Hydrogen peroxide sterilizer

Abstract

The utility model discloses a hydrogen peroxide sterilizer, which relates to the technical field of sterilization equipment, and comprises a box body, and the box body is provided with a bactericide inlet, a ventilation opening and a spray nozzle; an atomizing mechanism and a spraying mechanism are arranged in the box body, the atomizing mechanism comprises a liquid pipeline, a gas pipeline and an atomizing pipeline, the inlet end of the liquid pipeline is communicated with the bactericide inlet, the inlet end of the gas pipeline is communicated with the ventilation opening, and the outlet end of the liquid pipeline and the outlet end of the gas pipeline are both communicated with the inlet end of the atomizing pipeline; a spray head is arranged at the outlet end of the atomizing pipeline and is communicated with the atomizing opening through an atomizing mechanism; the liquid pipeline is provided with a conveying pump, the gas pipeline is provided with an air compressor, the air compressor is used for introducing compressed air into the atomization pipeline, so that a hydrogen peroxide solution conveyed by the conveying pump in the atomization pipeline is atomized through the spray head to form hydrogen peroxide fog drops, and the spraying mechanism is used for spraying the hydrogen peroxide fog drops out through the spraying opening. And efficient sterilization is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of sterilization equipment, in particular to a hydrogen peroxide sterilizer. Background Art

[0002] In many fields such as biopharmaceutical factories, medical and health institutions, biological laboratories and animal research laboratories, sterilization equipment is needed to provide a sterile environment.

[0003] Existing hydrogen peroxide sterilization equipment is usually a distillation-type hydrogen peroxide sterilizer, such as the dry VHP sterilizer of Steris (Steris) in the United States, which uses a flash evaporation method to use a hydrogen peroxide solution for sterilization and disinfection.

[0004] However, since traditional distilled hydrogen peroxide sterilizers usually use high-concentration hydrogen peroxide solutions with a concentration greater than 55% as sterilization media, they are prone to corrosion of the equipment and cannot avoid harming the environment and human body. In addition, the distilled hydrogen peroxide sterilization process is relatively complicated and requires multiple steps such as heating, evaporation, and condensation. The use of sterilization equipment using this process is relatively cumbersome, the sterilization time required is long, and the sterilization efficiency is low. The utilization rate of hydrogen peroxide is low, and it is only suitable for small spaces and does not fully cover corners. It requires frequent maintenance work, which is time-consuming and labor-intensive. Utility Model Content

[0005] The utility model aims to provide a hydrogen peroxide sterilizer to solve the problems existing in the above-mentioned prior art. By adopting an atomization method, a low-concentration hydrogen peroxide solution can also achieve an efficient sterilization effect, with high safety and simple operation.

[0006] To achieve the above purpose, the utility model provides the following solutions:

[0007] The utility model provides a hydrogen peroxide sterilizer, comprising a box body, wherein the box body is provided with a sterilant inlet, a vent and a spray port, wherein the sterilant inlet is used to pass a hydrogen peroxide solution; an atomizing mechanism and a spraying mechanism are provided in the box body, wherein the atomizing mechanism comprises a liquid pipeline, a gas pipeline and an atomizing pipeline, wherein the inlet end of the liquid pipeline is communicated with the sterilant inlet, the inlet end of the gas pipeline is communicated with the vent, and the outlet end of the liquid pipeline and the outlet end of the gas pipeline are both communicated with the inlet end of the atomizing pipeline, a nozzle is provided at the outlet end of the atomizing pipeline, and the nozzle is communicated with the spray port through the spraying mechanism; a delivery pump is provided on the liquid pipeline, and an air compressor is provided on the gas pipeline, wherein the air compressor is used to pass compressed air into the atomizing pipeline, so that the hydrogen peroxide solution delivered in the atomizing pipeline by the delivery pump is atomized through the nozzle to form hydrogen peroxide droplets, and the spraying mechanism is used to spray the hydrogen peroxide droplets through the spray port.

[0008] Preferably, the spray mechanism includes a spray chamber and a blower, the nozzle is connected to the spray port through the spray chamber, the air inlet end of the blower is connected to the vent, and the air outlet end of the blower is connected to the spray chamber, and the blower is used to spray the hydrogen peroxide droplets in the spray chamber through the spray port.

[0009] Preferably, the liquid pipeline is a hose, and the delivery pump is a peristaltic pump.

[0010] Preferably, the motor of the peristaltic pump is a variable frequency motor.

[0011] Preferably, the hydrogen peroxide sterilizer also includes a monitoring mechanism and a controller, and the monitoring mechanism and the peristaltic pump are both connected to the controller; the monitoring mechanism is used to monitor the temperature, humidity and hydrogen peroxide concentration of the environment surrounding the box, and the controller is used to adjust the speed of the variable frequency motor of the peristaltic pump, thereby adjusting the sterilant injection rate of the hydrogen peroxide sterilizer.

[0012] Preferably, the monitoring mechanism includes a probe assembly, the probe assembly includes a probe interface and a probe, the probe interface is arranged on the outer wall of the box, the controller is arranged in the box, and the probe is electrically connected to the controller through the probe interface; the probe assembly is provided with a plurality of groups, and all the probes are evenly arranged around the box in the surrounding environment of the box to monitor the temperature, humidity and hydrogen peroxide concentration of the surrounding environment of the box.

[0013] Preferably, the hydrogen peroxide sterilizer further comprises a wireless communication device, and the wireless communication device is connected to the controller.

[0014] Preferably, the hydrogen peroxide sterilizer further comprises a display screen, which is arranged on the top of the box and connected to the controller, and the display screen can display the remaining sterilization log value and the remaining sterilization time.

[0015] Preferably, a handrail is provided on one side of the box.

[0016] Preferably, four casters are arranged at the bottom of the box, and the four casters are respectively arranged at positions of the bottom of the box near four corners.

[0017] Compared with the prior art, the utility model has achieved the following technical effects:

[0018] The hydrogen peroxide sterilizer provided by the utility model comprises a box body, a sterilant inlet, a vent and a spray port are arranged on the box body, an atomizing mechanism and a spraying mechanism are arranged in the box body, the atomizing mechanism comprises a liquid pipeline, a gas pipeline and an atomizing pipeline, a nozzle is arranged at the outlet end of the atomizing pipeline, when in use, the hydrogen peroxide solution introduced into the sterilant inlet is delivered to the atomizing pipeline through the delivery pump on the liquid pipeline, the air introduced into the vent is compressed to form high-pressure gas and delivered to the atomizing pipeline through the air compressor on the gas pipeline, the hydrogen peroxide solution in the atomizing pipeline is atomized through the nozzle to form hydrogen peroxide droplets, and then the hydrogen peroxide droplets are sprayed out through the spray port into the environment for sterilization by the spraying mechanism. The utility model adopts an atomization method, so that a low-concentration hydrogen peroxide solution can also achieve an effect of efficient sterilization, with high safety and simple operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 A schematic diagram of a hydrogen peroxide sterilizer provided in an embodiment of the utility model.

[0021] In the figure: 1-box, 2-disinfectant inlet, 3-ventilation port, 4-spray port, 5-probe interface, 6-switch, 7-display screen, 8-handrail, 9-castor. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The utility model aims to provide a hydrogen peroxide sterilizer to solve the problems existing in the prior art. The utility model adopts an atomization method so that a low-concentration hydrogen peroxide solution can also achieve an efficient sterilization effect, has high safety and is easy to operate.

[0024] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0025] like Figure 1 As shown, the present embodiment provides a hydrogen peroxide sterilizer, comprising a housing 1, on which a sterilant inlet 2, a vent 3 and a spray port 4 are provided, the sterilant inlet 2 is used to introduce a hydrogen peroxide solution; an atomizing mechanism and a spraying mechanism are provided in the housing 1, the atomizing mechanism comprises a liquid pipeline, a gas pipeline and an atomizing pipeline, the inlet end of the liquid pipeline is connected to the sterilant inlet 2, the inlet end of the gas pipeline is connected to the vent 3, and the outlet end of the liquid pipeline and the outlet end of the gas pipeline are both connected to the inlet end of the atomizing pipeline, a nozzle is provided at the outlet end of the atomizing pipeline, and the nozzle is connected to the spray port 4 through the spraying mechanism; a delivery pump is provided on the liquid pipeline, and an air compressor is provided on the gas pipeline, the air compressor is used to introduce compressed air into the atomizing pipeline, so that the hydrogen peroxide solution delivered by the delivery pump in the atomizing pipeline is atomized through the nozzle to form hydrogen peroxide droplets, and the spraying mechanism is used to spray the hydrogen peroxide droplets through the spray port 4.

[0026] In this embodiment, the spray mechanism includes a spray chamber and a blower. The spray chamber in this embodiment is a square cavity. The nozzle is connected to the spray port 4 through the spray chamber. The air inlet end of the blower is connected to the vent, and the air outlet end of the blower is connected to the spray chamber. When in use, the hydrogen peroxide solution in the atomization pipeline is atomized by the nozzle under the action of compressed air to form hydrogen peroxide droplets that are discharged into the spray chamber. Then, the blower sprays the hydrogen peroxide droplets in the spray chamber through the spray port 4 into the environment for sterilization.

[0027] In this embodiment, the liquid pipeline is a hose and the delivery pump is a peristaltic pump; when in use, the bottle containing the hydrogen peroxide solution outside the device is connected to the disinfectant inlet 2 of the device through a hose, and the liquid pipeline is squeezed and released by the roller of the peristaltic pump to pump the hydrogen peroxide solution.

[0028] Furthermore, the motor of the peristaltic pump is a variable frequency motor.

[0029] In this embodiment, the hydrogen peroxide sterilizer also includes a monitoring mechanism and a controller, and the monitoring mechanism and the peristaltic pump are both connected to the controller; the monitoring mechanism is used to monitor the temperature, humidity and hydrogen peroxide concentration of the environment surrounding the box 1, and the controller is used to adjust the speed of the variable frequency motor of the peristaltic pump, thereby adjusting the sterilant injection rate of the hydrogen peroxide sterilizer.

[0030] Further, the monitoring mechanism includes a probe assembly, the probe assembly includes a probe interface 5 and a probe, the probe interface 5 is arranged on the outer wall of the box 1, the controller is arranged in the box 1, and the probe is electrically connected to the controller through the probe interface 5; specifically, in the present embodiment, four groups of probe assemblies are provided, each group of probe assemblies includes a probe interface 5 and a probe, the probe interface 5 is preferably an aviation plug, all four probe interfaces 5 are arranged in a row on one side of the box 1, and a switch 6 of the present device is also provided below the four probe interfaces 5 on the box 1; in the present embodiment, the present device is applied to a square room, When in use, the box 1 is placed in the middle of the room, and all four probes are placed at the four corners of the room respectively, and are connected to the four probe interfaces 5 respectively, so as to monitor the temperature, humidity and hydrogen peroxide concentration of the environment around the box 1, thereby realizing all-round monitoring in the sterilization area. By evenly arranging all the probes around the box 1 in the environment around the box 1, it is also possible to realize all-round monitoring of the temperature, humidity and hydrogen peroxide concentration in a relatively complex large space, and feed back the monitoring data to the controller in the box 1 in real time, so as to adjust the sterilizer injection rate in time and improve the sterilization efficiency.

[0031] It should be noted that this equipment allows users to program each parameter configuration as needed by setting up probes and controllers. The built-in software system of the controller will automatically configure and adjust the parameters and configure the best sterilization cycle parameters for the selected area size; this equipment uses the most advanced temperature, humidity and hydrogen peroxide concentration sensing system, and the probe feeds back the temperature, humidity and hydrogen peroxide concentration in the use environment to the controller in real time, so that the equipment can follow up the environmental conditions at any time to adjust the injection amount of the sterilant; according to different environmental conditions, the sterilant injection rate of this equipment can be adjusted in multiple levels through the variable frequency motor of the peristaltic pump based on the data fed back by the three-in-one function (monitoring temperature, humidity and hydrogen peroxide concentration) probe, and the adjustment range of different models is: 3g-20g / min, 5g-40g / min, 5g-35g / min.

[0032] It should be noted that the controller of this equipment integrates an intelligent PLC control system, realizes a safe and reliable authority management function, and can be equipped with a three-level management authority password protection. Unauthorized users cannot enter the setting interface of key parameters to operate. For operators, supervisors and maintenance personnel, each user will have different levels of access rights and can configure them.

[0033] In this embodiment, the hydrogen peroxide sterilizer also includes a wireless communication device, which is connected to the controller. Remote control can be achieved through the wireless communication device, and the device can be operated indoors or outdoors to adapt to different sterilization areas.

[0034] In this embodiment, the hydrogen peroxide sterilizer also includes a display screen 7, which is arranged on the top of the box 1 and connected to the controller. The display screen 7 can display the remaining sterilization log value and the remaining sterilization time, so as to facilitate the user to estimate the time required for the sterilization procedure.

[0035] In this embodiment, a handrail 8 is provided on one side of the box body 1 .

[0036] In this embodiment, four casters 9 are arranged at the bottom of the box body 1 , and the four casters 9 are respectively arranged at positions of the bottom of the box body 1 close to the four corners.

[0037] In summary, this equipment adopts atomization mode, so that low concentration (concentration range is 30%-35%) of hydrogen peroxide solution can also achieve efficient sterilization effect, with high safety, non-corrosive to equipment, harmless to the environment and human body. In addition, this equipment also has the advantages of high intelligence, simple operation, can be used in large and small spaces and full coverage, short sterilization time, long equipment maintenance interval, etc., and is suitable for popularization and application.

[0038] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A hydrogen peroxide sterilizer, characterized in that: The invention comprises a box body, on which a sterilant inlet, a vent and a spray port are provided, wherein the sterilant inlet is used for introducing a hydrogen peroxide solution; an atomizing mechanism and a spraying mechanism are provided in the box body, wherein the atomizing mechanism comprises a liquid pipeline, a gas pipeline and an atomizing pipeline, wherein the inlet end of the liquid pipeline is communicated with the sterilant inlet, the inlet end of the gas pipeline is communicated with the vent, and the outlet end of the liquid pipeline and the outlet end of the gas pipeline are both communicated with the inlet end of the atomizing pipeline, a nozzle is provided at the outlet end of the atomizing pipeline, and the nozzle is communicated with the spray port through the spraying mechanism; a delivery pump is provided on the liquid pipeline, and an air compressor is provided on the gas pipeline, wherein the air compressor is used for introducing compressed air into the atomizing pipeline, so that the hydrogen peroxide solution delivered by the delivery pump in the atomizing pipeline is atomized through the nozzle to form hydrogen peroxide droplets, and the spraying mechanism is used for spraying the hydrogen peroxide droplets through the spray port.

2. The hydrogen peroxide sterilizer according to claim 1, characterized in that: The spray mechanism includes a spray chamber and a blower, the nozzle is connected to the spray port through the spray chamber, the air inlet end of the blower is connected to the vent, the air outlet end of the blower is connected to the spray chamber, and the blower is used to spray the hydrogen peroxide droplets in the spray chamber through the spray port.

3. The hydrogen peroxide sterilizer according to claim 1, characterized in that: The liquid pipeline is a hose, and the delivery pump is a peristaltic pump.

4. The hydrogen peroxide sterilizer according to claim 3, characterized in that: The motor of the peristaltic pump is a variable frequency motor.

5. The hydrogen peroxide sterilizer according to claim 4, characterized in that: The hydrogen peroxide sterilizer also includes a monitoring mechanism and a controller, and the monitoring mechanism and the peristaltic pump are both connected to the controller; the monitoring mechanism is used to monitor the temperature, humidity and hydrogen peroxide concentration of the environment around the box, and the controller is used to adjust the speed of the variable frequency motor of the peristaltic pump, thereby adjusting the sterilant injection rate of the hydrogen peroxide sterilizer.

6. The hydrogen peroxide sterilizer according to claim 5, characterized in that: The monitoring mechanism includes a probe assembly, which includes a probe interface and a probe, wherein the probe interface is arranged on the outer wall of the box, the controller is arranged in the box, and the probe is electrically connected to the controller via the probe interface; the probe assembly is provided with multiple groups, and all the probes are evenly arranged around the box in the surrounding environment of the box to monitor the temperature, humidity and hydrogen peroxide concentration of the surrounding environment of the box.

7. The hydrogen peroxide sterilizer according to claim 5, characterized in that: The hydrogen peroxide sterilizer also includes a wireless communication device, and the wireless communication device is connected to the controller.

8. The hydrogen peroxide sterilizer according to claim 5, characterized in that: The hydrogen peroxide sterilizer also includes a display screen, which is arranged on the top of the box and connected to the controller. The display screen can display the remaining sterilization log value and the remaining sterilization time.

9. The hydrogen peroxide sterilizer according to claim 1, characterized in that: An armrest is arranged on one side of the box body.

10. The hydrogen peroxide sterilizer according to claim 1, characterized in that: The bottom of the box is provided with four casters, and the four casters are respectively arranged at positions near the four corners of the bottom of the box.

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