CN116999595A

CN116999595A - Novel disinfection robot

Info

Publication number: CN116999595A
Application number: CN202210459893.0A
Authority: CN
Inventors: 杨帆; 陈志华; 龙毅; 符明; 梁勇军; 谢周园
Original assignee: Zhejiang Qingyue Technology Co ltd
Current assignee: Zhejiang Qingyue Technology Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2023-11-07

Abstract

The application provides a novel disinfection robot, which comprises a robot body, and a liquid storage module, a reaction module and an atomization module which are arranged in the robot body, wherein electrolyte in the liquid storage module is electrolyzed into hydrogen peroxide disinfectant through the reaction module, the prepared hydrogen peroxide disinfectant is atomized into water mist through the atomization module and then blown out from a mist outlet duct, and the disinfection robot can move in a large range through a movable robot chassis so as to achieve the aim of disinfecting a large range of public environment.

Description

Novel disinfection robot

Technical Field

The application belongs to the technical field of disinfection equipment, and particularly relates to a novel disinfection robot.

Background

The standard of the disinfection work in the public health field in China is gradually strict, and the normal development of the disinfection work is carried out by manpower, which is time-consuming and labor-consuming, and increases the risk of infection of staff. To free up labor, reduce personnel contact, a variety of sterilization robots have been invented recently. Wherein, most robots belong to spray type robots, in order to achieve large-area disinfection and high disinfection efficiency, high-concentration disinfectants are sprayed on a large scale to achieve the disinfection and sterilization effects, special people are required to be responsible for supplementing disinfectant.

As the conventional disinfectant has certain corrosive components and strong pungent odor, the odor-sensitive people can be damaged on the ground which is not corrosion-resistant. After disinfection, disinfectant environment residues exist, and secondary pollution to the environment can be caused. The hydrogen peroxide disinfectant is an ideal disinfectant liquid, is colorless and odorless, has no residue after disinfection, is easily decomposed into oxygen and water in the environment, and is a safe and reliable environment-friendly disinfectant.

However, the existing hydrogen peroxide disinfectant is still produced industrially, wherein the mode of producing hydrogen peroxide industrially is mainly an electrolytic method or an anthraquinone method. Both production modes need huge production equipment and a large amount of power supply, and have the characteristics of high preparation cost, large-scale required equipment, centralization and the like. On the other hand, the high-concentration hydrogen peroxide solution produced by the method is unstable, can be automatically decomposed into water and oxygen at normal temperature, has safety risks in transportation and storage, and increases corresponding cost.

Disclosure of Invention

The application provides a novel disinfection robot, which aims to solve the technical problems of disinfection solution addition, damage to human body caused by disinfection solution, environmental residue and the like, and can effectively solve the problem of artificial addition of disinfection solution by utilizing the consumable-free characteristic to generate hydrogen peroxide, thereby realizing real-time generation of hydrogen peroxide disinfection solution and atomization of the hydrogen peroxide disinfection solution to disinfect the environment in real time.

The application adopts the following technical scheme:

the utility model provides a novel disinfection robot, includes the robot body, the robot body bottom is equipped with the removal chassis that is used for removing, upper portion are equipped with out the fog wind channel, still including locating stock solution module, reaction module and the atomizing module in the robot body, the stock solution module is used for holding discharge solution, reaction module be used for with the electrolyte electrolysis in the stock solution module makes hydrogen peroxide antiseptic solution, the atomizing module be used for with follow after the hydrogen peroxide antiseptic solution atomizing that reaction module made becomes water smoke go out the fog wind channel and derive.

The novel disinfection robot comprises the atomization box for containing the hydrogen peroxide disinfectant, an atomization device for atomizing the hydrogen peroxide disinfectant into water mist is arranged in the atomization box, and a fan mechanism for blowing air downwards into the atomization box to enable the air mist to be blown out along the mist outlet air duct is arranged above the atomization box.

According to the novel disinfection robot, the atomization device is located right below the mist outlet air duct, and the blower mechanism is arranged on the left side and the right side of the mist outlet air duct.

The novel disinfection robot comprises the fan arranged on the upper side of the atomization box and the air inlet air channel for introducing air flow, wherein the air inlet of the fan is communicated with the air inlet air channel, the air outlet of the fan faces the atomization box, and the opening of the air inlet end of the air inlet air channel faces downwards.

The novel disinfection robot is characterized in that the atomization box is positioned on the upper side of the liquid storage module, and the atomization box is provided with a disinfection liquid inlet which is communicated with the reaction module and used for adding hydrogen peroxide disinfectant and a disinfection liquid overflow port for discharging the hydrogen peroxide disinfectant, and the height of the disinfection liquid inlet is higher than that of the disinfection liquid overflow port.

The novel disinfection robot comprises a module shell, and a liquid supply device, a reaction device and a circuit control module which are arranged in the module shell, wherein a liquid inlet and a liquid outlet are formed in the module shell, the liquid supply device is used for conveying electrolyte in the liquid storage module to the reaction device from the liquid inlet, the reaction device is used for discharging the electrolyte conveyed by the liquid supply device after being electrolyzed into hydrogen peroxide disinfectant, and the circuit control module is connected with an external power supply and is respectively electrically connected with the liquid supply device and the reaction device.

The novel disinfection robot comprises a reaction shell, wherein one side of the reaction shell is provided with a reaction inlet communicated with the liquid supply device, the other side of the reaction shell is provided with a reaction outlet communicated with the liquid outlet, and a plurality of groups of reaction electrode groups are alternately arranged in the reaction shell at intervals between the reaction inlet and the reaction outlet.

According to the novel disinfection robot, the reaction electrode groups are sequentially and alternately arranged in the reaction shell, the inside of the reaction shell is divided into the S-shaped turbulent flow channels, and liquid entering from the reaction inlet flows to the reaction outlet along the turbulent flow channels in a bending way.

The novel disinfection robot comprises a reaction anode and a reaction cathode, wherein the reaction anode is made of inert materials, the reaction cathode is made of porous structural materials, and the surfaces of the reaction anode and the reaction cathode are respectively provided with a catalyst layer with a catalytic effect.

The novel disinfection robot is characterized in that the liquid storage module is provided with the water filling port, and the water filling port is provided with the water pumping device for adding liquid into the liquid storage module.

Compared with the prior art, the application has the following beneficial effects:

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the description of the embodiments will be briefly described below.

Fig. 1 is a schematic structural view of a novel sterilization robot according to the present application.

Fig. 2 is a schematic structural view of the atomizing module according to the present application.

FIG. 3 is a schematic structural view of the reaction module of the present application.

FIG. 4 is a graph showing the change of the concentration of an atomization outlet of a novel sterilization robot according to the present application with time.

Detailed Description

As shown in fig. 1-4, a novel disinfection robot comprises a robot body 1, wherein a mobile chassis 10 for moving is arranged at the bottom of the robot body 1, a fog outlet air duct 11 is arranged on the upper portion of the robot body, the novel disinfection robot further comprises a liquid storage module 2, a reaction module 3 and an atomization module 4 which are arranged in the robot body 1, the liquid storage module 2 is used for containing electrolyte, the reaction module 3 is used for electrolyzing electrolyte in the liquid storage module 2 to prepare hydrogen peroxide disinfectant, and the atomization module 4 is used for atomizing the hydrogen peroxide disinfectant prepared by the reaction module 3 into water fog and then guiding the water fog from the fog outlet air duct 11.

Preferably, the atomization module 4 includes the atomization box 41 used for holding the hydrogen peroxide disinfectant, be equipped with in the atomization box 41 and be used for atomizing the hydrogen peroxide disinfectant into the atomizer 42 of water smoke, be equipped with above the atomization box 41 and be used for down to blow in the air to the atomizer box 41 in order to make the aerial fog follow the fan mechanism 43 that the fog wind channel 11 blows out, the atomization module of the application includes atomization box, atomizer and fan structure, atomize the disinfectant in the atomization box into water smoke through the atomizer, fan mechanism blows in the air to the atomization box, in order to concentrate the disinfection fog to the fog wind channel blowout that goes out, the application simple structure can take the disinfectant of atomizing out the atomization box fast, realize the effect of disinfecting the environment in real time, effectively promote the atomization effect of disinfection robot.

Preferably, the atomizing device 42 is located under the mist outlet duct 11, and the blower mechanisms 43 are disposed on the left and right sides of the mist outlet duct 11, and the application adopts a double blower mechanism.

Preferably, the fan mechanism 43 includes a fan 431 disposed on the upper side of the atomization box 41 and an air inlet duct 432 for introducing air flow, an air inlet of the fan 431 is communicated with the air inlet duct 432, an air outlet of the fan 431 faces the atomization box 41, an air inlet end of the air inlet duct 432 faces downwards, an air inlet of the fan faces downwards, external liquid can be effectively prevented from being poured into the fan due to misoperation, damage to a fan assembly caused by liquid water accidentally generated in the environment is avoided, good fan working environment is ensured, water vapor can be effectively prevented from entering the fan electronic assembly, through the air outlet of the double air ducts, the air flow speed above the atomization box is increased, a negative pressure area can be formed above the atomization box, and water mist generated in the atomization box can be blown out from an outlet of the middle air outlet duct along with the air outlet direction under the action of atmospheric pressure.

Preferably, the atomizing device 42 is located at the bottom of the atomizing box 1, and the atomizing device is a ceramic atomizing sheet, and is used for converting the disinfectant into water mist and outputting the water mist, and the surface of the ceramic atomizing sheet is coated with a corrosion-resistant protective layer, so that corresponding electrochemical corrosion effects can be prevented when hydrogen peroxide is atomized, and long service life of the atomizing sterilizer is ensured while the hydrogen peroxide disinfectant is generated and atomized. The corrosion-resistant atomizing sheet is positioned under the mist outlet air duct, and can effectively prevent chemical corrosion, electrochemical corrosion, cavitation effect and the like caused by various environments while playing a role of atomizing. The corrosion-resistant principle is that a layer of protective film is coated on the surface of a traditional ultrasonic atomization sheet, the material of the protective film is not limited to a polymer film, a metal oxide film, a composite material and the like, and the continuous operation of an atomization device can be effectively ensured by using the corrosion-resistant atomization sheet, so that the service life of an atomization disinfection machine is prolonged.

Preferably, the atomization tank 41 is located at the upper side of the liquid storage module 2, and the atomization tank 41 is provided with a sterilizing liquid inlet 11 which is communicated with the reaction module 3 and used for adding hydrogen peroxide sterilizing liquid and a sterilizing liquid overflow port 12 used for discharging the hydrogen peroxide sterilizing liquid, the sterilizing liquid is continuously added into the atomization tank through the sterilizing liquid inlet, and the redundant sterilizing liquid flows out through the sterilizing liquid overflow port, so that the sterilizing liquid level in the atomization tank is kept unchanged at a certain position, the consumed hydrogen peroxide sterilizing liquid can be timely replenished while the real-time atomization is performed, the height of the sterilizing liquid inlet 11 is higher than that of the sterilizing liquid overflow port 12, and the design can enable the water level in the atomization tank to be kept lower than that of the sterilizing liquid inlet, so that the phenomenon that the sterilizing liquid flows back from the sterilizing liquid inlet when the operation is stopped can be prevented, and the product use is affected.

Preferably, the reaction module 3 includes a module housing 31, and a liquid supply device 32, a reaction device 33 and a circuit control module 34 disposed in the module housing 31, where the module housing 31 is provided with a liquid inlet 311 and a liquid outlet 312, the liquid supply device 32 is used to convey electrolyte in the liquid storage module 2 from the liquid inlet 311 to the reaction device 33, the reaction device 33 is used to electrolyze the electrolyte conveyed by the liquid supply device 32 into hydrogen peroxide disinfectant and then discharge the hydrogen peroxide disinfectant from the liquid outlet 312, the circuit control module 34 is connected to an external power source and is electrically connected with the liquid supply device 32 and the reaction device 33 respectively, after the power is on, the liquid is conveyed to the reaction device by the liquid supply device, and the reaction device electrolyzes the electrolyte into hydrogen peroxide disinfectant and then discharges the hydrogen peroxide to the disinfection liquid inlet 41 through the disinfection liquid pipeline 20.

Preferably, the reaction device 33 includes a reaction housing 331, a reaction inlet 334 connected to the liquid supply device 32 is provided on one side of the reaction housing 331, a reaction outlet 335 connected to the liquid outlet 312 is provided on the other side of the reaction housing 331, and multiple groups of reaction electrode sets 30 are alternately provided between the reaction inlet 334 and the reaction outlet 335 in the reaction housing 331 at intervals.

Preferably, the plurality of reaction electrode sets 30 are alternately disposed in the reaction housing 331 in sequence, and separate the inside of the reaction housing 331 to form an S-shaped turbulence channel 336, the liquid entering from the reaction inlet 334 flows along the turbulence channel 336 to the reaction outlet 335, and the flow path of the reaction liquid can be changed by the turbulence channel formed by the reaction electrode sets, so that the flowing time of the reaction liquid is prolonged, and the electrolysis efficiency is improved.

Preferably, the reaction electrode set 30 includes a reaction anode 332 and a reaction cathode 333, the reaction anode 332 is made of an inert material, the reaction cathode 333 is made of a material having a porous structure, the application directly converts electric energy into chemical energy, and the reaction module electrolyzes the electrolyte into hydrogen peroxide, and the reaction principle is as follows:

the reaction anode and the reaction cathode produce hydrogen peroxide by a two-electron oxygen reduction reaction (OxygenReductionReaction, ORR), where the reaction takes place as follows:

O ₂ +2(H ⁺ +e ^- )→H ₂ O ₂ ；

at the reaction anode, an electrolytic reaction of water occurs, which is as follows:

H ₂ O→0.5O ₂ +2(H ⁺ +e ^- )；

the total reaction for generating hydrogen peroxide in the flow-type hydrogen peroxide electrochemical reaction device is as follows:

H ₂ +0.5O ₂ →H ₂ O ₂ 。

in the reaction process, the reaction module ensures the continuous generation of the hydrogen peroxide disinfectant after being electrified, realizes the real-time generation of real-time disinfection and improves the overall concentration of the hydrogen peroxide for sterilization.

Preferably, the reaction anode is a platinum, palladium, ruthenium, rhodium, iridium, osmium, gold, boron-doped diamond film or a glassy carbon electrode; the reaction cathode is a foam nickel plate, a porous graphite plate, a sintered titanium plate, an activated carbon felt or carbon paper.

Preferably, the surfaces of the reaction anode and the reaction cathode are respectively provided with a catalyst layer with a catalytic effect, the surface of the reaction anode is coated or deposited with a water Oxidation (OER) catalyst, and the water Oxidation (OER) catalyst can be NiCoOx, coFeOx, irOx/SrIrO ₃ 、IrO ₂ 、RuO ₂ One of FeCoW, niOx, niFeOx or solid Pt, the reaction cathode is coated with a cathode catalyst, the cathode catalyst of this embodiment is graphite oxide with high specific surface area, and in a specific production implementation, the cathode catalyst can be used in Pt/C, ptHg according to the components of the cathode material and the electrolyte ₄ The carbon powder is selected from O-CNTs, graphite oxide, high-surface-area activated carbon powder, M-N-C (M=Co, fe, mn) and functionalized carbon powder.

Preferably, a plurality of fixing brackets 37 extending toward opposite side walls are alternately arranged on two side walls between the reaction inlet 34 and the reaction outlet 35 in the reaction housing 31, a plurality of groups of the reaction electrode groups 30 are sequentially and correspondingly arranged on the plurality of fixing brackets 37, and the reaction electrode groups are fixed by the internal fixing brackets of the module housing cavity, so that physical separation exists when the reaction liquid is not passed through, and a turbulent flow structure is formed.

Preferably, the liquid supply device 32 is a liquid pump, a liquid inlet of the liquid pump is communicated with the outside through the liquid inlet 11, a liquid outlet of the liquid pump is communicated with the reaction module 3, and under the condition of connecting a circuit, the liquid for preparing the hydrogen peroxide disinfectant can be rapidly conveyed to the reaction module through the liquid pump, and then the reaction module is used for preparing the hydrogen peroxide disinfectant in real time, so that the disinfection robot can perform the function of real-time disinfection.

Preferably, the circuit control module 34 is used for controlling the input power of the liquid supply device 32 and the reaction device 33, the application adopts a combination mode of a liquid pump, a reactor and a circuit control module, the liquid pump and the reactor can be directly formed into split-flow and partial-pressure control through the circuit control module, and the power of the liquid pump and the power of the electrochemical reactor can be respectively regulated and controlled under the control of external signals.

The application adopts a combination mode of the liquid pump, the reactor and the circuit control board, can be directly placed in a water tank of the disinfection robot, and when the reactor works, most of generated heat can be taken away by the flow of water flow. During operation, the temperature of the reactor can be reduced, and the whole reactor is kept in a normal temperature range.

Preferably, the water filling port 21 is arranged on the liquid storage module 2, the water filling port 21 is provided with a water pumping device 22 for adding liquid into the liquid storage module, the water pumping device 22 is a water pumping pump, when water is added, water in an external environment can be rapidly pumped out to serve as sterilizing water for preparing hydrogen peroxide sterilizing liquid by starting the water pumping device.

Experimental test results of the embodiments of the present application:

experimental conditions: and adding 20L of mineral water into a liquid storage module of the disinfection robot, putting the mineral water back, starting the disinfection robot, testing the concentration of hydrogen peroxide in a water tank, and continuously testing for 3 hours.

Table 1: test conditions

	Example 1
		Name of the name	Novel disinfection robot
Reactor category	Flow type alternating electrode electrochemical reactor
		Water for killing bacteria	Mineral water
Reaction Voltage (V)	24

The disinfection robot with the structure is selected as an implementation example for testing, an internal hydrogen peroxide generating device adopts a flowing type alternating electrode electrochemical reactor, hydrogen peroxide is prepared under the condition of 24V reaction voltage, and the point is taken in a water tank of the disinfection robot for testing, and the change condition of the concentration of the hydrogen peroxide along with the time is recorded. The detailed implementation conditions are listed in table 1 above.

As shown in fig. 4, in the embodiment, in the case of using 20L of water for reaction, the concentration of hydrogen peroxide in the water tank of the sterilization robot according to the present application may reach more than 50ppm within 3 hours. The experimental result proves that the disinfection robot can automatically move and generate disinfectant in real time.

The disinfection robot of the application adopts the following manual working principle:

the disinfection water is added to the water filling port of the liquid storage module through the water pumping device, reaction raw materials are provided for the reaction module, the disinfection liquid inlet of the atomization box is connected with the water outlet of the reaction device through a disinfection liquid pipeline, the reaction device is used for circularly preparing hydrogen peroxide through flowing, the disinfection liquid in the liquid storage box is electrolyzed into hydrogen peroxide disinfection liquid and then is conveyed to the atomization box through the disinfection liquid pipeline, the disinfection liquid in the atomization box is atomized into water mist through the atomization device, the fan mechanism blows air into the atomization box, so that the disinfection mist is concentrated into a mist outlet air flue to be blown out, and the disinfection robot can move in a large range through a movable robot chassis so as to achieve the purpose of disinfection of a large range public environment.

The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.

Claims

1. The utility model provides a novel disinfection robot, includes robot body (1), robot body (1) bottom is equipped with and is used for removing chassis (10), upper portion to be equipped with out fog wind channel (11), its characterized in that still including locating stock solution module (2), reaction module (3) and atomizing module (4) in robot body (1), stock solution module (2) are used for holding electric solution, reaction module (3) are used for with electrolyte electrolysis in stock solution module (2) makes hydrogen peroxide antiseptic solution, atomizing module (4) be used for with follow after the hydrogen peroxide antiseptic solution atomizing that reaction module (3) made becomes water smoke goes out fog wind channel (11) and derives.

2. A novel sanitizing robot as set forth in claim 1, wherein: the atomization module (4) comprises an atomization box (41) for containing hydrogen peroxide disinfectant, an atomization device (42) for atomizing the hydrogen peroxide disinfectant into water mist is arranged in the atomization box (41), and a fan mechanism (43) for blowing air downwards into the atomization box (41) to enable the air mist to be blown out along the mist outlet air duct (11) is arranged above the atomization box (41).

3. A novel sanitizing robot as set forth in claim 2, wherein: the atomizing device (42) is located under the mist outlet air duct (11), and the blower mechanism (43) is arranged on the left side and the right side of the mist outlet air duct (11).

4. A novel disinfection robot as claimed in claim 2 or 3, wherein: the fan mechanism (43) comprises a fan (431) arranged on the upper side of the atomization box (41) and an air inlet air duct (432) for introducing air flow, an air inlet of the fan (431) is communicated with the air inlet air duct (432), an air outlet of the fan (431) faces the atomization box (41), and an opening of an air inlet end of the air inlet air duct (432) faces downwards.

5. A novel sanitizing robot as set forth in claim 2, wherein: the device is characterized in that the atomizing box (41) is positioned at the upper side of the liquid storage module (2), a disinfectant inlet (11) which is communicated with the reaction module (3) and used for adding hydrogen peroxide disinfectant and a disinfectant overflow opening (12) used for discharging the hydrogen peroxide disinfectant are arranged on the atomizing box (41), and the height of the disinfectant inlet (11) is higher than that of the disinfectant overflow opening (12).

6. A novel sanitizing robot as set forth in claim 1, wherein: the reaction module (3) comprises a module shell (31), and a liquid supply device (32), a reaction device (33) and a circuit control module (34) which are arranged in the module shell (31), wherein a liquid inlet (311) and a liquid outlet (312) are formed in the module shell (31), the liquid supply device (32) is used for conveying electrolyte in the liquid storage module (2) to the reaction device (33) from the liquid inlet (311), the reaction device (33) is used for discharging the electrolyte conveyed by the liquid supply device (32) from the liquid outlet (312) after the electrolyte is electrolyzed into hydrogen peroxide disinfectant, and the circuit control module (34) is connected with an external power supply and is respectively electrically connected with the liquid supply device (32) and the reaction device (33).

7. The novel sanitizing robot of claim 6, wherein: the reaction device (33) comprises a reaction shell (331), wherein a reaction inlet (334) communicated with the liquid supply device (32) is formed in one side of the reaction shell (331), a reaction outlet (335) communicated with the liquid outlet (312) is formed in the other side of the reaction shell, and a plurality of groups of reaction electrode groups (30) are alternately arranged between the reaction inlet (334) and the reaction outlet (335) at intervals in the reaction shell (331).

8. The novel sanitizing robot of claim 7, wherein: the reaction electrode groups (30) are sequentially and alternately arranged in the reaction shell (331), the inside of the reaction shell (331) is divided into S-shaped turbulence channels (336), and liquid entering from the reaction inlet (334) flows to the reaction outlet (335) along the turbulence channels (336) in a bending way.

9. The novel sanitizing robot of claim 7, wherein: the reaction electrode group (30) comprises a reaction anode (332) and a reaction cathode (333), wherein the reaction anode (332) is made of an inert material, the reaction cathode (333) is made of a porous structure material, and the surfaces of the reaction anode (332) and the reaction cathode (333) are respectively provided with a catalyst layer with a catalytic effect.

10. A novel sanitizing robot as set forth in claim 1, wherein: the liquid storage module (2) is provided with a water filling port (21), and the water filling port (21) is provided with a water pumping device (22) for adding liquid into the liquid storage module.