CN215133893U

CN215133893U - Sterilization device

Info

Publication number: CN215133893U
Application number: CN202120636048.7U
Authority: CN
Inventors: 张维; 张晋春; 汤艳; 曲巍
Original assignee: Technical Institute of Physics and Chemistry of CAS
Current assignee: Technical Institute of Physics and Chemistry of CAS
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-12-14
Anticipated expiration: 2031-03-29

Abstract

The embodiment of the application discloses sterilization apparatus, sterilization apparatus includes: a microwave sterilizer; the method comprises the following steps: a housing forming a microwave cavity; and at least one microwave generator disposed on the microwave cavity; the sterilization apparatus further comprises: a conveyor belt for conveying an object to be sterilized; a first target detection sensor disposed at an entrance of the microwave cavity; and a controller; the first target object detection sensor is used for outputting a first detection signal to the controller when detecting that the target object conveyed by the conveyor belt enters the microwave cavity inlet; the controller is used for sending a starting signal to the microwave generator when receiving the first detection signal. When the target object is conveyed into the microwave cavity by the conveyor belt, the microwave generator emits microwaves and sterilizes the target object; the microwave sterilization device is convenient and quick, has strong penetrating power of microwave, and can cause the variation or damage of protein and physiologically active substances in the microorganism, thereby causing the abnormal growth and development of the microorganism and having better sterilization effect.

Description

Sterilization device

Technical Field

The application relates to the technical field of sterilization, more specifically, this application relates to a sterilization apparatus.

Background

In the process of market circulation, paper money can carry countless germs by continuously contacting with people and objects. According to the result of investigation of microbiological contamination of the fifth RMB set by the Guizhou disease control center in China, the total bacterial contamination of the fifth RMB set is far beyond the limit requirement of the total bacterial contamination of skin contact products in WS205-2001 public place product sanitation standard; especially, the paper money with low face value which is used more frequently in the circulation process is more seriously polluted, and the bacteria number is higher; according to the detection of bacteria on RMB by health experts, the most common bacteria are Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa and Salmonella. Therefore, bacterial contamination of RMB is not negligible, and the related security awareness needs to be raised.

In the prior art, ultraviolet lamps or ozone generators are commonly used for sterilizing paper money, and the paper money is usually placed in a loading drawer or box of a sterilizing device and sterilized in an ultraviolet lamp or ozone environment; however, when a plurality of paper money is stacked together, bacteria on the paper money at the middle part and the bottom part cannot be completely removed, and even plasma is generated to cause secondary pollution; moreover, the mode of placing the paper money in the loading drawer or box of the sterilizing equipment is not convenient enough when the paper money is placed or taken out.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sterilization apparatus can realize carrying out quick, high-efficient and no secondary pollution's sterilization to paper currency.

In order to achieve at least one of the above purposes, the following technical scheme is adopted in the application:

the application provides a sterilization apparatus, includes:

a microwave sterilizer, comprising:

a housing forming a microwave cavity; and

at least one microwave generator disposed on the microwave cavity;

the sterilization apparatus further includes:

a conveyor belt for conveying the object to be sterilized;

a first target detection sensor disposed at an entrance of the microwave cavity; and

a controller;

the first target object detection sensor is used for outputting a first detection signal to the controller when detecting that the target object conveyed by the conveyor belt enters the microwave cavity inlet;

the controller is used for sending a starting signal to the microwave generator when receiving the first detection signal.

Optionally, the method further comprises:

the timer is used for starting timing when the first detection signal is received and outputting a timing signal after timing is finished;

the controller is also used for sending a closing signal to the microwave generator when the timing signal is received.

Optionally, the controller is further configured to send a reverse transport signal to the conveyor belt upon receiving the timing signal.

Optionally, the method further comprises:

a second target detection sensor disposed at the microwave cavity outlet;

the second target object detection sensor is used for outputting a second detection signal when detecting that the conveying target object of the conveyor belt leaves the outlet;

the controller is also used for sending a closing signal to the microwave generator when receiving the second detection signal.

Optionally, the method further comprises:

the controller is further configured to send a reverse conveying signal to the conveyor belt upon receiving the second detection signal.

Optionally, a first microwave generator is included on a top wall of the microwave cavity;

and a second microwave generator disposed on a sidewall of the microwave cavity adjacent to both the inlet side and the top wall of the microwave cavity.

The microwaves of the first microwave generator cover a top surface of the target, and the microwaves of the second microwave generator cover a side surface of the target.

Alternatively, the microwave irradiation direction of the second microwave generator is arranged vertically on a horizontal plane with the conveying direction of the conveyor belt.

Optionally, the method further comprises:

a base for carrying a housing of the microwave cavity;

the heat radiation fan is positioned on the base and used for radiating heat for the sterilization device; the outer cover shell is fixedly connected with the two side edges of the base, which are parallel to the moving direction of the conveyor belt;

the microwave sterilizer, the cooling fan and the controller are accommodated in the outer casing.

The beneficial effect of this application is as follows:

aiming at the problems in the prior art, the application provides a sterilization device, which detects a target object on a conveyor belt through a first target detection sensor, and transmits a generated first detection signal to a controller so that the controller controls a microwave generator to be started; when the target object is conveyed into the microwave cavity by the conveyor belt, the microwave generator can emit microwaves and sterilize the target object; therefore, when the target object needs to be sterilized, the target object can be automatically sterilized by directly placing the target object on the conveyor belt, the convenience and the rapidness are realized, the microwave is used for sterilization, the penetrating power is strong, the protein and the physiologically active substance in the microorganism can be mutated or damaged, the abnormal growth and development of the microorganism is caused, and the sterilization effect is better.

Drawings

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Fig. 1 shows a first connection diagram of a sterilization device in an embodiment of the present application.

Fig. 2 shows a connection diagram two of a sterilization device in an embodiment of the present application.

Fig. 3 shows a schematic structural view of a microwave sterilizer in a sterilization apparatus in an embodiment of the present application.

Fig. 4 is a schematic structural view of a tunnel type sterilization apparatus according to an embodiment of the present application.

Fig. 5 shows a schematic structural diagram of a reciprocating sterilization device in an embodiment of the present application.

Fig. 6 shows a flow diagram of a sterilization method in an embodiment of the present application.

Detailed Description

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that such embodiment(s) may be practiced without these specific details.

In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It is further noted that, in the description of the present application, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

To solve the problems in the prior art, an embodiment of the present application provides a sterilization apparatus, including: a tunnel type sterilization device and a reciprocating type sterilization device; as shown in fig. 1 to 6, the sterilization apparatus includes: a microwave sterilizer; the microwave sterilizer comprises: a housing 11 forming a microwave cavity; and at least one microwave generator 12 disposed on the microwave cavity; the sterilization apparatus further includes: a conveyor belt 2 for conveying an object to be sterilized; a first target detection sensor 3 disposed at an entrance of the microwave cavity; and a controller 4; the first target object detection sensor 3 is used for outputting a first detection signal to the controller 4 when detecting that the target object conveyed by the conveyor belt 2 enters the microwave cavity entrance; the controller 4 is configured to send a start signal to the microwave generator when receiving the first detection signal.

In the sterilization apparatus provided in the above embodiment, the target on the conveyor belt 2 is detected by the first target detection sensor, and the generated first detection signal is transmitted to the controller 4, so that the controller 4 controls the microwave generator 12 to be turned on; when the target object is conveyed into the microwave cavity by the conveyor belt 2, the microwave generator 12 can emit microwaves and sterilize the target object; therefore, when the target object needs to be sterilized, the target object can be directly placed on the conveyor belt 2 to realize automatic sterilization, the convenience and the rapidness are realized, the microwave sterilization is used, the penetrating power is strong, the protein and the physiologically active substance in the microorganism can be mutated or damaged, the growth and the development of the microorganism are abnormal, and the sterilization effect is better.

Specifically, the microwave is an electromagnetic wave, which can generate a high-frequency electromagnetic field, for example, with a frequency of 2450MHz, and can make polar molecules rotate about 24.5 hundred million times within 1 s; when the microwave enters the medium body, polar molecules in the medium body, such as water, protein, nucleic acid and the like, change along with the frequency of an electromagnetic field, the polar direction of the polar molecules also changes, so that the molecules rotate and vibrate back and forth at high speed violently, the temperature of the medium rises sharply, the polar molecules of the protein, the nucleic acid and the like of bacteria are denatured, and the protein and the physiologically active substances in the medium body are mutated or destroyed under the action of microwave heat effect and non-heat effect, so that the growth and development of organisms are abnormal, and the germs are killed.

The banknotes are explained in detail below as the above-mentioned objects to be sterilized.

In a specific embodiment, the sterilization device further comprises: the timer 5 is used for starting timing by the timer 5 when the first detection signal is received and outputting a timing signal after timing is finished; the controller 4 is also arranged to send a shut down signal to the microwave generator 12 upon receipt of the timing signal.

Specifically, paper money is placed on a running conveyor belt 2, a first target object detection sensor 3 arranged at an inlet of a microwave cavity detects the paper money, and when the paper money is detected, the first target object detection sensor 3 generates a first detection signal and sends the first detection signal to a controller 4 and a timer 5 respectively; after receiving the first detection signal, the controller 4 sends a starting signal to the microwave generator to control the microwave generator to start to operate; when the timer 5 receives the first detection signal, counting down according to the preset time of the timer 5, moving the paper money to the direction of the microwave cavity until the paper money enters the microwave cavity, controlling the conveyor belt 2 to stop running according to the counting down time controller 4, sterilizing the paper money by the microwave generator 12 until the counting down is finished, and transmitting a timing signal to the controller 4 by the timer 5;

in the case of the tunnel type sterilization apparatus, the controller 4 sends a closing signal to the microwave generator 12 when receiving the timing signal, and the controller 4 controls the conveyor belt 2 to run toward the outlet of the microwave cavity again, so that the paper money is conveyed out of the microwave cavity by the conveyor belt 2, and the sterilization of the paper money is completed.

In the case of the reciprocating type sterilization device, the controller 4 sends a closing signal to the microwave generator 12 when receiving the timing signal, and simultaneously the controller 4 also sends a reverse transmission signal to the conveyor belt 2, so as to control the conveyor belt 2 to move towards the inlet direction of the microwave cavity, so that the paper money is output from the microwave cavity by the conveyor belt 2, and the sterilization of the paper money is completed.

In a specific embodiment, the sterilization device further comprises: a second target detection sensor 6 disposed at the microwave cavity outlet; the second object detection sensor 6 is used for outputting a second detection signal when detecting that the object conveyed by the conveyor belt 2 leaves the outlet; the controller 4 is further configured to send a shutdown signal to the microwave generator upon receiving the second detection signal.

Specifically, paper money is placed on a running conveyor belt 2, a first target object detection sensor 3 arranged at an inlet of a microwave cavity detects the paper money, and when the paper money is detected, the first target object detection sensor 3 generates a first detection signal and sends the first detection signal to a controller 4; after receiving the first detection signal, the controller 4 sends a start signal to the microwave generator 12 to control the microwave generator 12 to start to operate; at the moment, the conveyor belt 2 moves towards the microwave cavity, the paper money enters the microwave cavity, the controller 4 controls the conveyor belt 2 bearing the paper money to stop running according to the first preset time, and controls the conveyor belt 2 to stop running according to the second preset time, namely the time for the microwave generator 12 to sterilize the paper money; when the operation time of the conveyor belt 2 is stopped, the controller 4 controls the conveyor belt 2 to move towards the second target object detection sensor 6 again, namely the conveyor belt 2 moves towards the microwave cavity outlet; here, the first preset time refers to a time during which the conveyor belt 2 runs from when the first object detection sensor 3 detects the paper money to when the paper money enters the microwave chamber; the second preset time refers to the time when the paper money enters the microwave cavity to sterilize the paper money, namely the time when the conveyor belt 2 stops running.

In the case of the tunnel type sterilization apparatus, when the second target detection sensor 6 detects the paper money, a second detection signal is output; and the controller 4 sends a closing signal to the microwave generator when receiving the second detection signal, so that the sterilization of the paper money is completed.

In the case of the reciprocating type sterilization apparatus, when the second object detection sensor 6 detects the paper money, a second detection signal is output; at this time, when receiving the second detection signal, the controller 4 sends a shutdown signal to the microwave generator 12, the microwave generator 12 stops operating, and simultaneously sends a reverse transmission signal to the conveyor belt 2, so that the conveyor belt 2 operates towards the inlet direction of the microwave cavity, so that the paper money is output from the microwave cavity by the conveyor belt 2, and the sterilization of the paper money is completed.

In a specific embodiment, as shown in fig. 3, the top wall of the microwave cavity includes a first microwave generator 121; and a second microwave generator 122 disposed on a sidewall of the microwave cavity adjacent to both the inlet side and the top wall of the microwave cavity. Specifically, the first microwave generator 121 is located outside the top wall of the microwave cavity, and the second microwave generator 122 is located outside a side wall of the microwave cavity adjacent to both the inlet side and the top wall of the microwave cavity; further, the first microwave generator 121 and the second microwave generator 122 are further coupled to a radiation antenna (not shown in the figure); the radiation antenna receives the microwaves emitted by the first microwave generator 121 and the second microwave generator 122 and emits the microwaves to the paper money; the efficiency of sterilizing the paper money is improved by the matching use of the radiation antenna and the first microwave generator 121 and the second microwave generator 122; the number of the first microwave generator 121 and the second microwave generator 122 is set according to actual conditions, and may be one or more; the microwave irradiation direction of the first microwave generator 121 is vertically arranged on a vertical plane with respect to the conveying direction of the conveyor belt 2, and the microwave irradiation direction of the second microwave generator 122 is vertically arranged on a horizontal plane with respect to the conveying direction of the conveyor belt 2. The microwaves of the first microwave generator 121 cover the top surface of the object, i.e., the top surface of the paper money 14, through the radiation antennas, and the microwaves of the second microwave generator 122 cover the side surface of the object, i.e., the side surface of the paper money 14, through the radiation antennas. Thus, when the paper money 14 is sterilized, the microwaves emitted from the first microwave generator 121 may be incident from the top surface of the paper money 14 through the radiation antenna, thereby penetrating to the bottom of the paper money 14; the microwaves emitted by the second microwave generator 122 can be incident from the surface of one side of the paper money 14 through the radiation antenna and then penetrate to the other side, so that the paper money 14 is sterilized more thoroughly, and the sterilization effect of 360 degrees without dead angles is achieved; for example, the first microwave generator 121 and the second microwave generator 122 in fig. 3 have 4 pieces, respectively, and are sequentially arranged at the outer sides of the top wall and the side wall of the microwave cavity.

In a specific embodiment, the sterilization device further comprises: the control panel 7 is used for setting microwave information parameters of the microwave generator 12 according to actual requirements, sending the microwave information parameters of the microwave generator 12 to the controller 4, controlling the intensity of the microwave generator 12 by the controller 4 according to the received microwave information parameters of the microwave generator 12, wherein the intensity of the microwave generator 12 is microwave power which is 200W-2000W, and is set according to actual conditions in actual application; for example, if 100 stacked banknotes with a denomination of 100 dollars are to be sterilized, the microwave power may be set to 1000W.

The timer preset time, the first preset time and the second preset time can also be set through the control panel 7 according to actual requirements, for example, the timer preset time can be set to 60 seconds, and the first preset time and the second preset time can be 10 seconds and 50 seconds, respectively.

In a specific embodiment, the sterilization device further comprises: a base 8 for carrying a housing 11 of the microwave cavity; a heat radiation fan 9 positioned on the base 8 for radiating heat for the sterilization device; the base 8 and the two side edges parallel to the moving direction of the conveyor belt 2 are fixedly connected with an outer housing 10; the microwave sterilizer, the cooling fan 9 and the controller 4 are accommodated in the outer casing 10; the conveyor belt 2 is arranged on the base 8 and runs back and forth in the length direction of the base 8; wherein, when the microwave generator starts to operate, the cooling fan 9 starts to operate, when the microwave generator stops operating, the cooling fan 9 also stops operating; the number of the heat radiation fans 9 can be one or more, and is set according to actual requirements; heat dissipation holes 13 matched with the heat dissipation fan 9 are further formed in the two sides of the outer casing 10, and heat generated by the sterilization device is dissipated from the heat dissipation holes 13; the outer casing 10 is made of metal, so that microwave leakage can be prevented.

In a specific embodiment, in the tunnel type sterilization apparatus, the first object detection sensor 3 and the second object detection sensor 6 are provided with the protection covers 11, and in the reciprocating type sterilization apparatus, the first object detection sensor 3 is provided with the protection cover 11, and the second object detection sensor 6 is not provided with the protection cover 11 because it is located inside the outer casing 10. The design of the protective cover 11 can protect the first object detection sensor 3 and the second object detection sensor 6 from being damaged during use of the sterilization apparatus or during transportation of the sterilization apparatus.

In a specific embodiment, the sterilization device further comprises: the main power switch 12 provided on the outer casing 10 is turned on or off only by a user pressing the main power switch 12 when the sterilization apparatus is turned on or off.

In a specific embodiment, the sterilization device further comprises: a first inductive indicator light (not shown) and a second inductive indicator light (not shown); when the main power switch 12 is turned on, the first induction indicating lamp is turned on, and when the main power switch 12 is turned off, the first induction indicating lamp is turned off; the second indicator lamp is turned on when the microwave generator 12 starts to operate, and turned off when the microwave generator 12 stops operating.

The embodiment of the utility model provides a still provide a sterilization method, this method is realized according to above-mentioned sterilization apparatus, as shown in fig. 6, this sterilization method includes:

step S1: conveying the target object to be sterilized into the microwave cavity;

step S2: and controlling the microwave generator 12 to be started when the target object is detected to enter the inlet of the microwave cavity.

Through the steps S1 to S2, the sterilization method provided by the above embodiment, when the target object needs to be sterilized, detects the target object on the conveyor belt 2 by the first target object detection sensor 3, and transmits the generated first detection signal to the controller 4, so that the controller 4 controls the microwave generator 12 to be turned on; when the target object is conveyed into the microwave cavity by the conveyor belt 2, the target object can be sterilized by the microwave generator 12; therefore, when the target object needs to be sterilized, the target object can be directly placed on the conveyor belt 2 to realize automatic sterilization, the convenience and the rapidness are realized, the microwave sterilization is used, the penetrating power is strong, the protein and the physiologically active substance in the microorganism can be mutated or damaged, the growth and the development of the microorganism are abnormal, and the sterilization effect is better.

For the specific details and the effect description of the sterilization method provided by the above embodiment, reference may be made to the related contents of the sterilization apparatus, and details are not described herein again.

Obviously, the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it is obvious for those skilled in the art to make other variations or changes based on the above descriptions, and all the embodiments cannot be exhausted here, and all the obvious variations or changes that belong to the technical solutions of the present invention are still in the protection scope of the present invention.

Claims

1. A sterilization apparatus, comprising:

a microwave sterilizer, comprising:

a housing forming a microwave cavity; and

at least one microwave generator disposed on the microwave cavity;

the sterilization apparatus further includes:

a conveyor belt for conveying the object to be sterilized;

a controller;

2. A sterilization apparatus as defined in claim 1, further comprising:

3. A sterilisation apparatus according to claim 2, wherein said controller is further arranged to send a reverse transport signal to the conveyor belt upon receipt of said timing signal.

4. A sterilization apparatus as defined in claim 1, further comprising:

a second target detection sensor disposed at the microwave cavity outlet;

5. A sterilization apparatus as defined in claim 4, further comprising:

6. A sterilising apparatus according to claim 1, wherein the microwave cavity includes a first microwave generator on a top wall thereof;

7. The sterilization apparatus according to claim 6, wherein the microwaves of the first microwave generator cover a top surface of the target, and the microwaves of the second microwave generator cover a side surface of the target.

8. A sterilization apparatus according to claim 7, wherein the microwave irradiation direction of the second microwave generator is arranged vertically on a horizontal plane with respect to the conveyance direction of the conveyor belt.

9. A sterilization apparatus as defined in claim 1, further comprising:

a base for carrying a housing of the microwave cavity;

the heat radiation fan is positioned on the base and used for radiating heat for the sterilization device; and

the base is connected with the outer housing fixedly at the two side edges parallel to the moving direction of the conveyor belt;