

[0006] In the electric sprayer, the liquid medicine pump is an adjustable liquid medicine flow pump, and the controller is electrically connected to the liquid medicine pump to adjust the liquid medicine flow rate.

[0007] In the above-mentioned electric sprayer, the fan is a fan with adjustable air volume, and the controller is electrically connected to the fan to adjust its air volume.

[0008] The electric sprayer also includes a turntable, on which the liquid medicine tank and the liquid medicine pump are fixed. A swing driving device for driving the handle seat to swing up and down is arranged between the turntable and the handle seat located on the side of the turntable, and a connecting mechanism connected to the handle is arranged on the handle seat.

[0009] The electric sprayer further comprises a base, wherein a rotation driving device capable of driving the turntable to rotate relative to the base is arranged between the base and the turntable; and the swing axis of the handle seat is perpendicular to the rotation axis of the turntable.

[0010] In the electric sprayer, the swing drive device and the rotation drive device are both electric drive devices, and are both electrically connected to the controller, and the controller controls the actions of the swing drive device and the rotation drive device.

[0011] The above-mentioned electric sprayer also includes a distance sensor for measuring the distance between the electric sprayer and the wall panel surrounding the sprayed space, and the distance sensor is electrically connected to the controller; the controller has a spray volume calculation module, and the spray volume calculation module calculates the area of ​​the sprayed space according to the distance measured by the distance sensor during one rotation of the turntable, and then calculates the total amount of liquid medicine to be sprayed according to the unit area application rate; the controller controls the swing drive device, the rotation drive device, the fan, and the liquid medicine pump to work, so that the handle seat and the handle swing up and down while the turntable rotates one or more circles to complete the spraying operation of the sprayed space.

[0012] The controller of the electric sprayer has a time calculation module, which counts the working time of each spraying when the fan and the liquid medicine pump work simultaneously to spray, and accumulates the working time of multiple spraying.

[0013] The electric sprayer mentioned above also includes a remote controller and a display screen. The display screen is arranged on the handle and is electrically connected to the controller. The remote controller communicates wirelessly with the controller, and the sprayer is remotely operated to perform operations through the remote controller.

[0014] In the above-mentioned electric sprayer, the connection mechanism between the handle base and the handle is a detachable connection mechanism.

[0015] Beneficial effects of this patent: This patent sets the fan on the handle, and the distance between the fan and the nozzle is very small. The wind generated by the fan enters the nozzle with basically no pressure loss and flow loss, and effectively atomizes the liquid medicine entering the nozzle. The liquid medicine can be atomized into micron-level droplets and sprayed out. At the same time, this patent uses a liquid medicine pump to transport the liquid medicine to the nozzle, rather than introducing the liquid medicine by forming a negative pressure through the flow direction of the wind at the nozzle, so the atomization effect is better. The controller is electrically connected to the liquid medicine pump and the fan to control the liquid medicine pump and the fan.

[0016] In order to adjust the liquid medicine flow rate, the fan air volume and the air pressure, a controller is electrically connected to a liquid medicine pump with adjustable liquid medicine flow rate and a fan with adjustable air volume.

[0017] The handle seat, the handle, the nozzle on the handle, etc. are driven to swing up and down by the swing driving device, so that the spraying operation can be performed without manually holding the handle, thereby improving the automation level.

[0018] By driving the turntable, handle seat, handle, spray head, etc. to rotate relative to the base through the rotation drive device, and then cooperating with the up and down swing of the handle, basically an automatic spraying of an operating area can be completed without manual operation, which is particularly suitable for the application of toxic drugs, especially the spraying of a closed operating area, for example, the spraying of a closed spraying space surrounded by wall panels, top plates, bottom plates, etc. At this time, when performing the spraying operation, the base of the electric sprayer is placed on the bottom plate of the spraying space, and the rotation drive device drives the turntable, etc. to rotate around the vertical turntable rotation axis for one or more cycles, and the handle swings up and down around the horizontal handle seat swing axis, so as to complete the spraying of the spraying space. Of course, in order to control the rotation of the turntable and the swing of the handle seat, the swing drive device and the rotation drive device are both electric drive devices, and the controller is electrically connected to the swing drive device and the rotation drive device, and can control the number of rotations of the turntable, the rotation speed, the swing amplitude of the handle seat, the swing speed, etc.

[0019] In order to further improve the degree of automation and the accuracy of the amount of medicine applied, this patent also uses a distance sensor. The distance sensor transmits the distance information between the wall panels surrounding the sprayed space to the controller when the turntable rotates one circle. The controller calculates the area of ​​the sprayed space and calculates the total amount of liquid medicine that needs to be sprayed in the sprayed space based on the amount of medicine applied per unit area. The controller controls the swing drive device, the rotation drive device, the fan, and the liquid medicine pump to work, so that the handle seat and the handle swing up and down while the turntable rotates one or more circles to complete the spraying operation of the sprayed space. During the spraying operation, the liquid medicine flow rate of the liquid medicine pump is basically stable, so that the amount of medicine applied per unit area of ​​the sprayed space is basically uniform.

[0020] The controller can also have the functions of timing each spraying working time and accumulating multiple spraying working times.

[0021] The controller can also be connected to a display screen to display parameters such as the liquid flow rate of the liquid pump, the air volume of the fan, the working time of each spray, the cumulative working time of the spray, the remaining liquid volume in the liquid tank, etc.

[0022] Of course, the display may be a touch screen, through which the relevant control parameters in the controller may be modified to adjust the liquid flow rate of the liquid pump, the air volume of the fan, the rotation speed of the turntable, the swing speed of the handle seat, etc.

[0023] The controller can also pre-store a variety of commonly used and representative spray operation programs. The operator can select different pre-stored spray operation programs with one key through input devices such as touch screens to perform spray operations, making the operation faster and more convenient.

[0024] The controller can also have a scheduled or delayed spray function, so that the operator has enough time to completely leave the sprayed space before the sprayer starts spraying. The controller can also communicate wirelessly with the remote control. Through the remote control, the operator can remotely operate the sprayer to perform operations.

[0025] Scheduled or delayed spraying, or remote control spraying, is particularly suitable for the spraying of liquid medicines with toxic side effects.

[0026] In order to enable the handle to be held for manual spraying, the connection mechanism between the handle base and the handle is a detachable connection mechanism.

[0027] Swing drive device, rotation drive device etc. belong to the prior art, and there are various. For the convenience of control, swing drive device, rotation drive device are all electric drive devices, such as direct drive motor etc.

[0028] The detachable connection mechanism is a prior art, for example, a detachable connection mechanism with a hole and a pin, in which two positioning pins can be arranged on the handle seat, and two positioning holes that cooperate with the positioning pins can be arranged on the handle.

[0029] Distance sensors belong to the existing technology, such as infrared distance sensors, ultrasonic distance sensors and the like. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 is a schematic diagram of Example 1;

[0031] Figure 2 is a schematic diagram of Example 2;

[0032] Figure 3 This is a diagram of the handle.

[0033] Machine base 1, liquid medicine tank 2, liquid medicine pump 3, controller 4, battery 5, handle 6, nozzle 7, fan 8, distance sensor 9, touch screen 10, turntable 11, base 12, handle base 13, swing drive device 14, detachable connecting mechanism 15, rotation drive device 16, support roller 17. DETAILED DESCRIPTION

[0034] Embodiment 1:

[0035] See also Figure 1 The electric sprayer shown includes a base 1, a liquid medicine tank 2, a liquid medicine pump 3 with adjustable liquid medicine flow, a controller 4, a battery 5, a handle 6, a spray head 7, a fan 8 with adjustable air volume, a distance sensor 9, and a touch screen 10.

[0036] The liquid medicine tank 2, liquid medicine pump 3, controller 4, and battery 5 are all arranged on the base 1. Figure 1 , 3The handle 6 has an air duct, the nozzle 7 is arranged at the front of the air duct, the fan 8 is arranged at the rear of the air duct, a touch screen 10 is arranged on the side of the handle 6, and a distance sensor 9 is arranged on the side of the front end of the handle 6.

[0037] The controller 4 is electrically connected to the liquid medicine pump 3, the fan 8, the distance sensor 9, and the touch screen 10. The battery 5 supplies power to the controller 4, the liquid medicine pump 3, the fan 8, and the like.

[0038] The two ends of the liquid medicine pump 3 are respectively connected to the bottom of the liquid medicine tank 2 and the liquid inlet of the spray head 7 through the liquid medicine pipe. The liquid medicine pipe connected between the liquid medicine pump 3 and the spray head 7 is a flexible liquid medicine pipe.

[0039] The wind generated by the fan enters the nozzle through the air duct to atomize the liquid medicine into 5-30 μm droplets and then sprays out from the front end of the air duct. The nozzle can adopt the two-stage reverse cyclone atomizing nozzle disclosed in CN2014100411969.

[0040] Embodiment 2:

[0041] See also Figure 2 Compared with the first embodiment, it has a turntable 11, a base 12, a handle seat 13, a swing drive device 14, a detachable connecting mechanism 15, a rotation drive device 16, and a supporting roller 17.

[0042] See also Figure 2 , 3 The machine base 1 is fixed on a turntable 11, and a swing driving device 14 for driving the handle base to swing up and down around a horizontal axis is arranged between the machine base and a handle base 13 located on the side of the machine base. A detachable connecting mechanism 15 detachably connected to the handle is arranged on the handle base.

[0043] A rotation driving device 16 is arranged between the base and the turntable, which can drive the turntable to rotate around a vertical axis relative to the base. A plurality of supporting rollers 17 are arranged around the turntable, which can roll relative to the base.

[0044] The swing drive device and the rotation drive device are both electric drive devices, and are both electrically connected to the controller.

[0045] The controller has a spray volume calculation module, which calculates the area of ​​the sprayed space according to the distance measured by the distance sensor during one rotation of the turntable, and then calculates the total amount of liquid medicine to be sprayed according to the dosage per unit area; the controller controls the swing drive device, the rotation drive device, the fan, and the liquid medicine pump to make the handle seat and the handle swing up and down while the turntable rotates one or more times to complete the spraying operation of the sprayed space. During the spraying operation, the liquid medicine flow rate of the liquid medicine pump is basically stable.

[0046] The relevant control parameters in the controller can be modified through the touch screen to adjust the liquid flow rate of the liquid pump, the air volume of the fan, the rotation speed of the turntable, the swing speed of the handle seat, etc.

[0047] The controller has a time calculation module, which counts the working time of each spraying when the fan and the liquid medicine pump work simultaneously to spray, and accumulates the working time of multiple spraying.

[0048] The control parameters, each spraying working time, the accumulated spraying working time, the remaining liquid amount in the liquid tank and other parameters can be displayed on the touch screen.

Claims

1. An electric sprayer, comprising a liquid medicine tank, a handle, a blower, a liquid medicine pump, and a spray head, characterized in that: The handle has an air duct, and the nozzle and the fan are both arranged in the air duct of the handle. The liquid medicine pump pumps the liquid medicine in the liquid medicine tank to the nozzle. The wind generated by the fan enters the nozzle through the air duct to atomize the liquid medicine and then sprays it out from the front end of the air duct. It also includes a turntable, a base, a remote control and a display screen. The liquid medicine tank and the liquid medicine pump are fixed on the turntable. A swing driving device for driving the handle seat to swing up and down is arranged between the turntable and the handle seat located on the side of the turntable. A connecting mechanism connected to the handle is arranged on the handle seat. A rotation driving device capable of driving the turntable to rotate relative to the base is arranged between the base and the turntable; the swing axis of the handle seat is perpendicular to the rotation axis of the turntable; The swing drive device and the rotation drive device are both electric drive devices, and are both electrically connected to the controller, and the controller controls the actions of the swing drive device and the rotation drive device; The remote controller communicates wirelessly with the controller, and the sprayer is remotely operated through the remote controller to perform operations; The electric sprayer also includes a distance sensor for measuring the distance between the electric sprayer and a wall plate surrounding the sprayed space, and the distance sensor is electrically connected to the controller; the controller includes a spray volume calculation module, and the spray volume calculation module calculates the area of ​​the sprayed space according to the distance measured by the distance sensor during one rotation of the turntable, and then calculates the total amount of liquid medicine to be sprayed according to the unit area application amount; the controller controls the swing drive device, the rotation drive device, the fan, and the liquid medicine pump to work, so that the handle seat and the handle swing up and down, and the turntable rotates one or more circles to complete the spraying operation of the sprayed space; The display screen is arranged on the handle and is electrically connected to the controller. The display screen displays the liquid flow rate of the liquid pump, the air volume of the fan, the working time of each spray, the cumulative working time of the spray, and the remaining liquid volume in the liquid tank; the display is a touch screen, and the relevant control parameters in the controller are modified through the touch screen to adjust the liquid flow rate of the liquid pump, the air volume of the fan, the rotation speed of the turntable, and the swing speed of the handle seat.

2. The electric sprayer according to claim 1, characterized in that: The liquid medicine pump is a liquid medicine pump with adjustable liquid medicine flow rate, and the controller is electrically connected to the liquid medicine pump to adjust the liquid medicine flow rate.

3. The electric sprayer according to claim 1, characterized in that: The fan is a fan with adjustable air volume, and the controller is electrically connected to the fan to adjust its air volume.

4. The electric sprayer according to claim 1, characterized in that: The controller has a time calculation module, which counts the working time of each spraying when the fan and the liquid medicine pump work simultaneously to spray, and accumulates the working time of multiple spraying.

5. The electric sprayer according to claim 1, characterized in that: The connection mechanism between the handle seat and the handle is a detachable connection mechanism.

Images