CN113509570A

CN113509570A - Feeding bottle degassing unit based on low temperature plasma

Info

Publication number: CN113509570A
Application number: CN202110536583.XA
Authority: CN
Inventors: 张凯; 赵乾; 于淼; 赵武; 郭鑫; 陈领; 周峻羽; 聂志浩
Original assignee: Sichuan University
Current assignee: Sichuan University
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2021-10-19
Anticipated expiration: 2041-05-17
Also published as: CN113509570B

Abstract

The invention discloses a feeding bottle disinfection device based on low-temperature plasma, which comprises a base, a machine body arranged on the base and an end cover positioned at the top of the machine body, wherein the machine body is arranged on the base; the machine body comprises a shell arranged on the edge of the base, a first discharging assembly arranged in the shell and penetrating through the middle of the feeding bottle base, and a second discharging assembly distributed around the feeding bottle base along the circumferential direction of the base or/and the feeding bottle base, and the feeding bottle base is driven to rotate by the driving mechanism. The feeding bottle is placed on the first discharging assembly in the inverted mode, the first high-voltage discharger is controlled, high voltage generated by the first high-voltage discharger is electrically transmitted to the first discharging assembly and the second discharging assembly, and low-temperature plasmas are generated inside and outside the feeding bottle by the first discharging assembly and the second discharging assembly simultaneously, so that the feeding bottle can be disinfected without dead angles inside and outside the feeding bottle.

Description

Feeding bottle degassing unit based on low temperature plasma

Technical Field

The invention belongs to the technical field of disinfection, relates to a milk bottle disinfection device, and particularly relates to a milk bottle disinfection device based on low-temperature plasma.

Background

Along with the continuous improvement of the living standard of people, the requirement on sanitation is higher and higher. Especially for the products for infants, because the internal organs of the children are immature and the immunity is low, in order to ensure the health of the children, the requirements on the used appliances, especially the milk bottle, are more strict.

The application document with the application number of CN202020471682.5 discloses a small-sized milk bottle disinfection cabinet, which comprises a cabinet body and a cabinet door hinged on the cabinet body, wherein a disinfection cavity is formed in the cabinet body, a disinfection layer frame is arranged in the disinfection cavity, a plurality of ultraviolet disinfection lamps used for irradiating the disinfection cavity are arranged on the inner side surface of the cabinet door, a micro-motion structure for controlling the working states of the ultraviolet disinfection lamps is arranged on the connecting surface of the cabinet door and the cabinet body, and when the cabinet door is in an open state, the micro-motion structure cuts off the power supply of the ultraviolet disinfection lamps; when the cabinet door is in a closed state, the micro-motion structure is connected with the power supply of the ultraviolet disinfection lamp.

Application No. CN 201911022172.8's application document discloses an automatic change feeding bottle sterilizer, and it includes the barrel, and the outer surface front side of barrel is equipped with the connecting seat, and the side surface of connecting seat is equipped with the PLC controller, and the inner wall evenly distributed of barrel has ultraviolet germicidal device, and the inside bottom of barrel is equipped with heating device. The automatic feeding bottle sterilizer adopts the combination of hot steam and ultraviolet rays for sterilization, thereby obviously improving the sterilization and disinfection effects.

Therefore, the feeding bottle disinfection device which is the mainstream in the market at present is mainly based on the ultraviolet disinfection technology, but the ultraviolet disinfection has some defects, the safety of the device needs to be ensured, and the damage caused by ultraviolet radiation due to ultraviolet leakage is avoided. Meanwhile, ozone is generated after ultraviolet sterilization, and although ozone can sterilize, the ozone can cause irritation and damage to the respiratory tract of people.

In summary, the device for disinfecting the feeding bottle is developed, and has extremely important significance for meeting the growth and development requirements of infants.

Disclosure of Invention

The invention aims to provide a low-temperature plasma-based milk bottle disinfection device aiming at the problem of poor safety of the traditional milk bottle disinfection device, so that the milk bottle can be disinfected and sterilized in all directions, and potential harm is avoided.

In order to achieve the above object, the present invention is achieved by the following technical solutions.

The invention provides a feeding bottle disinfection device based on low-temperature plasma, which comprises a base, a machine body arranged on the base and an end cover positioned at the top of the machine body, wherein the machine body comprises a main body and a cover body;

the base is internally provided with a high-voltage discharge device group, a driving mechanism, a power supply and a control panel, wherein the power supply mainly supplies power for the high-voltage discharge device group, the driving mechanism and the control panel, and the control panel is used for controlling the high-voltage discharge device group and the driving mechanism to work; a base cover plate for isolating the base from the machine body is arranged above the base; the feeding bottle seat is used for fixing a feeding bottle; the feeding bottle seat is driven to rotate by a driving mechanism arranged in the base; the high-voltage discharger group comprises more than one first high-voltage discharger;

the machine body comprises a shell arranged on the edge of a base, a first discharging assembly arranged in the middle of a feeding bottle seat in the shell and second discharging assemblies distributed around the feeding bottle seat along the circumferential direction of the base or/and the periphery of the feeding bottle seat; the first discharge assembly and the second discharge assembly are both in a columnar structure; the first discharge assembly consists of a first discharge electrode and a first electrode cover sleeved outside the discharge electrode; the second discharge assembly consists of a second discharge electrode and a second electrode cover sleeved outside the discharge electrode; the lower ends of the first discharge electrode and the second discharge electrode extend into the base and are connected with the first high-voltage discharger; a plurality of through holes are uniformly distributed on the first electrode cover and the second electrode cover; and a plurality of electrode contacts protruding from the through holes are designed on the first discharge electrode and the second discharge electrode.

The low-temperature plasma has powerful functions of sterilization, purification and deodorization on air, and is a cross comprehensive technology integrating physics, chemistry, biology and environmental science. The low-temperature plasma technology has the obvious characteristics of having physical effect, chemical effect and biological effect on pollutants, and has the obvious advantages of low energy consumption, high efficiency, no secondary pollution and the like. According to the low-temperature plasma-based milk bottle disinfection device, a milk bottle is reversely buckled on a milk bottle seat arranged in a machine body, a first high-voltage discharger is started, low-temperature plasma is generated inside and outside the milk bottle through a first discharging assembly and a second discharging assembly, and meanwhile, the milk bottle seat is driven to rotate through a driving mechanism, so that the disinfection of no dead angle inside and outside the milk bottle is realized.

Above-mentioned feeding bottle degassing unit based on low temperature plasma, for the convenience is disinfected to the milk bottle lid, further be provided with the accessory supporter in the organism, it includes puts the thing baffle and with put the supporting support of thing baffle, it is fixed through the support that is fixed in the organism middle part to put the thing baffle, and puts the top that the thing baffle is located first subassembly and the second subassembly that discharges. The bracket is composed of a support rod penetrating through the base cover plate and a plurality of spray arms fixed at the end parts of the support rod, the support rod and the spray arms are of tubular structures communicated with each other, and a plurality of through holes are formed in each spray arm; third discharge electrodes are arranged in the spray arms, and the third discharge electrodes in the spray arms are connected with a second high-voltage discharger in the base through cables arranged in the supporting rods; and a plurality of electrode contacts protruding along the through holes on the spray arm are designed on the third discharge electrode.

In the milk bottle disinfection device based on low-temperature plasma, in order to further improve the disinfection effect on the milk bottle, the height of the first electrode cover in the first discharge assembly is smaller than that of the milk bottle; the height of a second electrode cover in the second discharge assembly is greater than that of the feeding bottle; on the one hand, the feeding bottle can be well fixed, collision is avoided, and on the other hand, all-round disinfection of the feeding bottle can be guaranteed.

The feeding bottle disinfection device based on the low-temperature plasma is characterized in that a driving mechanism for driving the feeding bottle seat to rotate is driven by a chain and comprises a first large gear, a small gear, a chain and a motor assembly, wherein the first large gear, the small gear, the chain and the motor assembly are matched with the feeding bottle seat in number; the large gear is arranged at the bottom of the feeding bottle seat, and the chain is sleeved on the first large gear and the small gear; the motor assembly comprises a driving motor fixed on the base partition plate and a speed reducer connected with an output shaft of the motor, and the output shaft of the speed reducer is inserted into a pinion shaft hole. The driving motor drives the pinion to rotate, the pinion drives the chain to rotate, and the chain drives the first big gear to rotate, so that the plurality of feeding bottle seats are driven to rotate simultaneously. When the body of the milk bottle disinfection device is internally provided with the accessory storage rack, the driving mechanism further comprises second large gears which are meshed with the first large gears, and the second large gears are connected with the supporting rods which penetrate through the base cover plate; the first big gear drives the second big gear to rotate, and then drives the accessory storage rack to rotate. In one implementation mode, the connection between the second gearwheel and the supporting rod can be controlled by the attraction of an annular magnet arranged in the middle of the second gearwheel and an electromagnet arranged on the lower part of the supporting rod of the accessory shelf.

Above-mentioned feeding bottle degassing unit based on low temperature plasma, electro-magnet, the control panel on high-pressure discharge ware group, the driving motor bracing piece all are connected with the power, are supplied power for it by the power. The control panel is connected with the power signal end, and the control panel is further connected with the high-voltage discharger group, the driving motor and the electromagnet on the supporting rod and used for controlling the starting and stopping of the high-voltage discharger and the driving motor. The base lateral surface further is provided with operating panel, and operating panel is last to be provided with a plurality of control button of being connected with the control panel. The control button is used for controlling the starting and stopping of the driving motor and the power supply and regulating and controlling the rotating speed of the motor, the strength of high voltage output by the high-voltage discharger and the like.

Compared with the prior art, the feeding bottle disinfection device based on low-temperature plasma provided by the invention has the following outstanding advantages and beneficial technical effects:

1. the feeding bottle disinfection device provided by the invention is characterized in that a plurality of first discharge assemblies positioned on a feeding bottle seat and a plurality of second discharge assemblies positioned outside the feeding bottle seat are arranged in a machine body, a feeding bottle is placed on the first discharge assemblies upside down, the first high-voltage discharger is controlled to transmit high voltage generated by the first high-voltage discharger to the first discharge assemblies and the second discharge assemblies, and low-temperature plasmas are generated inside and outside the feeding bottle by the first discharge assemblies and the second discharge assemblies simultaneously, so that no dead angle for disinfection inside and outside the feeding bottle is realized.

2. In the process of sterilizing the feeding bottle by using the low-temperature plasma, the feeding bottle seat is driven to rotate by the driving mechanism arranged in the base, so that the feeding bottle is sterilized in all directions, and the sterilizing effect is further improved.

3. The invention further installs the accessory shelf in the body of the milk bottle disinfection device, and disinfects the nipple, the toy and the like placed on the accessory shelf through the arranged spray arm internally provided with the third discharge electrode, thereby having wide application prospect in the field of infant article disinfection.

4. The invention utilizes low-temperature plasma for disinfection, has no secondary pollution through research, does not harm human bodies, particularly infants, and is safe and reliable.

Drawings

Fig. 1 is a perspective view of a milk bottle sterilizing apparatus based on low-temperature plasma.

Fig. 2 is a perspective view of an opened state of the baby bottle sterilizing apparatus based on low-temperature plasma.

FIG. 3 is a perspective view of the baby bottle sterilizing device with the housing and the cap removed.

Fig. 4 is a perspective view of fig. 3 with a portion of the base removed.

Fig. 5 is an exploded view of the base and drive mechanism.

FIG. 6 is a schematic circuit diagram of a milk bottle disinfecting device based on low-temperature plasma.

In the figure, 1-base, 101-base cover plate, 102-milk bottle seat, 103-base partition plate, 2-machine body, 201-shell, 3-end cover, 4-operation panel, 5-first discharge component, 501-first discharge electrode, 502-first electrode cover, 6-second discharge component, 601-second discharge electrode, 602-second electrode cover, 7-accessory shelf, 701-object partition plate, 702-support rod, 703-spray arm, 503, 603, 704-electrode contact, 8-driving mechanism, 801-first big gear, 802-second big gear, 803-small gear, 804-driving motor, 805-speed reducer, 806-chain, 9-high-voltage discharge machine group, 901-first high-voltage discharge device, 902-second high voltage discharger, 10-power supply, 11-feeding bottle, 12-nipple, 13-control board.

Detailed Description

The embodiments of the present invention will be given below with reference to the accompanying drawings, and the technical solutions of the present invention will be further clearly and completely described by the embodiments. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the disclosure of the invention without any inventive step, are within the scope of the invention.

Examples

The low-temperature plasma-based milk bottle disinfection device of the present embodiment, as shown in fig. 1 to 5, includes a base 1, a body 2 disposed on the base, and an arc-shaped end cap 3 located at the top of the body, wherein an operation panel 4 is disposed on the side of the base. The operation panel 4 is provided with 6 buttons. The base 1 is internally provided with a high-voltage discharge set, a driving mechanism, a power supply and a control panel 13. The power supply respectively supplies power for the high-voltage discharge device group, the driving mechanism and the control panel, and the control panel is connected with 6 buttons on the operation panel. The base 1 and the machine body are connected with each other and provided with a base cover plate 101 for separating the base from the machine body, and a base clapboard 103 is arranged in the middle of the base. Four feeding bottle holders 102 for fixing the feeding bottle 11 are installed on the base cover plate. The base partition 103 is provided with a driving mechanism, a power supply 10 and a control panel 13, and the driving mechanism 8 drives the milk bottle seat 102 to rotate. The high-voltage discharger group 9 is installed at the bottom of the pedestal, and comprises four first high-voltage dischargers 901 uniformly arranged along the circumferential direction of the pedestal and a second high-voltage discharger 902 located in the middle of the bottom.

As shown in fig. 2 to 4, the body 2 includes a housing 201 mounted on an edge of the base, and a first discharge assembly 5 and a second discharge assembly 6 disposed in the housing. The shell is of a cylindrical structure, the lower end face of the shell is matched with the edge of the base, and the upper end face of the shell is matched with the lower end face of the end cover 3. The first discharge assembly 5 and the second discharge assembly 6 are both in a columnar structure; the first discharge element 5 includes a first discharge electrode 501 and a first electrode cover 502 covering the first discharge electrode. The second discharge element 6 includes a second discharge electrode 601 and a second electrode cover 602 covering the second discharge electrode. The first discharging assemblies 5 are arranged in the middle of the feeding bottle base 102, the number of the second discharging assemblies is 8, the second discharging assemblies are uniformly distributed along the circumferential direction of the base and are arranged on the base cover plate 102; of course, in order to sterilize the feeding bottle better from all directions, a second discharging assembly can be further arranged on the inner side surrounded by the four feeding bottle seats, so that the second discharging assembly is distributed around the feeding bottle seats. The first discharge electrode 501 and the second discharge electrode 601 penetrate from the base cover plate 102 into the base 1, and each first discharge electrode and two adjacent second discharge electrodes are connected to one first high voltage discharger 901. A plurality of through holes are uniformly distributed on the first electrode cover 502 and the second electrode cover 602; the through holes of the second electrode cover 602 are all towards the axial direction of the base (namely towards the milk bottle in the machine body). The first discharge electrode and the second discharge electrode are provided with a plurality of electrode contacts (503, 603) protruding along the through holes on the electrode cover.

In this embodiment, the height of the first electrode cap 502 of the first discharge assembly is less than the height of the feeding bottle; the height of the second electrode housing 602 of the second discharge assembly is greater than the height of the feeding bottle.

As shown in fig. 3 and 4, a component storage rack 7 is further provided in the body. This accessory supporter 7 is including putting thing baffle 701 and with putting the supporting support of thing baffle. Put thing baffle 701 and be fixed in organism 2 middle part through the support, and put the top that the thing baffle is located first subassembly 5 and the second subassembly 6 that discharges. The support consists of a support rod 702 and four uniformly distributed spray arms 703 fixed at the end of the support rod, wherein the support rod penetrates through a through hole at the central position of the base cover plate and extends to the lower part of the base cover plate, and the support rod is in clearance fit with the through hole at the central position of the base cover plate. The support rod 702 and the spray arm 703 are tubular structures which are communicated with each other, and a plurality of through holes facing the storage partition plate 701 are formed in the spray arm 703. And third discharge electrodes are arranged in the spray arms, and the third discharge electrodes in the spray arms are connected with a second high-voltage discharger in the base through cables arranged in the supporting rods. The third discharge electrode is provided with a plurality of electrode contacts 704 protruding along the through holes of the spray arm.

As shown in fig. 4 and 5, the drive mechanism is mounted on a base partition plate 103 in the base 1. The driving mechanism 8 for driving the feeding bottle seat to rotate is driven by a chain 806. The driving mechanism comprises a first large gear 801, a second large gear 802, a small gear 803, a chain 806 and a motor assembly which are matched with the number of the feeding bottle holders. The first gearwheel 801 is mounted at the bottom of the baby bottle mount. The second gearwheel is meshed with each first gearwheel; the middle position of the second big gear is provided with an annular magnet, and the lower part of the support rod of the accessory shelf is sleeved with an electromagnet corresponding to the annular magnet. The chain 806 is sleeved on the large gear 801 and the small gear 803. The motor assembly comprises a driving motor 804 and a speed reducer 805 connected with an output shaft of the motor. The output shaft of the speed reducer 805 is inserted into the shaft hole of the pinion 803. The driving motor 804 drives the pinion 803 to rotate through the reducer 805, the pinion 803 drives the chain 806 to rotate, the chain 806 drives the first gearwheel 801 to rotate, and then the milk bottle seats are driven to rotate at the same time, the first gearwheel drives the second gearwheel to rotate at the same time, and then the accessory storage rack is driven and the spraying arm is driven to rotate.

The first high-voltage discharger 901, the second high-voltage discharger 902, the driving motor 804 and the electromagnets on the supporting rods are all connected with the control board 13. The operating panel installed on the base comprises 6 buttons, and each button is respectively connected with the control panel 13 and is respectively used for controlling the on and off of the high-voltage discharge set, the timing function, the operation of the driving motor and the on and off of the electromagnet. The power supply signal end is connected with the control panel 13, and the power supply is provided with a plurality of output ends which are respectively connected with the first high-voltage discharger, the second high-voltage discharger, the driving motor, the electromagnet and the control panel to supply power for all parts.

The functional block diagram of the whole device is shown in fig. 6, in the device, the input of a power supply is mainly carried out by means of 220V alternating current, then the voltage is converted into high voltage by a first high-voltage discharger and a second high-voltage discharger of a high-voltage discharger group, low-temperature plasma discharge is carried out by a first discharge electrode, a second discharge electrode and a third discharge electrode, and low-temperature plasma jet is emitted. The automatic detection circuit mainly protects the power supply and prevents overload or short circuit. The control panel mainly operates a power supply, a high-voltage discharge set, a driving motor, an electromagnet, a timing module and the like according to signals received from 6 buttons on the operation panel. The first two buttons on the operation panel mainly control the on and off of the power supply; the middle two buttons mainly realize a timing function and control over the driving motor, the timing function is realized by a timing module, in order to further control the rotating speed of the driving motor, a frequency converter can be arranged between the control panel and the driving motor, and the gear of the frequency converter is controlled by pressing the staying time of the buttons, so that the operating frequency of the driving motor is changed (namely the rotating speed of the motor is changed). The last two buttons are mainly used for controlling the rotation of the accessory storage rack (one of the buttons is an opening switch, the other button is a closing switch), the rotation is mainly realized by controlling the adsorption of an electromagnet arranged at the lower part of a supporting rod on a second big gear, when the opening switch is pressed down, the electromagnet generates electromagnetic force under the action of current and can magnetize a magnet on the second big gear, so that the second big gear is adsorbed, a driving motor drives a small gear, a chain and a first big gear to rotate, and then the first big gear drives the second big gear to rotate, so that the rotation of the spray arm is realized; similarly, when the closing button is pressed down, the electromagnetic force of the electromagnet disappears, the magnetizing of the magnet on the second gearwheel is finished, the supporting rod is separated from the second gearwheel, and then the accessory shelf stops rotating.

The method of using the above-described milk bottle sterilizing apparatus based on low-temperature plasma is explained taking the sterilization of one milk bottle as an example: the feeding bottle is reversely buckled on a feeding bottle seat in the machine body, then the storage partition plate is placed on the spraying arm, and then the nipple is placed; and covering the end cover. The feeding bottle seat and the accessory storage rack are driven to rotate through the operation panel, the high-voltage discharge unit is started, and low-temperature plasma is generated through the strong electric fields generated by the first discharge electrode and the second discharge electrode, so that dead angles inside and outside the feeding bottle can be sterilized at the same time; and generating low-temperature plasma by a strong electric field generated by the third discharge electrode, and disinfecting the nipple on the object clapboard. After the disinfection is finished, the high-voltage discharge device group, the driving motor and the electromagnet are closed, after the power is cut off, the end cover can be opened, and the disinfected feeding bottle and the disinfected nipple can be taken out.

It will be appreciated by those of ordinary skill in the art that the embodiments described herein are intended to assist the reader in understanding the principles of the invention and are to be construed as being without limitation to such specifically recited embodiments and examples. Those skilled in the art can make various other specific changes and combinations based on the teachings of the present invention without departing from the spirit of the invention, and these changes and combinations are within the scope of the invention.

Claims

1. A feeding bottle disinfection device based on low-temperature plasma is characterized by comprising a base (1), a machine body (2) arranged on the base and an end cover (3) positioned at the top of the machine body;

the high-voltage discharge device is characterized in that a high-voltage discharge device group (9), a driving mechanism (8), a power supply (10) and a control panel (13) are arranged in the base (1), the power supply mainly supplies power for the high-voltage discharge device group, the driving mechanism and the control panel, and the control panel is used for controlling the high-voltage discharge device group and the driving mechanism to work; a base cover plate (101) for separating the base from the machine body is arranged above the base (1); a plurality of feeding bottle seats (102) for fixing feeding bottles are arranged on the base cover plate (101); the feeding bottle seat is driven to rotate by a driving mechanism (8) arranged in the base; the high-voltage discharger group (9) comprises more than one first high-voltage discharger (901);

the machine body (2) comprises a shell (201) arranged on the edge of a base, a first discharging assembly (5) arranged in the middle of a feeding bottle seat in the shell, and second discharging assemblies (6) distributed around the feeding bottle seat along the circumferential direction of the base or/and the periphery of the feeding bottle seat; the first discharge assembly (5) and the second discharge assembly (6) are both in a columnar structure; the first discharge assembly (5) consists of a first discharge electrode (501) and a first electrode cover (502) sleeved outside the discharge electrode; the second discharge assembly (6) consists of a second discharge electrode (601) and a second electrode cover (602) sleeved outside the discharge electrode; the lower ends of the first discharge electrode and the second discharge electrode extend into the base and are connected with a first high-voltage discharger (901); a plurality of through holes are uniformly distributed on the first electrode cover and the second electrode cover; and a plurality of electrode contacts (503, 603) protruding along the through holes on the electrode cover are designed on the first discharge electrode and the second discharge electrode.

2. The feeding bottle disinfection device based on low-temperature plasma as claimed in claim 1, wherein an accessory shelf (7) is further arranged in the machine body, and comprises a storage partition plate (701) and a support matched with the storage partition plate, the storage partition plate is fixed in the middle of the machine body through the support, and the storage partition plate is located above the first discharge assembly and the second discharge assembly.

3. The feeding bottle disinfection device based on low-temperature plasma as claimed in claim 2, wherein the support frame is composed of a support rod (702) and a plurality of spray arms (703) fixed at the end of the support rod, the support rod and the spray arms are of communicated tubular structures, and each spray arm is provided with a plurality of through holes; third discharge electrodes are arranged in the spray arms, and the third discharge electrodes in the spray arms are connected with a second high-voltage discharger (902) in the base through cables arranged in the supporting rods; and a plurality of electrode contacts (704) protruding along the through holes on the spray arm are designed on the third discharge electrode.

4. The low-temperature plasma-based baby bottle sterilizing apparatus according to claim 1, wherein the height of the first electrode cap in the first discharging assembly is smaller than the height of the baby bottle; the height of the second electrode cover in the second discharge assembly is larger than that of the feeding bottle.

5. A low-temperature plasma based milk bottle disinfection device as claimed in any of the claims 1 to 4, characterized in that the driving mechanism (8) for driving the milk bottle base to rotate is driven by a chain, which comprises a first large gear (801), a small gear (803), a chain (806) and a motor assembly matched with the number of the milk bottle bases; the first gearwheel (801) is arranged at the bottom of the feeding bottle seat, and the chain (806) is sleeved on the first gearwheel (801) and the pinion (803); the motor assembly comprises a driving motor (804) and a speed reducer (805) connected with an output shaft of the motor, and the output shaft of the speed reducer is inserted into a pinion shaft hole.

6. A low temperature plasma based milk bottle sterilising apparatus according to claim 5, wherein the drive mechanism further comprises a second gearwheel (802) engaging each first gearwheel, the second gearwheel (802) being connected to a support bar (702) passing through the base cover plate; the first big gear drives the second big gear to rotate, and then drives the accessory storage rack to rotate.

7. The low-temperature plasma-based milk bottle sterilizing device as claimed in claim 6, wherein the connection of the second gear wheel with the support rod is controlled by the attraction of a ring-shaped magnet installed in the middle of the second gear wheel (802) and an electromagnet installed at the lower part of the support rod of the accessory rack.

8. The low-temperature plasma based milk bottle sterilizing device as claimed in claim 1, wherein the outer side of the base is further provided with an operating panel (4) on which a plurality of control buttons connected to the control board are provided.