CN216745108U - Plasma degassing unit for freezer - Google Patents
Plasma degassing unit for freezer Download PDFInfo
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- CN216745108U CN216745108U CN202120604252.0U CN202120604252U CN216745108U CN 216745108 U CN216745108 U CN 216745108U CN 202120604252 U CN202120604252 U CN 202120604252U CN 216745108 U CN216745108 U CN 216745108U
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Abstract
The utility model relates to the technical field of cold storage disinfection equipment, in particular to a cold storage plasma disinfection device which can be switched under various working modes and improves the flexibility of cold storage disinfection operation, comprising a shell which is inserted at an air outlet of an air cooler and is communicated with the air outlet and the external environment; the device comprises a low-temperature plasma module for exciting plasma during power connection and a disinfection module for supplying power; the control module comprises a main controller and a wireless signal receiver which are electrically connected with a driver of an external air cooler; the time module is used for sending an instruction to the main controller at a preset time point or time period; a human body induction device for detecting the entering information of the personnel; the main controller receives an external instruction and controls the low-temperature plasma module to enter a high-intensity disinfection mode or a conventional disinfection mode, receives a signal sent by the human body induction device and controls the low-temperature plasma module to enter the conventional disinfection mode, and receives a signal sent by the time module and changes the current disinfection mode of the low-temperature plasma module.
Description
Technical Field
The utility model relates to a freezer disinfecting equipment technical field especially relates to a can carry out the plasma degassing unit for freezer that switches under multiple mode.
Background
The cold storage is an important place for cold processing and storage of foods, and the sanitary management work of the cold storage is directly related to the quality and safety of cold-processed foods. Because the temperature in the cold storage is low and the humidity is high, the mould is easy to breed in the cold storage, and further the food is polluted; moreover, when food enters and exits the refrigerator, the outer package of the food is very easily contaminated by microorganisms or bacteria, and under the condition that an operator is infected with an infectious disease, the outer package of the food is also contaminated by viruses, so that the cold chain food becomes a propagator of the microorganisms and pathogens, and therefore, the refrigerator needs to be disinfected regularly or irregularly, so that the probability of the food being contaminated by the microorganisms is reduced, the food quality is improved, and cross infection is avoided.
However, the conventional refrigerator sterilization work is mainly performed by spraying a disinfectant, and the sterilization effect of the refrigerator is poor due to the reduced sterilization capability of the disinfectant at a low temperature. In addition, also have the mode that adopts ion degassing unit to disinfect the freezer, but this type of degassing unit simple structure, the function is single, is difficult to adapt to the freezer disinfection operation under the different scenes, can't effectively guarantee the sanitary conditions of freezer, and forms high concentration ion atmosphere in the freezer disinfection process, if personnel's mistake income will inhale a large amount of plasmas, threaten personnel healthy, there is great potential safety hazard.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a plasma sterilizer for a refrigerator, which is switchable between a plurality of operation modes, in order to solve the technical problems of simple structure, single function and difficulty in adapting to sterilization work in different situations.
A plasma sterilizing apparatus for a refrigerator, comprising:
the bottom of the shell is inserted in a part, close to the air outlet of the air cooler, of the external air cooler, and the inner cavity of the shell is respectively communicated with the air outlet of the air cooler and the external environment;
the disinfection module is accommodated in the inner cavity of the shell and comprises a low-temperature plasma module and a power supply, wherein the low-temperature plasma module excites plasma when power is connected, the power supply provides electric energy for the low-temperature plasma module, the low-temperature plasma module is fixedly connected with the inner wall of the shell, and the power supply is arranged on one surface, back to the air outlet direction of the air cooler, of the low-temperature plasma module;
the control module comprises a main controller which is accommodated in the inner cavity of the shell and is electrically connected with a driver of an external air cooler, and a wireless signal receiver which is electrically connected with the main controller and is used for receiving an external wireless signal transmitting end signal;
the time module is electrically connected with the main controller and used for sending a state change instruction to the main controller at a preset time point or when a preset time period is reached;
the human body sensing device is accommodated in the inner cavity of the shell and is electrically connected with the main controller, and a signal receiving end of the human body sensing device faces to the inlet of the refrigeration house and sends an action signal to the main controller when a person enters the refrigeration house;
when the main controller receives an external instruction transmitted by the wireless signal receiver, the terminal voltage of the low-temperature plasma module is controlled to be increased or decreased so as to respectively drive the low-temperature plasma module to enter a high-intensity disinfection mode for outputting high-concentration plasma or a conventional disinfection mode for outputting low-concentration plasma; when receiving an action signal sent by the human body induction device, the main controller controls the low-temperature plasma module to enter a conventional disinfection mode and controls a driver of an external air cooler to work; the main controller is also used for receiving the signal sent by the time module and changing the current disinfection mode of the low-temperature plasma module.
In one embodiment, the plasma disinfection device for the refrigeration house further comprises an external control panel electrically connected with the main controller, and a plurality of hand controls for starting and stopping the plasma disinfection device for the refrigeration house and adjusting the disinfection mode of the disinfection module are arranged on the control panel.
In one embodiment, the control panel further comprises a display screen for displaying the working parameters of the plasma disinfection device for the refrigeration house and inputting an external control signal.
In one embodiment, a plasma concentration detector electrically connected with the main controller and used for detecting the plasma concentration in the cold storage is further arranged in the shell.
In one embodiment, the plasma disinfection device for the refrigeration house further comprises a switching module electrically connected with the main controller, and the switching module is used for disconnecting the wireless signal receiver from the main controller, disconnecting the time module from the main controller and disconnecting the control panel from the main controller when the main controller receives a signal sent by the human body induction device; the switching module is also used for connecting the wireless signal receiver with the main controller, the time module with the main controller and the control panel with the main controller when the personnel leave the refrigeration house.
In one embodiment, the control module further comprises a communication module electrically connected with the main controller and in communication connection with an external intelligent mobile terminal.
In one embodiment, the plasma concentration in the high intensity sterilization mode is between 1.5mg/m3-300mg/m3The concentration of the plasma in the conventional disinfection mode is less than 1.5mg/m3。
In one embodiment, the human body sensing device is an infrared sensor at the position of a signal receiving end corresponding to the inlet of the refrigeration house or a door lock sensor arranged at the inlet of the refrigeration house and used for detecting the opening and closing state of a door of the refrigeration house.
In one embodiment, the housing is internally provided with a mounting post for connecting two opposite side panels of the housing and a positioning plate for limiting the position of the mounting post, the positioning plate is provided with a plurality of limiting holes, the mounting post penetrates through one limiting hole and is in limiting fit with the positioning plate, and the low-temperature plasma module is detachably mounted on the mounting post.
In one embodiment, one side of the main surface of the shell corresponding to the low-temperature plasma module is communicated with the environment and forms an ion outlet, and the ion outlet is provided with a grid mesh.
The plasma disinfection device for the refrigeration house of the utility model integrates the disinfection module, the control module, the time module, the human body induction device and the like into the shell, the main controller can not only realize the disinfection of the refrigeration house according to the set value of the time module, the low-temperature plasma module is driven to work at a preset time point or time period to release plasma to kill microorganisms, pathogens and the like in the refrigeration house, the disinfection mode of the low-temperature plasma module can be adjusted according to the control instruction under the condition of receiving an external control instruction, the low-temperature plasma module can be automatically switched to a conventional disinfection mode when a person enters the refrigeration house, the plasma degassing unit for the freezer can adapt to the disinfection operation under multiple different control mode and the scene promptly, has improved the flexibility of freezer disinfection operation, when promoting freezer disinfection effect, has guaranteed the safety when personnel get into the freezer.
Drawings
FIG. 1 is a schematic structural view of a plasma disinfection device for a refrigerator in an embodiment of the present invention, which is matched with an air cooler;
fig. 2 is a schematic structural view of a plasma disinfection device for a refrigerator according to an embodiment of the present invention;
fig. 3 is a block diagram of the plasma sterilizer for a refrigerator according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms different from those described herein and similar modifications may be made by those skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not to be limited to the specific embodiments disclosed below.
Please combine fig. 1 to fig. 3, the utility model provides a can switch under multiple mode for the freezer plasma degassing unit 10, this for freezer plasma degassing unit 10 includes casing 100, disinfection module 200, control module 300, time module 400 and human induction system 500, wherein, casing 100 is used for accomodating above-mentioned module and device, be about to above-mentioned module and device encapsulation integration in an organic whole, with the whole volume that reduces the freezer for plasma degassing unit 10 of this embodiment, realize freezer degassing unit's miniaturization, integrate. The disinfection module 200 is accommodated in the inner cavity of the shell 100, and comprises a low-temperature plasma module 210 for exciting plasma when being powered on and a power supply 220 for providing electric energy for the low-temperature plasma module 210, the low-temperature plasma module 210 is fixedly connected with the inner wall of the shell 100, the power supply 220 is installed on one surface of the low-temperature plasma module 210, which is back to the air outlet direction of the air cooler, or is arranged on one side of the low-temperature plasma module 210, and the low-temperature plasma module 210 is used for providing disinfection factors capable of killing microorganisms, viruses and other substances on the surface of a product package to the inside of a refrigeration house, so that the problem of disease transmission caused by microorganism or virus pollution of the product outer package is avoided, and the safety of low-temperature storage or cold processing of the product is improved.
The control module 300 includes a main controller 310 accommodated in the inner cavity of the casing 100 and electrically connected to a driver of the external air cooler 20, and a wireless signal receiver 320 electrically connected to the main controller 310 and receiving an external wireless signal transmitting terminal signal, wherein the wireless signal receiver 320 transmits the signal to the main controller 310 when receiving an external signal, so that the main controller 310 performs centralized and unified regulation and control on each electric device, thereby improving the reliability of the sterilization operation of the refrigerator. The time module 400 is electrically connected with the main controller 310 and is used for sending a state change instruction to the main controller 310 at a preset time point or when a preset time period is reached, in other words, the time module 400 is used for limiting the sterilizing and killing time of the refrigeration house, so that the problem of resource waste caused by continuous work of the sterilizing module 200 is avoided while the sterilizing and killing effect of the sterilizing module 200 on products in the refrigeration house is ensured, and the sterilizing and killing cost of the refrigeration house is reduced. The human body sensing device 500 is used for detecting a signal of a person entering the refrigeration storage and transmitting the signal to the control module 300 in real time, so that the control module 300 can adjust the working mode of the sterilization module 200 to eliminate or weaken the influence of high-concentration plasma on human health.
When receiving an external command transmitted by the wireless signal receiver 320, the main controller 310 controls the terminal voltage of the low-temperature plasma module 210 to increase or decrease, so as to respectively drive the low-temperature plasma module 210 to enter a high-intensity sterilization mode for outputting high-concentration plasma or a normal sterilization mode for outputting low-concentration plasma; when receiving the action signal sent by the human body induction device 500, the main controller 310 controls the low-temperature plasma module 210 to enter a conventional disinfection mode and controls the driver of the external air cooler 20 to work; the main controller 310 is also used to receive a signal transmitted from the time module 400 and change the current sterilization mode of the low temperature plasma module 210. Specifically, when the main controller 310 is a PLC controller, if the main controller 310 receives a concentration increase instruction sent from the outside, a pin on the main controller 310 corresponding to the concentration increase instruction acts and outputs a high potential to the low-temperature plasma module 210 to control the voltage increase at two ends of the low-temperature plasma module 210, so that the ionization strength of the high voltage pole and the low voltage pole of the low-temperature plasma module 210 to the reaction gas is enhanced to generate a large amount of plasma. On the contrary, when the main controller 310 receives a concentration reduction command sent from the outside, a pin on the main controller 310 corresponding to the concentration reduction command acts and outputs a low potential to the low temperature plasma module 210 to control the voltage reduction at the two ends of the low temperature plasma module 210, so that the ionization strength of the high voltage pole and the low voltage pole of the low temperature plasma module 210 to the reaction gas is weakened to generate a small amount of plasma. In order to ensure the safety of the sterilization operation, in one embodiment, the concentration of the plasma in the high-intensity sterilization mode is between 1.5mg/m3-300mg/m3The concentration of the plasma in the normal disinfection mode is less than 1.5mg/m3Specifically, the conventional disinfection mode is the disinfection mode of the disinfection device when a person enters the refrigeration house, so that the plasma body caused by the opening and closing of the refrigeration house door can be avoidedThe concentration of the plasma may be adjusted by inputting an instruction to the main controller 310 by an operator according to the size of the space in the refrigerator, so as to adjust the potential of the low temperature plasma module 210 and control the ionization intensity of the reactive gas.
The time module 400 is connected to the main controller 310 and configured to send a state change instruction to the main controller 310 at a preset time point or when a preset time period is reached. Preferably, the time module 400 is a time relay electrically connected to the main controller 310. Specifically, in the initialization setting process of the sterilization apparatus, the manager may set the time point or the time period of the operation of the time relay by sending an instruction to the main controller 310, for example, the set time relay sends an operation signal to the main controller 310 at 9, 12, 15, and 18 points every day or sends an operation signal to the main controller 310 every 3 hours, and when receiving the operation signal sent by the time relay, the main controller 310 controls the low-temperature plasma module 210 to turn off, turn on, or adjust the power of the low-temperature plasma module 210 to enter different sterilization modes, thereby avoiding the resource waste problem caused by the fact that the number of bacteria and viruses on the product package is small but the low-temperature plasma module 210 continues to operate at a higher power or voltage, and reducing the sterilization cost of the refrigerator.
The bottom cartridge of casing 100 is in the position of the air outlet 201 that is close to air-cooler 20 on outside air-cooler 20, and the inner chamber of casing 100 communicates with air outlet 201 and the external environment of air-cooler 20 respectively, like this, in air-cooler 20 and degassing unit simultaneous working, the disinfection factor of release will flow in the freezer under the effect of the air current that air-cooler 20 blew off in the degassing unit course of operation, so that send the disinfection factor to each corner of freezer and with sufficient contact or effect such as the microorganism and the virus on product surface, with the disinfection effect of assurance freezer. Specifically, the top of the air outlet 201 of the air cooler 20 is provided with an access hole 202, a movable cover plate is arranged at the access hole 202, in the present embodiment, the outer contour of the bottom of the casing 100 is adapted to the inner contour of the access opening 202, and the power supply box 110 is disposed on the outer side of the casing 100, the power supply box 110 is used to receive the driving power supply of the sterilization device, and on the other hand, during the installation of the sterilization device, the movable cover plate of the air cooler 20 is removed, and the bottom of the casing 100 is inserted into the access opening 202 of the air cooler 20, so that the side plates of the power box 110 are abutted against the outer edge of the access opening 202, realize the spacing setting of casing 100 on air-cooler 20 promptly, so, need not to adopt devices such as bolt or buckle promptly to realize the installation of degassing unit on air-cooler 20 again, utilize the structure of current equipment, do not occupy the wall area in the freezer, reduced degassing unit's the installation degree of difficulty.
Referring to fig. 2 again, in an embodiment, the housing 100 is provided with a mounting post 120 connecting two opposite side panels of the housing 100 and a positioning plate 130 for defining the position of the mounting post 120, the positioning plate 130 is provided with a plurality of limiting holes 140, the mounting post 120 penetrates through one of the limiting holes 140 and is in limiting fit with the positioning plate 130, and the low temperature plasma module 210 is detachably mounted on the mounting post 120. Preferably, the number of the mounting columns 120 is two, two mounting columns 120 are symmetrically arranged on the positioning plate 130 and correspondingly penetrate through a limiting hole 140 respectively, the low-temperature plasma module 210 is fixed on the two mounting columns 120 through bolts, in addition, the inner wall of the casing 100 is also fixedly provided with a positioning frame 150, the positioning plate 130 is fixedly connected with the positioning frame 150, so that the positioning plate 130 is prevented from driving the mounting columns 120 and the low-temperature plasma module 210 to shake under the action of air flow blown out by the air cooler 20, and therefore the stability and the reliability of the installation of the low-temperature plasma module 210 are improved.
Further, in an embodiment, one side of the main surface of the housing 100 corresponding to the low-temperature plasma module 210 is communicated with the environment to form an ion outlet, and the ion outlet is provided with a grid mesh 160, so that the inner cavity of the housing 100 is separated from the environment by the grid mesh 160, thereby preventing small animals from entering the inner cavity of the housing 100 and biting the connecting wires of the electric devices in the housing 100, so as to reduce the failure rate of the disinfection device and ensure the effective use of the disinfection device.
The sterilization module 200 is used for exciting sterilization factors and killing bacteria and virosomes on the surface of a product package, in one embodiment, the low-temperature plasma module 210 comprises a plurality of ion sheets 211 arranged side by side, and when the low-temperature plasma module 210 is connected with the power supply 220 in the working process of the sterilization module 200, the power supply 220 loads voltage to two ends of the low-temperature plasma module 210, so that a high-voltage plate and a low-voltage plate of the low-temperature plasma module 210 respectively discharge, an electric field is formed between the high-voltage plate and the low-voltage plate, and reaction gas between the two plates is ionized, so that ionized gaseous substances composed of positive and negative ions are generated, the ionized gaseous substances have poor stability, the positive and negative ions are easily neutralized, electric current is generated and great energy is released, the electric current is easily introduced into viruses and bacteria, and the viruses and the bacteria are denatured and inactivated, thereby achieving the purpose of killing viruses and bacteria. In addition, in the use process of the refrigeration house, because the refrigeration house is not cleaned completely, part of food residues, such as methane, ammonia gas and other substances generated by the degeneration and decay of animal products tissues or blood water under the action of microorganisms, generate peculiar smell, and the energy released by the positive and negative ion electricity can promote the decomposition reaction of the molecules generating the peculiar smell to generate carbon dioxide and other small molecular substances, so that the peculiar smell in the refrigeration house is eliminated. It should be noted that the low-temperature plasma module 210 of the present embodiment may be any commercially available low-temperature plasma reactor, and the structure thereof is not limited to that shown in the drawings, and the low-temperature plasma reactor may have other shapes according to different processing technologies, which is not described herein again.
In an embodiment, the main controller 310 may be a PLC controller or a single chip microcomputer, the wireless signal receiver 320 may be an infrared signal receiver, the sterilization apparatus further includes a peripheral remote controller 600, and a wireless signal transmitter capable of transmitting and receiving signals with the wireless signal receiver 320 is provided in the remote controller 600, so that a manager of the refrigeration storage can send instructions to the main controller 310 by operating the remote controller 600, thereby reducing the operation difficulty of the sterilization apparatus. Further, in an embodiment, the control module 300 further includes a communication module 330 electrically connected to the main controller 310 and communicatively connected to the external smart mobile terminal, and the communication module 330 is connected to the external smart mobile terminal through a Z-wave or Zigbee communication protocol, so that software associated with the management of the disinfection device can be developed on the smart mobile terminal, so as to facilitate remote control of the disinfection device and improve flexible management of the disinfection operation of the refrigerator.
In an embodiment, plasma degassing unit 10 for the freezer still includes the external control panel 700 of being connected with main control unit 310 electricity, be equipped with on control panel 700 and be used for opening and close a plurality of hand control spare that plasma degassing unit 10 for the freezer and adjust disinfection module 200 disinfection mode, it is preferred, this control panel 700 installs the outer wall at the freezer, thus, managers need not to get into the freezer inside can adjust disinfection mode or disinfection intensity in the freezer, avoid personnel because of the health damage that causes in the mistake income high concentration plasma atmosphere, thereby promote the security of freezer disinfection operation. Further, the control panel 700 further comprises two indicator lamps for indicating the working state of the plasma disinfection device 10 for the refrigeration house, specifically, the number of the indicator lamps is two, one indicator lamp is electrically connected with the low-temperature plasma module 210, and the other indicator lamp is electrically connected with the human body induction device 500, so that a manager can know the working states of the low-temperature plasma module 210 and the human body induction device 500 according to the light and shade conditions of the indicator lamps, and judge whether a fault exists by combining the actual working condition of the disinfection device, so as to conveniently and timely check or respond to the fault, and thus, the effective management of the refrigeration house is facilitated.
In another embodiment, the control panel 700 further includes a display screen for displaying the operating parameters of the plasma sterilizer 10 for the refrigerator and inputting external control signals, and the housing 100 is further provided with a plasma concentration detector 800 electrically connected to the main controller 310 for detecting the plasma concentration in the refrigerator, so that a manager can grasp the operating conditions of the refrigerator in real time, such as the sterilization time, the current sterilization mode, the ion concentration and the like, by reading the operating parameters on the display screen, thereby realizing scientific management of the refrigerator. It should be noted that an ion concentration threshold is preset in the plasma concentration detector 800, and when the detected ion concentration exceeds the threshold, the plasma concentration detector 800 sends an alarm signal to the main controller 310, so that the main controller 310 adjusts the sterilization mode of the sterilization module 200, thereby reducing the plasma concentration in the cold storage.
The human body sensor 500 is accommodated in the inner cavity of the housing 100 and electrically connected to the main controller 310, and a signal receiving end of the human body sensor 500 faces an inlet of the refrigerator and transmits an operation signal to the main controller 310 when a person enters the refrigerator. Preferably, the human body sensor 500 is an infrared sensor at the entrance of the freezer corresponding to the signal receiving terminal or a door lock sensor at the entrance of the freezer for detecting the opening and closing state of the freezer door. Specifically, when the infrared inductor detects a moving thermal imaging pattern or the door lock sensor detects that the cold storage door is opened, the main controller 310 receives a signal sent by the infrared inductor or the door lock sensor and judges that a person enters the cold storage or is about to enter the cold storage, so that the main controller 310 controls the low-temperature plasma module 210 to enter a conventional disinfection mode, and meanwhile, the main controller 310 also controls a driver of the external air cooler 20 to work to drive the air cooler 20 to generate air flow and accelerate the air flow in the cold storage, so that partial plasma is discharged from the cold storage, and the damage of high-concentration plasma to human health is avoided. Certainly, in the actual management, an exhaust fan electrically connected with the main controller 310 can be arranged in the refrigeration house, so that when the human body sensing device 500 detects that a person enters the refrigeration house, the exhaust fan can be driven to work and extract air in the refrigeration house, the concentration of plasma in the refrigeration house is reduced, and the concentration of the plasma in the refrigeration house is controlled within a safety range acceptable to the human body.
In one embodiment, the plasma sterilizer 10 for a refrigerator further comprises a switching module 900 electrically connected to the main controller 310, wherein the switching module 900 may be a switching circuit comprising one or more relays for disconnecting the wireless signal receiver 320 from the main controller 310, disconnecting the time module 400 from the main controller 310, and disconnecting the control panel 700 from the main controller 310 when the main controller 310 receives a signal from the human body sensor 500; the switching module 900 is also used to connect the wireless signal receiver 320 and the main controller 310, the time module 400 and the main controller 310, and the control panel 700 and the main controller 310 when the person leaves the cold storage. Thus, when a person enters the refrigerator, even if the time period or the time point set by the time module 400 is reached, or when the person performs misoperation to send an instruction for increasing the plasma concentration to the main controller 310, the main controller 310 does not execute the instruction, that is, the safety of the person is ensured to be the first priority of the operation of the disinfection device of the embodiment, so as to improve the safety of the disinfection operation of the refrigerator.
The utility model discloses a plasma degassing unit 10 for freezer, with disinfection module 200, control module 300, time module 400 and human induction system 500 etc. integration in casing 100, main control unit 310 not only can be according to the setting value of time module 400, drive low temperature plasma module 210 work at predetermined time point or time quantum and kill microorganism and pathogen etc. in the freezer in order to release plasma, also can adjust the disinfection mode of low temperature plasma module 210 according to control command under the condition of receiving external control command, can also be when someone gets into the freezer with low temperature plasma module 210 automatic switch to conventional disinfection mode, namely plasma degassing unit 10 for freezer can adapt to the disinfection operation under the multiple different control mode and scene, the flexibility of freezer disinfection operation has been improved, when promoting freezer disinfection effect, the safety of personnel when having guaranteed the entering freezer.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A plasma disinfection device for a refrigeration house, characterized by comprising:
the bottom of the shell is inserted in a part, close to the air outlet of the air cooler, of the external air cooler, and the inner cavity of the shell is respectively communicated with the air outlet of the air cooler and the external environment;
the disinfection module is accommodated in the inner cavity of the shell and comprises a low-temperature plasma module and a power supply, wherein the low-temperature plasma module excites plasma when power is connected, the power supply provides electric energy for the low-temperature plasma module, the low-temperature plasma module is fixedly connected with the inner wall of the shell, and the power supply is arranged on one surface, back to the air outlet direction of the air cooler, of the low-temperature plasma module;
the control module comprises a main controller which is accommodated in the inner cavity of the shell and is electrically connected with a driver of an external air cooler, and a wireless signal receiver which is electrically connected with the main controller and is used for receiving an external wireless signal transmitting end signal;
the time module is electrically connected with the main controller and used for sending a state change instruction to the main controller at a preset time point or when a preset time period is reached;
the human body sensing device is accommodated in the inner cavity of the shell and is electrically connected with the main controller, and a signal receiving end of the human body sensing device faces to the inlet of the refrigeration house and sends an action signal to the main controller when a person enters the refrigeration house;
when the main controller receives an external instruction transmitted by the wireless signal receiver, the terminal voltage of the low-temperature plasma module is controlled to be increased or decreased so as to respectively drive the low-temperature plasma module to enter a high-intensity disinfection mode for outputting high-concentration plasma or a conventional disinfection mode for outputting low-concentration plasma; when receiving an action signal sent by the human body induction device, the main controller controls the low-temperature plasma module to enter a conventional disinfection mode and controls a driver of an external air cooler to work; the main controller is also used for receiving the signal sent by the time module and changing the current disinfection mode of the low-temperature plasma module.
2. The plasma disinfection device for the refrigerator according to claim 1, further comprising an external control panel electrically connected with the main controller, wherein the control panel is provided with a plurality of manual controls for starting and stopping the plasma disinfection device for the refrigerator and adjusting a disinfection mode of the disinfection module.
3. The plasma disinfection device for the refrigerator according to claim 2, wherein the control panel further comprises a display screen for displaying the operating parameters of the plasma disinfection device for the refrigerator and inputting an external control signal.
4. The plasma disinfection device for the refrigerator according to claim 3, wherein a plasma concentration detector electrically connected with the main controller and used for detecting the plasma concentration in the refrigerator is further arranged in the shell.
5. The plasma disinfection device for the refrigerator according to claim 4, further comprising a switching module electrically connected with the main controller, wherein the switching module is used for disconnecting the wireless signal receiver from the main controller, disconnecting the time module from the main controller and disconnecting the control panel from the main controller when the main controller receives a signal sent by the human body induction device; the switching module is also used for connecting the wireless signal receiver with the main controller, the time module with the main controller and the control panel with the main controller when the personnel leave the refrigeration house.
6. The plasma disinfection device for the refrigerator according to claim 5, wherein the control module further comprises a communication module electrically connected with the main controller and in communication connection with an external intelligent mobile terminal.
7. The plasma sterilizing apparatus for cold storage according to claim 6, wherein the plasma sterilizing apparatus for cold storage is characterized in thatThe concentration of the plasma in the high-intensity sterilization mode is between 1.5mg/m3-300mg/m3The concentration of the plasma in the conventional disinfection mode is less than 1.5mg/m3。
8. The plasma disinfection device for the refrigeration house according to claim 7, wherein the human body induction device is an infrared sensor with a signal receiving end corresponding to the inlet of the refrigeration house or a door lock sensor arranged at the inlet of the refrigeration house and used for detecting the opening and closing state of a door of the refrigeration house.
9. The plasma disinfection device for the refrigerator according to claim 8, wherein the housing is internally provided with mounting posts for connecting two opposite side panels of the housing and a positioning plate for limiting the positions of the mounting posts, the positioning plate is provided with a plurality of limiting holes, the mounting posts penetrate through one limiting hole and are in limiting fit with the positioning plate, and the low-temperature plasma module is detachably mounted on the mounting posts.
10. The plasma disinfection device for the refrigerator according to claim 9, wherein one side of the main surface of the housing corresponding to the low-temperature plasma module is communicated with the environment to form an ion outlet, and the ion outlet is provided with a grid mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120604252.0U CN216745108U (en) | 2021-03-24 | 2021-03-24 | Plasma degassing unit for freezer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120604252.0U CN216745108U (en) | 2021-03-24 | 2021-03-24 | Plasma degassing unit for freezer |
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| Publication Number | Publication Date |
|---|---|
| CN216745108U true CN216745108U (en) | 2022-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120604252.0U Active CN216745108U (en) | 2021-03-24 | 2021-03-24 | Plasma degassing unit for freezer |
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| CN (1) | CN216745108U (en) |
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2021
- 2021-03-24 CN CN202120604252.0U patent/CN216745108U/en active Active
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